What Factors Need to Be Considered for Design Lithium Battery Solar Street Light?

There are six factors need to considered for design lithium battery solar street light.The first factors is lighting area selection for lithium battery solar street light.Choosing an illuminated area is sometimes as simple as understanding where the project is best suited.

Residential and commercial areas have different lighting areas. Contact your local Building Permits Regulatory Office to help determine which lighting area is best for your project.Secondly,population density is on of the factor for lithium battery solar street light design.

Different population densities are suitable for different lighting areas. Knowing the density of the areas that need to be illuminated will help determine which lighting area is best for the project.Thirdly,the factors is community priorities.

Some communities are looking for better and more comfortable lighting conditions,so will have specially requirement for the lithium battery solar street light. Some of these include reducing light pollution, supporting or maintaining the safety of pedestrians and the public, improving the quality of life in the community, or reducing the impact on local wildlife, community may wish to do through new lithium battery solar street light projects. Different lighting areas mean different applications, and understanding this will help determine which lighting area the application is suitable for.

Fourthly,it is population factor.

Due to the needs of the population, some areas require different lithium battery solar street light. For example, the advanced center area requires additional lighting to increase visibility, but still needs to reduce glare. Residential areas require lower lithium battery solar street light requirements, so sleep patterns are not disturbed.

Understanding population needs can help determine if adjustments to the lighting area are appropriate.Finally,the factors for lithium battery solar street light design is neighborhood.Adjacent areas need to be compatible with each other.

Too drastic changes can lead to problems such as reduced visibility, especially in border areas. Understanding these differences and exceptions in the lighting area will help you better choose which lighting areas your lithium battery solar street light project may belong to. This can greatly affect the needs of the project and help determine which projects are best for each project.

·RELATED QUESTION

What is proffesional led stage lighting?

When you're putting on an occasion, whether it is an unassuming school play or a party, stage lighting rental is an unquestionable requirement. Lighting is a main thrust of your production, giving brightening, center, detail and modifying the view of the group of audience. There is nothing that so vitally passes on an inclination superior to a decent lighting system, and with boundless inventive potential, will serve as an immense advantage for your creation.

Focus, position and hanging:

Conventional stage lighting must be set up because of these three contemplations. Focus refers to where the light will point; position alludes to where the light will start from; hanging refers to the real demonstration of hanging the light. Shading, force and example (assuming any) should be considered next.

Types of stage lighting :

Ellipsoidal - these lights are the conventional stage lights and thought to be the most critical. They are centering lights, the appearance in front of an audience of which can be adjusted by screens and channels.

Fresnel - these lights are utilized for shading washes on the stage.

Standard Jars - these lights are the sort you will see in even the dingiest of bars. Continuously a strong choice, standard jars can get hammered, are sturdy and simple to transport.

Follow spots - these are spotlights used to pursue somebody around a phase.

Obviously, there are increasingly choices accessible for stage lighting with the consistent progress of innovation. Presently you have the fundamentals; here are a couple of more alternatives:

LEDs - these Professional LED Stage Lighting

are useful for centered pillars and have been gradually supplanting conventional globules in stage lighting.

Dizzies - these lights are round circles with a few Drove lights (more often than not of varying hues) covering the surface. The circle pivots in an assortment of bearings and examples, making a whirling, confounding example, consequently the name.

Gels - this term alludes to the hues given to lights. They function as shading channels, and should work in congruity with the shade of the light itself to accomplish the craved impact.

Once you have got your types of lighting down, you'll have to consider where to place them. Here's an essential summary of lighting positions:

Front - This is utilized for the most part for perceivability and shading impacts. Side - can be utilized to awesome impact to complement activity.

Back - Additionally utilized for impact. This kind of lighting can make the dream of profundity on a phase, or notwithstanding to silhouette a man totally.

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Best Quality 60W Solar Street Light in Pakistan
Rated 5.00 out of 5 based on 3 customer ratings Rated 5.00 out of 5 based on 3 customer ratings With growing concerns on electricity shortages and keeping in view high fares, Ultronics has introduced Solar Street Lights with 60 Watts power. This solar street light is a complete solution for people choosing to move on alternate energy solutions. This solar light is built with high quality ABS Material that stands tall under tough conditions. An ideal selection for housing societies, parks, factories, mines and open warehouses this light is IP65 certified which means it is completely water proof. Back up Time: 6-8 hours (on full mode) when charged under bright sunlight1. how can i made a circuit for solar street light?You could be using leds or a compact fluoro for this. These will be for use with a 12V battery. It may be you want to reconsider using 40W, as less power is much more feasible. About 10W of CFL or LED supply will be the same as a 40W incandescant lamp, and last much longer. If using leds you will need an efficient switch mode current regulated source to drive them. You can expect similar efficiency to a compact fluorescent lamp. The leds will need heatsinks. The size of the battery and the panel are critical parts of the design. The power supply would be a 12V battery. The light runs at night only. WIth some care the solar panel itself can be used as a sensor to switch on the lights by measuring the battery voltage. When under charge it will be around 13.85V, using a float charger. The current is inherently limited by the panel. A simple but effective charger is to connect the solar panel by a switch (P channel mosfet as a high side switch or relay) when the voltage is below 13 volts and disconnect it when the voltage approaches 14V (lead acid battery). Use a reverse blocking diode with the panel. Note that gel type batteries are not very suitable for operation in sunlight in the tropics at least. When the battery is below 12.6V consider it as night time. Otherwise use a separate sensor for sunlight. Thus you have three voltage comparators for these 3 voltages. These can be a schmidt trigger with the correct hysteresis. You need a reference supply. A small 5V regulator is simple. This uses a solar panel designed for charging a 12V battery, meaning it has 36 cells. The OC voltage at standard conditions is 22V. Look up data sheets specs for panels. If the lamp runs 12h per day, and the power is 10W, then it uses 120Wh per day. With a 12V system this is 10Ah. The battery needs to be at least 10Ah, especially considering overcast days, and the need to not discharge it below 50% of capacity. This looks like a 40Ah battery therefore. The maximum charge rate should not exceed 4A (10h rate). The solar panels must provide 10Ah per day too, but... The battery takes 140% of its discharge to recharge, so now 14Ah per day. Allow extra to catch up after a period of overcast weather, at least 20Ah per day. The rated current occurs with full sun. There is an equivalent of full sun hours for your region, likely 2-5h a day. In the tropics 5h per day. Thus we need 20Ah in 5 hours, so a current of 4A. This agrees nicely with a 40Ah battery. So for a 10W lamp operating 12h a day in the tropics we need something like a 40Ah battery, and a 4 amp x 36 cell panel. This will be rated around 15V * 4A = 60W. A bigger panel is ok within reason, but should have a bigger battery so it does not charge too quickly. A bigger battery may be needed to increase the lifetime, and allow a reasonable number of days without sun if overcast weather lasts more than a day or too. The electronics should all be designed for outdoor use, vermin proof, including rats to ants, weather-proof and able to operate at 60C ambient temperature. The link below has an example of a P channel mosfet high side switch driven by a voltage comparator. Use a 10A or more rated switch and the comparator needs a reference so it turns on at 14V and off at 13V.2. All in One Solar Street Light Manufacturer with Best Price in IndiaAll In One Solar Street Lights All In One solar street light is a new-age form of lighting solution integrating solar panels, charge controller, LED light and battery. These lights are available in two varieties, with infrared motion sensors and without, as part of the unit. All In One solar street lights are becoming popular due to their compact design and multiple other advantages. Motion sensors help to adjust the LED brightness intelligently in All In One street lights. Infrared (IR) and passive infrared (PIR) motion sensors are used for motion sensed detection of emitted/reflected infrared energy. The All In One solar street lights with motion sensor switch on in the evening and after a time delay of 30 seconds, the lights automatically reduce their brightness to 20%. Motion sensor is capable of detecting infrared waves that radiate from moving objects, thereby electronically increasing the brightness of the lights. Once motion is detected, there is 100% brightness and if there is no motion detected in the area after the time delay, the light gets automatically adjusted to a dim mode of 20%. The biggest advantage of solar street lights with motion sensors is that they add a sense of security and safety to your property while providing better battery life. Features of All In One Solar Street Lights Controllers used in All In One solar street lights PWM or MPPT charge controllers are used in All In One solar street lights. PWM controller acts as a switch between the battery and solar panel. The battery is charged with constant 3-stage charging, i.e., bulk, float and absorb. Pulse width modulation or PWM is the technique to modulate the pulse width to change the voltage and frequency of energy from solar panel to charge the battery. One of the greatest pros of PWM controllers is that it helps to prevent overcharging while charging the battery. As for the cost, PWM controllers are less expensive compared to MPPT controllers. MPPT (maximum power point) controller offers an indirect connection between the battery and the solar panel. The DC/DC converter takes extra photovoltaic voltage and transforms this into additional current at lower voltage. MPPT controllers adjust the voltage to maintain the most efficient level of power. In cooler conditions, MPPT controllers are observed to be more effective than PWM controllers due to their ability to capture extra PV voltage. Solar panels used in All In One solar street lights Though both monocrystalline and polycrystalline solar panels are used in solar street lights, polycrystalline solar panels are most commonly used in All In One solar street lights due to their cost effectiveness. Since most of the All In One solar street lights use motion sensors, they do not require solar panels with more wattage. Batteries used in All In One solar street lights Lithium ion phosphate (LiFePO4) batteries are widely used in All In One solar street lights due to their multiple advantages. LiFePO4 batteries offer upper and lower voltage protection and longer lifespan. These batteries can operate in different temperature range and are maintenance free. LiFePo4 batteries are the perfect choice for All In One solar street lights due to their relatively small and light feature. Lithium-ion as well as lead acid batteries are also used in some All In One solar street lights. Light source used in All In One solar street light LED light source is used in as it consumes less energy and gives higher luminosity. Installation of All In One solar street lights Compared to integrated solar street lights, the installation of All In One solar street lights can be carried out easily. The All In One solar street light can be effortlessly mounted due to its compact size and also due to the fact that there are no wires or cables to connect. They can be installed either on a pole or on a wall. The pole should be fixed to a flat ground without inclination. The light fixture should be installed to the pole before erecting the pole. The pole should go at least 3 feet deep inside the ground. The basic cage must be secured to the ground using concrete. It is essential to place the poles at even widths to provide uniform brightness to the entire area. The poles must be placed in the right position and angle so that the panels get sufficient direct sunlight throughout the day. Since All In One solar street lights have dusk to dawn feature, they need very minimal maintenance once installed. Rain water washes away most of the dust and dirt off the solar panels; however, routine cleaning of the panels helps the efficiency of All In One solar street lights. The solar panels can be cleaned by wiping them with a soft cloth or spraying water with a jet spray. Occasionally, you may inspect the installation bracket and the mounting arm to look for any damage. The All In One solar street lights are automatic in its function. They are operated with infrared motion sensor which helps to detect movement in its field and illuminate the lights, thereby ensuring security. Also, the controller can be set to operate in a timer-based manner where in the lights operate in full brightness for the first four hours and then later, in lower light for rest of the time. With the motion sensor and dimming options, the All In One solar street lights tend to save energy, thereby guaranteeing longer life to the lighting fixture. No cable work or electric equipment is needed, so the installation/construction cost is lesser. No need of manual intervention after installation, so the management cost is lesser. The lights are powered solely by using solar energy and no conventional energy is used, so the operation cost is lesser. Installation is easier and faster and maintenance is very minimal. Compared to integrated solar street lights, All In One street lights are less expensive. Since All In One solar street light requires direct sunlight to give its full potential at night, it may not be able to meet requirement of the areas with insufficient sunlight. Since having shadows may obstruct the sunlight to fall onto the solar panels to charge them efficiently, installation sites may be limited. Initial investment to purchase All In One solar street light is high compared to traditional lighting system. However, the benefit of advantages is far beyond the shortcomings of disadvantages. With the technological advancement, All In One solar street lights will be more and more used in the coming future.3. Recycling light from solar street lights.?No,the theroy for solar street light work in night is get the electrcity from the battery,the power in batter can last 1-2 days
120w Solar Street Light 20watt Led Solar Street Light. Features
truelite solar carport light is adapted from our most successful 4g led street light built on the same platform is an answer to a vast solar lighting applications in urban and rural living. truelite solar carport has inbuilt lithium battery and charge controller integrated with high power led source makes the light a unique weather proof lighting fixture with the advantage of solar.about solar energy?My guess is that you will find everything that have to do with solar power at www.leafysolarwho.infoGuys Stop Global Warming!?Make a mandatory shut down of power across the Globe at night. Enforce solar power on every house and building to be able to power an individuals residents and business. Could you imagine being able to see the stars in the sky without light pollution. If a business runs off of more power than what the solar can provide then they can buy power that will go to producing more natural ways of producing power. Emergency services would be able to stay on the grid at all times. Build mag Lev bullet train rails between major cities around the globe. Increase electric public transportation that is charged by solar. We have a long way to go and a short time to get there.10 Best Solar Inverter Brands For Your Solar PanelsSolar panel inverters are categorized as grid-tied inverters and off-grid inverters. Grid-tied inverters work by taking Direct current from your solar panels and converting it to alternating current which is then fed into the state grid even as you use it in various appliances. This means that the balance of your power output is used in the grid. When your power goes off you can get power from your balance. It works just like a bank where the utility company measures and tracks your power input into the grid to ensure they have data of your power input into the grid. This means that whenever you have extra power produced from your solar system, it will flow into the grid system and be credited to your power account from which you can take when your solar power goes off. On the other side, an off-grid inverter needs to operate together with a battery. Here, as the solar panels produce direct current they feed it to the charge controller. From here the direct current is channeled to the batteries for storage, from the batteries the direct current is then fed to the inverter which then converts the direct current to alternating current for use in powering your appliances. The difference, therefore, is that while grid-tied solar inverters convert direct current from the solar panels to alternating current, the off-grid inverters convert direct current from battery banks to alternating current. There is a need to always consider the choice of your solar panel. It will affect the quality and the amount of energy output from the whole system. Solar panels convert sunlight into DC (direct current) power; while an inverter converts the direct current into AC (alternating current) power, that is then used to powering homes and electric appliances. The different types of solar inverters are highlighted below; These are the most pocket-friendly inverters. They are a good choice if all your panels are exposed to a lot of sunlight or if they all face the same direction. Each row of panels is called a string, and that string is attached to an inverter. If a panel on the string does not receive enough light, then it will drag the performance of all the others down to its level. Power optimizers are a solution to any performance defects caused by a poorly performing solar panel. One is installed on each panel and conditions the DC current before it reaches the inverter. They are a good compromise between standard string inverters and more expensive microinverters. These are installed on each panel and they convert the DC power into AC power right at the panel. They are more efficient than string inverters because a single panel will not affect the performance of any other panels. They are a good solution for homes where one or more of the panels are in the shade. They are expensive, so they should only be purchased if necessary. Central inverters are similar to string inverters but they are much larger and can support more strings of panels. Instead of strings running directly to the inverter, as with string models, the strings are connected together in a common combiner box that runs the DC power to the central inverter where it is converted to AC power. Central inverters require fewer component connections but require a pad and combiner box. They are best suited for large installations with consistent production across the array. With the growth of solar and storage, battery-based inverter/chargers are becoming increasingly important. Battery based inverter/chargers are bi-directional in nature, including both a battery charger and an inverter. They require a battery to operate. Battery-based inverter/chargers may be grid-interactive, standalone grid-tied or off-grid, depending on their UL rating and design. The major benefit of inverter/chargers is that they provide for continuous operation of critical loads irrespective of the presence or condition of the grid. Away from highlighting different types of solar inverters, the following the 10 best solar inverter brands that you should consider when making a purchase choice. This is a 5000Watts inverter that is hybrid manufactured to support back-up storage of power also. This inverter runs with 97% efficiency. The Skybox Grid-Tie Inverter is made by Outback Power which is a top brand bringing to the market a line of quality trusted product. This inverter is of high quality and easy to use. While most grid-tie solar inverters cannot store power the Skybox is made to store power that can serve as a back-up during emergencies. The stored power can also be sent to the grid when you specifically decide. If you live in areas that experience frequent blackouts then this inverter might just be what you need to take care of the problem. The skybox is still new in the market, this product was released in 2018. According to experts, the machine has been made with cutting-edge quality and in a manner that allows you as a user to easily install it and also maintain it. Based on the reputation of the company producing skybox you can comfortably conclude that it delivers value for investment just like other products made by the company which has been in the market over the years. The inverter has a single primary console that is equipped with remote control functions, Pv inputs as well as a load center making it very a very suitable choice hen it comes to ease of installation. The machines can work with any battery bank of 48V. In addition, it allows for the connection of a backup generator. When you buy this inverter you get a warranty of five years to protect you as a customer such that if any fault occurs you are covered. As a buyer, you are also eligible for a 10 year extended warranty on request upon request if you purchase the product. Get This Product From Amazon The solar Edge HD-Wave Grid-Tied Inverter gives 5000Watts of power with a 99.2 % efficiency. It is therefore highly efficient. This option is also very reliable and made up of lightweight material. With its high efficiency, you will obviously save money when it comes to power production. The inverter is designed for you to easily install it as a consumer without needing any expert support. The SolarEdge HD-Wave Grid-Tied Inverter has a built-in pure sine wave power as well as a module-level monitoring. It comes in a small package that packs more than expected. This model is a winner of the 2016 Intersolar Award. Whether you are n expert or a novice in the use of solar, this inverter remains a great choice for you. The inverter is highly durable with the ability to withstand severe weather like rain and high temperatures. Nevertheless, electronics should be accorded good care and protected from environmental hazards whenever possible. This solar inverter stands out for its record-breaking efficiency of operation which stands out at 99.2% This is because traditional grid-tie inverters are known to operate at an efficiency of about 90%-97%. Being both small and of lightweight, it can easily be installed by just one person. This is a choice that will enable you to easily connect to the grid. It also has a rapid shut-down that has been proved to meet the NEC requirements with a provision for adding remote monitoring. Get This Product From Amazon The Enphase IQ7 is a 290W micro-inverter with a 97.6% efficiency. This inverter is applicable with a single solar panel where it also can track data and keep the record. This inverter can be used alongside other Enphase products to create a set-up that can fully meet your home needs. With this inverter, if one solar panel in the set-up fails the rest still continue to function normally without disruption. This is a great option where you want to keep growing by starting small. Through the analytics program installed on it, you will get detailed data of the set-up. Like other micro-inverters it cannot serve a series of kits of solar panels, however, it can efficiently serve one panel, each at a time. The Enphase IQ7 unit is very easy to install. It is also lightweight. Moreover, it has an enclosure that is double insulated to ensure extra protection. The unit has been tested and proven to comply with NEC and CA Rule 21, in addition, it is also UL listed. In cases where advanced grid support is required the Enphase IQ7 plus is also suitable. The Enphse IQ7 inverter can only be paired with one panel that is 300 watts or less. Panels of a wattage that is higher cannot be accommodated by the inverter. Get This Product From Amazon The Eco-worthy Auto Switch MPPT Solar Grid Tie Inverter is a 1000W inverter with 90% efficiency that can be stacked to achieve a solar array that is large. This inverter cannot, however, be used together with a battery bank. The unit is cheaper compared to other options of near quality in the market. As one unit in standalone set-up, the inverter can only manage to handle 1000W of power. It is, therefore, suitable for household use in a small compound set-up. This model works only with a 24V direct current input. According to user reviews, you may experience slight problems with installation such as the controller failing to receive power. It is favored because apart from being used independently or be made part of a larger solar array by connecting multiple units together to work simultaneously. If you have a small set up or plan to start with a small set and later expand to a larger array then this is one of the options you should consider. In a day that too much power is produced in a day, it will be directed to the local grid by the system. This inverter is of 10V designed to produce an alternating current of 90V-140V. It is also well-equipped when it comes to protection from elements such as high temperatures, over current and against reverse polarity. Get This Product From Amazon With the capacity to handle 7,700W at 97.5% efficiency, the SMA Sunny Boy 7.7-US Inverter is suitable for high power production. If you have large solar arrays that have a production of 7500W and above then this inverter kit would be a suitable choice. It can handle a string of up to 15 midsized solar panels. With this inverter, you can easily power a large household and still channel surplus to the public grid. The quality of the Sunny Boy 7.7-US inverter is high and thus durable. Reviewers say it is a good choice when it comes to getting reliable power without relying on the grid. They, however, report mishaps like overheating. Compared to other inverters produced by Sunny Boy the 7.7-US Inverter is a choice to go by. It is mostly loved because of its secure and reliable power supply. With the standard warranty of 10 years offered by the company, minor mishaps can be handled without worry when you encounter them. Get This Product From Amazon This is a 300W microinverter that has a 90% efficiency offered at a particularly low price compared to other models of mid-range inverters. It functions properly with one solar panel but is also useful in forming combinations of multiple solar panels. Due to its affordable cost, it is cheaper to form an array with the inverter that buying a grid-tie inverter that is of higher wattage. If you are looking for a cheap option that will help you produce excess power that you would dump to the local grid then iMeshbean is an option you should certainly consider. Because it is a micro-inverter you will be required to buy one unit for each solar panel. The iMeshbean produces pure sine wave power, this is much cleaner as compared to other modified versions of sign wave. Get This Product From Amazon The Ampeak 750W Power Inverter comes in a stylish design as an off-grid solution with a 1500watt power surge and continuous production of 750W. It has a cooling system integrated with heat to cater for the cooling of the machine to prevent over-heating which eventually translates into high conversations. It has been equipped with three units of fuses that can be replaced so as to protect the connected devices. Due to its lightweight, it is a proper choice for use on road trips. It comes with dual Alternating Current Sockets and a USB charging port. This is not the only model in this line by the brand as there are other two lower-end Models under the same category in the market produced by the Ampeak company. At the peak, the Bestek 2000-Watt Power inverter may produce up to 4600W. It is also equipped with 6 fuses of 50A. When it is overloaded, this inverter gives an alert by using a LED light indicator. In addition, it also has a high-speed fun to cool off the machine plus a power switch which stand out notably. The inverter is made of highly durable material to cater for tough elements it might be exposed to during outdoor use. This makes the Bestek 2000-Watt Power Inverter a perfect choice for camping. Moreover, this kit comes in a perfect design for outdoor use including a handle for carrying it around. Get This Product From Amazon With Renogy as a brand behind this 2000-watt inverter, you can only expect the best in terms of quality. This kit produces 2000W of pure sine wave energy. It is counted among the best inverters for off-grid power production solutions. It has been built expertly to prevent overload on both the Alternating Current Output and the Direct Current input. To make it more efficient, it has been equipped with a high-speed cooling fan. This inverter has been part of the benefits that Renogy has been giving to the customers who buy its solar products, however, it is available for you to purchase it as a single entity whenever you want to set up your own powerful off-grid solutions. Get This Product From Amazon This is a best-seller when it comes to off-grid solar inverters. It produces up to 3000W of power. There are also other variants in the line that caters for lower power systems like 1500W and 1200W. It has the capacity to produce 110V of AC from 12V of DC. With the Windy Nation, you get a surge power of about 6000Watts and a continuous power of 3000watts. This makes it a comfortable choice for running household appliances like televisions, laptops and ovens among others. The kit has three sockets of AC for connection to appliances. You can see the voltage level through a LED display on it. Apart from being highly durable, the inverter comes in a compact design. See this product here on Amazon.
Factors Affecting Intelligent Solar Street Light
Intelligent solar street light is a lighting tool that can be used by relying on solar photovoltaic. It can be installed on site as long as there is sufficient sunlight. It is called a green product because it does not pollute the environment.Intelligent solar street lights are mainly used in streets, so they are greatly affected by natural conditions. In order to ensure the normal operation and extended service life of intelligent solar street light, it is necessary to upgrade from the component configuration. The main factors affecting the life of intelligent solar street light are light sources, light source actuators, solar power smart led street light controllers and batteries.Product parameters:* Material: Light pole is all-steel structure, overall hot-dip galvanized / plastic sprayed* Solar cell module: crystalline silicon 70-240WP (configured according to load)* System working voltage: DC 12V - 24V* controller: special controller for solar power smart led street light, light control time control, intelligent control (the black light turns on automatically, the daylight turns off)* Energy storage battery: Fully enclosed maintenance-free lead-acid battery 12V17Ah - 80Ah (based on load configuration)* Light source type: Energy-saving high-power integrated LED, rare earth high-efficiency energy-saving lamp (can be configured according to customer requirements)* Protection level: IP65* Operating temperature: -30 degrees to 70 degrees, wind resistance ≥150Km / h* Lighting time: 4 14 hours (can be adjusted as required)* Light pole height: 4m 10m (can be made according to customer requirements)* Rainy and rainy days guarantee: Can work continuously for 4 5 rainy and rainy days (different in different regions / seasons) (can be produced according to customer requirements)·RELATED QUESTIONWhat is proffesional led stage lighting?When you're putting on an occasion, whether it is an unassuming school play or a party, stage lighting rental is an unquestionable requirement. Lighting is a main thrust of your production, giving brightening, center, detail and modifying the view of the group of audience. There is nothing that so vitally passes on an inclination superior to a decent lighting system, and with boundless inventive potential, will serve as an immense advantage for your creation.Focus, position and hanging:Conventional stage lighting must be set up because of these three contemplations. Focus refers to where the light will point; position alludes to where the light will start from; hanging refers to the real demonstration of hanging the light. Shading, force and example (assuming any) should be considered next.Types of stage lighting :Ellipsoidal - these lights are the conventional stage lights and thought to be the most critical. They are centering lights, the appearance in front of an audience of which can be adjusted by screens and channels.Fresnel - these lights are utilized for shading washes on the stage.Standard Jars - these lights are the sort you will see in even the dingiest of bars. Continuously a strong choice, standard jars can get hammered, are sturdy and simple to transport.Follow spots - these are spotlights used to pursue somebody around a phase.Obviously, there are increasingly choices accessible for stage lighting with the consistent progress of innovation. Presently you have the fundamentals; here are a couple of more alternatives:LEDs - these Professional LED Stage Lightingare useful for centered pillars and have been gradually supplanting conventional globules in stage lighting.Dizzies - these lights are round circles with a few Drove lights (more often than not of varying hues) covering the surface. The circle pivots in an assortment of bearings and examples, making a whirling, confounding example, consequently the name.Gels - this term alludes to the hues given to lights. They function as shading channels, and should work in congruity with the shade of the light itself to accomplish the craved impact.Once you have got your types of lighting down, you'll have to consider where to place them. Here's an essential summary of lighting positions:Front - This is utilized for the most part for perceivability and shading impacts. Side - can be utilized to awesome impact to complement activity.Back - Additionally utilized for impact. This kind of lighting can make the dream of profundity on a phase, or notwithstanding to silhouette a man totally.
What Is the Situation of Solar Street Lights USA?
About the situation of solar street lights USA,in Wichita Falls, northern Texas, USA,there are still more than 5,700 high-pressure lamps, metal halide lamps, mercury lamps, etc. In order to replace all the traditional street lamp with LED lights, the local government plans to cooperate with some renewable energy companies to the street light which is changed to LED solar street lights USA.So far, have nearly 2,500 sets LED street lights in Wichita Falls. The Wichita Falls government is planing to change all of the 2,500 sets street lights to solar street lights USA. It is estimated to cost about 3 million US dollars. The renewable energy company will use the high quality solar street lights USA. Life expectancy is up to 20 years. The renewable energy company said that after the replacement is completed, it will save 2.85 million kilowatt-hours of electricity per year for the city of Wichita Falls.As a result of research, LED street lights with high color temperature have an impact on human health and wildlife. Colder color temperatures such as 4000K or 5000K will produce more blue light, which is related to the low chance of sleep or even cancer. Therefore, it is recommended that the forsolar street lights USA color temperature should not exceed 3000K. The light emitted by such a street lamp is a warm white light.In addition to the city of Wichita Falls, the American City Alliance (NLC) has also assembled 35 towns in southeastern Pennsylvania to jointly contribute $13 million to convert public lighting equipment to solar street lights USA. As a result of fundraising purchases and reduced energy consumption, participating governments will save $1.4 million annually in energy budgets.The city of Lansdale also participated in the fundraising plan. The original city government was limited by budgetary shortfalls. In the past few years, it was replaced with LED bulbs when the bulbs were damaged. However, after participating in the project, it is expected to install 2,600 solar street light USA devices for a million dollars.·RELATED QUESTIONWhich custom lighting design manufacturers would you choose to work with (as in, your preferred list of custom lighting design manufacturers for new projects, renovations, and/or construction of a new home and/or commercial property) and why?Residential and commercial lighting are different products. You do not give a reason for wanting custom vs. off the shelf products.A unique custom lighting product is backlit onyx and hinoki wood walls, desks, columns, and stairs by GPI Design of Cleveland. The onyx and hinoki veneer are sandwiched between glass.Boyd Lighting is a San Francisco Bay Area maker of high end lighting.Phoenix Day is another Bay Area custom manufacturer.Holly Hunt is a collection of custom lighting manufacturers.Working with a lighting designer will save you time and money while guaranteeing your project will meet codes, function, and look good.
What Are Problems When Using Solar Street Light with Sensor?
The economic development has made our city construction work more emboldened, and more advanced equipment can be used.Solar street light with sensor have entered our line of view in this context. It has been widely used in many large cities in China. As an energy-saving product that can effectively save energy and protect the environment, we want to make solar street light with sensor better for us,extend its life services.In actual use, also need to pay more attention to these issues.The first is the heat dissipation problem. We all know that solar street light with sensor are generally led light source, so its service life is very long and if you want to improve its service life for a longer time, it is necessary to increase the heat dissipation and constant current of the led lamp.Work harder,effective heat dissipation can help control the temperature of the led tube.The second is the anti-theft problem.Because solar street light with sensor need to be equipped with solar cells and solar panels,this has become the target of theft of criminals. Therefore, in order to be able to use normally, it will not affect the night lighting. During construction, it is necessary to pay attention to effective anti-theft, and the battery can be buried. Under the pedestal of the solar street light with sensor,the cement is poured on it, so that the solar battery can be effectively prevented from being stolen, the economic loss is reduced,and the normal lighting work is not affected. In addition,solar street light with sensor can use lithium battery,the lithium battery has one-third of the weight of the same-power lead-acid gel battery and one-third of the volume. It is even more difficult to be stolen by installing it inside a pole, inside a bracket.The third is to choose the right solar street light with sensor controller. Although the controller is very inconspicuous in the entire solar street light with sensor system, its quality will directly affect the life of the entire street lamp system and the cost of use, so be sure to choose a controller with excellent quality during construction.As a typical example of green lighting equipment, the use of solar street light with sensor is very beneficial to our country and the masses. If you want to fully utilize its long-life advantages, you must add more in construction and pay attention in actual use.Optical sensors or magnetic sensors for position control?Optical sensors can be very precise, but they will also be pricey maybe ($75-300) Magnetic sensors can be are accurate as far as on/ off, they are also going to be much cheaper ($20-50) Both types of sensors can be tampered with if that is something you are worrying about but the optical will be harder to tamper the single.2001elantra,loss of power,especially on up grades.?you have replaced a few items that would do this. however we need a diagnostic check to see fault codes. using these we can have a better chance of a solution. for example coil pack, plugs,crank sensor wo not do that. map sensor and TP sensor may.. do that. as its sudden cut back and reapplication of power we need to look at ecu inputs. this would seem to be an electrical issue such as loose wire on a connector. accelerating gently up and down by itself is more of an actuator issue. again diagnostic check with a competent technician is best way to get decent fix.Bad oxygen sensor? or catalytic converter?a low catalyst efficiency very rarely points to a failing cat or o2 sensor. the fact that it does not get hot enough to work right can be the issue. look for a vacuum leak on that bank or an exhaust leak on that side. either one could lead to that.Serial sensors and the YunI do not have any experience with the Yun so I can not comment on that specifically, but the only problem you will encounter with using SoftwareSerial is that you can only communicate with one device at a time.This means you will have to make a call to listen()before communicating with sensor1. Then when you want to communicate with another sensor, you have to do the same.
High Performance Integrated Solar Street Light Lithium Battery with Good
0.5w led solar reading light with 5v 0.4w integrated solar panel solar power system, solar power bank, solar lighting, led spot light, led tube, led down light, led bulb, solar battery, led street light, pir motion sensor all in one solar street light with, solar panel. city/province. yangzhou, jiangsu, china 50w integrated solar led street light solar powered . amazon.ca solar powered street lights. 30w led integrated solar street light, ip65 waterproof solar powered pole light, 130lm, 6500k (bright white) security area night lighting for street gutter patio garden path,24w cdn$ 193.03 cdn$ 193. k180 led road street light led street light, solar led eneltec group• RELATED QUESTIONLithium battery cars mining ?Do a little research before posting a question based on a flawed assumption. Hybrid batteries are typically warranted for 8 or 10 years, not 2 or 3. And that's a full replacement warranty, not pro-rated. Also Lithium batteries are not used in hybrids yet, today's cars use NiMH (Nickel Metal Hydride), which is fully recyclable and not a big issue for mining either. Edit: Your "Additional Details" have added another inaccurate assumption. The electronics in a hybrid vehicle do not allow the batteries to go through a full charge-discharge cycle, as that severely shortens the life of a battery. Instead, the batteries are kept within a relatively narrow range of state of charge; typically around 50% to 85%. That extends the lifetime dramatically. How else do you explain 8 or 10 year warranties on the batteries? Car companies are not in the business of giving away expensive parts under warranty.Top 11 Lithium and Battery Stocks to Buy NowThe company reported during their September 2020 quarterly report a signed binding agreement with Tesla, Inc. for the supply of Spodumene concentrate from Piedmont's North Carolina deposit to Tesla. In addition, during their US public offering, they raised a total of $US57.5 million which they will be using to strengthen their goal of becoming America's first new producer of lithium hydroxide in decades.Nikon Coolpix S550 Camera Flash Blinking Red but Won't Shoot?you will might prefer to get it fastened. touch Nikon and observe how plenty it ought to fee to get it repaired. If the fix fee is greater helpful than the unique fee of the digital camera itself, i ought to recommend figuring out to purchase a sparkling digital camera.What's the diff. bet. a rechargeable batt and a non-rechargeable batt?Batteries store electrical power in a chemical manner.The chemical reaction produces electricity when you connect a circuit.Rechargeable batteries are built in such a way that the chemical reaction, can be pushed back.When you charge the battery, putting electricity back into the system, you restore the chemicals to their original state, storing the power.Non-Rechargeable batteries are built with only the forward chemical reaction in mind for many reasons including:1 If the battery reacts negatively to you trying to force the chemicals back to their original state, we say it isn't rechargeable. Think heat, gassing, or both.2 If the battery uses up the chemicals in the initial chemical reaction, there is nothing to push back. Therefore attempts to charge the battery will just produce heat, or explosive gases, or both.3 If the battery emits noctious fumes under a recharge, we say it isn't rechargeable. For both your sake and the environment, these batteries should be charged in a sealed environment.Think Fire, Exploding Batteries, Noctious Fumes Etc. Bad stuff!Do Not Try To Charge Batteries that say they are not RECHARGEABLE!how do you charge rechargeable batteries?If you cannot take out the battery of your MP3 player which is usually (AA or AAA), try plugging it on a selfpowered USB port of a computer (USB port located at the back of the Tower) these ports jolts out 3.5 volts which is sufficient enough to recharge your SansaWhy is my 1 year old compaq laptop battery life short?The average battery life with casual usage of a Lithium Ion battery is 1 1/2 - 2 years. At the end of 2 years the battery will hold no charge or very little, in some cases of constant everyday use the battery may die after a year. The battery will progressively get worse like yours is, eventually you'll have to get a new battery if you want to work without plugging it in.Eovolt Folding Electric Bike UK Brand Launch - COREbike show 2022Pinpoint CE Distribution are to launch its exclusive UK distribution of the Eovolt Folding E-Bike Brand to the UK cycle trade at COREbike 2020. Company intro Eovolt are a French brand with its own manufacturing facility in the city of Bourges which is situated in the Centre-Val De Loire region of France.The brand's mission statement was to make lightweight folding electric bikes through innovative design. The most notable of many design features is the use of the seatpost as the battery which leads to a very clean stylish look of the Eovolt range of bikes. Bikes For The UK Market There are two different models being launched at COREbike 2020 for the UK market. All UK Bikes with come with a rear pannier rack as standard.. EOVOLT CITY The Eovolt City is a folding electric bike with five levels of pedal assistance incorporating 16" wheels with a LG Lithium Battery and powered by a brushless 36v 250w Motor. Weighing in at just 14kgs makes it one of the lightest folding electric bikes on the market making it perfect for families, city commuters and motorhome owners in particular. The Eovolt City retails for £1,299.99, has a range of 50km, comes in a range of four colours and all UK bikes will come with a rear pannier rack as standard EOVOLT CONFORT The Eovolt Confort is a 7 speed folding electric bike with five levels of pedal assistance incorporating 20" wheels with a Samsung Lithium Battery, hydraulic disc brakes and powered by a brushless 36v 250w Motor. Weighing in at just 18kgs makes it one of the lightest 20" folding electric bikes on the market and has a range of 100km which makes it perfect for family's, commuting, touring and adventure. The larger frame and 20″ wheels along with the range of 70-100km allows you to go on longer rides, touring and adventures. Attach your rear bags to your rear pannier rack and you are ready to explore over longer distances. A rider recently completed a 2000km touring ride across France on the Eovolt Confort charging up at café stops and overnight at campsites. The Eovolt Confort retails for £1,849.99, comes in a range of three colours and all UK bikes will come with a rear pannier rack as standard. Pre orders available at COREbike and you will find Pinpoint CE Distribution in room S4 You can view the range at www.eovolt.co.ukWhat Lithium Battery should I buy for laptop?frequently, i would not advise figuring out to purchase batteries from eBay. interior the form which you do get a nasty battery, coping with the broking, eBay (and PayPal), and getting a replace could be unnecessarily complicated. Off-kind batteries would be high-quality, and that i would not discourage you from figuring out to purchase one, yet i might motivate you to purchase from a great save... fairly one that accepts credit enjoying cards. If the battery existence isn't what you anticipate, or it behaves poorly (to illustrate, it won't fee whilst related on your pc), you would be waiting to touch the save extra straight away. additionally, your mastercard business enterprise will defend your purchase in techniques that PayPal won't (like providing you with a no-questions-asked refund if the save won't).My SONY video camcorder will not take a charge how do I determine the problem? Lithium battery replaced.?Are you charging with the battery in the camera or not. Do you know if your charger is working, it may have an output but is it enough. maybe take it in to have it checked, if you can try another charger, (you have replaced the battery) Its a process of deduction. Good luckRRHow to Extinguish Lithium Battery FiresWhile batteries in common use are generally safe, the question does arise about what happens when they catch fire. This may be because of thermal runaway or physical trauma. Any fire can run out of control; foreknowledge is therefore essential. Especially if you need to extinguish lithium battery fires, and water seems the obvious solution. We posted a high school experiment further on in this post. We did so because, although this does not appear dangerous we wanted to point out the research assistant wears protective clothing and is not working alone. This experiment shows that broken lithium batteries are considerably more toxic in the presence of water than other similar-size cells. Hence, we should avoid attempting to extinguish lithium battery fires with water. The primary reason is lithium burns in the air we breathe. And moreover reacts with water to form explosive hydrogen that may develop a chain reaction. Water is clearly not a lithium battery's friend. It may ignite during thermal runaway, or in the presence of an adjacent fire. When a lithium battery overheats for whatever reason, it expands rapidly causing short-circuits inside. This may spontaneously release energy that can ignite adjacent cells when it explodes. Emergency personnel must wear protective clothing, especially eye-protection, respirator, and rubber gloves. Extinguishing a lithium battery fire is not something you or we should attempt. We provide this information in good faith along the lines we understand. Never attempt to extinguish lithium battery fires yourself. Your health and safety are far more important. Please call the emergency services instead as these are Class D fires.12V 55AH Lithium Battery Replacement for Motor Guide VariMax TrollingInvest in power with the Mighty Max 12V 55ah Lithium Iron Phosphate Battery. The ML55-12LI will take your deep cycle battery experience to a whole new horizon. Manufactured with the highest quality components and the customers safety in mind, this battery contains a battery management system (BMS). BMS provides all kinds of protection for the battery and customer, equipped with Over charge and short circuit protection. Weighing only 19.00 lbs. and being a direct drop in replacement for its sister sealed lead acid and Gel batteries which weigh a hefty 40 lbs. Lighter, stronger and longer life span with 2500 cycles makes this the ideal battery for all your Deep Cycle applications such as, Solar / wind energy systems, Off Grid systems, RV, Camping, Backup power systems and much more. Attention - Designed to be used in parallel with a maximum of 4 identical batteries. Do not connect in series. Make sure to only use a compatible lithium charger for this battery and tightly screw the terminals. Having loose terminals will cause a buildup of heat resulting in damage to the battery. 9.01 in x 5.43 in x 8.38 in1 rechargeable lithium-ion battery?Lithium battery for cameras. Chargable with the specified charger. Externally.Lithium Battery Recycling Market: Size, Trends & Research ReportNorth American lithium battery recycling market should reach $3.2 billion by 2023 from $1.2 billion in 2018 at a compound annual growth rate (CAGR) of 22.7% for the period 2018-2023. • An overview of the North American market for the lithium battery recycling • Discussion of technological and economic trends that are affecting the market • Coverage of drivers and regional dynamics of the lithium battery recycling market and current trends within the industry • Comprehensive profiles of the major players of the industry, including American Manganese (AMI) Inc., Li-Cycle Technology, Retriev Technologies, Raw Materials Company (RMC), Jiangxi Ganfeng Lithium Co. Ltd. and Lithium Americas The report's scope spans the North American market for lithium battery recycling. The report analyzes regional market trends, using data from 2016 and 2017 as base years and providing estimates for 2018 to 2023 with projections of compound annual growth rates in the forecast period. The report includes detailed discussion of technological and economic trends that are affecting the market. Furthermore, it explains the major drivers and regional dynamics of the lithium battery recycling market and the current trends within the industry. The sale values within the report are presented in U.S. dollars, while the sales values in terms of actual product are presented in thousand units. The choice of using thousands as a denomination unit was dictated by the shipment volumes for specific categories, which would have otherwise appeared too insignificant. It is important to note that the lifespan of the lithium batteries varies depending upon the usage industry. The forecasts are further broken down by industry and region. The report covers the following chemistries of lithium: The regional breakdown focuses on the following countries: The report concludes with a special focus on the vendor landscape and includes profiles of the major vendors in the North American lithium battery recycling market. BCC Publishing Staff comprises expert analysts who are skilled in conducting primary research, secondary research and data analysis and have decades of combined experience covering a wide range of industries, including healthcare, advanced materials and emerging technologies. Collectively, the team represents a diverse set of educational achievements with individual graduate work completed in fields such as microbiology, electrical engineering, business administration and surgery, among others. • The U.S. Market for Home Automation and Security Technologies (IAS031D)
Solar Street Lights an Economically Viable Solution
Street lighting is one of the largest single expenditure for many cities around the world. Staying up-to-date with new developments and adopting solar lighting technologies dramatically reduces electricity costs and green house emissions.Solar street lighting can be an economically viable option in many applications. Not only in areas where the cost of providing electricity is too expensive, but also in situations where reducing running costs is a priority. Solar street lights are a judicious choice for parking lots, parks, highways, roads airports, area lighting and many other public, private and military sites.When installing solar street lights, there is no need for excavation to put cables, as power does not depend of the grid. Solar energy is used to charge the self-contained battery during daylight and at night, the power released by the battery powers the lights. A timer or a photocell controls the operation of the lights from dusk to dawn. Set up is quick, usually less than a day per solar street light. It can be done by any experienced technician. The solar panel needs to be properly aligned to gather maximum energy during the day.There are few things to consider when planning using solar street lights: It is very important to correctly size the different components (solar panels,lamp, battery, solar controller) according to the geographic area. Well designed solar street lights systems can provide adequate and low cost illumination for years, with minimum maintenance. LED (Light Emitting Diodes) lamps can work up to 50.000 hours.
Frequently Asked Questions (FAQ) for Solar Street Light
Is electricity understood well enough in Eberron to produce current and simple electrical devices?You are operating under a misconception: lightning and electricity in Eberron (and most D&D worlds) does not work like it does in reality. This is to some degree just simplification; it would not be fun to have to pull out Maxwell's equations every time an electrical attack happened. But this simplification does have some rather important side-effects.A prime example of this would be a character in full plate mail getting struck by lightning. In the real world, the fellow struck by lightning is completely protected thanks to his Faraday-cage / full plate armor. In D&D, the character is damaged (barring electrical resistances, immunities and other such effects). Another example is the lightning bolt spell itself. In 5e, for example, the spell produces a bolt of lightning five-feet across and 100-ft long. In the real world, if we produced enough voltage to cross a 100-ft long span of air, the bolt would ground itself out because the path of least resistance will be the 5-foot span directly downward. There are reasons stun batons have to basically make skin contact, and tasers have wires to direct the flow of electricity. Since electricity demonstrably behaves differently in Eberron than in reality, you should not expect electrical engineering solutions to work in Eberron either.This doesn't mean there aren't solutions in Eberron that would work even when hit by Dispel Magic, however. We had lanterns and torches long before we harnessed electricity, and cannon wicks have been around since the invention of the cannon------What are some of the startups in the field of smart energy and smart streetlighting in India?Photron Power- All-in-One Solar LED Street Lights Manufactures in India.Photron being a well known Solar LED Solar manufacture & Supplier in India is among the few LED street light manufactures in India. Our solar powered Street lights are designed and manufactured by our expert team using high quality imported raw materials and updated technology. All in one Solar Street lights provide cost effective, Maintenance free alternative energy solutions for illuminating streets, highways, housing colonies and commercial complexes. All in one solar street lights consist of solar panel, battery and LED and can be operated by solar energy.Use of LED Streetlights in India is economically viable and a better alternative for conventional lighting systems and to bring down the electricity bill drastically. Our Street lights are equipped with automatic motion sensors and dimmer settings to ensure maximum energy savingsIntegrated Solar LED Street Light- Benefits & FeaturesAll in one Integrated Solar LED Street Lights are becoming very popular in India to illuminate the streets due to its compact design and integrated features. The bulky conventional street lights are getting replaced by the the fancy Street lights with advanced features like Motion sensors and Specific spot lighting features. Integrated All In One Solar LED Street Light produces its own power and uses lowest power consumption technology. For complete information please check the belowALL-IN-ONE INTEGRATED SOLAR LED STREET LIGHTS 12W|15W|PHOTRON POWER------Which brand is the best for solar street lights?The impact of solar energy is gaining a huge amount of popularity all over the world with eventual progress in modern lifestyle. Starting from its influence on our daily basic needs to something pretty big and useful for the mass, solar energy has its hand. In a world where at least one effort is made towards making our environment a better place to live in, the everyday implementation of solar energy in various mass commodities in place of the normal electrical power supply is a huge initiative towards existential development. Solar energy is a very smart alternative in the field of energy production and is very easy to use in several fields. Streetlights assisted with solar energy supply for light production, are very much popular in the commercial market these days and is sold by different brands in the different price range. They come in different designs and meet the demands of the clients accordingly. It is very difficult to say which brand is the best for solar street lights since almost every electrical brand is replacing their commodities with solar power commodities and among all these popular and genuinely admirable brands, some are really trustworthy and have made remarkable progress online and offline. LOKOZO is one of them. LOKOZO has developed and has distinguished itself from the test with its expert strategies of product manufacture and marketing in the world of Solar energy and LED light supply. There is a wide range of products by LOKOZO which are making remarkable progress in the market and solar LED street lights is one of the best production of LOKOZO. The types of Solar streetlights produced and marketed by LOKOZO are· Solar LED streetlights- With the technology of solar energy and LED technology, these streetlights are designed according to the needs of our clients and have a very bright and widespread impact. This product is highly used in LED petrol stations lighting, airport lighting, transportation lighting, and service bay lighting. The features include long service life, high performance, excellent strength. · Solar street light with Bluetooth enabled and inbuilt MPPT Charge controller- These contain all the expert features of a solar street light with a Bluetooth enabled MPPT controller inbuilt to cancel out any power connectivity to radically diminish any power loss and give the purest output possible. The features include low power consumption, high power output, very reasonable cost, automatic ON/OFF button, battery charging inside the pole and digital loaf display.For more information on our products, log on to lokozo. inContact us offline at-Chikkahanumanthappa Building,n Rajivgandhi Nagar, Sunkadakatte,n Srigandhadakavlu,n Bangalore - 560091n Mail: Call Us : 91 080-2348-6675n Mob No. : 91 9448957343------Why can we not measure the distance to the Sun directly using Radar?My question is specifically WHY CAN WE NOT USE Radar to measure the distance to the Sun? By way of analogy, the path of a solar eclipse will cross the United States this summer. People are already being warned not to look directly at the Sun during the eclipse without protection. The reason of course is that looking at a partially eclipsed Sun may cause permanent damage to ones eyes. Most of that damage results from from the Sun's infrared rather than visible output. Just because one cannot see that infrared radiation does not mean it won't hurt you.The same applies to radio antenna. While radio antenna are typically designed to be insensitive to visible and infrared, an unprotected radio antenna, like an unprotected eye, will suffer irreparable damage when pointed at the Sun.What about a radio antenna protected by a radome? Those can be and are pointed directly at the Sun. What they see is a large body that radiates at an effective temperature well above the 5778 K of the surface of the Sun. The Sun's chromosphere can have an effective blackbody temperature in the microwave and radio frequencies in the tens of thousands of kelvins, and the solar corona, in the millions of kelvins.This is particularly the case when the Sun is active, a one to four year long period during the Sun's eleven year solar cycle. Solar scientists aim radome-protected radio antenna directly at the Sun because the deviations from blackbody radiation at 10.7 centimeters are highly correlated with deviations at short wavelengths. Scientists use the Sun's radiation at 10.7 cm as a bellwether of the Sun's activity.Suppose someone decides to ping the Sun with a radio antenna inside a radome while the Sun is quiet. Even during quiet periods, the Sun still outputs radiation in the microwave and radio frequencies with an effective temperature of nearly 10000 kelvins. The large output from the Sun in the microwave and radio frequencies will overwhelm that little ping, even when the Sun is at its quietest.Once again by way of analogy, think of pointing a flashlight directly at a street light. Flashlights work great when pointed at a somewhat nearby dark patch of ground. They don't do much at all when pointed at a more remote source of light
Delay Shadow Over Solar Street Light Project | Bhubaneswar News - Times of India
BHUBANESWAR: The solar street lighting project in Bhubaneswar is likely to be delayed further as the Bhubaneswar Municipal Corporation (BMC) on Tuesday expressed its inability to allot land to the Orissa Renewable Energy Development Agency (Oreda) at the proposed site near Unit-8 Boys' High School for setting up a solar photovoltaic (SPV) power plant. The BMC, instead, has requested the director of estates to allot land near Orissa University of Agriculture and Technology (OUAT). Solar lighting will be installed on the stretch between OUAT and Delta square for which Oreda had sought land from BMC. "Since BMC is the user of solar lights, it has to provide us land to set up the plant which will facilitate the lighting," said deputy director, Oreda, B K Swain. He said they had sought 600 sq metre land for installing solar panel and batteries. A BMC official said they had no piece of land at the proposed place. "We are hopeful that Oreda will be provided land soon," said the official. OREDA is the nodal agency for technical assistance for solar lighting and BMC would provide the required support. The solar lights on the proposed stretch would cost about Rs 1.14 crore. The Union ministry of new and renewable energy (MNRE) will give 30% of the project cost, sources said. The BMC in 2011 was included in the MNRE's 'solar city' project, which will turn 60 cities across the country into solar cities. "The solar powered streetlight was planned by BMC. It is supported by the science and technology department and Oreda," BMC commissioner Sanjib Mishra said. At present, the BMC spends around Rs 5 crore on street lighting annually. Solar lights are expected to cut down on the expenses significantly. Earlier, the civic body had launched environment-friendly LED street lighting system in some parts of the city to cut down on energy expenses. BMC aims to convert at least 10% street lights into solar powered lights by 2020.
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