Led Solar Street Light Price Is Affected by What Factors

How efficient is the windmill assisted solar powered street light?

Solar installations usually don't care much about efficiency as the fuel is abundant, free and zero emission. I presume you are asking about effectiveness.I think the windmills are required to counter the effects of low daylight availability to solar PVs. They might also reduce the size of the battery depending on the wind characteristics of the location.In a country like India, solar alone is usually sufficient to do the job.In India, I have seen pure solar street lights in many locations - particularly rural. (Source: OdishaDiary - Fuelling Odisha's Future)Almost all newer highways have signals & lights run by solar PVs.n(Source: NGO installs solar lamps on Pune-Mumbai Expressway | Latest News & Updates at Daily News & Analysis)

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"How to Promote solar street lights business?"

The best way to promote solar street lights is:1. Put up solar street lights at the visible needy locations as an advertising strategy. Promote your company by displaying the company's logo on the battery (which would be visible as the battery is placed below)2. You should fix up meeting with big shot companies who have remote locations as their installations (mostly industries) and promote your product.3. Or you can team up with governments for providing street lighting at remote villages. 4. You can take up a pilot project of Corporate Social Responsibility at one of the remote villages, and by this you can promote your work to other interested parties.

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How did my ground and neutral become energized by a short in the buried main line?

Your breakers are on the hot side , from your description your neutral was connected to one of the hot wires underground. Your ground rod or grounding electrode system must be at a fairly high level. I have seen 2 ea 10 ground rods have over 100 ohms code allows 1 rod if the value is 25 ohms or less and no measurement is required when you have 2. When the hot connected the neutral every thing that was grounded was now live. Remember the neutral is not switched this is why everything was hot. A ground value of 6 ohms is only going to be pulling 20 amps the power company would not even notice the short at that level. The one thing that surprises me is that the utility ground at the transformer must be at a high level also because if it was a good low value it would have blown the utility fuse. Think I covered the areas you asked about. If you want more specific answers, we can go there, but did not want to waste your time if this meet your needs.

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How do we monitor the function of solar street lights?

The function of the street lights can be monitored by a central management systems better known as CMS systems. To monitor the street lighting you need to create a node of each street lighting luminaire and connect them to the master and then connect each master to the Control center. The connection can be based on any wireless technology available on the market. Since it's solar street lighting you will also to need monitor battery status, over charge and deep discharge along with the monitoring status of the luminaire like the Switch ON or OFF, Dimming level, etc.Hope this answers your question!

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Do you know any form of a solar street light controller? What's the principle behind it?

Not sure if you are asking about solar powered street lights (solar panel charges battery during day- uses a pretty much basic solar controller to handle battery charging duties during the day and often controls the lamp (usually LED) during the night) or the photovoltaic light controller that turns them on when it gets dark (some solar powered streetlamps use these- but they usually just use the solar panel itself as the light sensor)- as do many grid powered streetlamps which use usually an LDR (light dependent resistor) as the basis for switching on the lamp when it gets dark enoughMany others simply use either timers or a switched control wire to turn on

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What can I do about my strong RF noise?

Welcome to hamSE, Robert. Since you say that it's only slightly out of tune, I seriously doubt that this has anything at all to do with your antenna. You say that you shut off the power to your house, yet the noise is at your house. I suspect you have something on or near your electric pole arcing. Power lines are notorious for doing that and making our hobby less than what we should expect.Have you checked the coax? A loose shield might be the cause. And check the SWR right at the antenna, as what you measure at the station end might very well be incorrect depending upon the electrical length of the coax.

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What solar event caused massive aurora borealis in the mid 1960's?

It is unlikely that identifying the particular event that caused the aurora is going to be possible. Solar monitoring was in its infancy in the 1960s. However, while rare, it is certainly possible for aurorae to be visible at latitudes even further south than Belleville.

From the Wikipedia page on Aurora:Auroras are produced when the magnetosphere is sufficiently disturbed by the solar wind that the trajectories of charged particles in both solar wind and magnetospheric plasma, mainly in the form of electrons and protons, precipitate them into the upper atmosphere (thermosphere/exosphere) due to Earth's magnetic field, where their energy is lost.The first direct measurement of the strength of the solar wind was made by the spacecraft Luna 1 in 1959. You can read more about the history of our knowledge of the subject on the Solar Wind Wikipedia page.

At least one aurora was visible even further south, from Washington DC, in the time range you remember, and was reported in the Washington Post on 27 May 1967:

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What is the required illumination for a solar street light?

Required illumination does not depend upon the type of light but on the use of the space and type of the work or the visual task to be performed. Based on the CIE115 standard when lighting a local road of classification P2, the illumination required will be 10 lux. When designing lighting for an application, you should ask what is the level of illumination required and then determine the lumen output of the lamp that achieves the required illumination. Based on the energy requirement of the luminaire you would have to size the solar panel, electronics and battery.hope this answer your question, Do comment back if you want to know an illumination level for a particular task.

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Where can I get solar panels and solar street lights in Mumbai?

Please download IndiaMART app. Register your requirements. They will send the list of suppliers at Mumbai to you and subsequently the supplies will be contacting you. If you can manage your business with them well and good. Otherwise u ask them the company name and note down. Later u browse in the computer and see their company website for their credentials and about the details of the products.If u type in the Google about your requirement the details will come. U search List of suppliers of solar panels and solar street light in Mumbai in Google. The list of details of the supplies will appear. U can select the suppliers according to your choice.U can search best quality wise and best suppliers wise and best offer wise in the Google search. Nearest suppliers and fastest suppliers all u can doOr u approach an user nearer to you or known to you and discuss with them about the performance of the street light and solar panels and the details of the brand and supplier. It will give you an idea about the performance of the products. Moreover after sales maintenance services are must. That is very important in solar industry. U ensure about AMC amount and services whether the company is providing or not.

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Can I start solar power business despite having no any technical knowledge?

Yes you can,I am doing the same since 5years without any knowledge about Solar Industry, just get enrolled in a Solar Industry training course conducted by the government or by a private institute,Get basic ideas and pick a fast moving product and use it for yourself, for example :-Solar rooftop systems, Solar lanterns, Solar street light,Solar toys etc,Examin how they work and you and you will even come to know about installation,Then bring a fast moving Solar product form the market and sell it among your relatives or friends then if you are confident rigester a firm in your name, create a brand name and start business in a small premises with a small budget if it goes well hire some experts and go-ahead......Best of LucknSolar Energy is the feature of the world.nNote never give credit Sorry for the grammatical errors and spelling mistakesnSince I am not too educated.

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Is it possible for a nebula to hide a solar system(s) from scientists here on Earth?

Since nebula are clouds of dust and gas that scatter light, most of the sorts of signals which would indicate a star or solar system to astronomers on Earth would be blocked.Only very powerful sources would be able to "punch through" the intervening clouds of dust and gas (much like you might see a street light though a foggy or misty street), but even then the signal would be blurred, attenuated or otherwise distorted.So there could be any number of things hiding in a nebula! Astronomers would be able to infer if there were stars concealed within, as blurry patches of infrared radiation, but very little beyond that with current technology.

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How does a solar garden light work?

Solar Garden Light is a stand alone system which consist of an LED luminaire, battery, PV modules, electronics with inter-connecting wires or cables, a battery box, and the pole and mounting hardware. The solar garden lights are powered by photo voltaic panels generally mounted on the lighting structure or integrated in the pole itself. The Solar Graden/Street Light photo voltaic panels charge a rechargeable battery, which powers a fluorescent or LED lamp during the night. These lights turn on and turn off automatically by sensing outdoor light using a light source. Solar street lights are designed to work throughout the night.There are sevral reason you to chose solar street lights :1. They are indepedent of utility grid which make them cost effective.2. Solar street lights require less maintenance compared to that of conventional street lights.3. Solar street lights are environment-friendly since they eliminate carbon footprints. 4. Easy to carry to remote locations. 5. No need to worry about power cuts as it works on solar energy.6. Less accidents as it doesn't have external wires.You can get more details and procedure of Solar Garden Lights installation from solar energy companies. They will definitely assist you further.

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Development Direction of Solar Street Lamp Manufacturers
Development Direction of Solar Street Lamp Manufacturers
There are many solar street lamp manufacturers. In the face of fierce competition in the industry, solar street lamp manufacturers have to face some problems if they want to develop. If they want customers to find you or patronize you again, the premise is that you are a good manufacturer in all aspects, What kind of development direction should solar street lamp manufacturers have now?If the solar street lamp price has an impact on customers, it can only be that the solar street lamp manufacturer has not really succeeded. Because the price war is never an inevitable factor for the development of manufacturers. Today, you can give customers a very low price and reduce the street lamp price by reducing the Watts actually needed by customers. It may not be guaranteed that another manufacturer will use the same method to reduce the price and attract customers. You are lowering the price, and your opponent is also lowering the price. In this way, long-term development will only hurt both sides.Therefore, the price war is not the correct development direction of solar street lamp manufacturers. The correct direction should be to focus on product production, improve product quality and cost performance, and do a good job in after-sales service at the same time. It's like a 99 yuan smartphone and a Samsung phone with hundreds or even 3000 yuan. There is a big difference in price, but we still choose Samsung phone because of its high brand, good performance and cost performance in all aspects. Therefore, the development direction of solar street lamp manufacturers should not tangle in price, but do a good job in their products and improve their brand.
Industry: LED Industry Reshuffle Through Three Forces
Industry: LED Industry Reshuffle Through Three Forces
The collapse of small and micro led enterprises last year has opened the curtain of the reshuffle of China's LED industry. Since the beginning of this year, three major factors, such as the rising threshold of government procurement, the continuous tide of IPO listing and the introduction of industry standards, will accelerate the process of reshuffle in the LED industry.On March 20 this year, the "2012 financial subsidy promotion project for semiconductor lighting products" organized by the Ministry of finance, the national development and Reform Commission and the Ministry of science and technology held a domestic public bidding in Beijing, involving led downlights and reflective self ballasting LED lights for indoor lighting, LED street lights and led tunnel lights for outdoor lighting, Nearly 300 bidding representatives from 110 enterprises across the country participated in the bidding activities.The national development and Reform Commission made it clear that in 2012, the Chinese government will spend 40 billion yuan on the procurement of LED street lamps and provide 30% financial subsidies to LED street lamp users. Since March this year, all lighting projects and new planning areas invested by the provincial government have used LED electrodeless lamps in the field of public lighting, which is estimated to bring a market of hundreds of billions of yuan.Don't think that the government will "sprinkle pepper" again. An entrepreneur who participated in the bidding on March 20 revealed that the national bidding raised the threshold. For example, products should have energy-saving certification. The province also invited tenders for LED products entering the indoor lighting of public works this year. So far, downlights of 3 enterprises, spotlights of 3 enterprises, bulb lamps of 6 enterprises and fluorescent lamps of 22 enterprises have won the bid.Facing the industry pattern of "small and scattered", the government began to realize that it is necessary to support powerful enterprises to become bigger and stronger.More and more led enterprises are listed, which will become another important force for industry integration. After development in recent years, the total number of Listed Companies in the LED industry has been close to 40, and not a few are lining up for listing. It is expected to produce some industry leaders who can compete with international giants.According to the data of provincial Lighting Appliance Association, from 2010 to now, more than 100 LED projection lamp enterprises have completed the share reform, and the Pearl River delta accounts for 51.5%; The listed led enterprises account for about 61.5%, including Hongli optoelectronics, Zhouming technology, etc; There are also some ready to be listed, such as Shenzhen Jiawei Co., Ltd., which exports solar LED outdoor lights for 1 billion yuan a year, and will be listed soon.After the listing of led enterprises, it is not only conducive to establish their own good brand image in the chaotic market, but also can use capital means to acquire and merge, expand themselves and purify the market. Zhouming technology said that if it encounters a good project, it does not rule out the possibility of acquisition.The third force of integration comes from the continuous improvement of industry standards. The national standardization management committee recently held the first working meeting of the semiconductor lighting standard leading group, involving the national development and Reform Commission, the Ministry of science and technology, the Ministry of industry and information technology, the Ministry of housing and urban rural development, the Ministry of Finance and other departments. This is the first time that the industry has uniformly planned and deployed the semiconductor lighting standardization work at the national level Light source and lamps, lighting application and energy efficiency.The Provincial Department of science and technology will also announce the progress in the formulation of semiconductor lighting standards this week. At present, 130 standard items have been listed, and led enterprises can participate in the revision of industry standards through bidding.It can be predicted that with the gradual improvement of industry standards, the LED metal halide lamp industry will bid farewell to the mixed situation. In the upcoming 12th Five Year Plan for semiconductor lighting, the state pointed out that by 2015, the scale of semiconductor lighting industry will reach 500 billion yuan, and cultivate 20 30 leading enterprises with independent brands and independent intellectual property rights, and 40 50 innovative high-tech enterprises
I Would Like to Ask What Are the Ways to Improve the Brightness of Solar Street Lamps?
I Would Like to Ask What Are the Ways to Improve the Brightness of Solar Street Lamps?
I would like to ask what are the ways to improve the brightness of solar street lamps?1. Determine the brightness of LED solar street lamp before purchaseBefore purchasing solar street lamps, if it is a large number of recycling, the best thing is to choose manufacturers with industrial plants and drive to the processing plant to have a look. If you decide where to buy, you must talk to the other party about the regulations on chromaticity. If you don't have much definition of this chromaticity, you can let the other party make a sample to have a look.If the requirements for chromaticity are very high, the size of LED light source should be larger. Some manufacturers will choose the most suitable scheme for you out of your own consideration. If it is not particularly bright according to your specific situation, you can also listen to the manufacturer's suggestions.2. Lower the LED solar street lamp equipmentIf solar street lamps are to be installed on both sides of the road, we should fully consider whether there are green plants on both sides of the road. Because the solar street lamp is converted into electromagnetic energy by digesting and absorbing solar energy, if something blocks it, the actual effect is undoubtedly impossible to be very good. When such a situation does occur, why not reduce the height of the solar street lamp and not completely cover the solar panel.3. Query LED solar street lamps on timeMany solar street lamp projects are not easy to hold meetings after the equipment is good, which is naturally not very good. Although solar energy does not need maintenance or cleaning by full-time personnel, it must be queried on time. The damaged position should be repaired immediately. If the solar panel has not been removed for a long time, it also needs to be inadvertently scrubbed.
Technicians Tell You: What Is the Construction Scheme of Solar Street Lamps
Technicians Tell You: What Is the Construction Scheme of Solar Street Lamps
Today, solar street lamps not only illuminate the road for people, but also save energy consumption for national energy consumption. They are not only environmental protection products, but also cost saving and contribute to the country.1. Selection of disassembly and assembly location: the disassembly and assembly location shall be near the installation location to facilitate transportation after assembly. In addition, the installation point shall be paved with rainproof cloth to place the wear, scratch and stain caused by the bulge or fine sand and stain on the ground.2. Installation personnel and tools: there are 3-6 professional installation personnel (personnel can be appropriately increased for heavy installation tasks), and each person is equipped with a set of installation tools, including a multimeter, a large movable port (installing anchor nuts) and a small movable port (installing other nuts), a flat screwdriver, a triangular lock tooling, a cross screwdriver and a pointed nose pliers, several rolls of insulating tape and waterproof tape, etc. In addition, there must be a crane and a lift truck.3. Count the lamps according to the delivery list: disassemble and check all parts one by one with reference to the packing list, and check whether there is any damage such as collision, wear, deformation and scratch. The installation of unqualified products is prohibited.4. The lamp pole components and easily worn accessories (components and lamp caps) must be padded with soft pads to avoid unnecessary damage such as scratches during installation.5. When the lower lamp pole assembly is placed, its upper end must be supported by an iron frame to facilitate the installation of the upper lamp pole assembly.1. Assembly of lamp pole assembly: upper lamp pole assembly, lower lamp pole assembly, lamp arm assembly and solar cell assembly fixing structure.A. Install the lamp arm: bind the exposed sheath wire end on the lower lamp pole with thin iron wire and wrap it with black tape: the other end of the thin iron wire passes through the lamp arm assembly; Slowly pull the thin iron wire at the top of the lamp arm assembly so that the thin iron wire with the movable sheath wire passes through the lamp arm assembly. At the same time, the lamp arm assembly gradually approaches the lower lamp pole until the panel on the lamp arm is aligned and close to the lamp arm boss on the lower lamp pole, and then fasten the lamp arm assembly on the lower lamp pole with appropriate bolts; When fixing the lamp arm assembly, avoid squeezing the sheath wire, resulting in damage or even cutting of the sheath wire skin; Disconnect the thin wire from the sheath.B. Installation of lamps (equipped with equal source): close the opened lamps to the upper end of the lamp arm, and the exposed sheath wire passes into the lamps from the tail of the lamps; Pull the sheath wire and insert the lamp into the lamp arm at the same time. The overlapping length of the two is 150mm; Connect the sheath wire to the wiring terminal inside the lamp, and pay attention to the correct positive and negative wiring during wiring. Rotate the lamp with the lamp arm as the neutral so that the lampshade is facing the ground, and then fix the lamp on the arm; Turn off the lights.C. Pole assembly on assembly:1) Fasten the bracket assembly and corner post on the upper lamp post assembly in turn, and the threaded connection parts shall be stressed evenly and fastened; While connecting the support and the angle steel frame, use fine iron wire to lead the sheath wire from the lamp pole to the angle steel frame through the support assembly;2) . place the component guard in the angle steel frame, and then place the component on the guard; When placing the components, the junction box shall be at a high place. When the components are placed horizontally, the junction box shall be close to the light pole assembly;3) . connect the components according to the system voltage and component voltage of the street lamp. If the system voltage of the street lamp is 24V and the component voltage is 17V or 18V, the components shall be connected in series. The series connection mode is that the positive pole (or negative pole) of the first component is connected with the negative pole (or positive pole) of the second component. If the component voltage is 34V, the components shall be connected in parallel, The parallel method is to connect the positive and negative poles of the first component and the positive and negative poles of the second component correspondingly. When connecting, press the small slotted screwdriver to the terminal of the junction box. The red wire is required to connect the positive pole and the blue wire to the negative pole. After wiring, fasten the anti nut at the outlet end of the junction box, and apply 7091 sealing silica gel at the terminal of the junction box, The amount of glue shall be subject to the complete sealing of the incoming line in the junction box, and then the junction box cover shall be fastened without reverse buckle.4) Use a multimeter to detect whether the component wiring (connected to the controller end) is short circuited, and also to detect whether the component output voltage meets the system requirements. In fine weather, the open circuit voltage shall be greater than 18V (system voltage is 12V) or 34V (system voltage is 24V). After installing and testing the components, the power line is connected to the positive pole of the controller end, and the exposed wire core shall be wrapped with insulating tape, which shall be wrapped in two layers;Note: the components shall be handled with care during installation to avoid damage to them by tools and other instruments.5) , components and component supports are fastened with M6 * 20 bolts, N6 nuts and washers 6. During installation, the bolts shall be installed from the outside to the inside, and then the washers shall be sleeved and fastened with nuts. During fastening, the bolt joints shall be firmly connected without looseness.
This Can Be Done When the Solar Street Lamp Cannot Work (I)
This Can Be Done When the Solar Street Lamp Cannot Work (I)
1 Power loss of solar street lamp: the power loss of solar battery is due to the quality problem of the battery itself. The cheapest one is 2-3 yuan 1Ah. Generally, this is not very reliable. Problems continue to occur after using it for about a year. Therefore, to solve this problem, replace the solar battery and replace it with a better manufacturer, If it is a northern city, it should also be noted that the battery must be buried below the frozen soil layer, especially in cold places. Thermal insulation cotton should be added to the battery, because the capacity of solar energy storage battery has a great relationship with the external ambient temperature.2 The LED light source of solar street lamp is not on: it may be the most direct way for the performance of solar street lamp. The solar street lamp system is abnormal, that is, it is not on. One of the reasons why the solar street lamp is not on may also be the problem of LED light source. As a general purchaser, it is difficult to distinguish high-power LED light source. If the solar street lamp is not on, You can simply check the light source by yourself. If the system is small and the system voltage of the light source is 12V or 24V, the conventional configuration is used. The best way to detect the light source is to connect the battery directly to the light source. If the light is on, it proves to be normal.For more questions, please click the right figure to consult online customer service.
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