What is Soalr Light lamp ???

A solar lamp is a light fixture composed of an LED lamp, a photovoltaic solar panel, and a rechargeable battery. Outdoor lamps may have a lamp, solar panel and battery integrated , solar water heater dealers in chennai   in one unit. Indoor solar lamps, also referred to as shaftless skylights or tubeless skylights, have separately-mounted solar panels and are used for general illumination where centrally , solar water heater dealers in chennai 

generated power is not conveniently or economically available. 

Solar-powered household lighting may displace light sources such as kerosene lamps, saving money for the user, and reducing fire and pollution hazards.

Solar lamps recharge during the day. Automatic outdoor lamps turn on at dusk and remain illuminated overnight,  , solar water heater dealers in chennai   depending on how much sunlight they receive during the day. Indoor solar lamps may or may not store power.

Solar garden lights are used for decoration, and come in a wide variety of designs. They are sometimes holiday-themed and may come in animal shapes. They are frequently used to mark , solar water heater dealers in chennai   footpaths or the areas around swimming pools. Some solar lights do not provide as much light as a line-powered lighting system, but they are easily installed and maintained, and provide a cheaper alternative to wired lamps.

Solar street lights provide public lighting without use of an electrical grid; they may have individual panels for each , solar water heater dealers in chennai   lamp of a system, or may have a large central solar panel and battery bank to power multiple lamps.

To reduce the overall cost of a solar lighting system, energy saving lamps of either the fluorescent or LED lamp type , solar water heater dealers in chennai  are used, since incandescent bulbs consume several times as much energy for a given quantity of light.

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How Solar air Conditioning works ????

The important idea, though, is that solar energy solar water heater dealers in chennai  can be used to provide a portion of this temperature increase, reducing the compressor’s workload and allowing the compressor to consume less electricity.

The idea that a very hot solar collector  solar water heater dealers in chennai  can help an air conditioner cool more efficiently can be confusing. In order to understand how solar air conditioning can save so much energy, it helps to first have a basic understanding of how conventional air conditioners work.

How solar energy helps

We can send the refrigerant through a solar energy collector before the fluid reaches the compressor, and solar energy solar water heater dealers in chennai  can do a portion of the work—heating up the refrigerant—that would normally be accomplished by the compressor. This allows the compressor to run less, or to operate at a lower speed, and thus use less electrical energy. You can click on the image at right to see a larger diagram and explanation of this process.

Dumping the heat outdoors

The very hot refrigerant gas leaving the compressor flows into another coil called the condenser coil. This coil looks and behaves very much like a car radiator, radiating heat from the hot refrigerant into the outside air as a fan pulls outside air across the coil. The condenser  solar water heater dealers in chennai  coil gets its name from the fact that the refrigerant gas condenses back into a liquid as it gives up heat to the outside air. You can easily verify that heat is solar water heater dealers in chennai  being dumped into the outside air by placing your hand into the exhaust air flow of the condenser fan. This exhaust air should be hotter than the surrounding air—even on a 95°F summer day.

Completing the cycle

The refrigerant cools as it moves through the condenser coil, down to perhaps 85–110°F. We employ another physics trick to get the refrigerant back into the 20–40°F range necessary for cooling. Just as compressing the refrigerant increases its temperature, solar water heater dealers in chennai  allowing the refrigerant to expand will cause its temperature to fall. This is accomplished by forcing the refrigerant through a tiny opening—aptly named an expansion valve—that allows the fluid’s pressure and temperature to fall substantially as it emerges  solar water heater dealers in chennai  from the tiny passage.

With the refrigerant cooled back down to 20–40°F, the cycle repeats.

Air conditioners also control humidity.

Humidity is water vapor in the air. Humidity makes people uncomfortable because as the moisture content of air increases, it becomes increasingly difficult for sweat—the body’s built-in cooling solar water heater dealers in chennai  mechanism—to evaporate from the skin. The clammy or sticky feeling you experience during hot, humid weather is caused by sweat on your skin that cannot evaporate.

Central air conditioning systems dehumidify indoor air by the same principle that causes moisture to form on the surface of a glass of iced tea on a hot summer day. As air in solar water heater dealers in chennai  contact with the glass cools, the air falls below the minimum temperature necessary to hold water as a vapor. As a result, water vapor in the air condenses on the glass surface.

Similarly, warmer house air cools as it passes over the very cold evaporator coil in the air handler, solar water heater dealers in chennai  losing the ability to hold water as a vapor. As a result, water vapor in the air condenses on the outer surfaces of the evaporator coil.

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Is solar water heating right for your home?

Things to consider

Do you have a sunny place to put solar panels? 

You'll need around five square metres of roof space which faces East to West through South and receives direct sunlight solar water heater dealers in chennai for the main part of the day. The panels don't have to be mounted on a roof however. They can be fixed to a frame on a flat roof or hang from a wall.

Do you have space for a larger, or an extra, hot water cylinder?

If a dedicated solar cylinder is not already installed then you will usually need to replace the existing cylinder, or add a dedicated solar water heater dealers in chennai cylinder with a solar heating coil.

Is your current boiler compatible with solar water heating? 

Most conventional boiler and hot water cylinder systems are compatible with solar water heating. If your boiler is a  solar water heater dealers in chennai combination boiler (combi) and you don't currently have a hot water tank, a solar hot water system may not be compatible.

A competent accredited  solar water heater dealers in chennai installer will be able to assess your home and help you choose the best setup to meet your needs.

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Need for solar water heater

Hot water throughout the year. The system works all year round, though you'll need to heat the water solar water heater dealers in chennai  further with a boiler or immersion heater during the winter months.

Reduced energy bills. Sunlight is free, so once you've paid for the initial installation your hot water costs will be reduced.

Lower carbon footprint. Solar hot water is a green, renewable heating system and can reduce your carbon dioxide emissions.

How do solar water heating systems work?

Solar water heating systems use solar panels, called collectors, fitted to your roof. These collect heat from solar water heater dealers in chennai   the sun and use it to heat up water which is stored in a hot water cylinder. A boiler or immersion  solar water heater dealers in chennai   heater can be used as a back-up to heat the water further to reach the temperature you want.

There are two types of solar water heating panels:

Evacuated tubes

Flat plate collectors, which can  solar water heater dealers in chennai   be fixed on the roof tiles or integrated into the roof.

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What is Solar water heating ???

Solar water heating (SWH) is the conversion of sunlight into renewable energy for water heating solar water heater dealers in chennai using a solar thermal collector. Solar water heating systems comprise various technologies that are used worldwide increasingly.

In a "close-coupled" SWH system the storage tank is horizontally mounted immediately above the solar collectors solar water heater dealers in chennai  on the roof. No pumping is required as the hot water naturally rises into the tank through thermosiphon flow. In a "pump-circulated" system the storage tank is ground- or floor-mounted and is below the level of the collectors; a circulating pump moves solar water heater dealers in chennai  water or heat transfer fluid between the tank and the collectors.

SWH systems are designed to deliver hot water for most of the year. However, in winter there sometimes  solar water heater dealers in chennai  may not be sufficient solar heat gain to deliver sufficient hot water. In this case a gas or electric booster is used to heat the water

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India Eyes 100 GW Solar Power Capacity By 2022

 We have reported recently that India has hiked its solar power capacity target by five times and seeks to install 100 GW capacity by 2022, we’ll now consider some of the  solar water heater dealers in chennai aspects of this enormous target.

India’s recently announced target to install 100 GW solar power capacity by 2022 could make it one of the largest solar power markets in the world and put it in direct competition with China, which has also announced a target to achieve an installed solar power solar water heater dealers in chennai  capacity of 100 GW by 2020. Essentially, India wants to do in five years what China plans to do in 10 years! While many believed that the initial target of 22 GW by 2022 would be difficult to achieve, there is an increased optimism regarding the new target. So what has changed?

A simple answer to that question is, the government. Following the world’s largest democratic elections earlier this year, the man who pioneered solar power in India ascended solar water heater dealers in chennai to the post of Prime Minister of India. Narendra Modi previously initiated the Gujarat solar power policy that attracted some of the leading global solar power companies solar water heater dealers in chennai  to the Indian state. The policy led to Gujarat becoming the leading state in India in terms of installed solar power capacity, an achievement it has consistently maintained for the last five years.

Narendra Modi was clear from the word go that his government would significantly enhance the National Solar Mission. He has solar water heater dealers in chennai  taken several measures to ensure that significant demand is generated and hurdles in investments are removed.

The Prime Minister has promised access to electricity for every household in the country by the end of the decade. India already has an installed capacity of 250 GW, dominated by fossil fuels, the  solar water heater dealers in chennai additional electricity demand creates a massive opportunity for renewable energy resources.

The Solar Energy Corporation of India has already increased the solar power capacity it plans to auction and get installed over the next three to four years. The additional capacity is  solar water heater dealers in chennai expected to come from state solar power policies. The recent state solar power auctions have attracted active participation from global leaders including First Solar and SunEdison.

The government is set to push for ultra mega solar power projects with capacities of up to 4 GW. A number solar water heater dealers in chennai  of such projects are currently in various stages of development.

On the other side of the project size spectrum, things are looking good too. Small-scale projects that would cover thousands of kilometres of canals and millions of roofs are also  solar water heater dealers in chennai catching up fast. State governments are trying to emulate the success achieved by Gujarat under Narendra Modi while he was the chief minister. A number of states are considering implementation of net-metering regulations to increase adoption rates in the domestic sector.

While policies and regulations are in place and the industry is also responding positively to the increased solar water heater dealers in chennai  installation targets, whether the 100 GW target will be achieved or not would also depend on the removal of bureaucratic hurdles, availability of low-cost and sustained finance, and attractive tariffs.

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History of Solar Energy

First solar collector created by Swiss scientist named Horace-Benedict de Saussure in 1767  he take an insulated box enclosed with three layers of glass which suck up heat energy solar water heater dealers in chennai. After that Saussure’s box became famous and widely known as the first solar oven, getting temperatures of 230 degrees Fahrenheit. After that in 1839 a most important landmark in the progression of solar energy occurs with the significant of the photovoltaic effect by a French scientist Edmond Becquerel.

 In this he used two electrodes placed in an electrolyte and then exposing it to the light and results is tremendous electricity solar water heater dealers in chennai increased a lot. . After that lots of experiment are occurred by various scientists at time to time and modified our solar energy system solar water heater dealers in chennai to produce more electricity from solar energy. But now a day’s also in this field various experiments are doing by a scientist, how to utilize maximum solar energy which is available on the earth.

In 1873, Willoughby Smith discovered photoconductivity of a material known as selenium. In 1887 there was the discovery of the ultraviolet ray capacity to cause a spark jump between two electrodes and this was done by Heinrich Hertz. In 1891 the first solar heater  solar water heater dealers in chennai was created. In 1893 the first solar cell was introduced. In 1908 William J. Baileys invented a copper collector which was constructed using copper coils and boxes. In 1958, solar energy was used in space. In the 1970′s, Exxon Corporation designed an efficient solar panel which was less costly to manufacture.

 Less cost manufacturing process of solar panel became the major solar water heater dealers in chennai milestone in the history of solar energy. In 1977 the US government embraced the use of solar energy by launching the Solar Energy Research Institute. In 1981, Paul Macready produced the first solar powered aircraft. in the year 1982 there was the development of the first solar  solar water heater dealers in chennaipowered cars in Australia.

 In 1999 the largest plant was developed producing more than 20 kilowatts.

In 1999, the most proficient solar cell was developed with a photovoltaic efficiency of 36 percent, now a day we produce 200 megawatts to 600 megawatts electricity from solar energy solar water heater dealers in chennai like in India’s Gujarat Solar Park, a compilation of solar farms spotted around the Gujarat region, show a mutual installed capacity of 605 megawatts and Golmud Solar Park in China, with an installed capacity of 200 megawatts.

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