Solar Power Electricity:
Solar power electricity can also be called as solar photovoltaic (PV) systems. It strikes into the same abundant and free energy resource as solar thermal technology. PV cells consist of semiconductor materials that convert sunlight into electrical energy thorough the photovoltaic process. On their own, the voltage and current level produced by individual cells are not particularly useful, but when many cells are connected together to form modules (panels), more practical energy can be produced. We call this energy as Solar Power electricity.
Various materials and technologies exist for solar power electricity, all have their own specific characteristics, advantages and disadvantages, and lot of it varies from consumer to consumer based on their preference and requirement. Despite the fact that they cost more than the other renewable energy sources, they actually offset the most expensive energy bought and used in home electricity. Beside the rise up of electricity prices solar power electricity has become more attractive more domestic consumers.
Solar power electricity lacks any mechanical components, it is silent in operation and highly reliable. It has no moving parts so it works perfectly well without any need for maintenance. The modular nature of PV allows for system design and rating to be amended at any time easily. Additionally, PV can be integrated into the fabric of the building as well as being mounted on the roof, or into a specially design frame. PV produces on-site electricity, bypass all the losses associated with electrical transmission over the national grid and saves hundreds of kilograms of carbon emissions per year in the process.
A well designed system in a suitable location should produce between 700 and 850 kWh of electricity per year. Solar power electricity system of 1.5 and 2.5kWp could generate fifty percent of the electricity requirements for an average home. This adds to its attraction because this is the world of less expenditure and more production, and merely Solar Power Electricity totally satisfies the need of the day.
pratibha
http://www.articlesbase.com/home-improvement-articles/solar-power-electricity-678184.html
Filed under: generate solar power
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How can I produce a 60-70 kilowatts electricity from solar power? if yes, how can I do it?
I want to use solar power to run my home appliances, lights, fans…. I want to produce a 60-70 kilowatts electricity power (per day) from solar power. How can I do it? What do I need to do it?
Please let me know step by step instructions, or details/links.
thanks
First get out your calculator. Looking at a little panel (just under 9 inches square) at
http://www.batterystuff.com/solar-chargers/SP-5.html
this will give out 5 watts. For 60 kW, you will need 60000 / 5 = 12000 of these, covering an area of 6750 square feet or 750 square yards. Not many people have a roof that size facing the sun. Perhaps you mean 60 kilowatt-hours through the day. Then, of course, the sun is up for only part of the day, so you will have perhaps 8 hours to generate the daily requirement at 60000 / 8 = 7500 watt output, needing an area of only 840 square feet, still big but now manageable. You need to generate more than you need in the daytime to store some of the electricity for night-time use. The only practical form of storage is batteries. A big car battery is rated at 12V 100 ampere-hours, equivalent to 1.2 kWhr, so you will need about 40 of those for your evening and night consumption. After that you need an inverter, which turns the DC produced by the solar panels and stored by the batteries into AC mains voltage to power all your domestic equipment. The inverter is not 100% efficient and the sun is often obscured by cloud and rain, so you might start by doubling all these dimensions. This is going to be a very expensive exercise.
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kilowatts per day is meaningless. Watts or kilowatts are a unit power, the RATE of energy generation or usage.
That is a huge amount of power. The average US home uses 1.2 kW, so this is enough for 50 homes. This will cost you several $100k.
Pin down the following:
amount of power you need, on the average?
energy storage or grid tie?
if energy storage, how long do you need to supply power when the sun is not out. This can be very expensive for more than a few hours, which is why grid tie is popular.
Where you are located
How many hours of bright sunlight per day can you expect? winter? summer?
Do you have a roof with an unshaded sunlight on it. How big an area? Shade can make the entire panel have reduced output.
.
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I assume you mean 60-70 kilowatt-hours. To average that amount of energy, you’d need a 10 kW solar array where I live, larger is most of the USA. That’s really at the high end of what people put up, unless they’re very well off.
The best way to get an accurate estimate for your neesd is to contact a solar installer in your area. Look in an old-style phone book under "solar" and arrange for a free quote. Then you can decide whether you want to go ahead or not. The costs will likely be in the tens of thousands of dollars.
If you want to see what we did, you can email me through my profile. However, our system is considerably more modest than the specs you propose. The usual strategy is to get your house’s energy usage down by conservation, insulation, and efficiency, first, then go for a much smaller solar installation.
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fo that, u need to cover a larger portion of ur land with the panel….
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