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Types of Solar Energy
First post by: www.batterystores.ca
You may be Laptop Batterywondering how solar energy is created. Well, solar energy is produced by trapping the rays of the sun into solar cells that convert the light into electricity. When solar energy is converted into heat or thermal energy it can be used to heat water in homes, swimming pools and buildings. It could also be used to heat spaces as in greenhouses, homes and other buildings. There are two ways through which solar energy could be converted into electricity.
1. Photovoltaic Energy
The first is through photovoltaic devices also known as PV devices or popularly known as solar cells. They are commonly used to power watches, calculators and also lighted road signs. The photovoltaic cell was discovered in 1954 by researchers working for Bell Telephone. Towards the end of the 1950s, it was used to power space stations belonging to the USA.
The main advantage of a photovoltaic system is that conversion of sunlight to electricity is easyCompaq Armada M700 Battery and direct. There’s no need to install large mechanical generators to get the conversion done. The impact on the environment is also minimal. You don’t even need water to cool the system and no harmful by-products are generated.
2. Solar Thermal Energy
This is a more popular form energy used to heat swimming pools and water in homes. There are two heating systems involved - passive and active. In passive heating, no mechanical device is required to generate heat. Air is circulated via a solar heat surface into a building through convection. On the other hand, an active heating system requires the use of a collector to absorb and keep solar energy. In such systems, circulation is necessary and fans and pumps are used to circulate the heated air.
Solar Energy Power Plants
Such plants are used to generate electricity. They make use of sunlight to heat a kind of fluid that is later turned into steam. The steam is then turned into mechanical energy through the help of a turbine. This energy is then converted to electricity through a generator attached to theCompaq Laptop Battery turbine.
Pros
The main advantage of solar energy is it’s available all the time. In other words, it’s a renewable source of energy. As has been mentioned earlier, it doesn’t harm the environment. It causes no water or air pollution because no hazardous chemical reaction is produced in the process of generating it.
Cons
The sun doesn’t shine every day. When the sun is not shining, no energy is produced. Also, the amount of energy produced on cloudy days or at night is limited. Solar power stations are costly to build. Similarly, installing a solar energy system in your house may burn a hole in your pocket.
Despite these shortfalls, solar energy is still an attractive option for those concerned with safeguarding the environment. One thing is certain – solar energy doesn’t contribute to global warming.
Why would you need a space heater when you already have a central heating system in your house? A central heating IBM FRU 92P1121 Batter system concentrates on the whole house. A space heater concentrates on providing the appropriate heat in a smaller space.
Using a space heater, for one, helps cut down on your heating bill. It is an ideal choice when you need heat only a particular room, especially when you’re alone in your house or when you need additional heat for a sick or immobile person. Also, space heaters would be an ideal replacement for old and inefficient heaters that can be a drain on your energy resources. Another advantage of a space heater is its portability. You can move it to any room with a minimum of fuss.
Heating Options
Generally space heaters use electricity to generate heat. However, gas, oil and solid fuels can also be used. Electricity may cost you more than the other alternatives. However, it has the advantage of not needing venting and it doesn’t emit fumes or hazardous gases. The non-electricity option may be viable if you need to heat a non-residential space like a greenhouse where you may not need additional ventilation. Anyway, if you’re heating your home, go for the electricity option to avoid emitting carbon or other unsafe IBM FRU 92P1125 Battery gases.
Older Space Heaters
If you have an aging space heater, consider replacing it to save on your energy bill in the long run. Some older heaters do not come with a thermostat. That means inefficiency in terms of energy consumption. If your space heater does not have a thermostat, it will continue heating your room even after the desired temperature is reached. So, a space heater with a thermostat will help maintain temperature at a constant level apart from saving energy.
Timer
Another way to save energy is to use the timer feature in your space heater. It could come to your aid just in case you forget to turn the heater off when you don’t need it.
Size
Choose one appropriate for your room size. Buying a large heater for a small room IBM 40Y6793 Battery will lead to unnecessary energy consumption. A good retailer will advise you on a suitable space heater if you provide him your room measurements.
Health and Safety
Portability is a plus when it comes to space heaters. However, this convenience has a downside to it. Because space heaters are not permanently fixed, you’re exposed to the risk of injury or fire. Where you place your heater is very important. If you site it wrongly, it can be knocked over easily especially by children playing near it. Ideally you should place it near a socket outlet, so that you don’t need to have a long cable connecting to it. A long cable running across the room may result in someone tripping over it and bringing down a hot space heater. When shopping for a space heater, always look at the safety features first before worrying about the price.
If you would have to fork out a few extra dollars for a unit that has injury prevention features, go for it provided it saves energy as IBM ThinkPad Z61t Battery well.