Why Home Solar Power Systems Make A Practical Solar Energy House
Home micro generation systems are an investment that not only benefits you, but the environment around you as well. But, how does the system actually work and what are its components ? A home solar power system has four components : photovoltaic panels, charging controller, battery pack and an inverter.
Natural energy solutions from the sun is absorbed by the photovoltaic panels, which modify it into electricity. The charging controller gets the electricity from the panels and it holds the battery pack on full but does not overburden it. The inverter receives the electricity from the battery pack and transform the DC voltage to household AC at 120 volts and 60 hertz.
What are the Components ?
Photovoltaic panel
The price of a solar panel depends on its wattage. The higher the wattage the more you have to pay for the panel. Majority of the manufactures provide the wattage in terms of peak sun hours. The hours in which the sun is exactly overhead and shining straight on the photovoltaic panel are called the peak sun hours.
Charging controller
Charging controller plays a key role in the home solar power system. It provides electricity from the panels to the batteries and prevents over charging of the battery pack.
It also stops the electricity from coming back to the panels when it’s cloudy or dark.
Solar panels should never be connected to the battery pack without using a charging controller because this can cause constant damage to the batteries and they’ll possibly explode.
Battery pack
The battery pack usually consists of lead acid batteries and it store electricity generated by the solar panels throughout the day. The kept electricity is used when sunlight is not present.
The batteries used with home solar power systems need to be deep cycle. Deep cycle batteries discharge to almost empty and slowly recharge. They are designed to manipulate this cycle thousands of times before the battery is worn out. Car batteries do not work in the same way and they cannot be used in place of deep cycle batteries.
Inverter
An inverter’s function is to convert DC electricity kept in the battery pack into 120V AC. Apart from a few things like stove, oven, air conditioner and dryer, everything else runs on 120V.
There are two basic sorts of inverters sine wave and modified sine wave. The electricity that we get from the grid is sine wave. Modified sine wave is also known as a square wave and it is more energy efficient than the sine wave inverter. Modified sine wave inverters will operate with majority of the household devices. However , the efficacy will be lesser than sine wave.
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