Solar power system by solar cells, solar controller, storage battery (group) composition. As the output power of ac 220 V or 110 V, still need to be configured inverter.
The role of each part for:
(1) solar panels: solar panels is solar power system, is also the core part of solar power system for the highest value in the parts. Its role is to convert the sun's radiation ability for power, or sent to store up, or battery push work load.
(2) solar controller: solar controller's role is to control the whole system, and the working state of the battery has been to the charging protection, a discharge protection. In difference in temperature big place, qualified controller also should have the function of temperature compensation. In the solar street lamps in the system, it takes an electric possession in the function, solar street lamps controller;
(3) battery: general for valve control free maintenance lead acid battery, small miniature system, the weather is cold area, the need to configure solar colloid at low temperature storage battery, can use, the efficiency is not be too big effect. Its role is in the lights will be issued when the solar panels of the energy storage, up to the need to be released.
(4) inverter: points square wave and two sine wave of solar energy, direct output are generally 12 VDC, 24 VDC, 48 VDC. For 220 VAC appliances to provide electric energy, will need to solar power system issued by a DC can convert communication power, so need to use the DC-AC inverter.
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