The new trend of development of the solar battery -Power Kingdom

by:Power Kingdom     2020-08-25
Developing new energy is the trend of The Times, solar battery will be rapid development, photovoltaic power generation system with low conversion efficiency, high cost, and the lack of corresponding encourage the development of laws and regulations, a slower development of photovoltaic system photovoltaic system consists of solar battery phalanx, battery, charge and discharge controller, inverter and other equipment. The effect of each part of its equipment is: ( 1) Solar battery square: in a light case, battery absorb light energy, appear different on both ends of the battery charge accumulation, which produce & quot; Photoproduction voltage & quot; , this is & quot; Photovoltaic effect & quot; 。 Under the action of photovoltaic effect, produces electromotive force on both ends of the solar cell, convert light energy into electrical energy, is energy conversion device. Solar cells are generally made from silicon, divided into monocrystalline silicon solar cells, polycrystalline silicon solar cells and amorphous silicon solar cells. ( 2) Battery: its function is to store electrical energy from the solar cell phalanx, when light and can supply power to load at any time. ( 3) Controller: automatic control power of choice, choose between grid, solar power, storage battery electric, recharging the battery. ( 4) Inverter: is to convert direct current (dc) to alternating current (ac) devices. Solar battery consistency of each monomer battery: the consistency of the mentioned here is not only refers to the open circuit voltage of battery, initial capacity, also including the battery internal resistance, self-discharge, and charging efficiency, this requires sufficient manufacturing accuracy, that is, from lead powder, casting slice, and cream, smear, curing, into, dry assembly, adding acid, charging to the final four functional testing must be controlled in smaller tolerance range, so the solar energy battery using machine casting, coating, assembling machine assembly and precise injection acid is to ensure the reliable guarantee of consistency, the battery to minimize the human factor.
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