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Charger for Motor Vehicle Storage Battery (the 1st)

2016-05-10 07:07  
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Work of the circuit The circuit consists of resistor R1, R2, stabilization diode VS and so on. (It is showed in picture 7-146.) The AC voltage of the farm motor is rectified by UR. It then turns into AC voltage. The voltage is put on VT1 and VT2. When the pressure of GB is too low the pulse voltage is adjusted by R1 and VS. It supplies trigger voltage to VT1 to make VT1 trigged. When VT1 is transmitted the +V voltage is adjusted by R1 and VS. And VT2 is trigged too. The +V voltage charges GB through VT2. The voltage on GB is large enough and the charging stops.