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KGC充电器属于半桥式整流蓄电池启动和他励式开关电源。电路如图1所示。该电路主要由市电整流、滤波电路,开关变压器T1、T2、T3,开关管VTl、VT2,PWM脉宽调整IC2(SG3524),充电控制器ICl(LM324)等部分组成。1.市电整流、滤波电路市电交流220V经FU(熔断器)→R1(压敏电阻)→
KGC charger belongs to the half-bridge rectifier battery starter and his excitation switch power supply. Circuit shown in Figure 1. The circuit is mainly composed of mains rectifier, filter circuit, switching transformer T1, T2, T3, switch VT1, VT2, PWM pulse width adjustment IC2 (SG3524), charge controller ICl (LM324) and other components. 1. Mains rectifier, filter circuit Mains AC 220V by FU (fuse) → R1 (varistor) →