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TCPCU-1 TCPCU-1
TCPCU-1 TCPCU-1
当Q4获得正常工作电压后,Q4受控起振、振荡器的振荡频率范围为100HZ—500kHZ。振荡脉冲经整形及放大后由Q4⑥脚输出经R4加至开关管Q1的栅极G。控制Q1是处于导通状态还是处于截止状态。当Q4输出的脉冲为上升沿时,Q1处于导通状态,高频变压器B储存能量。当Q4输出的脉冲为下降沿时,Q1处于截止状态,此时高频变压器释放能量,在B的次级多绕组线圈中产生感应电动势。
3 输出电路
输出电路由B的次级绕组线圈⑤—⑥、⑦—⑧、⑨—⑩及T5—T10整流管和各滤波电容组成。
变压器B的次级各绕组线圈产生的感应电压,由整流管整流后,经滤波电容器滤波组输出直流电压。各绕组输出不同值的直流电压供设备负载用。
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