It can provide complete square wave in the transformer, which can provide a simple self-driving method for synchronous rectifier.
同时变压器上是完整的方波，可以给同步整流提供简单有效的自驱动方案。
At the same time, before the diode bridge rectifier it USES filter circuit with a simple harmonic suppression which can not fulfil the complete harmonic suppression.
同时在二极管整流桥前用简单滤波电路抑制谐波造成谐波抑制不彻底。
A 150a DC TIG welding machine is developed, using specially designed thyristor rectifier and IC control circuit, which is simple, reliable and of high quality.
研制了一种150a直流tig焊机，采用特殊的晶闸管主电路和集成电路控制技术，具有简单、可靠和高性能的特点。
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