一種晶閘管整流器全關(guān)斷檢測(cè)電路
作者:徐偉東 宣偉民 王英翹 上傳時(shí)間:2005/10/12 16:28:09
摘要:本文提出并介紹了歐姆邏輯無環(huán)流檢測(cè)的一種方案---晶閘管整流器全關(guān)斷檢測(cè),并與軟件檢測(cè)和電流互感器檢測(cè)進(jìn)行比較分析,最終得出晶閘管全關(guān)斷檢測(cè)方案是準(zhǔn)確可行的方案。全關(guān)斷的輸出信號(hào)與上述兩種信號(hào)進(jìn)行綜合利用,從而準(zhǔn)確可靠地實(shí)現(xiàn)了歐姆的邏輯無環(huán)流控制。
敘詞:無環(huán)流;全關(guān)斷檢測(cè);軟件檢測(cè);電流互感器檢測(cè)
Abstract:A new method of detecting whether the possive converter of the HL-2A Ohmic heating power supply is closed thoroughly has been presented in this paper. It is based on detecting the voltages over all the arms of that converter. Comparing with methods of current detections by means of software and current transformer, this one is safe and doable. With synthesizing all the signals from the three detectors, the OH power supply system works successfully in without circulating current mode.
Keyword:operation without circulating current;all-turnoff detection;software detection;current transformer detection
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