发明名称 DIFFERENTIAL CURRENT TRANSFORMER FOR USE IN AC CONTROL SYSTEM
摘要 <p>PURPOSE:To achieve better reliability with fewer circuit components by allowing the current through each of the switching elements coupled in an anti-parallel connection to flow through respective primary windings of a differential current transformer in which said primary windings being excited in the same direction.</p>
申请公布号 JPS53147228(A) 申请公布日期 1978.12.21
申请号 JP19770061197 申请日期 1977.05.27
申请人 HITACHI LTD 发明人 HATAKEYAMA KEISHIN;SHIMA KIYOYA
分类号 H01F19/00;G05F1/10;H01F38/28;H02M7/155 主分类号 H01F19/00
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