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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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