发明名称 Current-voltage transformer for electronic house-service meter
摘要 The current transformer of an electronic house-service meter has a ferromagnetic core which, except for an air gap, is closed. A measuring coil is inserted in the air gap and is fastened, and dimensioned so that it lies within the cross sectional area of the core.
申请公布号 US5177433(A) 申请公布日期 1993.01.05
申请号 US19910643787 申请日期 1991.01.18
申请人 SIEMENS AKTIENGESELLSCHAFT 发明人 SCHWENDTNER, MANFRED;STEINMUELLER, GUENTER;DOHMSTREICH, WOLFGANG
分类号 G01R11/06;G01R15/18;H01F38/30 主分类号 G01R11/06
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