发明名称 |
ELECTRIC CURRENT MEASURING DEVICE, CURRENT SENSOR, ELECTRIC TRIP UNIT AND BREAKING DEVICE COMPRISING SUCH A MEASURING DEVICE |
摘要 |
The Rogowski type current measuring device comprises at feast three coils ( 2) electrically connected in series and forming a closed polygonal outline designed to surround a conductor (7) to perform current measurement. The local inductanc e of at least one of the ends (A) of said coils (2) is greater than the local inductance towards the central part (B) of said coils.
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申请公布号 |
CA2504229(A1) |
申请公布日期 |
2005.11.13 |
申请号 |
CA20052504229 |
申请日期 |
2005.04.11 |
申请人 |
SCHNEIDER ELECTRIC INDUSTRIES SAS |
发明人 |
TOTI-BUTTIN, FREDERIC;BUDILLON, GILLES;BUFFAT, SEBASTIEN;HOUBRE, PASCAL |
分类号 |
G01R15/18;(IPC1-7):G01R19/00;H02H3/08 |
主分类号 |
G01R15/18 |
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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