| 发明名称 |
MOTOR INSULATION-MONITORING SYSTEM |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a motor insulation-monitoring system for detecting occurrence of interlayer short-circuiting or the like in the winding of a motor before reaching the large-scale burning of the winding. <P>SOLUTION: Failure in the motor is determined based on a change in the specific frequency component of a zero-phase current flowing to the motor. <P>COPYRIGHT: (C)2004,JPO</p> |
| 申请公布号 |
JP2003287557(A) |
申请公布日期 |
2003.10.10 |
| 申请号 |
JP20020088621 |
申请日期 |
2002.03.27 |
| 申请人 |
TOKYO GAS CO LTD |
发明人 |
SAKOU NAOHIRO;YAMASHITA AKIRA |
| 分类号 |
G01R31/02;G01R31/12;G01R31/34;H02H7/08;(IPC1-7):G01R31/02 |
主分类号 |
G01R31/02 |
| 代理机构 |
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