发明名称 |
OPERATION MONITORING SYSTEM FOR AC MOTOR |
摘要 |
PURPOSE:To permit detection of back electromotive force with constant current independently of the rotational frequency in monitoring the operating state of the AC motor through detection of the back electromotive force by inserting a reactor between and a back electromotive force detection circuit and a motor coil lead. |
申请公布号 |
JPS53132730(A) |
申请公布日期 |
1978.11.18 |
申请号 |
JP19770047544 |
申请日期 |
1977.04.25 |
申请人 |
TOKYO SHIBAURA ELECTRIC CO |
发明人 |
SEKI NAGATAKA;ICHIKAWA KOUSAKU |
分类号 |
H02P23/00 |
主分类号 |
H02P23/00 |
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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