发明名称 |
Signal loss detector for three phase circuit |
摘要 |
A three-phase rectifier utilizes three feedback controlled ferroresonant regulators to convert a three-phase signal into a regulated DC voltage. A monitoring circuit is included which responds to a signal loss at any input phase to actuate an alarm signal.
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申请公布号 |
US4159514(A) |
申请公布日期 |
1979.06.26 |
申请号 |
US19770852150 |
申请日期 |
1977.11.16 |
申请人 |
BELL TELEPHONE LABORATORIES INC |
发明人 |
KAKALEC, ROBERT J |
分类号 |
H02H3/253;H02M7/06;(IPC1-7):H02M1/18;H02M7/02 |
主分类号 |
H02H3/253 |
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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