发明名称 |
D-C MOTOR FLASHOVER PROTECTION |
摘要 |
<p>A method and apparatus for detecting and correcting the occurrence of flashover in a direct current electric motor. The polarity and magnitude of voltage on the field winding of the motor is continuously monitored. Detection of a sudden reversal of the polarity of the field voltage accompanied by a rapid increase in magnitude results in the generation of a flashover signal. The flashover signal is coupled to power controlling elements regulating power supplied to the motor and is effective to force removal of power from the motor. In a preferred embodiment the appartus is disclosed in a two-motor system with two field windings serially connected such that the field voltage monitoring is accomplished on a differential basis.</p> |
申请公布号 |
CA1099376(A) |
申请公布日期 |
1981.04.14 |
申请号 |
CA19770293138 |
申请日期 |
1977.12.15 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
STITT, THOMAS D.;WILLIAMSON, DENNIS F. |
分类号 |
H02H7/08;(IPC1-7):05D1/00 |
主分类号 |
H02H7/08 |
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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