发明名称 |
Hybrid solid state/mechanical switch with failure protection |
摘要 |
A hybrid solid state/mechanical switch is provided with a pair of mechanical contacts connected in parallel with a solid state switching device. These components are operated by a control circuit to achieve arcless current interruption under normal conditions. A circuit breaking device, which can be operated by a crowbar circuit, provides failure protection for the hybrid switch if excessive leakage current is detected in the solid state switching device or current continues to flow through the switch at a preselected time following the occurrence of a turn-off command signal.
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申请公布号 |
US4618906(A) |
申请公布日期 |
1986.10.21 |
申请号 |
US19840631357 |
申请日期 |
1984.07.16 |
申请人 |
WESTINGHOUSE ELECTRIC CORP. |
发明人 |
PAICE, DEREK A.;MATTERN, KENNETH E. |
分类号 |
H01H9/54;H02H3/02;(IPC1-7):H02H3/087 |
主分类号 |
H01H9/54 |
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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