发明名称 |
PROTECTIVE RELAY APPARATUS |
摘要 |
<p>17 A protective relay system for providing pilot protection for two and three terminal alternating current transmission lines, which system does not require a continuous metallic circuit between the relaying points. The evaluation circuit develops operating and restraining quantities, modified by a predetermined constant which determines the operating characteristic of the relay system.</p> |
申请公布号 |
CA1198201(A) |
申请公布日期 |
1985.12.17 |
申请号 |
CA19830418887 |
申请日期 |
1983.01.05 |
申请人 |
WESTINGHOUSE ELECTRIC CORPORATION |
发明人 |
RAY, ROGER E. |
分类号 |
H02H3/28;H02H3/30;H02H7/26;(IPC1-7):H02H3/30 |
主分类号 |
H02H3/28 |
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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