| 发明名称 |
DIFFERENCE CURRENT PROTECTIVE RELAY SYSTEM |
| 摘要 |
PURPOSE:To reduce input circuit hardware without deteriorating the performance by collectively sampling the data after the propagation time of progressive waves. |
| 申请公布号 |
JPS53139152(A) |
申请公布日期 |
1978.12.05 |
| 申请号 |
JP19770053108 |
申请日期 |
1977.05.11 |
| 申请人 |
HITACHI LTD |
发明人 |
MAKINO JIYUNICHI;MIKI YOSHITERU;MADORI IWAO |
| 分类号 |
H02H3/28 |
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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