| 发明名称 |
PHASE COMPARISON SYSTEM CARRY PROTECTION RELAY |
| 摘要 |
PURPOSE:To form a phase comparison type carry protection relay which compares the polarities in electrical amounts on both terminal ends of a power system and judges whether a failures occurs in its protection area or not. |
| 申请公布号 |
JPS52139934(A) |
申请公布日期 |
1977.11.22 |
| 申请号 |
JP19760057463 |
申请日期 |
1976.05.18 |
| 申请人 |
MITSUBISHI ELECTRIC CORP |
发明人 |
NAKAMURA KATSUMI;AZUMA SHINICHI |
| 分类号 |
H02H3/26;H02H3/28 |
主分类号 |
H02H3/26 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
