发明名称 |
Digital distance relay. |
摘要 |
<p>In a digital distance relay, the distance measuring operation is performed only regarding phase on duty in the third step if there is no fault, and it is performed regarding either the third and first steps or the third and second steps. Thereby the processing time for the distance measuring operation may be reduced by that corresponding to two steps per sampling.</p> |
申请公布号 |
EP0180955(A1) |
申请公布日期 |
1986.05.14 |
申请号 |
EP19850114029 |
申请日期 |
1985.11.05 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
ISAHAYA, KEIJI MITSUBISHI DENKI K.K. POWER |
分类号 |
H02H3/40;H02H7/26;(IPC1-7):H02H3/38 |
主分类号 |
H02H3/40 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|