发明名称 |
Power backup in a drive unit for a circuit breaker, and a circuit breaker |
摘要 |
The invention relates to a drive unit (11) for a circuit breaker (10). The drive unit comprises a control unit (17) for controlling opening and closing operations of the circuit breaker. The drive unit is characterised in that it comprises a separate power backup unit (19) for providing power backup to the control unit during a power failure. |
申请公布号 |
EP1986302(A1) |
申请公布日期 |
2008.10.29 |
申请号 |
EP20070445016 |
申请日期 |
2007.04.25 |
申请人 |
ABB TECHNOLOGY AG |
发明人 |
BLOM, JOHAN;TENZELIUS, ALEXANDER |
分类号 |
H02H1/06;H01H33/42 |
主分类号 |
H02H1/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|