Control and self-monitoring system, in particular for a multipole electrical apparatus such as a high tension circuit breaker
US5384678A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1993 |
| Grant date | Jan 24, 1995 |
| Priority date | — |
| Expiry date | Jun 8, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/222
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Control and self-monitoring system for an electrical apparatus comprising three poles, each including a closing coil and an opening coil, an opened auxiliary contact, and a closed auxiliary contact, wherein each of the poles is provided with a microprocessor receiving, in particular, information from the opened auxiliary contacts and controlling two static relays in series respectively with the circuit of the opening coil and in the circuit of the closing coil, the microprocessors being subscribers to a local bus comprising a serial bus under the control of a management member and connected to a processor station receiving the signals collected by the microprocessors and the signals issued by the protection devices or by the operator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.