Electric power distribution system with automatic protection breakers and related method
US5905615A · kind A · utility
17Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1997 |
| Grant date | May 18, 1999 |
| Priority date | — |
| Expiry date | Oct 23, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/44
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric power distribution system having a number of automatic protection breakers distributed on various levels is disclosed herein. Each protection breaker includes an electronic protection unit to open the breaker, which is controlled based on the amount of current flowing through the breaker and its derivative. Each of the breakers is preferably connected in order to exchange information concerning their respective status. Also disclosed herein is method for controlling the intervention sequence of the mutually interlocked breakers, in which a breaker reports a detected fault condition to its next higher level breaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.