Current and/or voltage detector for a distribution system
US4999571A · kind A · utility
23Cited by
9References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 20, 1989 |
| Grant date | Mar 12, 1991 |
| Priority date | — |
| Expiry date | Apr 20, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R15/142
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A current and voltage detector for a distribution system is provided with a lower section, an upper section and a fastener for combining the lower and upper sections into one body. The lower section comprises: a first groove for receiving an electric wire of the distribution system; an optical type current sensor; an optical type voltage sensor; and a potential divider for supplying a voltage to the voltage sensor. The upper section comprises: a second groove for receiving the electric wire; and a U-shaped magnetic core for applying a magnetic field to the current sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.