Power transmission systems and means for control thereof
US4859925A · kind A · utility
4Cited by
5References
37Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1986 |
| Grant date | Aug 22, 1989 |
| Priority date | — |
| Expiry date | Dec 19, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R15/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In a power distribution system, in order to maximize efficiency and to provide protection in the event of a lightning strike or other transient, a fiber optic drive is utilized to transmit measured parameter signals through a fiber optic link to a control system. The fiber optic drive is powered only in timed, short bursts at ten second to ten minute intervals with a power supply that capacitively draws small amounts of energy over the long intervals and energizes the drive with accumulated high power pulses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.