System for powering auxiliary equipment in a remotely-powered pumping station
US5923136A · kind A · utility
6Cited by
16References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 6, 1997 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Aug 6, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J11/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A transformer has its primary windings connected in series with the pumping motor and has secondary windings powering in cascade a rectifier and a voltage limiter regulating the voltage supplied to the auxiliary equipment by diverting excess current supplied by said secondary windings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.