System and method for providing harmonic currents to a harmonic generating load connected to a power system
US5656924A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1995 |
| Grant date | Aug 12, 1997 |
| Priority date | — |
| Expiry date | Sep 27, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E40/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system and method for providing harmonic currents to a harmonic generating load connected to a multiphase alternating current power system includes a zig-zag transformer and a current generator. The zig-zag transformer is electrically connected to the multiphase alternating current power system. The current generator is electrically connected between a neutral of the zig-zag transformer and a neutral return path of the multiphase alternating current power system. The current generator injects a harmonic current into the neutral of the zig-zag transformer which in turn, reduces the harmonic currents provided to the load from the multiphase alternating current power system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.