Reactive energy compensator and associated method for balancing half-bus voltages
US8912767B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2013 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Apr 3, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E40/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A reactive energy compensator that can be electrically connected to an AC electrical network, including at least one input direct voltage bus, at least one voltage inverter including switches and first and second capacitors having first and second voltages at their terminals, control means for the switches, including computation means capable of generating a target control current, means for combining the target control current and the output current from the inverter, means for transmitting a control signal capable of driving the switches, and correction means for the control signals of the switches, the correction means being capable of adding a balancing current to the target control current, the balancing current being able to correct the target control current so as to reduce the difference between the values of the first and second voltages, the target control current being increased for an even harmonic of the network frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.