Compensation device and power transmission system using a compen

Details Compensation device and power transmission system using a compen Compensation device and power transmission system using a compen

1998-11-12

2000-06-13

Sterrett, Jeffrey

Electricity: power supply or regulation systems

For reactive power control

Using converter

323210, G05F 170

Patent

active

060753498

ABSTRACT:
The invention relates to a compensator device connected in series to power transmission lines and including at least one compensator unit with a transformerless reactive series compensator. The compensator unit includes an AC switch coupled to output terminals of the series compensator. Furthermore, the invention also relates to such a compensation device including multiple compensator units connected in series at the output terminals and a continuous operation control for selectively controlling the series-connected compensators. With such a compensation device, the transformerless reactive series compensator can be prevented, by the AC switch, from conducting an overcurrent and the main components of the compensation device can be compact.

REFERENCES:
patent: 4219856 (1980-08-01), Danfors et al.
patent: 4434376 (1984-02-01), Hingorani
patent: 4999565 (1991-03-01), Nilsson
patent: 5032738 (1991-07-01), Vithayathil
patent: 5227713 (1993-07-01), Bowler et al.
patent: 5367197 (1994-11-01), Klerfors
patent: 5384528 (1995-01-01), Leowald et al.
patent: 5621305 (1997-04-01), Clark et al.
patent: 5652504 (1997-07-01), Bangerter
patent: 5942880 (1999-08-01), Akamatsu et al.
Stemmler et al., "Transformerless Reactive Series Compensators With Voltage Source Inverters", Proceedings of PCC Nagaoka '97, IEEE May 1997, pp. 197-202.

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