Electricity: power supply or regulation systems – For reactive power control – Using converter
Patent
1998-12-08
2000-05-02
Sterrett, Jeffrey
Electricity: power supply or regulation systems
For reactive power control
Using converter
323210, G05F 170
Patent
active
060576731
ABSTRACT:
A compensation device connected in series with power transmission lines having at least one circuit breaker and including at least one compensator unit with a transformerless reactive series compensator having a DC capacitor and a single-phase inverter. A pre-charger pre-charges the DC capacitor of at least one compensator unit. The pre-charger may decouple the DC capacitor from the power transmission lines during pre-charging. The pre-charger may include an AC switch and an AC switch controller opening the AC switch for a time interval (alfa) after a zero-crossing of the line current.
REFERENCES:
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: 5805437 (1998-09-01), Gruning
patent: 5942880 (1999-08-01), Akamatsu et al.
Stemmler et al.; "Transformerless Reactive Series Compensators With Voltage Source Inverters"; Proceedings of the PCC, Nagaoka, May 1997, pp. 197-202.
Ortmeyer et al., "Continuously Regulated Series Capacitor", IEEE Transactions on Power Delivery, vol. 8, No. 3, Jul. 1993, pp. 1348-1355.
Mitsubishi Denki & Kabushiki Kaisha
Sterrett Jeffrey
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