Electricity: power supply or regulation systems – For reactive power control – Using converter
Patent
1998-04-13
2000-02-08
Wong, Peter S.
Electricity: power supply or regulation systems
For reactive power control
Using converter
323201, 307 67, G05F 170, H02J 908
Patent
active
060231521
ABSTRACT:
In order to provide a system for stabilizing a power supply system comprising a choke, which connects the power supply system to a mains power feed, a converter system connected to the power supply system and having a converter machine with a rotor and at least one three-phase winding, which is in a position to stabilize the voltage in the power supply system to a specific value it is suggested that the converter system comprise a flywheel storage means with a synchronous machine and a flywheel coupled thereto, that the converter system have a static converter system, with which the flywheel storage means can be coupled to the converter machine such that the flywheel storage means can draw power from the converter machine or supply power to it, and that a control be provided which detects the voltage of the power supply system and controls the static converter system such that the converter machine stabilizes the voltage of the power supply system to a predeterminable value by drawing or supplying power.
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Sachs, K. et al., "Univers im Uniblock," EET, pp. 16-25, Jun., 1989.
Sachs, K., "Neue USV-Generation," etz, Bd. 112, Heft 20, pp. 1102-1107, 1991.
Offringa, Lodewijk Jacob Jan, "Electronic Power Converter for A Flywheel Unit with a Synchronous Electrical Permanent Magnet Machine", Thesis, Dec. 2, 1991.
Bouwknegt, K. "The Line-interactive Concept, an Optimal Aproach to UPS", Telescon '94, The First International Telecommunications Energy Special Conference, Apr. 11-15, 1994, Berlin, Germany, pp. 357-359.
Takahashi, I. et al. "Development of a Simple Flywheel UPS Having Active Filter Ability", EPE Firenze, 1991, pp. 1-282 to 1-287.
Briest Ralf
Darrelmann Hilmar
Sachs Klaus
Schrader-Hausmann Uwe
Lipsitz Barry R.
Patel Rajnikant B.
Piller-GmbH
Wong Peter S.
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