A fast active power filter to correct line voltage sags |
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| Authors: | Bhavaraju V.B. Enjeti P. |
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| Affiliation: | Power Electron. Lab., Texas A&M Univ., College Station, TX; |
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| Abstract: | An active power filter for compensating voltage sags that occur on a weak AC power system is described. The proposed active power filter is especially suitable in situations where sensitive data processing and other critical loads are to be operated on a weak AC system. The proposed filter is fast acting and simple in design. A design procedure based on IEEE/ANSI voltage withstand tolerance (IEEE standard 446-1987) is proposed. Laboratory tests on a prototype filter show fast response and linear correction characteristics |
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