An adaptive generator excitation controller based on linear optimalcontrol |
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Authors: | Chengxiong Mao Malik OP Hope GS Jun Fan |
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Affiliation: | Huazhong Univ. of Sci. & Technol., Wuhan; |
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Abstract: | An adaptive excitation controller for a synchronous generator based on the linear optimal control theory is proposed. The generator operating conditions are tracked by a model whose parameters are identified every sampling interval using the actual input and output of the generator. The control is computed by solving a third-order Riccati equation and the identified model parameters. Studies on a single-machine infinite-bus system and a three-machine infinite-bus system show that the proposed controller exhibits better performances than an automatic voltage regulator (AVR) with a conventional power system stabilizer (PSS) |
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