Improved Dynamic Response of DSTATCOM using Genetic Algorithm
Abstract
The performance of D-STATCOM depends on capacitor voltage regulation. In D-STATCOM, the nonlinear controller is preferred to linear controller. Regulating and fixing the capacitor DC voltage in DSTATCOM can improve the system dynamic such as capacitor voltage response, current response and modulation index. The regulation of DC capacitor voltage based on optimal PI co-efficient. In conventional scheme, the trial and error method is used to determine PI values. In this paper genetic algorithm is applied for exact calculation of optimized PI co-efficient, to reduce disturbances in DC link voltage. Optimization and simulations are worked out in MATLAB environment
Keywords: D-STATCOM, Non linear controller, Optimized PI co-efficient, Genetic Algorithm
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ISSN (Paper)2224-610X ISSN (Online)2225-0603
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