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Improved Control of Three Phase Active Filters Using Genetic Algorithms

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2 Author(s)
Singh, B. ; Indian Inst. of Technol. Delhi, New Delhi ; Singhal, V.

This paper deals with a new control technique of system parameter evaluation for a parallel three phase active filters (AF) to eliminate harmonics and to compensate reactive power of non-linear loads. The work is motivated by the need to minimize the burden on the DC-link capacitor voltage under dynamic load conditions. Genetic algorithm is used to obtain an optimized control of DC-link voltage. A three phase diode rectifier with R-L loading is used as a non-linear load. The system dynamic performance is analyzed based on its transient response to load change and load unbalancing. Moreover, the robustness of the system to filter parameter variation is also studied. The AF is found effective to meet IEEE-519 standard recommendations on harmonics level.

Published in:

Power Electronics and Drive Systems, 2007. PEDS '07. 7th International Conference on

Date of Conference:

27-30 Nov. 2007