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Transient Stability Improvement of Two Machine System using Fuzzy Controlled STATCOM

Keywords: Transient Stability , FACTS , STATCOM , fuzzy logic controller.

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A static synchronous compensator is one of the FACTS devices used to improve the transient stability of the power system. In this paper a mamdani based fuzzy logic controller is designed. The inputs to the fuzzy logic are the alternator speed i.e. ω and its derivative i.e. and the output is the firing angle α of the voltage source converter. The proposed controller is tested on two machine system using Matlab Simulink Environment. The Results are compared with conventional PI STATCOM Controller.


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