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Electrical and Computer Engineering

SelectedWorks

D. K. Chaturvedi Dr.

2009

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Full-Text Articles in Engineering

Polar Fuzzy Logic Based Power System Stabilizer, D. K. Chaturvedi Dec 2009

Polar Fuzzy Logic Based Power System Stabilizer, D. K. Chaturvedi

D. K. Chaturvedi Dr.

A neuro fuzzy logic based adaptive power system stabilizer (AFPSS) has been developed using angularspeed deviation and angular acceleration as the input variables. It consists of two main parts, namely, fuzzylogic controller (FLC) and generalized neuron (GN) based identifier. The inference mechanism of the fuzzylogic controller is represented by rule-base and a data-base. Three parameters have been introduced to tunethe FPSS. These parameters are decided on the basis of GN-identifier output and present system conditions.This mechanism of tuning the AFPSS makes the fuzzy logic based power system stabilizer adaptive tochanges with the operating conditions. Therefore, the degradation of the system …