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A new fuzzy logic power system stabilizer performances

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2 Author(s)
Dobrescu, M. ; Hydro-Quebec, IREQ, Varennes, Que., Canada ; Kamwa, I.

This paper describes the performances of a new power system stabilizer, the fuzzy logic PSS (FLPSS). It is basically a PID (proportional-integral-derivative) type FLPSS with adjustable gains added outside in order to keep a simple structure. The FLPSS uses the generator speed deviation as primary input from which the accelerating power is derived as a secondary input. In order to validate the FLPSS, it has been compared with two reference stabilizers, the IEEE PSS4B and IEEE PSS2B from the IEEE Std 421.5. Conclusions are supported by a range of small and large signal analyses, performed on a four machine two areas test system (with two configurations).

Published in:

Power Systems Conference and Exposition, 2004. IEEE PES

Date of Conference:

10-13 Oct. 2004