Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/37807
Title: Is lead compensation appropriate to PSS design?
Authors: Tse, CT
Wang, KW
Bian, XY
Zhang, JF
Issue Date: 2009
Source: 8th IET International Conference on Advances in Power System Control, Operation and Management 2009 : APSCOM 2009 : Hong Kong, China, 8-11 November 2009, p. 1-6 How to cite?
Abstract: In power system studies, it has been long recognized that power system stabilizer (PSS) aims to provide appropriate phase lead in order to compensate the phase lag of generator excitation system. Therefore, lead compensation prevails in almost all stability studies and the effectiveness of PSSs with lead compensation was demonstrated by eigenvalue and swing plots, to confirm that their PSS designs can enhance the system damping under both small and large disturbances. The present paper will (a) explore whether the lead compensation of PSS has provided the correct phase compensation even with substantial improvements of system damping, and (b) highlight the risks due to lead compensation. A systematic technique based on eigenvalue sensitivity is recommended to effectively provide correct phase compensation and to suppress the risks in PSS tuning.
URI: http://hdl.handle.net/10397/37807
DOI: 10.1049/cp.2009.1856
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