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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/8299

Title: Discrete-time dynamic model of NGH damper
Authors: CHERIYAN, EP
KULKARNI, AM
Keywords: subsynchronous resonance
torsional oscillations
transient torque
scheme
ssr
Issue Date: 2007
Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation: IEEE TRANSACTIONS ON POWER SYSTEMS, 22(4), 1888-1897
Abstract: This paper presents a linearized discrete-time model of a pre-firing NGH damper based on the Poincare mapping technique. The performance of a pre-firing NGH damper can be predicted accurately with this model, including the possible undamping of off-tune torsional modes which has been reported in the literature. The paper analyzes two types of pre-firing schemes, one based on voltage zero crossings and the other based on a current synchronized phase-locked loop. The model is validated using digital simulation studies.
URI: http://dx.doi.org/10.1109/TPWRS.2007.907352
http://dspace.library.iitb.ac.in/xmlui/handle/10054/8299
http://hdl.handle.net/10054/8299
ISSN: 0885-8950
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