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|Title: ||Discrete-time dynamic model of NGH damper|
|Authors: ||CHERIYAN, EP|
|Keywords: ||subsynchronous resonance|
|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.|
|Appears in Collections:||Article|
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