A robust damping controller for SMES using loop-shaping technique

doi:10.1016/j.ijepes.2005.02.005

2005-06-01

PRE

A.H.M.A. Rahim *

E.P. Nowicki

DOI：10.1016/j.ijepes.2005.02.005

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摘要

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A robust damping controller for a power system installed with super-conducting magnetic energy storage (SMES) has been designed using a simple graphical loop-shaping technique. The graphical method starts by selection of a nominal plant function satisfying the robust stability and performance criterion. The variations in operating conditions from the nominal values are modeled as multiplicative structured uncertainty. The generator-SMES system has been represented with a detailed dynamic model for the control design. The robust design, with generator speed variation as the controller input, was tested for a range of operating points considering various disturbances. It is observed that the fixed parameter robust controller provides very good damping for a wide range of operating conditions. © 2005 Elsevier Ltd. All rights reserved.

Keyword:

SMES

robust damping control

loop-shaping method

power system stabilization