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Electrical Engineering

Fault tolerant-based virtual actuator design for wide-area damping control in power system

  • 31-08-2020
  • Original Paper
Published in:
Authors
D. V. Nair
M. S. R. Murty
Published in
Electrical Engineering | Issue 1/2021

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Abstract

The objective of this article is to enhance the wide-area damping control of a large power system against actuator faults. In specific, damping of low-frequency system oscillations is carried out through centralized MIMO-based dynamic feedback controller (DFC). This particular approach requires multiple actuators, failure of which deteriorates dynamic response of the system. The problem of actuator faults is resolved using online reconfigurable control (RC). A reconfiguration component called virtual actuator (VA) is designed such that it reconfigures the system input and output signals and hides actuator fault from DFC. The process of control reconfiguration on actuator fault is automated without any additional control action. The effectiveness of the control methodology is verified by evaluating the dynamic system response of standard test systems using (1) multiple output DFC in damping control, and (2) online RC in design of fault tolerant wide-area damping controller.

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Title
Fault tolerant-based virtual actuator design for wide-area damping control in power system
Authors
D. V. Nair
M. S. R. Murty
Publication date
31-08-2020
Publisher
Springer Berlin Heidelberg
Published in
Electrical Engineering / Issue 1/2021
Print ISSN: 0948-7921
Electronic ISSN: 1432-0487
DOI
https://doi.org/10.1007/s00202-020-01094-4
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