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An extended linear quadratic regulator and its application for control of power system dynamics

An extended linear quadratic regulator and its application for control of power system dynamics
An extended linear quadratic regulator and its application for control of power system dynamics

This paper presents a generalized solution to the problem of optimal control of systems having an extra set of exogenous inputs besides control inputs. The solution is derived in the framework of linear quadratic control and it is termed 'extended linear quadratic regulator (ELQR)'. The ELQR is applied for control of unstable or poorly damped oscillatory dynamics occurring in a power system and is shown to be significantly more cost effective than the classical power system stabilizer (PSS) based approach.

exogenous input, extended linear quadratic regulator, external disturbance, optimal control, power system dynamics, power system stabilizer, pseudo-input, small signal stability
110-114
Institute of Electrical and Electronics Engineers Inc.
Singh, Abhinav K.
6df7029f-21e3-4a06-b5f7-da46f35fc8d3
Pal, Bikash C.
c062978e-53eb-4d5d-ace8-746ccafa5fb0
Singh, Abhinav K.
6df7029f-21e3-4a06-b5f7-da46f35fc8d3
Pal, Bikash C.
c062978e-53eb-4d5d-ace8-746ccafa5fb0

Singh, Abhinav K. and Pal, Bikash C. (2016) An extended linear quadratic regulator and its application for control of power system dynamics. In 2016 IEEE 1st International Conference on Control, Measurement and Instrumentation, CMI 2016. Institute of Electrical and Electronics Engineers Inc. pp. 110-114 . (doi:10.1109/CMI.2016.7413721).

Record type: Conference or Workshop Item (Paper)

Abstract

This paper presents a generalized solution to the problem of optimal control of systems having an extra set of exogenous inputs besides control inputs. The solution is derived in the framework of linear quadratic control and it is termed 'extended linear quadratic regulator (ELQR)'. The ELQR is applied for control of unstable or poorly damped oscillatory dynamics occurring in a power system and is shown to be significantly more cost effective than the classical power system stabilizer (PSS) based approach.

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More information

Published date: 18 February 2016
Venue - Dates: 1st IEEE International Conference on Control, Measurement and Instrumentation, CMI 2016, Kolkata, India, 2016-01-08 - 2016-01-10
Keywords: exogenous input, extended linear quadratic regulator, external disturbance, optimal control, power system dynamics, power system stabilizer, pseudo-input, small signal stability

Identifiers

Local EPrints ID: 431011
URI: http://eprints.soton.ac.uk/id/eprint/431011
PURE UUID: c7054101-e980-4eb0-8e94-873179f09fd7
ORCID for Abhinav K. Singh: ORCID iD orcid.org/0000-0003-3376-6435

Catalogue record

Date deposited: 21 May 2019 16:30
Last modified: 17 Dec 2019 01:21

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Contributors

Author: Abhinav K. Singh ORCID iD
Author: Bikash C. Pal

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