Fault Tolerant Emergency Control to Preserve Power System Stability

Andreas Søndergaard Pedersen; Jan H. Richter; Mojtaba Tabatabaeipour; Hjörtur Jóhannsson; Mogens Blanke

doi:10.1016/j.conengprac.2015.11.004

Fault Tolerant Emergency Control to Preserve Power System Stability

Andreas Søndergaard Pedersen, Jan H. Richter, Mojtaba Tabatabaeipour, Hjörtur Jóhannsson, Mogens Blanke

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Abstract

This paper introduces a method for fault-masking and system reconfiguration in power transmission systems. The paper demonstrates how faults are handled by reconfiguring remaining controls through utilisation of wide-area measurement in real time. It is shown how reconfiguration can be obtained using a virtual actuator concept, which covers Lure-type systems. The paper shows the steps needed to calculate a virtual actuator, which relies on the solution of a linear matrix inequality. The solution is shown to work with existing controls by adding a compensation signal. Simulation results of a benchmark system show ability of the reconfiguration to maintain stability

Original language	English
Journal	Control Engineering Practice
Volume	53
Pages (from-to)	151–159
ISSN	0967-0661
DOIs	https://doi.org/10.1016/j.conengprac.2015.11.004
Publication status	Published - 2016

Keywords

Fault-tolerant control
Power system stabiliser
Lure system
Actuator faults
Wide-area control

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10.1016/j.conengprac.2015.11.004

CepAccepted author manuscript, 460 KB

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Cite this

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title = "Fault Tolerant Emergency Control to Preserve Power System Stability",

abstract = "This paper introduces a method for fault-masking and system reconfiguration in power transmission systems. The paper demonstrates how faults are handled by reconfiguring remaining controls through utilisation of wide-area measurement in real time. It is shown how reconfiguration can be obtained using a virtual actuator concept, which covers Lure-type systems. The paper shows the steps needed to calculate a virtual actuator, which relies on the solution of a linear matrix inequality. The solution is shown to work with existing controls by adding a compensation signal. Simulation results of a benchmark system show ability of the reconfiguration to maintain stability",

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AU - Pedersen, Andreas Søndergaard

AU - Richter, Jan H.

AU - Tabatabaeipour, Mojtaba

AU - Jóhannsson, Hjörtur

AU - Blanke, Mogens

PY - 2016

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KW - Fault-tolerant control

KW - Power system stabiliser

KW - Lure system

KW - Actuator faults

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