Security constrained emergency voltage stabilization: A Model Predictive Control based approach

L. Jin; R. Kumar; N. Elia

doi:10.1109/CDC.2008.4739120

Security constrained emergency voltage stabilization: A Model Predictive Control based approach

L. Jin, R. Kumar, N. Elia

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

Voltage instability impacts power system transfer limits and its reliability. This paper presents an approach to determine a voltage control scheme based on the Model Predictive Control (MPC) theory. MPC is used to develop an optimal control strategy, consisting of a sequence of amounts of the shunt capacitors to switch. The resulting control strategy prevents voltage instability and maintains a desired amount of post-transient voltage stability margin (an index of system security). The objective of optimization is to minimize a weighted sum of the cumulative voltage deviations and the cumulative cost of capacitive controls. The effect of the capacitive control on voltage behavior is computed by means of trajectory sensitivity. The sensitivity of voltage stability margin with respect to the capacitive control is used to construct a security constraint for post-fault operation in the MPC formulation. The efficacy of the proposed approach is illustrated through applications to the 39-bus New England system for preventing voltage collapse.

Original language	English (US)
Title of host publication	Proceedings of the 47th IEEE Conference on Decision and Control, CDC 2008
Pages	2469-2474
Number of pages	6
DOIs	https://doi.org/10.1109/CDC.2008.4739120
State	Published - 2008
Externally published	Yes
Event	47th IEEE Conference on Decision and Control, CDC 2008 - Cancun, Mexico Duration: Dec 9 2008 → Dec 11 2008

Publication series

Name	Proceedings of the IEEE Conference on Decision and Control
ISSN (Print)	0191-2216

Other

Other	47th IEEE Conference on Decision and Control, CDC 2008
Country	Mexico
City	Cancun
Period	12/9/08 → 12/11/08

Keywords

Model predictive control
Power system
Switching control
Trajectory sensitivity
Voltage stability margin
Voltage stabilization

Access

10.1109/CDC.2008.4739120

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Security constrained emergency voltage stabilization : A Model Predictive Control based approach. / Jin, L.; Kumar, R.; Elia, N.

Proceedings of the 47th IEEE Conference on Decision and Control, CDC 2008. 2008. p. 2469-2474 4739120 (Proceedings of the IEEE Conference on Decision and Control).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Jin, L, Kumar, R & Elia, N 2008, Security constrained emergency voltage stabilization: A Model Predictive Control based approach. in Proceedings of the 47th IEEE Conference on Decision and Control, CDC 2008., 4739120, Proceedings of the IEEE Conference on Decision and Control, pp. 2469-2474, 47th IEEE Conference on Decision and Control, CDC 2008, Cancun, Mexico, 12/9/08. https://doi.org/10.1109/CDC.2008.4739120

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abstract = "Voltage instability impacts power system transfer limits and its reliability. This paper presents an approach to determine a voltage control scheme based on the Model Predictive Control (MPC) theory. MPC is used to develop an optimal control strategy, consisting of a sequence of amounts of the shunt capacitors to switch. The resulting control strategy prevents voltage instability and maintains a desired amount of post-transient voltage stability margin (an index of system security). The objective of optimization is to minimize a weighted sum of the cumulative voltage deviations and the cumulative cost of capacitive controls. The effect of the capacitive control on voltage behavior is computed by means of trajectory sensitivity. The sensitivity of voltage stability margin with respect to the capacitive control is used to construct a security constraint for post-fault operation in the MPC formulation. The efficacy of the proposed approach is illustrated through applications to the 39-bus New England system for preventing voltage collapse.",

keywords = "Model predictive control, Power system, Switching control, Trajectory sensitivity, Voltage stability margin, Voltage stabilization",

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AB - Voltage instability impacts power system transfer limits and its reliability. This paper presents an approach to determine a voltage control scheme based on the Model Predictive Control (MPC) theory. MPC is used to develop an optimal control strategy, consisting of a sequence of amounts of the shunt capacitors to switch. The resulting control strategy prevents voltage instability and maintains a desired amount of post-transient voltage stability margin (an index of system security). The objective of optimization is to minimize a weighted sum of the cumulative voltage deviations and the cumulative cost of capacitive controls. The effect of the capacitive control on voltage behavior is computed by means of trajectory sensitivity. The sensitivity of voltage stability margin with respect to the capacitive control is used to construct a security constraint for post-fault operation in the MPC formulation. The efficacy of the proposed approach is illustrated through applications to the 39-bus New England system for preventing voltage collapse.

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