A new fuzzy control approach to voltage profile enhancement for power systems

This paper presents a new approach using fuzzy set theory for voltage and reactive power control of power systems. The purpose is to enhance voltage security of an electric power system. The violation bus voltage and the controlling variables are translated into fuzzy set notations to formulate the...

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Bibliographic Details
Published in:IEEE transactions on power systems 1996-08, Vol.11 (3), p.1654-1659
Main Authors: SU, C.-T, LIN, C.-T
Format: Article
Language:English
Subjects:
Applied sciences
Disturbances. Regulation. Protection
Electric variables control
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
Fuzzy control
Fuzzy set theory
Fuzzy sets
Power networks and lines
Power system control
Power system security
Power systems
Reactive power control
System testing
Voltage control
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Summary:This paper presents a new approach using fuzzy set theory for voltage and reactive power control of power systems. The purpose is to enhance voltage security of an electric power system. The violation bus voltage and the controlling variables are translated into fuzzy set notations to formulate the relation between voltage violation level and controlling ability of controlling devices. A feasible solution set is first attained using the minimum operation of fuzzy sets, then the optimal solution is quickly determined employing the maximum operation. A modified IEEE 30-bus test system is used to demonstrate the application of the proposed approach. Simulation results show that the approach is efficient and has good flexibility and adaptability for voltage-reactive power control.
ISSN:0885-8950
1558-0679
DOI:10.1109/59.535711