Intelligent tap changer duty cycle control for load voltage improvement

C. S. Chang; J. S. Huang

doi:10.1016/s0378-7796(97)01153-x

Intelligent tap changer duty cycle control for load voltage improvement

C. S. Chang, J. S. Huang

National University of Singapore

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Voltage stability of a power system is related to load characteristics and voltage control devices such as on-load tap-changing (OLTC) transformers. This paper discusses the need for enhancing the OLTC operation, and identifies five control requirements for intelligent control of the OLTC duty cycle. The paper also describes an adaptive fuzzy logic controller (AFLC) developed for satisfying these requirements. By simulations on a six-bus study system, the ALFC is shown to be an effective means of enhancing the OLTC operation. The five control requirements are fulfilled by preventing the reverse actions, suppressing voltage transients, reducing control errors, and ensuring fast response and robustness.

Original language	English
Pages (from-to)	1-10
Number of pages	10
Journal	Electric Power Systems Research
Volume	43
Issue number	1
DOIs	https://doi.org/10.1016/s0378-7796(97)01153-x
Publication status	Published - Oct 1997
Externally published	Yes

Keywords

Adaptive fuzzy logic control
Dynamic load characteristics
Load voltage improvement
OLTC duty cycle
Tap-change affectivity
Target voltage
Voltage stability

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10.1016/s0378-7796(97)01153-x

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title = "Intelligent tap changer duty cycle control for load voltage improvement",

abstract = "Voltage stability of a power system is related to load characteristics and voltage control devices such as on-load tap-changing (OLTC) transformers. This paper discusses the need for enhancing the OLTC operation, and identifies five control requirements for intelligent control of the OLTC duty cycle. The paper also describes an adaptive fuzzy logic controller (AFLC) developed for satisfying these requirements. By simulations on a six-bus study system, the ALFC is shown to be an effective means of enhancing the OLTC operation. The five control requirements are fulfilled by preventing the reverse actions, suppressing voltage transients, reducing control errors, and ensuring fast response and robustness.",

keywords = "Adaptive fuzzy logic control, Dynamic load characteristics, Load voltage improvement, OLTC duty cycle, Tap-change affectivity, Target voltage, Voltage stability",

author = "Chang, {C. S.} and Huang, {J. S.}",

year = "1997",

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AU - Chang, C. S.

AU - Huang, J. S.

PY - 1997/10

Y1 - 1997/10

N2 - Voltage stability of a power system is related to load characteristics and voltage control devices such as on-load tap-changing (OLTC) transformers. This paper discusses the need for enhancing the OLTC operation, and identifies five control requirements for intelligent control of the OLTC duty cycle. The paper also describes an adaptive fuzzy logic controller (AFLC) developed for satisfying these requirements. By simulations on a six-bus study system, the ALFC is shown to be an effective means of enhancing the OLTC operation. The five control requirements are fulfilled by preventing the reverse actions, suppressing voltage transients, reducing control errors, and ensuring fast response and robustness.

AB - Voltage stability of a power system is related to load characteristics and voltage control devices such as on-load tap-changing (OLTC) transformers. This paper discusses the need for enhancing the OLTC operation, and identifies five control requirements for intelligent control of the OLTC duty cycle. The paper also describes an adaptive fuzzy logic controller (AFLC) developed for satisfying these requirements. By simulations on a six-bus study system, the ALFC is shown to be an effective means of enhancing the OLTC operation. The five control requirements are fulfilled by preventing the reverse actions, suppressing voltage transients, reducing control errors, and ensuring fast response and robustness.

KW - Adaptive fuzzy logic control

KW - Dynamic load characteristics

KW - Load voltage improvement

KW - OLTC duty cycle

KW - Tap-change affectivity

KW - Target voltage

KW - Voltage stability

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DO - 10.1016/s0378-7796(97)01153-x

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VL - 43

SP - 1

EP - 10

JO - Electric Power Systems Research

JF - Electric Power Systems Research

IS - 1

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Intelligent tap changer duty cycle control for load voltage improvement

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Keywords

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