International Journal of Scientific Engineering and Technology

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Design of a Graphical User Interface to Control Voltage and Reactive Power by Using Nine-Area Diagram


Affiliations
1 Department of Electrical Engineering, National Taiwan University of Science and Technology, Taiwan, Province of China
2 Taiwan Power Research Institute, Taiwan Power Company, Taiwan, Province of China
 

For a primary substation (P/S), there are many typical methods to control voltage and reactive power such as adjusting the generator mode, switching shunt capacitor (SC), adjusting on-load tap changer (OLTC), and switching shunt reactor (SR). In this study, a graphical user interface (GUI) is designed combining with nine-area diagram to observe the relationship between voltage and reactive power in a P/S. This GUI not only predicts the effect to dispatchers in short time but also analyzes the sensitivity parameters. Field measurement data were analyzed. Simulation results confirmed the feasibility of compensating the reactive power and adjusting voltage simultaneously.

Keywords

Substations, Voltage, Reactive Power, Nine-Area Diagram, Sensitivity.
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  • Design of a Graphical User Interface to Control Voltage and Reactive Power by Using Nine-Area Diagram

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Authors

Chi-Jui Wu
Department of Electrical Engineering, National Taiwan University of Science and Technology, Taiwan, Province of China
Yu-Wei Liu
Department of Electrical Engineering, National Taiwan University of Science and Technology, Taiwan, Province of China
Yu-Wei Chou
Taiwan Power Research Institute, Taiwan Power Company, Taiwan, Province of China
Chun-Hsiang Hu
Department of Electrical Engineering, National Taiwan University of Science and Technology, Taiwan, Province of China
Ming-Ghe Shih
Department of Electrical Engineering, National Taiwan University of Science and Technology, Taiwan, Province of China
Jr-Yuan Ke
Department of Electrical Engineering, National Taiwan University of Science and Technology, Taiwan, Province of China

Abstract


For a primary substation (P/S), there are many typical methods to control voltage and reactive power such as adjusting the generator mode, switching shunt capacitor (SC), adjusting on-load tap changer (OLTC), and switching shunt reactor (SR). In this study, a graphical user interface (GUI) is designed combining with nine-area diagram to observe the relationship between voltage and reactive power in a P/S. This GUI not only predicts the effect to dispatchers in short time but also analyzes the sensitivity parameters. Field measurement data were analyzed. Simulation results confirmed the feasibility of compensating the reactive power and adjusting voltage simultaneously.

Keywords


Substations, Voltage, Reactive Power, Nine-Area Diagram, Sensitivity.