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http://dx.doi.org/10.5370/KIEE.2013.62.4.437

A Development of Monitoring and Control System for Improved the Voltage Stability in the Power System  

Lee, Hyun-Chul (Dept. of Electronics and Electrical Engineering, Kyoungpook National University)
Jeoung, Ki-Suk (Dept. of Electronics and Electrical Engineering, Kyoungpook National University)
Park, Ji-Ho (Dept. of Electronics and Electrical Engineering, Kyoungpook National University)
Baek, Young-Sik (Dept. of Electronics and Electrical Engineering, Kyoungpook National University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.62, no.4, 2013 , pp. 437-443 More about this Journal
Abstract
This paper was developed a monitoring and control system to use reactive power control algorithm. This algorithm could be improved voltage stability in power system. This method was controlled the voltage for stability improvement, effective usage of reactive power, and the increase of the power quality. PMS(Power Management System) has been calculate voltage sensitivity, and control reactive power compensation device. The voltage control was used to the FACTS, MSC/MSR(Mechanically Switched Capacitors/Reactors), and tap of transformer in power system. The reactive power devices in power system were control by voltage sensitivity ranking of each bus. Also, to secure momentary reactive power, it had been controlled as the rest of reactive power in the each bus. In here, reactive power has been MSC/MSR. The simulation result, First control was voltage control as fast response control of FACTS. Second control was voltage control through the necessary reactive power calculation as slow response control of MSR/MSR. Third control was secured momentary reactive reserve power. This control was method by cooperative control between FACTS and MSR/MSC. Therefore, the proposed algorithm was had been secured the suitable reactive reserve power in power system.
Keywords
Power system; Voltage stability; Monitoring & control system;
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