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Neuro-Fuzzy Based Interline Power Flow Controller for Real Time Power Flow Control in Multiline Power System 被引量:3
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作者 A. Saraswathi S. Sutha 《Circuits and Systems》 2016年第9期2807-2820,共14页
This article investigates the power quality enhancement in power system using one of the most famous series converter based FACTS controller like IPFC (Interline Power Flow Controller) in Power Injection Model (PIM). ... This article investigates the power quality enhancement in power system using one of the most famous series converter based FACTS controller like IPFC (Interline Power Flow Controller) in Power Injection Model (PIM). The parameters of PIM are derived with help of the Newton-Raphson power flow algorithm. In general, a sample test power system without FACTs devices has generated more reactive power, decreased real power, more harmonics, small power factor and poor dynamic performance under line and load variations. In order to improve the real power, compensating the reactive power, proficient power factor and excellent load voltage regulation in the sample test power system, an IPFC is designed. The D-Q technique is utilized here to derive the reference current of the converter and its D.C link capacitor voltage is regulated. Also, the reference voltage of the inverter is arrived by park transformation technique and its load voltage is controlled. Here, a sample 230 KV test power system is taken for study. Further as the conventional PI controllers are designed at one nominal operating point they are not competent to respond satisfactorily in dynamic operating conditions. This can be circumvented by a Fuzzy and Neural network based IPFC and its detailed Simulink model is developed using MATLAB and the overall performance analysis is carried out under different operating state of affairs. 展开更多
关键词 facts controller Fuzzy Logic controller Interline Power Flow controller Reactive Power Compensation (RPC) Voltage Stability
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Coordination of PSS and FACTS Damping Controllers to Improve Small Signal Stability of Large-scale Power Systems 被引量:2
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作者 Guangzheng Yu Tao Lin +2 位作者 Jiannan Zhang Ye Tian Xiu Yang 《CSEE Journal of Power and Energy Systems》 SCIE CSCD 2019年第4期507-514,共8页
This paper presents an approach for designing parameters of power system stabilizer(PSS)and FACTS damping controllers in a large scale practical power system.The objective is maximizing damping ratio of the target mod... This paper presents an approach for designing parameters of power system stabilizer(PSS)and FACTS damping controllers in a large scale practical power system.The objective is maximizing damping ratio of the target mode,and tracking technology(MTT)is used to avoid frequent alternations of target mode in optimization procedures.An improved planted growth simulation algorithm(IPGSA),which has high search efficiency and quick convergence speed,is proposed to optimize controller parameters coordinately.Based on case study of a large-scale power grid,and by using local and interregional low-frequency oscillation modes as target modes,simulation results verify proposed method in this paper.Furthermore,coordination optimization strategy adapted to multi-operating conditions demonstrates that the proposed approach is robust. 展开更多
关键词 Coordinating optimization large-scale power grid mode tracking technology PSS and facts damping controllers small signal stability
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