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Comparative analysis of control measures for voltage deviation of distribution network
Published:2018-01-11 author:LIU Hong-xia1, LIN Lin1, GUAN Ti2, LIN Qi-rong1, LIU Yong2, SUN Wen1 Browse: 1900 Check PDF documents

Comparative analysis of control measures for voltage
deviation of distribution network

LIU Hong-xia1, LIN Lin1, GUAN Ti2, LIN Qi-rong1, LIU Yong2, SUN Wen1

                                                             (1. State Grid Jinan Power Supply Company, Jinan 250012, China; 
                                                             2. State Grid Shandong Electric Company, Jinan 250012, China)

Abstract: Aiming at the problems of voltage drop caused by the large distance load transmission and the voltage rise caused by the recovery of the hydropower season, the complex distribution network with both hydropower and the heavy load was selected as the object of analysis. The power system analysis software package (PSASP) was used to establish steady-state analysis model , the control measures of the reactive voltage concentration compensation, distributed dynamic reactive power compensation and distributed fixed reactive power compensation were analyzed. The effectiveness and economy of the three kinds of reactive power control measures were compared . The applicable conditions of different forms of reactive power compensation measures in the control of distribution voltage deviation were pointed out. The results indicate that that the application of reactive power centralized compensation is limited, and the distributed reactive power compensation measures are applicable but the economy is poor. For distributed distribution with low voltage deviation, distributed reactive power compensation can be used.
Key words: distribution network; voltage deviation; reactive power compensation; steady state model


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