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《Electric Power Construction》 2012-05
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Application of Primary Step-down Auxiliary Power System in UHV Substation

ZHA Shensen1,2, ZHENG Jianyong1, HU Jijun2 (1. School of Electrical Engineering, Southeast University, Nanjing 210096, China; 2. Jiangsu Electric Power Design Institute, Nanjing 211102, China)  
Based on the design of the auxiliary power system of Xuzhou 1 000 kV UHV substation, a primary step-down system and a secondary step-down system were presented. According to the technological and economical comparisons, the primary step-down auxiliary power system was recommended, and two wiring principle schemes for auxiliary power system were proposed, of which different from UHV demonstration engineering was recommended by reliability analysis.
【CateGory Index】: TM63
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