电气实习(国外英文资料).docVIP

电气实习(国外英文资料) Brief introduction of Hanzhoung 330kV substation Hanzhoung substation is located in Wuhan Township thirteen kilometers north of Hanzhoung City, covers an area of 96 acres, and in Baoji, Ma Ying Eastern Yangxian County, Western Wuhou variable connection, is one of the Shaanxi power grid hub substation, mainly responsible for the power supply task of Hanzhoung industrial and agricultural production in the western region, the average load of 300 thousand kW the load of the whole network, accounting for about 1/3, the annual supply capacity of 2 billion 100 million kWH. Hanzhoung 330kV substation is one of the 95 key construction investment projects in China, Baoji two power plant. The project started construction in October of 98, and was completed and put into operation on 19998 or 16. In August 2005 completed the extension No. 3 joint task and 220kV system, completed in July 2006 330kV Han I line interval extension, extension for three times, continue to move to a strong power grid. The total station has four voltage levels, namely: 330kV, 220kV, 110kV and 35kV. No. 1, No. 2 main transformer for 240MVA load regulating pressure forced oil circulated air-cooled transformer; No. 3 combined into 240MVA non excitation regulating pressure forced oil circulation cooling transformer; 330kV line parallel reactor a group of 60 cars; 9 330kV switch are used in tank SF6 Xian high voltage switch factory production of circuit breaker. 3 220kV switch adopts the column circuit breaker SF6 Suzhou Alston production; 14 sets of 110kV switches are the column circuit breaker SF6 Xian high voltage switch factory production equipment; 35kV by Xian MeiLing switch interval limited production shift type AC metal switch cabinet; 35kV bus with 15Mvar capacitor group 8. Connection mode: 330kV adopts 3/2 breaker connection, outlet 3 times; 110kV adopts double mother belt, mother line, 21 intervals, 12 return lines; 35kV single bus connection, 14 intervals, for station use and system