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2015年9月9日,山东首座110 k V模块化智能箱式变电站,同时也是国网系统首座110 k V智能箱式负荷转接变电站——七里沟智能箱式变电站在山东临沂正式建成投运。原七里沟变电站投建于1990年,2011年进行了智能化升级改造,主变总容量为80 MVA。去年以来,随着临沂江泉高架桥的开通,周边新开发楼盘入住率不断提高,居民用电需求量持续攀升,变压器负载率保持较高水平,尤
September 9, 2015, Shandong’s first 110 kV modular smart box-type substation, but also the first national grid system 110 kV smart box load transfer substation - Qiligou intelligent box-type substation in Shandong Linyi officially completed and put into operation . The former Qiligou substation was built in 1990, and was upgraded in 2011 with a total capacity of 80 MVA. Since last year, with the opening of Linyi Jiangquan Viaduct, the surrounding newly developed real estate occupancy rate continues to rise, residential electricity demand continues to rise, the transformer load rate remains high, especially