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rcs9652 bei yong dian yuan zi tou zhuang zhi kkj fu gui wen ti de fen xi
Author(s): 
Pages: 34-35
Year: Issue:  1
Journal: Electric Safety Technology

Abstract: 随着电网中新输变电项目和电源项目的投产,部分枢纽变电站的500 kV、220 kV母线短路电流将接近或超过设备允许值.为了保证系统稳定性,浙江省公司逐步对220 kV电网采取了分层分区措施,将部分边缘变电所220 kV线路开断并投入线路备自投,并将对220 kV线路备自投装置KKJ复归问题进行讨论. 1 分层分区运行方式 某变电所220 kV系统采用双母线运行方式,正常运行方式为:一条220 kV线路运行,另一条220 kV线路热备用.
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