摘要
文章对变电站和发电厂直流电源系统母线失压故障的原因进行了归纳,对现有技术解决方案的优缺点进行了对比分析,提出了一种防止直流电源母线失压的解决方案,并对应用于110kV变电站的方案的技术原理、设计参数及控制方法进行了详细描述和测试。测试结果表明,该方案可以有效解决直流母线失压故障。
This paper sums up the causes of voltage lossfault in DC power supply system of substation and power plant,summarizes and analyzes the technical means and advantages and disadvantages of the existing solutions forthe problem,presents a solution to prevent DC bus from voltage loss,and give a detailed description and test of the technical principle,design parameters and control methods of the scheme applied to the 110 kV substation.The test results show that this scheme can effectively solve the DC bus voltage loss fault and has broad application prospects.
作者
冯霆
王中杰
杨爱晟
卢爱萍
FENG Ting;WANG Zhongjie;YANG Aisheng;LU Aiping(State Grid Shanxi Electric Power Co.Ltd.Jinzhong Power Supply Company,Jinzhong 030600,China;State Grid Shanxi Electric Power Co.,Ltd.,Taiyuan 030001,China;Shijiazhuang Zhuogao Electric Technology Co.,Ltd.,Shijiazhuang 050000,China)
出处
《供用电》
2018年第5期79-84,63,共7页
Distribution & Utilization
关键词
直流电源系统
直流失压
蓄电池开路
失压监测
直流母线失压补偿
DC power supply system
DC voltage loss
battery open
loss of pressure monitoring
DC voltage loss compensation
