配电变压器低压隔离开关柜内母线短路监测研究  

Bus Short Circuit Monitoring in Low Voltage Disconnector Switch Cabinet of Distribution Transformer

作　　者：刘立忠 郑小翠 柴卫军 Liu Lizhong;Zheng Xiaocui;Chai Weijun(Jiangshan Haiwei Technology Co.,Ltd.,Jiangshan Zhejiang 324100,China;Jiangshan Xinyuan Electric Co.,Ltd.,Jiangshan Zhejiang 324100,China)

机构地区：[1]江山海维科技有限公司,浙江江山324100 [2]江山市鑫源电气有限公司,浙江江山324100

出　　处：《电气自动化》2021年第5期51-54,共4页Electrical Automation

摘　　要：开关柜的故障会造成整个电力系统的不稳定,通过监控开关柜内的母线短路情况,可以有效降低故障的发生概率。采用红外测温的方式,对开关柜内的母线进行检测,在不影响系统稳定的前提下,提高了温度测量的准确性。采用LSTM算法结合小波变换的算法,在母线短路的判断上综合考虑了历史数据的影响,提高了判断的精准度。通过试验对算法进行验证,结果证明了方法的优越性。The fault of switch cabinet would cause the instability of the whole power system. By monitoring the bus short circuit in the switch cabinet, the probability of fault could be effectively reduced. The infrared temperature measurement method was used to detect the switch cabinet bus, which improved the accuracy of temperature measurement without affecting the stability of the system. Using LSTM algorithm combined with wavelet transform algorithm, the influence of historical data was comprehensively considered in the judgment of bus short circuit, which improved the accuracy of judgment. The algorithm was verified by experiments. The results show the superiority of the method.

关 键 词：开关柜 母线 红外检测 LSTM算法 短路监测 变压器 

分 类 号：TM643[电气工程—电力系统及自动化]