变频电源下电力变压器绕组变形远程监测方法  

Remote Monitoring Method for Winding Deformation of Power Transformers Under Variable Frequency Power Supply

作　　者：任浩杰 李卓琳 REN Haojie;LI Zhuolin(Huangling County Power Supply Branch of State Grid Shaanxi Electric Power Co.,Ltd.,Yanan 716000,China)

机构地区：[1]国网陕西省电力有限公司黄陵县供电分公司,陕西延安716000

出　　处：《通信电源技术》2025年第2期112-114,共3页Telecom Power Technology

摘　　要：为提高电力变压器绕组变形远程监控的精准度和速度,提出了变频电源下电力变压器绕组变形远程监测方法。通过变频电源提供灵活的电力调节,结合小波变换技术提取电力变压器绕组变形特征,实现对绕组变形的远程监测与报警,确保变压器在复杂运行条件下的安全稳定。通过设置报警机制,系统能够及时响应并处理绕组变形问题,提高电力系统的可靠性。实验结果显示,该方法在多种复杂场景下均表现出色,实现了绕组变形远程监控报警的零误报与零漏报,且远程监控报警响应时间远低于行业标准要求,具有较高的远程监控稳定性、准确性及时效性。To improve the accuracy and speed of remote monitoring of power transformer winding deformation,a remote monitoring method for power transformer winding deformation under variable frequency power supply is proposed.By providing flexible power regulation through variable frequency power supply and combining wavelet transform technology to extract deformation characteristics of power transformer windings,remote monitoring and alarm of winding deformation can be achieved,ensuring the safety and stability of transformers under complex operating conditions.By setting the alarm mechanism,the system can respond to and deal with the winding deformation problem,and improve the reliability of the power system.The experimental results show that this method performs well in various complex scenarios,achieving zero false alarms and zero missed alarms for remote monitoring and alarm of winding deformation.Moreover,the response time of remote monitoring and alarm is far below the industry standard requirements,demonstrating high stability,accuracy,and timeliness in remote monitoring.

关 键 词：变频电源 电力变压器 绕组变形 远程监测 

分 类 号：TM41[电气工程—电器]