摘要
采用频率响应法现场检测变压器绕组变形情况时,平衡绕组的连接方式会对绕组的频率响应曲线产生较大影响,给结果判断带来困扰。通过详细分析平衡绕组的作用与接线方式,结合理论分析和现场实测,对带平衡绕组变压器的绕组变形测试接线方式、环境干扰等影响因素进行深入剖析,提出了该类变压器的绕组变形诊断方法,为试验技术人员准确判断绕组变形情况提供了帮助。
When the frequency response method is applied to the field test of the winding deformation of transformers,the connection mode of the balance winding has great influence on the frequency response curve of the transformer winding,which brings trouble to the judgment of the result.On the basis of the detailed analysis of the function and connection mode of the balance winding and the theoretical analysis and field measurement,the factors that influence the winding deformation test of the transformer with balance windings including the connection mode,the environmental interference and so on are deeply analyzed.The winding deformation diagnosis method of such kind of transformers is proposed to provide help for technicians to accurately judge the status of winding deformation.
作者
陈梁远
黎大健
赵坚
CHEN Liangyuan;LI Dajian;ZHAO Jian(Electric Power Research Institute of Guangxi Power Grid Co.,Ltd.,Guangxi Nanning 530023,China)
出处
《广西电力》
2019年第4期55-58,共4页
Guangxi Electric Power
基金
广西电网有限责任公司科技项目(GXKJXM20180345)
关键词
变压器
绕组变形
平衡绕组
频率响应
transformer
winding deformation
balance winding
frequency response
