摘要
随着直流换流站电压等级和输送容量的不断增大,单个换流变压器的容量越来越大,由漏磁引起的局部发热问题也越来越多。以某特高压直流换流站一起换流变压器箱沿发热缺陷为例,介绍换流变压器箱沿发热的原因及改进措施,可为解决同类发热问题提供思路。
With the continuous increase of the voltage level and transmission capacity of the DC converter station,the capacity of a single converter transformer is getting larger and larger,and local heating problems caused by magnetic leakage are increasing.Taking a heating defect of converter transformer box edge in an UHVDC converter station as an example,the causes and improvement measures of converter transformer box edge heating were introduced,which could provide ideas for solving similar heating problems.
作者
沈正元
张健
年长春
石明垒
陈文强
步顺德
SHEN Zhengyuan;ZHANG Jian;NIAN Changchun;SHI Minglei;CHEN Wenqiang;BU Shunde(Maintenance Branch of State Grid Zhejiang Electric Power Company,Hangzhou 311232,China)
出处
《电工技术》
2020年第17期98-99,102,共3页
Electric Engineering
关键词
换流变压器
漏磁
局部发热
屏蔽
converter transformer
leakage flux
local overheating
shield
