城市轨道交通对220kV变压器直流偏磁影响分析与治理  

Analysis and Treatment of DC Bias Effect on 220kV Transformers in Urban Rail Transit

作　　者：林椿雨 李贺 LIN Chunyu;LI He

机构地区：[1]国网辽宁省电力有限公司大连供电公司,辽宁大连116100

出　　处：《电力系统装备》2024年第11期48-50,共3页Electric Power System Equipment

摘　　要：随着城市轨道交通的迅速发展,其对220 kV变压器直流偏磁的影响逐渐凸显。直流偏磁会导致变压器运行不稳定、效率降低甚至损坏,给城市电力系统带来安全隐患和经济损失。文章研究城市轨道交通对220 kV变压器直流偏磁的影响机理,并提出相应的治理方法和措施,以确保城市电力系统的安全稳定运行。With the rapid development of urban rail transit,its impact on the DC bias of 220 kV transformers has gradually become prominent.DC bias can cause unstable operation,reduced efficiency,and even damage to transformers,posing safety hazards and economic losses to urban power systems.Therefore,it is necessary to conduct in-depth research on the impact mechanism of urban rail transit on transformer DC bias,and propose corresponding governance methods and measures to ensure the safe and stable operation of urban power systems.

关 键 词：城市轨道交通 220 kV变压器 直流偏磁 

分 类 号：TM721.1[电气工程—电力系统及自动化]