摘要
750k V变压器作为750k V电网中的重要设备,在电网安全运行中发挥着重要作用。本文通过分析750k V变压器三相绕组参数不对称产生原因,以西北某750k V输电系统为模型,应用电磁暂态仿真计算程序(ATP-EMTP),重点研究了在几种典型操作方式下,三相绕组参数不对称对系统操作过电压的影响。
750kV transformer is important in 750kV power grid and plays a major role in safe operation of power grid. The paper analyzes the causes of asymmetric three-phase winding parameters of 750kV transformer and establishes research model of Northwest 750kV transmission system, applies electro-magnetic transient simulation program to focuses on the impact of operating overvoltage caused by Three-phase Winding Parameter Asymmetry through several typical operating modes.
出处
《电气技术》
2016年第2期67-71,92,共6页
Electrical Engineering
关键词
变压器
绕组参数
不对称
过电压
transformer
winding parameter
asymmetry
overvoltage
