大庆油田电网35kV PT铁磁谐振及抑制措施  

35kV PT Ferromagnetic Resonance and Suppression Measures in Daqing Oil Field Power Grid

作　　者：孙旭 Sun Xu

机构地区：[1]大庆油田化工有限公司综合服务分公司,黑龙江大庆163453

出　　处：《化工设计通讯》2018年第5期171-171,共1页Chemical Engineering Design Communications

摘　　要：大庆油田35kV电网采用电磁式电压互感器(简称PT)挂网,为二次设备提供电压,容易造成PT饱和,发生铁磁谐振,产生过电压,造成电气一次设备的损坏,严重影响系统的安全稳定运行。围绕大庆油田电网35千伏PT铁磁谐振及抑制措施展开论述,期望能够为为检修运行人员深入了解设备实际运行中的PT铁磁谐振故障,做出正确的判断,为工程实践中正确选择PT选型及消谐措施提供参考价值。The 35 kV power grid of Daqing Oilfield adopts electromagnetic voltage transformer（referred to as PT）to provide voltage for secondary equipment.It is easy to cause PT saturation,ferromagnetic resonance,overvoltage,damage to electrical primary equipment,and serious impact on the system.Safe and stable operation.This article focuses on the 35 kV PT ferromagnetic resonance and suppression measures of Daqing Oilfield Power Grid.It is expected that the maintenance personnel will be able to understand the PT ferromagnetic resonance failure in the actual operation of the equipment,make correct judgments,and make correct choices in engineering practice.PT selection and harmonic elimination measures provide reference value.

关 键 词：35kV电网 PT选型 消谐措施 

分 类 号：TM864[电气工程—高电压与绝缘技术]