母联开关代路运行时RADSS母差保护存在的问题
摘要：本文结合一次设备异常处理过程分析了在母联兼旁路开关代路运行方式下RADSS型母差保护存在的问题及改进措施.
关键词：母差保护,母联兼旁路,存在问题,改进措施
一起励磁系统起励异常事故的原因分析
[摘要]某发电公司#1机组A级检修后启动试验过程中发生了励磁调节器异常,不能正常起励,且励磁变差动保护动作报警（该保护只作用于报警,未投跳闸）的异常情况.经过设备检查检查、向量分析与现场录波对比,终于将异常情况产生原因彻底查清.本文通过异常情况分析、查找的过程,分析了变压器一次绕组断相与反相的向量关系,对于专业技术人员分析问题、解决问题有很好的借鉴作用.
[关键词] 励磁系统；可控硅；差动保护；向量分析
Mother league switch and running RADSS road differential bus protection existing problems
Abstract: combining with an abnormal process equipment in this bus coupler and bypass the switch and operation mode RADSS under way type differential bus protection problems and the improvement measures.
Keywords: mother differential protection, bus coupler and bypass, existing problems, the improvement measures
Together the excitation system shunt abnormal the cause of the accident analysis
[abstract] A power generation company # 1 unit A level after repair start experiment during an abnormal excitation adjuster, not normal to the excitation, and excitation become differential protection action alarm (the protection only used to call the police, pitched trip) abnormalities. After equipment check check, vector analysis and field wave record contrast, finally will cause abnormal conditions thoroughly checked out. This article through the abnormal situation analysis, search process, analyzes the transformer winding a broken inverse relationship between the vector facies, professional and technical personnel to analyze and solve problems have very good reference.
[key words] excitation system; Silicon controlled; Differential protection; Vector analysis.
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