Technical research of secondary equipments' state monitoring in smart substation
Technical research of secondary equipments' state monitoring in smart substation
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发表时间：
2015
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通讯作者：
Xu Changba
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作者：
Xu Changba
设备状态监测与评估是设备状态维护的基础。针对智能变电站的技术特点，对智能变电站二次设备状态监测与评估进行了研究。采用IEC61850获取交换机状态信息，选取交换机端口流量、端口接收光强、端口发送光强、工作温度和端口错误率作为交换机的评价指标，采用模糊综合评价法对交换机状态进行综合评价。针对防止保护出口脱扣电路触点粘连、失效、忘铸板等问题，结合智能组件设计后台监控系统，实现检测脱扣触点。针对海湾层与过程层之间的SV、GOOSE收发异常，提出了一种依赖网络数据包分析器诊断方法，用于诊断出海湾层设备或智能组件的故障。
The equipment's state monitoring and evaluation is the foundation of state maintenance.According to the technical features of smart substation,this paper researches on secondary equipments' state monitoring and evaluation in smart substation.Switch state information is acquired with IEC61850,the switch port traffic,port to receiving light intensity,port to sending light intensity,working temperature and port error rate are selected as evaluation indicator of switch,and the switch state is evaluated comprehensively with the fuzzy comprehensive evaluation method.For the problem of preventing the protection of export trip circuit contact adhesion,failure,and forgetting the cast plate,the background monitoring system is designed in conjunction with the intelligent component to realize the inspection trip contact.For SV,GOOSE transceiver anomaly between the bay layer and process layer,it presents a dependency network packet analyzer diagnostic method to diagnose out a bay layer device or intelligent component failure.