基于电气主接线图的变电站一次设备绝缘点监测研究  

Research on Insulation Point Monitoring of Primary Equipment in Substations Based on Electrical Main Wiring Diagram

作　　者：马永顺 刘银国 MA Yongshun;LIU Yinguo(Hainan Power Supply Company of State Grid Qinghai Electric Power Company,Hainan,Qinghai 813099,China)

机构地区：[1]国网青海省电力公司海南供电公司,青海海南813099

出　　处：《东北电力技术》2024年第11期32-36,共5页Northeast Electric Power Technology

摘　　要：变电站内一次设备种类繁多,包括变压器、断路器、隔离开关、电流互感器、电压互感器等,每种设备的绝缘结构和工作环境都有所不同,这增加了监测的复杂性。为此,提出基于电气主接线图的变电站一次设备绝缘点监测方法。绘制电气主接线图,提取绝缘暂态响应信号能量熵特征,应用修正量子粒子群算法,监测绝缘老化点。试验结果表明,绝缘响应信号的训练结果与理想信号具有高度一致性,该方法对变电站一次设备绝缘点监测的灵敏度非常高,可以更好地对变电站一次设备的绝缘状态进行实时、准确监测。There are many types of primary equipment in substations,including transformers,circuit breakers,isolating switches,current transformers,voltage transformers,etc.The insulation structure and working environment of each equipment are different,which increases the complexity of monitoring.Therefore,a method for monitoring the insulation points of primary equipment in substations based on the electrical main wiring diagram is proposed.It draws the electrical main wiring diagram,extracts the energy entropy characteristics of the insulation transient response signal,applys the modified quantum particle swarm algorithm,and monitors the insulation aging points.The experimental results show that the training results of the insulation response signal are highly consistent with the ideal signal.The research method has a high sensitivity for monitoring the insulation points of primary equipment in substations.

关 键 词：电气主接线图 变电站 一次设备 绝缘点监测 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]