银川东750kV变电站的电容型设备绝缘状态在线监测

摘要

In order to ensure electrical equipmentss＇ safe and steady operation in Yinchuan Eastern 750 kV Substation,using advanced signal and measurement technology,phase metering benchmark acquisition technology,establishes the on-line monitoing system for insulation state of electrical equipments.realizes the on-line monitoring for bushing and CVT which on both sides of the high and medium voltage winding in 750 kV main transformer.The operation results show that the every target of on-line monitoring system has achieved the technical requires of real time monitoring for insulation state of capacitive equipments.%为了保证银川东750 kV变电站电气设备安全、稳定运行,采用了先进的信号及测量技术、相位测量基准获取技术,建立了电气设备绝缘状态在线监测系统。实现了对750 kV主变压器套管及主变压器高、中压两侧CVT的在线监测。运行结果表明：在线监测系统各项指标达到了对电容型设备绝缘状态进行实时监测的技术要求。