直流电源系统绝缘监测装置的校验检测技术

摘要

直流电源系统是为控制、保护、通信等负荷提供正常运行用电源和电网故障后快速恢复运行的事故用电源；是保障发电厂升压站、变电站、换流站等安全运行的重要设备；而绝缘监测装置则是保证直流电源系统正常运行的重要手段之一。绝缘监测装置的性能直接影响直流电源系统的安全运行，因此，必须开展相关的检测或考核验证。探讨了变电站直流电源系统绝缘监测装置的校验检测技术，阐述并分析了校验装置的检测电路原理，为有效地开展绝缘监测装置的校验提供了参考。%DC auxiliary power system provides working supply and emergency supply for control , protection, communication and other loads , and it is the important device to guarantee the safe operation of booster station , substation and converter sta-tion.Especially, insulation monitoring device is one of the important methods for ensuring the normal operation of DC auxiliary power system .The properties of insulation monitoring device directly affect the safe operation of DC auxiliary power system . Therefore, the relevant detection or calibration must be carried out .The calibration and detection technologies for insulation monitoring device of DC auxiliary power system in substation are discussed .The principle of detection circuit is described and analyzed for calibration device , which provides a reference for effective calibration of insulation monitoring device .