IEC 61557-8:2014
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systems
发布时间:2014-12-11 实施时间:


低压配电系统是现代工业生产中不可或缺的一部分,但是在使用过程中,由于各种原因,可能会出现电气设备的绝缘损坏,导致电气设备的安全性受到威胁。因此,为了确保电气设备的安全性,需要对电气设备进行绝缘监测。而绝缘监测设备的测试、测量或监测设备的标准就是IEC 61557-8:2014。

IEC 61557-8:2014 标准主要适用于IT系统中的绝缘监测设备。IT系统是指在该系统中,电源与地之间没有直接连接,而是通过绝缘电阻连接。在这种系统中,如果绝缘损坏,可能会导致电流通过绝缘电阻,形成漏电流,从而对人身安全造成威胁。因此,对于IT系统中的绝缘监测设备,需要进行测试、测量或监测,以确保其正常工作。

IEC 61557-8:2014 标准规定了绝缘监测设备的测试、测量或监测的要求,包括绝缘电阻的测量、漏电流的监测、报警和故障指示等。此外,该标准还规定了绝缘监测设备的性能要求,包括精度、稳定性、抗干扰能力等。

绝缘监测设备是保障电气设备安全的重要设备,其测试、测量或监测的准确性和可靠性对于电气设备的安全性至关重要。因此,IEC 61557-8:2014 标准的实施,可以有效地提高电气设备的安全性,保障人身安全。

相关标准
- IEC 61557-1:2007 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 1: General requirements
- IEC 61557-2:1997 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance
- IEC 61557-3:2007 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance
- IEC 61557-4:1997 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Earth electrode resistance and earth insulation resistance
- IEC 61557-5:2007 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth