IEC 61557-8:2007/COR1:2007
Corrigendum 1 - 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:2007-05-23 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,可能会出现绝缘故障,导致电气安全事故的发生。因此,为了保障电气安全,需要对低压配电系统进行绝缘监测。IEC 61557-8:2007/COR1:2007 标准就是为了规范绝缘监测设备的性能要求、测试方法和标记要求,以确保设备的可靠性和安全性。

该标准主要针对IT系统的绝缘监测设备,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IT系统中,绝缘监测设备可以实时监测绝缘电阻的变化情况,及时发现绝缘故障,避免电气安全事故的发生。

IEC 61557-8:2007/COR1:2007 标准规定了绝缘监测设备的性能要求,包括测量范围、测量精度、响应时间、报警方式等。同时,该标准还规定了测试方法,包括设备的校准、测试和验证。此外,标准还规定了设备的标记要求,以便用户能够正确使用和维护设备。

绝缘监测设备是保障电气安全的重要设备之一,其可靠性和安全性对于低压配电系统的正常运行至关重要。因此,IEC 61557-8:2007/COR1:2007 标准的制定和实施,对于提高低压配电系统的电气安全水平具有重要意义。

相关标准
- IEC 61557-1:2007 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 1: General requirements
- IEC 61557-2:2007 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 2: Insulation monitoring devices
- IEC 61557-3:2007 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 3: Loop impedance
- IEC 61557-4:2007 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 4: Resistance of earth connection and equipotential bonding
- IEC 61557-5:2007 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 5: Resistance to earth