NEN-IEC 61557-9
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 9: Equipment for insulation fault location in IT systems
inactive, Most Current
| Organization: | NEN |
| Publication Date: | 1 October 1999 |
| Status: | inactive |
| Page Count: | 34 |
| ICS Code (Power transmission and distribution networks in general): | 29.240.01 |
| ICS Code (Measurement of electrical and magnetic quantities): | 17.220.20 |
| ICS Code (Electrical insulation in general): | 29.080.01 |
scope:
Specifies the requirements for insulation fault location systems which localize insulation fauls in any part of the system in unearthed IT a.c. systems and unearthed IT a.c. systems with galvanically connected d.c. circuits having nominal voltages up to 1000 V a.c. as well as in unearthed IT d.c. systems with volrages up to 1500 d.c. independent of the measuring principle.
Document History
NEN-IEC 61557-9
October 1, 1999
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 9: Equipment for insulation fault location in IT systems
Specifies the requirements for insulation fault location systems which localize insulation fauls in any part of the system in unearthed IT a.c. systems and unearthed IT a.c. systems with galvanically...