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This part of IEC 61557 specifies the requirements for insulation fault location systems which localize insulation faults 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 voltages up to 1500 V d.c., independent of the measuring principle.
Author | VDE |
---|---|
Editor | VDE |
Document type | Standard |
Format | Paper |
ICS | 17.220.20 : Measurement of electrical and magnetic quantities
|
Number of pages | 34 |
Replace | DIN EN 61557-9 (2009-11) |
Cross references | EN 61557-9 (2015-02), IDT |
Modified by | DIN EN 61557-9 Berichtigung 1 (2017-05) |
Weight(kg.) | 0.1578 |
Year | 2015 |
Document history | DIN EN 61557-9 (2015-10) |
Country | Germany |
Keyword | DIN EN 61557;EN 61557;EN 61557-9;61557 |