BAS EN 61557-3:2009
Električna sigurnost u distributivnim sistemima niskog napona do 1000 V naizmjenično (a.c.) i 1500 V istosmjerno (d.c.) - Oprema za ispitivanje, mjerenje ili nadzor zaštitnih mjera - Dio 3: Impedansa petlje
Opće informacije
Status: Povučen
Broj strana: 21
Jezik: Engleski
Izdanje: 2.
Metoda usvajanja: Proglašavanje
Nadnevak objave: 11.12.2009
Direktiva:
2006/95/EC, Niskonaponska oprema;
2014/35/EU, Niskonaponska oprema;
2014/35/EU, Niskonaponska oprema;
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Apstrakt
This part of IEC 61557 specifies the requirements applicable to equipment for measuring the loop impedance between a phase conductor and the protective conductor or between a phase conductor and neutral or between two phase conductors by using the voltage drop when the circuit under test is loaded.
This second edition cancels and replaces the first edition published in 1997. This edition constitutes a technical revision.
The following changes were made with respect to the previous edition:
a) definitions complemented;
b) revision of some requirements;
c) addition of information on operating instructions;
d) addition of new influence quantities E9 and E10.
Životni ciklus
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Izvorni dokument i stepen usklađenosti
- EN 61557-3:2007, identičan
- IEC 61557-3:2007, identičan