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IEC 61557-3 Revised

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
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.
BASE PUBLICATION
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A more recent version of this publication exists: IEC 61557-3:2019 RLV

Technical committee

TC 85 Measuring equipment for electrical and electromagnetic quantities
Publication typeInternational Standard
Publication date2007-01-29
Edition2.0
ICS

17.220.20

29.080.01

29.240.01

Stability date2019
ISBN number2831889863
Pages19
File size281.29 KB
EditionDatePublicationEditionStatus

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