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IEC 60255-22-4:2008 ED3

Measuring relays and protection equipment - Part 22-4: Electrical disturbance tests - Electrical fast transient/burst immunity test
14 pri 2008

General information

99.60     24 maj 2013

IEC

TC 95

International Standard

29.120.70     33.100.10     33.100.20  

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Scope

IEC 60255-22-4:2008 specifies the general requirements for electrical fast transient immunity tests for measuring relays and protection equipment for power system protection, including the control, monitoring and process interface equipment used with these systems. Is based on IEC 61000-4-4. The objective of the tests is to confirm that the equipment under test will operate correctly when energized and subjected to repetitive fast transients (bursts) such as those originating from interrupting of inductive loads, relay contact bounce, etc. The main change with respect to the previous edition is the improvement of the test severity level regarding the repetition rate.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60255-22-4:2002 ED2

NOW

WITHDRAWN
IEC 60255-22-4:2008 ED3
99.60 Withdrawal effective
24 maj 2013

REVISED BY

WITHDRAWN
IEC 60255-26:2013 ED3