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Full Description

IEC 60255-22-5:2008 specifies the general requirements for surge immunity tests for measuring relays and protection equipment for power system protection, including the control, monitoring and process interface equipment used with those systems. Is based on IEC 61000-4-5. The objective of the tests is to confirm that the equipment under test will operate correctly when energized and subjected to high-energy disturbances on the power and interconnection lines, caused by surge voltages from switching and lightning effects. The main change in this new edition concerns line to earth tests.
 

Document History

  1. IEC 60255-22-5 Ed. 2.0 b:2008

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    Measuring relays and protection equipment - Part 22-5: Electrical disturbance tests - Surge immunity test

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  2. IEC 60255-22-5 Ed. 1.0 b:2002


    Electrical relays - Part 22-5: Electrical disturbance tests for measuring relays and protection equipment - Surge immunity test

    • Historical Version