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ELECTRICAL RELAYS - PART 22-7: ELECTRICAL DISTURBANCE TESTS FOR MEASURING RELAYS AND PROTECTION EQUIPMENT - POWER FREQUENCY IMMUNITY TESTS
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Available format(s): Hardcopy, PDF
Superseded date: 13-09-2013
Language(s): English
Published date: 01-01-2005
Publisher: National Standards Authority of Ireland
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.Only cited Standards give presumption of conformance to New Approach Directives/Regulations.Dates of withdrawal of national standards are available from NSAI.
Foreword1 Scope and object2 Normative references3 Definitions4 Test severity levels5 Test equipment 5.1 Test generator 5.2 Verification of the test generator 5.3 Coupling networks6 Test set-up 6.1 Earthing connections 6.2 Auxiliary equipment7 Test procedure8 Criteria for acceptance9 Test reportAnnex A (informative) Background information for power frequency testsAnnex ZA (normative) Normative references to international publications with their corresponding European publications
Specifies the general requirements for power frequency immunity tests for measuring relays and protection equipment for power system protection, including the control, monitoring and process interface equipment used with those systems.
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