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THYRISTOR VALVES FOR HIGH VOLTAGE DIRECT CURRENT (HVDC) POWER TRANSMISSION - PART 1: ELECTRICAL TESTING
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Available format(s): Hardcopy, PDF
Superseded date: 09-11-2021
Language(s): English
Published date: 01-01-2015
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.
National ForewordFOREWORD1 Scope2 Normative references3 Terms and definitions4 General requirements5 List of type tests6 Dielectric tests on valve support7 Dielectric tests for multiple valve units (MVU)8 Dielectric tests between valve terminals9 Periodic firing and extinction tests10 Tests with transient forward voltage during the recovery period11 Valve fault current tests12 Tests for valve insensitivity to electromagnetic disturbance13 Testing of special features and fault tolerance14 Production tests15 Method for loss determination16 Presentation of type test resultsAnnex A (normative) - Test safety factorsAnnex B (normative) - Partial discharge measurementsAnnex ZA (normative) - Normative references to international publications with their corresponding European publications
Pertains to thyristor valves with metal oxide surge arresters directly connected between the valve terminals, for use in a line commutated converter for high voltage d.c. power transmission or as part of a back-to-back link.
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