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    • Rectifiers. Converters. Stabilized power supply
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    IEC 60146-5 : 1ED 88

    SEMICONDUCTOR CONVERTORS - SWITCHES FOR INTERRUPTIBLE POWER SYSTEMS (UPS SWITCHES)

    International Electrotechnical Committee

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    IEC 60044-4 : 1ED 80

    INSTRUMENT TRANSFORMERS - MEASUREMENT OF PARTIAL DISCHARGES

    International Electrotechnical Committee

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    IEC 60700 : 1ED 81

    TESTING OF SEMICONDUCTOR VALVES FOR HIGH VOLTAGE D.C. POWER TRANSMISSION

    International Electrotechnical Committee

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    IEC 60146-4 : 1ED 86

    SEMICONDUCTOR CONVERTORS - METHOD OF SPECIFYING THE PERFORMANCE AND TEST REQUIREMENTS OF UNINTERRUPTIBLE POWER SYSTEMS

    International Electrotechnical Committee

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    IEC 60146-3 : 1ED 77

    SEMICONDUCTOR CONVERTORS - SEMICONDUCTOR DIRECT D.C. CONVERTORS (D.C. CHOPPER CONVERTORS)

    International Electrotechnical Committee

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    IEC 60237 : 1ED 67

    IGNITRONS TO BE USED IN WELDING MACHINE CONTROL

    International Electrotechnical Committee

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    IEC 62040-4 : 1ED 2013

    UNINTERRUPTIBLE POWER SYSTEMS (UPS) - PART 4: ENVIRONMENTAL ASPECTS - REQUIREMENTS AND REPORTING

    International Electrotechnical Committee

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    IEC 62747 : 2014 COR 1 2015

    TERMINOLOGY FOR VOLTAGE-SOURCED CONVERTERS (VSC) FOR HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS

    International Electrotechnical Committee

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    IEC 62751-2 : 1ED 2014

    POWER LOSSES IN VOLTAGE SOURCED CONVERTER (VSC) VALVES FOR HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS - PART 2: MODULAR MULTILEVEL CONVERTERS

    International Electrotechnical Committee

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    IEC 62751-1 : 2018 (CON ED) 1.1

    POWER LOSSES IN VOLTAGE SOURCED CONVERTER (VSC) VALVES FOR HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS - PART 1: GENERAL REQUIREMENTS

    International Electrotechnical Committee

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