IEC 60700-1-2015 pdf download
IEC 60700-1-2015 pdf download.Thyristor valves for high voltage direct current (HVDC) power transmission – Part 1: Electrical testing. This part of IEC 60700 applies 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...
IEC 60675-2018 pdf download
IEC 60675-2018 pdf download.Household electric direct-acting room heaters – Methods for measuring performance. 8 Temperature rises of air-outlet grilles and external surfaces The temperature rises of air-outlet grilles of convector heaters and fan heaters are determined. The temperature rises of external surfaces are determined except for: – heaters for mounting...
IEC 60603-7-81-2015 pdf download
IEC 60603-7-81-2015 pdf download.Connectors for electronic equipment – Part 7-81: Detail specification for 8-way, shielded, free and fixed connectors, for data transmissions with frequencies up to 2 000 MHz. 4 Cable terminations and internal connections – Fixed and free connectors See Clause 4 of IEC 60603-7-1 :201 1 for cable...
IEC 60599-2015 pdf download
IEC 60599-2015 pdf download.Mineral oil-filled electrical equipment in service – Guidance on the interpretation of dissolved and free gases analysis. 4 Mechanisms of gas formation 4.1 Decomposition of oil Mineral insulating oils are made of a blend of different hydrocarbon molecules containing CH 3 , CH 2 and CH chemical...
IEC 60522-1-2020 pdf download
IEC 60522-1-2020 pdf download.Medical electrical equipment – Diagnostic X-rays – Part 1: Determination of quality equivalent filtration and permanent filtration. 4 Determination of QUALITY EQUIVALENT FILTRATION 4.1 Alignment of X- RAY TUBE ASSEMBLIES and of the FILTERS If, apart from the X- RAY TUBE ASSEMBLY under test, a reference X-...
IEC 60512-1-2018 pdf download
IEC 60512-1-2018 pdf download.Connectors for electrical and electronic equipment – Tests and measurements – Part 1: Generic specification. This part of IEC 6051 2 is intended to be used as a basis for tests and measurements specifications for electrical connectors. It provides guidance and reference for tests and measurements within...
IEC 60502-1-2021 pdf download
IEC 60502-1-2021 pdf download.Power cables with extruded insulation and their accessories for rated voltages from 1 kV (U m = 1,2 kV) up to 30 kV (U m = 36 kV) – Part 1: Cables for rated voltages of 1 kV (U m = 1,2 kV) and 3 kV (U...
IEC 60464-2-2014 pdf download
IEC 60464-2-2014 pdf download.Varnishes used for electrical insulation – Part 2: Methods of test. This part of IEC 60464 specifies methods of test to be used for testing varnishes used for electrical insulation. This includes methods of test to be applied before and others to be applied after drying and/or...
IEC 60433-2021 pdf download
IEC 60433-2021 pdf download.Insulators for overhead lines with a nominal voltage above 1 000 V – Ceramic insulators for AC systems – Characteristics of insulator units of the long rod type. This International Standard is applicable to string insulator units of the long rod type with insulating parts of ceramic...
IEC 60424-3-2015 pdf download
IEC 60424-3-2015 pdf download.Ferrite cores – Guidelines on the limits of surface irregularities – Part 3: ETD-cores, EER-cores, EC-cores and E-cores. This part of IEC 60424 gives guidelines on allowable limits of surface irregularities applicable to ETD-cores, EER-cores, EC-cores and E-cores in accordance with the relevant general specification. This standard...