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IEC TS 63042-301 - UHV AC transmission systems – Part 301: On-site acceptance tests
December 1, 2018 - IEC

This part of IEC 63042, which is a technical specification, applies to on-site acceptance tests of electrical equipment with the highest voltages of AC transmission system exceeding 800 kV. The electrical equipment exceeding 800 kV includes the following items: power transformers; circuit...

DS/EN 50064 - High-voltage switchgear and controlgear – Gas-filled wrought aluminium and aluminium alloy enclosures
November 12, 2018 - DS

This document applies to wrought aluminium and aluminium alloy enclosures and their welding. These enclosures are pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor and outdoor installations of high-voltage switchgear and...

DS/EN 50069 - High-voltage switchgear and controlgear – Gas-filled welded composite enclosures of cast and wrought aluminium alloys
November 6, 2018 - DS

This document applies to welded composite enclosures of cast and wrought aluminium alloy pressurized with dry air, inert gases (e.g. sulphur hexafluoride or nitrogen or a mixture of such gases), used in indoor and outdoor installations of high-voltage switchgear and controlgear with rated voltages...

IEC 60076-3 - Power transformers – Part 3: Insulation levels, dielectric tests and external clearances in air
March 1, 2018 - IEC

This International Standard applies to power transformers as defined by and in the scope of IEC 60076-1. It gives details of the applicable dielectric tests and minimum dielectric test levels. Recommended minimum external clearances in air between live parts and between live parts and...

DS/EN 50216-4 - Power transformer and reactor fittings - Part 4: Basic accessories (earthing terminal, drain and filling devices, thermometer pocket, wheel assembly)
February 16, 2015 - DS

EN 50216-4 specifies basic accessories of transformers / reactors, such as - Thermometer pockets, to be used for liquid immersed transformers, - Earth terminals; to be used for liquid immersed and dry-type transformers, - Draining plugs, to be used for liquid immersed...

SNZ AS/NZS 60076.3 - Power transformers Part 3: Insulation levels, dielectric tests and external clearances in air
October 31, 2017 - SNZ

This International Standard applies to power transformers as defined by and in the scope of IEC 60076-1. It gives details of the applicable dielectric tests and minimum dielectric test levels. Recommended minimum external clearances in air between live parts and between live parts and...

IEC 62271-110 REDLINE - High-voltage switchgear and controlgear - Part 110: Inductive load switching
October 1, 2017 - IEC

This part of IEC 62271 is applicable to AC switching devices designed for indoor or outdoor installation, for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1 000 V and applied for inductive current switching. It is applicable to switching devices (including...

DS/EN 60445 - Basic and safety principles for man-machine interface, marking and identification – Identification of equipment terminals, conductor terminations and conductors
November 27, 2017 - DS

NEW!IEC 60445:2017 is available as IEC 60445:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC...

IEC 61347-2-11 - Lamp controlgear - Part 2-11: Particular requirements for miscellaneous electronic circuits used with luminaires
July 1, 2017 - IEC

This part of IEC 61347 specifies general and safety requirements for miscellaneous electronic circuits used with luminaires for use on a.c. supplies up to 1 000 V at 50 Hz or 60 Hz and/or d.c. supplies up to 1 000 V. This part of IEC 61347 does not apply to circuits or devices for which specific...

DS/EN 50052 - High-voltage switchgear and controlgear – Gas-filled cast aluminium alloy enclosures
December 19, 2016 - DS

This European Standard applies to cast aluminium alloy enclosures pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor or outdoor installations of high-voltage switchgear and controlgear above 1 kV, where the gas is used...

IEC TR 60919-1 - Performance of high-voltage direct current (HVDC) systems with linecommutated converters - Part 1: Steady-state conditions
May 1, 2017 - IEC

This part of the IEC 60919 provides general guidance on the steady-state performance requirements of high-voltage direct current (HVDC) systems. It concerns the steady-state performance of two-terminal HVDC systems utilizing 12-pulse converter units comprised of three-phase bridge (double- way)...

ITU-T K.110 - Lightning protection of the dedicated transformer for radio base station
December 1, 2015 - ITU-T

This Recommendation addresses the lightning protection of dedicated transformers used to provide electrical power for radio base stations (RBSs). It contains procedures for earthing, bonding and direct lightning protection of the dedicated transformer, including protection...

DS/EN 50152-3-2 - Railway applications – Fixed installations – Particular requirements for a.c. switchgear – Part 3-2: Measurement, control and protection devices for specific use in a.c. traction systems – Current transformers
June 29, 2016 - DS

This EN 50152-3-2 is applicable to new current transformers which are for indoor or outdoor fixed installations in tractions systems, and operated with an a.c. line voltage and frequency as specified in EN 50163. NOTE 1 - EN 50163 specifies the a.c. traction systems 15 kV 16,7 Hz and 25 kV...

DS/EN 50152-3-3 - Railway applications – Fixed installations – Particular requirements for a.c. switchgear – Part 3-3: Measurement, control and protection devices for specific use in a.c. traction systems – Voltage transformers
June 29, 2016 - DS

This EN 50152 3 3 is applicable to new voltage transformers which are: - intended for use in indoor or outdoor fixed installations in tractions systems, and - operated with an a.c. line voltage and frequency as specified in EN 50163. NOTE 1 - EN 50163 specifies the a.c. traction systems 15...

IEC 61800-3 - Adjustable speed electrical power drive systems – Part 3: EMC requirements and specific test methods
February 1, 2017 - IEC

This part of IEC 61800 specifies electromagnetic compatibility (EMC) requirements for power drive systems (PDSs, defined in 3.1). These are adjustable speed AC or DC motor drives. Requirements are stated for PDSs with converter input and/or output voltages (line-to-line voltage), up to 35 kV AC RMS...

IEC 61800-3 REDLINE - Adjustable speed electrical power drive systems – Part 3: EMC requirements and specific test methods
February 1, 2017 - IEC

This part of IEC 61800 specifies electromagnetic compatibility (EMC) requirements for power drive systems (PDSs, defined in 3.1). These are adjustable speed AC or DC motor drives. Requirements are stated for PDSs with converter input and/or output voltages (line-to-line voltage), up to 35 kV AC RMS...

CEI EN 50588-1 - Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV Part 1: General requirements
June 1, 2016 - CEI

This European Standard covers medium power transformers. 'Medium power transformer' means a power transformer with a highest voltage for equipment higher than 1,1 kV, but not exceeding 36 kV and a rated power equal to or higher than 5 kVA but lower than 40 MVA. National...

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