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Systems

Standards in development (120)

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Standard TitleStatus
Opens a new windowBS EN 13467 Thermal insulating products for building equipment and industrial installations - Determination of dimensions, squareness and linearity of preformed pipe insulationPublic Comment
BS EN 16854 Thermal insulating products for building applications - Determination of soot fire resistancePublic Comment
BS EN 50066 Mini-couplers for the interconnection of electrical mains supplied equipment in road vehiclesPublic Comment
BS EN 50121-1 Railway applications - Electromagnetic compatibility - Part 1: GeneralApproval
BS EN 50121-2 Railway applications - Electromagnetic compatibility - Part 2: Emission of the whole railway system to the outside worldApproval
BS EN 50121-3-1 Railway applications - Electromagnetic compatibility - Part 3-1: Rolling stock - Train and complete vehicleApproval
BS EN 50121-3-2 Railway applications - Electromagnetic compatibility - Part 3-2: Rolling stock - ApparatusPublic Comment
BS EN 50121-4 Railway applications - Electromagnetic compatibility - Part 4: Emission and immunity of the signalling and telecommunications apparatusApproval
BS EN 50121-5 Railway applications - Electromagnetic compatibility - Part 5: Emission and immunity of fixed power supply installations and apparatusAccepted
BS EN 50124-1 Railway applications - Insulation coordination Part 1: Basic requirements - Clearances and creepage distances for all electrical and electronic equipmentPublic Comment
BS EN 50124-2 Railway applications - Insulation coordination Part 2: Overvoltages and related protectionPublic Comment
BS EN 50126-1 Railway Applications - The Specification and Demonstration ofReliability, Availability, Maintainability and Safety (RAMS) Part 1: Generic RAMS ProcessPublic Comment
BS EN 50126-2 Railway Applications - The Specification and Demonstration ofReliability,Availability, Maintainability and Safety (RAMS) Part 2: Systems Approach to SafetyPublic Comment
BS EN 50129 Railway applications - Communication, signalling and processing systems- Safety related electronic systems for signallingAccepted
BS EN 50180-3:2015/A Bushings above 1 kV up to 52 kV and from 250 A to 3,15 kA for liquid filled transformers - Part 3: Requirements for bushing fixationsAccepted
BS EN 50321 Live working - Footwear for electrical protection - Insulating footwear and overbootsPublication
BS EN 50463-1 Railway applications - Energy measurement on board trains Part 1: GeneralPublic Comment
BS EN 50463-2 Railway applications - Energy measurement on board trains Part 2: Energy measuringPublic Comment
BS EN 50463-3 Railway applications - Energy measurement on board trains Part 3: Data handlingPublic Comment
BS EN 50463-4 Railway applications - Energy measurement on board trains Part 4: CommunicationPublic Comment
BS EN 50463-5 Railway applications - Energy measurement on board trains Part 5: Conformity assessmentPublic Comment
BS EN 60034-1 Ed 13.0 Rotating electrical machines Part 1: Rating and performancePublic Comment
BS EN 60034-12 Ed 3.0 Rotating electrical machines Part 12: Starting performance of single-speed three-phase cage induction motorsPublic Comment
BS EN 60034-18-41 Ed 1.0 /A1 Amendment 1 - Rotating electrical machines Part 18-41: Partial discharge free electrical insulation systems (Type I) used in electrical rotating machines fed from voltage converters - Qualification and quality control testsAccepted
BS EN 60034-18-42 Rotating electrical machines Part 18-42: Qualification and acceptance tests for partial discharge resistant electrical insulation systems (Type II) used in rotating electrical machines fed from voltage convertersPublic Comment
BS EN 60034-2-1:2007+A11:2015 Rotating electrical machines - Part 2-1: Standard methods for determining losses and efficiency from tests (excluding machines for traction vehicles)Publication
BS EN 60034-2-3 Rotating electrical machines Part 2-3: Specific test methods for determining losses and efficiency of converter-fed AC motorAccepted
BS EN 60034-23 ED 1.0 Rotating electrical machines Part 23: Specification for the refurbishment of rotating electrical machinesPublic Comment
BS EN 60034-27-1 Rotating electrical machines Part 27-1: Off-line partial discharge measurements on the stator winding insulation of rotating electrical machinesAccepted
BS EN 60034-27-4 Rotating electrical machines - Part 27-4: Measurement of insulation resistance and polarization index on winding insulation of rotating electrical machinesAccepted
BS EN 60034-3 Ed 7.0 Rotating electrical machines Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines and for synchronous compensatorsAccepted
BS EN 60034-30:2009/A11:2015 Rotating electrical machines - Part 30: Efficiency classes of single-speed,three-phase, cage-induction motors (IE-code)Publication
BS EN 60034-4 Ed 4.0 Rotating electrical machines Part 4: Methods for determining synchronous machine quantities from testsPublic Comment
BS EN 60071-2 Insulation co-ordination Part 2 Application Guide (Proposed horizontal standard)Accepted
BS EN 60071-2 ED 3.0/A1 AMD 1 Insulation co-ordination - Part 2: Application guidePublic Comment
BS EN 60112 Method for the determination of the proof and the comparative tracking indices of solid insulating materialsAccepted
BS EN 60137 Ed. 7.0 Insulated bushings for alternating voltages above 1000 VPublic Comment
BS EN 60276 Ed. 2.0 IEC 60276 Ed. 2.0 Definitions and nomenclature for carbon brushes,brush-holders, commutators and slip-ringsPublic Comment
BS EN 60305 Insulators for overhead lines with a nominal voltage above 1000 V ceramic or glass insulator units for a a.c. systems - Characteristics of insulator units of the cap and pin typeAccepted
BS EN 60433 Insulators for overhead lines with a nominal voltage above 1000 V - Ceramic insulators for a.c. systems - Characteristics of insulator units of the long rod typeAccepted
BS EN 60664-3 Insulation coordination for equipment within low voltage systems Part 3: Use of coating, potting or moulding for protection against pollutionApproval
BS EN 60669-1 ED 4.0 Switches for household and similar fixed-electrical installations Part 1: General requirementsApproval
BS EN 60669-2-1:2004+A2:2015 Switches for household and similar fixed electrical installations Part 2-1: Particular requirements - Electronic switchesApproval
BS EN 60669-2-5 ED 1.0 Switches for household and similar fixed electrical installations - Part 2-5: Switches and related accessories for use in home and building electronic systems (HBES)Publication
BS EN 60670-23 ED 1.0/A1 Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 23: Particular requirements for floor boxes and enclosuresPublication
BS EN 60855-1 Live working - Insulating foam-filled tubes and solid rods Part 1: Tubes and rods of a circular cross-sectionPublication
BS EN 60884-2-5 Ed 2.0 for household and similar purposes – Part 2-5: Particular requirements for adaptorsPublic Comment
BS EN 60895 Ed3.0 Live working - Conductive clothingPublic Comment
BS EN 60900 Ed 4.0 Live working - Hand tools for use up to 1 000 V a.c. and 1 500 V d.cPublic Comment
BS EN 60903 Ed 3.0 Live working - Electrical insulating glovesPublication
BS EN 60984 Ed 2.0 Live working – Electrical insulating sleevesPublication
BS EN 61057 Ed2.0 for mounting on a chassisPublic Comment
BS EN 61058-1 Switches for appliances - Part 1: General requirementsPublication
BS EN 61058-1-1 Switches for appliances - Part 1-1: Requirements for mechanical switchesPublication
BS EN 61058-1-2 Switches for appliances - Part 1-2: Requirements for electronic switchedPublication
BS EN 61058-2-6 Switches for appliances - Part 2-6: Particular requirements for switches used in electric motor-operated hand-held tools, transportable tools and lawn and garden machinery.Publication
BS EN 61466-2+A2 Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V Part 2: Dimensional and electrical characteristicsPublic Comment
BS EN 61482-1-1 Ed 2.0 Live working - Protective clothing against the thermal hazards of an electric arc Part 1-1: Test methods - Method 1: Determination of the arc rating (ELIM; ATPV and/or EBT) of clothing materials and of protective clothing using an open arcAccepted
BS EN 61482-2 Ed2.0 against the thermal hazards of an electric arc Part 2: RequirementsPublic Comment
BS EN 61857-31 systems-procedures for thermal evaluation Part 31: Applications with a designed life less than 5000 hoursApproval
BS EN 61857-32 Electrical insulation systems - Procedures for thermal evaluation Part 32: Multifactor evaluation with increased factors during diagnostic testingAccepted
BS EN 61857-33 Electrical insulation systems - Procedures for thermal evaluation Part 33: Multifactor evaluation with increased factors at elevated temperatureAccepted
BS EN 61952-1 Insulators for overhead lines - Composite line post insulators for A.C systems with a nominal voltage greater than 1000 V - Part 1: Definitions, End fittings and DesignationsAccepted
BS EN 61995-1:2008+A1 Devices for the connection of luminaires for household and similar purposes Part 1: General requirementsApproval
BS EN 61995-2:2009+A1 Devices for the connection of luminaires for household and similar purposes Part 2: Standard sheets for DCLPublication
BS EN 62290-3 Ed. 1.0 Railway applications - Urban guided transport management andcommand/control systems Part 3: System requirements specificationsIdea
BS EN 62625-2 Electronic railway equipment - On board driving data recording system Part 2: Conformity testingPublication
BS EN 62631-2-1 Dielectric and resistive properties of solid insulating materials Part 2-1: Relative permittivity and dissipation factor - Technical Frequencies (0.1 Hz - 10 MHz), AC MethodsPublic Comment
BS EN 62631-3-1 Dielectric and resistive properties of solid insulating materials Part 3-1: Determination of resistive properties (DC methods) - Volume resistance and volume resistivity - General methodPublication
BS EN 62631-3-11 Dielectric and resistive properties of solid insulating materials Part 3-11: Determination of resistive properties (DC Methods) - Volume resistance and volume resistivity, method for impregnation and coating materialsPublic Comment
BS EN 62631-3-4 Dielectric and resistive properties of solid insulating materials Part 3-4: Determination of resistive properties (DC methods) - Volume resistance and volume resistivity at elevated temperaturesAccepted
BS EN 62772 Composite hollow core station post insulators for substations with a.c. and d.c.voltages greater than 1 000 V - Definitions, test methods and acceptance criteriaPublication
BS EN 62864-1 ED 1.0 stock - Power supply with onboard energystorage system Part 1: Series hybrid systemPublication
BS EN 62888-6 Ed.1 Railway applications - Energy measurement on board trains Part 6: Requirements for purposes other than billingAccepted
BS EN 62928 Ed1.0 Rolling stock equipment - Onboard lithium-iontraction batteriesPublic Comment
BS EN 62962 Particular requirements for load-shedding equipment (LSE)Public Comment
BS EN 62991 Particular requirements for switching equipment to control power sources(SECPS)Idea
BS EN 63044-1 General requirements for Home and Building Electronic Systems (HBES) andBuilding Automation and Control Systems (BACS) - Part 1: General requirementsPublication
BS EN 63044-3 Home and Building Electronic Systems (HBES) andBuilding Automation and Control Systems (BACS) - Part 3: Electrical safety requirementsPublication
BS EN 63044-5-1 Home and Building Electronic Systems (HBES) andBuilding Automation and Control Systems (BACS) - Part 5-1: EMC requirements, conditions and test set-upPublication
BS EN 63044-5-2 Home and Building Electronic Systems (HBES) andBuilding Automation and Control Systems (BACS) - Part 5-2: EMC requirements for HBES/BACS used in residential, commercial and light industry environmentPublication
BS EN 63044-5-3 Home and Building Electronic Systems (HBES) andBuilding Automation and Control Systems (BACS) - Part 5-3: EMC requirements for HBES/BACS used in industry environmentPublication
BS EN PWI 9-12 Ed. 1.0 Lithium-Ion Traction Batteries for Railways ApplicationsAccepted
BS EN62631-3-2/COR1 Dielectric and resistive properties of solid insulating materials Determination of resistive properties (DC Methods). Surface resistance and surface resistivityPublication
BS ENISO 12569 Thermal performancePublic Comment
BS ENISO 52003-1 Indicators, requirements and certification Part 1: General aspects and application to the overall energy performanceApproval
BS ISO 21105 Performance of buildings - Building enclosure thermal performance verification and commissioning - ProgrammeAccepted
BS ISO 6781-1 Performance of buildings - Detection of heat, air and moisture irregularities in buildings by infrared methods Part 1: General ProceduresAccepted
BS ISO 6781-2 Performance of buildings - Detection of heat, air and moisture irregularities in buildings by infrared methods Part 2: Equipment RequirementsAccepted
BS ISO 12574-1 Thermal insulation - Cellulose-fibre loose-fill for horizontal applications in ventilated roof spaces Part 1: Material specificationPublic Comment
BS ISO 16478 Thermal insulation products - Vacuum insulated panels (VIPs) - SpecificationIdea
BS ISO 17738-1 Thermal insulation products - Exterior insulation and finish systems Part 1: Materials and systemsApproval
BS ISO 17749 Thermal insulation products - Sheep wool board and matApproval
BS ISO 17772-1 Energy performance of buildings - Indoor environmental input parametersApproval
BS ISO 18393-1 Thermal insulation products - Determination of ageing by settlement Part 1: Blown loose-fill insulation for ventilated atticsPublic Comment
BS ISO 18523-1 Schedule and condition of building, zone and room usage for energy calculationApproval
BS ISO 18523-2 Energy performance of buildings - Schedule and condition of building, zone and room usage for energy calculation Part 2: Residential buildingsAccepted
BS ISO 19467 Thermal performance of windows and doors - Determination of solar heat gain coefficient using solar simulatorPublic Comment
BS ISO 20310 Thermal insulation - Aluminium silicate wool products - SpecificationAccepted
BS ISO 7345 Thermal insulation - Physical quantities and definitionsAccepted
BS ISO 8144-1 Thermal insulation - Mineral wool mats for ventilated roof spaces Part 1: Specification for applications with restricted ventilationPublic Comment
BS ISO 8144-2 Thermal insulation - Mineral wool mats for ventilated roof spaces Part 2: Specification for horizontal applications with unrestricted ventilationPublic Comment
BS ISO 8145 Thermal insulation - Mineral wool board for overdeck insulation of roofs - SpecificationPublic Comment
BS ISO 9869-2 Thermal insulation - Building elements - In-situ measurement of thermal resistance Part 2: Infrared methodAccepted
PD CLC/TR 50542-2 Railway applications - Driver's cab Train Display Controller (TDC) Part 2: Display systems FISApproval
PD CLC/TR 50542-3 Train Display Controller (TDC) Part 3: Other train systems FISApproval
PD IEC/TR 60493-3 Ed 1.0 Guide for the statistical analysis of aging test data Part 3: Minimum specimen numbers at different test conditions with given experimental dataAccepted
PD IEC/TR 61243-6 Ed 1.0 Live working - Voltage detectors Part 6: Guidelines on non-contact voltage detectors (NCVD) for use at nominal voltages above 1 kV a.c.Approval
PD IEC/TR 61328 Ed 3.0 Live working - Guidelines for the installation of transmission & distribution line conductors and earthwires - Stringing equipment and accessory itemsApproval
PD IEC/TR 61916 Ed 4.0 Electrical accessories – Harmonization of general rulesApproval
PD IEC/TR 63021 Ed. 1.0 Natural graphite brush for rotating electrical machinery Part 1: Natural graphite brush for slip-ring in wound rotor-type asynchronous motor – Application informationPublication
PD IEC/TR 63040 Ed 1.0 Guidance concerning clearances and creepage distances in particular for distances equal or less than 2MM - Test Results of researches conducted on influencing parametersPublication
PD IEC/TS 62735-2 Direct current (D.C.) plugs and socket-outlets for information and communication technology (ICT) equipment installed in data centres and telecom central offices - Part 2: Plug and socket-outlet system for 5,2 kWPublication
PD IEC/TS 60034-30-2 Ed 1.0 Rotating electrical machines Part 30-2: Efficiency classes of variable speed AC motors (IE-code)Approval
PD IEC/TS 60034-32 Ed1.0 Rotating electrical machines - Part 32: Measurement of stator end winding vibration at form wound windingsApproval
PD IEC/TS 60815-4 ED 1.0 Selection and dimensioning of high-voltage insulators intended for usein polluted conditions - Part 4: Insulators for d.c. systemsPublication
PD IEC/TS 62993 Guidance for determination of clearances; creepage distances and require for solid insulation for equipment with a rated voltage above 1 000 V a.c. and 1 500 V d.c. up to 2 000 V a.c. and 3 000 V d.c.Accepted
PD ISO/TR 17772-2 Energy performance of buildings - Overall Energy performance Assessment Procedures Part 2: Guideline for using indoor environmental input parameters for the design and assessment of energy performance of buildingsAccepted
PD ISO/TR 52000-2 Energy performance of buildings - Overarching EPB assessment Part 2: Explanation and justification of ISO 52000-1Accepted
PD ISO/TR 52003-2 Indicators, requirements and certification Part 2: Explanation and justification of ISO 52003-1Approval

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Published standards (53)

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Standard referenceNameStatus
PD IEC/TS 62758:2012Calibration of space charge measuring equipment based on the pulsed electroacoustic (PEA) measurement principleCurrent
DD IEC/TS 61934:2011Electrical insulating materials and systems. Electrical measurement of partial discharges (PD) under short rise time and repetitive voltage impulsesCurrent
DD IEC/TS 61934:2006Electrical insulating materials and systems. Electrical measurement of partial discharges (PD) under short rise time and repetitive voltage impulsesWithdrawn
BS EN 62068:2013Electrical insulating materials and systems. General method of evaluation of electrical endurance under repetitive voltage impulsesCurrent
BS EN 62114:2001Electrical insulation systems (EIS). Thermal classificationWithdrawn
DD IEC/TS 62332-1:2005Electrical insulation systems (EIS). Thermal evaluation of combined liquid and solid components - General requirementsWithdrawn
PD IEC/TS 62332-3:2016Electrical insulation systems (EIS). Thermal evaluation of combined liquid and solid components - Hermetic motor-compressorsCurrent
PD IEC/TS 62332-2:2014Electrical insulation systems (EIS). Thermal evaluation of combined liquid and solid components - Simplified testCurrent
DD IEC/TS 62332-1:2011Electrical insulation systems (EIS). Thermal evaluation of combined liquid and solid components - General requirementsCurrent
BS EN 62068-1:2003Electrical insulation systems. Electrical stresses produced by repetitive impulses - General method of evaluation of electrical enduranceWithdrawn
BS EN 61857-23:2002Electrical insulation systems. Procedures for thermal evaluation - Specific requirements for general purpose, tall-channel model. Wire-wound electrical insulation system (EIS)Withdrawn
BS EN 61857-21:1999Electrical insulation systems. Procedures for thermal evaluation - Specific requirements for general-purpose model. Wire-wound applicationsWithdrawn
BS EN 61857-1:2009Electrical insulation systems. Procedures for thermal evaluation - General requirements. Low-voltageCurrent
PD IEC/TR 61857-2:2015Electrical insulation systems. Procedures for thermal evaluation - Selection of the appropriate test method for evaluation and classification of electrical insulation systemsCurrent
BS EN 61857-21:2004Electrical insulation systems. Procedures for thermal evaluation - Specific requirements for general purpose models. Wire-wound applicationsWithdrawn
BS EN 61857-22:2002Electrical insulation systems. Procedures for thermal evaluation - Specific requirements for encapsulated-coil model. Wire-wound electrical insulation system (EIS)Withdrawn
BS EN 61857-22:2008Electrical insulation systems. Procedures for thermal evaluation - Specific requirements for encapsulated-coil model. Wire-wound electrical insulation system (EIS)Current
BS EN 61857-21:2009Electrical insulation systems. Procedures for thermal evaluation - Specific requirements for general-purpose models. Wire-wound applicationsCurrent
BS EN 61857-1:1999Electrical insulation systems. Procedures for thermal evaluation - General requirements. Low-voltageWithdrawn
BS EN 61857-1:2005Electrical insulation systems. Procedures for thermal evaluation - General requirements. Low-voltageWithdrawn
BS EN 61858-2:2014Electrical insulation systems. Thermal evaluation of modifications to an established electrical insulation system (EIS) - Form-wound EISCurrent
BS EN 61858-1:2014Electrical insulation systems. Thermal evaluation of modifications to an established electrical insulation system (EIS) - Wire-wound winding EISCurrent
BS EN 61858:2000Electrical insulation systems. Thermal evaluation of modifications to an established wire-wound EISWithdrawn
BS EN 61858:2008Electrical insulation systems. Thermal evaluation of modifications to an established wire-wound EISWithdrawn
BS EN 61858:2005Electrical insulation systems. Thermal evaluation of modifications to an established wire-wound EISWithdrawn
BS EN 60505:2000Evaluation and qualification of electrical insulation systemsWithdrawn
BS EN 60505:2004Evaluation and qualification of electrical insulation systemsWithdrawn
BS EN 60505:2011Evaluation and qualification of electrical insulation systemsCurrent
BS EN 60071-5:2015Insulation co-ordination - Procedures for high-voltage direct current (HVDC) converter stationsCurrent
PD IEC/TR 60071-4:2004Insulation co-ordination - Computational guide to insulation co-ordination and modelling of electrical networks Current
BS EN 60071-1:2006+A1:2010Insulation co-ordination - Definitions, principles and rulesCurrent
BS EN 60664-5:2007Insulation coordination for equipment within low-voltage systems - Comprehensive method for determining clearances and creepage distances equal to or less than 2 mmCurrent
BS EN 60664-3:2003+A1:2010Insulation coordination for equipment within low-voltage systems - Use of coating, potting or moulding for protection against pollutionCurrent, Work in Hand
BS EN 60664-1:2003Insulation coordination for equipment within low-voltage systems - Principles, requirements and testsWithdrawn
BS EN 60664-5:2003Insulation coordination for equipment within low-voltage systems - A comprehensive method for determining clearances and creepage distances equal to or less than 2 mmWithdrawn
BS EN 60664-1:2007Insulation coordination for equipment within low-voltage systems - Principles, requirements and testsCurrent
PD IEC/TR 60664-2-1:2011Insulation coordination for equipment within low-voltage systems - Application guide. Explanation of the application of the IEC 60664 series, dimensioning examples and dielectric testingCurrent
BS EN 60664-4:2006Insulation coordination for equipment within low-voltage systems - Consideration of high-frequency voltage stressCurrent
BS EN 61479:2001Live working. Flexible conductor covers (line hoses) of insulating materialCurrent
BS EN 50124-1:2001+A2:2005Railway applications. Insulation coordination - Basic requirements. Clearances and creepage distances for all electrical and electronic equipmentCurrent, Work in Hand
BS EN 50124-2:2001Railway applications. Insulation coordination - Overvoltages and related protectionCurrent, Work in Hand
BS EN 60034-18-1:2010Rotating electrical machines - Functional evaluation of insulation systems. General guidelinesCurrent
DD CLC/TS 60034-18-42:2011Rotating electrical machines - Qualification and acceptance tests for partial discharge resistant electrical insulation systems (Type II) used in rotating electrical machines fed from voltage convertersCurrent
BS EN 60034-18-21:2013Rotating electrical machines - Functional evaluation of insulation systems. Test procedures for wire-wound windings. Thermal evaluation and classificationCurrent
BS EN 60034-18-31:2012Rotating electrical machines - Functional evaluation of insulation systems. Test procedures for form-wound windings. Thermal evaluation and classification of insulation systems used in rotating machinesCurrent
BS EN 60034-18-34:2012Rotating electrical machines - Functional evaluation of insulation systems. Test procedures for form-wound windings. Evaluation of thermomechanical endurance of insulation systemsCurrent
BS EN 60034-18-32:2010Rotating electrical machines - Functional evaluation of insulation systems. Test procedures for form-wound windings. Evaluation by electrical enduranceCurrent
DD CLC/TS 60034-18-33:2011Rotating electrical machines - Functional evaluation of insulation systems. Test procedures for form-wound windings. Multifactor evaluation by endurance under simultaneous thermal and electrical stressesCurrent
BS EN 60034-18-31:1994Rotating electrical machines. Functional evaluation of insulation systems - Test procedures for form-wound windings. Thermal evaluation and classification of insulation systems used in machines up to and including 50 MVA and 15 KVWithdrawn
DD CLC/TS 60034-18-34:2004Rotating electrical machines. Functional evaluation of insulation systems - Test procedures for form-wound windings. Evaluation of thermomechanical endurance of insulation systemsWithdrawn
BS EN 60034-18-1:1994Rotating electrical machines. Functional evaluation of insulation systems - General guidelinesWithdrawn
BS EN 60034-18-22:2001Rotating electrical machines. Functional evaluation of insulation systems - Test procedures for wire-wound windings. Classification of changes and insulation component substitutionsCurrent
BS EN 60034-18-21:1994Rotating electrical machines. Functional evaluation of insulation systems - Test procedures for wire-wound windings. Thermal evaluation and classification.Withdrawn

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