Reference Date Title Language CLC/TR 50453:2007 2007-05-16 Evaluation of electromagnetic fields around power transformers     EN 50216-9:2009 2009-03-06 Power transformer and reactor fittings - Part 9: Oil-to-water heat exchangers     EN 60076-1:1997/A12:2002 2002-02-13 Power transformers - Part 1: General     EN 50225:1996 1996-12-11 Code of practice for the safe use of fully enclosed oil-filled electrical equipment which may be contaminated with PCBs     EN 60076-1:1997/A1:2000 2000-11-08 Power transformers - Part 1: General     EN 50464-2-3:2007 2007-04-20 Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 2-3: Distribution transformers with cable boxes on the high-voltage and/or low-voltage side - Cable boxes type 2 for use on distribution transformers meeting the requirements of EN 50464-2-1     EN 50216-8:2005 2005-05-31 Power transformer and reactor fittings - Part 8: Butterfly valves for insulating liquid circuits     EN 50299:2002 2002-11-08 Oil-immersed cable connection assemblies for transformers and reactors having highest voltage for equipment Um from 72,5 kV to 550 kV     CLC/TR 50462:2008 2008-07-04 Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors     EN 60076-13:2006 2006-10-04 Power transformers - Part 13: Self-protected liquid-filled transformers     EN 60076-5:2006 2006-06-09 Power transformers - Part 5: Ability to withstand short-circuit     EN 60076-4:2002 2002-09-10 Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors     EN 60214-1:2003 2003-04-11 Tap-changers - Part 1: Performance requirements and test methods     EN 50464-1:2007 2007-04-20 Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements     EN 50464-2-1:2007 2007-04-20 Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 2-1: Distribution transformers with cable boxes on the high-voltage and/or low-voltage side - General requirements     EN 50464-2-2:2007 2007-04-20 Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 2-2: Distribution transformers with cable boxes on the high-voltage and/or low-voltage side - Cable boxes type 1 for use on distribution transformers meeting the requirements of EN 50464-2-1     EN 50541-1:2011 2011-04-29 Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3 150 kVA, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements     EN 60076-11:2004 2004-07-28 Power transformers - Part 11: Dry-type transformers     EN 50216-2:2002/A1:2002 2002-12-20 Power transformer and reactor fittings - Part 2: Gas and oil actuated relay for liquid immersed transformers and reactors with conservator     EN 60076-3:2001 2001-05-02 Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air     EN 60076-10:2001 2001-07-10 Power transformers - Part 10: Determination of sound levels     EN 61378-2:2001 2001-04-18 Convertor transformers - Part 2: Transformers for HVDC applications     EN 50216-6:2002 2002-01-31 Power transformer and reactor fittings - Part 6: Cooling equipment - Removable radiators for oil-immersed transformers     EN 61378-1:1998 1998-11-23 Convertor transformers - Part 1: Transformers for industrial applications     EN 50216-5:2002 2002-01-11 Power transformer and reactor fittings - Part 5: Liquid level, pressure and flow indicators, pressure relief devices and dehydrating breathers     EN 50216-4:2002 2002-01-11 Power transformer and reactor fittings - Part 4: Basic accessories (earthing terminal, drain and filling devices, thermometer pocket, wheel assembly)     EN 50216-1:2002 2002-01-11 Power transformer and reactor fittings - Part 1: General     EN 50216-7:2002 2002-01-18 Power transformer and reactor fittings - Part 7: Electric pumps for transformer oil     EN 50216-3:2002 2002-01-11 Power transformer and reactor fittings - Part 3: Protective relay for hermetically sealed liquid-immersed transformers and reactors without gaseous cushion     EN 60076-1:1997 1997-05-28 Power transformers - Part 1: General     EN 60076-2:1997 1997-05-28 Power transformers - Part 2: Temperature rise     EN 50195:1996 1996-12-11 Code of practice for the safe use of fully enclosed askarel-filled electrical equipment     HD 538.3 S1:1997 1997-05-06 Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA, with highest voltage for equipment not exceeding 36 kV - Part 3: Determination of the power rating of a transformer loaded with non- sinusoidal current     EN 50216-3:2002/A2:2006 2006-10-11 Power transformer and reactor fittings - Part 3: Protective relay for hermetically sealed liquid-immersed transformers and reactors without gaseous cushion     EN 50216-5:2002/A3:2006 2006-10-11 Power transformer and reactor fittings - Part 5: Liquid level, pressure and flow indicators, pressure relief devices and dehydrating breathers     EN 50216-8:2005/A1:2006 2006-10-11 Power transformer and reactor fittings - Part 8: Butterfly valves for insulating liquid circuits     EN 50464-3:2007 2007-04-20 Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 3: Determination of the power rating of a transformer loaded with non-sinusoidal currents     HD 538.1 S1:1992 1992-11-13 Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements and requirements for transformers with highest voltage for equipment not exceeding 24 kV     HD 538.1 S1:1992/A1:1995 1995-03-29 Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements and requirements for transformers with highest voltage for equipment not exceeding 24 kV     EN 50216-2:2002 2002-01-11 Power transformer and reactor fittings - Part 2: Gas and oil actuated relay for liquid immersed transformers and reactors with conservator     HD 538.2 S1:1995 1995-03-29 Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA, with highest voltage for equipment not exceeding 36 kV - Part 2: Supplementary requirements for transformers with highest voltage for equipment equal to 36 kV     EN 60076-6:2008 2008-07-22 Power transformers - Part 6: Reactors     EN 50216-10:2009 2009-03-06 Power transformer and reactor fittings - Part 10: Oil-to-air heat exchangers     EN 50464-4:2007 2007-04-20 Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 4: Requirements and tests concerning pressurised corrugated tanks     EN 50216-5:2002/A2:2005 2005-05-26 Power transformer and reactor fittings - Part 5: Liquid level, pressure and flow indicators, pressure relief devices and dehydrating breathers     EN 50216-11:2008 2008-09-19 Power transformer and reactor fittings - Part 11: Oil and winding temperature indicators     EN 50464-1:2007/A1:2012 2012-01-20 Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements     EN 50464-4:2007/A1:2011 2011-10-28 Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 4: Requirements and tests concerning pressurised corrugated tanks     EN 50216-12:2011 2011-04-01 Power transformer and reactor fittings - Part 12: Fans     EN 61378-1:2011 2011-11-11 Convertor transformers - Part 1: Transformers for industrial applications     EN 60076-1:2011 2011-11-04 Power transformers - Part 1: General     EN 60076-2:2011 2011-04-01 Power transformers - Part 2: Temperature rise for liquid-immersed transformers     EN 60076-16:2011 2011-10-28 Power transformers - Part 16: Transformers for wind turbines applications     HD 538.1 S1:1992/AC:2011 2011-10-21 Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements and requirements for transformers with highest voltage for equipment not exceeding 24 kV     HD 428.1 S1:1992/AC:2011 2011-10-21 Three-phase oil-immersed distribution transformers 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements and requirements for transformers with highest voltage for equipment not exceeding 24 kV     EN 60076-18:2012 2012-09-28 Power transformers - Part 18: Measurement of frequency response