EN 60076-2:2011
Current
Current
The latest, up-to-date edition.
Power transformers - Part 2: Temperature rise for liquid-immersed transformers
Published date
04-01-2011
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FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Cooling methods
5 Normal cooling conditions
6 Temperature rise limits
7 Temperature rise tests
Annex A (informative) - Hot-spot winding temperature
rise determination for OFAF and OFWF cooled
transformers based on the top-liquid temperature
in tank
Annex B (informative) - Methods to estimate the hot-spot
winding temperature rises
Annex C (informative) - Techniques used in temperature rise
testing of liquid-immersed transformers
Annex D (informative) - Dissolved gases analysis for the
detection of local overheating
Annex E (informative) - Application of optical fibre sensors for
winding hot-spot measurements
Bibliography
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications
IEC 60076-2:2011 applies to liquid-immersed transformers, identifies power transformers according to their cooling methods, defines temperature rise limits and gives the methods for temperature rise tests. This new edition includes the following significant technical changes with respect to the previous edition: - the winding hot-spot temperature rise limit was introduced among the prescriptions; - the procedures for the temperature rise test were improved in relation to the new thermal requirements; - five informative annexes were added in order to facilitate the implementation of this standard.
| Committee |
CLC/TC 14
|
| DevelopmentNote |
Supersedes HD 398.2. (11/2009)
|
| DocumentType |
Standard
|
| PublisherName |
European Committee for Standards - Electrical
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| PN EN 60076-2 : 2011 | Identical |
| SN EN 60076-2 : 1997 | Identical |
| VDE 0532-102 : 1997 | Identical |
| NEN EN IEC 60076-2 : 2011 | Identical |
| UNE-EN 60076-2:2013 | Identical |
| CEI EN 60076-2 : 2015 | Identical |
| NBN EN 60076-2 : 2011 | Identical |
| BS EN 60076-2:2011 | Identical |
| I.S. EN 60076-2:2011 | Identical |
| DIN EN 60076-2 : 2012 | Identical |
| NF EN 60076-2 : 2011 | Identical |
| VDE 0532-76-2 : 2012 | Identical |
| IEC 60076-2:2011 | Identical |
| BS EN 60076-11:2004 | Power transformers Dry-type transformers |
| BS EN 60076-13:2006 | Power transformers Self-protected liquid-filled transformers |
| BS EN 50329 : 2003 | RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS |
| I.S. EN 60726:2003 | DRY-TYPE POWER TRANSFORMERS |
| CEI EN 60076-14 : 2014 | POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS |
| CEI EN 60076-11 : 2006 | POWER TRANSFORMERS - PART 11: DRY-TYPE TRANSFORMERS |
| UNE-EN 50541-1:2012 | 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 |
| UNE-EN 61378-1:2012 | Convertor transformers -- Part 1: Transformers for industrial applications |
| BS EN 60076-6:2008 | Power transformers Reactors |
| CEI EN 61378-2 : 2002 | CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS |
| I.S. EN 60076-11:2004 | POWER TRANSFORMERS - PART 11: DRY-TYPE TRANSFORMERS |
| I.S. EN 62271-212:2017 | HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 212: COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATION (CEADS) |
| I.S. EN 60296:2012 | FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED MINERAL INSULATING OILS FOR TRANSFORMERS AND SWITCHGEAR (IEC 60296:2012 (EQV)) |
| I.S. EN 60076-14:2013 | POWER TRANSFORMERS - PART 14: LIQUIDIMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS (IEC 60076-14:2013 (EQV)) |
| UNE-EN 62271-212:2017 | High-voltage switchgear and controlgear - Part 212: Compact Equipment Assembly for Distribution Substation (CEADS) |
| BS EN 12111:2014 | Tunnelling machines. Road headers and continuous miners. Safety requirements |
| EN 16191:2014 | Tunnelling machinery - Safety requirements |
| HD 637 S1:1999/corrigendum:2005 | POWER INSTALLATIONS EXCEEDING 1 KV A.C. |
| EN 60076-11:2004 | Power transformers - Part 11: Dry-type transformers |
| EN 62271-212:2017 | High-voltage switchgear and controlgear - Part 212: Compact Equipment Assembly for Distribution Substation (CEADS) |
| EN 50541-1:2011 | 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 62271-202:2014/AC:2014 | HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 202: HIGH-VOLTAGE/LOW-VOLTAGE PREFABRICATED SUBSTATION (IEC 62271-202:2014) |
| EN 61378-1:2011 | Convertor transformers - Part 1: Transformers for industrial applications |
| EN 60726:2003 | Dry-type power transformers |
| 10/30233949 DC : 0 | BS EN 12111 - TUNNELLING MACHINES - ROAD HEADERS, CONTINUOUS MINERS AND IMPACT RIPPERS - SAFETY REQUIREMENTS |
| BS EN 60076-14:2013 | Power transformers Liquid-immersed power transformers using high-temperature insulation materials |
| UNI EN 16191 : 2014 | TUNNELLING MACHINERY - SAFETY REQUIREMENTS |
| BS EN 50541-1:2011 | Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3150 kVA, with highest voltage for equipment not exceeding 36 kV General requirements |
| BS EN 16191:2014 | Tunnelling machinery. Safety requirements |
| UNE-EN 60076-14:2014 | Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials |
| CEI EN 60076-16 : 2012 | POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATIONS |
| I.S. EN 60076-13:2006 | POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID-FILLED TRANSFORMERS |
| I.S. EN 50299:2004 | OIL-IMMERSED CABLE CONNECTION ASSEMBLIES FOR TRANSFORMERS AND REACTORS HAVING HIGHEST VOLTAGE FOR EQUIPMENT U[M] FROM 72.5 KV TO 550 KV |
| I.S. EN 62271-202:2014 | HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 202: HIGH-VOLTAGE/LOW-VOLTAGE PREFABRICATED SUBSTATION |
| I.S. HD 637:1999 | POWER INSTALLATIONS EXCEEDING 1 KV A.C. |
| CEI EN 61378-1 : 2012 | CONVERTOR TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS |
| I.S. EN 12111:2014 | TUNNELLING MACHINES - ROAD HEADERS AND CONTINUOUS MINERS - SAFETY REQUIREMENTS |
| VDE 0532-42 : 2001 | CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS |
| BS EN 60296:2012 | Fluids for electrotechnical applications. Unused mineral insulating oils for transformers and switchgear |
| CEI EN 50541-1 : 2011 | THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 KVA TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS |
| DIN EN 16191:2014-09 | TUNNELLING MACHINERY - SAFETY REQUIREMENTS |
| BS EN 50327:2003 | Railway applications. Fixed installations. Harmonisation of the rated values for converter groups and tests on converter groups |
| CEI EN 60310 : 2016 | RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK |
| I.S. EN 60310:2016 | RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK |
| I.S. EN 60076-19:2015 | POWER TRANSFORMERS - PART 19: RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS |
| I.S. EN 50541-1:2011 | THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 KVA TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS |
| PREN 50541-1 : DRAFT 2009 | THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS AND REQUIREMENTS FOR DRY TYPE TRANSFORMERS WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV |
| UNE-EN 60076-19:2016 | Power transformers - Part 19: Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors |
| EN 61936-1 : 2010 AMD 1 2014 | POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES (IEC 61936-1:2010/A1:2014) |
| I.S. EN 60076-6:2008 | POWER TRANSFORMERS - PART 6: REACTORS |
| CEI EN 60296 : 2013 | FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED MINERAL INSULATING OILS FOR TRANSFORMERS AND SWITCHGEAR |
| UNE-EN 62271-202:2015 | High-voltage switchgear and controlgear - Part 202: High-voltage/low-voltage prefabricated substation |
| EN 60296:2012 | Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear |
| EN 50532:2010 | Compact Equipment Assembly for Distribution Substations (CEADS) |
| UNI EN 12111 : 2014 | TUNNELLING MACHINES - ROAD HEADERS AND CONTINUOUS MINERS - SAFETY REQUIREMENTS |
| 09/30211604 DC : 0 | BS EN 50541-1 - THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS AND REQUIREMENTS FOR DRY TYPE TRANSFORMERS WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV |
| DIN EN 16191 E : 2014 | TUNNELLING MACHINERY - SAFETY REQUIREMENTS |
| BS EN 60470:2001 | High-voltage alternating current contactors and contactor-based motor starters |
| I.S. EN 50532:2010 | COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATIONS (CEADS) |
| BS EN 60076-16:2011 | Power transformers Transformers for wind turbines applications |
| BS EN 61378-1:2011 | Convertor transformers Transformers for industrial applications |
| EN IEC/IEEE 65700 : 2018 | BUSHINGS FOR DC APPLICATION (IEC/IEEE 65700-19-03:2014) |
| UNE-EN 60076-16:2012 | Power transformers - Part 16: Transformers for wind turbines applications |
| BS EN 60076-1:2011 | Power transformers General |
| BS EN 60726:2003 | Dry-type power transformers |
| BS EN 60310:2016 | Railway applications. Traction transformers and inductors on board rolling stock |
| I.S. EN 16191:2014 | TUNNELLING MACHINERY - SAFETY REQUIREMENTS |
| CEI EN 60076-1 : 2015 | POWER TRANSFORMERS - PART 1: GENERAL |
| CEI EN 60076-6 : 2015 | POWER TRANSFORMERS - PART 6: REACTORS |
| I.S. EN 61936-1:2010 | POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES |
| BS EN 62271-212:2017 | High-voltage switchgear and controlgear Compact Equipment Assembly for Distribution Substation (CEADS) |
| BS EN 50532:2010 | Compact equipment assembly for distribution substations (CEADS) |
| UNE-EN 60076-1:2013 | Power transformers - Part 1: General |
| 09/30202403 DC : 0 | BS EN 50532 - COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATIONS (CEADS) |
| UNE-EN 60296:2012 | Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear |
| UNE-EN 50532:2011 | Compact Equipment Assembly for Distribution Substations (CEADS) |
| BS EN 61936-1 : 2010 | POWER INSTALLATIONS EXCEEDING 1 KV A.C - PART 1: COMMON RULES |
| UNE-EN 61936-1:2012 | Power installations exceeding 1 kV a.c. -- Part 1: Common rules |
| EN 60076-16:2011 | Power transformers - Part 16: Transformers for wind turbines applications |
| CEI EN 60076-13 : 2007 | POWER TRANSFORMERS - PART 13: SELF PROTECTED LIQUID FILLED TRANSFORMERS |
| I.S. EN 50327:2003 | RAILWAY APPLICATIONS - FIXED INSTALLATIONS - HARMONISATION OF THE RATED VALUES FOR CONVERTER GROUPS AND TESTS ON CONVERTER GROUPS |
| BS EN 61800-4:2003 | Adjustable speed electrical power drive systems General requirements. Rating specifications for a.c. power drive systems above 1000 V a.c. and not exceeding 35 kV |
| BS EN 60076-19:2015 | Power transformers Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors |
| I.S. EN 60076-16:2011 | POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATIONS (IEC 60076-16:2011) |
| I.S. EN 50329:2007 | RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS |
| I.S. EN 60076-1:2011 | POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011) |
| I.S. EN IEC/IEEE 65700:2018 | BUSHINGS FOR DC APPLICATION |
| I.S. EN 61378-1:2011 | CONVERTOR TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS (IEC 61378-1:2011) |
| CEI EN 61800-4 : 2003 | ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 4: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR A/C/ POWER DRIVE SYSTEMS ABOVE 1000 V A.C. AND NOT EXCEEDING 35 KV |
| I.S. EN 61800-4:2003 | ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 4: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR A.C. POWER DRIVE SYSTEMS ABOVE 1000 V A.C. AND NOT EXCEEDING 35 KV |
| BS EN 62271-202:2014 | High-voltage switchgear and controlgear High-voltage/low-voltage prefabricated substation |
| EN 50327 : 2003 AMD 1 2005 | RAILWAY APPLICATIONS - FIXED INSTALLATIONS - HARMONISATION OF THE RATED VALUES FOR CONVERTER GROUPS AND TESTS ON CONVERTER GROUPS |
| EN 50329:2003/A1:2010 | RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS |
| EN 60076-6:2008 | Power transformers - Part 6: Reactors |
| EN 60076-13 : 2006 | POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID-FILLED TRANSFORMERS |
| EN 60076-19:2015 | Power transformers - Part 19: Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors |
| EN 61800-4:2003 | Adjustable speed electrical power drive systems - Part 4: General requirements - Rating specifications for a.c. power drive systems above 1 000 V a.c. and not exceeding 35 kV |
| EN 60076-1:2011 | POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011) |
| EN 12111:2014 | Tunnelling machines - Road headers and continuous miners - Safety requirements |
| EN 60310:2016/AC:2018-03 | RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK (IEC 60310:2016/COR1:2018) |
| EN 60076-14:2013 | Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials |
| IEC 60076-7:2005 | Power transformers - Part 7: Loading guide for oil-immersed power transformers |
| EN 60085:2008 | Electrical insulation - Thermal evaluation and designation |
| IEC 60599:2015 | Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis |
| IEEE C57.91-2011 REDLINE | IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators |
| IEC 60567:2011 | Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance |
| IEC 61099:2010 | Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes |
| IEC 60076-8:1997 | Power transformers - Part 8: Application guide |
| IEC 60836:2015 | Specifications for unused silicone insulating liquids for electrotechnical purposes |
| IEC 60085:2007 | Electrical insulation - Thermal evaluation and designation |
| IEC 60296:2012 RLV | Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear |
| IEC GUIDE 115:2007 | Application of uncertainty of measurement to conformity assessment activities in the electrotechnical sector |
| EN 61181:2007/A1:2012 | MINERAL OIL-FILLED ELECTRICAL EQUIPMENT - APPLICATION OF DISSOLVED GAS ANALYSIS (DGA) TO FACTORY TESTS ON ELECTRICAL EQUIPMENT (IEC 61181:2007/A1:2012) |
| IEC 60076-1:2011 | Power transformers - Part 1: General |
| CLC/TR 50462:2008 | Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors |
| EN 60076-1:2011 | POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011) |
| IEC 61181:2007+AMD1:2012 CSV | Mineral oil-filled electrical equipment - Application of dissolved gas analysis (DGA) to factory tests on electrical equipment |
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