IEC 60076-21:2011
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Power transformers - Part 21: Standard requirements, terminology, and test code for step-voltage regulators
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
31-12-2021
English
15-12-2011
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1. Overview
2. Normative references
3. Definitions
4. Service conditions
5. Rating data
6. Construction
7. Other requirements
8. Test code
9. Control systems
Annex A (informative) - Unusual temperature and altitude
conditions
Annex B (informative) - Field dielectric tests
Annex C (informative) - Bibliography
Annex D (informative) - IEEE List of Participants
IEC 60076-21:2011/IEEE Std C57.15:2009 - Description of design types, tables of 50 Hz and 60 Hz ratings, supplementary ratings, construction, and available accessories are provided. Methods for performing routine and design tests applicable to liquid-immersed single and three-phase step-voltage regulators are described. Winding resistance measurements, polarity tests, insulation power factor and resistance tests, ratio tests, no load loss and excitation current measurements, impedance and load loss measurements, dielectric tests, temperature tests, routine and design impulse tests, short-circuit tests, control tests, calculated data, and certified test data are covered.
| DevelopmentNote |
Also numbered as IEEE C57.15. (12/2011)
|
| DocumentType |
Standard
|
| Pages |
103
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| IS 2026 : Part 21 : 2018 | Identical |
| BS IEC 60076-21:2011 | Identical |
| NEN IEC 60076-21 : 2012 | Identical |
| 13/30265253 DC : 0 | BS EN 60214-1 ED 2 - TAP-CHANGERS - PART 1: PERFORMANCE REQUIREMENTS AND TEST METHODS |
| BS EN 60214-1:2014 | Tap-changers Performance requirements and test methods |
| NF EN 60214-1 : 2015 | TAP-CHANGERS - PART 1: PERFORMANCE REQUIREMENTS AND TEST METHODS |
| IEC 60214-1:2014 | Tap-changers - Part 1: Performance requirements and test methods |
| UNE-EN 60214-1:2015 | Tap-changers - Part 1: Performance requirements and test methods |
| I.S. EN 60214-1:2014 | TAP-CHANGERS - PART 1: PERFORMANCE REQUIREMENTS AND TEST METHODS |
| EN 60214-1:2014 | Tap-changers - Part 1: Performance requirements and test methods |
| IEC 60255-22-1:2007 | Measuring relays and protection equipment - Part 22-1: Electrical disturbance tests - 1 MHz burst immunity tests |
| IEEE 62-1995 | IEEE Guide for Diagnostic Field Testing of Electric Power Apparatus - Part 1: Oil Filled Power Transformers, Regulators, and Reactors |
| IEC 61000-4-11:2004+AMD1:2017 CSV | Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests |
| IEC 61000-4-8:2009 | Electromagnetic compatibility (EMC) - Part 4-8: Testing and measurement techniques - Power frequency magnetic field immunity test |
| IEEE C57.12.00-2015 | IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers |
| IEEE C57.19.00 : 2004 | GENERAL REQUIREMENTS AND TEST PROCEDURE FOR POWER APPARATUS BUSHINGS |
| IEEE C57.91-2011 REDLINE | IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators |
| IEC 60255-22-5:2008 | Measuring relays and protection equipment - Part 22-5: Electrical disturbance tests - Surge immunity test |
| IEC 60076-4:1976 | Power transformers - Part 4: Tappings and connections |
| IEEE C57.12.90-2010 | IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers |
| IEEE 4-2013 | IEEE Standard for High-Voltage Testing Techniques |
| IEEE 315 : 1975 | GRAPHIC SYMBOLS FOR ELECTRICAL AND ELECTRONICS DIAGRAMS (INCLUDING REFERENCE DESIGNATION LETTERS) |
| IEEE C37.90.3-2001 | IEEE Standard Electrostatic Discharge Tests for Protective Relays |
| IEEE C57.104-2008 | IEEE Guide for the Interpretation of Gases Generated in Oil-Immersed Transformers |
| IEEE C57.98-2011 | IEEE Guide for Transformer Impulse Tests |
| ANSI C84.1 : 2016 | ELECTRIC POWER SYSTEMS AND EQUIPMENT - VOLTAGE RATINGS (60 HERTZ) |
| IEEE C2-2017 | NATIONAL ELECTRICAL SAFETY CODE (NESC)(R) |
| IEC 60255-22-6:2001 | Electrical relays - Part 22-6: Electrical disturbance tests for measuring relays and protection equipment - Immunity to conducted disturbances induced by radio frequency fields |
| IEC 60255-22-3:2007 | Measuring relays and protection equipment - Part 22-3: Electrical disturbance tests - Radiated electromagnetic field immunity |
| IEC 60068-2-2:2007 | Environmental testing - Part 2-2: Tests - Test B: Dry heat |
| IEEE C37.90.2:2004 | WITHSTAND CAPABILITY OF RELAY SYSTEMS TO RADIATED ELECTROMAGNETIC INTERFERENCE FROM TRANSCEIVERS |
| IEC 60255-5:2000 | Electrical Relays - Part 5: Insulation coordination for measuring relays and protection equipment - Requirements and tests |
| IEEE C57.12.20-2011 REDLINE | IEEE Standard for Overhead-Type Distribution Transformers 500 kVA and Smaller: High Voltage, 34 500 V and Below; Low Voltage, 7970/13 800Y V and Below |
| IEEE C37.90.1-2012 | IEEE Standard for Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power Apparatus |
| IEC 60255-22-2:2008 | Measuring relays and protection equipment - Part 22-2: Electrical disturbance tests - Electrostatic discharge tests |
| IEC 60255-21-1:1988 | Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section One: Vibration tests (sinusoidal) |
| IEEE C57.12.31-2010 | IEEE Standard for Pole-Mounted Equipment--Enclosure Integrity |
| IEC 60068-2-1:2007 | Environmental testing - Part 2-1: Tests - Test A: Cold |
| IEEE C57.106-2006 | IEEE Guide for Acceptance and Maintenance of Insulating Oil in Equipment |
| IEC 60214-2:2004 | Tap-changers - Part 2: Application guide |
| IEC 60214-1:2014 | Tap-changers - Part 1: Performance requirements and test methods |
| IEC 60255-22-4:2008 | Measuring relays and protection equipment - Part 22-4: Electrical disturbance tests - Electrical fast transient/burst immunity test |
| IEEE C57.131-2012 | IEEE Standard Requirements for Tap Changers |
| IEC 60068-2-30:2005 | Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle) |
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