I.S. EN 60726:2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
DRY-TYPE POWER TRANSFORMERS
Hardcopy , PDF
24-08-2004
English
01-01-2003
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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FOREWORD
PREFACE
SECTION ONE - GENERAL
1 Scope
2 Service conditions
3 Definitions
4 Tappings
5 Connections
6 Ability to withstand short circuit
SECTION TWO - RATING
7 Rating
8 Rating plates
SECTION THREE - COOLING METHODS AND TEMPERATURE RISE
9 Identification according to cooling method
10 Temperature-rise limits
SECTION FOUR - INSULATION LEVELS
11 Insulation levels
SECTION FIVE - TESTS
12 General requirements for tests
13 Measurement of winding resistance
14 Measurement of voltage ratio and check of voltage
vector relationship
15 Measurement of impedance voltage (principal tapping),
short-circuit impedance and load loss
16 Measurement of no-load loss and current
17 Separate-source voltage withstand test
18 Induced overvoltage withstand test
19 Lightning impulse test
20 Partial discharge measurement
21 Temperature-rise test
22 Measurement of sound level
23 Short-circuit test
24 Tolerances
SECTION SIX - ENCLOSURES
25 Degrees of protection provided by enclosures
APPENDIX A - Information required with enquiry and order
APPENDIX B - Unusual service conditions
Describes requirements for dry-type power transformers (including auto-transformers) having values of highest voltage for equipment up to and including 36 kV.
| DevelopmentNote |
Supersedes I.S. HD 464 (03/2003)
|
| DocumentType |
Standard
|
| Pages |
77
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| BS EN 60726:2003 | Identical |
| UNE-EN 60726:2003 | Identical |
| NBN EN 60726 : 2003 | Identical |
| EN 60726:2003 | Identical |
| DIN EN 60726 : 2003 | Identical |
| NF EN 60726 : 2003 | Identical |
| SN EN 60726 : 2003 | Identical |
| IEC 60270:2000+AMD1:2015 CSV | High-voltage test techniques - Partial discharge measurements |
| EN 60076-5:2006 | Power transformers - Part 5: Ability to withstand short-circuit |
| IEC 60076-5:2006 | Power transformers - Part 5: Ability to withstand short circuit |
| EN 60270:2001/A1:2016 | HIGH-VOLTAGE TEST TECHNIQUES - PARTIAL DISCHARGE MEASUREMENTS (IEC 60270:2000/A1:2015) |
| IEC 60085:2007 | Electrical insulation - Thermal evaluation and designation |
| IEC 60076-3:2013 | Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air |
| HD 566 : 200S1 | THERMAL EVALUATION AND CLASSIFICATION OF ELECTRICAL INSULATION |
| IEC 60529:1989+AMD1:1999+AMD2:2013 CSV | Degrees of protection provided by enclosures (IP Code) |
| IEC 60076-1:2011 | Power transformers - Part 1: General |
| EN 60071-1:2006/A1:2010 | INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES |
| IEC 60084:1957 | Recommendations for Mercury-arc Convertors |
| EN 60076-1:2011 | POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011) |
| IEC 60071-3:1982 | Insulation co-ordination - Part 3: Phase-to-phase insulation co-ordination - Principles, rules and application guide |
| IEC 60071-2:1996 | Insulation co-ordination - Part 2: Application guide |
| IEC 60076-2:2011 | Power transformers - Part 2: Temperature rise for liquid-immersed transformers |
| EN 60071-2:1997 | Insulation co-ordination - Part 2: Application guide |
| IEC 60186:1987 | Voltage transformers |
| IEC 60119:1960 | Recommendations for polycrystalline semiconductor rectifier stacks and equipment |
| EN 60529:1991/AC:2016-12 | DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015) |
| IEC 60071-1:2006+AMD1:2010 CSV | Insulation co-ordination - Part 1: Definitions, principles and rules |
| EN 60076-2:2011 | Power transformers - Part 2: Temperature rise for liquid-immersed transformers |
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