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I.S. EN 60076-11:2004

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

POWER TRANSFORMERS - PART 11: DRY-TYPE TRANSFORMERS
Available format(s)

Hardcopy , PDF

Withdrawn date

19-09-2021

Language(s)

English

Published date

01-01-2004

Preview

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.

FOREWORD
1 Scope
2 Normative references
3 Definitions
4 Service conditions
    4.1 General
    4.2 Normal service conditions
    4.3 Electromagnetic compatibility (EMC)
    4.4 Provision for unusual service conditions
    4.5 Transport and storage conditions
5 Tappings
6 Connections
7 Ability to withstand short circuit
8 Rating
    8.1 General
    8.2 Rated power
    8.3 Preferred values of rated power
    8.4 Operation at higher than rated voltage
    8.5 Operation with fan cooling
    8.6 Operation in an enclosure
9 Rating plate
    9.1 Rating plate fitted to the transformer
    9.2 Rating plate fitted to the transformer enclosure
10 Identification according to cooling method
    10.1 Identification symbols
    10.2 Arrangement of symbols
11 Temperature-rise limits
    11.1 Normal temperature-rise limits
    11.2 Reduced temperature rises for transformers designed
         for high cooling air temperatures or special air
         cooling conditions
    11.3 High altitude temperature rise correction
12 Insulation levels
    12.1 General
    12.2 Transformers for use at high altitudes
13 Climatic, environmental and fire behaviour classes
    13.1 Climatic classes
    13.2 Environmental classes
    13.3 Fire behaviour classes
    13.4 Test criteria for climatic, environmental and
         fire behaviour classes
14 General requirements for tests
15 Measurement of winding resistance (routine test)
16 Measurement of voltage ratio and check of phase
    displacement (routine test)
17 Measurement of short-circuit impedance and load loss
    (routine test)
18 Measurement of no-load loss and current (routine
    test)
19 Separate-source AC withstand voltage test (routine
    test)
20 Induced AC withstand voltage test (routine test)
21 Lightning impulse test (type test)
22 Partial discharge measurement (routine and special
    test)
    22.1 General
    22.2 Basic measuring circuit (typical only)
    22.3 Calibration of the measuring circuit
    22.4 Voltage application
    22.5 Partial discharge acceptance levels
23 Temperature-rise test (type test)
    23.1 General
    23.2 Methods of loading
    23.3 Winding temperature-rise correction for reduced
         current
    23.4 Determination of steady state conditions
24 Measurement of sound level (special test)
25 Short-circuit test (special test)
26 Environmental test (special test)
    26.1 General
    26.2 Validity of the test
    26.3 Testing procedure
27 Climatic test (special test)
    27.1 Thermal shock test (special test)
    27.2 Validity of the test
    27.3 Thermal shock test for C1 class transformers
    27.4 Thermal shock test for C2 class transformers
28 Fire behaviour test (special test)
    28.1 General
    28.2 Checking of corrosive and harmful gases emission
    28.3 Fire behaviour test for F1 class transformer
    28.4 Quantities to be measured and measuring devices
    28.5 Calibration of the test chamber without test
         object
    28.6 Test method
    28.7 Test report
    28.8 Criteria for evaluating the test results
29 Tolerances
30 Protection against direct contact
31 Degrees of protection provided by enclosures
32 Earthing terminal
33 Information required with enquiry and order
Annex A (informative) Installation and safety of dry-type
                      transformers

Applicable to dry-type power transformers (including auto-transformers) having values of highest voltage for equipment up to and including 36 kV and at least one winding operating at greater than 1,1 kV. Applies to all construction technologies.

DevelopmentNote
Supersedes I.S. EN 60726. (09/2004) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
89
PublisherName
National Standards Authority of Ireland
Status
Withdrawn
Supersedes

Standards Relationship
EN 60076-11:2004 Identical
BS EN 60076-11:2004 Identical
UNE-EN 60076-11:2005 Identical
NBN EN 60076-11 : 2005 Identical
DIN EN 60076-11 : 2005 Identical
NF EN 60076-11 : 2004 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 60076-10:2016 Power transformers - Part 10: Determination of sound levels
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
EN 60076-10:2016 Power transformers - Part 10: Determination of sound levels
EN 61330:1996 High-voltage/low-voltage prefabricated substations
IEC 61330:1995 High-voltage/low voltage prefabricated substations
IEC 60076-3:2013 Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
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 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
IEC 60905:1987 Loading guide for dry-type power transformers
IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
EN 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
IEC 60332-3-10:2000+AMD1:2008 CSV Tests on electric and optical fibre cables under fire conditions - Part 3-10: Test for vertical flame spread of vertically-mounted bunched wires or cables - Apparatus

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