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IEC 60354:1991

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Loading guide for oil-immersed power transformers
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

12-15-2005

Language(s)

English - French, English, French

Published date

10-15-1991

Publisher

International Electrotechnical Committee

FOREWORD
Section 1. General
1.1 Scope
1.2 Object
1.3 Definitions
1.4 General limitations and effects of loading
      beyond nameplate rating
1.5 Specific limitations for distribution transformers
1.6 Specific limitations for medium power transformers
1.7 Specific limitations for large power transformers
Section 2. Determination of temperatures
2.1 Symbols
2.2 Direct measurement of hot-spot temperature
2.3 Assumed thermal characteristics
2.4 Steady-state temperature equations
2.5 Transient temperature equations
2.6 Thermal ageing of transformer insulation
2.7 Ambient temperature
2.8 Computer program
Section 3. Loading tables
3.1 Limitations applicable to loading tables
3.2 Method of representing an actual load cycle by an
 equivalent two-step rectangular load cycle
3.3 Normal continuous loading
3.4 Normal cyclic loading
3.5 Emergency cyclic loading
Annexes
A Equivalent rating for auto-transformers
B Alternative method for determining the winding
      oil average temperature rise
C Information to be supplied with enquiry and order
D Calculation of parameters for sinusoidal variation
      of ambient temperature
E Example of simplified application of the guide

Provides recommendations for the specification and loading of power transformers complying with IEC 60076, from the point of view of operating temperatures and thermal ageing. Gives recommendations for loading above the name-plate rating and guidance for the planner to choose rated quantities for new installations.

Committee
TC 14
DevelopmentNote
Also numbered as BS 7735(1994) (10/2005) Also numbered as AS 2374.7. (08/2006)
DocumentType
Standard
Pages
157
PublisherName
International Electrotechnical Committee
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
VDE 0536 : 1977 Identical
PN IEC 60354 : 1999 Identical
NEN NPR 10354 : 1992 Identical
CEI 14-15 : 2006 Identical
SAC GB/T 15164 : 1994 Identical
UNE 20110:1995 Identical
DIN VDE 0536 : 1977 Identical
DIN 57536 : 1977 Identical
DIN 57536 : 1977 Corresponds

BS IEC 60076-8:1997 Power transformers Application guide
CEI 14-4/8 : 2001 POWER TRANSFORMERS - APPLICATION GUIDE
96/205920 DC : 0 PREN 50216-10-1 - POWER TRANSFORMERS AND REACTOR FITTINGS - PART 10: COOLING EQUIPMENT - SECTION 1: REMOVABLE RADIATORS FOR OIL-IMMERSED TRANSFORMERS
CEI EN 61378-2 : 2002 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
11/30253145 DC : 0 BS EN 62271-202 ED2 - HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 202: HIGH-VOLTAGE/LOW-VOLTAGE PREFABRICATED SUBSTATION
EN 60214:1997 On-load tap-changers
02/205931 DC : DRAFT MAY 2002 IEC 60214-2. ED.1 - TAP CHANGERS - PART 2: APPLICATION GUIDE
03/100561 DC : DRAFT JULY 2003 IEC 60422 ED.3 - SUPERVISION AND MAINTENANCE GUIDE FOR MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT
98/232755 DC : DRAFT DEC 1998 IEC 61936-1 - POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES
CEI 14-41 : 2011 TAP-CHANGERS - PART 2: APPLICATION GUIDE
IEC 60076-7:2018 Power transformers - Part 7: Loading guide for mineral-oil-immersed power transformers
NF EN 50329 : 2005 AMD 1 2011 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS
BS 4571:1994 On-load tap-changers
VDE 0532-42 : 2001 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
BS 4571:1978 Specification for on-load tap-changers
BS EN 60214:1998 On-load tap-changers
BS 171-1:1978 Power transformers General
04/30111589 DC : 0
10/30215366 DC : 0 BS EN 60422 - MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT - SUPERVISION AND MAINTENANCE GUIDANCE
IEC 61378-2:2001 Convertor transformers - Part 2: Transformers for HVDC applications
BS 223:1985 Specification for bushings for alternating voltages above 1000 V
I.S. HD 428.1:1992 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
02/207269 DC : 0 IEC 60422 ED.3 - SUPERVISION AND MAINTENANCE GUIDE FOR MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT
BS QC 790101:1992 Harmonized system of quality assessment for electronic components. Semiconductor devices. Integrated circuits. Sectional specification for semiconductor integrated circuits excluding hybrid circuits. Internal visual examination for semiconductor integrated circuits excluding hybrid circuits
IEEE C57.91-2011 REDLINE IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators
IEC 60214-2:2004 Tap-changers - Part 2: Application guide
IEC 60076-8:1997 Power transformers - Part 8: Application guide
IEC 61330:1995 High-voltage/low voltage prefabricated substations
UNE-EN 50329:2004 Railway applications - Fixed installations - Traction transformers
BS EN 61378-2:2001 Convertor transformers Transformers for HVDC applications
IEEE C57.119-2001 IEEE Recommended Practice for Performing Temperature Rise Tests on Oil-Immersed Power Transformers at Loads Beyond Nameplate Ratings
04/30117440 DC : DRAFT JUL 2004 IEC 60076-13. ED.1 - POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID FILLED TRANSFORMERS
02/714212 DC : DRAFT DEC 2002 IEC 62271-202 ED.1 - HIGH VOLTAGE/LOW VOLTAGE PREFABRICATED SUBSTATIONS
HD 428.1 S1:1992/AC:2011 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 61378-2:2001 Convertor transformers - Part 2: Transformers for HVDC applications
EN 61330:1996 High-voltage/low-voltage prefabricated substations

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Hardcopy - English - French
PDF - English - French
PDF 3 Users - English - French
PDF 5 Users - English - French
PDF 9 Users - English - French
Hardcopy - English
PDF - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
Hardcopy - French
PDF - French
PDF 3 Users - French
PDF 5 Users - French
PDF 9 Users - French
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