IEEE C57.12.10-2010

Name: IEEE C57.12.10-2010
Brand: IEEE

Superseded

View Superseded by

TRANSFORMERS - 230 KV AND BELOW 833/958 THROUGH 8333/10 417 KVA, SINGLE-PHASE, AND 750/862 THROUGH 60 000/80 000/100 000 KVA, THREE-PHASE WITHOUT LOAD TAP CHANGING; AND 3750/4687 THROUGH 60 000/80 000/100 000 KVA WITH LOAD TAP CHANGING - SAFETY REQUIREMENT

Amended by

ANSI C57.12.10 : 2010 : COR 2

Available format(s)

Hardcopy , PDF

Superseded date

01-06-2011

Published date

01-01-2010

Publisher

Institute of Electrical & Electronics Engineers

1 Introduction and scope
   1.1 Introduction
   1.2 Scope
   1.3 Mandatory requirements
2 Referenced and related standards
   2.1 Referenced American National Standards
   2.2 Related standard
3 Terminology
4 Rating data
   4.1 Usual service conditions
   4.2 Kilovolt-ampere ratings
   4.3 Kilovolt-ampere and voltage ratings
   4.4 Insulation levels
   4.5 Taps
   4.6 Impedance voltage
   4.7 Top-liquid temperature-range limits
   4.8 Routine tests
5 Construction
   5.1 Accessories
   5.2 Bushings
   5.3 Lifting, moving, and jacking facilities
   5.4 Nameplate
   5.5 Ground pads
   5.6 Polarity, angular displacement, and terminal markings
   5.7 Liquid preservation
   5.8 Tanks
   5.9 Auxiliary cooling equipment
   5.10 Power supply for transformer auxiliary equipment and
        controls
6 Basic construction features - load-tap-changing equipment
   6.1 Load-tap-changing equipment
   6.2 Arcing tap switch
   6.3 Motor-drive mechanism
   6.4 Position indicator
   6.5 Control equipment and accessories
7 Alarm contacts
8 Other ratings
   8.1 Other kilovolt-ampere ratings
   8.2 Other high-voltage ratings
   8.3 Other winding ratings and connections
   8.4 Other basic impulse insulation levels (BILs) and
        impedance voltages
9 Other construction features - general
   9.1 Other bushings
   9.2 Other neutral terminations
   9.3 Terminal board
   9.4 Junction boxes
   9.5 Disconnecting switches with interlocks and terminal
        chambers
   9.6 Throat connections
   9.7 Temperature and liquid-level indicator contacts and wiring
   9.8 Current transformers
   9.9 Provision for future forced-air cooling
   9.10 Pressure-type relay
   9.11 Moving facilities
   9.12 Surge arresters
   9.13 Other oil preservation systems
   9.14 Other insulating liquid
   9.15 Other tanks
   9.16 Other loading
   9.17 "Other" tests
10 Other construction features - load-tap-changing equipment
   10.1 Terminal blocks
   10.2 Paralleling circuit and operation
   10.3 Omission of automatic load-tap-changing control
   10.4 Lightning surge voltage protector for motor power supply

Describes certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of 60-Hz, two-winding, liquid-immersed transformers, and used for step-down or step-up purposes.

DocumentType	Standard
Pages	86
ProductNote	New child is COR 1 is now added New child COR 2 is now added
PublisherName	Institute of Electrical & Electronics Engineers
Status	Superseded
SupersededBy	IEEE C57.12.10-2010 REDLINE
Supersedes	IEEE/ANSI C57.12.10-1997 ANSI C57.12.30 : 2010

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