IEEE C57.12.10-2010
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
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
Hardcopy , PDF
06-01-2011
01-01-2010
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
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.