IEEE C57.12.80 1978

$46.04

Standard Terminology for Power and Distribution Transformers

Published By	Publication Date	Number of Pages
IEEE	1978	57

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Description

New IEEE Standard – Inactive – Superseded. Superseded This standard is a compilation of terminology and definitions primarily related to electrical transformers and associated apparatus included within the scope of ANSI Committee C57, Transformers, Regulators, and Reactors. It also includes similar data relating to power systems and insulation that is commonly involved in transformer technology.

PDF Catalog

PDF Pages	PDF Title
1	Title Page
3	Introduction
5	Participants
6	CONTENTS
9	1. Scope and Reference Standards 1.1 Scope 1.2 Reference Standards 2. Transformer Definitions 2.1 General
10	2.2 Transformers — Specialized Types
12	2.3 Transformers — Classified by Size, Insulation, and Location
13	3. Rating Data 3.1 Performance Characteristics
14	3.2 Duty 3.3 Rating 3.4 kVA Rating
15	3.5 Voltage and Current Rating
16	3.6 Polarity, Angular Displacement, and Phase Sequence 3.7 Losses, Excitation Current, and Impedance Voltage
18	3.8 Ratio and Regulation 4. Insulation 4.1 Major Insulation
19	4.2 Liquid Insulation 4.3 Insulation Coordination Terms
21	4.4 Insulation — Temperature Classes and Related Terms
24	4.5 Miscellaneous Insulation Terms
26	5. Testing 5.1 Test Classifications 5.2 Temperature Rise Tests
27	5.3 Dielectric Tests
28	6. Construction 6.1 Methods of Cooling
30	6.2 Form (or Type) 6.3 Windings
31	6.4 Taps 6.5 Methods of Oil Preservation
32	6.6 Enclosures
34	6.7 Miscellaneous
37	7. Terminology for Specialized Types of Transformers 7.1 Unit Substation Transformers
38	7.2 Regulating and Load-Tap-Changing Transformers
40	7.3 Scott-Connected Transformers 7.4 Grounding Transformers
41	7.5 Constant-Current Transformers 7.6 Rectifier Transformers
43	7.7 Reactors
44	7.8 Instrument Transformers
48	7.9 Specialty Transformers
50	7.10 Dry-Type Transformers
51	8. System Terminology 8.1 System Voltage Terms
52	8.2 Grounding
54	8.3 Connections
55	8.4 Miscellaneous