IEEE DRAFT C57.12.26 : 1992

Name: IEEE DRAFT C57.12.26 : 1992
Brand: IEEE

Withdrawn

PAD-MOUNTED, COMPARTMENTAL-TYPE, SELF-COOLED, THREE-PHASE DISTRIBUTION TRANSFORMERS FOR USE WITH SEPARABLE INSULATED HIGH-VOLTAGE CONNECTORS, 34 500 GRDY/19 920 V AND BELOW; 2500 KVA AND SMALLER

Withdrawn date

19-10-2023

Published date

12-01-2013

Publisher

Institute of Electrical & Electronics Engineers

1. Purpose and Scope
1.1 Purpose
1.2 Scope
2. References
3. Ratings
3.1 Kilovolt-Ampere Ratings
3.2 Voltage Ratings
3.3 Tap Ratings
4. Basic Lightning Impulse Insulation Levels and
      Dielectric Test Levels
4.1 Basic Lighting Impulse Insulation Levels
4.2 Dielectric Test Levels
5. Impedance Voltage
5.1 Percent Impedance Voltage
5.2 Tolerance
5.3 Tolerance on a Tap
6. Tests
6.1 General
6.2 Dielectric Test
7. Construction
7.1 General
7.2 Connectors and Terminals
7.3 High-Voltage and Low-Voltage Compartments
7.4 Instruction Nameplate
7.5 Oil Preservation
7.6 Tanks
7.7 Components for Loop Primary Cable Systems
8. Installation
9. Storage
Figures
1. Minimum Dimensions for Radial-Feed Transformers
2. Minimum Dimensions for Loop-Feed Transformers
3. Compartment Designations and Minimum Dimensions for
      Loop-Feed or Radial-Feed Transformers
4. Low-Voltage Terminal Arrangements and Minimum
      Dimensions
5. Specific Dimensions for Radial-Feed Transformers
6. Specific Dimensions for Loop-Feed Transformers
7. Compartment Designations and Specific Dimensions
      for Loop-Feed and Radial-Feed Transformers
8. Low-Voltage Terminal Arrangements and Specific
      Dimensions
9. Low-Voltage Terminals
10. Angular Displacement
Tables
1. Range of kVA and Voltage Ratings
2. High-Voltage Taps
3. Electrical Characteristics of Low-Voltage Terminals
      and Minimum Electrical Clearances
4. Transformers and Connectors
      High-Voltage Ratings and Electrical Characteristics

Covers certain electrical, dimensional and mechanical characteristics and takes into consideration certain safety features of three-phase, 60 Hz, mineral-oil-immersed, self-cooled, pad-mounted, compartmental-type distribution transformers with separable insulated high voltage connectors.

DocumentType	Draft
PublisherName	Institute of Electrical & Electronics Engineers
Status	Withdrawn

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IEEE DRAFT C57.12.26 : 1992

PAD-MOUNTED, COMPARTMENTAL-TYPE, SELF-COOLED, THREE-PHASE DISTRIBUTION TRANSFORMERS FOR USE WITH SEPARABLE INSULATED HIGH-VOLTAGE CONNECTORS, 34 500 GRDY/19 920 V AND BELOW; 2500 KVA AND SMALLER

Table of Contents

Abstract

General Product Information

Standards Referencing This Book

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