ANSI C57.12.25 : 1990

Withdrawn

TRANSFORMERS - PAD-MOUNTED, COMPARTMENTAL-TYPE, SELF-COOLED, SINGLE-PHASE DISTRIBUTION TRANSFORMERS WITH SEPARABLE INSULATED HIGH-VOLTAGE CONNECTORS; HIGH VOLTAGE, 34 500 GRDY/19 920 VOLTS AND BELOW; LOW VOLTAGE, 240/120 VOLTS; 167 KVA AND SMALLER - REQUIREMENTS

Withdrawn date

18-10-2023

Published date

01-01-1990

Publisher

Institute of Electrical & Electronics Engineers

1 Scope
2 Normative references
  2.1 General
3 Ratings
  3.1 Kilovolt-ampere ratings
  3.2 Voltage ratings and tap ratings
4 Basic lightning Impulse insulation levels and dielectric
  test levels
5 Tests
  5.1 General
  5.2 Dielectric tests
6 Construction
  6.1 General
  6.2 Connectors and terminals
  6.3 High-voltage and low-voltage compartment
  6.4 Instruction nameplate
  6.5 Oil preservation
  6.6 Tanks
  6.7 Components for looped primary cable systems
7 Storage and Installation
  7.1 Storage
  7.2 Installation
8 Other requirements that may be specified for some applications

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

DevelopmentNote	Supersedes IEEE DRAFT C57.12.25. (08/2004)
DocumentType	Standard
PublisherName	Institute of Electrical & Electronics Engineers
Status	Withdrawn

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