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IEEE C57.12.40 : 2011

IEEE C57.12.40 : 2011

NETWORK, THREE-PHASE TRANSFORMERS, 2500 KVA AND SMALLER; HIGH VOLTAGE, 34500 V AND BELOW; LOW VOLTAGE, 600 V AND BELOW; SUBWAY AND VAULT TYPES (LIQUID IMMERSED)

Institute of Electrical & Electronics Engineers

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Table of Contents

1. Overview
2. Normative references
3. Transformer performance requirements
4. Tests
5. Construction
6. Primary disconnect and grounding switch
7. Bushings
8. Neutral termination
9. Nameplate
10. Connections of transformer for shipment
    by manufacturer
Annex A (informative) - Bibliography
Annex B (informative) - Coordination of bushing selection
        and application

Abstract

Defines certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of three-phase, 60-Hz, liquid-immersed, self-cooled, network transformers with a primary grounding switch.

General Product Information

Document Type Standard
Status Current
Publisher Institute of Electrical & Electronics Engineers
Supersedes
  • ANSI C57.12.40 : 2011
  • IEEE DRAFT C57.12.40 : D4 2006

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