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IEEE C57.12.36-2007

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IEEE C57.12.36-2007 IEEE Standard Requirements for Liquid-Immersed Distribution Substation Transformers

standard by IEEE, 03/07/2008

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Full Description

Scope

This standard covers certain electrical, dimensional, and mechanical characteristics of 50 Hz and 60 Hz,two winding, liquid-immersed distribution substation transformers. Such transformers may be remotely or integrally associated with either primary and secondary switchgear or substations, or both, for step-down or step-up purposes rated as follows:a) 112.5 kVA through 10 000 kVA three-phaseb) 250 kVA through 6667 kVA single-phasec) High voltage 69 000 V and below and low voltage 34 500 V and belowIt is not intended that this standard shall apply to dry-type, regulating, pad-mounted, secondary-network,furnace, rectifier, mobile, railway, or mine transformers.

Abstract

New IEEE Standard - Active.Small power transformers have become a significant element in distribution systems supplying large commercial customers like major resort hotels and site-specific industrial customers that desire the local utility to own, operate, and maintain the serving transformer. These transformers can range in sizes from 112.5 kVA to 10 000 kVA with primary voltages at 69 000 V and below and secondary voltages from 34 500 V to 120 V. Transformers in this standard are generally for larger distribution customers often with special voltages or installation requirements like convention centers with large chiller plants and extensive exhibit space. There is often a desire to serve these transformers from underground systems using side-mounted bushings on the primary. This standard seeks to define the small power transformer that is applied as more than just a limited scope version of the power transformers covered by IEEE Std C57.12.10 and as more than a large distribution class transformer covered by IEEE Std C57.12.34.

Product Details

Published: 03/07/2008 ISBN(s): 9780738157184, 9781504410779, 9780738157177 Number of Pages: 39File Size: 1 file , 680 KB Product Code(s): STDSU95738, STDPL95738