Full Description

Scope

This guide describes methodologies for determination of the steady-state winding hottest-spot temperature in dry-type distribution and power transformers with ventilated, sealed, solid cast, and encapsulated windings built in accordance with IEEE Std C57.12.01(TM) and IEC 60076-11. Converter transformers are not included in this guide.

Purpose

Assumptions regarding the relation of winding hottest-spot temperature rise to average windingtemperature rise are not representative of all dry-type transformer constructions and winding size. A uniform methodology for determination of winding hottest-spot temperature will provide consistency in testing and calculations for manufacturersa?? verification of the winding hottest-spot temperature to the user, and for validation and review of winding hottest-spot temperature limits.

Abstract

Revision Standard - Active.Methodologies for determination of the steady-state winding hottest-spot temperature in dry-type distribution and power transformers with ventilated, sealed, solid cast, and encapsulated windings built in accordance with IEEE Std C57.12.01(TM) and IEC 60726 are described in this guide. Converter transformers are not included in this guide.

Product Details

Published: 01/13/2014 ISBN(s): 9780738188683, 9780738188690, 9781504415965 Number of Pages: 25 File Size: 1 file , 690 KB Product Code(s): STD98506, STDPD98506, STDPL98506