IEEE PC57.169

IEEE PC57.169 IEEE Approved Draft Guide for Determination of Maximum Winding Temperature Rise in Liquid-Immersed Transformers

standard by IEEE, 05/16/2023

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Full Description

Scope

This document provides a guide for developing mathematical models and test procedures to determine the steady state maximum (hottest spot) and average winding temperature rise over ambient for liquid immersed distribution, power, network, and regulating transformers manufactured in accordance with IEEE C57.12.00.

Purpose

This guide provides a basis for the transformer manufacturer and user to concur that a transformer meets the temperature requirements in C57.12.00. Those requirements state that the maximum winding temperature rise shall be determined by either direct measurement or calculations. This guide will describe the requirements for a manufacturer's test program or mathematical model to demonstrate compliance with those requirements.

Abstract

Revision Standard - Active - Draft.Provides guidance for determining the hottest-spot temperature in distribution and power transformers built in accordance with IEEE Std C57.12.00-2000. Describes the important criteria to be evaluated by a thermal model that can accurately predict the hottest-spot temperatures in a transformer. Provides guidance for performing temperature-rise tests with direct measurement of the hottest-spot temperatures and explains the importance of developing an accurate thermal model to properly locate the temperature sensors.

Product Details

Published: 05/16/2023 ISBN(s): 9781504490733 Number of Pages: 50 File Size: 1 file , 7.2 MB Product Code(s): STDAPE25711 Note: This product is unavailable in Russia, Belarus

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