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IEC 60076-7

Power transformers Part 7: Loading guide for oil-immersed power transformers

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Organization: IEC
Publication Date: 1 December 2005
Status: inactive
Page Count: 122
ICS Code (Transformers. Reactors): 29.180
scope:

This part of IEC 60076 is applicable to oil-immersed transformers. It describes the effect of operation under various ambient temperatures and load conditions on transformer life.

NOTE For furnace transformers, the manufacturer should be consulted in view of the peculiar loading profile.

Document History

IEC 60076-7
January 1, 2018
Power transformers – Part 7: Loading guide for mineral-oil-immersed power transformers
This part of IEC 60076 is applicable to mineral-oil-immersed transformers. It describes the effect of operation under various ambient temperatures and load conditions on transformer life. NOTE For...
IEC 60076-7
December 1, 2005
Power transformers Part 7: Loading guide for oil-immersed power transformers
This part of IEC 60076 is applicable to oil-immersed transformers. It describes the effect of operation under various ambient temperatures and load conditions on transformer life. NOTE For furnace...

References

This document references:
IEC 60076-2 - Power transformers – Part 2: Temperature rise for liquid-immersed transformers
Published by IEC on February 1, 2011
This part of IEC 60076 applies to liquid-immersed transformers, identifies power transformers according to their cooling methods, defines temperature rise limits and gives the methods for temperature...
This document references:
IEEE 1538 - Guide for Determination of Maximum Winding-Temperature Rise in Liquid Immersed Transformers Amendment 1
Published by IEEE on September 3, 2015
The clause that addresses direct measurement with fiber-optic detectors is expanded and an annex detailing examples of installation techniques for fiber-optic probes is added in this amendment.
This document references:
IEC 60076-2 - Power transformers – Part 2: Temperature rise for liquid-immersed transformers
Published by IEC on February 1, 2011
This part of IEC 60076 applies to liquid-immersed transformers, identifies power transformers according to their cooling methods, defines temperature rise limits and gives the methods for temperature...
This document references:
IEC 60076-4 - Power Transformers-Part 4: Guide to the Lightning Impulse and Switching Impulse Testing - Power Transformers and Reactors
Published by IEC on June 1, 2002
This part of IEC 60076 gives guidance and explanatory comments on the existing procedures for lightning and switching impulse testing of power transformers to supplement the requirements of IEC...
This document references:
IEC 60076-5 - Power Transformers Part 5: Ability to Withstand Short Circuit
Published by IEC on February 1, 2006
This part of IEC 60076 identifies the requirements for power transformers to sustain without damage the effects of overcurrents originated by external short circuits. It describes the calculation...
This document references:
IEEE C57.91 - Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators
Published by IEEE on December 7, 2011
This guide provides recommendations for loading mineral-oil-immersed transformers and step-voltage regulators with insulation systems rated for a 65 °C average winding temperature rise at rated load....
This document is referenced by:
IEC 60633 - High-voltage direct current (HVDC) transmission – Vocabulary
Published by IEC on April 1, 2019
This document defines terms for high-voltage direct current (HVDC) power transmission systems and for HVDC substations using electronic power converters for the conversion from AC to DC or vice...
This document is referenced by:
IEC 61892-3 - Mobile and fixed offshore units – Electrical installations – Part 3: Equipment
Published by IEC on April 1, 2019
This part of IEC 61892 is applicable to electrical equipment in mobile and fixed offshore units including pipeline, pumping or "pigging" stations, compressor stations and single buoy moorings, used...
This document is referenced by:
IEC 62032 - Guide for the Application, Specification, and Testing of Phase-Shifting Transformers
Published by IEC on June 1, 2012
This guide covers the application, specification, theory of operation, and factory and field testing of singlephase and three-phase oil-immersed, phase-shifting transformers (PSTs). This guide is...
This document is referenced by:
IEC 60835-1-1 - Methods of measurement for equipment used in digital microwave radio transmission systems. Part 1: Measurements common to terrestrial radio-relay systems and satellite earth stations - Section One: General
Published by IEC on March 1, 1990
The conditions of measurement and the methods of measuring the characteristics given in this part of the standard are common to terrestrial radio-relay and satellite earth station systems using...
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