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IEEE 56-1977

Historical Revision

IEEE Guide for Insulation Maintenance of Electric Machines

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Revision Standard - Inactive-Withdrawn. The purpose of this IEEE guide is to present information necessary to permit an effective evaluation of the insulation systems of large alternating-current rotating electrical machines. Such an evaluation can serve as a guide to the degree of maintenance or replacement which might be deemed necessary, and also offer some indication of the future service reliability of the equipment under consideration. The guide is intended to apply in general to large alternating-current rotating electrical machines rated at 10000 kVA or more, and operating at voltages of 6000 V and above.
This guide is intended to apply in general to large alternating-current rotating electrical machines rated at 10 000 kVA or more, and operating at voltages of 6000 V and above
The purpose of this IEEE guide is to present information necessary to permit an effective evaluation of the insulation systems of large alternating-current rotating electrical machines. Such an evaluation can serve as a guide to the degree of maintenance or replacement which might be deemed necessary, and also offer some indication of the future service reliability of the equipment under consideration. The guide is intended to apply in general to large alternating-current rotating electrical machines rated at 10000 kVA or more, and operating at voltages of 6000 V and above.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 56
Publication Date March 15, 1977
Language en - English
Page Count 24
Revision Level
Supercedes
Committee Electric Machinery
Publish Date Document Id Type View
Nov. 11, 2016 56-2016 Revision
March 15, 1977 56-1977 Revision