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IEEE 620

Guide for the Presentation of Thermal Limit Curves for Squirrel Cage Induction Machines

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Organization: IEEE
Publication Date: 20 June 1996
Status: active
Page Count: 12
scope:

This guide applies to three-phase squirrel cage induction machines, 250 hp (200 kW) and above. It is intended to be used for machines designed for specified load and application conditions. However, it may also be used for smaller, general purpose machines if application and load conditions are specified.

Document History

IEEE P620 DRAFT
April 1, 2020
Draft Guide for the Presentation of Thermal Limit Curves for Squirrel Cage Induction Machines
This guide applies to three-phase squirrel cage induction machines, 250 hp (200 kW) and above. It is intended to be used for machines designed for specified load and application conditions. However,...
IEEE 620
June 20, 1996
Guide for the Presentation of Thermal Limit Curves for Squirrel Cage Induction Machines
This guide applies to three-phase squirrel cage induction machines, 250 hp (200 kW) and above. It is intended to be used for machines designed for specified load and application conditions. However,...
IEEE 620
June 20, 1996
Guide for the Presentation of Thermal Limit Curves for Squirrel Cage Induction Machines
A description is not available for this item.
IEEE 620
June 20, 1996
Guide for the Presentation of Thermal Limit Curves for Squirrel Cage Induction Machines
This guide applies to three-phase squirrel cage induction machines, 250 hp (200 kW) and above. It is intended to be used for machines designed for specified load and application conditions. However,...
IEEE 620
March 9, 1987
GUIDE FOR CONSTRUCTION AND INTERPRETATION OF THERMAL LIMIT CURVES FOR SQUIRREL-CAGE MOTORS OVER 500 HP (WITHDRAWN)
A description is not available for this item.
IEEE 620
April 1, 1981
Trial-Use Guide for Construction and Interpretation of Thermal Limit Curves for Squirrel-Cage Motors Over 500 HP
This guide defines thermal limit curves, recommends a standard procedure for construction of the curves, and provides the definitions and information necessary to properly use these curves. The...
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References

This document is referenced by:
IEEE C37.96 - IEEE Guide for AC Motor Protection
Published by IEEE on December 5, 2012
This application guide presents generally accepted methods of protection for ac motors. It identifies and summarizes the functions necessary for adequate protection of motors based on type, size, and...
This document is referenced by:
ANSI/NEMA C50.41 - Polyphase Induction Motors for Power Generating Stations
Published by NEMA on January 1, 2012
Inclusions The requirements in this standard apply to polyphase induction motors intended for use in power generating stations, including the following: a) Frame size larger than NEMA 440 series b)...
This document is referenced by:
IEC 60255-149 - Measuring relays and protection equipment – Part 149: Functional requirements for thermal electrical relays
Published by IEC on July 1, 2013
This part of the IEC 60255 series specifies minimum requirements for thermal protection relays. This standard includes specification of the protection function, measurement characteristics and test...
This document is referenced by:
EN 60255-149 - Measuring relays and protection equipment - Part 149: Functional requirements for thermal electrical relays
Published by CENELEC on October 1, 2013
This part of the IEC 60255 series specifies minimum requirements for thermal protection relays. This standard includes specification of the protection function, measurement characteristics and test...
This document is referenced by:
IEEE 1205 - Guide for Assessing, Monitoring, and Mitigating Aging Effects on Electrical Equipment Used in Nuclear Power Generating Stations and Other Nuclear Facilities
Published by IEEE on March 27, 2014
This document provides guidelines for assessing, monitoring, and mitigating aging effects on electrical equipment used in nuclear power generating stations and other nuclear facilities. Purpose The...
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