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IEEE C62.21

Guide for the Application of Surge Voltage Protective Equipment on AC Rotating Machinery 1000 V and Greater Corrigendum 1: Correct Table 2, A.1, and A.2

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Organization: IEEE
Publication Date: 26 September 2008
Status: active
Page Count: 18
scope:

This guide covers the application of surge voltage protective equipment to ac rotating machines rated 1000 V and greater. The guide does not cover motors applied in solid-state switched adjustable speed drives. This standard, the first part of two parts, covers the insulation surge withstand strength of motors and generators with windings having form-wound multi-turn coils and the application of surge protection to form-wound multi-turn coil motors. The second part will cover application of surge protection to generators with form-wound multi-turn coils, plus insulation surge withstand strength and surge protection of single-turn coil generators and motors.

Document History

IEEE C62.21
September 26, 2008
Guide for the Application of Surge Voltage Protective Equipment on AC Rotating Machinery 1000 V and Greater Corrigendum 1: Correct Table 2, A.1, and A.2
This guide covers the application of surge voltage protective equipment to ac rotating machines rated 1000 V and greater. The guide does not cover motors applied in solid-state switched adjustable...
IEEE C62.21
March 22, 2006
Errata to IEEE Guide for the Application of Surge Voltage Protective Equipment on AC Rotating Machinery 1000 V and Greater
This guide covers the application of surge voltage protective equipment to ac rotating machines rated 1000 V and greater. The guide does not cover motors applied in solid-state switched adjustable...
IEEE C62.21
December 10, 2003
Guide for the Application of Surge Voltage Protective Equipment on AC Rotating Machinery 1000 V and Greater
This guide covers the application of surge voltage protective equipment to ac rotating machines rated 1000 V and greater. The guide does not cover motors applied in solid-state switched adjustable...
IEEE C62.21
December 10, 2003
Guide for the Application of Surge Voltage Protective Equipment on AC Rotating Machinery 1000 V and Greater
This guide covers the application of surge voltage protective equipment to ac rotating machines rated 1000 V and greater. The guide does not cover motors applied in solid-state switched adjustable...

References

This document references:
IEC 60034-15 - Rotating electrical machines – Part 15: Impulse voltage withstand levels of form-wound stator coils for rotating a.c. machines
Published by IEC on March 1, 2009
This part of IEC 34 specifies the rated phase-to-earth impulse voltage withstand levels of rotating a.c. machines having rated voltages from 3 kV to 15 kV inclusive and incorporating form-wound...
This document references:
IEEE 1 - Recommended Practice - General Principles for Temperature Limits in the Rating of Electrical Equipment and for the Evaluation of Electrical Insulation
Published by IEEE on December 7, 2000
Guiding principles are included for the development of test procedures for - Thermal evaluation of electrical insulating materials (EIM) - Thermal evaluation of electrical insulation systems (EIS) -...
This document references:
IEEE 1043 - Recommended Practice for Voltage-Endurance Testing of Form-Wound Bars and Coils
Published by IEEE on September 19, 1996
This recommended practice covers the voltage endurance testing of form-wound bars and coils for use in large rotating machine stator windings. Such testing is defined for machines with a nominal...
This document references:
IEEE 117 - Standard Test Procedure for Thermal Evaluation of Systems of Insulating Materials for Random- Wound AC Electric Machinery
Published by IEEE on December 5, 2015
This is a standard test procedure for the thermal evaluation and qualification of electrical insulation systems (EISs) for random-wound ac electric machinery, where thermal degradation is the...
This document references:
IEEE 367 - Recommended Practice for Determining the Electric Power Station Ground Potential Rise and Induced Voltage from a Power Fault
Published by IEEE on March 29, 2012
This recommended practice provides guidance for the calculation of power station GPR and LI voltages, as well as guidance for their appropriate reduction from worst-case values for use in metallic...
This document is referenced by:
STD 541 - Form-wound Squirrel Cage Induction Motors—375 kW (500 Horsepower) and Larger
Published by API on December 1, 2014
This standard covers the minimum requirements for special purpose form-wound squirrel cage induction motors 375 kW (500 hp) and larger for use in petroleum, chemical, and other industry applications....
This document is referenced by:
IEEE 3004.8 - Recommended Practice for Motor Protection in Industrial and Commercial Power Systems
Published by IEEE on December 7, 2016
This recommended practice covers the protection of motors used in industrial and commercial power systems. It is likely to be of greatest value to the power-oriented engineer with limited experience...
This document is referenced by:
ANSI C84.1 - Electric Power Systems and Equipment — Voltage Ratings (60 Hertz)
Published by NEMA on January 1, 2020
This Standard establishes nominal voltage ratings and operating tolerances for 60 Hz electric power systems above 100 volts. It also makes recommendations to other standardizing groups with respect...
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