Working Group Details
HV3.4.9 - 3.4.9 Application Guide for Surge Voltage Protective Equipment on AC Rotating Machinery WG
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PC62.21 - Guide for the Application of Surge Voltage Protective Equipment on AC Rotating Machinery 1000 Volts and Greater
This guide covers the application of surge voltage protective equipment to AC rotating machines rated 1000 volts and greater. The guide does not cover motors applied in solid-state switched adjustable speed drives. Part 1 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. Part 2 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.
IEEE C62.21-2003/Cor 1-2008 - IEEE 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
Errors identified in IEEE Std C62.21-2003 are addressed in this corrigendum.