Name: IEEE C62.21 : 2003
Brand: IEEE

IEEE C62.21 : 2003

Withdrawn

GUIDE FOR THE APPLICATION OF SURGE VOLTAGE PROTECTIVE EQUIPMENT ON AC ROTATING MACHINERY 1000 V AND GREATER

Withdrawn date

11-09-2023

Published date

01-01-2003

Publisher

Institute of Electrical & Electronics Engineers

1. Overview
   1.1 Scope
   1.2 Purpose
2. References
3. Definitions
4. The basic means of machine surge protection
   4.1 The fundamental protective system
   4.2 Risk analysis
   4.3 Multi-turn machine impulse voltage withstand strength
5. Sources of surges
   5.1 General
   5.2 Remote and local origin surges
   5.3 Remote origin surges
   5.4 Surges from faults, local origin
   5.5 Switching surges, local origin
   5.6 Historical background, motor starting surges
   5.7 Surges during de-energizing motors
   5.8 Full-voltage motor starting, prestrike voltage
   5.9 Limitations of surge capacitor protection
6. Motor surge protection
   6.1 Reasons for surge protection of motors started
       across-the-line (full-voltage start)
   6.2 Strategies for motor surge protection
   6.3 Practical calculation of full-voltage starting surges
       at motor terminals
Annex A (normative) Formulas for calculators or personal computers
   A.1 Surge Level, cables with no phase-to-phase coupling
   A.2 Surge time constants
Annex B (informative) Bibliography

Covers the application of surge voltage protective equipment to ac rotating machines rated 1000 V and greater.

DocumentType	Standard
PublisherName	Institute of Electrical & Electronics Engineers
Status	Withdrawn

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