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IEEE 421.3-1997

Historical Revision

IEEE Standard for High-Potential Test Requirements for Excitation Systems for Synchronous Machines

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Revision Standard - Superseded. High-potential test voltages for excitation systems used with synchronous machines are established. Test voltages are established based on whether equipment is connected to the exciter power circuit or is electrically isolated from the exciter power circuit.
This standard applies to high-potential testing of complete excitation systems and their components for synchronous machines. The components of the excitation system are described in IEEE Std 421-1972, Criteria and Definitions for Excitation Systems for Synchronous Machines. Also included are auxiliary devices that are exposed to excitation system stresses. Examples of such auxiliary devices are temperature indicators, transducers, meters, etc. This standard does not cover the synchronous-machine field winding or field circuit breaker and discharge resistor.
This effort is to review the existing standard (IEEE Std 421B-1979) which is one of 5 standards in the 421 series on Excitation Systems for Synchronous Machines.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 421.3
Publication Date Nov. 30, 1997
Language en - English
Page Count 12
Revision Level
Supercedes
Committee Energy Development & Power Generation
Publish Date Document Id Type View
March 30, 2016 421.3-2016 Revision
Nov. 30, 1997 421.3-1997 Revision