IEEE 421.6

Description / Abstract: This recommended practice serves as basic reference for the specification and design of field discharge circuits for synchronous machines. It also provides detailed information about field discharge equipment complementing the IEEE 421.4™-2004 Guide for Preparation of Excitation System Specification. This document includes many aspects of the withdrawn standard ANSI/IEEE C37.18-1979 IEEE Standard Enclosed Field Discharge Circuit Breakers [B1].<sup>1

1</sup>The numbers in brackets correspond to those of the bibliography in Annex B.