IEEE C37.20.1b-2006

IEEE C37.20.1b-2006 IEEE Standard for Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear - Amendment 2: Additional Requirements for Control and Auxiliary Power Wiring in DC Traction Power Switchgear
Amendment by IEEE, 04/20/2007

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Full Description

Scope

This amendment addresses additional requirements of auxiliary power wiring and control wiring within dc switchgear of traction power substations up to 3200 volts dc nominal output.

Purpose

This amendment provides control and power wiring methods for dc traction power switchgear intended to increase reliability of the operation of the equipment, improve protection, reduce maintenance cost and initial cost, and improve overall performance of the dc traction power switchgear.

Abstract

Amendment Standard - Superseded.This amendment addresses additional requirements of auxiliary power wiring and controlwiring within dc switchgear of traction power substations with rated maximum voltage up to 3200volts dc. This amendment provides control and power wiring methods for dc traction powerswitchgear intended to increase reliability of the operation of the equipment, improve protection,reduce maintenance cost and initial cost, and improve overall performance of the dc traction powerswitchgear.