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Full Description

Scope

This recommended practice provides guidance for the design of the dc auxiliary power systems for nuclear and non-nuclear power generating stations. The components of the dc auxiliary power system addressed by this recommended practice include lead-acid storage batteries, static battery chargers, and distribution equipment. Guidance for selecting the quantity and types of equipment, the equipment ratings, interconnections, instrumentation, control, and protection is also provided. The ac power supply to the battery chargers; the loads served by the dc systems, except as they influence the dc system design; and dedicated engine starting (cranking) battery systems are beyond the scope of this recommended practice.

Purpose

This standard is widely recognized as being a very useful standard and it needst o be revised in order to continue its functional life as an active standard. State-of-the-art information will be incorporated.

Abstract

Revision Standard - Superseded. Revision of IEEE Std 946-1992. Guidance for the design of the DC auxiliary power systems for nuclear and non-nuclear power generating stations is provided by this recommended practice. The components of the DC auxiliary power system addressed by this recommended practice include lead-acid storage batteries, static battery chargers, and distribution equipment. Guidance for selecting the quantity and types of equipment, the equipment ratings, interconnections, instrumentation, control and protection is also provided.
 

Document History

  1. IEEE 946-2004

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    IEEE Recommended Practice for the Design of DC Auxiliary Power Systems for Generating Systems

    • Most Recent
  2. IEEE 946-1992


    IEEE Recommended Practice for the Design of DC Auxiliary Power Systems for Generating Stations

    • Historical Version
  3. IEEE 946-1985


    IEEE Recommended Practice for the Design of Safety-Related DC Auxiliary Power Systems for Nuclear Power Generating Stations

    • Historical Version