IEEE 946-2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
19-04-2021
English
08-06-2005
1 Overview
1.1 Scope
2 Normative references
3 Definitions
4 General
4.1 Description and operation
4.2 Number of batteries
4.3 Number of chargers and distribution panels
4.4 System voltage and battery size considerations
4.5 Physical layout
5 Batteries
5.1 General description
5.2 Determination of battery duty cycles and battery size
(capacity)
5.3 Installation design
5.4 Maintenance, testing, and replacement
5.5 Qualification
6 Battery chargers
6.1 General description
6.2 Determination of rated output
6.3 Sample calculations
6.4 Installation Design
6.5 Output characteristics
7 Distribution system and equipment
7.1 Protective device description and rating
7.2 Typical diagram
7.3 Voltage ratings for dc powered components
7.4 Instrumentation, controls, and alarms
7.5 Special dc loads
7.6 Design features to assist in battery testing
7.7 Cross-tie between buses
7.8 Qualification
7.9 Available short-circuit current
8 Spare equipment
Annex A (informative) Bibliography
Annex B (informative) Battery charger rating-sample calculations
B.1 Introduction
B.2 Formulas
B.3 Sample calculations
Annex C (informative) Batteries, available short-circuit
current-sample calculations
C.1 Introduction
C.2 Discussion
C.3 Sample calculations
Annex D (informative) Effect of grounds on the operation of dc
auxiliary power systems
D.1 Introduction
D.2 Discussion
D.3 Sample evaluations
Annex E (informative) Battery charger, short-circuit current
contribution
E.1 Abstract
E.2 Discussion
E.3 Sample evaluation
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