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IEEE 1189 2008

$60.13

IEEE Guide for Selection of Valve-Regulated Lead-Acid (VRLA) Batteries for Stationary Applications

Published By Publication Date Number of Pages
IEEE 2008 27
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Revision Standard – Active. Revision of IEEE Std 1187-1996. This guide describes methods for selecting the appropriate type of valve-regulated, immobilized-electrolyte, recombinant lead-acid battery for any of a variety of stationary float applications. The purpose of this document is to ensure that the reader is aware of all significant issues that should be considered when selecting VRLA batteries, so that the user might make an informed decision.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std 1189-2007
3 IEEE Guide for Selection of Valve-Regulated Lead-Acid (VRLA) Batteries for Stationary Applications
6 Introduction
Notice to users
Errata
Interpretations
Patents
Participants
8 CONTENTS
11 1. Overview
1.1 Scope
1.2 Purpose
2. Normative references
12 3. Definitions
4. Technology overview
4.1 Water loss
4.2 Oxygen recombination
4.3 Oxygen transport between positive and negative plates
13 4.4 Immobilized electrolyte technology
4.4.1 Gelled electrolyte cells
4.4.2 Absorbed electrolyte cells
4.5 Hydrogen evolution
4.6 Pressure-regulation valve
4.7 Catalysts
5. Comparisons of vented (flooded) and valve-regulated technologies
5.1 Reactions
14 5.2 Construction materials
5.3 Aging and failure mechanisms
5.3.1 Dryout
5.3.2 Thermal runaway
15 5.3.3 Negative plate self-discharge
5.3.4 Seal or valve failures
5.3.5 Temperature effects
5.3.6 Loss of absorbed glass mat compression
16 5.3.7 Ripple current
5.4 Electrolyte specific gravity
5.5 Charging voltage
5.5.1 Float voltage
5.5.2 Temperature compensation of charging voltage
17 5.6 Absence of free electrolyte
5.7 Maintenance and testing
5.8 Orientation in use
5.9 Vented gas
5.10 Historical service life
18 5.11 VRLA advantages and disadvantages
19 6. Selecting VRLA batteries
6.1 Temperature
6.2 Charging considerations
20 6.3 Space limitations
6.4 Environment
6.5 Life considerations
6.6 Safety
6.7 Thermal management considerations
21 6.8 Maintenance considerations
6.9 AGM and gel technologies compared
6.10 Choosing the proper plate design and specific gravity for an application
22 7. Applying VRLA batteries
7.1 Sizing
7.2 Parallel strings
23 7.3 Mixing VRLA with other types of batteries
24 Annex A (informative) Recombination and grid corrosion reactions
A.1 Oxygen recombination reaction
A.2 Grid corrosion reaction
25 Annex B (informative) Glossary
26 Annex C (informative) Bibliography
IEEE 1189 2008
$60.13