BSI PD IEC TR 61431:2020

$102.76

Guidelines for the use of monitor systems for lead-acid traction batteries

Published By	Publication Date	Number of Pages
BSI	2020	22

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Categories: 29.220.20 - Acid secondary cells and batteries, BSI

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This document is an informative document relating to aspects of automatic monitor systems as utilized in lead-acid traction battery applications. It lists the characteristics and features that need to be monitored and evaluated to properly assess the operative status of a traction battery. Guidance concerning the accuracy and reliability of the generated information is also provided.

PDF Catalog

PDF Pages	PDF Title
2	undefined
4	CONTENTS
6	FOREWORD
8	1 Scope 2 Normative references 3 Terms and definitions 4 Desirable characteristics and features 4.1 General 4.2 Physical location of the monitoring device
9	4.3 State of charge indication or “fuel gauge” 4.4 Battery temperature information 4.5 High battery temperature warning 4.6 Low temperature warning 4.7 Electrolyte level indication 4.8 Electrolyte level maintenance log
10	4.9 Uniformity of cell properties in a battery 4.10 Battery commissioning date 4.11 Battery configuration 5 Evaluation and analysis 5.1 State of charge indication or “fuel gauge” 5.2 Battery temperature information
11	5.3 Water consumption Table 1 – Residence times and related temperature ranges Table 2 – Temperature warning levels
12	5.4 Uniformity of cell properties 5.5 Electrolyte density
13	5.6 Capacity throughput 5.7 Battery age 5.8 Battery data sheet
14	5.9 Communication interfaces 5.10 Ground faults 5.11 Human factors
15	6 Data monitoring – Recommended list of parameters to be monitored Table 3 – Units and value resolution of measured characteristics
16	7 Analysis and evaluation of gathered battery data 7.1 Data flow 7.2 Prediction of residual operational life Figure 1 – Potential data flow in a monitor system
17	Annex A (informative) Example determination of the residual service life of lead-acid traction batteries A.1 General A.2 Lost capacity due to stress factors A.2.1 Evaluation of the impact of a deep discharge
18	A.2.2 Evaluation of impact of the battery temperature Figure A.1 – Example of interrelation between discharge voltages and discharge currents indicating a deep discharge condition
19	A.2.3 Evaluation of the impact of very high discharge currents A.2.4 Evaluation of the impact of the battery being in idle state A.2.5 Calculation of the residual capacity Table A.1 – Derating factor due to ageing on standby and idling
20	A.2.6 Residual number of cycles