En-Opzv-Pg-002 - Enersys - EMEA

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VII/ Commissioning charge When commissioning a new battery (first charge), follow procedure a) or b). Procedure a) is recommended. a) IU method (boost charge) At a raised voltage of 2.33 - 2.40 Vpc. The charging time will be 12 to 24 hours depending on the initial charge condition. The current must be limited to 0.4C10. Boost charging must be switched off or switched over to float charging as soon as the fully charged state is reached. - Every month, check the total floating voltage at the battery terminals. It should be N x 2.25 volts at a temperature of 20°C (tolerance 2.23 - 2.25 Vpc), where N is the number of cells in the battery. - Once each year, effect a reading of the voltage of cells constituting the battery. - A difference of plus or minus 4.5% between these individual floating voltages and the average voltage may be observed. This is due to the gas recombination process. - A check on capacity (independent operation on load) can be performed once a year. Testing Capacity tests are to be carried out in accordance with IEC 60896-21&22. Check that the battery is fully charged. Before testing new batteries it must be ensured that a sufficient commissioning charge has been applied. b) Float charge: With a voltage of 2.25 Vpc. Full capacity will be obtained after a longer period of 4 to 6 weeks depending on state of charge. VIII/ Maintenance/checks www.enersys-emea.com Safety When carrying out any work on the battery, the applicable safety standards should be followed. Note : Keep a logbook battery in which the measured values can be noted as well as power cuts, discharge tests( current, time, T°…) etc. The main factors causing reduction in the life expectancy of PowerSafe ® OPzV battery cells - Deep discharges - Poor regulation of the float voltage - Poor quality (smoothing) of the charging current - High ambient temperatures Publication No: EN-OPzV-PG-002 - January 2011 25
EnerSys P.O. Box 14145 Reading, PA 19612-4145 USA Tel: +1-610-208-1991 +1-800-538-3627 Fax: +1-610-372-8613 EnerSys Europe Löwenstrasse 32 8001 Zurich Switzerland EnerSys Asia 152 Beach Road Gateway East Building Level 11 189721 Singapore Tel: +65 6508 1780 Hawker S.A.. Rue Alexander Fleming ZI EST BP 962 62033 Arras, Cedex France Tel: +33 3 21 60 25 25 Fax: +33 3 21 73 16 51 e-mail : hawker.france@fr.enersysinc.com www.enersys-emea.com Contact: © 2011 EnerSys. All rights reserved. Trademarks and logos are the property of EnerSys and its affiliates unless otherwise noted. Publication No: EN-OPzV-PG-002 - January 2011 - Subject to revisions without prior notice. E.&O.E.
Page 1 and 2: PRODUCT GUIDE Publication No: EN-OP
Page 3 and 4: Introduction The principle of gas r
Page 5 and 6: 3 - Construction These reactions ca
Page 7 and 8: II/ Application and use of the Powe
Page 9 and 10: 2 - Battery cycling Definition Batt
Page 11 and 12: Constant current discharge in amper
Page 19 and 20: IV/ Battery calculations The follow
Page 21 and 22: Stand models : There are two ranges
Page 23 and 24: Standard stands for vertical cells
Page 25: VI/ Battery storage 1 - Calculating

En-Opzv-Pg-002 - Enersys - EMEA

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