EnerSys PowerSafe OPzV Operation Manual
Solar applications
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Also See for PowerSafe OPzV:
- Installation, operation & maintenance instructions manual (12 pages) ,
- Operation manual (4 pages)
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Summary of Contents for EnerSys PowerSafe OPzV
- Page 1 Sustainable solutions PowerSafe OPzV ® Operation Guide for Solar Applications...
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Page 2: Features And Benefits
Operation Guide > PowerSafe OPzV < ® Safety precautions Batteries give off explosive gasses. They are filled with dilute sulphuric acid, which is very corrosive. When working with sulphuric acid, always wear protective clothing and glasses. Exposed metal parts of the battery always carry a voltage and are electrically live (risk of short circuits). -
Page 3: Effect Of Temperature
Operation Guide > PowerSafe OPzV < ® The nominal capacity of PowerSafe OPzV cells for renewable energy applications is given as follows: ® Capacity Ah Current A Discharge period h End voltage V/cell 1.85V Discharge Rate: Is the ratio of discharge current divided by battery capacity Depth of Discharge (DOD): Capacity removed from the battery compared to total capacity. -
Page 4: Operating Temperature Range
2.06 Vpc 2.02 Vpc 1.3 Freshening Charge PowerSafe OPzV batteries must be given a refreshing charge : when maximum storage time is reached or when the OCV approaches 2.07Vpc whichever occurs first. The maximum storage times between refresh charge and recommended OCV audit frequency is given in the table below: Temperature (ºC/ºF) -
Page 5: Installation & Ventilation
Operation Guide > PowerSafe OPzV < ® 1.4 Commissioning Installation & ventilation The electrical protective measures and the accommodation and ventilation of the battery installation must be in accordance with the applicable “local” national standards, rules and regulations. Low ventilation requirement according to EN 50272-2 and IEC 62485-2:2010. The battery should be installed in a clean, dry area. -
Page 6: Products Covered By This Guide
Operation Guide > PowerSafe OPzV < ® reading End-of-charge The battery is charged once open-circuit voltage (OCV) readings after 24h of rest are in conformity with the values shown on the above table. The table hereafter gives an indication of the state of charge of cells from a reading of open circuit voltage. State of charge Voltage (Vpc) 100%... -
Page 7: Service Life
Operation Guide > PowerSafe OPzV < ® 2 CYCLIC OPERATION 2.1 Cyclic Performance The graph below shows cycling capability of PowerSafe OPzV products: ® ® PowerSafe OPzV Cycle Life Number of Cycles versus Depth of Discharge 12000 11500 11000 10500 10000 9500 9000... - Page 8 Operation Guide > PowerSafe OPzV < ® Example of a PowerSafe OPzV battery cycling with 20% daily: ® Average temperature Number of cycles at Compensation Estimated average number of cycles at of cells 25°C coefficient average temperature 25ºC 5500 5500 30ºC 5500 0.83...
- Page 9 Fax +65 6292 4380 www.enersys.com Please refer to the website address for details of your nearest EnerSys office: www.enersys.com © 2016 EnerSys . All rights reserved. Trademarks and logos are the property of EnerSys and its affiliates unless otherwise noted. ®...
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