IEC 60896-22 is applicable to :-
- All stationary Lead-acid cells
- Monobloc batteries of the valve regulated type
- For Float charge application: They can be permanently connected to a load and d.c. power supply.
- In a static location: not generally moved from place to place.
They are incorporated into stationary equipment or installed in battery room.
These kinds of batteries can be used in
- Utility switch
- Emergency power or similar applications
Objective of IEC 60896-22 :- It specify the methods of tests for all types and construction of valve regulated stationary Lead acid batteries and monobloc batteries.
Does not applicable :
- lead-acid cells and monobloc batteries used for vehicle engine starting applications
- solar photovoltaic energy systems
- general purpose applications
There is a list of tests performed on the batteries for safe operation characteristics, durability Characterstics & performance Characteristics.
Safe operation characteristics
|6.1||Gas emission||To determine the emitted gas volume|
|6.2||High Current Tolerance||To verify the adequacy of current conductioncross- sections|
|6.3||Short circuit current & d.c internal resistance||To provide data for the sizing of fuses in theexterior circuit|
|6.4||Protection against internal ignition from external spark sources||To evaluate the adequacy of protective features|
|6.5||Protection against ground short propensity||To evaluate the adequacy of design features|
|6.6||Content and durability of required markings||To evaluate the quality of the markings and thecontent of the information|
|6.7||Material identification||To ensure the presence of material identificationmarkings|
|6.8||Valve operation||To ensure the correct opening of safety valves|
|6.9||Flammability rating of materials||To verify the fire hazard class of battery materials|
|6.10||Intercell connector performance||To verify the maximum surface temperatures ofthe connectors during high rate discharges|
|6.11||Discharge capacity||To verify the available capacities at selecteddischarge rates or discharge durations.|
|6.12||Charge retention during storage||To provide storage duration data|
|6.13||Float service with daily discharges||To determine cyclic performance under float charge conditions|
|6.14||Recharge behavior||To determine the recovery of capacity orautonomy time after a power outage|
|6.15||Service life at an operating temperature of40 °C||To determine the operational life at elevated temperatures|
|6.16||Impact of a stress temperature of 55 °C or60 °C||To determine the influence of high stresstemperatures on cell or monobloc battery life|
|6.17||Abusive over-discharge||To determine the expected behaviour when excessive capacity is discharged|
|6.18||Thermal runaway sensitivity||To determine the expected times to establish a condition of escalating current and temperature|
|6.19||Low temperature sensitivity||To determine the sensitivity toward damage induced by electrolyte freezing|
|6.20||Dimensional stability at elevated internalpressure and temperature||To determine the propensity of the cell ormonobloc battery to be deformed by internal|
pressure and at elevated temperature
|6.21||Stability against mechanical abuse of unitsduring installation||To determine the propensity of the cell ormonobloc battery to fracture or leak when|
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