>> P.21
4-3ExternalShortCircuitTestSystemtestsystemevaluatesThisthesafetyofbatterieswithshortcircuitsbetweenthepositiveandnegativeelectrodes.Itconsistsofatestareaequippedwithasafetyfunctionandanexternalshortcircuit(mechanical)section.Thestructurefeaturesadesignthatallowsforeasypost-testcleaningandmaintenance.Thesystemalsosupportsbatterypacksforvehicles.testsonlargeFeaturesteststobeconductedTheintegrateddesignallowsforexternalshortcircuitinanaccuratetemperatureenvironment.Supportstestsforvariousstandardsfordifferent-sizedbatteries,from(smallsize)batteriestolargebatterypacks.Equippedwithsafetyfunctionsthatprotectagainstreandburstingofthebattery,includingadoorlock,pressure(relief)vent,forcedexhaust,andreextinguisher.Thechamberstructuremaintenanceandcleaningaftertesting.isdesignedforeasyExternalShortCircuitTestSystemViewingwindowandexternalcameraallowforobservationoftestprogress.Supportsawiderangeofteststhatusevariableresistanceuptoamaximumcurrentof24,000A.Measuresthepre-testresistanceusingacircuitresistancechecker.SupportstestingforUNECER100.02PartIIrequirements.ExampleofcustomizedspecificationsExternalshortcircuittestsectionMeasuringsectionTestareasectionShortcircuitresistancerangeMaximumvoltageAllowablecurrentCCDcameraDataloggerTemperaturerangeTemperatureuctuationTestchamberinteriordimensionsSafetydevices5to100mΩ500V24,000A(0.1s)12,500A(0.4s)2,500A(10s)270,000pixelsMax.recordingtime:24hours200Ch(voltage/temperaturemeasurement)Min.measuringtime:10ms10to60°C±2.0°CW3000×H1800×D3000mmGasdetector,pressure(relief)vent,forcedexhaustsystem,reextinguishers20
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