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Internal Conductance Testing

Mark Hlavac

The results of this work has clearly demonstrated the need to maintain VRLA batteries while demonstrating the capability of alternative test methods (Conductance, Impedance, Admittance and Resistance) to assess failed batteries (less than 80% of rated capacity). The purpose of this presentation is to help improve the understanding of battery problems and how the conductance measurement technique can be a useful tool in a maintenance practice. This talk will also provide an overview of basic battery installation, data collection and evaluation methods, which are currently used by many battery users. Finally, this talk will provide an overview of a process for managing the testing of existing battery systems already in service and new battery installations.

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