Li-ion accumulators for propulsion system of electric airplane VUT 051 RAY

This article presents Li-ion accumulator system for the electric airplane VUT 051 RAY. This battery is a modular electric source which consists of 3,060 Li-ion NCR18650A accumulator cells connected in serial and parallel combinations, with a total capacity of 102 Ah and nominal voltage of 324 V. The contribution describes, inter alia, a battery monitoring system including accumulator balancing and also electric measurement results of one load cycle.