For every application, HEC chooses the right synthesis of components; available on the market or to be developed. For existing components, HEC uses reliable suppliers. Development of new components is performed in cooperation with competent partners. Main components of typical electric drive systems:     • AC motor     • Inverter    • Battery system Main components of typical hybrid drive systems:     • AC motor    • Inverter     • Battery system     • AC generator     • Internal Combustion Engine     • Drive control unit