Three-phase inverter module for frequency converter, has throttle unit with inductor having air core, for each output phase of inverter, where core has diamagnetic and paramagnetic materials

摘要

The module has inverters, which comprise output branches (U1-U3) for each output phase, where the inverters have switching assemblies for each of the output phases. A throttle unit has an inductor (L1) with an air core, for each output phase of the inverter, where the core has diamagnetic and paramagnetic materials. The unit is coupled to the output branch of the corresponding output phase of the inverter.