rectifiers; solid-state transformers; charging stations for electric vehicles (EV); switchgear for all voltages and all currents, namely, circuit-breakers, miniature circuit-breakers for cable and installation protection, motor-protective circuit-breakers, overload protective switches, electric thermal overload, timing and protective relays; transformers; solar inverters; energy storage inverters; power supplies; inverters

installation, maintenance, and repair of power electronics and infrastructure for power electronics