VVVF INVERTER AND VEHICLE CONTROLLER

摘要

PROBLEM TO BE SOLVED: To provide a technology for further realizing high efficiency of a vehicle controller.SOLUTION: In a semiconductor element package 16a, two semiconductor elements each containing a switching transistor 411a that uses silicon carbide (SiC) and a reflux diode 511a are connected in series. One semiconductor element package is used for each phase of plus-side element and minus-side element, in a VVVF inverter 9.