미사일 발사대 유도전동기 제어를 위한 모듈 개발

Abstract

In this study, we designed and fabricated an insulated gate bipolar transistor (IGBT) module to control missilelauncher induction motors. This IGBT module was designed to receive digital voltage-level switching signalsfrom a microcontroller, thereby converting them into IGBT gate signals to operate the three-phase inverter of thebuilt-in 7-pack IGBT. In addition, an IGBT driver module was used to drive the regenerative braking IGBT, andsmoothing capacitors were applied to the DC link power rectified from the three-phase AC power, along withsnubber capacitors to prevent surge power from high-capacity IGBT switching signals and reduce EMI. Thismodule also included sensors to monitor the phase current and DC-link voltage for the control of the three-phaseinduction motor. The fabricated IGBT module was tested along with the IGBT driver module, and theexperimental results confirmed the smooth operation of the module. Therefore, the proposed IGBT module canbe effectively applied to motor controllers for missile launcher induction motor control.