Sul’s Research

  •  System Design

AC motor drive system in electric/hybrid vehicle
Super capacitor application to hybrid electric system
Control of electric propulsion system of vessels
Cold Mill System, Elevator, Crane, Excavator

  • Motor Drive

Flux weakening control of AC motors
Control of AC machine at super high rotating speed
Position/Speed sensorless control of AC motors
Injection of high-frequency signal
Linear Motor Control

  • Power Converter

Generalized PWM technique and its application to power converter
High frequency link based next generation high power conversion system
Capacitorless Inverter
Matrix Converter

  • Control Board Design

Digital control board design
Current controller implemented in FPGA

  • Power Quility

Minimization of harmonics and EMI/EMC of power converters
Line Interactive UPS
UPQC

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