Yujing Liu
After 17 years working in ABB Corporate Research Center in Sweden, Yujing Liu became Full Professor in 2013 on electrical power engineering with focus on the applications of electrical machines and power electronics in sustainable electrical systems. Yujing Liu leads his research team to develop innovative and cost-effective solutions for renewable energy conversion and transportation electrification. Some examples of on-going research include (1) electrically-excited machine; (2) integrated PE-machine drive; (3) fuel cell powered drivetrain; (4) modular distributed vehicle drive; (5) 5-level MV NPC converter and MV PM generator for renewable energy; (6) synchronous reluctance motor; and (7) inductive charging. He is task leader in 2 EU Horizon2020 projects. He teaches Electric Drives (master student course, 90 students) and High Efficiency Electrical Machines (PhD course, 26 students) and supervises 6 PhD students, 1 postdoc and several project researcher and master students.
Showing 20 publications
A Comparative Study of Fuel Cell Electric Vehicle Hybridization with Battery or Supercapacitor
Design and Experimental Verification of a 48 V 20 kW Electrically Excited Synchronous Machine for Mild Hybrid Vehicles
Rotor Design of a Line-Start Synchronous Reluctance Machine with Respect to Induction Machine for Industrial Applications
Study of Voltage Spikes and Temperature Rise in Power Module Based Integrated Converter for 48 V 20 kW Electrically Excited Synchronous Machines
Commutation Torque-ripple Minimization for Brushless DC Motor Based on Quasi-Z-Source Inverter
Multiple electrical machines applied for high drive train efficiency
Comparative Study of the Torque Ripple and Iron Losses of a Permanent Magnet Synchronous Generator Driven by Multilevel Converters
Comparisons of Concentrated and Distributed Winding PMSM in MV Power Generation
A Comparative Study of Fuel Cell Electric Vehicles Hybridization with Battery or Supercapacitor
Generator Speed Control and Experimental Verification of Tidal Undersea Kite Systems
Feed-Forward Control for Active Voltage Balancing in Electric Drives with Five-Level NPC Converters
DC Link Voltage Balancing Technique Utilizing Space Vector Control in SiC-based Five-Level Back-to-Back-Connected NPC Converters
Combined Voltage Balancing Techniques of the DC Link in Five-Level Medium Voltage NPC Back-to-Back Converters for Offshore Renewable Generation
Comparison of copper loss minimization and field current minimization for Electrically Excited Synchronous Motor in mild hybrid drives
Sensorless control of a PMSM with a transmission system including shunt branches
High frequency exciter of electrically excited synchronous motors for vehicle applications
Study on filtering performance of soft magnetic composite inductors for switching harmonics in 3-phase 70 kW PWM converter systems
Grid and storage
Nät och elenergilager
Finite element analysis of end ring impedance in squirrel cage induction machines
Showing 10 research projects
Modular inductive power transfer (IPT) for high power vehicle charging
iTEM - Integrated Transmission and Electric Motor
Propeller-integrated motor drive for electric medium size boats
Floating voltage fuel cell drive system
Integrated Modular Distributed Drivetrain for Electric/Hybrid Vehicles
Cost-effective drivetrains for fuel cell powered EVs
Integrerade drivsystem för elektriska fordon
Variable Flux Machine for electric vehicles
Power Take-Off System for a Subsea Tidal Kite (PowerKite)
SWC Skalbar sladdlös laddning