Title :
Which is more suitable for MMCC-based medium-voltage motor drives, a DSCC inverter or a TSBC converter?
Author :
Okazaki, Yuhei ; Kawamura, Wataru ; Hagiwara, Makoto ; Akagi, Hirofumi ; Ishida, Takashi ; Tsukakoshi, Masahiko ; Nakamura, Ritaka
Author_Institution :
Dept. of Electr. & Electron. Eng., Tokyo Inst. of Technol., Tokyo, Japan
Abstract :
This paper provides theoretical, numerical, and experimental comparisons in electrical-drive performance between a double-star chopper-cells (DSCC) inverter and a triple-star bridge-cells (TSBC) converter. The inverter and converter are two of the most promising members of the modular multilevel cascade converter (MMCC) family. Two sets of downscaled electrical drives using the DSCC inverter and the TSBC converter are designed, constructed, and tested, along with the common three-phase four-pole induction motor rated at 380 V, 15 kW, and 50 Hz. This paper presents experimental waveforms of the electrical drives loaded with a quadratic torque-to-speed profile and at the rated torque.
Keywords :
induction motor drives; invertors; power convertors; DSCC inverter; MMCC-based medium-voltage motor drives; TSBC converter; double-star chopper-cells inverter; electrical-drive performance; frequency 50 Hz; modular multilevel cascade converter; power 15 kW; quadratic torque-to-speed profile; three-phase four-pole induction motor; triple-star bridge-cells converter; voltage 380 V; Choppers (circuits); Frequency modulation; Induction motors; Inverters; Motor drives; Torque; Voltage control;
Conference_Titel :
Power Electronics and ECCE Asia (ICPE-ECCE Asia), 2015 9th International Conference on
Conference_Location :
Seoul
DOI :
10.1109/ICPE.2015.7167911
