Title :
A CSI-based medium voltage multi-motor drive
Author :
Ma, Daming ; Wu, Bin ; Rizzo, Steve
Author_Institution :
Dept. of Electr. & Comput. Eng., Ryerson Polytech. Inst., Toronto, Ont., Canada
Abstract :
A current source inverter (CSI) based multi-induction motor drive is presented. An active damping control is incorporated into the constant V/f control for drive stability improvement and LC resonance suppression. The dynamic performance of the DC link is improved by an inverter side DC voltage feedforward control. A new space vector switching pattern is developed such that the proposed control scheme can be implemented with a low switching frequency (500 Hz), which makes the proposed drive suitable for medium voltage and high power applications. The experimental results based on a 2O kVA GTO prototyping drive using a TMS320C31 DSP controller are included
Keywords :
damping; digital control; digital signal processing chips; feedforward; frequency control; induction motor drives; invertors; machine vector control; switching circuits; voltage control; 20 kVA; 500 Hz; CSI-based medium voltage multi-motor drive; GTO prototyping drive; LC resonance suppression; TMS320C31 DSP controller; active damping control; current source inverter; dynamic performance; inverter side DC voltage feedforward control; low switching frequency; multi-induction motor drive; space vector switching pattern; Damping; Digital signal processing; Inverters; Medium voltage; Motor drives; Prototypes; Resonance; Stability; Switching frequency; Voltage control;
Conference_Titel :
Power Electronics and Motion Control Conference, 2000. Proceedings. IPEMC 2000. The Third International
Conference_Location :
Beijing
Print_ISBN :
7-80003-464-X
DOI :
10.1109/IPEMC.2000.884600
