| Abstract |
This paper discusses the design option for a current source inverter for a 15kW high-speed machine with a wide-band-gap technology-based electric motor drive. Both control and modulation options are considered, as well as the integration of silicon carbide (SiC) bi-directional switches to yield high-performance bi-directional switches, as required by the topology. Recently, by taking advantage of the high-speed switching performance of SiC, a simple and robust control design method without voltage sensing and the Two-Third Modulation (TTM) method, which has the benefit of high efficiency, have been proposed. Based on this recent work, this paper proposes the simplified current-sensor-less controller of the CSI-fed PMSM. Also, this paper compared the characteristics of the TTM with the conventional PWM methods by simulation models. |
