Abstract
Electric transportation has made rapid developments and significant steps toward the full electrical powertrain systems. With the increased use of electric vehicles energy conversion systems several technologies have been developed and reached a high degree of performance. Since electric vehicles and hybrid are the more cost competitive technology available today, the evolution toward a more reliable powertrain combining different electric powertrain systems is needed. Induction machine and permanent magnet generators/motors integrated powertrains have some significant advantages over other types of systems such as no need of excitation, low volume and weight, high precision, and no use of a complex gearbox for torque/speed conversion. A electric vehicle powertrain for EV propulsion with a induction motor and a matrix converter is proposed in this paper. The induction motor is controlled using the direct torque flux algorithm. The traditional power conversion stages consist of a rectifier followed by an inverter and bulky DC link capacitor. It involves 2 stages of power conversion and, subsequently, the efficiency of the overall EV is reduced because of power quality issues mainly based on total harmonic distortion. The proposed solution incorporates a matrix converter is mainly utilized to control the induction electric motor for propulsion. The matrix converter is a simple and compact direct AC-AC converter. The proposed EV with matrix converter is modeled using PSIM.
Highlights
Transportation is a key sector in every country economy
This paper focuses on the modeling of an electric powertrain with induction machine driven by a with a matrix converter, developed in PSIM
It consists in matrix converter based electric drive; a permanent magnet synchronous machines (PMSM) permanent magnet generator operated a fixed speed a three phase inverter/ battery charger
Summary
Electric vehicles are several times more efficient in converting energy into vehicle movement than conventional gasoline and diesel vehicles (Benachour, 2016; Venugopal, 2010; Mardani, 2015; Fazli, 2017; Sebtahmadi, 2015; Faraji, 2011). They are much more compatible with renewable energy sources and in combination with this represent a very serious pollution reduction technology. The intermediate DC link creates an electrical decoupling between the PMG and the grid It requires a separate controller for compensation of stored kinetic energy in the generator (Zhang, 2017).The matrix converter does not require a DC link. The performance of the matrix converter is controlled using a special optimum commutation table
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