In spite of obvious advantages a Switched Reluctance Drive (SRD) is still considered as an unknown newcomer among other EV electric drive technologies because of a little number of experimental approvals of its high performance characteristics and a lack of detailed optimization procedures to meet specific EV requirements. The paper presents some results of long-term theoretical and experimental SRD investigations and gives to potential SRD users the idea of what they could expect using SRD in their EV developments. In Russia SRD investigations are realized under Russian EV Program with the support of Russian Ministry of Science and Technologies and REVA. Detailed experimental investigations have been made on different SRD samples - 18 kW, 6000 rpm for light cars, 160 W, 160 rpm for bicycles etc. Specially organized testing facilities allowed obtaining results for different SRD configurations, different types of control with and without rotor position sensor, different modes of operation typical for EV application. Generalization of experimentally obtained results gives a base for reliable estimations of main SRD features in form of per-unit characteristics reflecting mass of active materials, energy properties, functional possibilities in different modes of operation etc. These characteristics can be used for SRD comparison with other EV drive technologies. The optimal SRD design for any particular EV application can be made by means of special CAD program carried out as a final result of the above mentioned experimental SRD investigation. Preliminary comparison of SRD traction systems with alternative ones has shown that besides well known SRD advantages - extreme simplicity in production, exploiting and utilization, low cost and high reliability - this new type of EV traction system has many other positive features such as an excellent mass/power factor, a very good efficiency in a wide range of torque and velocities, speed - torque characteristics optimal for EVs, flexible regenerative modes etc.
Switched reluctance drive for electric vehicles application
Variabler Reluktanzantrieb für den Einsatz in Elektrofahrzeugen
2000
8 Seiten, 7 Bilder, 2 Tabellen, 7 Quellen
Aufsatz (Konferenz)
Datenträger
Englisch
Switched reluctance drives for electric vehicles
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