Characteristics of Z-source inverter supply for permanent magnet brushless motors

Author

Buja, Giuseppe ; Keshri, Ritesh ; Menis, Roberto

Author_Institution

Dept. of Electr. Eng., Univ. of Padova, Padova, Italy

fYear

2009

fDate

3-5 Nov. 2009

Firstpage

1234

Lastpage

1239

Abstract

Z-source inverters (ZSIs) supply AC loads from a DC source and boost the voltage of the DC source in a single stage. Such an ability is much needed in electric vehicles where the rated voltage of the traction motors is usually higher than the voltage generated by the onboard DC sources. Being the technological trend in the traction drives directed toward the employment of PM brushless motors, the use of a ZSI for their supply is a cutting-edge issue, which is investigated in this paper. The paper starts by formulating the equations of a ZSI in a suitable form. Then the characteristics of the ZSI supply for the two basic types of PM brushless motor, namely the DC and AC types, are assessed with regards to the switch solicitation and utilization. As a comparison, the characteristics of the traditional DC-DC boosted inverter supply are also given.

Keywords

brushless DC motors; electric vehicles; invertors; permanent magnet motors; DC source; DC-DC boosted inverter supply; Z-source inverter supply; electric vehicles; permanent magnet brushless motors; traction motors; Brushless motors; Costs; Electric vehicles; Equations; Inverters; Propulsion; Switches; Topology; Traction motors; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Electronics, 2009. IECON '09. 35th Annual Conference of IEEE

Conference_Location

Porto

ISSN

1553-572X

Print_ISBN

978-1-4244-4648-3

Electronic_ISBN

1553-572X

Type

conf

DOI

10.1109/IECON.2009.5414668

Filename

5414668