Design considerations for a PM synchronous motor with rotor saliency for high speed drives

Author

Bianchi, Nicola ; Bolognani, Silverio ; Chalmers, B.J.

Author_Institution

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

Volume

1

fYear

1999

fDate

1999

Firstpage

117

Abstract

Some new design proposals of permanent magnet synchronous motors for extending their flux-weakening capabilities propose a saliency ratio I_d/I_q greater than one, contrarily to classical designs that exhibit a value lower than one. This paper presents a comparison of several effective design solutions of synchronous motors including both the classical and the new solutions. To better understand the peculiar differences in the motor design, the same base and flux-weakening performance are fixed. The influence of the saliency ratio to inverter volt-ampere ratings, maximum feasible speed and current control characteristics is highlighted and discussed

Keywords

DC-AC power convertors; invertors; machine theory; magnetic flux; permanent magnet motors; rotors; synchronous motor drives; PM synchronous motor; current control characteristics; design considerations; design solutions; flux-weakening capabilities; flux-weakening performance; high speed drives; inverter volt-ampere ratings; maximum feasible speed; rotor saliency; saliency ratio; Design engineering; Iron; Magnetic variables control; Permanent magnet motors; Proposals; Pulse width modulation inverters; Rotors; Saturation magnetization; Synchronous motors; Wounds;

fLanguage

English

Publisher

ieee

Conference_Titel

Industry Applications Conference, 1999. Thirty-Fourth IAS Annual Meeting. Conference Record of the 1999 IEEE

Conference_Location

Phoenix, AZ

ISSN

0197-2618

Print_ISBN

0-7803-5589-X

Type

conf

DOI

10.1109/IAS.1999.799940

Filename

799940