Investigation of appropriate pole number combinations for brushless doubly fed machines applied to pump drives

Author

Boger, Michael S. ; Wallace, Alan K. ; Spée, René

Author_Institution

Dept. of Electr. & Comput. Eng., Oregon State Univ., Corvallis, OR, USA

Volume

32

Issue

1

fYear

1996

Firstpage

189

Lastpage

194

Abstract

Three alternative brushless doubly-fed induction machine (BDFM) pump drive configurations are investigated as a replacement for a 60 hp wound rotor induction machine drive. The BDFM, utilizing a bidirectional power converter to realize precise (synchronous) speed control, is shown to require a power electronic converter of substantially reduced rating which can result in significant system cost savings. In addition, the BDFM system offers controlled, unity power factor operation. A procedure for analyzing BDFM designs is presented (with examples) and steady state performance results are predicted for the BDFM pump drives. This paper explains the design decisions that are made in regards to power converter rating and pole-pair selection

Keywords

brushless machines; design engineering; induction motor drives; machine theory; power convertors; pumps; rotors; 60 hp; bidirectional power converter; brushless doubly-fed induction machine; designs; pole-pair selection; pump drive configurations; rating; steady state performance; synchronous speed control; unity power factor operation; Control systems; Costs; Induction machines; Performance analysis; Power electronics; Pumps; Reactive power; Rotors; Velocity control; Wounds;

fLanguage

English

Journal_Title

Industry Applications, IEEE Transactions on

Publisher

ieee

ISSN

0093-9994

Type

jour

DOI

10.1109/28.485831

Filename

485831