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- Title
Brushless DC Permanent Magnet Motors State of the Art.
- Authors
CRAIU, Ovidiu; MELCESCU, Leonard Marius; BOBOC, Cristian
- Abstract
The paper presents a study of the permanent magnet brushless DC machine, from two perspectives - from authors’ own experience in designing and manufacturing such motors, as well as from actual published research. Various constructive topologies and how they influence BLDC operation, windings used with emphasis on slot, concentrated windings, are also presented. The following part describes current techniques used for enhancing BLDC limited maximum speed, such as phase advance and dwell control, somewhat similar to flux weakening in AC permanent magnet brushless motors. The paper concludes with presentation of several methods used for sensing BLDC rotor position. Overall, the authors’ intention publishing this paper w as t o provide an insight regarding current BLDC development, as well as to assist in making documented choices when using BLDC in specific applications.
- Subjects
PERMANENT magnet motors; PERMANENT magnets; BRUSHLESS direct current electric motors; BRUSHLESS electric motors; SPEED limits
- Publication
Electrotehnica, Electronica, Automatica, 2021, Vol 69, Issue 4, p05
- ISSN
1582-5175
- Publication type
Article
- DOI
10.46904/eea.21.69.4.1108001