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/lp/de-gruyter/recovery-braking-of-variable-structure-electronic-commutator-for-bldc-sPKwe6BhvR
- Publisher
- de Gruyter
- Copyright
- Copyright © 2012 by the
- ISSN
- 0004-0746
- DOI
- 10.2478/v10171-012-0043-x
- Publisher site
- See Article on Publisher Site
Abstract
Abstract Permanent magnet motors are more and more frequently used in various applications. In this group motors with a trapezoidal EMF deserve a special attention. They are characterized by a simple construction, high efficiency and high torque overload. A certain drawback of BLDC motors are difficulties with an operation at a speed above the nominal value. The article presents the results of investigations into the variablestructure electronic commutator designed for the drive of a small electric vehicle equipped with BLDC motors. Such a solution allows extending the standard range of the drive’s speed. The considerations contained in the article focus on the possibilities and effects of regeneration mode in the proposed topology of converter. A theoretical analysis has been presented as well as computer simulations carried out by means of Matlab- Simulink, which were then verified at a laboratory. The tests were finished with trials conducted using a small electric vehicle Elipsa.
Journal
Archives of Electrical Engineering – de Gruyter
Published: Nov 1, 2012