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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Application Characteristics of Permanent Magnet Synchronous and Brushless dc Motors for Servo Drives
IEEE Transactions on Industry Applications, Volume 27, No. 5, Year 1991
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Description
The permanent magnet synchronous motor (PMSM) and the brushless dc motor (BDCM) have many similarities; they both have permanent magnets on the rotor and require alternating stator currents to produce constant torque. The difference in these two machines is that the PMSM and the BDCM has sinusoidal and trapezoidal back emfs, respectively. This means these two machines have different operating characteristics and control requirements. For application considerations these two motor drives have to be differentiated on the basis of known engineering criteria. Some of the criteria used to assess these two machines include power density, torque per unit current, speed range, feedback devices, inverter rating, cogging torque, ripple torque, and parameter sensitivity. Guidelines for the appropriate machine to be used for a given application are given based on the results of the criteria listed above. © 1991 IEEE
Authors & Co-Authors
Pillay, Pragasen
United States, New Orleans
University of new Orleans
United States, Blacksburg
Virginia Polytechnic Institute and State University
Statistics
Citations: 461
Authors: 1
Affiliations: 2
Identifiers
Doi:
10.1109/28.90357
ISSN:
00939994