NDLI: Sensorless drive of permanent magnet brushless DC motor with 180 degree commutation

Content Provider	IEEE Xplore Digital Library
Author	Boyang Hu Sathiakumar, S.
Copyright Year	2010
Description	Author affiliation: School of Electrical and Information Engineering, The University of Sydney, NSW, Australia (Boyang Hu; Sathiakumar, S.)
Abstract	The three-phase wye connected permanent magnet brushless dc motor is conventionally driven by 120 degree commutation. Two phases are conducting current and the other one is always floating without any torque produced in each conduction interval. Rather than the conventional 120 degree drive, all three phases of 180 degree commutation are expected to conduct current in all sectors, which results in more power delivered from inverter side to the motor side for the same power supply voltage. In this paper, a recently proposed sensorless algorithm is highlighted with well performance in low speed operation. Based on dSPACE, comparison of different dynamic conditions between 120 and 180 degree commutation is presented and analyzed comprehensively. Extensive experiment tests show excellent results on dynamic performance of 180 degree commutation, which matches the simulation results from Simulink/Matlab. 180 degree commutation is verified to work properly with the ability to deliver more power when compared with conventional 120 degree commutation.
Starting Page	106
Ending Page	111
File Size	393342
Page Count	6
File Format	PDF
ISBN	9781424465033
e-ISBN	9781424465064
DOI	10.1109/RAMECH.2010.5513205
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-28
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Brushless DC motors Commutation Torque DC motors AC motors Voltage Rotors Solid state circuits Synchronous motors Magnetic materials 120/180 degree commutation brushless dc motor sensorless drive low speed
Content Type	Text
Resource Type	Article

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