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Efficiency comparison of trapezoidal and sinusoidal method for brushless DC motor drive

Mohd Arif , Abu Hassan and Abdul Rahim , Abdullah and Norhazilina , Bahari and Muhammad Ihsan, Mohd Sabri (2015) Efficiency comparison of trapezoidal and sinusoidal method for brushless DC motor drive. Applied Mechanics and Materials, 785 (2015). pp. 248-252. ISSN 1660-9336

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2015 Journal AMM Efficiency Comparison of Trapezoidal and Sinusoidal Method for Brushless DC Motor Drive.pdf

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Abstract

This paper compares overall efficiency of trapezoidal BLDC motor which is excited by trapezoidal drive and sinusoidal drive. The different characteristics and performance of trapezoidal brushless DC (BLDC) motor is formed by driving methods. Sinusoidal drive that excites trapezoidal BLDC motor generates greater maximum torque than trapezoidal drive. However, with regard to high frequency loss caused by a pulse width modulation (PWM) carrier and switching loss, the trapezoidal drive has potential to achieve higher efficiency than the sinusoidal drive. Thus, these two drive methods excite trapezoidal BLDC motor are compared to study the performance of efficiencies. The motors drives are simulated by using MATLAB and their efficiencies are measured. The results show that the trapezoidal BLDC motor with trapezoidal drive has higher efficiency compared to trapezoidal BLDC motor with sinusoidal drive.

Item Type: Article
Uncontrolled Keywords: brushless DC motor, trapezoidal back-emf, pulse width modulation, trapezoidal drive, sinusoidal drive, efficiency
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electrical Engineering > Department of Power Electronics & Drives
Depositing User: Dr Abdul Rahim Abdullah
Date Deposited: 23 Jul 2015 03:42
Last Modified: 23 Jul 2015 03:42
URI: http://eprints.utem.edu.my/id/eprint/14726

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