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2024, Vol: 31, Issue: 3
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Original Research 


PERFORMANCE PREDICTION OF MAGNETLESS DIRECT CURRENT MACHINE USING FINITE ELEMENT ANALYSIS

Chukwuemeka Chijioke AWAH.


Abstract
A direct current (DC) electric machine devoid of permanent magnets is developed and analyzed in this paper using finite element analysis (FEA) simulation approach. The investigated machine modules include: flux linkage, electromotive force (EMF), rotor magnetic force, output torque, and core loss. It is revealed that the output characteristics of the investigated machine are closely related to its electric loading and its rotor angular speed; thus, the higher the value of these two parameters, the larger its electromagnetic output performance. For instance, the obtained force magnitudes of the analyzed machine at fixed speed of 500 rpm and varying armature current of 5 A, 10 A, 15 A and 20 A are 31.26 N, 63.18 N, 95.75 N, and 128.97 N, respectively. Similarly, the resultant electromotive force amplitudes of the machine at different rotor speed i.e. 500 rpm, 1000 rpm, 1500 rpm, 2000 rpm, and 2500 rpm are 0.28 mV, 0.56 mV, 0.83 mV, 1.11 mV, and 1.38 mV, respectively. The analyzed machine would be suitable for low speed direct drive applications, owing to its brushless nature.

Key words: Core loss, Direct current, EMF, Flux linkage, Magnet less machine, and Torque.


 
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Pubmed Style

AWAH CC, . PERFORMANCE PREDICTION OF MAGNETLESS DIRECT CURRENT MACHINE USING FINITE ELEMENT ANALYSIS. NJE. 2021; 28(2): 32-38.

Web Style

AWAH CC, . PERFORMANCE PREDICTION OF MAGNETLESS DIRECT CURRENT MACHINE USING FINITE ELEMENT ANALYSIS. https://www.njeabu.com.ng/?mno=76423 [Access: September 12, 2024].

AMA (American Medical Association) Style

AWAH CC, . PERFORMANCE PREDICTION OF MAGNETLESS DIRECT CURRENT MACHINE USING FINITE ELEMENT ANALYSIS. NJE. 2021; 28(2): 32-38.


Vancouver/ICMJE Style

AWAH CC, . PERFORMANCE PREDICTION OF MAGNETLESS DIRECT CURRENT MACHINE USING FINITE ELEMENT ANALYSIS. NJE. (2021), [cited September 12, 2024]; 28(2): 32-38.


Harvard Style

AWAH, C. C. & (2021) PERFORMANCE PREDICTION OF MAGNETLESS DIRECT CURRENT MACHINE USING FINITE ELEMENT ANALYSIS. NJE, 28 (2), 32-38.


Turabian Style

AWAH, Chukwuemeka Chijioke, and . 2021. PERFORMANCE PREDICTION OF MAGNETLESS DIRECT CURRENT MACHINE USING FINITE ELEMENT ANALYSIS. Nigerian Journal of Engineering, 28 (2), 32-38.


Chicago Style

AWAH, Chukwuemeka Chijioke, and . "PERFORMANCE PREDICTION OF MAGNETLESS DIRECT CURRENT MACHINE USING FINITE ELEMENT ANALYSIS." Nigerian Journal of Engineering 28 (2021), 32-38.


MLA (The Modern Language Association) Style

AWAH, Chukwuemeka Chijioke, and . "PERFORMANCE PREDICTION OF MAGNETLESS DIRECT CURRENT MACHINE USING FINITE ELEMENT ANALYSIS." Nigerian Journal of Engineering 28.2 (2021), 32-38. Print.


APA (American Psychological Association) Style

AWAH, C. C. & (2021) PERFORMANCE PREDICTION OF MAGNETLESS DIRECT CURRENT MACHINE USING FINITE ELEMENT ANALYSIS. Nigerian Journal of Engineering, 28 (2), 32-38.


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