Performance Analysis of Tubular Moving Magnet Linear Oscillating Actuator for Linear Compressors

Aftab Ahmad, Basharat Ullah, Zahoor Ahmad, Guangchen Liu and Muhammad Jawad
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Aftab Ahmad: College of Electric Power, Inner Mongolia University of Technology, Hohhot 010080, China
Basharat Ullah: Department of Electrical and Computer Engineering, COMSATS University Islamabad, Abbottabad 22060, Pakistan
Zahoor Ahmad: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Guangchen Liu: College of Electric Power, Inner Mongolia University of Technology, Hohhot 010080, China
Muhammad Jawad: School of Electrical Engineering, Southeast University, Nanjing 210096, China

Energies, 2022, vol. 15, issue 9, 1-19

Abstract: To overcome energy crises, attention is being paid to saving energy from household appliances. Traditional compressors are in need of being replaced by efficient linear compressors. This paper presents a new tubular moving magnet linear oscillating actuator (TMM-LOA) for compressor application. The proposed topology utilizes outer mover topology with separators between the mover and stator modules. The number of stator and mover modules can be increased or decreased based on the requirement. The addition of a separator avoids the flux cancellation and makes the proposed topology fault-tolerant. The design variables are optimized by using a parametric sweep, and the performance in terms of thrust force is observed. Both the static and transient analyses were performed to analyze the machine performance at various currents and stroke. Both mechanical and electrical resonance phenomena are discussed. The efficiency of the proposed TMM-LOA is calculated for one, two and three modules. Finally, the proposed topology is compared with other topologies proposed in the literature to show the superiority of the proposed design.

Keywords: finite element method; linear oscillating actuator; modular structure; outer mover; resonance frequency (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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