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Analysis of a Tubular Linear Permanent Magnet Motor for Reciprocating Compressor Applications

Taib , Ibrahim and Mohd Nor, Nursyarizal (2014) Analysis of a Tubular Linear Permanent Magnet Motor for Reciprocating Compressor Applications. [Citation Index Journal]

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Abstract

This paper describes a design optimization to achieve optimal performance of a two novel single-phase short-stroke tubular linear permanent magnet motors (TLPMMs) with rectangular and trapezoidal permanent magnets (PMs) structures. The motors equipped with a quasi-Halbach magnetized moving-magnet armature and slotted stator with a single-slot carrying a single coil. The motors have been developed for reciprocating compressor applications such as household refrigerators. It is observed that the TLPMM efficiency can be optimized with respect to the leading design parameters (dimensional ratios). Furthermore, the influence of mover back iron is investigated and the loss of the motor is computed. Finite element analysis (FEA) is employed for the optimization, and the optimal values of the ratio of the axial length of the radially magnetized magnets to the pole pitch as well as the ratio of the PMs outer radius-to-stator outer radius (split ratio), are identified.

Item Type:Citation Index Journal
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Academic Subject One:Academic Department - Electrical And Electronics - Power Electronics - Electrical Machines - Type of Electrical Machines - Permanent Magnet Machines
Departments / MOR / COE:Departments > Electrical & Electronic Engineering
Mission Oriented Research > Energy
ID Code:11164
Deposited By: Dr Nursyarizal Mohd Nor
Deposited On:16 Feb 2014 23:41
Last Modified:16 Feb 2014 23:41

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