2018
DOI: 10.3390/en11071707
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Comparative Analysis and Experimental Verification of a Linear Tubular Generator for Wave Energy Conversion

Abstract: To improve the power density and reliability of radial (RS-TLPMG) and quasi-Halbach (QH-TLPMG) magnetization tubular linear surface-mounted permanent magnet generators under realistic sea-state conditions, a novel tubular linear generator with multilayer interior permanent magnets (MI-TLPMG) for wave energy conversion is proposed and analyzed in this paper. Using finite element analysis (FEA), a comprehensive comparison of air gap flux density, flux linkage, back electromotive force (back-EMF), load, and no-lo… Show more

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Cited by 11 publications
(7 citation statements)
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“…This is because of the different contributions along the stator windings for every phase. A resembling imbalance between phases was mentioned in [15]. This difference in magnitude between phases is more prominent when the ratio of the machine length over stroke length is low, as it is for this machine.…”
Section: Buried Topology Without End Region Alterationsmentioning
confidence: 60%
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“…This is because of the different contributions along the stator windings for every phase. A resembling imbalance between phases was mentioned in [15]. This difference in magnitude between phases is more prominent when the ratio of the machine length over stroke length is low, as it is for this machine.…”
Section: Buried Topology Without End Region Alterationsmentioning
confidence: 60%
“…One study separates the stator block into sections with two phases in each block to counter the end forces [14]. Another study adds assistant teeth and notes the different magnitudes in phase voltages for windings closer to the stator ends [15]. For a linear Vernier hybrid machine, the force ripple and cogging have been minimized by optimizing the consequent poles, translator poles, and PM width [16].…”
Section: Introductionmentioning
confidence: 99%
“…The theoretical calculation is performed under ideal conditions, which are the neglects of churn loss, stray loss, linear slides friction, current losses, and hysteresis in HPMLG 37,38 . Therefore, under the precondition of ignoring the above factors, the experimental results are reliable.…”
Section: Resultsmentioning
confidence: 99%
“…Tubular machines are commonly applied in many industrial applications, such as cryocoolers, linear compressors, or refrigerators [1][2][3]. Recent research activities for energy harvesting in vehicle suspension systems [4][5][6] or using ocean wave energy [7][8][9] have proposed a new trend for tubular machines. From a design viewpoint, at a particular volume, increasing the output power is very difficult.…”
Section: Introductionmentioning
confidence: 99%