Search Results - "Kamper, M.J."

Capability study of dry gravity energy storage by Botha, C.D., Kamper, M.J.

“…•Hydroelectric gravity storage is expanded for waterless operation.•Dry gravity energy storage has a long lifetime and high cyclability.•This storage method…”
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Analysis and Performance of Axial Flux Permanent-Magnet Machine With Air-Cored Nonoverlapping Concentrated Stator Windings by Kamper, M.J., Rong-Jie Wang, Rossouw, F.G.

“…In this paper, the performance of air-cored (ironless) stator axial flux permanent magnet machines with different types of concentrated-coil nonoverlapping…”
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IPM Traction Machine With Single Layer Non-Overlapping Concentrated Windings by Germishuizen, J.J., Kamper, M.J.

“…In this paper, an interior permanent-magnet traction drive machine with single layer non-overlapping concentrated stator winding is analyzed. In the single…”
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Optimal design of a coreless stator axial flux permanent-magnet generator by Rong-Jie Wang, Kamper, M.J., Van der Westhuizen, K., Gieras, J.F.

“…This paper describes a hybrid method for calculating the performance of a coreless stator axial flux permanent-magnet (AFPM) generator. The method uses a…”
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Calculation of eddy current loss in axial field permanent-magnet machine with coreless stator by Rong-Jie Wang, Kamper, M.J.

“…This paper presents a hybrid method for the calculation of eddy current loss in coreless stator axial field permanent-magnet (AFPM) machines. The method…”
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Novel Direct Flux and Direct Torque Control of Six-Phase Induction Machine With Nearly Square Air-Gap Flux Density by Yong-Le Ai, Kamper, M.J., Le Roux, A.D.

“…In this paper, a novel control method for a six-phase induction machine with nearly square air-gap flux density is proposed and evaluated. In this method, the…”
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Effect of stator chording and rotor skewing on performance of reluctance synchronous machine by Bomela, X.B., Kamper, M.J.

“…Low torque ripple in electrical machines is generally required to reduce acoustic noise and mechanical resonance vibration. To design for low torque ripple,…”
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Performance of a hybrid electric vehicle using reluctance synchronous machine technology by Malan, J., Kamper, M.J.

“…The performance of a parallel hybrid electric vehicle (HEV) with a small reluctance synchronous machine drive is presented. The machine is current-angle…”
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Development of a thermofluid model for Axial field permanent-magnet Machines by Rong-Jie Wang, Kamper, M.J., Dobson, R.T.

“…A thermofluid model combining a lumped parameter heat transfer model and an air-flow model of a typical axial-field permanent-magnet (AFPM) machine is…”
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Performance Evaluation of a Linear Vernier Hybrid Machine for Use in Dry Gravity Storage by Mugyema, M., Kamper, M.J., Wang, R.-J.

“…This paper focuses on a consequent pole linear vernier hybrid machine for use in dry gravity energy storage systems. The consequent pole linear vernier hybrid…”
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Finite-Element Time-Step Simulation of the Switched Reluctance Machine Drive Under Single Pulse Mode Operation by Kamper, M.J., Rasmeni, S.W., Wang, R.-J.

“…This paper proposes two distinct numerical simulation methods using finite-element time-step analysis for predicting the current waveform of a switched…”
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Performance and Cost Comparison of Conventionaland Vernier PM Wind Generators for Small-scale Uncontrolled Passive Wind Energy Systems by Labuschagne, C.J.J., Kamper, M.J.

“…This paper forms part of a broader study that focusses on the use of permanent magnet wind generators in small-scale uncontrolled passive wind energy systems…”
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Permanent Magnet Vernier Generator Design for a Small-scale Passive Wind Generator System by Labuschagne, C.J.J., Kamper, M.J.

“…In this paper it is proposed that permanent magnet vernier generators be used in a small-scale passive wind generator system. Various aspects such as the…”
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Evaluation of PM Rotor Topologies for Impedance Matching of Small-Scale Passive DC-Connected Wind Generator Systems by Labuschagne, C.J.J., Kamper, M.J.

“…This paper forms part of a broader study that investigates the design of permanent magnet synchronous generators for small-scale passive dc-connected wind…”
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Design and Control of a Linear Electric Machine Based Gravity Energy Storage System by Mugyema, M., Rabadia, M.M., Botha, C.D., Kamper, M.J., Wang, R-J

“…In this paper the design of a 130 kW linear electric machine for use in dry gravity storage system is presented. The linear electric machine makes use of a…”
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Steady-State Performance Analysis of Direct-On-Line Cylindrical Wound-Rotor Synchronous Motor by Mabhula, M., Kamper, M.J.

“…A steady-state performance analysis iterative process of a direct-on-line cylindrical wound-rotor synchronous motor is presented in this paper. The analysis…”
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Design Optimisation and Comparison of Fractional-Slot Overlap and Non-Overlap Winding Direct-Drive PM Wind Generators for DC-connected Applications by Labuschagne, C.J.J., Kamper, M.J.

“…The aim of this paper is to investigate and compare the use of direct drive fractional-slot overlap and non-overlap winding permanent magnet synchronous wind…”
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Force Ripple and Cogging Force Minimisation Criteria of Single-Sided Consequent-Pole Linear Vernier Hybrid Machines by Botha, C.D., Kamper, M.J., Wang, R.-J., Sorgdrager, A.J.

“…In this paper, the force ripple and cogging force minimisation of single-sided consequent-pole linear vernier hybrid machines is investigated through the use…”
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Two-dimensional Cartesian air-gap element (CAGE) for dynamic finite-element modeling of electrical machines with a flat air gap by Wang, R., Mohellebi, H., Flack, T.J., Kamper, M.J., Buys, J.D., Feliachi, M.

“…This paper extends the air-gap element (AGE) to enable the modeling of flat air gaps. AGE is a macroelement originally proposed by Abdel-Razek et al. (IEEE…”
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Design optimisation and cost analysis of linear vernier electric machine-based gravity energy storage systems by Botha, C.D., Kamper, M.J., Wang, R-.J.

“…Energy storage technologies have been gaining increasing attention as a way to help integrate variable and intermittent renewable energy sources into the grid…”
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