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Cost Minimization of a Permanent Magnet Eddy Current Brake by Multiobjective Particle Swarm Optimization Based on Nonlinear Reluctance Network Modeling
(IEEE, 2021-11-22)
Design optimization of a permanent magnet eddy current brake (PM-ECB) is performed by applying multiobjective particle swarm optimization (MO-PSO) for cost minimization. A previously designed and patented PM-ECB is used ...
Inductance Calculation of Tooth-Coil Permanent-Magnet Synchronous Machines
(IEEE, 2014)
Analytical calculation methods for all the major components
of the synchronous inductance of tooth-coil permanentmagnet
synchronous machines are reevaluated in this paper.
The inductance estimation is different in the ...
Design of a Low-Power Direct-on-Line Synchronous Reluctance Motor Based on the Modified Natural Flux Line Curve Approach
(IEEE, 2021-09-01)
A direct-on-line synchronous reluctance motor (DOLSynRM) with a rotor topology defined by the natural flux line curve approach is studied as an alternative to an induction motor (IM) using a 1.5 kW, 50 Hz synchronous ...
Magneto-Thermal Analysis of an Axial-Flux Permanent-Magnet-Assisted Eddy-Current Brake at High-Temperature Working Conditions
(IEEE, 2020-05-07)
This paper proposes an analytic coupled magneto-thermal analysis of an axial-flux (AF) permanent-magnet-assisted (PMA) eddy-current brake (ECB) at high-temperature working conditions. In the topology investigated, permanent ...
Mitigation of inverter-induced noncirculating bearing currents by introducing grounded electrodes into stator slot openings
(IEEE, 2020-12-23)
Modern converter-supplied AC motors are exposed to bearing currents. Despite extensive research and development, the industry still does not have a final solution with acceptable cost and high efficiency. This paper focuses ...
Measurement Accuracy Requirements for the Efficiency Classification of Converters and Motors
(IEEE, 2019-11-28)
Electrical machines play a major role in the electrical energy consumption in the modern world; therefore, the efficiency of electrical machines has been regulated for a long time by different authorities. Recently, the ...
Experimental Investigation of a 75 kW Induction Motor Drive System Losses and Efficiency
(IEEE, 2019-12-09)
The frequency converter driven IM can be used as a reference for the efficiency level of a drive system. In here, the losses and efficiency of a 75 kW IE3 -rated modern squirrel-cage induction motor are investigated ...
Analytical Evaluation of High-Efficiency Induction Motor Losses
(IEEE, 2019-08-05)
An analytical motor design-based approach is used to evaluate the major loss components of a premium-efficiency (IE3)four-pole squirrel-cage induction machine. In the analytical approach, the geometry of the machine and ...
Mitigating noncirculating bearing currents by a correct stator magnetic circuit and winding design
(IEEE, 2020-04-06)
Different mechanisms by which bearing currents flow inside the electrical machine are well studied. In contrast, investigation and development of different techniques to mitigate these currents remain a field for improvement, ...