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Normalization-Based Approach to Electric Motor BVR Related Capacitances Computation
(IEEE, 2019-02-11)
Electrical discharge machining bearing currents that may occur within electric machines of variable-speed-drive motor systems have been recognized for a long time. One key influential factor, the machine's capacitive voltage ...
Direct Liquid Cooling Method Verified With a Permanent-Magnet Traction Motor in a Bus
(IEEE, 2019-04-01)
Direct liquid cooling (DLC) of electrical machine windings is a clearly effectual cooling method for high-torque and high-power-density applications needed, especially, in heavy vehicles. Usually, in electric vehicles, the ...
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 ...
Investigation of a Direct Liquid Cooling System in a Permanent Magnet Synchronous Machine
(IEEE, 2019-10-08)
A high demand for electrification of the transport sector has resulted in a need to provide compact and reliable electric power trains where the electric machine is a key element. The cooling system has a strong impact on ...
Power quality estimation of water electrolyzers based on current and voltage measurements
(Elsevier, 2019-12-23)
The ripple of the supplied direct current has a significant effect on the energy efficiency of the water electrolyzer cell. Hydrogen production is defined by the current mean value, but current harmonics generate additional ...