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This paper introduces a novel experimental procedure to determine the power losses in variable speed induction motors. In the first part, a two-test procedure is designed to determine each contribution to the power losses in an electric drive, in particular the iron losses. These are identified on models from international standards, as a function of the operating conditions, and compared with standard...
Induction motors (IM) usually operates at low efficiency under light load, which can cause significant energy loss in industry. In addition, the electrical vehicles require for high efficiency drive system. Therefore it is significant to develop a high efficiency control strategy for induction motor which can adapt to load condition for optimal flux finally for optimal efficiency. However, real time...
This paper provides a comprehensive review of different loss minimization algorithms (LMAs) for interior permanent magnet synchronous motor (IPMSM) drives. The modelling of IPMSM incorporating the iron loss is also presented in this paper. The two major loss minimization algorithms such as search-based and loss model-based are compared. The loss minimization techniques using those two algorithms are...
On the base of analyzing the energy saving principle of asynchronous motor by regulating voltage, a scheme to research the energy saving device for asynchronous motor has been determined on the principle of voltage regulating based on fuzzy control algorithm. A hardware system of intelligent energy saving device for an asynchronous motor with single-chip microcomputer AT89C51 has been designed. And...
This paper presents the design of some factors of three phase induction motor to maximize the efficiency using the design of experiments (DOE). The fractional factorial designs are used for the screening six design factors and the response surface methodology (RSM) is applied to get the efficiency-maximized points from the screened four factors. The design is also performed to consider the flux density...
In this paper, a new approach is proposed that minimizes the total copper and iron losses in variable speed and/or thrust force of linear induction motor (LIM) drive. This method is based on a LIM model that considers the end effect and attraction force. For a given speed and load this model allows the establishment of equations to quantify copper and iron losses, and the relationship between stator...
The saturation of mutual and leakage inductances as well as the eddy currents effects are taken into account to represent an almost complete model of the induction motor. These effects are not trivial, when the stator voltage and/or frequency changes considerably. Therefore, the model is suitable for the motor performance studies under nonsinusoidal voltage waveform supplies. The effects of eddy currents...
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