Abstract
This paper describes the design of a single-phase high-speed flux reversal motor (FRM) for use in a domestic application (vacuum cleaner). This machine has a simple and reliable rotor structure, which is a significant advantage for high-speed applications. An FRM design in which the inner stator surface is entirely used allows it to decrease its volume and increase its efficiency. The mathematical modeling, based on the finite element method, and the optimal design of the high-speed single-phase FRM are described. The criterion of optimization and the selection of a proper optimization algorithm are discussed. Since the finite element method introduces a small but quasi-random error due to round-off accumulation and choosing the mesh, etc., the Nelder-Mead method, not requiring the derivatives calculation, was chosen for the optimization. The target parameter of the optimization is built for the motor efficiency when operating at different loads. Calculations show that the presented approach provides increasing motor efficiency during the optimization, particularly at underload.
Highlights
An important characteristic of vacuum cleaners (Figure 1a) and air blowers (Figure 1b) is the suction power, which directly depends on the power of the applied electric motor [1]
Given the advantages noted above in high-speed applications where a large starting torque is not required, the use of a single-phase flux reversal motor (FRM) is a good not required, the use of a single-phase FRM is a good alternative to the SRM and synchronous motors with permanent magnets (PM) on the rotor
This paper describes the design of a high-speed single-phase flux reversal motor for vacuum cleaners
Summary
An important characteristic of vacuum cleaners (Figure 1a) and air blowers (Figure 1b) is the suction power, which directly depends on the power of the applied electric motor [1]. Are the following: The main advantages of the FRM over three-phase and single-phase synchronous motors having permanentmagnets magnets(PM). Given the advantages noted above in high-speed applications where a large starting torque is not required (vacuum cleaners, hand dryers, blowers, etc.), the use of a single-phase FRM is a good not required (vacuum cleaners, hand dryers, blowers, etc.), the use of a single-phase FRM is a good alternative to the SRM and synchronous motors with PMs on the rotor. This machine has two stator teeth with two magnetic poles known configuration of the single-phase FRM This machine has two stator teeth with two magnetic on each, and three rotor teeth (Figure 3a). A similar high-speed FRM for vacuum cleaners is described poles on each, and three rotor teeth (Figure 3a). The iterating procedure followed to converge the model with the mode at a given power is described
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