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This paper presents several kinds of Interior Permanent Synchronous Motors (IPM) used for high power density and high speed application. The main permanent magnet arranged forms and pole/slot match manners includes 72 slots 12 poles (72s12p) V-shape and 72 slots 8 poles (72s8p) ▽-shape. In addition, several different 72s8p ▽-shape motor will be discussed in detail. For analyzing the machines under...
This paper presents the numerical analysis and performance optimization of mini-type fractional-slot concentrated windings (FSCW) brushless DC Motors by using voltage source field-circuit coupled finite element method. Several slot/pole combinations, different stator/rotor structures were discussed here. The goal of the research was to improve the performance of this kind of mini-type BLDC motors...
How to reduce cogging torque of servo motor is a difficult problem in the design, manufacture and application process due to the high requirements of positioning accuracy and performance. In this paper, analysis models of different cogging torque are compared based on the theory of the cogging torque, the method to suppress cogging torque in 6-pole 36-slot motors are summarized, the scheme to optimize...
This paper presents the numerical analysis of a vector controlled permanent magnet synchronous motor (PMSM) by using circuit-coupled two-dimensional finite element method. The goal of the research was to estimate the performance of a vector controlled PMSM. In order to analyze the machines under rotating magnetic fields, the voltage source, symmetric boundary and slide boundary are considered. And...
This paper presents the analysis method of a capacitor-run signal-phase induction motor behavior by using circuit-coupled two-dimensional finite element method. In order to analyze the machines accuracy under rotating magnetic fields, the voltage source, run-capacitor and slide boundary are considered. The voltage coupled model included slip boundary and calculation method is presented, and the simulation...
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