A fast solution method for the optimal operating point of permanent magnet motor
A technology of permanent magnet motor and permanent magnet synchronous motor, which is used in motor control, electrical components, model/simulation of control purposes, etc., can solve the problems of slow speed and long consumption time, and achieve accurate simulation results, fast automatic calculation and The effect of analysis
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[0036] Based on the above conclusions, the implementation method of this method is as follows:
[0037] The goal of this method is to quickly obtain the data of the optimal working point of the motor: speed, torque, current amplitude, and current initial phase angle given the speed and torque requirements of the internal permanent magnet motor.
[0038] The method of finding an optimal operating point of the motor is as follows:
[0039] Without considering the limitation of the back EMF amplitude, given a specific current value, search for an effective angle interval according to a certain step size, determine the initial phase angle of the maximum output torque under this current value, and record the motor speed at this time , output torque, current amplitude and current initial phase angle.
[0040] In fact, through research, it can be found that in the current initial phase angle angle interval, the torque value is a parabola that protrudes upwards, so a reference angle ...
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