A kind of control method of permanent magnet synchronous generator for automobile
A synchronous generator and permanent magnet synchronous technology, applied in the direction of motor generator control, electronic commutation motor control, control generator, etc., can solve the problem of reducing the efficiency of program execution
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[0044] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:
[0045] Such as figure 1 and figure 2 As shown, a control method for permanent magnet synchronous generators used in automobiles, by using the prime mover of the automobile to drive the permanent magnet synchronous generator to generate electricity, and stably output a DC voltage of 42V after passing through the PWM rectifier, and supplying power after charging the automobile battery Loading the car is characterized in that it comprises the following steps:
[0046] 1) Collect synchronous generator three-phase stator current i through the signal acquisition module sa i sb i sc , the speed ω of the synchronous generator m , rectifier DC side capacitor voltage u dc ;
[0047] 2), through the DC side reference voltage and rectifier DC side capacitor voltage u dc After making a difference, the active current command is obtained through the o...
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