A Hybrid Excitation Generator Control Circuit
A technology of generator control and mixed excitation, which is applied to control the direction of the generator through the change of the magnetic field, can solve the problems of the difficulty in adjusting the magnetic field of the permanent magnet motor and the low efficiency of the pure electric excitation motor, so as to simplify the design of the driving power supply, reduce the cost of the circuit, The effect of improving dynamic performance
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[0027] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0028] Such as figure 1 Shown is the block diagram of the control circuit system. It can be seen from the figure that a hybrid excitation generator control circuit includes a three-phase full-bridge rectifier circuit, a sampling circuit, a comparison switch circuit and a bridge-type four-quadrant power amplifier circuit; an external hybrid excitation synchronous generator The output three-phase alternating current is rectified by a three-phase full-bridge rectifier circuit and output to the sampling circuit; the sampling circuit converts the voltage of the DC bus power into a sampling voltage and outputs it to the comparison switch circuit; the comparison switch circuit presets a given voltage 2.3 -2.7V, and after the difference between the given voltage and the sampling voltage is adjusted by PI, it is subtracted from the triangular carrier vol...
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