Digitalized alternating-current voltage and speed regulation device
A technology of speed regulation device and AC voltage regulation, which is applied to the deceleration device of AC motor, AC motor control, emergency protection circuit device, etc. Easy to debug effects
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[0069] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to illustrate the technical solutions of the present invention in detail.
[0070] 1. Overall design plan
[0071] 1.1 System function
[0072] Based on the requirements of the current market and on-site use environment, a fully digital voltage and speed control system is developed on the basis of the original analog voltage and speed control system. The basic functions of the system are as follows:
[0073] (1) Digital control can improve the stability of the system and avoid parameter drift caused by zero drift of the amplifier and vibration of the potentiometer.
[0074] (2) It is convenient to debug. You can directly input parameters through the man-machine interface with a PC, or set the parameters through the shortcut keys on the control p...
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