The Design of Speed Control System of Capacitor Sorting Machine

Variable Frequency Inverter is a instrument widely applied to AC motor speed control system.This paper introduced the basic principle of the variable frequency inverter,discussed how to choose the variable frequency inverter and attention must be paid to when using it,explained the design of speed control system of the capacitor sorting machine,presented hardware and parameter settings of speed control system consist of variable frequency inverter and tri-phase AC induct motor,also summed up the advantages of variable frequency inverter.