Frequency converter control system of crown block bogie

The utility model relates to a frequency converter control system of a crown block bogie, and belongs to the technical field of automatic control of a crown block. According to the technical scheme, the frequency converter control system comprises a controller (1), a motor (2) and a frequency converter (3), wherein an output of the controller is connected to the frequency converter; an output of the frequency converter is connected to the motor; and a Schneider ATV71 series frequency converter is used as the frequency converter, and provided with a direct-current braking module (4), a spacing limit module (5), a zero-position starting module (6) and a vector speed regulating module (7) therein. The frequency converter control system of the crown block bogie has the positive effects that the system has the characteristics of being high in speed, effective, easy to popularize, energy-saving, consumption-reducing, low in maintenance cost and the like; the functions of fiber control, zero position starting, direc