Frequency converter control system special for common direct current bus independent inversion elevator

• Main Authors: ZHU DANYANG, TANG SHAOFANG, JIANG CHAO, QUAN TINGLI, YAN MIN
• Format: Patent
• Language: Chinese; English
• Published: 10.05.2024
• Subjects: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; ELEVATORS; ESCALATORS OR MOVING WALKWAYS; GENERATION; HAULING; HOISTING; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

The utility model discloses a common direct current bus independent inversion elevator special frequency converter control system, the control system comprises a frequency converter, the frequency converter comprises an input rectification unit, a filtering unit, a direct current bus, an output inversion unit, a driving board, a business main controller and a motor encoder interface, the input rectification unit is electrically connected with the filtering unit, and the direct current bus is electrically connected with the motor encoder interface; the direct current bus is electrically connected with the filtering unit and the output inversion units respectively, the driving board is connected with the service main controller, the output inversion units and the motor encoder interface respectively, and each output inversion unit is electrically connected with a corresponding driving motor or a door motor; a plurality of motor encoders, wherein each motor encoder is connected with the driving board through a c