Constant torque control method for permanent magnet synchronous motor based on position sensor-less vector control

• Main Authors: BIAN WENQING, LAN JINGHAO
• Format: Patent
• Language: Chinese; English
• Published: 22.02.2019
• 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; GENERATION

The invention discloses a constant torque control method for a permanent magnet synchronous motor based on position sensor-less vector control. The method includes the following steps: the motor is started and operated, a target current value iq_A of a q-axis is set to be equal to a current given va...