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A. Realize the AC motor to solve the problem, make the operation control DC, and realize the torque control under the speed sensorless control.
B. The above figure shows the four-quadrant operation of the motor under no-speed sensor vector control. The torque, current, speed and DC bus voltage respond quickly and the motor runs stably.
C. The motor achieves a 0.1s acceleration/deceleration command at rated load.
D. Motor forward and reverse When the zero-speed switching occurs, the current has no phase abrupt change and oscillation, and the speed is not pulsating.
E. The bus voltage control is stable, and the deceleration can also provide fast and reliable braking capability under the condition of no energy braking.
In the left control panel, is the keyboard connector, 2 is the expansion card interface, 3 is the cable, the control panel and the driver board are connected; 4 is the main chip, the software version number is attached on the top; 5 is the toggle switch, It is a selection switch for analog input and output; 6 is a terminal start selection switch, and the common terminal is COM or +24V.
In the driver board diagram, 1 is the 24PIN cable, 2 is the temperature sensor socket, the temperature of the sensing module is used to transmit the signal to the control board; 3 is the Hall component for sampling the current signal; 4 is the input terminal, used to Connect the power supply and motor line; 5 is the module range.
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