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Control scheme of inverter air conditioner compressor

The iMotion series is a control platform product launched by Infineon for the motor drive market. It has a built-in patented motion control engine (MCE), which implements a complex sensorless PMSM control algorithm in hardware, which can save software programming during development.

This solution uses iMotion series products, which can control 1 PFC + 1 inverter compressor. Through PWM and FOC control methods, the DC inverter compressor is started and operated, and finally the air conditioner is reliable under various working conditions. Starting and running, this technology is applied to DC inverter air conditioners, which greatly improves the operating efficiency and reliability of air conditioners. The design is simple and the product verification time is short. It can be quickly introduced to the market. .


Features


            Closed loop FOC compressor control

            Sensorless technology

          ●  Power factor> 0.9

          ●  Single chip to realize PFC + compressor drive

          ●  Built-in high-speed op amp for current sampling

          ●  Built-in comparator for over-current protection

          ●  Motor drive and PFC control bottom part zero programming

          ●  No need to change the program to match the motor

          ●  Short development cycle      





typical application

         

        ●  Inverter air conditioner drive

        ●  Integrated board of inverter air conditioner

        ●  Frequency conversion appliances requiring PFC function

        ●  Other products that require 1 PFC + 1 motor drive