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  • KE300F Open-loop Permanent Magnet Synchronous Drive

KE300F Open-loop Permanent Magnet Synchronous Drive

With the world-leading sensorless current vector control technology (SVC) for synchronous motor, KE300F can accurately identify the motor parameters, dynamically estimate the rotor speed and pole position, and can easily drive all types of permanent magnet synchronous motors (SPM & IPM). KE300F can be widely used for the synchronous motor driving applications where better speed control and low-frequency torque are required.

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Features of KE300F Open-loop Permanent Magnet Synchronous Drive

  • Leading synchronous motor sensorless vector control (SVC)

With the world-leading sensorless vector control technology (SVC) for synchronous motor, capable of easily driving all types of permanent magnet synchronous motors (SPM & IPM) with no need encoder feedback.

  • Enhanced over-excitation regulation

With enhanced over-excitation regulation, providing fast stop with no need for braking resistor.

  • Non-stop when instantaneous power off

With the capability of non-stop when instantaneous power off, ensuring the system continuously operate without tripping in case of instantaneous power off.

  • Ultra-high speed flux-weakening control

With ultra-high speed flux-weakening control, the max. frequency could be up to 500Hz (SVC), easy for the applications requiring high speed.

  • Excellent design and superb manufacturing process

With large design margin for key components and PCB;


Adopting industry-leading automatic spraying and strict automatic testing standards, making sure more stable and reliable products;

With optimized control algorithms and comprehensive protection functions, making more outstanding performance of the complete product.

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