What is vector control? -Solutions - Huaqiang Electronic Network

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Vector control is a sophisticated method used to regulate the performance of an induction motor by precisely managing its stator current. This technique involves measuring and controlling the vector of the stator current, which allows for the separation of the current into two key components: the excitation current responsible for generating the magnetic field, and the torque current that contributes to mechanical output. By adjusting both the magnitude and phase of these components in real-time, the system can achieve precise control over the motor's torque and efficiency. This approach mimics the behavior of a DC motor, making it highly effective for applications requiring high dynamic performance and accuracy. The core idea behind vector control is based on the principle of field orientation, where the motor's magnetic field is aligned with the stator current vector to optimize operation. This advanced control strategy is widely used in modern industrial and consumer applications, especially in motor drives and automation systems.