Answer / Tanu Pal

v/f control (voltage/frequency) is a method used in AC Variable Frequency Drives (VFDs) to control the speed of an AC motor by varying both voltage and frequency proportionally. Sensorless Control refers to techniques that don't require sensors like Hall Effect or encoders to estimate the rotor position and speed inside the VFD. These methods use mathematical algorithms to calculate the rotor position based on electrical parameters, resulting in a more cost-effective solution. Sensored control uses external sensors to measure the motor's rotor position and speed, providing more accurate control but at the expense of additional hardware.

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