What does V/f mode mean?

When the frequency decreases, the voltage V also decreases proportionally. This issue has been explained in answer 4. The proportional relationship between V and f is predetermined considering the motor characteristics, and several characteristics are usually stored in the controller's storage device (ROM), which can be selected using a switch or a dial.

When the voltage (V) and frequency (f) are changed proportionally, how does the torque of the motor change?

When using a variable frequency drive (VFD), how are the starting current and starting torque of the motor?

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What does V/f mode mean?

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