variable-frequency drive Urdu Meaning
Object reference not set to an instance of an object.
Object reference not set to an instance of an object.
A variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.

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