What does VVVF stand for?

Variant Voltage Vile Frequency
Variable Velocity Variable Fun
Very Very Vicious Frequency
Variable Voltage Variable Frequency

The correct answer is D. Variable Voltage Variable Frequency.

VVVF is a type of motor control system that uses variable voltage and variable frequency to control the speed of a motor. This type of control system is often used in electric vehicles, elevators, and other applications where precise speed control is required.

Option A is incorrect because “Variant Voltage Vile Frequency” is not a valid acronym.

Option B is incorrect because “Variable Velocity Variable Fun” is not a valid acronym.

Option C is incorrect because “Very Very Vicious Frequency” is not a valid acronym.