Drives and controls: Expand VVVF in power electronics. In variable-speed motor drives, the abbreviation VVVF stands for what? Choose the correct expansion.

Q: Drives and controls: Expand VVVF in power electronics. In variable-speed motor drives, the abbreviation VVVF stands for what? Choose the correct expansion.

Given Acronym used in motor drives: VVVF. Concept/Approach VVVF inverters control motor speed/torque by varying the supply voltage and frequency. Final Answer Variable Voltage Variable Frequency.

Difficulty: Easy

Very Very Variable Flux
Variable Voltage Variable Frequency
Variable Vector Voltage Form
Voltage Vector Verification Function

Correct Answer: Variable Voltage Variable Frequency

Explanation:

Given
Acronym used in motor drives: VVVF.

Concept/Approach
VVVF inverters control motor speed/torque by varying the supply voltage and frequency.

Final Answer
Variable Voltage Variable Frequency.

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