Electrician Red Seal · Question
A large industrial facility is incurring penalties from its utility provider for a low industrial power factor. The facility primarily uses induction motors without power factor correction. What type of load is predominantly responsible for this low power factor?
Induction motors are highly inductive loads, meaning they draw significant reactive power (VARs) from the supply to establish their magnetic fields. This reacti
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Question: A large industrial facility is incurring penalties from its utility provider for a low industrial power factor. The facility primarily uses induction motors without power factor correction. What type of load is predominantly responsible for this low power factor?
Answer options:
- Resistive
- Capacitive ✅ Inductive
- Reactive
Correct answer: Inductive
Explanation: Induction motors are highly inductive loads, meaning they draw significant reactive power (VARs) from the supply to establish their magnetic fields. This reactive power does no useful work but contributes to the total current, lowering the power factor. Resistive loads like heaters have unity power factor, and capacitive loads increase leading power factor.
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