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What are the disadvantages of low power factor?

September 15, 2017 by

DWQA Questions › Category: Basic of Electrical Engineering › What are the disadvantages of low power factor?
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admin Staff asked 3 years ago



Question Tags: Disadvantages of low power factor
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admin Staff answered 3 years ago

Disadvantages of low power factor:
• Line losses are 1.57 times unity power factor.
• Larger size kVA rating generators, transformers and equipments are required.
• Low lagging power factor causes a large voltage drop, hence extra regulation equipment is required to keep voltage drop within prescribed limits.
• Greater conductor size: To transmit or distribute a fixed amount of power at fixed voltage, the conductors will have to carry more current at low power factor. This requires a large conductor size.

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