At light load power factor of induction motors is _______.

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SSC JE Electrical 05 Jun 2024 Shift 3 Official Paper - 1
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  1. 0
  2. 1
  3. 0.8 to 0.9
  4. 0.2 to 0.4

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Option 4 : 0.2 to 0.4
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Power Factor of Induction Motors at Light Load:

  • The power factor of induction motors varies with the load. At light load, induction motors typically exhibit a poor power factor because the motor draws a significant amount of reactive power relative to the real power. This results in a low power factor.
  • At light load, the power factor is generally in the range of 0.2 to 0.4. This is because, at low loads, the magnetizing current (which is reactive) dominates over the real power component.
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