Power factor and three-phaseQuestion 1165 of 1506

What is the effect of adding too much correction capacitance to an inductive load?

  1. The power factor rises above 1.
  2. The line current falls to zero.
  3. The load gets more true power.
  4. The power factor drops again, now leading.
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Correct answer: The power factor drops again, now leading.

Too much capacitance gives a low power factor just as too much inductance does. Do not over-correct.

Source: Lessons in Electric Circuits II: AC (Kuphaldt), 11.3: Calculating Power Factor

Practice power factor and three-phase

Questions last reviewed: 18 October 2026