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first pole to clear factor

First Pole to Clear Factor- Calculation & Significance

March 23, 2018 by admin
what is first pole to clear factor

First Pole to Clear Factor of a Circuit Breaker is the ratio of power frequency recovery voltage across the first pole to clear the arc to the normal phase to ground voltage when all the three poles of breaker are open. It is denoted as kpp. If Vcb be the recovery voltage across the first … Read more

Categories Power System Tags first pole to clear factor 3 Comments

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