power factor correction Flashcards

(7 cards)

1
Q

why shouldn’t you correct power factor past 90%

A

it is not economical

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2
Q

what are the 2 common types of power factor correction

A

a capacitor bank, synchronous motor

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3
Q

capacitors are used to correct a power factor because they

A

can store an supply reactive power

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4
Q

3 reasons why we use power factor correction

A

less line current, supply conductors can be reduced, system can handle larger power loads

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5
Q

what is the capacitor bank rated in

A

kilovars or Kvars

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6
Q

when correcting the power factor of a plant the new power factor should be

A

at least 0.85 lagging

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7
Q

a capacitor is connected in parallel with a motor. if the capacitor is disconnected the current of the motor will

A

stay the same

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