Question: 4 . 1 3 A 7 0 kVAR , 3 4 . 5 kV , solidly grounded capacitor bank, uncharged, is being connected to a

4.13

70

kVAR

, 34.5

,

solidly grounded capacitor bank, uncharged,

is being connected to a similar bank of

10000

kVAR which is already

energized. The inductances between the

(

)

banks is

40

micro H

.

5

ohm

resistor is temporarily inserted in series with the switch to reduce the inrush current. Determine the peak current with and without the resistor, assuming that the closing can occur when the voltage is at its peak.

How much energy will the resistor have to dissipate during such in operation?

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