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AC test Questions with 100% Correct Answers | Verified | Latest Update

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AC test Questions with 100% Correct Answers | Verified | Latest Update understand the placement of KVA KVAR and KW on the power triangle. A 100-horsepower, 3-phase, 2,400-volt motor operates at 75% power factor. Calculate the phase angles at 75% PF and 93% PF, and the capacitive VARs (CVARs) needed to correct the power factor to 93%

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AC test Questions with 100% Correct Answers | Verified | Latest Update
understand the placement of KVA KVAR and KW on the power triangle.




A 100-horsepower, 3-phase, 2,400-volt motor operates at 75% power factor. Calculate the phase angles
at 75% PF and 93% PF, and the capacitive VARs (CVARs) needed to correct the power factor to 93%.

Angle θ@75% = 41.4

Angle θ@93% = 21.6

CVAR@93% = 36.307




A 100 HP, 3φ, 2400 volt motor operates at 75% power factor. Calculate the phase angles at 75% PF, 100%
PF and the capacitive VARs (CVARs) needed to correct the power factor to 100%.

Angle θ@75% = 41.41

Angle θ@100% = 0

CVAR@100% = 65.79
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