Mathcad 05-23 - The total three phase power rating is simply three times the individual phase S rated3ph 3 S rated ⋅ = S rated3ph 30kVA = d The

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The transformer is rated 7.2 kV -- 120 V V x 120V = V x V srated = Since the low side is connected delta, the line voltage will be equal to the coil rating of each phase V h 7.2kV = V h V prated = Since the high side is connected delta, the line voltage will be equal to the coil rating of each phase b. H1 H2 X1 X2 Delta-Delta Connection H1 H2 X1 X2 H1 H2 X1 X2 A C B a b c a. Solution S rated 10 kVA = V srated 120 volt = V prated 7200 V = Problem 5-23: kVAR kW kVA kW
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Unformatted text preview: The total three phase power rating is simply three times the individual phase S rated3ph 3 S rated ⋅ = S rated3ph 30kVA = d. The phase ratio is the ratio of the voltage ratings for one of the single-phase transformers that comprise the bank PR V prated V srated = PR 60 = The bank ratio is the ratio of the rated line voltages found in part b: BR V h V x = BR 60 =...
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This note was uploaded on 03/26/2012 for the course ECET 231 taught by Professor Piller during the Spring '12 term at Purdue University-West Lafayette.

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Mathcad 05-23 - The total three phase power rating is simply three times the individual phase S rated3ph 3 S rated ⋅ = S rated3ph 30kVA = d The

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