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(Solved): PLEASE EXPLAIN STEP BY STEPA 20 hp (1 hp = 745.7 W), 4 pole, 60 Hz, 480 V three-phase induction moto ...



PLEASE EXPLAIN STEP BY STEP

A 20 hp (1 hp = 745.7 W), 4 pole, 60 Hz, 480 V three-phase induction motor has the following parameters R1 = R2'= 0.5 Ω, X1 = X2' = 1.5 Ω, RFe = 600 Ω, Xµ = 40 Ω.

a) Fill in the following table with the ratio of Istart / Ioperation. Use only the magnitudes of the currents and 2 decimal places to present the number.

student submitted image, transcription available below

Use this ecuations to help you:

student submitted image, transcription available below

The following formulas are in SI.

\begin{tabular}{|c|c|c|c|} \cline { 3 - 4 } \multicolumn{1}{c|}{} & \multicolumn{2}{c|}{ In Operation } \\ \cline { 2 - 4 } \multicolumn{1}{c|}{} & Connection & Delta & Star \\ \hline \multirow{3}{*}{ Start } & Delta & & \\ \cline { 2 - 4 } & Star & & \\ \hline \end{tabular}


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   fill in the table with the ratio of Istart / Ioperation, we need to calculate the currents for di...
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