Question: A 3 0 kVA, 4 0 0 / 1 2 0 V , star - delta connected three - phase transformer has the following parameters

A 30 kVA, 400/120V, star-delta connected three-phase transformer has the following parameters for each phase: R1=50m, X1=100m, R2=4, X2=10m. The transformer supplies the load at a power factor of 0.8 at full load.
a) Find the line voltage on the primary side.
b) Find the efficiency.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Electrical Engineering Questions!

Q:

undefined STAR Co. provides paper to smaller companies with volumes that are not large enough to warrant dealing directly with the paper mill. STAR receives 100-feet-wide paper rolls from the mill...

Q:

please help with this excel module, i'm so confused D E E F G H Quarter 1 Forecasted Demand 2500 3500 4800 3300 2 $ 3 4 Total $ Price per unit $185.00 $ Given Parameters Initial Inventory Material...

Q:

STAR Co. provides paper to smaller companies whose volumes are not large enough to warrant dealing directly with the paper mill. STAR receives 100-feet-wide paper rolls from the mill and cuts the...

Q:

STAR Co provides paper to smaller companies with volumes that are not large enough to warrant dealing directly with the paper il STAR receives 100-feet-wide paper rolls from the mil and cuts the...

Q:

STAR Paper Company provides paper to smaller companies whose volumes are not large enough to warrant dealing directly with the paper mill. STAR receives 100-feet- wide paper rolls from the mill and...

Q:

STAR Co provides paper to smaller companies with volumes that are not large enough to warrant dealing directly with the paper mill. STAR receives 100-feet-wide paper rolls from the mill and cuts the...

Q:

STAR Co. provides paper to smaller companies whose volumes are not large enough to warrant dealing directly with the paper mill. STAR receives 100-feet-wide paper rolls from the mill and cuts the...

Q:

STAR Co. provides paper to smaller companies whose volumes are not large enough to warrant dealing directly with the paper mill. STAR receives 100-feet-wide paper rolls from the mill and cuts the...

Q:

STAR Co. provides paper to smaller companies whose volumes are not large enough to warrant dealing directly with the paper mill. STAR receives 100-feet-wide paper rolls from the mill and cuts the...

Q:

STAR Co. provides paper to smaller companies whose volumes are not large enough to warrant dealing directly with the paper mill. STAR receives 100-feet-wide paper rolls from the mill and cuts the...

Q:

1) explain how income taxes are different to other business taxes. Provide examples of applications. 2) Explain the difference between Earnings and Profits (E&P) and taxable income. 3) Describe the...

Q:

Access the data about the salaries (in millions of dollars) of the National Baseball League players, which are available at MyMathLab and at the Pearson Downloadable Student Resources for Math &...

Q:

James Hospital Balance Sheets December 3 1 2 0 2 0 2 0 1 9 Assests Cash $ 7 5 , 0 0 0 . 0 0 $ 5 0 , 0 0 0 . 0 0 Accounts receiveable $ 3 2 , 0 0 0 . 0 0 $ 2 2 , 0 0 0 . 0 0 Net property, plant, and...

Q:

The returns of an asset to be invested have a covariance with the market return of 0.20, and the risk of the asset to be invested is 3%. We also know that the profitability of the 10-year term bonds...