solve for following if the 3-phase transformer configuration in fugure 6 on worksheet 3, has the givens as losted below:E-line on high side =480V, Turns ration=2:1/coil, Resistance =10, Efficiency=100%I-line on the high side is___. A-1A, B-1.73A, C-2A, D-4AVA/phase of the load is____. A- 120VA, B-360VA, C-480VA, D-1440VA3-phase VA on the high side is___. A- 120VA, B-360VA, C-480VA, D-1440VA The image appears to depict two electrical transformer diagrams, each illustrating a different winding configuration. ### Diagram Overview#### Top Diagram- **Components:** - The diagram shows a complex transformer winding setup marked with components labeled X1, X2, X3, T1, T2, and T3. - The windings are styled with zigzag patterns representing coils.- **Connections:** - The windings are connected in a triangular manner. - There is a connection path linking X1-X2-X3 and another set labeled with E1, E2, E3, etc.#### Bottom Diagram- **Components:** - Similar to the top diagram, it shows a transformer winding with components labeled H1, H2, H3, and T1, T2, T3. - The diagram includes multiple coil windings in a triangular connection.- **Connections:** - Windings form a triangular shape, with connectors at points H1, H2, H3. - There are additional labels such as EH, suggesting external connections or additional components.### Diagram ExplanationThese diagrams represent transformer winding layouts. Transformers use such configurations to manage electrical energy between circuits. #### Key Points:- **Triangles in Transformers:** Indicates a delta (Δ) connection used typically for three-phase electrical circuits.- **Labels:** Help in the identification of winding connections and terminal points. - **Zigzag Lines:** Symbolize coil windings, crucial for transforming electrical voltages.### Educational InsightsUnderstanding these diagrams is essential for students studying electrical engineering and physics, as it provides insight into how transformers change electrical voltages in power distribution systems.

Answered: solve for following if the 3-phase…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

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solve for following if the 3-phase transformer configuration in fugure 6 on worksheet 3, has the givens as losted below:

E-line on high side =480V, Turns ration=2:1/coil, Resistance =10, Efficiency=100%

I-line on the high side is___. A-1A, B-1.73A, C-2A, D-4A

VA/phase of the load is____. A- 120VA, B-360VA, C-480VA, D-1440VA

3-phase VA on the high side is___. A- 120VA, B-360VA, C-480VA, D-1440VA

The image appears to depict two electrical transformer diagrams, each illustrating a different winding configuration.

### Diagram Overview

#### Top Diagram

- **Components:**
- The diagram shows a complex transformer winding setup marked with components labeled X1, X2, X3, T1, T2, and T3.
- The windings are styled with zigzag patterns representing coils.

- **Connections:**
- The windings are connected in a triangular manner.
- There is a connection path linking X1-X2-X3 and another set labeled with E1, E2, E3, etc.

#### Bottom Diagram

- **Components:**
- Similar to the top diagram, it shows a transformer winding with components labeled H1, H2, H3, and T1, T2, T3.
- The diagram includes multiple coil windings in a triangular connection.

- **Connections:**
- Windings form a triangular shape, with connectors at points H1, H2, H3.
- There are additional labels such as EH, suggesting external connections or additional components.

### Diagram Explanation

These diagrams represent transformer winding layouts. Transformers use such configurations to manage electrical energy between circuits.

#### Key Points:

- **Triangles in Transformers:** Indicates a delta (Δ) connection used typically for three-phase electrical circuits.
- **Labels:** Help in the identification of winding connections and terminal points.
- **Zigzag Lines:** Symbolize coil windings, crucial for transforming electrical voltages.

### Educational Insights

Understanding these diagrams is essential for students studying electrical engineering and physics, as it provides insight into how transformers change electrical voltages in power distribution systems.

Expert Solution

Step 1

Given:

${(E_{L})}_{H V} = 480 V, n = 2 : 1 per coil, R = 10 Ω, η = 100 % .$

Step 2

The input side or primary is the high voltage side, represented with letter 'H' and the output or secondary is the low voltage side, represented with letter 'X'.
Turns ratio is given on per coil basis, considering it as high to low. The input side coils are connected in series and the output side coils are in parallel. Both sides are connected in delta form.
Input side has two coils in one branch, so the voltage will be equally divided across both. Voltage in each input side or high voltage side is

${(E_{c})}_{H V} = \frac{{(E_{L})}_{H V}}{2} = \frac{480}{2} = 240 V.$

The voltage in each coil at low voltage side is

${(E_{c})}_{L V} = \frac{{(E_{c})}_{H V}}{n} = \frac{240}{2} = 120 V.$

Since both branch coils are connected in parallel, so line or phase voltage at low voltage side is

${(E_{L})}_{L V} = {(E_{c})}_{L V} = 120 V.$

All the load resistors are connected in star. The line or phase current in the load is

${(I_{L})}_{L o a d} = \frac{\frac{{(E_{c})}_{L V}}{\sqrt{3}}}{R} = \frac{\frac{120}{\sqrt{3}}}{10} = 6.92 A.$

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