1-X 2-X X-2 E-X -4, X-3 DH X4 H-4 H-Z H3 X-4 1-X [-I E-1 1-3 1-2 1-L (H EH H4

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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The image depicts two circuit diagrams:

**Top Diagram: Three-Phase Transformer Connection (Delta-Wye):**

- **Primary Side (Delta Connection):**
  - The primary winding is connected in a Delta configuration.
  - Terminals are labeled X1, X2, X3, and X4.
  - Current paths are labeled I-X, with each section corresponding to one of the lines in the Delta connection.

- **Secondary Side (Wye Connection):**
  - The secondary winding is connected in a Wye configuration.
  - Terminals are labeled H1, H2, H3, H4.
  - Includes earth ground symbol connecting the central point.
  - Current paths are labeled I-1 through I-3.

**Bottom Diagram: Three-Phase Transformer Connection (Delta-Delta):**

- Both primary and secondary windings are connected in a Delta configuration.
- Terminals labeled H1, H2, H3, and X1, X2, X3.
- Current paths labeled I-H and I-1 correspond to the loop between respective terminals in the Delta connection.

**Figure 6** is mentioned at the bottom, indicating the figure's reference within a larger context or document.
Transcribed Image Text:The image depicts two circuit diagrams: **Top Diagram: Three-Phase Transformer Connection (Delta-Wye):** - **Primary Side (Delta Connection):** - The primary winding is connected in a Delta configuration. - Terminals are labeled X1, X2, X3, and X4. - Current paths are labeled I-X, with each section corresponding to one of the lines in the Delta connection. - **Secondary Side (Wye Connection):** - The secondary winding is connected in a Wye configuration. - Terminals are labeled H1, H2, H3, H4. - Includes earth ground symbol connecting the central point. - Current paths are labeled I-1 through I-3. **Bottom Diagram: Three-Phase Transformer Connection (Delta-Delta):** - Both primary and secondary windings are connected in a Delta configuration. - Terminals labeled H1, H2, H3, and X1, X2, X3. - Current paths labeled I-H and I-1 correspond to the loop between respective terminals in the Delta connection. **Figure 6** is mentioned at the bottom, indicating the figure's reference within a larger context or document.
### Transformer Configuration Problem

The following is a series of questions designed to test knowledge on a 3-phase transformer configuration. Specific parameters for the transformer are given:

- **E-line on high side**: 480 V
- **Turns ratio**: 2:1 coil
- **Resistance per load**: 10 Ω
- **Efficiency**: 100%

### Questions

**A)** E<sub>volt</sub> on the high side is:
- a) 450V
- b) 240V
- c) 120V
- d) 69.28V

**B)** E<sub>volt</sub> on the low side is:
- a) 480V
- b) 240V
- c) 120V
- d) 69.28V

**C)** E<sub>phase</sub> on the low side is:
- a) 480V
- b) 240V
- c) 120V
- d) 69.28V

**D)** E<sub>resistor</sub> of the load is:
- a) 480V
- b) 240V
- c) 120V
- d) 69.28V

**E)** I<sub>resistor</sub> on the load is:
- a) 2A
- b) 4A
- c) 6.93A
- d) 12A

**F)** I-line on the low side is:
- a) 2A
- b) 4A
- c) 6.93A
- d) 12A

**G)** I-phase on the low side is:
- a) 2A
- b) 4A
- c) 6.93A
- d) 12A

**H)** I<sub>coil</sub> on the low side is:
- a) 2A
- b) 4A
- c) 6.93A
- d) 12A

**I)** I-phase on the high side is:
- a) 1A
- b) 1.73A
- c) 2A
- d) 4A

**J)** I-line on the high side is:
- a) 1
Transcribed Image Text:### Transformer Configuration Problem The following is a series of questions designed to test knowledge on a 3-phase transformer configuration. Specific parameters for the transformer are given: - **E-line on high side**: 480 V - **Turns ratio**: 2:1 coil - **Resistance per load**: 10 Ω - **Efficiency**: 100% ### Questions **A)** E<sub>volt</sub> on the high side is: - a) 450V - b) 240V - c) 120V - d) 69.28V **B)** E<sub>volt</sub> on the low side is: - a) 480V - b) 240V - c) 120V - d) 69.28V **C)** E<sub>phase</sub> on the low side is: - a) 480V - b) 240V - c) 120V - d) 69.28V **D)** E<sub>resistor</sub> of the load is: - a) 480V - b) 240V - c) 120V - d) 69.28V **E)** I<sub>resistor</sub> on the load is: - a) 2A - b) 4A - c) 6.93A - d) 12A **F)** I-line on the low side is: - a) 2A - b) 4A - c) 6.93A - d) 12A **G)** I-phase on the low side is: - a) 2A - b) 4A - c) 6.93A - d) 12A **H)** I<sub>coil</sub> on the low side is: - a) 2A - b) 4A - c) 6.93A - d) 12A **I)** I-phase on the high side is: - a) 1A - b) 1.73A - c) 2A - d) 4A **J)** I-line on the high side is: - a) 1
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