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3.12 The following data are obtained when open-circuit and short-circuit tests are performed on a single-phase, 50-kVA, 2400/240-volt, 60-Hz distribu- tion transformer. VOLTAGE CURRENT POWER (volts) (amperes) (watts) Measurements on low-voltage side with high-voltage winding open Measurements on high-voltage side with low-voltage winding shorted 240 4.85 173 52.0 20.8 650

3.12 The following data are obtained when open-circuit and short-circuit tests are performed on a single-phase, 50-kVA, 2400/240-volt, 60-Hz distribu- tion transformer. VOLTAGE CURRENT POWER (volts) (amperes) (watts) Measurements on low-voltage side with high-voltage winding open Measurements on high-voltage side with low-voltage winding shorted 240 4.85 173 52.0 20.8 650

Introductory Circuit Analysis (13th Edition)
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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There are two images, please answer parts a, b, and c and label them.

(a) Neglecting the series impedance, determine the exciting admittance referred to the high-voltage side. (b) Neglecting the exciting admittance, determine the equivalent series impedance referred to the high-voltage side. (c) Assuming equal series impedances for the primary and referred secondary, obtain an equivalent T-circuit referred to the high-voltage side.
Transcribed Image Text:(a) Neglecting the series impedance, determine the exciting admittance referred to the high-voltage side. (b) Neglecting the exciting admittance, determine the equivalent series impedance referred to the high-voltage side. (c) Assuming equal series impedances for the primary and referred secondary, obtain an equivalent T-circuit referred to the high-voltage side.
### Transformer Test Data The following data are obtained from experiments conducted on a single-phase, 50-kVA, 2400/240-volt, 60-Hz distribution transformer. These experiments include open-circuit and short-circuit tests to assess the transformer's performance. | **Measurement Type** | **Voltage (volts)** | **Current (amperes)** | **Power (watts)** | |-------------------------------------------------------------------------|---------------------|-----------------------|-------------------| | Measurements on low-voltage side with high-voltage winding open | 240 | 4.85 | 173 | | Measurements on high-voltage side with low-voltage winding shorted | 52.0 | 20.8 | 650 | ### Explanation - **Open-Circuit Test**: Conducted by measuring on the low-voltage side while the high-voltage winding is open. This test gives rise to measurements at 240 volts, with a current of 4.85 amperes, and power consumption recorded at 173 watts. - **Short-Circuit Test**: Conducted by measuring on the high-voltage side while the low-voltage winding is shorted. The results show a voltage of 52.0 volts, a current of 20.8 amperes, and power usage recorded at 650 watts.
Transcribed Image Text:### Transformer Test Data The following data are obtained from experiments conducted on a single-phase, 50-kVA, 2400/240-volt, 60-Hz distribution transformer. These experiments include open-circuit and short-circuit tests to assess the transformer's performance. | **Measurement Type** | **Voltage (volts)** | **Current (amperes)** | **Power (watts)** | |-------------------------------------------------------------------------|---------------------|-----------------------|-------------------| | Measurements on low-voltage side with high-voltage winding open | 240 | 4.85 | 173 | | Measurements on high-voltage side with low-voltage winding shorted | 52.0 | 20.8 | 650 | ### Explanation - **Open-Circuit Test**: Conducted by measuring on the low-voltage side while the high-voltage winding is open. This test gives rise to measurements at 240 volts, with a current of 4.85 amperes, and power consumption recorded at 173 watts. - **Short-Circuit Test**: Conducted by measuring on the high-voltage side while the low-voltage winding is shorted. The results show a voltage of 52.0 volts, a current of 20.8 amperes, and power usage recorded at 650 watts.
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