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(d) A resistor has a per-unit value of 5.3. Given the base power is P, = 250KW, and the base voltage is E, =12470V, calculate the ohmic value (actual value) of the resistor. (e) A 4002 resistor carries a current of 604. Given the base value of voltage, E, = 4KV, the base value of power, P, = 500KW, the base value of current, I, =125.4, and the base value of resistor, Z, = 320, calculate the following: i The per-unit resistance. ii. The per-unit current. iii. The per-unit voltage across the resistor. iv. The per-unit power.

(d) A resistor has a per-unit value of 5.3. Given the base power is P, = 250KW, and the base voltage is E, =12470V, calculate the ohmic value (actual value) of the resistor. (e) A 4002 resistor carries a current of 604. Given the base value of voltage, E, = 4KV, the base value of power, P, = 500KW, the base value of current, I, =125.4, and the base value of resistor, Z, = 320, calculate the following: i The per-unit resistance. ii. The per-unit current. iii. The per-unit voltage across the resistor. iv. The per-unit power.

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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Do part (d and e)
Question 3 (a) Briefly explain what is the per-unit system. (b) A resistance of 600 is selected as the base resistance in a circuit consists of three resistors. If R =1000, R = 30002, and R = 202 calculate the per-unit value of each resistance. (c) A power of, P = 25KW and a voltage of, E = 2400V are selected as the base power and base voltage of a power system respectively. Calculate the value of the base impedance, Z, and the base current, I,. (d) A resistor has a per-unit value of 5.3. Given the base power is P, = 250KW, and the base voltage is E, =12470V, calculate the ohmic value (actual value) of the resistor. (e) A 4000 resistor carries a curent of 60.4. Given the base value of voltage, E, = 4KV, the base value of power, P, = 500KW, the base value of current, I, =1254, and the base value of resistor, Z, = 320, calculate the following: i The per-unit resistance. ii. The per-unit current. ii. The per-unit voltage across the resistor. iv. The per-unit power.
Transcribed Image Text:Question 3 (a) Briefly explain what is the per-unit system. (b) A resistance of 600 is selected as the base resistance in a circuit consists of three resistors. If R =1000, R = 30002, and R = 202 calculate the per-unit value of each resistance. (c) A power of, P = 25KW and a voltage of, E = 2400V are selected as the base power and base voltage of a power system respectively. Calculate the value of the base impedance, Z, and the base current, I,. (d) A resistor has a per-unit value of 5.3. Given the base power is P, = 250KW, and the base voltage is E, =12470V, calculate the ohmic value (actual value) of the resistor. (e) A 4000 resistor carries a curent of 60.4. Given the base value of voltage, E, = 4KV, the base value of power, P, = 500KW, the base value of current, I, =1254, and the base value of resistor, Z, = 320, calculate the following: i The per-unit resistance. ii. The per-unit current. ii. The per-unit voltage across the resistor. iv. The per-unit power.
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