Question 2 A machine with a coil having an internal resistance of 32 and an inductance of 0.1 H is supplied by an a.c. source of 240 V, 50 Hz. Figure Q2 shows the equivalent circuit of the machine. + V1 R1 3 Ω Figure Q2 L1 야 0.1 H a) Evaluate the power rating requirement of the machine. [Hint: Power rating is the total amount of power required by a machine to work under normal situation.] b) Evaluate the energy efficiency of the machine. [Hint: Power factor is an expression of energy efficiency.] c) Verify your evaluation in Q2(b) by determining the active and reactive power in the circuit. d) Design a power factor correction circuitry to improve the machine efficiency to at least 90%.
Question 2 A machine with a coil having an internal resistance of 32 and an inductance of 0.1 H is supplied by an a.c. source of 240 V, 50 Hz. Figure Q2 shows the equivalent circuit of the machine. + V1 R1 3 Ω Figure Q2 L1 야 0.1 H a) Evaluate the power rating requirement of the machine. [Hint: Power rating is the total amount of power required by a machine to work under normal situation.] b) Evaluate the energy efficiency of the machine. [Hint: Power factor is an expression of energy efficiency.] c) Verify your evaluation in Q2(b) by determining the active and reactive power in the circuit. d) Design a power factor correction circuitry to improve the machine efficiency to at least 90%.
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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