Problem 2 For the transformer in Fig. 23.61, if the resistive load is replaced by an inductive reactance of 20 2: a. Determine the total reflected primary impedance. b. Calculate the primary current, Ip. c. Determine the voltage across R. and Xe, and find the reflected load. d. Draw the phasor diagram. 4:1 Xp Ip Rp + 42 V = 120 V 20⁰ 12 Ω ele ele Ideal transformer X, voo 202 R₂ ww 19 + RL: : 12 Ω V

Problem 2 For the transformer in Fig. 23.61, if the resistive load is replaced by an inductive reactance of 20 2: a. Determine the total reflected primary impedance. b. Calculate the primary current, Ip. c. Determine the voltage across R. and Xe, and find the reflected load. d. Draw the phasor diagram. 4:1 Xp Ip Rp + 42 V = 120 V 20⁰ 12 Ω ele ele Ideal transformer X, voo 202 R₂ ww 19 + RL: : 12 Ω V

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter3: Magnetic Starters

Section: Chapter Questions

Problem 30SQ

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