Ip2.500.42I,Ep2.5 kn0.4 kaE,500 VÀ208V-125VE,SLThe figure above shows the equivalent circuit of a 500 VA single-phase transformer witha no-load voltage ratio of 208V-125 V. All impedances are referred to the HVprimary.For rated-load load at 120 V and 0.92 pf lagging, calculate) the primary voltage E,(ii) voltage regulation(ii)(iv)(v)(vi)(vii)(viii). Efficiency(bx)(x)magnetizing current (lm)primary current (,)primary apparent power and power factorCore power lossCopper lossThe reactive power losses within the transformerThe primary voltage required to produce rated secondary current when a short circuit isapplied to the LV secondary terminals. Neglect the magnetizing branch current.

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2.50 0.42 Ep 2.5 kn 0.4 ka E, 500 VÀ 208V-125V E. SL The figure above shows the equivalent circuit of a 500 VA single-phase transformer with a no-load voltage ratio of 208V - 125 V. All impedances are referred to the HV primary. For rated-load load at 120 V and 0.92 pf lagging, calculate ) the primary voltage E, (ii) voltage regulation (ii) (iv) (v) (vi) (vii) (vii). Efficiency (ix) (x) magnetizing current (lm) primary current (1,) primary apparent power and power factor Core power loss Copper loss The reactive power losses within the transformer The primary voltage required to produce rated secondary current when a short circuit is applied to the LV secondary terminals. Neglect the magnetizing branch current.

2.50 0.42 Ep 2.5 kn 0.4 ka E, 500 VÀ 208V-125V E. SL The figure above shows the equivalent circuit of a 500 VA single-phase transformer with a no-load voltage ratio of 208V - 125 V. All impedances are referred to the HV primary. For rated-load load at 120 V and 0.92 pf lagging, calculate ) the primary voltage E, (ii) voltage regulation (ii) (iv) (v) (vi) (vii) (vii). Efficiency (ix) (x) magnetizing current (lm) primary current (1,) primary apparent power and power factor Core power loss Copper loss The reactive power losses within the transformer The primary voltage required to produce rated secondary current when a short circuit is applied to the LV secondary terminals. Neglect the magnetizing branch current.

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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