7-d.e.f. B) 80 percent power factor?a) 487.5 kW- b) 780 kWc) 975 kWd) none of the aboveC) 50 percent power factor?a) 487.5 kWb) 780 kWc) 975 kWd) none of the aboveD-F.If the voltage rating is 2400 V, what is the current rating at each power factor?D) unity power factora) 234.55 Ab) 325 Ac) 406.25 Ad) none of the aboveE) 80 percent power factora) 234.55 Ab) 325 Ac) 406.25 Ad) none of the aboveF) 50 percent power factora) 234.55 Ab) 325 Ac) 406.25 Ad) none of the aboveA three-phase 480-V 1200-kVA synchronous generator supplies rated load at a lagging powerfactor of 75 percent. If the efficiency of the generator is 90 percent, what horsepower is the primemover delivering to the generator?8.a) 1201 hpb) 1340 hpc) 1787 hpd) none of the above B) Currenta) 83.34 Ab) 144.34 Ac) 250 Ad) none of the aboveC) kVAa) 600 kVAb) 1039.23 kVAc) 1257 kVAd) none of the aboveA) Find the regulation of an AC generator that has a full-load voltage of 2400 V and no-loadvoltage of 3240 V at 80 percent lagging power factor.6.a) 20 %b) 27 %-c) 35 %d) none of the aboveB) Will the percent regulation at unity power factor be larger than, smaller than, or the same as at80 percent lagging power factor?a) largerb) smallerc)d)samenone of the above7.What is the kilowatt rating of a three-phase 975-kVA generator atA) unity power factor?a) 487.5 kWb) 780 kWc) 975 kWnone of the aboved)

Answered: Image /qna-images/answer/f07d4e68-0cd9-4a55-96a5-f117435d4297.jpg

D-F. If the voltage rating is 2400 V, what is the current rating at each power factor? D) unity power factor a) 234.55 A b) 325 A c) 406.25 A d) none of the above E) 80 percent power factor a) 234.55 A b) 325 A c) 406.25 A d) none of the above F) 50 percent power factor a) 234.55 A b) 325 A c) 406.25 A d) none of the above

D-F. If the voltage rating is 2400 V, what is the current rating at each power factor? D) unity power factor a) 234.55 A b) 325 A c) 406.25 A d) none of the above E) 80 percent power factor a) 234.55 A b) 325 A c) 406.25 A d) none of the above F) 50 percent power factor a) 234.55 A b) 325 A c) 406.25 A d) none of the above

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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