0 (CLO 2-C4) A 3-phase ring main ABCD fed at A at 11 kV supplies balanced loads of 50 A at 0.8 p.f. lagging at B, 120 A at unity p.f. at C and 70 A at 0-866 lagging at D, the load currents being referred to the supply voltage A. The impedances of the various sections are shown in Figure -01. Analyze the currents in various sections as compared to each other and station bus-bar voltages at B, C ana D. 1 11 kV Supply A was p B 1+106 D 3+12 70 A OA + (8 lag 0 866 lag 1.2+10.9 0.8+j05 C 12) A Unit/ p.f. Fig-01

0 (CLO 2-C4) A 3-phase ring main ABCD fed at A at 11 kV supplies balanced loads of 50 A at 0.8 p.f. lagging at B, 120 A at unity p.f. at C and 70 A at 0-866 lagging at D, the load currents being referred to the supply voltage A. The impedances of the various sections are shown in Figure -01. Analyze the currents in various sections as compared to each other and station bus-bar voltages at B, C ana D. 1 11 kV Supply A was p B 1+106 D 3+12 70 A OA + (8 lag 0 866 lag 1.2+10.9 0.8+j05 C 12) A Unit/ p.f. Fig-01

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.45P: Two balanced Y-connected loads, one drawing 10 kW at 0.8 power factor lagging and the other IS kW at...

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