(b) A star-connected three-phase load absorb 3000 W with power factor 0.433 lagging has a resistance series with an inductance in each branch. It is connected to the 400Vrms (line voltage), 4-wire, 50 Hz, 3-phase supply with the phase sequence is ABC and phase-A as reference has angle 10. (i) Sketch the circuit diagram of the system. (ii) Calculate the phase voltages of cach loads. (iii) Calculate the phase currents that flow into each load.

(b) A star-connected three-phase load absorb 3000 W with power factor 0.433 lagging has a resistance series with an inductance in each branch. It is connected to the 400Vrms (line voltage), 4-wire, 50 Hz, 3-phase supply with the phase sequence is ABC and phase-A as reference has angle 10. (i) Sketch the circuit diagram of the system. (ii) Calculate the phase voltages of cach loads. (iii) Calculate the phase currents that flow into each load.

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 2.51P: A three-phase line with an impedance of (0.2+j1.0)/ phase feeds three balanced three-phase loads...

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