Where did they get -120 degrees and -240 degrees? RolStep 2given thatR-2y = 10 +3ja 2x8 = 12+jo₂₁ ZBR = 8 +35_22_V₁ = 440V, f = 50HZW₁mW2YBHere, VRY = 1440L0°VYB = 440-120°VBR = 4401 - 240°2PYZYB223 (b) An unbalanced delta connected load consisting of the phase impedances Zar(10+33) 52, Zva (12+10) 2 and Zax (8+13) 2 is connected to a 3-phase, 440V, 50 Hz supply. Draw the circuit diagram including the implementation ofa 2 wattmeter power measurement.Using the information above:Calculate the 3 load phase currents (JRY. IYB and Jan.).(ii)Draw a scaled phasor diagram indicating all phase and linevoltages and the three load phase currents.Using the scaled phasor diagram or otherwise determine the 3line currents (/. ly and IB).(iii)

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Electrical Engineering

Where did they get -120 degrees and -240 degrees?

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

Chapter8: Symmetrical Components

Section: Chapter Questions

Problem 8.12P: A Y-connected load bank with a three-phase rating of 500 kVA and 2300 V consists of three identical...

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