Vrms and is connected to the load shown below through three equal transmission lines + 2j impedance each. Calculate the resulting line currents and net complex power that be delivered to the load. 18 2 j6 N 18 2 18 2

Vrms and is connected to the load shown below through three equal transmission lines + 2j impedance each. Calculate the resulting line currents and net complex power that be delivered to the load. 18 2 j6 N 18 2 18 2

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...

See similar textbooks

Similar questions

Consider a three-phase Y-connected source feeding a balanced- load. The phasor sum of the line currents as well as the neutral current are always zero. (a) True (b) False
Two balanced Y-connected loads, one drawing 10 kW at 0.8 power factor lagging and the other IS kW at 0.9 power factor leading, are connected in parallel and supplied by a balanced three-phase Y-connected, 480-V source. (a) Determine the source current. (b) If the load neutrals are connected to the source neutral by a zero-ohm neutral wire through an ammeter, what will the ammeter read?
The three-phase source line-to-neutral voltages are given by Ean=100,Ebh=10+240, and Ecn=10240volts. Is the source balanced? (a) Yes (b) No
Two delta connected loads are connected in parallel and powered by a balanced Y-connectedsource. The smaller of two loads draws 10 kVA at a lagging power factor of 0.75 and the largerdraws 25 kVA at a leading power factor of 0.8. The line voltage is 400 V. Calculate a) The powerfactor at which the source is operating. b) The total power drawn by the two loads. c) The phasecurrent of each load.
q1 B g6= 9 g7 = 8
Circuit theory I just want the final answer, I don't need the solution steps. I want the solution in less than 30 minutes, please The question is : Q.1) A Y-connected balanced three-phase generator with an impedance of Zs =0.4+j0.3 ohm per phase is connected to a Y-connected balanced load with an impedance of ZL=19+j48 ohm per phase. The line joining the generator and the load has an impedance of Zl=0.6+j0.7 ohm per phase. Assuming a positive sequence for the source voltages and that amplitude of |Van|=204 and its phase angle 30 degree Find: (a) amplitude of the line voltage Vbc, (b) amplitude of the line current Ic, (c) the complex power at the balanced three-phase load. a. (a) Vb=353.34 V, (b) Ic=3.85 A, (c) S = 89641.40 + j 1110.11 VA b. (a) Vb=288.50 V, (b) Ic=2.23 A, (c) S = 14940.23 + j 320.46 VA c. (a) Vb=353.34 V, (b) Ic=3.85 A, (c) S = 846.88 + j 2139.49 VA d. (a) Vb=353.34 V, (b) Ic=5.78 A, (c) S = 44820.70 + j 832.58 VA e. (a) Vb=353.34 V, (b)…
A three-phase A-connected generator has an inter- nal impedance of 0.6 + j4.8 N/4. When the load is removed from the generator, the magnitude of the terminal voltage is 34,500 V. The generator feeds a A-connected load through a transmission line with an impedance of 0.8 + j6.4 N/þ. The per-phase impedance of the load is 2877 – j864 N. a) Construct a single-phase equivalent circuit. b) Calculate the magnitude of the line current. c) Calculate the magnitude of the line voltage at the terminals of the load. d) Calculate the magnitude of the line voltage at the terminals of the source. e) Calculate the magnitude of the phase current in the load. f) Calculate the magnitude of the phase current in the source.
20) Two AC generators A and B are in Parallel. Each generator has an emf of 1000V per phase and in phase, the phase impedance are ZA = 0.1+j2 ohms, ZB = 0.2+j3.2 ohms respectively. If the common load has an impedance of (2+j1) ohms per phase, solve the voltage per phase at the load
Two balanced Y-connected loads in parallel, one drawing 15 kW at 0.6 power factor lagging andthe other drawing 10 kVA at 0.8 power factor leading, are supplied by a balanced, three-phase,480-volt source.a. Draw the power triangle for each load and for the combined load.b. Determine the power factor of the combined load and state whether lagging or leading.c. Determine the magnitude of the line current from the source.
In the transmission system shown in the figure above, the rated kVA of transformer 1, T1, is 1000 kVA and the rated kVA of transformer 2, T2, is 500 kVA. Transformers pu impedances are given on their rated powers. What is the real power in kWatts supplied to the load?
A three-phase A-connected generator has an inter- nal impedance of 9 + j90 m2/þ. When the load is removed from the generator, the magnitude of the terminal voltage is 13,800 V. The generator feeds a A-connected load through a transmission line with an impedance of 20 + j180 m2/þ. The per-phase impedance of the load is 7.056 + j3.417 N. a) Construct a single-phase equivalent circuit. b) Calculate the magnitude of the line current. c) Calculate the magnitude of the line voltage at the terminals of the load. d) Calculate the magnitude of the line voltage at the terminals of the source.
The following three-phase circuit is symmetrical, with line voltage 220 V, 60 Hz, direct phase sequence, isolated neutral and the value of the impedances of the loads in the three phases are: Zan = 10 ohms Zbn = -10j ohm Zcn = -10j Ohm Find:a) Phase voltages on the load;b) Line and phase currents;c) The power supplied to the load. Consider the phase voltage in the reference(Va voltage angle equal to 0)