A balanced positive-sequence wye-connected 60-Hz three-phase source has line-to-line voltages of 400 Vrms. This source is connected to a balanced wye-connected load. Each phase of the load consists of a 0.2 H inductance in series with a 100 2 resistance: (assume that the phase of Van is zero) a) Find the line-to-neutral voltage phasors b) Find the line-to-line voltage phasors the reactive power, and the apparent power

A balanced positive-sequence wye-connected 60-Hz three-phase source has line-to-line voltages of 400 Vrms. This source is connected to a balanced wye-connected load. Each phase of the load consists of a 0.2 H inductance in series with a 100 2 resistance: (assume that the phase of Van is zero) a) Find the line-to-neutral voltage phasors b) Find the line-to-line voltage phasors the reactive power, and the apparent power

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 2.42P: A balanced -connected impedance load with (12+j9) per phase is supplied by a balanced three-phase...

See similar textbooks

Similar questions

A balanced -connected impedance load with (12+j9) per phase is supplied by a balanced three-phase 60-Hz,208-V source, (a) Calculate the line current, the total real and reactive power absorbed by the load, the load power factor, and the apparent load power, (b) Sketch a phasor diagram showing the line currents, the line-to-line source voltages, and the -load currents. Use Vab as the reference.
Consider a load impedance of Z=jwL connected to a voltage and V let the current drawn be I. (a) Develop an expression for the reactive power Q in terms of ,L, and I, from complex power considerations. (b) Let the instantaneous current be i(t)=2Icos(t+). Obtain an expression for the instantaneous power p(t) into L, and then express it in terms of Q. (c) Comment on the average real power P supplied to the inductor and the instantaneous power supplied.
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
circuits A balanced 3-phase Y-connected source has using positive phase sequence, ?an = 390∠30˚ ?. Find the complex expression of voltage Eab.
Find the equivalent resistance per phase for the following three-phase load-balanced arrangements, express your responses as a function of the impedances, ?1, ?2, ??1 and ??1. Remember to add j and –j to the reactances, as appropriate.
A balanced 3-phase Y-connected source has using positive phase sequence, ?an = 390∠30˚ ?. Find the complex expression of voltage Eab.
A balanced 3-phase Y-connected source has using positive phase sequence, ?an = 390∠30˚ ?. Find the complex expression of voltage Eab. Circuits Problem 1
The three-phase balanced load system shown in the figure will be analyzed in a continuous sinusoidal state.a) Find the total active and reactive power consumed in the load, with vR (t) = Cost Volt, Z∆ = α + βj,Find the phasor values of Ir, Is and It line currents.b) C capacities are connected to the circuit in order to provide compensation, C capacityCalculate what the value should be. α=3, β=8
A 480V single phase load has resistance of 70 ohms and inductive reactance of -j45 ohms. Find the real power, the apparent power, and the power factor consumed by the load.
A balanced positive-sequence wye-connected 60-Hz three-phase source has line-to-line voltages of VL = 440 V rms. This source is connected to a balanced wye-connected load. Each phase of the load consists of a 0.5-H inductance in series with a 30-Ω resistance. Assume that the phase of VanVan is zero. FIND Ia,Ib,Ic, Find the power delivered to the load And Find the reactive power delivered to the load.
Having a phase impedance of 23.7 + j17.1 Ω at 50 Hz given in Figure Δ-connected load, Y-joint source resulting in 400 V and 50 Hz with impedance 0.1 + j0.3 Ω on each line fed by. According to this, a) Find the line flow and load voltage. b) Find the load-arm currents. c) There are active and protective forces produced by the source.
EE A balanced 3-phase Y-connected source has using positive phase sequence, ?௔௡ = 390∠30˚ ?. Find the complex expression of voltage Eab.