A balanced wye-connectedload with a phase impedanceof 5- j8 Q is connected to abalanced three-phasegenerator witha line voltageof 110 V. Determine the linecurrent and the complexpower absorbed by the load.

In this question we will find line currents in star connect system....

Answered: A balanced wye-connected load with a…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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A 425 V, 3-phase star connected alternator supplies a delta-connected load, each phase of which has a resistance of 55 Ohms and inductive reactance 36 Ohms. Calculate (a) the current supplied by the alternator (b) Power Factor of the load and (c) the output power of the alternator. Phase Current Power Factor of the Load Output Power When the two-wattmeter method is used to measure the input power of a balanced load, the readings on the wattmeters are 90 kW and 15 kW, the connections to one of the coils on the meter reading 15 kW having to be reversed. Determine (a) the total input power, and (b) the load power factor. Input Power Power factor
b) A balanced 3 phase Y connected generator with negative sequence has an impedance of 0.3+j0.5 Q/O and an internal voltage of 150 V/ (rms). The generator feeds a balanced 3 phase Y connected load having an impedance of 24+ j35 QD. The impedance of the line connecting the generator to the load is 0.7 + jl.5 QVO. The a-phase internal voltage of the generator is specified as the reference phasor. i. Construct the a-phase equivalent circuit of the system. Calculate the three line currents: IaA, IbB and Ic. ii. iii. Calculate the three phase voltages at the load: VAN, VEN and VCN Calculate the line voltages: VAB, VBC and VCA at the terminals of the load. Calculate the total complex power at the load, Sr. iv. V.
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A balanced 3 phase Y connected generator with negative sequence has an impedance of 0.3+j0.5 QVO and an internal voltage of 150 V/ 0 (rms). The generator feeds a balanced 3 phase Y connected load having an impedance of 24+ j35 QD. The impedance of the line connecting the generator to the load is 0.7 + jl.5 VO. The a-phase internal voltage of the generator is specified as the reference phasor. i. Construct the a-phase equivalent circuit of the system. ii. Calculate the three line currents: lar, Ibs and Iec. Calculate the three phase voltages at the load: Van, Vav and Ven Calculate the line voltages: VAB, VBc and Vca at the terminals of the load. Calculate the total complex power at the load, Sr. ii. iv. V.
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A balanced wye-connected load with a phase impedance of 5- j8 Q is connected to a balanced three-phase generator witha line voltage of 110 V. Determine the line current and the complex power absorbed by the load. *