Three loads are connected in parallel to a 240Z0° V rms of 50 Hz source. Load 1 absorbs 90 kW and 50 kVAR leading, Load 2 absorbs 100 kW at unity power factor, and Load 3 absorbs 60 kVAR at 0.85 lagging power factor. Find : (i) The equivalent impedance. (ii) The sinusoidal current supplied by the source.

Three loads are connected in parallel to a 240Z0° V rms of 50 Hz source. Load 1 absorbs 90 kW and 50 kVAR leading, Load 2 absorbs 100 kW at unity power factor, and Load 3 absorbs 60 kVAR at 0.85 lagging power factor. Find : (i) The equivalent impedance. (ii) The sinusoidal current supplied by the source.

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...

See similar textbooks

Similar questions

Two loads are connected in parallel to a 1000 v(rms) 60Hz source. One of the loads has an average power of 500 kW and a forward power factor of 0.9. Since the other load absorbs 400kw and 600kvar power a) Draw the equivalent circuit of the system b) Find the common power factor of the system c) Find the value of the capacitor to be connected parallel to the loads so that the power factor is 0.95 back d) Find and compare the magnitude of the current drawn from the .source for the situations before and after the capacitor is connected
A source delivers 50-kVA to a load with a power factor of 65percent lagging. Find the load’s average and reactive powers.
A load of 240 +j 120 is connected to a source of 240 V with a phase angle of 300, through a transmission line with an inductive reactance of 60 ohms. A Capacitor bank of a capacitive reactance of 120 ohms is connected in parallel to the load. The power factor at the load is: O A. 0.447 lagging O B. 0.707 leading O C. 0.447 leading O D. 0.707 lagging O E. None of choices are correct
Two load connected in parallel supplied by 480-V. The first load absorbs 2kVA at 0.5 lagging power factor and the other load absorbs 4kVA at 0.6 leading power factor. Find the total impedance and the rms source current
A source is connected to two loads impedance Z, and Zz in parallel. Choose the correct statement(s): Select one: a. The total average power delivered by the source is the sum of the apparent powers dissipated by Z, and Z2 O b. The total apparent power delivered by the source is the sum of the apparent powers dissipated by Z1 and Z O c. None of these O d. The total average power delivered by the source is the sum of the real powers dissipated by Z, and Z2
Two loads are connected in parallel to a 1000 v(rms) 60Hz source. One of the loads has an average power of 500 kW and a forward power factor of 0.9. Since the other load absorbs 400kw and 600kvar power a) Draw the equivalent circuit of the system b) Find the common power factor of the system c) Find the value of the capacitor to be connected parallel to the loads so that the power factor is 0.95 back d) Find and compare the magnitude of the current drawn from the .source for the situations before and after the capacitor is connected not: Please solve this question in detail, in a way that I can understand
A load is supplied by a 230 V, 50 Hz source. The active power P and the reactive power Q consumed by the load are such that 1 kW SPS2 kW and 1 KVAR SQS2 KVAR. A capacitor connected across the load for power factor correction generates 1 KVAR reactive power. The worst case power factor after power factor connection is Options: 1. 0.447 lag 2. 0.707 lag 3. 0.894 lag 4.1
An impedance coil, in series with a resistor takes a current of 3A when connected to a 120V AC source. Using a voltmeter, the voltage across the coil was found out equal to 90V and that across the resistor equal to 30V. Find the power factor of the impedance coil only. The frequency is 60 Hz
Find the sinusoidal and the rms phaser expression Vs = 120 sin (377t+0 degrees)
Letters D E F need answer
To improve a lagging power factor: a the apparent power from the source is increased. the reactive power from the source is increased. C a capacitor is placed in parallel with the load. C) the source current is increased.