load of 500 kVA operates on 1100 V, 50 Hz mains with power factor of 0.6 lagging. It is required to improve the factor to 0.95 lagging by using the delta connected capacitor bank. Assuming that the load KVA remains constant, suggest the rating of the capacitors. Also find the additional kW that can be supplied.

load of 500 kVA operates on 1100 V, 50 Hz mains with power factor of 0.6 lagging. It is required to improve the factor to 0.95 lagging by using the delta connected capacitor bank. Assuming that the load KVA remains constant, suggest the rating of the capacitors. Also find the additional kW that can be supplied.

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 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

See similar textbooks

Similar questions

Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor, and a 4 capacitor. (a) Draw the circuit diagram. (b) Compute the series impedance. (C) Determine the current I delivered by the source. Is the current lagging or leading the source voltage? What is the power factor of this circuit?
1. A load of 50 ohms resistance and 0.4 H inductance are connected in series to 100 volts, 60 hz a-c source. What must be the value of the capacitance to be connected in parallel to the circuit to raise the power factor to 0.96 lagging. Draw the circuit diagram.
Calculate the value of capacitance in the following figure that must be connected in parallel with the load to correct the source power factor to 0.94 lagging. The frequency f = 60 Hz
15 A of current is taken by a non-inductive load at 125 V. In order that the same current shall be generated from 240 V, 50 Hz mains. An inductor is now also then connected in series. Note: The resistance of the inductor should be ignored and also assume the waveform to be sinusoidal. Determine the phase difference between the current and the applied voltage, the impedance of the circuit and the inductance of the inductor.
A 3-phase, 50 Hz, 1100 V motor has a total load output of 100 hp and a power factor of 0.78 learning and an efficiency of 85 %. This power factor is corrected to 0.92 by a capacitor bank connected in delta. A capacitance unit is made up of 4 identical 275 V capacitors. So find the capacitance of each capacitor.
If a Load absorbs 10 kVA at a leading power factor of 0.6. Then the complex power is: Select one: a. 6000 - j8000 VA b. 6000 + j8000 VÀ C. -6000 - j8000 VA O d. None of these
A 5-ohm resistor is connected in series with a 25 micro-farad capacitor. A source voltage of 158 volts, 50 Hz supplies the combination. Determine the following: a. Circulating current b. Voltage across the resistor c. Voltage across the capacitor d. Real power supplied by the source e. Reactive power supplied by the source f. Apparent power of the circuit g. Power factor of the entire circuit
6. What is the effect of load inductance on the ripple current? 7. i effect of chonnine Bock and boost 8. Wh 9 What chopping 10. At what duty evcle does the load current rinnle current he
A Star 3Phase source with phase voltage of 400V at 50HZ is connected to a delta connected 3Phase AC Motor. The transmisson line resistance from source to load terminal is 1 Ohm. The internal resistance of each winding of motor is 9 Ohm and the inductance of each coil is 38.2 mH. What is the true power delivered to load? O A) 13099 B) 14999 O C) 15099 O D) None
Please show you detailed solution Number 10 A voltage of 250 volts at 50 Hz is impressed on a circuit having a 60-ohm resistor, 35-?F capacitor, and a 0.25-henry inductor in series. Determine power factor. A. 0.979 C. 0.924 B. 0.862 D. 0.707
In capacitive AC circuit voltage is leading current O a. True O b. False
A resistance of 20 Ω, an inductance of 0.2H and a capacitance of 100μF are connected in series across 220-V 50 Hz mains. Determine the following: a) impedance b) current c) voltage across R, L, and C d) power in watts and VA e) power factor and angle of lag.