For a system with total complex power of 10000 + 7500j VA, nominal voltage of 250 angle 30 deg. and 50HZ system frequency. Vrms. When this system power factor is raised to power factor 0.9 leading. Determine the new current. 44.44 angle 55.84 deg. A 44.44 angle -55.84 deg. A 50 angle -66.87 deg. A 50 angle 66.87 deg. A

For a system with total complex power of 10000 + 7500j VA, nominal voltage of 250 angle 30 deg. and 50HZ system frequency. Vrms. When this system power factor is raised to power factor 0.9 leading. Determine the new current. 44.44 angle 55.84 deg. A 44.44 angle -55.84 deg. A 50 angle -66.87 deg. A 50 angle 66.87 deg. 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...

See similar textbooks

Similar questions

Use the image to answer the 3 part question. A)determine the impedance of the circuit. B)determine the average power provided by the source to the circuit. C) Determine Vr the maximum voltage drop through the resistor and Vc max the maximum voltage drop through the capacitor
An alternating current varying sinusoidally with a frequency of 50 Hz has anrms value of 20 A.a) Determine the instantaneous value at 0.0025 seconds.b) Determine the instantaneous value, 0.0125 seconds after passingthrough a positive maximum value.c) At what time, measured from a positive maximum value, will theinstantaneous current be 14.14 A?
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
The voltage applied to the metal grid of CRO is negative with respect to cathode. Select one: O True O False The sinusoidal current waveform having the maximum value of 30 A. then the R.M.S value is Three coils each having resistance of 29 0 are connected in star across 436 V. 50 Hz supply. Then the total power consumed is O 19665.10 W O 3784.66 W O 755.20 W O 226.05 W
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
2. The pu impedance of a circuit element is 0.15. If the base kV and base MVA are halved. Then the new value of pu impedance of the circuit element is A. 1.2 C. 1.1 3. The pu impedan B. 1.0 B. ambient tempera- ture D. 0.8 E. none
A single phase AC chopper supplies a pure inductive load of 0.02H from 220V, 50HZ AC supply. The triggering angle of the thyristors is 100°. (Assume the circuit is ideal.) a. Sketch the circuit b. Develop the load current expression and find the decay angle of the load current c. Sketch the load voltage and load current waveforms d. Calculate the RMS value of load voltage e. Calculate the RMS value of load current f. If the triggering angle of the thyristors is chosen as 60°. Explain the operation of the circuit.
Find the complex power and power factor for the indicated element(s).( need only handwritten solution .otherwise downvote.)
An ac current is given by 100sin100t. It will achieve a value of 62A for the first time when it reached the time (in msec) of
The peak restriking voltage and time to reach the peak restriking voltage of a circuit breaker are 150 kV and 60 μsec respectively, if the natural frequency of oscilla- tions is 8.33 kHz. Then the average RRRV is (A) 2.5 kV/usec (B) 5 kV/ µsec (C) 9 kV/usec (D) 9 V/sec
1) Determine the total current supplied by the source and the current in each branch. 2) Sketch a fully labelled phasor diagram showing all voltage and currents in the circuit. 3) Determine the active power delivered by the source voltage. 4) Determine the reactive power. 5) Sketch the power triangle. 6) Comment on the significance of the power factor and briefly state how it can be improved.
A harmonic analysis of the current drawn by a CFL yields the following data. Find the rms value of current and the wwwwwwww total harmonic distortion (THD). Harmonics rms Current (A) 1357a 0.15 0.12 0.08 0.03 0.02