d) Determine the phasors VL, VR and Vc. b) Determine the voltage v(t) and current i(t) sinusoidal forms. Sketch one cycle ofthe waveforms in the same x-axis. Clearly indicating the peak value and theperiod of each waveform and the phase difference (in milliseconds) between thetwo waveforms.c) Determine the values of resistance R and inductance L.d) Determine the phasors V₁, VR and Vc.e) Sketch the phasor diagram showing VS, VR, VR, Vc and I.LmĪ= 100-20⁰ mAV₁ = = 120230° Vf = 60 HzVLFigure 1.C35μFVcVRwwwR

Answered: Image /qna-images/answer/a4bd5d44-8926-4610-9177-39fa4d6eb18e.jpg

Answered: d) Determine the phasors V₁, VR and Vc.

Engineering

Electrical Engineering

d) Determine the phasors V₁, VR and Vc.

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 2.1MCQ: The rms value of v(t)=Vmaxcos(t+) is given by a. Vmax b. Vmax/2 c. 2Vmax d. 2Vmax

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Concept explainers

Fault Analysis

In an electrical engineering system, a fault is an abnormal electric current flowing through the system, and fault analysis is the study of these faults. For instance, a short-circuit is a fault where the live wire touches the ground or neutral wire. If a circuit is interrupted by a failure of a current-carrying wire then an open circuit fault occurs. The open-circuit faults are also called series faults. One or more phases or ground may be involved in a three-phase fault or may occur only between two phases. Current flows into the earth in case of a ground fault or earth fault. For most situations, the prospective short circuit current of a fault that is predictable can be calculated. To limit the loss of service because of a failure, the protective devices can detect fault conditions and operate circuit breakers and also other devices. All phases equally can be affected in a poly-phase system which is known as symmetric electrical fault. The asymmetric fault becomes more complicated to analyze if only some phases are affected. By using methods such as symmetrical components, the power system analysis of these types of faults is often simplified. The main objective of power system protection is to design, detect, and interrupt power system faults.

Question

d) Determine the phasors VL, VR and Vc.

b) Determine the voltage v(t) and current i(t) sinusoidal forms. Sketch one cycle of
the waveforms in the same x-axis. Clearly indicating the peak value and the
period of each waveform and the phase difference (in milliseconds) between the
two waveforms.
c) Determine the values of resistance R and inductance L.
d) Determine the phasors V₁, VR and Vc.
e) Sketch the phasor diagram showing VS, VR, VR, Vc and I.
L
m
Ī= 100-20⁰ mA
V₁ = = 120230° V
f = 60 Hz
VL
Figure 1.
C
35μF
Vc
VR
www
R

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