Line I kV rms B 60 Hz Figure P5.81

Q: Define what we mean by “power-factor correction.” For power-factor correction of an inductive load,…

A: Power factor correction means reducing total reactive power of circuit or load. After power factor…

Q: A 60-Hz 220-V-rms source supplies power to a load consisting of a resistance in series with an…

A: Supply voltage is given as Active power P = 1500 W. Apparent  power S = 2500 VA. Apparent power is…

Q: a) Biefly explain the importance of reactive power in the analysis of power system performance.

A: (a) AC power system has two types of power. Active Power Reactive Power The power which is…

Q: Consider the phasors shown in Figure P5.22. The frequency of each signal is f=200 Hz. Write a…

A: Frequency is given f = 200 Hz. Angular frequency is given by,

Q: Find the RMS line voltage VL at the source of the circuit. As shown the RMS load phase voltage is…

A: Given: A three phase circuit in which Zs=2+j3ΩZph=10-j9ΩVload,rms=100V According to question:…

Q: Two loads, A and B, are connected in parallel across a 1-kV-rms 60-Hz line, as shown in Figure…

A: For load active power is given, Power factor is given, Therefore, apparent power is,  Reactive…

Q: Consider the situation shown in Figure P5.85. A 1000-V-rms source delivers power to a load. The load…

A: (a) When capacitor is not connected, to calculate the RMS value of current we will use the actual…

Q: A 60-Hz 240-V-rms source supplies power to a load consisting of a resistance in series with an…

A: Given data, Frequency f = 60 Hz Voltage V = 240 V Real power P = 1500 W Apparent power S = 2500 VA

Q: In AC power systems, a common way of thinking about reactive power among engineers is in terms of…

A: The capacitor and Inductor is important passive component of electrical energy which is used in…

Q: +espa

A:

Q: For maximum average power transfer in the circuit shown in the figure, set the impedance ZL and ZL…

A: In the circuit, For maximum average power transfer in the circuit shown in the figure, impedance…

Q: Given that a nonzero AC voltage source is applied, what can you say about whether the power,…

A: Lagging power factor is when the current lags behind the voltage. In this case, the circuit is…

Q: The Thévenin equivalent of a two-terminal network is shown in Figure P5.93. The frequency is f=60…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Find the impedance ZL and the value of the maximum average power transferred to ZL for the maximum…

A: 4=Voc1-j1     Voc =4-j4 v

Q: *P5.97. A balanced wye-connected three-phase source has line-to-neutral voltages of 440 V rms. Find…

A: In this question,  A 3 phase star balanced sources is supplied to the 3 phase balanced star load.…

Q: Find the impedance Zl and the value of the maximum average power transferred to Zl for the maximum…

A:

Q: (a) What is leading and lagging power factor? and discuss about the reasons for the low power…

A: A leading power factor signifies that the load current is capacitive in nature whereas a lagging…

Q: A balanced wye-connected three-phase source has line-to-neutral voltages of 240 V rms. Find the rms…

A: Given data, The value of phase rms voltage VPrms = 240 V. The value of resistance R1 = 10 Ω The…

Q: A load is said to have a leading power factor. Is it capacitive or inductive? Is the reactive power…

A: Since power factor is leading that means current leads the voltage and we have the capcitive load…

Q: A 480-V rms source supplies a load that absorbs 100 kW at a 0.7 lagging power factor. A capacitor is…

A: The solution is given below

Q: the RMS value of the current is? /2) the peak value of the voltage is?/3) the value of the reactive…

A:

Q: The circuit shown in Figure Q5.1 consists of a current source connected to a load via a cable. The…

A: Current is given ,   On comparing with standard equation. Taking cos as reference current will be,

Q: Sketch a power triangle for a capacitive load, label the sides, and show the power angle

A:

Q: (a). Write the instantaneous currents across the three circuit elements in terms of Vm amp > angular…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: In power factor correction where a motor load is normally operating with 1000 inductive vars, a…

A: It is mentioned, that in power factor correction when motor loads operate with 1000 inductive VARS…

Q: What are the customary units for real power? For reactive power? For apparent power?

A: Given: To describe the customary units for real power is shown as:

Q: Find the rms value of the current waveform shown in Figure P5.13.

A: Given data: T=4 The expression for the rms value of the current is given as, Irms=1T∫0Ti2tdt

Q: Power Factor (PF) = Cos where o is the angle between Vs and Is Real Power (P) = Vs.Is.CosO where Vs…

A:

Q: Find the value of resistance R and capacitive reactance Xc that will require a reactive power of…

A:

Q: The circuit shown in Figure Q5.1 consists of a current source connected to a load via a cable. The…

A: Given circuit is - Value of current source is -

Q: A capacitor is connected to an AC source, the current is a) leading or lagging? b) by many degrees?…

A: In this question we will write about inductor ans capacitor voltage and current relationship and…

Q: Assuming that a nonzero ac voltage source is applied, what can you say about whether the power and…

A: Draw the circuit diagram for a series connection of the inductor and the capacitor.

Q: summarize about Sinusoidal Steady State Circuit Analysis

A: Steady state indicates absence of transients. This state is achieved after 5 time constants when…

Q: P5.26. Write an expression for the sinusoid shown in Figure P5.26 O of the form v(t) = Vm cos(wt +…

A:

Q: Assuming that a nonzero ac voltage source is applied, what can you say about whether the power and…

A: The series LC circuit is given below,

Q: What do you understand by the term “power factor”? What is its significance? When is the power…

A: Power factor : power factor is the ratio of active to the apparent power  Power factor =…

Q: A current of 10 A rms flows when a single-phasecircuit is placed across a 220-V rms source.…

A: Write the given values in the question.

Q: Figure P5.12

A: Using KVL at positive terminal of op amp Here vn is the voltage at negative terminal

Q: E5.18 A system is shown in Figure E5.18(a). The response to a unit step, when K=1, is shown in…

A: The given system is shown below:  The transfer function of the above system is,…

Q: P5.94. A delta-connected source delivers power to a delta-connected load, as shown in Figure P5.94.…

A:

Q: a-Calculate and draw the load current for the steady-state condition b-Find the RMS values of the…

A: It is given that: Vs=300 Vf=50HzRL=2 ohmL=0.04 H

Q: What is rms value of current (I) and active power delivered by source.

A: Given circuit is - Given values are - V=2×100cos1000tω=1000VRMS=10022∠0oVRMS=100∠0o

Q: What is the average power in ghe single phase ac circuit with the purely resistive load? It is…

A: According to the Ohm’s law:

Q: Given the applied source and network below: a. Determine the sinusoidal expression for the source…

A: The solution can be achieved as follows.

Q: Add the two voltages below together (phasor voltages are RMS). ?ଵ =60 ? ∠ 0° ?ଶ =80 ?∠ 270° a) What…

A: a) The two voltages are            V1 = 60 ∠0°            V2 = 80  ∠270° The resultant Voltage  = V1…

Q: Determine the capacitance value that, when placed in parallel with this load, would produce a unity…

A: Given Voltage V=230 V Frequency f=60 Hz When capacitance is placed in parallel with the load which…

Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.