The alternating sinusoidal current of power frequencies 50 hz, 60 hz is extensively used for producing, transmitting and utilizing electric energy in industry and in the home. Electric circuit analysis is a foundation for all hardware courses taken by students in electrical engineering and allied fields, such as electronics, computer hardware, communications and control systems, and electric power. Solve the problem using circuit techniques nodal analysis, mesh analysis, superposition, etc. Lecture 10 sinusoidal steadystate and frequency response. Sinusoidal steadystate analysis qi xuan zhejiang university of technology nov 2015. Besides the long time required for the simulation to run, the data file created by the simulation will be extremely large. Nov 25, 2015 sinusoidal steady state power calculations november 25, 2015 by donald krambeck lets delve into ac power concepts, how to calculate instantaneous power, average power, reactive power, complex power, and the power factor. Highfrequency sinusoids of kilohertz, megahertz and gigahertz are used as carrier signals for communication purposes.
This unique package is adapted to complex pcb designs and interfaces directly with your design data. We will need to use probes to specify the voltages or currents that will show as traces on the plot. First, the generation, transmission, distribution, and consumption of electric energy occur under essentially sinusoidal steady state conditions. Sinusoidal steadystate analysis from our previous efforts with ac circuits, some patterns in the analysis started to appear. Users will have to run a transient analysis to determine these effects. Ac, or the full timedomain analysis consisting of the tran sient and steady state solution. For sinusoidal steady state analysis, pspice can display the waveform at a. Sinusoidal steady state analysis in this unit, we consider circuits in which the sources are sinusoidal in nature. Sinusoidal steadystate analysis in this unit, we consider circuits in which the sources are sinusoidal in nature. Nov 15, 2015 technical article sinusoidal steady state analysis november 15, 2015 by donald krambeck delve into phasor concepts and transforming a circuit with circuit analysis techniques to solve a given circuit in the frequency domain. And the idea here is that, just like in the last lecture, there is a bunch of mathematical grunge that needs to be gone through. For a crystal with moderately highq 20,000, it can take close to a million cycles before the oscillator reaches a steady state condition. Chapter 10 sinusoidal steady state analysis 1 chapter 10sinusoidal steady state analysis. Actually, ac analysis is a much easier and accurate method for solving steadystate sinusoidal response problems, such as the one in this tutorial.
Oct 20, 2016 gate 2011 ece steady state output of a circuit given with sinusoidal input duration. If an analysis at a single frequency is desired, npoints should be set to one and fstart fstop. A slightly longer introduction to pspice imperial college london. Sinusoidal steadystate analysis shennode sheercuits. Steady state circuit analysis with phasors youtube. Considering a sinusoidal source in circuit analysis and. To set up an ac analysis, a pspice simulation profile needs to be created. Tutorial exercise in theory of electrical engineering. Chapter 5 investigates the steady state sinusoidal response of series, parallel rc, rl, and rlc circuits.
Any circuit containing resistors, capacitors, inductors, sinusoidal voltage and current sources of the same frequency, dependent linear sources behaves in a. Oct 01, 2011 related threads on sinusoidal steady state circuit steady state sinusoidal using nodal analysis. How do you put a sinusoidal transient voltage source in. Rc and rlc circuit steady state analysis simulation with. Pspice is a general purpose program designed for a wide range of circuit simulation including the simulation of nonlinear circuits, transmission lines, noise and distortion, digital circuits, mixed digital and analog circuits. All pspice plots probe graphic must have a title field and figure caption. Rc circuit construct the circuit given in figure 1. Simulate this for step, pulse, and sinusoidal inputs ant input voltage magnitude is 10 volts for all signals. Figure 1 shows the pspice schematic for a circuit that was analyzed in class. Ece 2100, lab section b lab 8 sinusoidal steady state analysis chan yen on, 14230590 partner. Well also talk about the relationship each concept has to one another. After constructing the circuit, create a new simulation profile.
If we need a graphical output, pspice can transfer its data to the probe program for graphing purposes. Electrical and computer engineering old dominion university. An introduction to circuit analysis download ebook pdf. Addition, subtraction, multiplication, and division of complex numbers are necessary operations in solving steadystate ac circuits by the phasor method. Circuits laboratory experiment 3 ac circuit analysis 3. This is known as the \ sinusoidal steady state response since all quantities currents and voltages in the circuit are sinusoidal in nature. In a series rlc circuit containing a resistor, an inductor and a capacitor the source voltage v s is the phasor sum made up of three components, v r, v l and v c with the current common to all three. In contrast to a sinusoidal transient analysis, the ac analysis is not a time domain simulation but rather a simulation of the sinusoidal steady state of the circuit. Figure 17 sinusoidal input and clipped output waveforms. Free book circuit analysis with pspice first edition by nassir h. The transient analysis method described here corresponds to how you would find amplitude and phase using an oscilloscope in the lab. Chapter 5 steadystate sinusoidal analysis to determine phase relationships between sinusoids from their plots versus time, find the shortest time interval tp between positive peaks of the two waveforms.
The orcad pspice simulator from cadence allows you to include a sinusoidal source in circuit analysis and automates many important analyses for a number of applications. The download below is a basic nocost version of pspice, pspice 9. Electrical circuits and electronic circuit accessories are located in all electrical and electronic equipment including household equipment, lighting, heating, air conditioning, home control systems, and commercial buildings alike, computers, consumer electronics, and transport means such as cars. For the love of physics walter lewin may 16, 2011 duration. Steadystate voltages, currents, and digital states when. Simulation settings for steady state analysis the results of the simulation are shown in figure 3. In addition to dc circuit analysis and transient analysis, pspice can be used to work steady state phasor problems. The sums of sinusoidal currents and voltages are obtained. When varying frequencies are applied to rc and rl circuits, analysis of the sinusoidal responses of the respective circuits can be accomplished somewhat easily. Since the frequency of v1 is 100hz, the period is 0.
To investigate the steady state sinusoidal response of rc, rl, and rlc circuits. Again, i believe this will be the second and the last lecture for which i will be using view graphs. This software runs on a pc no macintosh version available. Sinusoidal steady state analysis sinusoidal steadystate analysis characteristics of sinusoids the complex forcing function the phasor phasor relationship for rlc impedance and admittance nodal and mesh analysis phasor diagrams a. Pspice simulates the circuit, and calculates its electrical characteristics.
It remains sinusoidal of the same frequency as the driving source if the circuit is linear with constant r, l, c values. It can perform dc analysis, steadystate sinusoidal ac analysis, transient analysis. For sinusoidal steady state analysis, pspice can display the waveform at a fixed frequency. The concept of impedance is demonstrated graphically by using probe plots. Circuit network analysis chapter2 sinusoidal steady. If we assume that the circuit is in steadystate before the switch is opened then the easiest method to find the steadystate solution would be to work with phasors fourier transform. Lab report 4 ece 2100 lab section b lab 8 sinusoidal. Obtaining steady state of highq circuits using open. Analog design and simulation using orcad capture and pspice.
Compare these results to the ones obtained in class. Since the current is common to all three components it is used as the horizontal reference when constructing a voltage. Pspice saves data to the waveform data file for each internal time step. Frequency response of circuits with r, l, and c components, laplace transforms and transfer functions of linear circuits. Sinusoidal sources will be used in a subsequent tutorial. Boyd ee102 lecture 10 sinusoidal steadystate and frequency response sinusoidalsteadystate frequencyresponse bodeplots 101. Introduction to sinusoidal steadystate analysis instructional. Click download or read online button to get an introduction to circuit analysis book now. Circuits must contain all quantities used for analysis, together with the corresponding reference arrows. Lab kit, cadet, function generator, oscilloscope part i. Complex numbers can be expressed in rectangular, polar, or exponential forms. Sinusoidal steadystate power calculations technical articles. Dc, sinusoidal steadystate, and transient analysis. Technical article sinusoidal steadystate analysis november 15, 2015 by donald krambeck delve into phasor concepts and transforming a circuit with circuit analysis techniques to solve a given circuit in the frequency domain.
Sinusoidal steady state analysis sinusoidal steady state analysis characteristics of sinusoids the complex forcing function the phasor phasor relationship for rlc impedance and admittance nodal and mesh analysis phasor diagrams a. It remains sinusoidal of the same frequency as the driving source if the circuit is linear with constant r, l. Use the oscilloscope to measure the magnitude of the. Sinusoidal steadystate analysis technical articles. This storyline file can be downloaded and modified to your specific learning objectives within the bounds of the creative commons licensing selected for this file. And pspice is a product of the orcad corporation and the student version we are using is. Pspice simulation of transient response of rlc circuits. The plot will show up in a separate window, which has some analysis tools that might be handy in certain situations. The source voltages are equal to v1 10 cos t v and v2 20 cost 30. If the peak of v1toccurs first, we say that v1tleads v2tor that v2tlags v1t.
Voltage and current waveforms time 0s 2s 4s 6s 8s 10s. Downloadable files for cadence design systems pspice personal computer version of the simulation program with integrated circuit emphasis software to assist in circuit analysis activities using the software provided on the orcad cd included with the textbook. But, it is possible to use ac analysis to simulate highq circuits. Apply previously learn circuit techniques to sinusoidal steadystate analysis. Performs a sinusoidal steadystate analysis over 3 decades of frequency from 1khz to 1mhz, computing the response at 50 points within each decade. Tran transient analysis to compute the output of the circuit as a function of time. Set you phasors to stun as we attack an rc circuit with a steadystate sinusoidal input. Also pspice is a simulation program that models the behavior of a circuit. Actually, ac analysis is a much easier and accurate method for solving steady state sinusoidal response problems, such as the one in this tutorial. Circuit with sinusoidal voltage source transient analysis. In ac analysis, ltspice iv does a complex phasor analysis and can therefore be used check the results of your phasor analysis homework. Jun, 2015 circuit network analysis chapter2 sinusoidal steady state analysis 1. Set up a transient simulation using a source of sinusoidal wave with amplitude of 1v peak and frequency of 1khz.
Nov 30, 20 any steady state voltage or current in a linear circuit with a sinusoidal source is a sinusoid all steady state voltages and currents have the same frequency as the source in order to find a steady state voltage or current, all we need to know is its magnitude and its phase relative to the source we already know its frequency. The natural response due to initial conditions is ignored. Learn how to apply nodal and mesh analysis in the frequency domain. It can perform dc analysis, steadystate sinusoidal ac analysis, transient analysis, and fourier series analysis. Electric circuit analysis is essential for designing all these systems. Transformthe circuit to the phasor or frequency domain.
These plots demonstrate that admittance and impedance are steadystate concepts. This is known as the \sinusoidal steady state response since all quantities currents and voltages in the circuit are sinusoidal in nature. Frequency domain analysis of ac circuit via phasors is much easier than analysis of the circuit in the time domain. Circuits laboratory experiment 3 ac circuit analysis. First, the generation, transmission, distribution, and consumption of electric energy occur under essentially sinusoidal steadystate conditions. Lab report 4 ece 2100 lab section b lab 8 sinusoidal steady. Frequency domain analysis of ac circuit via phasors is much.
Circuit network analysis chapter2 sinusoidal steadystate. Objectives gain experience with the steady state analysis functionality provided by the simulation tool pspice. Download pspice for free and get all the cadence pspice models. Chapter 5 investigates the steadystate sinusoidal response of series, parallel rc, rl, and rlc circuits. In each case, the steady state voltages or currents created in response to the sinusoidal source were themselves sinusoids operating at the source frequency, but having a distinct amplitudes and phase shifts relative. Learn how to apply superposition, thevenins and nortons theorems in the frequency. Phasor representation of ac circuits, maximum power transfer and theveninnorton theorems for ac circuits. Ppt chapter 10 sinusoidal steady state analysis powerpoint. Downloadable files for cadence design systems pspicepersonal computer version of the simulation program with integrated circuit emphasis software to assist in circuit analysis activities using the software provided on the orcad cd included with the textbook. In addition to having the ability to model a wide selection of electronic components, spice can perform a variety of types of analyses including dc analysis, transient analysis, sinusoidal steady state analysis, etc.
Electric circuits 1 sinusoidal steady state analysis qi xuan zhejiang university of technology nov 2015. The new material is almost exclusively contained in chapter 10 of the text. As expected, the voltage and current produced have the same frequency as the input. Bias point or dc analysis find the steady state condition of a circuit. The length of time it takes to perform a transient simulation on a. Dc, sinusoidal steady state, and transient analysis. Network analysis chapter 2 e, phasor, and sinusoidal steady state analysis chienjung li department of electronic engineering national taipei university of technology 2.
An important condition for correct worstcase analysis 419. These plots demonstrate that admittance and impedance are steady state concepts. Rc and rlc circuit steady state analysis simulation with the. Sinusoidal steady stateanalysis introduction nodal analysis mesh analysis superposition theorem source transformation thevenin and norton equivalent circuits opamp ac circuits applications introduction steps toanalyze ac circuits. We will use ltspice iv to determine the currents i1 and i2 in the circuit shown in figure 1. Chapter 10 sinusoidal steadystate analysis in this chapter 10. And today we embark on another major milestone in our analysis of lumped circuits and it is called the sinusoidal steadystate. Credit for only e e 201 or 442 may be used towards graduation.
486 211 687 838 296 1310 668 1010 408 1216 1433 1091 396 779 739 126 814 621 283 896 856 887 827 829 268 1383 637 91 367 697 387 78 1409 72 686 10 450 441 1050 1164