Practice problems wisconline oer this website uses cookies to. Thevenin s theorem summary we have seen here that thevenin s theorem is another type of circuit analysis tool that can be used to reduce any complicated electrical network into a simple circuit consisting of a single voltage source, vs in series with a single resistor, rs. For solving the dc electric circuits using thevenins theorem in pspice software. Understand what thevenins theorem is, and how to figure out the thevenin equivalent of a circuit. Thevenins theorem is a very useful technique in solving the circuit problems when your entire focus is on a particular element in the network and you are not bothered much about the remaining. Students work five practice problems to determine the thevenin voltage of dc circuits. Electronics tutorial using thevenins theorem to analyse complex dc circuits including thevenins electrical circuit theory and analysis. Applications of thevenin theorem with the help of thevenin s theorem, it is possible to replace a complex part of the network by a very easy equivalent series circuit.
As originally stated in terms of dc resistive circuits only, thevenins theorem aka helmholtzthevenin theorem holds that. Thevenin equivalent circuit and maximum power transfer. Thevenin theorem is not applicable to the circuits that contain nonlinear elements like transistors and diodes etc. Thevenin s theorem also provides an efficient way to focus your analysis on a specific portion of a circuit. Any linear active network with output terminals a and can be replaced by a single voltage source. For the love of physics walter lewin may 16, 2011 duration. In this video we show you how to obtain the thevenin equivalent circuit using pspice by simulating the circuit show in the previous video.
Introduction to thevenin theorem pspice simulation for example. Thevenins theorem states that it is possible to simplify any linear circuit, no matter how complex, to an equivalent circuit with just a single voltage source and. Thevenins theorem dc network analysis electronics textbook. Thevenin theorem tells that an active circuit between two load terminals can be considered as an individual voltage source. The voltage of this source would be open circuit voltage across the. The objective of this lab activity is to verify thevenins theorem by obtaining the thevenin equivalent voltage v. Welcome to our free internet course on acdc circuits using the tina circuit simulation software. Thevenin s theorem is a way to reduce a network to an equivalent circuit composed of a single voltage source, series resistance, and series load. This allows you to calculate the voltage and current at a specific terminal by simplifying the rest of the circuit with thevenin s equivalent. In electrical circuit theory, thevenins theorem for linear electrical networks states that any combination of voltage sources, current sources and resistors with two. Find the thevenin source voltage by removing the load resistor from the original circuit and calculating the voltage across the open connection points where the load resistor used to be.
Thevenins theorem explained with examples of independent. Thevenins theorem thevenins theorem states that a linear and bilateral network can be replaced by an equivalent circuit consisting of a voltage source v th in series with a resistance r th. A simple explanation of thevenin theorem, and thevenin equivalent circuits. This animated object allows students to examine the four steps used to reduce a complex circuit to a simple series circuit.
770 1002 850 1425 1136 32 565 1362 853 20 675 1481 793 1293 196 1121 98 820 128 992 560 78 1130 285 1193 939 1156 105 681 915 1008 435 289