Thevenin's Theorem
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From: Additya on 15 Dec 2009 04:44 Thevenin's 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 series resistance connected to a load You will get all the circuit diagrams and illustrative examples on Thevenin's Theorem in the following article, http://www.ezdia.com/Thevenin_Theore...ent.do?id=1051 # 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. # Steps to follow for Thevenin's Theorem: # (1) Find the Thevenin source voltage by removing the load resistor from the original circuit and calculating voltage across the open connection points where the load resistor used to be. # (2) Find the Thevenin resistance by removing all power sources in the original circuit (voltage sources shorted and current sources open) and calculating total resistance between the open connection points. # (3) Draw the Thevenin equivalent circuit, with the Thevenin voltage source in series with the Thevenin resistance. The load resistor re- attaches between the two open points of the equivalent circuit. # (4) Analyze voltage and current for the load resistor following the rules for series circuits. |