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Thevenin and Norton Equivalent Circuits

Thevenin and Norton Equivalent Circuits. http://www.allaboutcircuits.com/vol_1/chpt_10/8.html.

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Thevenin and Norton Equivalent Circuits

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  1. Thevenin and Norton Equivalent Circuits http://www.allaboutcircuits.com/vol_1/chpt_10/8.html

  2. 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.

  3. Thevenin Theorem Example Application

  4. To create the Thevenin Equivalent Circuit we need: • Value of the Thevenin Voltage Source • Value of the Thevenin Resistance

  5. Determination of the Thevenin Voltage EThevenin = Open circuit voltage with load removed

  6. Determination of the Thevenin Voltage EThevenin = Open circuit voltage with load removed EThevenin = 11.2

  7. Determination of the Thevenin Resistance RThevenin = Net resistance in network with sources set to zero RThevenin = 0.8 ohms

  8. Determination of the Thevenin Resistance (Alternative) RThevenin = EThevenin / IShort Circuit

  9. Thevenin Theorem Summary EThevenin = 11.2 volts RThevenin = 0.8 ohms

  10. The Maximum Power Transfer Theorem simply states, the maximum amount of power will be dissipated by a load resistance when that load resistance is equal to the Thevenin/Norton resistance of the network supplying the power.

  11. Maximum Power Transfer Theorem

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