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Basic Theory

Thevenin's Theorem

Thevenin's Theorem Definition Any linear two-terminal network with sources can be equivalently represented as a voltage source in series with a resistance. Equi…

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Thevenin's Theorem

Definition

Any linear two-terminal network with sources can be equivalently represented as a voltage source in series with a resistance.

Equivalent Circuit

  • Equivalent voltage: Open-circuit voltage Uoc
  • Equivalent resistance: Equivalent resistance R0 seen from the terminals
  • Solution Steps

  • Find open-circuit voltage Uoc
  • Find equivalent resistance R0
  • - Source zeroing method

    - Open-circuit voltage / short-circuit current method

  • Draw equivalent circuit