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Maximum Power Transfer

Maximum Power Transfer. Maximize the power delivered to a resistive load. Consider the General Case. A resistive network contains independent and dependent sources. A load is connected to a pair of terminals labeled a – b.

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Maximum Power Transfer

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  1. Maximum Power Transfer Maximize the power delivered to a resistive load ECE 201 Circuit Theory I

  2. Consider the General Case • A resistive network contains independent and dependent sources. • A load is connected to a pair of terminals labeled a – b. • What value of load resistance permits maximum power delivery to the load? ECE 201 Circuit Theory I

  3. General Case (continued) ECE 201 Circuit Theory I

  4. Take the Thevenin equivalent of the circuit ECE 201 Circuit Theory I

  5. Look at the power developed in the load ECE 201 Circuit Theory I

  6. Find the value of Rload that maximizes power ECE 201 Circuit Theory I

  7. The maximum power delivered to the load ECE 201 Circuit Theory I

  8. Example 4.12 • a) Find the value of RL for maximum power transfer to RL. ECE 201 Circuit Theory I

  9. Determine the Thevenin Equivalent ECE 201 Circuit Theory I

  10. ECE 201 Circuit Theory I

  11. Example 4.12 continued • b) Calculate the maximum power that can be delivered to RL. ECE 201 Circuit Theory I

  12. Example 4.12 continued • What percentage of the power delivered by the 360 V source reaches RL? + Vab - Isource ECE 201 Circuit Theory I

  13. Example 4.12 continued • Percentage of source power delivered to the load ECE 201 Circuit Theory I

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