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Maximizing Power Transfer in ECE 201 Circuit Theory I

Learn how to maximize power delivered to a resistive load in ECE 201 Circuit Theory I. Explore the general case with independent and dependent sources, finding the optimal load resistance for maximum power delivery. Discover Thevenin equivalents and power calculation methods in this comprehensive circuit theory course.

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Maximizing Power Transfer in ECE 201 Circuit Theory I

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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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