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E E 2315 PowerPoint Presentation

E E 2315

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E E 2315

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  1. E E 2315 Lecture 14 - Introduction to Phasors

  2. The Sinusoidal Function f

  3. Sinusoid to Phasor Exponential form: Separate exponents: Phasor transform: Also:

  4. Impedance of an Inductor

  5. Phasor Diagram of Inductor V-I Relationship Voltage leads current by 90°

  6. Impedance of a Capacitor

  7. Phasor Diagram of Capacitor V-I Relationship Current leads Voltage by 90°

  8. Phasor R-L Example (1/3)

  9. Phasor R-L Example (2/3)

  10. Phasor R-L Example (3/3) KVL now in complex plane.