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Understanding Phasors in Electrical Circuits

Learn the basics of phasors and their applications in circuits. Explore how sinusoids transform into phasors, understand impedance of inductors and capacitors, and analyze V-I relationships. Dive into Phasor R-L Examples and KVL in complex planes.

charlesgarrett
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Understanding Phasors in Electrical Circuits

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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.

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