
Explore how inductors and capacitors create reactive impedance in AC circuits, defining X_L and X_C, their 90-degree phase shifts with current, and series networks' total impedance.
Chapter 04 covers trig identities for power in AC circuits, deriving cos(x+y)=cos x cos y−sin x sin y and cos(x−y)=cos x cos y+sin x sin y using right triangles.
Explain how complex power S combines real power P and reactive power Q in ac circuits using phasors, with S = V I* and P = S cosφ.
This course is meant to eliminate the mysticism of electrical power system calculation. Including real, reactive and complex power in the analysis of AC circuits. Clear easy to understand derived formulas using only algebra and a minimum of trigonometry. The slides are clear and crisp using sequential animation to gently guide the student through the logic.