Introduction to Steady State (AC)Analysis ■ Sinusoidal Sources Why are sinusoids important? Reason #1:Our electrical grid works on sinusoidal power Famous shoot-out between Nikola Tesla and Thomas Edison, 1893 Worlds Fair in Chicago (Tesla won,but died a pauper...) In the USA: f=60 Hz VEFF=120V Vp 170V Color Key: Substaton Black: Generaton Step Down Subtransmlsslon Blue: Transmlsslon Transfommer Customer Green:Distrbution Transmlsslon llnes 26kV and 69kV 765,500,345,230,and138kW Generadng Staton Prlmary Customer 13kV and 4kV Generating Transmlsslon Customer Secondary Customer 138kV or 230kV 120V and 240V Step Up ▣▣ Transformer Images from Wikipedia Basic Electronics-Special Lecture for TIPP 2011 7 Gary Drake,Argonne National Lab-Session 2Basic Electronics – Special Lecture for TIPP 2011 7 Gary Drake, Argonne National Lab – Session 2 Introduction to Steady State (AC) Analysis  Sinusoidal Sources • Why are sinusoids important?  Reason #1: Our electrical grid works on sinusoidal power – Famous shoot-out between Nikola Tesla and Thomas Edison, 1893 Worlds Fair in Chicago (Tesla won, but died a pauper…) In the USA: f = 60 Hz VEFF = 120V VP = 170V Images from Wikipedia