Check out Mouser Electronics here: https://mou.sr/new2023 Mouser Reference Guide for GreatScott! viewers ;-) : https://mou.sr/GreatScott-Reference-Guide Try the world's most trusted PCB design software, Altium Designer with 365, for free and 25% off your purchase: https://www.altium.com/yt/greatscott! Previous video: https://www.youtube.com/watch?v=2SWj49ugr3A Inductor video: https://www.youtube.com/watch?v=kdrP9WbJIb8 Capacitor video: https://www.youtube.com/watch?v=otQGdPLyF3w Impedance video: https://www.youtube.com/watch?v=W2VwAL7-8-o Power video: https://www.youtube.com/watch?v=cxXmWZDwNEs PFC IC/Development board from Mouser: https://mou.sr/IFX-PFC https://mou.sr/IFX-PMIC-O1 Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab Instagram: https://www.instagram.com/great.scott.lab/ TikTok: https://www.tiktok.com/@greatscottlab Support me for more videos: https://www.patreon.com/GreatScott?ty=h In this episode of Electronics Basics, we will be having a closer look at Power Factor Correction Circuits aka PFCs. It sounds like a boring topic but it is super important for the electrical future of our power grid. Along the way we will find out about current waveforms, phase shifts, current harmonics and what passive and active PFCs are and can do. Let's get started! Websites which were shown/used during the video: https://www.mouser.de/ProductDetail/726-EVALPFC2ICE2PCS0 https://www.mouser.de/ProductDetail/726-ICE2PCS01GXUMA1 https://www.infineon.com/dgdl/Infineon-ICE2PCS03-DS-v02_01-en.pdf?fileId=db3a30431936bc4b01193b45457e52a1 https://www.ti.com/seclit/ml/slup390/slup390.pdf?ts=1636232123558&ref_url=https%253A%252F%252Ftraining.ti.com%252F#:~:text=A%20power%20factor%20correction%20(PFC,provides%20benefits%20in%20end%20applications. https://en.wikipedia.org/wiki/IEC_61000-3-2 https://www.jezzamon.com/fourier/ Thanks to Mouser Electronics for sponsoring this video. 0:00 The Big Problem of our Devices! 1:47 Intro 2:29 What kind of Power is Bad? 4:00 Passive PFC Usage! 5:35 Why Active PFC? 7:39 Testing of Active PFC! 9:18 How does Active PFC work? 10:45 Verdict