Channel: GreatScott!

Category: Science & Technology

Tags: autoelectronicsinductancebreakerinductornanoprojectdospikezerooptocoupler3dssrtripdiybeginnertriacyourselfstateupguideprogrammingsoftacsolidprinteritschematiccrossingslowlyresistancegreatscott!delayslowwindingdetectorautotransformerappliancemotorcodecircuithousingtransformerhowtimercurrentinductionarduinoelectronicpowermakedetectionstarterrelaystartcrosssoftstartervoltagealternatingprintbuildbeginnerstogreatscott

Description: $2 for 1-4 Layer PCBs, Get SMT Coupons: jlcpcb.com/AAA Previous video: youtu.be/oTUZQDpQcU4 MOSFET Driver Part 2 video: youtu.be/B7Eqrf2M-Iw Everything you need to know about Transformers! video: youtu.be/2cxcP5lY7K4 Solid State Relay video: youtu.be/2UtL2uAYCUA Facebook: facebook.com/greatscottlab Twitter: twitter.com/GreatScottLab Support me for more videos: patreon.com/GreatScott?ty=h More project information (schematic, code,.....) on Instructables: instructables.com/How-to-Make-an-AC-Softstarter Parts list (affiliate links): 1x Arduino Nano: s.click.aliexpress.com/e/_dULoNXh 1x Push Button: s.click.aliexpress.com/e/_Aeay0k 1x Red & Green 5mm LED: s.click.aliexpress.com/e/_dV63r7D Resistors: s.click.aliexpress.com/e/_dTPpXjt 1x 4N25 Optocoupler: s.click.aliexpress.com/e/_AERtjq 1x MOC3052 Optocoupler: s.click.aliexpress.com/e/_AeCdJW 1x BTB26 Triac: s.click.aliexpress.com/e/_AfaGfw 1x 5V Power Supply: s.click.aliexpress.com/e/_A4fEFi 1x FBR: s.click.aliexpress.com/e/_AUMFys In this project video I will show you why my new autotransformer keeps tripping my circuit breaker and how I built an AC softstarter in order to "softly" start the transformer so that it does not trip my circuit breaker. Along the way we will find out how exactly this problem gets created and how you can fix it easily. BTW, such softstarters are also useful for motors ;-) Let's get started! Thanks to JLCPCB for sponsoring this video. Visit jlcpcb.com to get professional PCBs for low prices. Music: 2011 Lookalike by Bartlebeats Killing Time, Kevin MacLeod (incompetech.com) 0:00 Showing off the autotransformer 1:04 The problem with the transformer 1:40 Intro 2:13 Functional Principle of an autotransformer 4:27 Finding the problem 5:52 The reason for the problem 7:10 DIY Solution 1 (Simple) 8:15 DIY Solution 2 (Softstarter) 10:33 Final Test & Assembly