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Lampadina JULIAN GARCIA OSORIO Continuity / Fault Detector Circuit - Simple Theft Detection Circuit hw1 PRIMER CIRCUITO circuitos en serie y paralelo

Step up transformers are usually used in powerplants as well as power transmission system. You can see an Step up transformer in your microwave oven, 

Feel free to make your own circuit and do share it on DCAClab subreddit. Also check out that how to use the transformer in DCAClab.