You might have seen that in order to start a high power rating induction motor, a starting technique called star-delta is used. In this video, we will understand why a star-delta starter is needed, and how it is accomplished practically with help of animation. We thank our patrons for making LE's educational service sustainable. Please support us at Patreon.com so that we will have the capability to release 2 videos/month. https://www.patreon.com/LearnEngineering Curious about how LE was born ?, Check out our story : https://goo.gl/otQfvD Like us on FB : https://www.facebook.com/LearnEngineering Voice-over artist : https://www.fiverr.com/mikepaine