Explore the intricacies of practical 2-winding transformers and many-winding transformers in this 51-minute lecture from MIT's Power Electronics course. Delve into circuit models and inductance matrices for 2-winding transformers, then expand these concepts to many-winding transformers. Learn about the extended cantilever model and its applications. Part of MIT OpenCourseWare's Spring 2023 offering, this lecture is taught by Professor David Perreault and is available under a Creative Commons BY-NC-SA license.