Teslas for Sustainable Society - http://www.facebook.com/pages/Teslas-for-Sustainable-Society/204509983005382?ref=stream The primary is connected to an AC source. The secondary and tertiary coils should have loads on them. See videos on making ...
How to Make a Bi-Toroid Transformer and Exceed 100 Percent Efficiency in 2013 | PDF
Energies | Free Full-Text | Performance Comparison of Ferrite and Nanocrystalline Cores for Medium-Frequency Transformer of Dual Active Bridge DC-DC Converter
Main geometrical data of a toroidal distribution transformer. | Download Scientific Diagram
Bi-toroidal Transformer
How to Make a Bi-Toroid Transformer and Exceed 100 % Efficiency | PDF
US20140253271A1 - Bi-Toroidal Topology Transformer - Google Patents