Reuse of Post-Consumer E-Waste for Low Cost Micropower Distribution

A novel medium voltage distribution system to electrify rural areas in developing nations using post consumer resources is presented in this paper. Using transformers repurposed from discarded microwave ovens to form a medium voltage micro grid, power may be distributed over an area of a few square kilometers while interconnecting a wide variety of generation sources and storage at a fraction of the cost of traditional systems. Microwave oven transformers (MOTs) are systematically characterized for optimal performance in these cases and construction guidelines are provided. A candidate distribution system using MOTs was constructed to deliver power from a small wind turbine to a small building at a horticulture field station. Results from this demonstration project are provided.