1. B. Reifenhäuser, A. Ebbes, Method and Apparatus for the Directional Transmission of Electricity in an Electricity Grid. Patent European patent specification: EP 2 430 723 B1; United States Patent: US 9337655 B2; Patent in China: CN102439812B.
2. A new electric power network for effective transportation of small power of dispersed generation plants;Saitoh;Electrical Engineering in Japan,1996
3. R. Abe, Multi-terminal Power Conversion Device, Multi-terminal Power Transfer Device, and Power Network System. Patent US 9013902 B2, JP 5612920 B2.
4. Digital grid: communicative electrical grids of the future;Abe;IEEE Transactions on Smart Grid,2011
5. Experimental validation of a single phase intelligent power router;Girbau-Llistuella,2014