A modular power distribution system comprises a chassis; and a backplane including a power input, and a plurality of module connection locations. A plurality of modules are mounted in the chassis, each module mounted to one of the module connection locations. Each module includes: (i) an OR-ing diode;...http://www.google.fr/patents/US7554796?utm_source=gb-gplus-shareBrevet US7554796 - Modular power distribution system and methods