ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,159, issued on Sept. 2, was assigned to HITACHI ENERGY POWER CONVERSION SOLUTIONS SOCIEDAD Ltda. (Seville, Spain).
"DC solid state circuit breaker and DC circuit breaker system" was invented by Javier Villegas Nunez (Seville, Spain), Ricardo Medina Gracia (Seville, Spain), Pablo Arevalo Aguilar (Seville, Spain) and Sergio Hurtado Cuerva (Seville, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A DC solid state circuit breaker (SSCB) and DC circuit breaker system, the SSCB having a power module (40) with a first controlled power semiconductor (41), a DC-Link (50), a semiconductor (61) and a pre-charging system (70) with an impedance (71). The po...