Fuel cell power plant voltage channel

Abstract

A fuel cell power plant system may include two or more electrically connected power units, two or more voltage channels, and a fuel cell power plant controller. Each one of the two or more power units may include two or more fuel cell systems. The two or more voltage channels may be respectively connected to the two or more power units. The fuel cell power plant controller may be electrically connected to the two or more power units.

1 . A fuel cell power plant system, comprising:
 two or more electrically connected power units, wherein each one of the two or more power units includes two or more fuel cell systems;   two or more voltage channels respectively connected to the two or more power units; and   a fuel cell power plant controller electrically connected to the two or more power units.   
     
     
         2 . The fuel cell power plant system of  claim 1 , wherein one or more of the fuel cell systems are repurposed from vehicle fuel cells. 
     
     
         3 . The fuel cell power plant system of  claim 1 , wherein one or more of the fuel cell systems are hydrogen fuel cell systems. 
     
     
         4 . The fuel cell power plant system of  claim 1 , wherein one or more of the fuel cell systems include a fuel cell stack, a battery, an air pump, a DC-DC converter, and a fuel cell voltage converter unit (FCVCU). 
     
     
         5 . The fuel cell power plant system of  claim 1 , comprising two or more platforms for the two or more power units, wherein one or more cooling lines, one or more electrical connections, and one or more fuel lines extend through the two or more platforms and supply cooling, electrical connections, and fuel to the two or more power units. 
     
     
         6 . The fuel cell power plant system of  claim 1 , wherein one of the two or more fuel cell systems includes a gateway control circuitry controlling engine high voltage (EHV) associated with the corresponding fuel cell system. 
     
     
         7 . The fuel cell power plant system of  claim 1 , wherein a first fuel cell system of the two or more fuel cell systems includes a major gateway control circuitry monitoring a water temperature, a fuel leak sensor, or a smoke sensor associated with the corresponding power unit. 
     
     
         8 . The fuel cell power plant system of  claim 1 , wherein each of the two or more fuel cell systems includes a management electronic control unit (ECU) issuing a command to the corresponding fuel cell system. 
     
     
         9 . The fuel cell power plant system of  claim 8 , wherein the command is a vehicle stability management (VSM) override operation or an immobilizer override operation. 
     
     
         10 . The fuel cell power plant system of  claim 1 , wherein the two or more power units output power to a grid inverter. 
     
     
         11 . A fuel cell power plant system, comprising:
 a first power unit including two or more fuel cell systems;   a second power unit including two or more fuel cell systems and electrically connected to the first power unit;   a first voltage channel connected to the first power unit;   a second voltage channel connected to the second power unit; and   a fuel cell power plant controller electrically connected to the first power unit and the second power unit.   
     
     
         12 . The fuel cell power plant system of  claim 11 , wherein one or more of the fuel cell systems are repurposed from vehicle fuel cells. 
     
     
         13 . The fuel cell power plant system of  claim 11 , wherein one or more of the fuel cell systems are hydrogen fuel cell systems. 
     
     
         14 . The fuel cell power plant system of  claim 11 , wherein one or more of the fuel cell systems include a fuel cell stack, a battery, an air pump, a DC-DC converter, and a fuel cell voltage converter unit (FCVCU). 
     
     
         15 . A fuel cell power plant system, comprising:
 two or more electrically connected power units, wherein each one of the two or more power units includes two or more fuel cell systems, but less than eight fuel cell systems;   two or more voltage channels respectively connected to the two or more power units; and   a fuel cell power plant controller electrically connected to the two or more power units.   
     
     
         16 . The fuel cell power plant system of  claim 15 , wherein one or more of the fuel cell systems are repurposed from vehicle fuel cells. 
     
     
         17 . The fuel cell power plant system of  claim 15 , wherein one or more of the fuel cell systems are hydrogen fuel cell systems. 
     
     
         18 . The fuel cell power plant system of  claim 15 , wherein one or more of the fuel cell systems include a fuel cell stack, a battery, an air pump, a DC-DC converter, and a fuel cell voltage converter unit (FCVCU). 
     
     
         19 . The fuel cell power plant system of  claim 15 , comprising two or more platforms for the two or more power units, wherein one or more cooling lines, one or more electrical connections, and one or more fuel lines extend through the two or more platforms and supply cooling, electrical connections, and fuel to the two or more power units. 
     
     
         20 . The fuel cell power plant system of  claim 15 , wherein one of the two or more fuel cell systems includes a gateway control circuitry controlling engine high voltage (EHV) associated with the corresponding fuel cell system.