| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a solid oxide fuel cell cogeneration system and its operation control method, capable of improving tracking ability of a thermoelectric ratio and durability, without making facilities complicated, and with a temperature state of a system, such as, cell temperature or offgas combustion temperature maintained stable at changing of a thermoelectric ratio. <P>SOLUTION: The solid oxide fuel cell cogeneration system is provided with a cell temperature control means 300, having a control device for adjusting a flow volume of fuel 1 and air 9 as system operation volumes, and stabilizing a cell temperature or combustion chamber temperature, by correcting the flow volume of the fuel or air in accordance with a cell temperature Tc and combustion chamber temperature T<SB>B;</SB>a thermoelectric ratio tracking control means 420 for correcting a fuel flow volume to change the thermoelectric ratio; and a temperature correcting means for thermoelectric ratio control 450 for giving a corrected value of the cell temperature or the combustion chamber temperature to the cell temperature control means. <P>COPYRIGHT: (C)2010,JPO&INPIT |
