FUEL CELL SYSTEM AND CONTROL METHOD OF THE SAME

To provide a fuel cell system capable of stabilizing an operation of a system, and provide a control method of the same.SOLUTION: A fuel cell system 310 comprises: a fuel cell 313; a turbocharger 411 having a turbin 423 to which a fuel gas is supplied and a compressor 421; an oxidizing gas supply li...

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Bibliographic Details
Main Authors KADO KIMI, OSAWA HIROYUKI, IWAI YASUSHI, ARAKI KENTA
Format Patent
LanguageEnglish
Japanese
Published 13.09.2021
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Summary:To provide a fuel cell system capable of stabilizing an operation of a system, and provide a control method of the same.SOLUTION: A fuel cell system 310 comprises: a fuel cell 313; a turbocharger 411 having a turbin 423 to which a fuel gas is supplied and a compressor 421; an oxidizing gas supply line 331 supplying an oxidizing gas compressed by the compressor 421 to an air electrode 113; a thermal converter 430 circulating an exhaust gas to a fuel exhaust gas line by heating an oxidizing gas of the oxidizing gas supply line 331 by an exhaust gas exhausted from the turbin 423; bypass lines 332 and 444 bypassing the oxidizing gas, in which one end is connected to an upstream side of the thermal converter 430 in the oxidizing gas supply line 331; flow amount adjustment valves 336 and 445 provided at the bypass lines 332 and 444; and a control device 20 controlling the flow amount adjustment valves 336 and 445 on the basis of an outdoor side temperature to control a bypass flow amount of the oxidizing gas.SELECTED DRAWING: Figure 4 【課題】システムの運転をより安定化させることのできる燃料電池システム及びその制御方法を提供することを目的とする。【解決手段】燃料電池システム310は、燃料電池313と、燃焼ガスが供給されるタービン423及び圧縮機421を有するターボチャージャ411と、圧縮機421で圧縮した酸化性ガスを空気極113へ供給する酸化性ガス供給ライン331と、タービン423から排出された排ガスによって酸化性ガス供給ライン331の酸化性ガスを加熱して燃焼排ガスラインへ排ガスを流通させる熱交換器430と、酸化性ガス供給ライン331における熱交換器430の上流側に一端が接続されており、酸化性ガスをバイパスするバイパスライン332、444と、バイパスライン332、444に設けられた流量調整弁336、445と、外気温度に基づいて流量調整弁336、445を制御し、酸化性ガスのバイパス流量を制御する制御装置20とを備える。【選択図】図4
Bibliography:Application Number: JP20200032259