FUEL CELL SYSTEM

• Main Authors: MIZUNO NOBUKAZU, HASEGAWA SHIGEKI, KIMATA MOTOYUKI
• Format: Patent
• Language: Chinese; English
• Published: 03.12.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

Provided is a fuel cell system configured to accurately control the gas flow rate and pressure ratio of a turbo-type air compressor. The fuel cell system is a fuel cell system comprising: a fuel cell, an air compressor, an oxidant gas supply flow path, an oxidant gas discharge flow path, an oxidant gas outlet valve, a bypass flow path, a bypass valve, an atmospheric pressure sensor, an outside temperature sensor, a flow rate sensor, a rotational frequency sensor, an angle sensor, a controller, and a calculator configured to estimate the flow resistance Zd, total pressure, partial pressure and energy of each of members that are the air compressor, the oxidant gas outlet valve and the bypass valve. 本发明提供能精度良好地控制涡轮式空气压缩机的气体流量和压力比的燃料电池系统。一种燃料电池系统，其特征在于，具备燃料电池、空气压缩机、氧化剂气体供给流路、氧化剂气体排出流路、氧化剂气体出口阀、旁路流路、旁路阀、外部气温传感器、流量传感器、转速传感器、角度传感器、控制部、和演算部，所述演算部估算上述空气压缩机、上述氧化剂气体出口阀和上述旁路阀的各部位的流动阻力Zd、总压、分压和能量。