摘要:
A hydrogen generator of the present invention includes a reformer (16) for generating a hydrogen-containing gas through a reforming reaction using a raw material; a combustor (102a) for heating the reformer (16); a combustion air supplier (117) for supplying combustion air to the combustor (102a); and an abnormality detector (110a) for detecting an abnormality; and a controller (110) configured to control the combustion air supplier (117) such that the reformer (16) is cooled with a higher rate in an abnormal shut-down process executed after the abnormality detector (110a) detects the abnormality, than in a normal shut-down process.
摘要:
Provided are a fuel cell system capable of shortening the wait time of an observer who confirms set points of a system interconnection protective device before starting a system interconnection operation, and a method for operating the fuel cell system.A fuel cell system 100 includes: a hydrogen generating unit 16 configured to generate a hydrogen-containing gas by using a raw material; a heater 18 configured to heat the hydrogen generating unit; an electric power generation start command unit 32 configured to receive a command of start of an electric power generating operation of the fuel cell system, the command being input by a manual operation of an operator, the electric power generating operation being interconnected with an electric power system; and a controller 28 configured to: execute electric power generation stand-by, in which the fuel cell system stands by for the start of the electric power generating operation interconnected with the electric power system, while executing a temperature maintaining process of the hydrogen generating unit by the heater after completion of a temperature increasing process of the hydrogen generating unit by the heater; and when the electric power generation start command unit receives the command of the start of the electric power generating operation, stop the electric power generation stand-by and start the electric power generating operation interconnected with the electric power system.
摘要:
A hydrogen generator of the present invention includes a reformer (16) for generating a hydrogen-containing gas through a reforming reaction using a raw material; a combustor (102a) for heating the reformer (16); a combustion air supplier (117) for supplying combustion air to the combustor (102a); and an abnormality detector (110a) for detecting an abnormality; and a controller (110) configured to control the combustion air supplier (117) such that the reformer (16) is cooled with a higher rate in an abnormal shut-down process executed after the abnormality detector (110a) detects the abnormality, than in a normal shut-down process.
摘要:
Provided are a fuel cell system capable of shortening the wait time of an observer who confirms set points of a system interconnection protective device before starting a system interconnection operation, and a method for operating the fuel cell system.A fuel cell system 100 includes: a hydrogen generating unit 16 configured to generate a hydrogen-containing gas by using a raw material; a heater 18 configured to heat the hydrogen generating unit; an electric power generation start command unit 32 configured to receive a command of start of an electric power generating operation of the fuel cell system, the command being input by a manual operation of an operator, the electric power generating operation being interconnected with an electric power system; and a controller 28 configured to: execute electric power generation stand-by, in which the fuel cell system stands by for the start of the electric power generating operation interconnected with the electric power system, while executing a temperature maintaining process of the hydrogen generating unit by the heater after completion of a temperature increasing process of the hydrogen generating unit by the heater; and when the electric power generation start command unit receives the command of the start of the electric power generating operation, stop the electric power generation stand-by and start the electric power generating operation interconnected with the electric power system.
摘要:
A fuel cell system of the present invention includes: a fuel cell (1) configured to generate electric power using a hydrogen-containing fuel gas; a combustible gas path (4, 17, 1a) including a fuel gas channel (1a) of the fuel cell; 0 a shutoff valve (21) disposed on the combustible gas path, located upstream of the fuel cell, to close when the fuel cell stops generating the electric power; a casing (11) containing the fuel cell, the combustible gas path, and the shutoff valve; a ventilation fan (12) configured to ventilate the casing; a stop unit (51, 52) configured to stop a ventilation operation of the ventilation fan by a manual operation of an operator; and a controller (10) configured to, when leakage of a combustible gas occurs in the casing, execute the ventilation operation of the ventilation fan as long as the ventilation operation is not stopped by the stop unit.
摘要:
A hydrogen generator includes: a reformer (102) configured to generate a hydrogen-containing gas by a reforming reaction using a raw material; a combustor (104) configured to heat the reformer; an air supplying device (106) configured to supply combustion air to the combustor; a first heat exchanger (108) configured to recover heat from a flue gas discharged from the combustor; a first heat medium passage (110) through which a first heat medium flows, the first heat medium receiving the heat recovered from the flue gas in the first heat exchanger; a first pump (112) configured to cause the first heat medium in the first heat medium passage to flow; a heat accumulator (140) configured to store the heat recovered by the first heat medium; and a controller (114) configured to cause the first pump to operate in a cooling step that is a step of cooling down at least the reformer by supplying the air from the air supplying device to the combustor in a state where the combustor is not carrying out combustion during a stop processing
摘要:
A fuel cell system of the present invention comprises a fuel cell (101); a first heat medium path through which a first heat medium for cooling the fuel cell (101) flows; a first flow control device (107) configured to flow the first heat medium in the first heat medium path; an abnormality detector configured to detect an abnormality; and a controller (110) configured to control the first flow control device (107) such that the fuel cell (101) after shut-down of power generation is cooled with a higher rate in an abnormal shut-down process performed after the abnormality detector detects the abnormality, than in a normal shut-down process.
摘要:
A fuel cell system of the present invention includes: a hydrogen generator (1) having a reformer (1a) configured to generate a hydrogen-containing gas by a reforming reaction using a raw material; a fuel cell (2) configured to generate electric power using the hydrogen-containing gas supplied from the hydrogen generator (1); a combustor (3) configured to combust an anode off gas discharged from the fuel cell (2) to heat the reformer (1a); a CO detector (7) configured to detect a carbon monoxide concentration of a flue gas discharged from the combustor (3); an electric heater (8) configured to heat the CO detector (7); and a controller (19), and the controller (19) is configured to increase an amount of energization to the electric heater (8) in accordance with an increase in an amount of electric power generated by the fuel cell (2).
摘要:
A fuel cell system of the present invention comprises a fuel cell (101); a first heat medium path through which a first heat medium for cooling the fuel cell (101) flows; a first flow control device (107) configured to flow the first heat medium in the first heat medium path; an abnormality detector configured to detect an abnormality; and a controller (110) configured to control the first flow control device (107) such that the fuel cell (101) after shut-down of power generation is cooled with a higher rate in an abnormal shut-down process performed after the abnormality detector detects the abnormality, than in a normal shut-down process.
摘要:
A fuel cell system of the present invention includes: a hydrogen generator (1) having a reformer (1a) configured to generate a hydrogen-containing gas by a reforming reaction using a raw material; a fuel cell (2) configured to generate electric power using the hydrogen-containing gas supplied from the hydrogen generator (1); a combustor (3) configured to combust an anode off gas discharged from the fuel cell (2) to heat the reformer (1a); a CO detector (7) configured to detect a carbon monoxide concentration of a flue gas discharged from the combustor (3); an electric heater (8) configured to heat the CO detector (7); and a controller (19), and the controller (19) is configured to increase an amount of energization to the electric heater (8) in accordance with an increase in an amount of electric power generated by the fuel cell (2).