A control device for fuel cell includes, comprising a compressor configured to supply cathode gas to a fuel cell, a driving device including at least two compressor driving sources including a drive motor and a driving body using a power source other than the drive motor, the driving device configur
A control device for fuel cell includes, comprising a compressor configured to supply cathode gas to a fuel cell, a driving device including at least two compressor driving sources including a drive motor and a driving body using a power source other than the drive motor, the driving device configured to drive the compressor by the driving sources; and a control unit. The control unit configured to control a state of the power source on the basis of an operating state of the fuel cell, and the control unit selects the driving source to be used out of the compressor driving sources on the basis of the state of the power source.
대표청구항▼
1. A fuel cell system including a fuel cell configured to generate power by having an anode gas and a cathode gas respectively supplied to an anode and a cathode of the fuel cell, the fuel cell system comprising: a compressor configured to supply the cathode gas to the fuel cell;a driving device con
1. A fuel cell system including a fuel cell configured to generate power by having an anode gas and a cathode gas respectively supplied to an anode and a cathode of the fuel cell, the fuel cell system comprising: a compressor configured to supply the cathode gas to the fuel cell;a driving device configured to drive the compressor; anda control unit configured to control the driving device on the basis of an operating state of the fuel cell,wherein the driving device comprises at least two driving sources including a drive motor and a turbine to be driven by a working fluid, the working fluid being one selected from the group consisting of the anode gas, the cathode gas, a refrigerant circulating in a piping for air conditioning, and a compressed air supplied from a pressure accumulating tank, anda clutch in a power transmission path, wherein a drive force of the turbine is transmitted to the compressor in the power transmission path, andwherein the control unit is further configured to calculate a target output torque of the compressor on the basis of the operating state of the fuel cell, calculate an outputtable torque of the turbine on the basis of a pressure or a flow rate of the working fluid, and select either one or both of the drive motor and the turbine as a driving source on the basis of the target output torque of the compressor and the outputtable torque of the turbine, by controlling the clutch. 2. The fuel cell system according to claim 1, wherein the control unit is further configured to control the drive motor on the basis of the operating state of the fuel cell and control the clutch on the basis of a state of the working fluid so as to compensate for a drive force of the drive motor by the drive force of the turbine. 3. The fuel cell system according to claim 1, wherein the anode gas supplied to the fuel cell is used as the working fluid. 4. The fuel cell system according to claim 1, wherein the anode gas supplied to the fuel cell is used as the working fluid, andwherein the control unit is further configured to release the clutch and drive the compressor only by the drive motor when an operating state where the anode gas is not supplied to the fuel cell is set by a request of the fuel cell. 5. The fuel cell system according to claim 1, wherein the anode gas supplied to the fuel cell is used as the working fluid, andwherein the control unit is further configured to release the clutch and drive the compressor only by the drive motor in an initial stage during starting the fuel cell or in a late stage during stopping the fuel cell. 6. The fuel cell system according to claim 1, wherein the anode gas supplied to the fuel cell is used as the working fluid, andwherein the control unit is further configured to intermittently supply the cathode gas to the fuel cell by engaging and releasing the clutch when an operating state where the cathode gas is intermittently supplied while the anode gas is supplied to the fuel cell is set. 7. The fuel cell system according to claim 1, wherein a refrigerant circulating in a piping for air conditioning is used as the working fluid. 8. The fuel cell system according to claim 7, wherein the control unit is further configured to coordinately control a pressure or flow rate of the refrigerant on the basis of a request of the fuel cell and an air conditioning request. 9. The fuel cell system according to claim 1, wherein a compressed air supplied from a pressure accumulating tank is used as the working fluid, and the pressure accumulating tank is configured to accumulate an excess cathode gas discharged from the compressor. 10. The fuel cell system according to claim 9, wherein an on-off valve is provided in an introduction passage for introducing the excess cathode gas discharged from the compressor to the pressure accumulating tank, andwherein the control unit is further configured to open the on-off valve when the compressor is discharging the excess cathode gas unnecessary for power generation of the fuel cell. 11. The fuel cell system according to claim 10, further comprising: a bypass passage configured to discharge a part of the cathode gas discharged from the compressor by bypassing the fuel cell; anda bypass valve provided in the bypass passage and configured to adjust a flow rate of the cathode gas flowing in the bypass passage,wherein the control unit is further configured to prohibit opening of the on-off valve when the compressor is discharging the excess cathode gas unnecessary for power generation so as to reduce a hydrogen concentration in discharged gas discharged from the fuel cell system. 12. A fuel cell system including a fuel cell configured to generate power by having an anode gas and a cathode gas respectively supplied to an anode and a cathode of the fuel cell, the fuel cell system comprising: a compressor configured to supply cathode gas to the fuel cell;a driving device configured to drive the compressor; anda control unit configured to control the driving device on the basis of an operating state of the fuel cell,wherein the driving device comprises at least two driving sources including a drive motor and a turbine to be driven by a working fluid, the working fluid being one selected from the group consisting of the anode gas and the cathode gas,wherein the control unit is further configured to calculate a target output torque of the compressor on the basis of the operating state of the fuel cell, calculate an outputtable torque of the turbine on the basis of a pressure or a flow rate of the working fluid, and select either one or both of the drive motor and the turbine as a driving source on the basis of the target output torque of the compressor and the outputtable torque of the turbine,wherein the driving device includes a clutch in a power transmission path and a drive force of the turbine is transmitted to the compressor in the power transmission path, andwherein the control unit is further configured to control the drive motor on the basis of the operating state of the fuel cell and control the clutch on the basis of a state of the working fluid so as to compensate for a drive force of the drive motor by the drive force of the turbine.
Wolfe William R. (Pittsburgh PA) Taylor Owen S. (Jeannette PA) Vasilow Theodore R. (Irwin PA) Wolfe Arthur L. (Murrysville PA) Pierre Joseph F. (Valencia PA) Wiss John W. (Pittsburgh PA), Fuel cell powered propulsion system.
Dalum, Joseph Thomas; Jarmuz, Matthew J.; Myers, Daniel Francis; Ambrosio, Joseph Mario, Hybrid vehicle drive system and method and idle reduction system and method.
Kobayashi, Yoshinori; Tomida, Kazuo; Fukagawa, Masayuki; Mori, Ryutaro; Kitamura, Takeshi, Power generation system and method for starting power generation system.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.