Abstract: In a power generation system, exhausted fuel gas exhausted from a solid oxide fuel cell (SOFC) is used as a fuel of a first combustor or a second combustor of a gas turbine, and at the same time, a part of compressed air compressed by a compressor of the gas turbine is used to drive the SOFC. The gas turbine includes the first combustor for burning fuel gas which is different from the exhausted fuel gas, a first turbine configured to be driven by combustion gas supplied from the first combustor, the second combustor for burning at least a part of the exhausted fuel gas, and a second turbine coupled with the first turbine and configured to be driven by combustion gas supplied from the second combustor.

Abstract: A power generation system includes a gas turbine having a compressor, a combustor, and a turbine, an inlet guide vane in an air intake port in the compressor, a first compressed air supply line for supplying compressed air compressed by the compressor to the combustor, a solid oxide fuel cell (SOFC) having an air electrode and a fuel electrode, a second compressed air supply line for supplying at least part of the compressed air compressed by the compressor to the air electrode, a control valve in the second compressed air supply line, and a control device for opening the control valve when the SOFC is activated and changing a degree of opening of the inlet guide vane from a preset reference degree of opening.

Abstract: In a power generation system, exhausted fuel gas exhausted from a solid oxide fuel cell (SOFC) is used as a fuel of a first combustor or a second combustor of a gas turbine, and at the same time, a part of compressed air compressed by a compressor of the gas turbine is used to drive the SOFC. The gas turbine includes the first combustor for burning fuel gas which is different from the exhausted fuel gas, a first turbine configured to be driven by combustion gas supplied from the first combustor, the second combustor for burning at least a part of the exhausted fuel gas, and a second turbine coupled with the first turbine and configured to be driven by combustion gas supplied from the second combustor.

Abstract: In a power generation system, exhausted fuel gas exhausted from a solid oxide fuel cell (SOFC) is used as a fuel of a first combustor or a second combustor of a gas turbine, and at the same time, a part of compressed air compressed by a compressor of the gas turbine is used to drive the SOFC. The gas turbine includes the first combustor for burning fuel gas which is different from the exhausted fuel gas, a first turbine configured to be driven by combustion gas supplied from the first combustor, the second combustor for burning at least a part of the exhausted fuel gas, and a second turbine coupled with the first turbine and configured to be driven by combustion gas supplied from the second combustor.

Abstract: A power generation system includes a gas turbine having a compressor, a combustor, and a turbine, an inlet guide vane in an air intake port in the compressor, a first compressed air supply line for supplying compressed air compressed by the compressor to the combustor, a solid oxide fuel cell (SOFC) having an air electrode and a fuel electrode, a second compressed air supply line for supplying at least part of the compressed air compressed by the compressor to the air electrode, a control valve in the second compressed air supply line, and a control device for opening the control valve when the SOFC is activated and changing a degree of opening of the inlet guide vane from a preset reference degree of opening.

Abstract: A power generation system includes a gas turbine having a compressor, a combustor, and a turbine, an inlet guide vane in an air intake port in the compressor, a first compressed air supply line for supplying compressed air compressed by the compressor to the combustor, a solid oxide fuel cell (SOFC) having an air electrode and a fuel electrode, a second compressed air supply line for supplying at least part of the compressed air compressed by the compressor to the air electrode, a control valve in the second compressed air supply line, and a control device for opening the control valve when the SOFC is activated and changing a degree of opening of the inlet guide vane from a preset reference degree of opening.

Abstract: A power generation system provided with: a gas turbine (11) having a compressor (21) and a combustor (22); a SOFC (13); a first compressed air supply line (26) that supplies compressed air (A1) compressed by the compressor (21) to the combustor (22); a second compressed air supply line (31) that supplies a portion (A2) of the compressed air compressed by the compressor (22) to the SOFC (13); an exhaust air supply line (36) that supplies exhaust air (A3) discharged from the SOFC (13) to the combustor (22); a first fuel gas supply line (27) that supplies a fuel gas (L1) to the combustor (22); a second fuel gas supply line (41) that supplies a fuel gas (L2) to the SOFC (13); an exhaust fuel gas supply line (45) that supplies an exhaust fuel gas (L3) discharged from the SOFC (13) to the combustor (22); and a heat exchanger (61) serving as a heating device for heating the fuel gas (L1) supplied to the combustor (22) through the first fuel gas supply line (27).

Abstract: A power generation system and a method for activating a fuel cell in a power generation system, wherein by providing a gas turbine (11) having a compressor (21), a combustor (22), and a turbine (23), an inlet guide vane (21a) provided in an air intake port in the compressor (21), a first compressed air supply line (26) for supplying compressed air compressed by the compressor (21) to the combustor (22), an SOFC (13) having an air electrode and a fuel electrode, a second compressed air supply line (31) for supplying at least part of the compressed air compressed by the compressor (21) to the air electrode, a control valve (32) provided in the second compressed air supply line (31), and a control device (61) for opening the control valve (32) when the SOFC (13) is activated and greatly changing the degree of opening of the inlet guide vane (21a) from a preset reference degree of opening, an air shortage in the gas turbine when the fuel cell is activated is suppressed, thereby enabling stable activation.

Abstract: Inconvenience caused by a difference in temperature of different kinds of fuel gases is solved. In a power generation system, exhausted fuel gas exhausted from a SOFC is used as a fuel of a combustor of a gas turbine, and at the same time, a part of compressed air compressed by a compressor of the gas turbine is used to drive the SOFC. The gas turbine includes a first combustor for burning fuel gas which is different kind from the exhausted fuel gas, a first turbine driven by combustion gas supplied from the first combustor, a second combustor for burning the exhausted fuel gas, and a second turbine shaft-coupled with the first turbine and driven by combustion gas supplied from the second combustor.

Abstract: A power generation system includes a fuel cell, a gas turbine, a first compressed air supply line that supplies the air from a compressor to a combustor, a second compressed air supply line that supplies compressed air from the compressor to the fuel cell, a compressed air circulating line that supplies exhausted air from the fuel cell to the combustor, a detection unit that detects ease of flow of compressed air in the fuel cell, an adjustment unit that adjusts balance between ease of flow of the compressed air in the first compressed air supply line and ease of flow of the compressed air in the second compressed air supply line.