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    • 2. 发明公开
    • Cooling assembly and method for a gas-turbine electric power generating plant and gas-turbine electric power generating plant comprising said cooling assembly
    • 装置和方法用于冷却电动发电和燃气轮机装置用于发电的燃气涡轮机设备具有这样的设备
    • EP2418367A1
    • 2012-02-15
    • EP11177033.5
    • 2011-08-09
    • Ansaldo Energia S.p.A.
    • Silingardi, AndreaPiola, StefanoAstrua, Pio
    • F02C7/18F02C3/13F01D5/18
    • F02C7/185F01D5/187F02C3/13F05D2260/232F05D2260/2322F05D2270/303Y02E20/16
    • A cooling assembly (10) for a gas-turbine electric power generating plant (1), equipped with a gas turbine (2) having at least one array (12) of stator blades (13) and with a compressor (3), comprising:
      - a cooling circuit (28) for cooling the array (12) of stator blades (13) of the gas turbine (2), which comprises at least one manifold (32a, 32b, 32c) and a plurality of conduits (33) connected to the manifold (32a, 32b, 32c) and arranged at least partly inside respective stator blades (13);
      - a compressed-air extraction circuit (29), which draws at least one flow of compressed air from the compressor (3) and feeds it to the cooling circuit (28);
      - a cooling fluid feed circuit 30, which is configured to add at least a first flow rate (Q1, Q2, Q3) of cooling fluid to the flow of drawn-off compressed air to cool it, and comprises a control unit (44) configured to calculate the first flow rate (Q1, Q2, Q3) of cooling air on the basis of at least a first parameter (TT) related to a temperature of the gas turbine (2), and on the basis of at least a second parameter (TC, Po, Pi) related to a temperature of the flow of compressed air drawn from the compressor (3) by means of the compressed-air extraction circuit (29).
    • 一种用于燃气涡轮机发电设备(1),配备有一个燃气涡轮的冷却组件(10),(2),其具有定子叶片中的至少一个阵列(12),(13)和与压缩机(3),其包括 : - 用于冷却定子叶片的燃气轮机(2),其包括至少一个歧管(32A,32B,32C)和导管的多个阵列(12)(13)的冷却回路(28),(33) 连接到歧管(32A,32B,32C)和布置成至少部分respectivement定子叶片内部(13); - 压缩空气提取电路(29),它从所述压缩机(3)抽取的压缩空气的至少一个流动并将其馈送到所述冷却回路(28); - 其被配置的冷却流体供给电路30中,所有的至少冷却液的第一流量(Q1,Q2,Q3)添加到压缩的空气来冷却它抽出的流,并且包括控制单元(44) 被配置为计算至少与所述燃气涡轮机(2)的温度的第一参数(TT)的基础上的冷却空气的第一流量(Q1,Q2,Q3),并且至少一个第二的基础上 参数(TC,P0,P1)由压缩空气提取电路(29)的是指与压缩空气从压缩机(3)吸入的气流的温度。