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    • 5. 发明申请
    • POWER STATION SYSTEM AND METHOD FOR OPERATING
    • 动力站系统和操作方法
    • US20110018265A1
    • 2011-01-27
    • US12886868
    • 2010-09-21
    • Jürgen HoffmannThomas Meindl
    • Jürgen HoffmannThomas Meindl
    • H02P9/04
    • F01K23/101F01K13/02Y02E20/16
    • A combined-cycle power plant (10) has at least one power train (60) including a steam turbine (24) and a second generator (8) directly driven by the steam turbine (24) and generating alternating current, the output of which generator is connected to a power grid (21) having a given grid frequency (F), and at least one power train (11) of a gas turbine (12) and a first generator (18) driven directly by the gas turbine (12) and generating alternating current with an operating frequency, the output of which generator is connected to a power grid (21) having a predetermined grid frequency. An electronic decoupling device or a variable electronic gear unit (27) decouples the operating frequency from the grid frequency and is arranged between the first generator (18) and the power grid (21). Such a plant allows both flexible steady-state operation with high overall efficiency as well as flexible transient operation.
    • 联合循环发电厂(10)具有至少一个动力系(60),其包括由蒸汽轮机(24)直接驱动的蒸汽轮机(24)和第二发电机(8),并产生交流电 发电机连接到具有给定电网频率(F)的电力网(21)和燃气轮机(12)的至少一个动力传动系(11)和由燃气轮机(12)直接驱动的第一发电机 )并且产生具有工作频率的交流电,所述发电机的输出连接到具有预定电网频率的电网(21)。 电子去耦装置或可变电子减速器(27)将工作频率与电网频率分离并且布置在第一发电机(18)和电网(21)之间。 这种设备允许灵活的稳态运行,具有高的总体效率以及灵活的瞬态操作。
    • 7. 发明授权
    • Method for operating a power plant
    • 运行发电厂的方法
    • US08796874B2
    • 2014-08-05
    • US12541753
    • 2009-08-14
    • Jürgen HoffmannThomas Meindl
    • Jürgen HoffmannThomas Meindl
    • F01D15/10F02C6/00
    • F01D15/10F02C9/28H02P9/105H02P9/107
    • A method is provided for operating a power station (10) with turbine shafting (11) including a gas turbine (12) and a generator (18) that is driven directly by the gas turbine (12) and that generates alternating current with an operating frequency. The output of the generator is connected to an electrical grid (21) with a given grid frequency. An electronic decoupling apparatus or variable electronic gearbox (27) is arranged between the generator (18) and the grid (21). The decoupling apparatus decouples the operating frequency from the grid frequency. In the event of a temporary over-frequency or under-frequency event in the electrical grid (21), the mechanical rotational speed of the gas turbine (12) is decreased more than the grid frequency during an under-frequency event of the electrical grid (21) and is increased more than the grid frequency during an over-frequency event of the electrical grid (21).
    • 提供了一种用于操作具有涡轮轴系(11)的发电站(10)的方法,所述涡轮机轴系包括燃气轮机(12)和由燃气轮机(12)直接驱动的发电机(18),并且产生具有操作 频率。 发电机的输出端连接到具有给定电网频率的电网(21)。 电子去耦装置或可变电子齿轮箱(27)设置在发电机(18)和电网(21)之间。 去耦设备将工作频率与电网频率分离。 在电网(21)中发生临时过频或欠频事件的情况下,燃气轮机(12)的机械转速在电网频率不足的情况下比电网频率下降得多 (21),并且在电网(21)的过频事件期间比电网频率增加。
    • 8. 发明授权
    • Method for operating a power plant
    • 运行发电厂的方法
    • US08373295B2
    • 2013-02-12
    • US12541665
    • 2009-08-14
    • Jürgen HoffmannThomas Meindl
    • Jürgen HoffmannThomas Meindl
    • F01D15/10
    • F01D15/10F02C9/38F05D2270/024F05D2270/05F05D2270/08
    • A method is provided for operating a power station (10), with turbine shafting (11), that includes a gas turbine (12) and a generator (18) driven directly by the gas turbine (12) and that generates alternating current with an operating frequency, the output of the generator is connected with an electrical grid (21) with given grid frequency. An electronic decoupling apparatus or variable electronic gearbox (27) is arranged between the generator (18) and the grid (21), the decoupling apparatus decouples the operating frequency from the grid frequency. Increased service life of the station and reduced emissions are achieved in that, when there are longer-lasting changes in the grid frequency, the mechanical or aerodynamic rotational speed of the gas turbine (12) is kept constant and the output of the gas turbine (12) is adjusted without a delay.
    • 提供了一种用于操作具有涡轮轴系(11)的发电站(10)的方法,其包括燃气轮机(12)和由燃气轮机(12)直接驱动的发电机(18),并且产生与 工作频率,发电机的输出与给定电网频率的电网(21)连接。 电子去耦装置或可变电子齿轮箱(27)布置在发电机(18)和电网(21)之间,去耦装置将工作频率与电网频率分离。 实现了车站使用寿命的延长和减少的排放,因为当电网频​​率持续变化时,燃气轮机(12)的机械或空气动力学转速保持恒定,燃气轮机的输出( 12)调整没有延迟。
    • 9. 发明授权
    • Power station with grid frequency linked turbine and method for operating
    • 电网与电网频率联动的汽轮机和运行方法
    • US08247919B2
    • 2012-08-21
    • US12886868
    • 2010-09-21
    • Jürgen HoffmannThomas Meindl
    • Jürgen HoffmannThomas Meindl
    • F01D15/10
    • F01K23/101F01K13/02Y02E20/16
    • A combined-cycle power plant (10) has at least one power train (60) including a steam turbine (24) and a second generator (8) directly driven by the steam turbine (24) and generating alternating current, the output of which generator is connected to a power grid (21) having a given grid frequency (F), and at least one power train (11) of a gas turbine (12) and a first generator (18) driven directly by the gas turbine (12) and generating alternating current with an operating frequency, the output of which generator is connected to a power grid (21) having a predetermined grid frequency. An electronic decoupling device or a variable electronic gear unit (27) decouples the operating frequency from the grid frequency and is arranged between the first generator (18) and the power grid (21). Such a plant allows both flexible steady-state operation with high overall efficiency as well as flexible transient operation.
    • 联合循环发电厂(10)具有至少一个动力系(60),其包括由蒸汽轮机(24)直接驱动的蒸汽轮机(24)和第二发电机(8),并产生交流电 发电机连接到具有给定电网频率(F)的电力网(21)和燃气轮机(12)的至少一个动力传动系(11)和由燃气轮机(12)直接驱动的第一发电机 )并且产生具有工作频率的交流电,所述发电机的输出连接到具有预定电网频率的电网(21)。 电子去耦装置或可变电子减速器(27)将工作频率与电网频率分离并且布置在第一发电机(18)和电网(21)之间。 这种设备允许灵活的稳态运行,具有高的总体效率以及灵活的瞬态操作。