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1. 发明申请

US20170254225A1 Steam Turbine Plant 审中-公开
公开(公告)号：US20170254225A1
公开(公告)日：2017-09-07
申请号：US15417977
申请日：2017-01-27
申请人： Mitsubishi Hitachi Power Systems, Ltd.
发明人： Eunkyeong KIM , Yasuhiro YOSHIDA , Takuya YOSHIDA , Tatsuro YASHIKI , Miyuki KAWATA , Kazunori YAMANAKA , Norihiro IYANAGA , Fumiyuki SUZUKI
IPC分类号： F01K21/04 , F01K13/02 , F01K11/02
CPC分类号： F01K21/045 , F01D11/24 , F01D25/10 , F01D25/12 , F01K7/16 , F01K11/02 , F01K13/02 , Y02E20/16
摘要： A steam turbine plant of the present invention includes a heat source device that heats a low temperature fluid by a heat source medium to obtain a high temperature fluid, a steam generating device that generates steam by heat exchange with the high temperature fluid, a steam turbine that is driven by the steam, a heating flow path that is disposed on an outer surface of a casing of the steam turbine, a high temperature fluid supply passage that is branched from a flow path of the high temperature fluid in the steam generating device, is connected to the heating flow path, and supplies the high temperature fluid to the heating flow path, and a high temperature fluid flow rate regulating device that regulates a flow rate of the high temperature fluid flowing through the high temperature fluid supply passage.

2. 发明申请

US20170255177A1 Control Parameter Automatic-Adjustment Apparatus, Control Parameter Automatic-Adjustment Method, and Control Parameter Automatic-Adjustment Apparatus Network 审中-公开
公开(公告)号：US20170255177A1
公开(公告)日：2017-09-07
申请号：US15418976
申请日：2017-01-30
申请人： Mitsubishi Hitachi Power Systems, Ltd.
发明人： Yuya TOKUDA , Takaaki SEKIAI , Yasuhiro YOSHIDA , Takuya YOSHIDA , Kazunori YAMANAKA , Norihiro IYANAGA , Fumiyuki SUZUKI
IPC分类号： G05B19/042 , G05B17/02
摘要： Provided is a control parameter automatic-adjustment apparatus that adjusts a control parameter which is used when a control apparatus of a plant calculates an operational control signal, the apparatus including: a simulator that simulates operation of the plant; a learning unit that searches for an optimal control parameter using the simulator; and a knowledge database that stores knowledge information which associates an amount of change in the control parameter with an amount of change in a state of the plant, in which the learning unit includes a search range determination unit that determines a control parameter search range based on the knowledge information that is stored in the knowledge database.

3. 发明申请

US20150121872A1 Steam Turbine Power Plant and Method for Activating Steam Turbine Power Plant 有权
标题翻译：蒸汽轮机发电厂和激活蒸汽轮机发电厂的方法
公开(公告)号：US20150121872A1
公开(公告)日：2015-05-07
申请号：US14532253
申请日：2014-11-04
申请人： Mitsubishi Hitachi Power Systems, Ltd.
发明人： Tatsuro YASHIKI , Yukinori KATAGIRI , Takuya YOSHIDA , Miyuki KAWATA , Yasuhiro YOSHIDA , Eunkyeong KIM , Kenichiro NOMURA , Kazunori YAMANAKA , Fumiyuki SUZUKI , Norihiro IYANAGA
IPC分类号： F01K13/02 , F01K7/16
CPC分类号： F01K13/02 , F01K7/165 , F05D2260/821 , F22B35/00
摘要： Providing a steam turbine power plant that can be safely activated at a high speed while maintaining thermal stress at a level equal to or lower than a limit in consideration of operational results of the plant, and a method for activating the steam turbine power plant. The steam turbine power plant includes a life consumption amount calculator 22 configured to calculate life consumption amounts of a turbine rotor based on a value measured by a measurer 11, 12, a life consumption amount storage device 23, a thermal stress limit update timing determining device 24 configured to determine a time when thermal stress limits are updated, an accumulated life consumption amount calculator 25 configured to calculate accumulated life consumption amounts of the turbine rotor when the thermal stress limits are updated, a planned life consumption amount setting device 26 configured to set planned life consumption amounts of the turbine rotor based on the accumulated life consumption amounts of the turbine rotor, a thermal stress limit calculator 27 configured to calculate and update the thermal stress limits based on the planned life consumption amounts of the turbine rotor, and a plant command value calculator 28 configured to calculate a plant command value based on the thermal stress limits.
摘要翻译：提供一种蒸汽轮机发电厂，其可以在考虑到工厂的运行结果的同时将热应力保持在等于或低于极限的水平的情况下以高速度被安全地激活，以及激活蒸汽轮机发电厂的方法。蒸汽轮机发电厂包括寿命消耗量计算器22，其被配置为基于由测量器11,12测量的值，寿命消耗量存储装置23，热应力极限更新定时确定装置 24，被配置为确定更新热应力限制的时间;累积寿命消耗量计算器25，被配置为计算当热应力极限更新时所述涡轮转子的累积寿命量;计划寿命消耗量设定装置26，基于涡轮转子的累积寿命消耗量的涡轮转子的计划寿命消耗量，被配置为基于涡轮转子的计划寿命消耗量来计算和更新热应力极限的热应力极限计算器27以及设备被配置为计算植物指令值bas的指令值计算器28 根据热应力极限。

4. 发明申请

US20170002690A1 Activation Control Apparatus 审中-公开
标题翻译：激活控制装置
公开(公告)号：US20170002690A1
公开(公告)日：2017-01-05
申请号：US15195268
申请日：2016-06-28
申请人： Mitsubishi Hitachi Power Systems, Ltd.
发明人： Yasuhiro YOSHIDA , Takuya YOSHIDA , Tatsuro YASHIKI , Kazunori YAMANAKA , Fumiyuki SUZUKI , Norihiro IYANAGA
IPC分类号： F01K7/16 , F01D17/14 , F01D25/10 , F01D17/10
CPC分类号： F01K7/165 , F01D17/105 , F01D17/145 , F01D25/10 , F01K7/16 , F01K13/02 , F05D2220/31 , F05D2260/606 , Y02E20/16
摘要： An object of the invention is to provide an activation control apparatus by which a steam turbine can be activated safely at a high speed in response to a state of a power generation plant. In an activation control apparatus for a power generation plant including a heat source apparatus that heats low-temperature fluid by a heat source medium to generate high-temperature fluid; steam generation equipment that generates steam by thermal exchange with the high-temperature fluid; a steam turbine that is driven by the steam; and an adjustment apparatus that adjusts a plant operation amount, the activation control apparatus comprises: a thermal effect amount prediction calculation device that calculates at least a prediction value for a thermal effect amount for use for activation control of the steam turbine; a changeover device that decides, based on a state value of the power generation plant, the sensitivity of the thermal effect amount to a variation of the plant operation amount and outputs a changeover signal for a control mode for the thermal effect amount in accordance with the sensitivity; and an adjustment device that calculates, based on the changeover signal, the plant operation amount so as not to exceed a predetermined limit value.
摘要翻译：本发明的一个目的是提供一种激活控制装置，通过该激活控制装置可以响应于发电厂的状态，高速地安全地启动蒸汽轮机。一种用于发电厂的激活控制装置，包括：通过热源介质加热低温流体以产生高温流体的热源装置; 通过与高温流体热交换产生蒸汽的蒸汽发生设备; 由蒸汽驱动的汽轮机; 所述激活控制装置包括：热效应量预测计算装置，其至少计算用于所述蒸汽轮机的启动控制的热效应量的预测值; 根据发电厂的状态值决定热效应量对设备运行量的变化的灵敏度的转换装置，并输出用于热效应量的控制模式的切换信号，灵敏度; 以及调整装置，其基于所述切换信号，将所述装置运转量计算为不超过规定的限制值。

5. 发明申请

US20150135712A1 Activation Control Device 审中-公开
标题翻译：激活控制装置
公开(公告)号：US20150135712A1
公开(公告)日：2015-05-21
申请号：US14546197
申请日：2014-11-18
申请人： Mitsubishi Hitachi Power Systems, Ltd.
发明人： Eunkyeong KIM , Yasuhiro YOSHIDA , Tatsuro YASHIKI , Yukinori KATAGIRI , Takuya YOSHIDA , Kenichiro NOMURA , Kazunori YAMANAKA , Fumiyuki SUZUKI , Norihiro IYANAGA
IPC分类号： F01K13/02
CPC分类号： F01K13/02 , F05D2260/85 , F05D2270/44
摘要： A steam turbine plant activation control device is provided, which generates an activation schedule that enables a reduction in a time period required for the activation of a steam turbine plant without complex calculation such as prediction and calculation of a temperature and calculation of thermal stress. The activation control device includes: a storage circuit for storing a correlation between an initial value of a state amount parameter and a plant operation amount which includes a control reference value related to a control target amount and time lengths of phases in a process of activating the steam turbine plant; an operation amount determination circuit for determining time lengths of phases and a control reference value based on the initial value of the state amount parameter and the correlation stored in the storage circuit; and an activation schedule circuit configured to generate activation schedules of the phases based on the phase time lengths and the control reference value, which are determined by the operation amount determination circuit, and generate an activation schedule for a time period from the start to the completion of the activation of the steam turbine plant by combining the activation schedules.
摘要翻译：提供了一种蒸汽轮机设备激活控制装置，其产生启动计划，其能够减少激活蒸汽轮机设备所需的时间段，而无需诸如温度的预测和计算以及热应力的计算的复杂计算。激活控制装置包括：存储电路，用于存储状态量参数的初始值和工厂操作量之间的相关性，所述工厂操作量包括与控制目标量相关的控制参考值和激活所述控制目标量的相位的时间长度汽轮机厂; 基于所述状态量参数的初始值和存储在所述存储电路中的相关性，确定相位的时间长度的运算量确定电路和控制基准值; 激活调度电路，被配置为基于由操作量确定电路确定的相位时间长度和控制参考值来产生相位的激活时间表，并且从开始到完成的时间段生成激活时间表通过组合激活时间表来激活蒸汽轮机设备。

6. 发明申请

US20140373540A1 Start Control Unit for Steam Turbine Plant 有权
标题翻译：蒸汽轮机厂启动控制单元
公开(公告)号：US20140373540A1
公开(公告)日：2014-12-25
申请号：US14314841
申请日：2014-06-25
申请人： Mitsubishi Hitachi Power Systems, Ltd.
发明人： Eunkyeong KIM , Yasuhiro YOSHIDA , Takuya YOSHIDA , Tatsuro YASHIKI , Nobuyuki HOKARI , Kenichiro NOMURA , Kazunori YAMANAKA , Fumiyuki SUZUKI , Masaaki TOMIZAWA , Yuichi TAKAHASHI
IPC分类号： F01K13/02
CPC分类号： F01D19/02 , F01D17/00 , F01D17/085 , F01K13/02 , F01K23/101 , Y02E20/16
摘要： A start control unit for a steam turbine plant, wherein inputting a measured value of a steam temperature fed to a steam turbine, a measured value or an estimated value of a rotor temperature of the steam turbine, and a measured value of a casing temperature of the steam turbine, and controlling a steam flow rate so as to increase the steam flow rate fed to the steam turbine when a difference between the steam temperature and the rotor temperature is smaller than a first regulated value and a difference between the rotor temperature and the casing temperature is a second regulated value or larger.
摘要翻译：一种用于蒸汽轮机设备的启动控制单元，其中输入供给到蒸汽轮机的蒸汽温度的测量值，蒸汽涡轮机的转子温度的测量值或估计值，以及壳体温度的测量值蒸汽轮机，并且控制蒸汽流量，以便当蒸汽温度和转子温度之间的差小于第一调节值和转子温度与转子温度之间的差异时，增加供给到蒸汽涡轮机的蒸汽流量套管温度是第二个调节值或更大。

7. 发明申请

US20170022847A1 Combined Cycle Power Plant and Start-Up Method of the Same 审中-公开
标题翻译：联合循环发电厂及其启动方法
公开(公告)号：US20170022847A1
公开(公告)日：2017-01-26
申请号：US15214502
申请日：2016-07-20
申请人： Mitsubishi Hitachi Power Systems, Ltd.
发明人： Tatsuro YASHIKI , Yasuhiro YOSHIDA , Takuya YOSHIDA , Miyuki KAWATA , Eunkyeong KIM , Kazunori YAMANAKA , Norihiro IYANAGA , Fumiyuki SUZUKI
IPC分类号： F01K23/10 , F01D13/00 , F01D17/10 , F02C9/32 , F01D21/00 , F01D17/14 , F02C6/18 , F01D15/10
CPC分类号： F01K23/101 , F01D13/00 , F01D15/10 , F01D17/105 , F01D17/145 , F01D21/003 , F01K23/108 , F01K23/16 , F02C6/18 , F02C9/32 , F05D2220/32 , F05D2220/72 , F05D2220/76 , F05D2260/606 , F22G5/04 , F22G5/18 , Y02E20/16
摘要： There is provided a combined cycle power plant in which a high-pressure steam turbine and an intermediate-pressure steam turbine can operate in a state where amounts of thermal effect thereof are close to a limit value, and capable of reducing start-up time. A combined cycle power plant includes: an exhaust heat recovery boiler that includes a high-pressure superheater which superheats steam for a high-pressure steam turbine, and a reheater which reheats steam for an intermediate-pressure steam turbine; bypass pipes through which steam bypasses the high-pressure superheater and the reheater; bypass valves that regulate flow rates of steam which flows through the bypass pipes; and a bypass controller that controls the bypass valves such that a difference between thermal effect-amount margins of the turbines is decreased.
摘要翻译：提供了一种联合循环发电厂，其中高压蒸汽轮机和中压蒸汽轮机可以在其热效应量接近极限值并能够减少启动时间的状态下操作。联合循环发电厂包括：废热回收锅炉，其包括过热高压蒸气轮机的蒸汽的高压过热器和对中压蒸汽轮机再加热蒸汽的再热器; 旁通管道，蒸汽绕过高压过热器和再热器; 调节流过旁通管的蒸汽流量的旁通阀; 以及旁路控制器，其控制旁通阀，使得涡轮机的热效应量余量之间的差减小。

8. 发明申请

US20150121874A1 ACTIVATION CONTROL DEVICE 有权
标题翻译：激活控制装置
公开(公告)号：US20150121874A1
公开(公告)日：2015-05-07
申请号：US14531293
申请日：2014-11-03
申请人： MITSUBISHI HITACHI POWER SYSTEMS, LTD.
发明人： Yasuhiro YOSHIDA , Takuya YOSHIDA , Tatsuro YASHIKI , Yukinori KATAGIRI , Eunkyeong KIM , Kenichiro NOMURA , Kazunori YAMANAKA , Fumiyuki SUZUKI , Norihiro IYANAGA
IPC分类号： F01D19/02
CPC分类号： F01D19/02 , F01K7/165 , F01K13/02 , F05D2260/821 , F05D2270/44 , F22B35/00
摘要： Provided is a steam turbine plant activation control device that can flexibly handle an initial state amount of a steam turbine plant and activate a steam turbine at a high speed. The activation control device 21 for the steam turbine plant includes a heat source device 1 configured to heat a low-temperature fluid using a heat source medium and generate a high-temperature fluid, a steam generator 2 for generating steam by thermal exchange with the high-temperature fluid, a steam turbine 3 to be driven by the steam, and adjusters 11, 12, 13, 14, 15 configured to adjust operation amounts of the plant.
摘要翻译：提供了一种能够灵活地处理蒸汽轮机设备的初始状态量并以高速激活蒸汽涡轮机的蒸汽轮机设备启动控制装置。用于蒸汽轮机设备的激活控制装置21包括：热源装置1，被配置为使用热源介质加热低温流体并产生高温流体;蒸汽发生器2，用于通过与高温的热交换产生蒸汽由蒸汽驱动的蒸汽轮机3以及被配置为调节设备的操作量的调节器11,12,13,14,15。

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