会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明公开
    • Steam turbine power plant
    • Dampfturbinenkraftwerk
    • EP2792857A2
    • 2014-10-22
    • EP13192840.0
    • 2013-11-14
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Yoshida, YasuhiroYoshida, TakuyaYashiki, TatsuroNomura, KenichiroYamanaka, KazunoriTomizawa, MasaakiTakahashi, YuichiSuzuki, Fumiyuki
    • F01K13/02
    • F01D19/02F01D17/02F01D17/08F01D17/085F01K7/165F01K13/02F22B35/00
    • Disclosed is a steam turbine power plant adapted to start operating very efficiently by highly accurate look-ahead control of a plurality of its startup constraints. The power plant includes a fundamental startup constraint prediction device 32 that calculates from a control input variable of the controller 12, 14 a prediction period about a fundamental startup constraint which is short in response time, a reference control input variables calculating device 33 that calculates such a reference control input variable of the controller 12, 14 as the value predicted and calculated by the fundamental startup constraint prediction device 32 will not exceed a limit value, other startup constraint prediction devices 35a, 35b each calculating a corresponding prediction period of data about desired one of other startup constraints from the prediction period of reference control input variables data, other control input variable calculating devices 36a, 36b each calculating corresponding other control input variables of the controller 12, 14 from the value predicted and calculated by the other startup constraint prediction device 35a, 35b, and a control signal output device 40, 41, 42 or 43 that outputs a command value to the controller 12, 14 in accordance with a value selected from the reference control input variable and the other control input variable.
    • 公开了一种汽轮机发电厂,其适用于通过对其多个启动约束进行高精度的前瞻控制而非常有效地开始运行。 电力设备包括基本启动约束预测装置32,其根据控制器12,14的控制输入变量计算出响应时间短的基本启动约束的预测期间,计算这样的基准控制输入变量计算装置33 作为由基本启动约束预测装置32预测和计算的值的控制器12,14的基准控制输入变量将不超过限制值,其他启动约束预测装置35a,35b,每个启动约束预测装置35a,35b计算关于期望的数据的相应预测周期 从参考控制输入变量数据的预测周期的其他启动约束之一,其他控制输入变量计算装置36a,36b,每个控制输入变量计算装置36a,36b根据由其他启动约束预测预测和计算的值来控制控制器12,14的对应的其他控制输入变量 设备35a,35b和控制符号 输出装置40,41,42或43,其根据从参考控制输入变量和另一控制输入变量中选择的值向控制器12,14输出指令值。
    • 6. 发明公开
    • Activation control device
    • Aktivierungssteuerungsvorrichtung
    • EP2876267A1
    • 2015-05-27
    • EP14193978.5
    • 2014-11-20
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Kim, EunkyeongYoshida, YasuhiroYashiki, TatsuroKatagiri, YukinoriYoshida, TakuyaNomura, KenichiroYamanaka, KazunoriSuzuki, FumiyukiIyanaga, Norihiro
    • F01K13/02
    • F01K13/02F05D2260/85F05D2270/44
    • 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 (1) without complex calculation such as prediction and calculation of a temperature and calculation of thermal stress. The activation control device (2) includes: a storage circuit (12) 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 (13) 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 (13), 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.
    • 提供了一种蒸汽轮机设备激活控制装置,其产生激活程序,其能够减少激活蒸汽轮机设备(1)所需的时间段,而无需复杂的计算,例如温度的预测和计算以及热量的计算 强调。 激活控制装置(2)包括:存储电路(12),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,其包括与控制目标量相关的控制参考值和相位的时间长度 在激活蒸汽轮机设备的过程中; 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操作量确定电路(13)和控制基准值; 以及激活调度电路,被配置为基于由操作量确定电路(13)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,并且从一开始就产生一段时间的激活调度 通过组合激活时间表来完成蒸汽轮机设备的激活。
    • 7. 发明公开
    • Steam turbine power plant
    • 汽轮机动力装置
    • EP2792858A3
    • 2015-03-25
    • EP13192867.3
    • 2013-11-14
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Yoshida, YasuhiroYoshida, TakuyaYashiki, TatsuroKusumi, NaohiroNomura, KenichiroYamanaka, KazunoriTomizawa, MasaakiTakahashi, YuichiSuzuki, Fumiyuki
    • F01K13/02F01D19/02F22B35/00F01K7/16
    • F01K13/02F01D19/02F01K7/165F22B35/00Y02E10/46Y02E20/16
    • Disclosed is a steam turbine power plant adapted to start operating very efficiently in an extended control range of its startup constraints such as a thermal stress. The steam turbine power plant includes heat source equipment 1 that heats a low-temperature flow by applying a heat medium and thus generates a high-temperature flow, a steam generator 2 that generates steam using the high-temperature flow generated by the heat source equipment 1, a steam turbine 3 driven by the steam generated by the steam generator 2, an electric generator 4 that converts rotational motive power of the steam turbine 3 into electric power, a heat medium controller 12 that controls a supply rate of the heat medium supplied to the heat source equipment 1, a low-temperature flow controller 14 that controls a supply rate of the low-temperature flow supplied to the heat source equipment 1, a prediction device 22 that predicts startup constraints of the steam turbine 3 from control input variables of the controllers 12, 14 when the steam turbine 3 is started, and a control input variables setter 23 that controls the controllers 12, 14 so as to prevent data predictions by the prediction device 22 from exceeding limit values of the startup constraints.
    • 公开了一种蒸汽涡轮机动力设备,其适于在其启动约束的扩展控制范围(例如热应力)中非常有效地开始操作。 蒸汽涡轮机动力装置包括:热源设备1,其通过施加热介质来加热低温流动并由此产生高温流;蒸汽发生器2,其利用热源设备所产生的高温流来产生蒸汽 如图1所示,蒸汽涡轮机3由蒸汽发生器2产生的蒸汽驱动,将蒸汽涡轮机3的旋转动力转换为电力的发电机4,控制供给的热介质的供给量的热介质控制器12 向热源机1供给控制向热源机1供给的低温流的供给速度的低温流量控制器14,根据控制输入变量预测蒸汽涡轮3的起动限制的预测装置22 当蒸汽涡轮机3起动时控制器12,14的控制输入变量设定器23控制控制器12,14以防止由第 预测装置22超出启动约束的极限值。
    • 9. 发明公开
    • Steam turbine power plant
    • Dampfturbinenkraftwerk
    • EP2792858A2
    • 2014-10-22
    • EP13192867.3
    • 2013-11-14
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Yoshida, YasuhiroYoshida, TakuyaYashiki, TatsuroKusumi, NaohiroNomura, KenichiroYamanaka, KazunoriTomizawa, MasaakiTakahashi, YuichiSuzuki, Fumiyuki
    • F01K13/02
    • F01K13/02F01D19/02F01K7/165F22B35/00Y02E10/46Y02E20/16
    • Disclosed is a steam turbine power plant adapted to start operating very efficiently in an extended control range of its startup constraints such as a thermal stress. The steam turbine power plant includes heat source equipment 1 that heats a low-temperature flow by applying a heat medium and thus generates a high-temperature flow, a steam generator 2 that generates steam using the high-temperature flow generated by the heat source equipment 1, a steam turbine 3 driven by the steam generated by the steam generator 2, an electric generator 4 that converts rotational motive power of the steam turbine 3 into electric power, a heat medium controller 12 that controls a supply rate of the heat medium supplied to the heat source equipment 1, a low-temperature flow controller 14 that controls a supply rate of the low-temperature flow supplied to the heat source equipment 1, a prediction device 22 that predicts startup constraints of the steam turbine 3 from control input variables of the controllers 12, 14 when the steam turbine 3 is started, and a control input variables setter 23 that controls the controllers 12, 14 so as to prevent data predictions by the prediction device 22 from exceeding limit values of the startup constraints.
    • 公开了一种蒸汽轮机发电厂,其适用于在其启动约束如热应力的扩展控制范围内非常有效地开始运行。 蒸汽轮机发电厂包括通过施加热介质加热低温流并因此产生高温流的热源设备1,使用由热源设备产生的高温流产生蒸汽的蒸汽发生器2 如图1所示,由蒸汽发生器2产生的蒸汽驱动的蒸汽轮机3,将蒸汽轮机3的旋转动力转换为电力的发电机4,控制供给的热介质的供给速度的热介质控制器12 控制供给到热源设备1的低温流的供给速度的低温流量控制器14,从控制输入变量来预测汽轮机3的起动约束的预测装置22, 的控制器12,14,以及控制输入变量设定器23,其控制控制器12,14,以防止数据预测th e预测装置22超过启动约束的极限值。
    • 10. 发明公开
    • Steam turbine power plant
    • 汽轮机动力装置
    • EP2792856A2
    • 2014-10-22
    • EP13192419.3
    • 2013-11-12
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Yashiki, TatsuroYoshida, YasuhiroYoshida, TakuyaKusumi, NaohiroYamanaka, KazunoriNomura, KenichiroTomizawa, MasaakiSuzuki, FumiyukiTakahashi, Yuichi
    • F01K13/02
    • F01D19/02F01K7/165F01K13/02F01K23/101Y02E20/16
    • Disclosed is a steam turbine power plant adapted to start operating safely even if prediction accuracy of its startup constraints cannot be obtained. This invention calculates predictive values and current values of startup constraints of a steam turbine 3 from process variables of plant physical quantities, next calculates in parallel both a first control input variable for a heat medium flow controller 15 based on the predictive values, and a second control input variable for a main steam control valve 16 based on the current values, and while preferentially selecting the first control input variable, if the first control input variable is not calculated, selects the second control input variable instead. After the selection of at least one of the first and second control input variables, the invention outputs an appropriate command value to the heat medium flow controller 15 and the main steam control valve 16 according to the kind of selected control input variable.
    • 公开了一种即使无法获得其启动限制的预测准确性也适合于开始安全操作的蒸汽轮机动力装置。 本发明根据工厂物理量的工艺变量来计算蒸汽涡轮3的起动约束的预测值和电流值,接着基于预测值并行地计算热介质流量控制器15的第一控制输入变量和第二 基于当前值控制主蒸汽控制阀16的输入变量,并且在优先选择第一控制输入变量的情况下,如果第一控制输入变量未被计算,则选择第二控制输入变量。 在选择第一和第二控制输入变量中的至少一个之后,本发明根据选择的控制输入变量的种类向热介质流量控制器15和主蒸汽控制阀16输出适当的命令值。