CN107923317A - 用于联接两个子轴的方法 - Google Patents
用于联接两个子轴的方法 Download PDFInfo
- Publication number
- CN107923317A CN107923317A CN201680047729.1A CN201680047729A CN107923317A CN 107923317 A CN107923317 A CN 107923317A CN 201680047729 A CN201680047729 A CN 201680047729A CN 107923317 A CN107923317 A CN 107923317A
- Authority
- CN
- China
- Prior art keywords
- axis
- sub
- mains frequency
- acceleration
- fluid machinery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000008878 coupling Effects 0.000 title description 3
- 238000010168 coupling process Methods 0.000 title description 3
- 238000005859 coupling reaction Methods 0.000 title description 3
- 230000001133 acceleration Effects 0.000 claims abstract description 42
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 2
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/02—Plural gas-turbine plants having a common power output
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D13/00—Combinations of two or more machines or engines
- F01D13/003—Combinations of two or more machines or engines with at least two independent shafts, i.e. cross-compound
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/72—Application in combination with a steam turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/40—Transmission of power
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/85—Starting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/02—Purpose of the control system to control rotational speed (n)
- F05D2270/023—Purpose of the control system to control rotational speed (n) of different spools or shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/304—Spool rotational speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/22—Vibration damping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/302—Signal inputs from the actuator
- F16D2500/3021—Angle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/302—Signal inputs from the actuator
- F16D2500/3022—Current
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/3041—Signal inputs from the clutch from the input shaft
- F16D2500/30415—Speed of the input shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/3042—Signal inputs from the clutch from the output shaft
- F16D2500/30426—Speed of the output shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/308—Signal inputs from the transmission
- F16D2500/3081—Signal inputs from the transmission from the input shaft
- F16D2500/30816—Speed of the input shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/308—Signal inputs from the transmission
- F16D2500/3081—Signal inputs from the transmission from the input shaft
- F16D2500/30816—Speed of the input shaft
- F16D2500/30818—Speed change rate of the input shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/308—Signal inputs from the transmission
- F16D2500/3082—Signal inputs from the transmission from the output shaft
- F16D2500/30825—Speed of the output shaft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Turbines (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
本发明涉及一种用于借助于超越离合器将第一子轴与第二子轴联接的方法,所述第一子轴具有第一流体机械和连接到电网上的发电机,所述第二子轴具有第二流体机械,所述方法具有如下步骤:a)使第二子轴以初始转速旋转,所述初始转速低于第一子轴的转速;b)测量电网的电网频率(2);c)测量在第一子轴和第二子轴之间的角度差;d)将第二子轴以如下加速度值加速,使得超越离合器将这两个子轴在预先确定的目标联接角下彼此联接,所述加速度值利用在步骤b)中测量到的电网频率(2)、角度差和初始转速得出。
Description
技术领域
一种例如在发电站中的具有流体机械的轴系能够在轴系旋转时激发振动。然而,轴系的振动是不利的,因为所述振动缩短轴系的使用寿命。
背景技术
轴系能够借助于离合器分为子轴,其中子轴能够在断开的状态中彼此独立地旋转并且在联接的状态中一起旋转。例如,子轴能够具有燃气轮机,借助于所述燃气轮机的废热驱动另一子轴的蒸汽轮机。在启动燃气轮机时还未提供足以驱动蒸汽轮机的废热。为了禁止在蒸汽轮机内的通风,通常当具有蒸汽轮机的子轴加速至具有燃气轮机的子轴的转速时,才将两个子轴彼此联接。同样,例如能够在蒸汽热电厂中将分别具有蒸汽轮机的两个子轴借助于离合器联接和断开。在提取大量的蒸汽用于蒸汽热电厂的放热的时能够将子轴断开,使得两个蒸汽轮机中的一个无需由蒸汽穿流。
已证实的是,轴系的振动行为与两个子轴的联接角相关。通常,多次断开和联接两个子轴直至出现具有小的振动负荷的期望的目标联接角。然而,在此仅偶然地并且对此也仅以小的准确性达到期望的目标联接角。
发明内容
因此,客观的技术目的是,提出一种用于联接两个子轴的方法,其中可靠地且以高的准确性达到两个子轴的期望的目标联接角。
根据本发明的用于借助于超越离合器联接第一子轴与第二子轴的方法,其中第一子轴具有第一流体机械和连接到电网上的发电机,而第二子轴具有第二流体机械,具有如下步骤:a)使第二子轴以初始转速旋转,所述初始转速低于第一子轴的转速;b)测量电网的电网频率;c)测量在第一子轴和第二子轴之间的角度差;d)将第二子轴以如下加速度值加速,使得超越离合器将这两个子轴在预先确定的目标联接角下彼此联接,所述加速度值利用在步骤b)中测量到的电网频率、角度差和初始转速得出。
当在步骤d)中第二子轴加速到高于第一子轴的转速时,借助于超越离合器进行两个子轴的联接。借助于根据本发明的方法能够有利地可靠地并且以高的准确性达到预先确定的目标联接角。目标联接角在此预先确定为,使得在联接的子轴的运行中,振动是尽可能小的。为此,例如能够针对不同的目标联接角通过计算确定振动,尤其借助于有限元法,并且然后选择出现两个联接的子轴的最小应力负载的目标联接角。同样可考虑的是,在目标联接角不同时根据经验确定振动并且从经验数据中选择出现最小应力负载的那个目标联接角。
优选地,所述方法具有如下步骤:e)在第二子轴加速期间测量新的电网频率;f)在新的电网频率与在步骤b)中测量到的电网频率不同的情况下,第二子轴以改变的加速度值加速,利用新的电网频率得出所述加速度值。由此,能够有利地补偿电网频率的波动进而有利地补偿第一子轴的转速的波动,所述波动在联接两个子轴期间出现,由此能够以特别高的准确性达到预先确定的目标联接角。为了确定改变的加速度值,除了新的电网频率外还能够考虑在如下时间点存在的第二子轴的转速和新的角度差,在该时间点测量到新的电网频率。对于第二子轴的转速例如能够使用第二子轴的测量到的转速或第二子轴的转速调节装置的给定值。优选的是,所述方法具有如下步骤:g)至少重复步骤e)和f)一次,尤其连续地重复步骤e)和f)。由此还能够进一步提高达到预先确定的目标联接角的准确性。
优选的是,电测量电网频率和/或通过测量第一子系的转速测量电网频率。特别地,电测量是用于测量电网频率的简单的方法。
所述方法优选具有如下步骤:b1)形成在电网频率和给定电网频率之间的差;c1)利用角度差、初始转速和给定电网频率确定加速度初始值;其中在步骤d)中利用加速度初始值和所述差确定加速度值。通过这些方法步骤针对电网频率不偏离给定电网频率的情况计算加速度初始值。通过形成所述差能特别容易地发现电网频率与给定电网频率的偏差。所述偏差能够利用所述差来修正,这有利地是简单的且低计算耗费的方法。
替选地,优选的是,只要在步骤c)中测量到的角度差等于给定角度差,就执行步骤d)。因此,第二子轴被置于初始转速下直至出现给定角度差。优选地,随后执行具有如下步骤的方法:b1)形成在电网频率和给定电网频率之间的差;c1)利用给定角度差、初始转速和给定电网频率确定加速度初始值;其中在步骤d)中利用加速度初始值和所述差确定加速度值。因为针对给定角度差仅计算一次加速度值,所以这是在计算方面特别简单的方法。
优选的是,将初始转速和加速度值作为给定值输入到第二子轴的转速调节装置中。优选的是,第一流体机械是燃气轮机,而第二流体机械是蒸汽轮机。替选地,优选的是,第一流体机械是蒸汽轮机并且第二流体机械是蒸汽轮机。
附图说明
下面根据所附的示意图详细阐述本发明。附图示出用于执行方法的逻辑图。
具体实施方式
在所述方法中,将第一子轴与第二子轴联接,所述第一子轴具有第一流体机械和连接到电网上的发电机,所述第二子轴具有第二流体机械。为了联接,使用超越离合器,当第二子轴加速到转速高于第一子轴的转速时,所述超越离合器将两个子轴彼此联接。例如,第一流体机械能够是燃气轮机而第二流体机械能够是蒸汽轮机。在另一实例中,第一流体机械能够是蒸汽轮机并且第二流体机械能够是蒸汽轮机。同样可考虑的是,第一子轴具有多个流体机械和/或第二子轴具有多个流体机械。
为了说明所述方法,在图中示出用于执行方法的逻辑图1。首先,第二子轴以初始转速旋转,所述初始转速低于第一子轴的转速。初始转速能够低于给定电网频率大约0.5Hz至1.5Hz,尤其0.9Hz至1.1Hz。由此确保,即使在第一子轴的转速典型地出现波动时,第二子轴在初始转速下也比第一子轴更慢。给定电网频率3例如为50Hz或60Hz。初始转速能够作为给定值输入到第二子轴的转速调节装置9中。
如从图中清楚可见,测量电网的电网频率2。这能够电进行或通过测量第一子轴的转速进行。接着,形成在电网的电网频率2和给定电网频率3之间的差4。所述差4在处理步骤5中进一步被处理。例如,执行差的定标、偏移或积分。
此外,确定加速度初始值6,利用初始转速和给定电网频率得出所述加速度初始值。利用加速度初始值6计算转速给定值。为了确定转速给定值,还使用加速开始时间点的持续时间。为了找到与第二子轴的加速相匹配的加速开始时间点,能够将第二子轴保持在初始转速,直至角度差等于给定角度差。在此情况下,为了确定加速度初始值6,也考虑给定角度差。替选地,第二子轴能够在任意加速开始时间点加速。在此情况下,为了确定加速度初始值6,也考虑在任意时间点测量到的角度差。
加速度初始值6例如能够根据经验确定。为此,能够以时间分辨的方式测量在联接过程中在第一子轴和第二子轴之间掠过的角度以及电网频率。从在联接过程期间产生的、电网频率与给定电网频率的偏差和掠过的角度中能够推出加速度初始值6。
转速给定值在修正步骤7中,以在处理步骤5中处理的差进行修正,由此得到修正的转速给定值8。例如,在处理步骤5中能够将差与系数1相乘并且在修正步骤7中将差与转速给定值相加,由此形成修正的转速给定值8。这例如能够连续地进行。将修正的转速给定值8作为给定值输入到第二子轴的转速调节装置9中,使得第二子轴加速并且两个子轴彼此联接。
可考虑的是,在第二子轴加速期间测量新的电网频率。在新的电网频率与之前测量到的电网频率不同的情况下,第二子轴以改变的加速度值加速,利用新的电网频率得出所述改变的加速度值。此外,考虑第二子轴在如下时间点存在的转速和新的角度差,在该时间点测量到新的电网频率。对于转速能够考虑来自转速调节装置中的给定转速或测量到的转速。还可考虑的是,多次在第二子轴加速时或连续地在第二子轴加速时实施上述步骤。
尽管通过优选的实施例详细阐述和描述本发明的细节,但是本发明不局限于公开的实例并且从中能够由本领域技术人员推导出其他变型方案,而不脱离本发明的保护范围。
Claims (9)
1.一种用于借助于超越离合器将第一子轴与第二子轴联接的方法,所述第一子轴具有第一流体机械和连接到电网上的发电机,所述第二子轴具有第二流体机械,所述方法具有如下步骤:
a)使所述第二子轴以初始转速旋转,所述初始转速低于所述第一子轴的转速;
b)测量所述电网的电网频率(2);
c)测量在所述第一子轴和所述第二子轴之间的角度差;
d)将所述第二子轴以如下加速度值加速,使得所述超越离合器将这两个子轴在预先确定的目标联接角下彼此联接,所述加速度值利用在步骤b)中测量出的所述电网频率(2)、所述角度差和所述初始转速得出;
e)在所述第二子轴加速期间测量新的电网频率;
f)在所述新的电网频率与在步骤b)中测量到的电网频率不同的情况下,使所述第二子轴以改变的加速度值加速,所述改变的加速度值利用所述新的电网频率得出。
2.根据权利要求1所述的方法,
所述方法具有如下步骤:
g)重复步骤e)和f)至少一次,尤其连续地重复步骤e)和f)。
3.根据权利要求1或2所述的方法,
其中电测量所述电网频率(2)和/或通过测量所述第一子系的转速测量所述电网频率(2)。
4.根据权利要求1至3中任一项所述的方法,所述方法具有如下步骤:
b1)形成在所述电网频率(2)和给定电网频率(3)之间的差(4);
c1)利用所述角度差、所述初始转速和所述给定电网频率确定加速度初始值(6);
其中在步骤d)中利用所述加速度初始值(6)和所述差(4)确定所述加速度值。
5.根据权利要求1至3中任一项所述的方法,
其中只要在步骤c)中测量到的角度差等于所述给定角度差,就执行步骤d)。
6.根据权利要求5所述的方法,所述方法具有如下步骤:
b1)形成在所述电网频率(2)和给定电网频率(3)之间的差(4);
c1)利用所述给定角度差、所述初始转速和所述给定电网频率确定加速度初始值(6);
其中在步骤d)中利用所述加速度初始值(6)和所述差确定所述加速度值。
7.根据权利要求1至6中任一项所述的方法,
其中将所述初始转速和所述加速度值作为给定值输入到所述第二子轴的转速调节装置中。
8.根据权利要求1至7中任一项所述的方法,
其中所述第一流体机械是燃气轮机并且所述第二流体机械是蒸汽轮机。
9.根据权利要求1至7中任一项所述的方法,
其中所述第一流体机械是蒸汽轮机并且所述第二流体机械是蒸汽轮机。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15181087.6A EP3130780A1 (de) | 2015-08-14 | 2015-08-14 | Verfahren zum kuppeln von zwei teilwellen |
EP15181087.6 | 2015-08-14 | ||
PCT/EP2016/065293 WO2017029007A1 (de) | 2015-08-14 | 2016-06-30 | Verfahren zum kuppeln von zwei teilwellen |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107923317A true CN107923317A (zh) | 2018-04-17 |
CN107923317B CN107923317B (zh) | 2019-08-16 |
Family
ID=53871938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680047729.1A Expired - Fee Related CN107923317B (zh) | 2015-08-14 | 2016-06-30 | 用于联接两个子轴的方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10480405B2 (zh) |
EP (2) | EP3130780A1 (zh) |
JP (1) | JP6609691B2 (zh) |
KR (1) | KR101979165B1 (zh) |
CN (1) | CN107923317B (zh) |
RU (1) | RU2674864C1 (zh) |
WO (1) | WO2017029007A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3246538A1 (de) * | 2016-05-18 | 2017-11-22 | Siemens Aktiengesellschaft | Verfahren zum kuppeln einer dampfturbine und einer gasturbine mit einem gewünschten differenzwinkel unter nutzung einer sollbeschleunigung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1503047A1 (en) * | 2003-08-01 | 2005-02-02 | Hitachi, Ltd. | Single shaft combined cycle power plant and its operation method |
EP1911939A1 (de) * | 2006-10-09 | 2008-04-16 | Siemens Aktiengesellschaft | Zielwinkelgeregelter Einkuppelvorgang |
EP2813675A1 (de) * | 2013-06-14 | 2014-12-17 | Siemens Aktiengesellschaft | Verfahren zum Kuppeln einer Dampfturbine und einer Gasturbine mit einem gewünschten Differenzwinkel |
US20150059347A1 (en) * | 2013-08-27 | 2015-03-05 | Peter Jon Clayton | Method for controlling coupling between a first machine and a second machine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4204401A (en) * | 1976-07-19 | 1980-05-27 | The Hydragon Corporation | Turbine engine with exhaust gas recirculation |
JP3278452B2 (ja) | 1992-04-01 | 2002-04-30 | 株式会社東芝 | 回転体連結部の調整支援装置 |
US20030182944A1 (en) * | 2002-04-02 | 2003-10-02 | Hoffman John S. | Highly supercharged gas-turbine generating system |
EP1795725B1 (de) * | 2005-10-12 | 2011-01-19 | Alstom Technology Ltd | Gasturbine mit geregelter Luftkühlung |
DE102007007913A1 (de) | 2007-02-14 | 2008-08-21 | Alstom Technology Ltd. | Verfahren zum Betrieb einer Kraftwerksanlage |
EP2450535A1 (de) | 2008-06-27 | 2012-05-09 | Alstom Technology Ltd | Verfahren zur Primärregelung einer kombinierten Gas- und Dampfturbinenanlage |
DE102008062588B4 (de) | 2008-12-16 | 2010-11-25 | Siemens Aktiengesellschaft | Verfahren zur Stabilisierung der Netzfrequenz eines elektrischen Stromnetzes |
EP2757230A1 (en) * | 2013-01-16 | 2014-07-23 | Alstom Technology Ltd | Method for barring a rotor of a turbomachine and barring apparatus for conducting such method |
-
2015
- 2015-08-14 EP EP15181087.6A patent/EP3130780A1/de not_active Withdrawn
-
2016
- 2016-06-30 KR KR1020187006835A patent/KR101979165B1/ko active IP Right Grant
- 2016-06-30 EP EP16736026.2A patent/EP3303801B1/de not_active Not-in-force
- 2016-06-30 US US15/750,594 patent/US10480405B2/en not_active Expired - Fee Related
- 2016-06-30 RU RU2018106111A patent/RU2674864C1/ru active
- 2016-06-30 CN CN201680047729.1A patent/CN107923317B/zh not_active Expired - Fee Related
- 2016-06-30 JP JP2018507502A patent/JP6609691B2/ja not_active Expired - Fee Related
- 2016-06-30 WO PCT/EP2016/065293 patent/WO2017029007A1/de active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1503047A1 (en) * | 2003-08-01 | 2005-02-02 | Hitachi, Ltd. | Single shaft combined cycle power plant and its operation method |
EP1911939A1 (de) * | 2006-10-09 | 2008-04-16 | Siemens Aktiengesellschaft | Zielwinkelgeregelter Einkuppelvorgang |
EP2813675A1 (de) * | 2013-06-14 | 2014-12-17 | Siemens Aktiengesellschaft | Verfahren zum Kuppeln einer Dampfturbine und einer Gasturbine mit einem gewünschten Differenzwinkel |
CN105308273A (zh) * | 2013-06-14 | 2016-02-03 | 西门子公司 | 用于以期望的角度差值联接蒸汽轮机和燃气轮机的方法 |
US20150059347A1 (en) * | 2013-08-27 | 2015-03-05 | Peter Jon Clayton | Method for controlling coupling between a first machine and a second machine |
Also Published As
Publication number | Publication date |
---|---|
EP3303801A1 (de) | 2018-04-11 |
KR101979165B1 (ko) | 2019-05-15 |
RU2674864C1 (ru) | 2018-12-13 |
US10480405B2 (en) | 2019-11-19 |
EP3303801B1 (de) | 2019-06-19 |
CN107923317B (zh) | 2019-08-16 |
EP3130780A1 (de) | 2017-02-15 |
KR20180038530A (ko) | 2018-04-16 |
JP6609691B2 (ja) | 2019-11-20 |
JP2018529873A (ja) | 2018-10-11 |
WO2017029007A1 (de) | 2017-02-23 |
US20190010865A1 (en) | 2019-01-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2423659B1 (en) | Methods and systems for assessing residual life of turbomachine airfoils | |
CN105737881B (zh) | 一种电子设备加速可靠性增长试验方法 | |
CN104179643B (zh) | 用于增速箱与发电机之间的自动对中调节装置及其对中方法 | |
CN105308273A (zh) | 用于以期望的角度差值联接蒸汽轮机和燃气轮机的方法 | |
CN103983412A (zh) | 用于振动有限元模型修正航空电子设备工作模态测量方法 | |
CN107923317B (zh) | 用于联接两个子轴的方法 | |
US9243970B2 (en) | Method and system for integrating gas turbine trim balancing system into electronic engine controls | |
KR101949622B1 (ko) | 샤프트 트레인을 가지는 기계 플랜트를 작동하기 위한 방법 | |
US9500136B2 (en) | Systems and methods for generating variable ramp rates for turbomachinery | |
CN109154209B (zh) | 以期望的角度差利用理论加速度将蒸汽轮机与燃气轮机联轴的方法 | |
CN104483119A (zh) | 一种用于获得发动机转子叶片振动应力的方法 | |
CN112623143B (zh) | 一种基于动力学的船舶动力轴系扭振疲劳参数拟合方法 | |
RU2442126C2 (ru) | Способ контроля технического состояния газотурбинного двигателя | |
JP2019513937A (ja) | ターボ機械トレインおよびターボ機械トレインの連結方法 | |
RU2522275C2 (ru) | Способ определения технического состояния энергетического объекта | |
KR101894650B1 (ko) | 증기 터빈 작동 방법 | |
CN107086607A (zh) | 发电机控制装置和方法 | |
KR101638141B1 (ko) | 풍력발전단지의 유효전력 제어를 위한 시스템 | |
CN114396320B (zh) | 核电汽轮机的动叶片的动强度与振动的安全监控方法 | |
Bessone et al. | Simplified method to evaluate the “under platform” damper effects on turbine blade eigenfrequencies supported by experimental test | |
CN106777713B (zh) | 一种风机运输支架强度的计算方法 | |
CN107304715A (zh) | 一种燃气轮机启动控制装置及方法 | |
Jun et al. | Combined static and dynamic optimization of a turbine disk | |
CN114483221A (zh) | 核电汽轮机转子与轴承系统的轴系振动在线安全监控方法 | |
CN115263678A (zh) | 一种运行风电机组传动链扫频方法及系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 |