WO2017073554A1 - タービン分析装置、タービン分析方法およびプログラム - Google Patents

タービン分析装置、タービン分析方法およびプログラム Download PDF

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Publication number
WO2017073554A1
WO2017073554A1 PCT/JP2016/081559 JP2016081559W WO2017073554A1 WO 2017073554 A1 WO2017073554 A1 WO 2017073554A1 JP 2016081559 W JP2016081559 W JP 2016081559W WO 2017073554 A1 WO2017073554 A1 WO 2017073554A1
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WIPO (PCT)
Prior art keywords
turbine
load
time
unit
history
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.)
Ceased
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PCT/JP2016/081559
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English (en)
French (fr)
Japanese (ja)
Inventor
田中　徹
彰久 遠藤
祐介 筈井
野村　真澄
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Mitsubishi Power Ltd
Original Assignee
Mitsubishi Hitachi Power Systems Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Priority to KR1020187011880A priority Critical patent/KR20180059875A/ko
Priority to US15/771,302 priority patent/US10883427B2/en
Priority to DE112016004953.6T priority patent/DE112016004953T5/de
Priority to CN201680062564.5A priority patent/CN108350752B/zh
Priority to MX2018005094A priority patent/MX2018005094A/es
Publication of WO2017073554A1 publication Critical patent/WO2017073554A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/26—Control of fuel supply
    • F02C9/28—Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed
    • 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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/003—Arrangements for testing or measuring
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/005—Selecting particular materials
    • 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
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/14—Testing gas-turbine engines or jet-propulsion engines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • 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
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • 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
    • F05D2260/80—Diagnostics
    • 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
    • F05D2260/81—Modelling or simulation
    • 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
    • F05D2260/82—Forecasts

Definitions

  • the present invention relates to a turbine analysis device, a turbine analysis method, and a program.
  • Patent Document 1 in the rotation plan for a high-temperature gas turbine component, if the remaining life of the high-temperature component is less than the next scheduled operation period, the self-inspection timing is changed, so that the remaining time when the high-temperature component is discarded A technique for minimizing the lifetime is disclosed.
  • An object of the present invention is to provide a turbine analysis device, a turbine analysis method, and a program for appropriately managing the life of a turbine according to a load.
  • the turbine analyzer specifies a state quantity acquisition unit that acquires the state quantity of the turbine including the temperature of the turbine, and identifies a load history of the turbine based on the state quantity.
  • the load specifying unit specifies a temperature history variable indicating a temperature history of the turbine based on the state quantity
  • the load / time calculation unit calculates a relationship between the load of the turbine and the operable time when the turbine is operated at the load based on the design life of the turbine and the temperature history variable.
  • the turbine analyzer according to the first or second aspect further includes a time specifying unit that specifies a time during which the operation of the turbine should be continued, and the load / time calculating unit However, the load capable of continuing the operation of the turbine for the time specified by the time specifying unit is calculated.
  • the turbine analyzer determines whether or not the operation can be continued until a predetermined inspection time when the turbine operates at a predetermined load.
  • the availability determining unit further includes the time specifying unit specifying the time from the current time to the inspection time as the time to continue the operation of the turbine, and when the operation determining unit determines that the operation cannot be continued
  • the load / time calculation unit calculates a load capable of continuing the operation of the turbine during the time specified by the time specifying unit.
  • the turbine analyzer includes a generated power amount prediction unit that predicts the amount of power to be generated by the plurality of turbines, and the load / time calculation.
  • An operation plan generation unit that generates operation plans for the plurality of turbines based on the load calculated by the unit and the electric energy predicted by the generated electric energy prediction unit.
  • the turbine analysis device further includes a load input unit that receives an input of a load for operating the turbine, and the load / time calculation unit includes: The operable time of the turbine with the input load is calculated.
  • the turbine analysis method includes a step of acquiring a state quantity of the turbine including a temperature of the turbine, and a step of specifying a load history of the turbine based on the state quantity. And calculating a relationship between the load of the turbine and the operable time when the turbine is operated at the load based on the design life of the turbine and the identified history of the load.
  • the program specifies a history of a load of the turbine based on the state quantity acquisition unit that acquires a state quantity of the turbine including a turbine temperature, and the state quantity. And calculating the relationship between the load of the turbine and the operable time when the turbine is operated with the load based on the design life of the turbine and the history of the load specified by the load specification unit Function as a load / time calculation unit.
  • the turbine analyzer calculates the relationship between the turbine load and the operable time based on the turbine load history. Thereby, the turbine analyzer can appropriately manage the life of the turbine according to the load.
  • FIG. 1 is a schematic block diagram illustrating the configuration of the planning device according to the first embodiment.
  • the turbine analyzer 1 according to the first embodiment generates an operation plan for a plurality of turbines.
  • the turbine operation plan according to the first embodiment is information indicating a load related to the operation of each turbine.
  • the turbine analysis apparatus 1 according to the first embodiment includes a data collection unit 101, a heat balance calculation unit 102, a load specification unit 103, a remaining life storage unit 104, a remaining life calculation unit 105, an inspection time storage unit 106, and a time specification unit. 107, a drivable time calculation unit 108, a drivability determination unit 109, a load calculation unit 110, a generated power amount prediction unit 111, a driving plan generation unit 112, and an output unit 113.
  • the data collection unit 101 collects turbine operation data in real time from a power plant owned by a customer. Specifically, the data collection unit 101 collects operation data from a sensor provided in the turbine every predetermined collection period (for example, 5 minutes). The collection period is a period that is so short that the immediacy of monitoring is not lost. Examples of operational data include flow rate, pressure, temperature, vibration, and other state quantities.
  • the data collection unit 101 is an example of a state quantity acquisition unit that acquires a turbine state quantity.
  • the heat balance calculation unit 102 calculates the heat balance of the turbine based on the operation data collected by the data collection unit 101.
  • Heat balance is the temperature, pressure, enthalpy, flow rate, and other state quantities at each of the components attached to the turbine.
  • the heat balance calculation unit 102 calculates the heat balance by simulation based on the operation data. Examples of simulation methods for calculating the heat balance include FEM (Finite Element Fluid Method) and CFD (Computational Fluid Dynamics).
  • the heat balance calculation unit 102 is an example of a state quantity acquisition unit that acquires a turbine state quantity.
  • Load specifying unit 103 based on the heat balance of the heat balance calculation unit 102 has calculated, to calculate the LMP (Larson-Miller Parameter) value L c indicating a degradation amount of each component in the immediate vicinity of the collection period.
  • the LMP value L c is a parameter obtained by the following equation (1).
  • T c indicates the thermodynamic temperature of the part.
  • the thermodynamic temperature is equivalent to a value obtained by adding 273.15 to the Celsius temperature.
  • the temperature of the component is specified by the heat balance calculated by the heat balance calculation unit 102.
  • t c indicates the operating time of the turbine at the temperature T c . That is, the time t c is equal to the collection cycle by the data collection unit 101.
  • C is a constant determined by the material of the part. For example, if the material of the part is low carbon steel or chrome molybdenum steel, the constant C may be 20. For example, when the material of the component is stainless steel, the constant C may be 15.
  • the LMP value is a parameter specified from the temperature of the part and the operation time.
  • the LMP value is an example of a temperature history variable related to a temperature history applied to a part.
  • the state of the degree of creep deformation can be represented by the LMP value.
  • the LMP value is an example of a load history applied to a component.
  • the remaining life storage unit 104 stores the remaining life of each component of the turbine.
  • the remaining life of the part stored in the remaining life storage unit 104 is represented by the time until the part reaches the end of its life when the turbine operates at the rated temperature.
  • the remaining life storage unit 104 stores the design life of the part as an initial value of the remaining life of the part.
  • the remaining life calculation unit 105 calculates the remaining life of each component of the turbine based on the LMP value calculated by the load specifying unit 103 and the remaining life and rated temperature of the component stored in the remaining life storage unit 104. Specifically, the remaining life calculation unit 105 converts the operation at the rated temperature by substituting the LMP value L c and the rated temperature T s calculated by the load specifying unit 103 into the following formula (2). to calculate the consumption life t s was. Then, the remaining life calculation unit 105 calculates the remaining life by subtracting the calculated consumed life from the remaining life stored in the remaining life storage unit 104.
  • the inspection time storage unit 106 stores the inspection time of the turbine.
  • the time specifying unit 107 specifies the time from the present to the inspection time based on the inspection time stored in the inspection time storage unit.
  • the time from the present to the inspection time is an example of the time for which the operation of the turbine should be continued.
  • the operable time calculation unit 108 calculates the turbine operable time in the operation according to the current operation plan.
  • the operable time calculating unit 108 is an example of a load / time calculating unit that calculates the relationship between the load of the turbine and the operable time when the turbine is operated with the load. Specifically, the operable time calculation unit 108 substitutes the remaining life t 1 and the rated temperature T s stored in the remaining life storage unit 104 into the following equation (3), thereby calculating the LMP value L of each component. l is calculated.
  • the operable time calculation unit 108 substitutes the calculated LMP value L 1 and the temperature T p corresponding to the load indicated by the operation plan into the following equation (4), so that the operable time t p Is calculated.
  • the operation availability determination unit 109 determines that the turbine is operated at the load indicated by the operation plan based on the operation available time calculated by the operation available time calculation unit 108 and the time specified by the time specification unit 107. It is determined whether or not it can be continued for the time specified by 107.
  • the load calculation unit 110 calculates a load that allows the turbine to operate until the time specified by the time specifying unit 107.
  • the load calculation unit 110 is an example of a load / time calculation unit that calculates the relationship between the load on the turbine and the operable time when the turbine is operated with the load. Specifically load calculation unit 110 in, by substituting the LMP value L l calculated by the equation (3), and the time t i identified the time specifying unit 107, the equation (5) below And calculate the temperature T i . Then the load calculation unit 110 specifies the operating load of the turbine based on the calculated temperature T i.
  • the power generation amount prediction unit 111 acquires market power demand information via the network, and predicts the amount of power that the power plant to be managed should generate as a whole.
  • the operation plan generation unit 112 generates an operation plan indicating the turbine load based on the load calculated by the load calculation unit 110 and the prediction result of the generated power amount prediction unit 111. Specifically, the operation plan generation unit 112 loads the operation plan up to the turbine inspection time determined by the operation availability determination unit 109 to be unable to continue the operation at the load indicated by the current operation plan.
  • the calculation unit 110 determines to operate with the load calculated.
  • the operation plan generating unit 112 determines that the operation with the load indicated by the current operation plan can be continued by the operation availability determination unit 109 so as to satisfy the generated power amount predicted by the generated power amount prediction unit 111.
  • a turbine operation plan is generated.
  • the output unit 113 outputs the operation plan generated by the operation plan generation unit 112. Examples of the output format of the operation plan include display on a display, recording on a storage medium, and printing on a sheet.
  • FIG. 2 is a flowchart showing an operation for each collection period of the turbine analyzer according to the first embodiment.
  • the turbine analyzer 1 executes the following process for each collection cycle.
  • the data collection unit 101 collects turbine operation data from sensors provided in the turbine (step S1).
  • the heat balance calculation unit 102 calculates the heat balance of the turbine using the collected operation data as an input (step S2).
  • the turbine analysis device 1 selects the components incorporated in the turbine one by one, and executes the processes from step S4 to step S6 shown below for the selected components (step S3).
  • the load specifying unit 103 uses the heat balance calculated by the heat balance calculation unit 102 to calculate an LMP value indicating the load history of the selected component (step S4).
  • the remaining life calculating unit 105 calculates the consumed life converted into the operation at the rated temperature based on the LMP value calculated by the load specifying unit 103 (step S5).
  • the remaining life calculation unit 105 subtracts the calculated consumed life from the remaining life stored in the remaining life storage unit 104 (step S6). As a result, the remaining life calculation unit 105 updates the remaining life stored in the remaining life storage unit 104.
  • the turbine analyzer 1 can maintain the remaining life of each component stored in the remaining life storage unit 104 in the latest state by executing the processing from step S1 to step S6 for each collection period.
  • the turbine analyzer 1 reviews the operation plan of each power plant at a timing designated by the user or periodically. That is, when it is predicted that the turbine components will reach the end of their service life by the inspection time by operating the turbine according to the currently used operation plan, all the turbine components will be in the inspection time. The operation plan is changed so that the service life is not reached.
  • FIG. 3 is a flowchart showing operation plan generation processing by the turbine analyzer according to the first embodiment.
  • the turbine analyzer 1 selects one turbine to be reviewed for the operation plan one by one, and executes the processes from step S102 to step S106 described below for the selected turbine.
  • Step S101 the operable time calculation unit 108 reads out the remaining life associated with each component incorporated in the selected turbine from the remaining life storage unit 104 (step S102).
  • step S102 the drivable time calculation unit 108 calculates the drivable time for the operation according to the current operation plan for each component (step S103).
  • the time specifying unit 107 reads the inspection time associated with the selected turbine from the inspection time storage unit 106, and specifies the time from the present to the inspection time (step S104).
  • the driving availability determination unit 109 compares the shortest possible driving time of each component calculated by the driving time calculation unit 108 with the time specified by the time specification unit 107, and until the next inspection time. It is determined whether or not the operation according to the current operation plan is possible (step S105).
  • step S105 determines that the selected turbine can be operated according to the current operation plan until the next inspection time (step S105: YES)
  • the turbine analyzer 1 returns to step S101, Select the next turbine.
  • step S105: NO determines that the selected turbine cannot be operated in accordance with the current operation plan until the next inspection time
  • step S106 determines each component. The maximum load capable of operating the selected turbine during the time specified by the time specifying unit 107 is calculated (step S106).
  • step S107 the operation plan production
  • generation part 112 determines whether all the determination results by the drive availability determination part 109 in step S105 are YES.
  • step S107: YES the turbine analyzer 1 generates a new operation plan because there is no need to change the operation plan. The process is terminated without doing so.
  • the operation plan generation unit 112 determines the turbine that cannot be operated in accordance with the operation plan until the inspection period. During this period, an operation plan for operating with the load calculated by the load calculation unit 110 is generated (step S108).
  • the generated power amount prediction unit 111 acquires market power demand information via the network, and predicts the amount of power that should be generated by the power plant to be managed (step S109).
  • the operation plan generation unit 112 generates an operation plan for the turbine to be inspected so as to satisfy the predicted electric energy (step S110).
  • the operation plan generation unit 112 shares the generated power amount of the turbine determined to be able to operate according to the operation plan in step S105 so as to satisfy the generated power amount predicted by the generated power amount prediction unit 111. Is calculated. Then, the output unit 113 outputs the operation plan generated by the operation plan generation unit 112 (step S111).
  • the turbine analysis device 1 is based on the turbine load history and the design life of the turbine, and the relationship between the turbine load and the operable time when the turbine is operated at the load. Is calculated. Specifically, the operable time calculation unit 108 calculates the operable time of the turbine with the load indicated by the current operation plan. Further, the load calculation unit 110 calculates a load capable of continuing the operation of the turbine for the time specified by the time specifying unit 107. Thereby, the turbine analyzer 1 can appropriately manage the life of the turbine according to the load.
  • the turbine analyzer 1 when the turbine cannot continue operation until the inspection time with the load indicated by the current operation plan, the load that can continue the operation of the turbine until the inspection time. calculate. Thereby, the turbine analyzer 1 can change the operation plan so that the components do not reach the service life before the inspection time when there is a possibility that the high-temperature components may reach the service life before the inspection time.
  • the turbine analysis device 1 generates an operation plan for a plurality of turbines based on the prediction of the amount of power to be generated by the plurality of turbines. Thereby, even if the operation plan of some turbines is changed so as not to reach the end of its life, the turbine analysis device 1 allows the remaining turbines of the remaining turbines to satisfy the predicted power amount.
  • the operation plan can be changed.
  • the turbine analyzer 1 determines the operation load of each turbine.
  • the owner of a turbine sets the operation load of each turbine.
  • the turbine analyzer 1 according to the second embodiment calculates and presents the turbine operable time at the operation load input by the owner.
  • FIG. 4 is a schematic block diagram showing the configuration of the turbine analyzer according to the second embodiment.
  • the turbine analyzer 1 according to the second embodiment includes an inspection time storage unit 106, a time specifying unit 107, an operation availability determination unit 109, a load calculation unit 110, and a generated power amount prediction unit, among the configurations of the first embodiment. 111 and the operation plan generator 112 are not provided.
  • the turbine analyzer 1 according to the second embodiment further includes a load input unit 114 in addition to the configuration of the first embodiment.
  • the load input unit 114 receives an input of the turbine operation load from the owner. Based on the remaining life stored in the remaining life storage unit 104, the operable time calculation unit 108 calculates an available operation time when the turbine is operated with the operation load input to the load input unit 114. The output unit 113 outputs the drivable time calculated by the drivable time calculation unit 108.
  • FIG. 5 is a flowchart showing a process of presenting an operable time by the turbine analyzer according to the second embodiment.
  • FIG. 6 is a diagram illustrating a first example of a display screen of a possible operation time output by the turbine analyzer according to the second embodiment.
  • the output unit 113 displays a presentation screen D ⁇ b> 1 that presents the drivable time when the load is 100% based on the remaining life read by the drivable time calculator 108 as an initial screen.
  • the data is output to the display (step S202).
  • the presentation screen D1 is a screen including a drivable time bar D110 and a load bar D120.
  • the drivable time bar D110 is an indicator that indicates the drivable time according to its length. The longer the operable time of the turbine, the longer the operable time bar D110. On the other hand, the shorter the operable time of the turbine, the shorter the operable time bar D110.
  • the load bar D120 is a slider that receives an input of the turbine operating load.
  • the load bar D120 includes a handle D121 and a track D122. An arbitrary load can be selected by dragging and dropping the handle D121 on the track D122.
  • a track D122 represents a movable range of the handle D121.
  • the load input unit 114 receives an input of a load by receiving an operation of the handle D121 of the load bar D120 from the owner (step S203).
  • the operable time calculation unit 108 calculates the operable time when the turbine is operated with the load input to the load input unit 114 based on the remaining life read in step S201 (step S204).
  • the LMP value L 1 is calculated by substituting the remaining life t 1 and the rated temperature T s read in step S201 into the above-described equation (3), and the above-described equation (4) is calculated.
  • the temperature T p corresponding to the type is calculated LMP value L l to the load input portion 114 loads, calculates the operable time t p.
  • FIG. 7 is a diagram illustrating a second example of an operation possible time presentation screen output by the turbine analyzer according to the second embodiment.
  • the output unit 113 outputs a presentation screen D1 that presents the drivable time calculated by the drivable time calculation unit 108 to the display (step S205).
  • the length of the operable time bar D110 becomes longer than that presented in step S202.
  • the drivable time bar D110 displays the increment from the drivable time presented in step S202 in a different manner (for example, color, pattern, etc.). For example, as shown in FIG.
  • the load input unit 114 determines whether or not there is a further operation load input from the user (step S206).
  • step S206: YES the turbine analyzer 1 returns the process to step S204 and recalculates the operation possible time.
  • step S206: NO the turbine analyzer 1 ends the process.
  • the turbine analysis device 1 receives an input of a turbine load, and calculates an operable time when the turbine is operated at the load. Thereby, the turbine analyzer 1 can present the operating time when the turbine load is changed to the owner.
  • the turbine analyzer 1 determines whether or not the component will reach the end of its life due to creep deformation by using LMP, which is a temperature history variable indicating the temperature history applied to the turbine. I can't.
  • LMP which is a temperature history variable indicating the temperature history applied to the turbine.
  • other temperature history variables may be used to determine whether a part will reach end of life.
  • the turbine analysis apparatus 1 may determine whether or not a component reaches the end of its life due to low cycle fatigue by using a temperature history variable indicating a relationship between the temperature and the number of cycles.
  • the turbine analysis apparatus 1 may determine whether or not a part reaches the end of its life based on a plurality of deterioration causes such as creep deformation and low cycle fatigue using a plurality of temperature history variables. Good.
  • the turbine analyzer 1 may calculate the consumption life using the load history specified by the turbine inlet temperature (T1T), the load factor, the power generation amount, or other state quantities. .
  • the turbine analyzer 1 calculates the operable time of the entire turbine based on the remaining life of each component constituting the turbine, but is not limited thereto.
  • the turbine analyzer 1 may calculate the remaining life of the entire turbine directly based on the design life of the entire turbine without calculating the remaining life for each part.
  • the load specifying unit 103 performs the calculation based on the heat balance calculated by the heat balance calculating unit 102, but is not limited thereto.
  • the load identification unit 103 may perform calculation based on the operation data collected by the data collection unit 101.
  • the turbine analysis device 1 may not include the heat balance calculation unit 102.
  • FIG. 8 is a schematic block diagram illustrating a configuration of a computer according to at least one embodiment.
  • the computer 900 includes a CPU 901, a main storage device 902, an auxiliary storage device 903, and an interface 904.
  • the turbine analysis apparatus 1 described above is mounted on a computer 900.
  • the operation of each processing unit described above is stored in the auxiliary storage device 903 in the form of a program.
  • the CPU 901 reads a program from the auxiliary storage device 903, develops it in the main storage device 902, and executes the above processing according to the program. Further, the CPU 901 secures a storage area corresponding to each of the above-described storage units in the main storage device 902 according to the program.
  • the auxiliary storage device 903 is an example of a tangible medium that is not temporary.
  • Other examples of the non-temporary tangible medium include a magnetic disk, a magneto-optical disk, a CD-ROM, a DVD-ROM, and a semiconductor memory connected via the interface 904.
  • the program may be for realizing a part of the functions described above. Further, the program may be a so-called difference file (difference program) that realizes the above-described function in combination with another program already stored in the auxiliary storage device 903.
  • difference file difference program
  • the turbine analyzer calculates the relationship between the turbine load and the operable time based on the turbine load history. Thereby, the turbine analyzer can appropriately manage the life of the turbine according to the load.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Control Of Turbines (AREA)
PCT/JP2016/081559 2015-10-28 2016-10-25 タービン分析装置、タービン分析方法およびプログラム Ceased WO2017073554A1 (ja)

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KR1020187011880A KR20180059875A (ko) 2015-10-28 2016-10-25 터빈 분석 장치, 터빈 분석 방법 및 프로그램
US15/771,302 US10883427B2 (en) 2015-10-28 2016-10-25 Turbine analysis device, turbine analysis method, and program
DE112016004953.6T DE112016004953T5 (de) 2015-10-28 2016-10-25 Turbinenanalysevorrichtung, turbinenanalyseverfahren und programm
CN201680062564.5A CN108350752B (zh) 2015-10-28 2016-10-25 涡轮机分析装置及分析方法、以及计算机可读取记录介质
MX2018005094A MX2018005094A (es) 2015-10-28 2016-10-25 Dispositivo de analisis de turbina, metodo de analisis de turbina, y programa.

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US20180328290A1 (en) 2018-11-15
US10883427B2 (en) 2021-01-05
CN108350752B (zh) 2020-09-22
JP2017082681A (ja) 2017-05-18
MX2018005094A (es) 2018-08-15
JP6792939B2 (ja) 2020-12-02
CN108350752A (zh) 2018-07-31
DE112016004953T5 (de) 2018-07-19

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