US20150082791A1 - Steam turbine system with steam turbine clutch - Google Patents

Steam turbine system with steam turbine clutch Download PDF

Info

Publication number
US20150082791A1
US20150082791A1 US14/038,210 US201314038210A US2015082791A1 US 20150082791 A1 US20150082791 A1 US 20150082791A1 US 201314038210 A US201314038210 A US 201314038210A US 2015082791 A1 US2015082791 A1 US 2015082791A1
Authority
US
United States
Prior art keywords
high pressure
pressure section
steam
clutching device
steam turbine
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.)
Abandoned
Application number
US14/038,210
Other languages
English (en)
Inventor
Colin Scott Riley
Tad Russel Ripley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to US14/038,210 priority Critical patent/US20150082791A1/en
Assigned to GENERAL ELECTRIC COMPANY reassignment GENERAL ELECTRIC COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: RILEY, COLIN SCOTT, RIPLEY, TAD RUSSEL
Priority to DE102014113328.5A priority patent/DE102014113328A1/de
Priority to CH01424/14A priority patent/CH708647A2/de
Priority to JP2014192073A priority patent/JP2015068339A/ja
Priority to CN201410505248.3A priority patent/CN104514584A/zh
Publication of US20150082791A1 publication Critical patent/US20150082791A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/18—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbine being of multiple-inlet-pressure type
    • F01K7/20—Control means specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/165—Controlling means specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or starting
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

Definitions

  • the disclosure relates generally to a steam turbine including a clutch for engaging or disengaging one or more high pressure sections from a power generator of the steam turbine, depending on a mode of operation.
  • temperature changes associated with switching back and forth between a high pressure and high temperature steam to a low pressure and low temperature steam may cause thermal stress and thermal growth to components of the steam turbine.
  • Embodiments of the invention disclosed herein may include a steam turbine system comprising: a steam generator coupled to a high pressure section and a low pressure section; a first portion of a drive shaft coupled to the high pressure section; a clutching device for releasably coupling to a power generator coupled to the first portion of the drive shaft; and a second portion of the drive shaft for coupling to the power generator coupled to the low pressure section.
  • Embodiments of the invention may also include a method of operating a steam turbine system, the method comprising: delivering steam from a steam generator to at least one of a high pressure section and a low pressure section; engaging or disengaging, by a controller, a clutching device which is releasably coupled to a power generator via a first portion of a drive shaft from the high pressure section; and supplying power to the power generator via a second portion of the drive shaft which is coupled to the power generator from the low pressure section
  • FIG. 1 shows an illustrative steam turbine system in a conventional configuration according to the prior art.
  • FIG. 2 shows an illustrative steam turbine with a steam turbine clutch engaged according to some embodiments of the invention.
  • FIG. 3 shows an illustrative steam turbine with a steam turbine clutch disengaged according to some embodiments of the invention.
  • FIG. 4 shows an illustrative concentrated solar power system including the steam turbine system according to some embodiments of the invention.
  • a steam turbine system including a steam turbine clutching device for disengaging a high pressure section from a power generator during low energy supply operation.
  • a steam generator 110 would provide steam to a high pressure section 120 of steam turbine system 100 .
  • the steam would expand within high pressure section 120 and exhaust from high pressure section 120 and would then pass to low pressure section 130 .
  • low pressure section 130 the steam would again expand, exhausting to the condenser 140 .
  • a first portion of a drive shaft 150 from high pressure section 120 and a second portion of the drive shaft 155 from low pressure section 130 would always provide shaft power to a power generator 160 .
  • high pressure section 120 and low pressure section 130 are both engineered to work with both high energy steam and low energy steam.
  • these sections cannot be optimized for both operating condition.
  • steam turbine system 200 for power generation with a steam turbine clutching mechanism.
  • steam turbine system 200 includes, similar to the prior art, a steam generator 210 .
  • Steam generator 210 is still coupled to a high pressure section 220 , however steam generator 210 is also coupled to a low pressure section 230 via a system of pipes which may include valves, which will be described with more detail below.
  • a steam turbine system 200 is demonstrated in FIG. 2 with only two sections, embodiments of the disclosure can be utilized with any multiple numbers of coupled sections.
  • a condenser 240 is coupled to low pressure section 230 . Any known condenser for a steam turbine may be utilized.
  • high pressure section 220 is coupled to a first portion of a drive shaft 250 , which is also coupled to a steam turbine clutch, or a clutching device 270 , which is releasably coupled to a power generator 260 .
  • Clutching device 270 may include any known clutch. However, by example, clutching device 270 may include a single or multiple plate dry clutch, a wet clutch, or any planetary clutch.
  • low pressure section 230 is coupled to a second portion of the drive shaft 255 which is coupled to power generator 260 also.
  • Releasably coupled indicates that clutching device 270 may be engaged in one position, or disengaged in a second position, from power generator 260 , both while still being coupled to power generator 260 , the function of which is further described below. While embodiments of the invention are described including a single drive shaft with two portions 250 and 255 , with clutching device 270 releasably coupled between first portion of the drive shaft 250 and power generator 260 , thus second portion of drive shaft 255 between clutching device 270 and coupled to low pressure section 230 and power generator 260 , this is only illustrative. It should be understood that instead of portions of the drive shaft 250 and 255 , two separate drive shafts may be utilized, or more if more than high pressure section 220 and low pressure section 230 are utilized.
  • clutching device 270 allows for steam turbine system 200 to be efficiently utilized for different modes of operations. For instance, when clutching device 220 is engaged, first portion of the drive shaft 250 supplies shaft power from high pressure section 220 to power generator 260 . However, when clutching device 270 is disengaged, first portion of the drive shaft 250 does not supply power from high pressure section 220 to power generator 260 . However, in both instances, second portion of the drive shaft 255 can provide shaft power to power generator 260 from low pressure section 230 .
  • Clutching device 270 can be useful in a number of embodiments.
  • clutching device 270 may be engaged during a period of higher energy output from steam turbine system 200 , referred to as a high energy operating condition.
  • a high energy operating condition can consist of a period of high pressure steam, high temperature steam, or a combination thereof.
  • High energy operating conditions may include temperature ranges of approximately 370° C. to approximately 600° C. and a pressure range of approximately 6,895 kPa (1000 PSI) to approximately 20,684 kPa (3000 PSI), or approximately 6,895 kPa (1000 PSI) to approximately 13,790 kPa (2000 PSI).
  • clutching device 270 may be disengaged during a period of lower energy output from steam turbine system 200 , referred to as a low energy operating condition.
  • a low energy operating condition may include a period of low pressure steam, low temperature steam, or some combination thereof.
  • Low energy operating conditions may include temperature ranges of approximately 100° C. to approximately 300° C. and a pressure range of approximately 414 kPa (60 PSI) to approximately 5,516 kPa (800 PSI), or approximately 689 kPa (100 PSI) to approximately 2,413 kPa (350 PSI).
  • both high pressure section 220 and low pressure section 230 can be optimized for the proper operating conditions of each instance. For instance, since high pressure section 220 , in some embodiments, may not be exposed to any low energy steam, advanced performance features may be integrated into this section and moisture removal systems may not need to be installed. This can provide a boost in the energy conversion efficiency of high pressure section 220 . Further, low pressure section 230 can be further optimized for the handling of low energy steam. Another feature of the current disclosure is that rapid temperature changes that may occur during changes between high energy and low energy conditions can be obviated in high pressure section 220 by moving low energy steam directly to low pressure section 230 , which will usually already exist at comparable temperatures to the low energy steam.
  • steam turbine system 200 may further include a system of valves to assist in the operation of clutching device 270 .
  • steam turbine system 200 may include a high pressure throttle valve 280 located between steam generator 210 and high pressure section 220 , a high pressure bypass valve 285 located between steam generator 210 and low pressure section 230 , and a low pressure throttle valve 290 between high pressure section 220 and low pressure section 230 .
  • the system of valves can further aid in the redirection of steam during different operating conditions.
  • high pressure throttle valve 280 and low pressure throttle valve 290 are both open, as indicated by the darkened valves, while clutching device 270 is engaged.
  • High pressure bypass valve 285 is accordingly closed, as indicated by the white valve, so as not to bypass high pressure section 220 .
  • steam will be allowed to flow from steam generator 210 to high pressure section 220 and then to low pressure section 230 .
  • High pressure bypass valve 285 is open so as to bypass high pressure section 220 .
  • steam can bypass high pressure section 230 from steam generator 210 and proceed directly to low pressure section 230 . This, as described above, can be useful during a low energy operating condition to reduce strain on or damage to high pressure section 220 .
  • first portion of the drive shaft 250 supplies power from high pressure section 220 to power generator 260 .
  • first portion of the drive shaft 250 does not supply power from high pressure section 220 to power generator 260 .
  • second portion of the drive shaft 255 can provide shaft power to power generator 260 from low pressure section 230 .
  • steam turbine system 200 may include a controller 295 coupled to steam turbine system 200 .
  • Controller 295 may be connected directly to steam generator 210 , as illustrated.
  • controller 295 may be connected to any portion of steam turbine system 200 , including being hardwired directly into the system logic, which is not illustrated.
  • the method can be implemented using controller 295 .
  • Controller 295 may be automated, wherein it is capable of detecting an operating condition of steam turbine system 200 and adjusting accordingly.
  • Controller 295 may also be programmable, such that it is programmed to run steam turbine system 200 at certain conditions based on many factors, such as time of day, current season, month, or year, average temperatures, or any other variables that may affect operating conditions of steam turbine system 200 .
  • the method may include delivering steam from steam generator 210 .
  • Any known type of steam turbine system 200 with a steam generator 210 may be used.
  • the steam is then sent to at least one of high pressure section 220 and low pressure section 230 .
  • the steam can be sent to sections 220 and 230 via any known mechanism, including but not limited to pipes typically fitted within steam turbine system 200 .
  • the steam expands through low pressure section 230 alone, or also through high pressure section 220 .
  • the method may also include engaging or disengaging, by controller 295 , clutching device 270 , which is releasably coupled to power generator 260 via first portion of the drive shaft 250 from high pressure section 220 , as described above.
  • Power is supplied to power generator 260 via second portion of the drive shaft 255 , which is coupled to power generator 260 from low pressure section 230 .
  • the method may also include exhausting the steam to condenser 240 , which may be coupled to low pressure section 230 .
  • the method when clutching device 270 is engaged, as illustrated in FIG. 2 , the method can include supplying shaft power from high pressure section 220 to power generator 260 via first portion of the drive shaft 250 , as the steam can pass through both high pressure section 220 and low pressure section 230 . Further, when clutching device 270 is disengaged, as illustrated in FIG. 3 , first portion of the drive shaft 250 does not supply power from high pressure section 220 to power generator 260 .
  • the method may further include utilizing high pressure throttle valve 280 between steam generator 210 and high pressure section 220 , utilizing high pressure bypass valve 285 between steam generator 210 and low pressure section 230 , and utilizing low pressure throttle valve 290 between high pressure section 220 and low pressure section 230 .
  • first portion of the drive shaft 250 supplies power from high pressure section 220 to power generator 260
  • clutching device 270 is disengaged by controller 295
  • first portion of the drive shaft 250 does not supply power from high pressure section 220 to power generator 260 .
  • second portion of the drive shaft 255 supplies power from low pressure section 230 to power generator 260 .
  • clutching device 270 may be engaged during a high energy operating condition, while clutching device 270 may be disengaged during a low energy operating condition.
  • Embodiments of this method may be beneficial to many steam turbine systems. As one example, this method may be beneficial in a concentrated solar power system, where clutching device 270 may be engaged during a daytime operating condition or clutching device 270 may be disengaged during a nighttime operating condition.
  • steam turbine system 200 is used in a concentrated solar power (CSP) system 300 , as illustrated in FIG. 4 .
  • the CSP system 300 may include any type of concentrated solar power system (CSPS), such as a CSP steam turbine (CSPST) or CSP evaporator (CSPE) 300 which can include a plurality of solar receptors 310 of any known configuration.
  • CSPS concentrated solar power system
  • the solar receptors 310 can include, for example, reflecting and or absorbing solar surfaces such as mirrors, prisms, photovoltaic panels, or semi-transparent surfaces for either absorbing or redirecting solar energy from a solar energy source, such as the sun, in order to generate steam for powering steam turbine system 200 , shown included in CSP system 300 .
  • the CSPST can take the form of any conventional concentrated solar power steam turbine, in that it may include one or more parabolic troughs, focused boilers, or other components found in such CSPST systems.
  • the depiction of the CSP system 300 herein is merely illustrative of one form of concentrated solar power steam turbine capable of interacting with the control systems and/or computer systems described according to the various embodiments of the invention.
  • CSP system 300 which is illustrative of a typical CSP system but may include any other CSP systems now known or later developed, can experience high energy operating conditions and low energy operating conditions. For instance, typically a daytime operating condition will consist of a higher energy operating condition due to the prevalence of sunlight. Such high energy operating conditions may include, for example, approximately 900° C. and approximately 6,205 kPa (1500 PSI). During this time, clutching device 270 will be engaged ( FIG. 2 ) to allow for processing of a higher energy steam through both high pressure section 220 and low pressure section 230 .
  • Nighttime operating conditions can often result in a lower energy operating condition due to the lack of sunlight, at which point clutching device 270 may be disengaged ( FIG. 3 ) to more efficiently process the lower energy steam directly through low pressure section 230 , bypassing high pressure section 220 .
  • Nighttime operating conditions may include approximately 400° C. and approximately 1724 kPa (250 PSI). It should be understood that not all daytime operating conditions may be high energy operating conditions. For instance, on cloudy or overcast days, it may be optimal to run at low energy nighttime operating conditions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
US14/038,210 2013-09-26 2013-09-26 Steam turbine system with steam turbine clutch Abandoned US20150082791A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US14/038,210 US20150082791A1 (en) 2013-09-26 2013-09-26 Steam turbine system with steam turbine clutch
DE102014113328.5A DE102014113328A1 (de) 2013-09-26 2014-09-16 Dampfturbinensystem mit Dampfturbinenkupplung
CH01424/14A CH708647A2 (de) 2013-09-26 2014-09-19 Dampfturbinensystem mit Dampfturbinenkupplung.
JP2014192073A JP2015068339A (ja) 2013-09-26 2014-09-22 蒸気タービンクラッチを備える蒸気タービンシステム
CN201410505248.3A CN104514584A (zh) 2013-09-26 2014-09-26 蒸汽涡轮机系统和用于操作蒸汽涡轮机系统的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/038,210 US20150082791A1 (en) 2013-09-26 2013-09-26 Steam turbine system with steam turbine clutch

Publications (1)

Publication Number Publication Date
US20150082791A1 true US20150082791A1 (en) 2015-03-26

Family

ID=52623743

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/038,210 Abandoned US20150082791A1 (en) 2013-09-26 2013-09-26 Steam turbine system with steam turbine clutch

Country Status (5)

Country Link
US (1) US20150082791A1 (de)
JP (1) JP2015068339A (de)
CN (1) CN104514584A (de)
CH (1) CH708647A2 (de)
DE (1) DE102014113328A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170321554A1 (en) * 2016-05-09 2017-11-09 Sunnyco Inc. Pneumatic engine and related methods
US20180266385A1 (en) * 2016-05-09 2018-09-20 Sunnyco Inc. Pneumatic engine and related methods

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10260377B2 (en) * 2017-02-03 2019-04-16 Woodward, Inc. Generating steam turbine performance maps

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753077A (en) * 1987-06-01 1988-06-28 Synthetic Sink Multi-staged turbine system with bypassable bottom stage
US20100212318A1 (en) * 2007-09-11 2010-08-26 Siemens Concentrated Solar Power Ltd. Solar thermal power plants
US20130255254A1 (en) * 2012-04-02 2013-10-03 Alstom Technology Ltd Solar thermal power system
US20140373542A1 (en) * 2012-03-15 2014-12-25 Cyclect Electrical Engineering Organic rankine cycle system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753077A (en) * 1987-06-01 1988-06-28 Synthetic Sink Multi-staged turbine system with bypassable bottom stage
US20100212318A1 (en) * 2007-09-11 2010-08-26 Siemens Concentrated Solar Power Ltd. Solar thermal power plants
US20140373542A1 (en) * 2012-03-15 2014-12-25 Cyclect Electrical Engineering Organic rankine cycle system
US20130255254A1 (en) * 2012-04-02 2013-10-03 Alstom Technology Ltd Solar thermal power system
EP2647841A1 (de) * 2012-04-02 2013-10-09 Alstom Technology Ltd Solarwärmeenergiesystem

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170321554A1 (en) * 2016-05-09 2017-11-09 Sunnyco Inc. Pneumatic engine and related methods
US20180266385A1 (en) * 2016-05-09 2018-09-20 Sunnyco Inc. Pneumatic engine and related methods
US10465518B2 (en) * 2016-05-09 2019-11-05 Sunnyco Inc. Pneumatic engine and related methods
US10641239B2 (en) * 2016-05-09 2020-05-05 Sunnyco Inc. Pneumatic engine and related methods

Also Published As

Publication number Publication date
CH708647A2 (de) 2015-03-31
DE102014113328A1 (de) 2015-03-26
JP2015068339A (ja) 2015-04-13
CN104514584A (zh) 2015-04-15

Similar Documents

Publication Publication Date Title
JP5232916B2 (ja) 太陽熱ガスタービン及び太陽熱ガスタービン発電装置
KR101310964B1 (ko) 선박의 폐열을 이용한 에너지 절감 장치
US9957954B2 (en) Solar thermal power generation system
US8881528B2 (en) System for the generation of mechanical and/or electrical energy
US10125638B2 (en) Co-generation system and associated method
EP3201532B1 (de) Verfahren und vorrichtung zur heizkraftwerkabwärmequellennutzung durch integrierte wasserquellenhochtemperaturwärmepumpe
US8776521B2 (en) Systems and methods for prewarming heat recovery steam generator piping
EP2980383B1 (de) Solar-/luftturbinengeneratorsystem
US9631521B2 (en) Method for operating a combined-cycle power plant
JP2009062985A (ja) コンバインドサイクル発電プラントを運転する方法及びこの方法を実施するコンバインドサイクル発電プラント
US20180245800A1 (en) Method and apparatus for utilization of hot water plant waste heat recovery by incorporated high temperature water source heat pump
US8584465B2 (en) Method for increasing the efficiency of a power plant which is equipped with a gas turbine, and power plant for carrying out the method
US20150082791A1 (en) Steam turbine system with steam turbine clutch
US20170058717A1 (en) Multi-shaft combined cycle plant, and control device and operation method thereof
JP6981727B2 (ja) 産業設備
US10883378B2 (en) Combined cycle plant and method for controlling operation of combine cycle plant
EP3245389B1 (de) Wärmeenergiespeicheranlage
JP5511429B2 (ja) 熱利用システム
RU137999U1 (ru) Маневренная теплофикационная турбоустановка
US20110146280A1 (en) System and method for heating feedwater using a solar heating system
US20150121871A1 (en) Forced cooling in steam turbine plants
JP2006161698A (ja) 蒸気タービンの過負荷運転装置および蒸気タービンの過負荷運転方法
EP2778368B1 (de) Kombikraftwerk mit Regelung der Lufteintrittstemperatur und entsprechendes Verfahren
JP6474075B2 (ja) 発電設備
JP2017110532A (ja) プラント設備、プラント設備の運転方法及びプラント設備の制御装置

Legal Events

Date Code Title Description
AS Assignment

Owner name: GENERAL ELECTRIC COMPANY, NEW YORK

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RILEY, COLIN SCOTT;RIPLEY, TAD RUSSEL;REEL/FRAME:031296/0173

Effective date: 20130920

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION