EP1507068A1 - Verfahren zum Abbremsen eines Rotors einer Strömungsmaschine und eine Drehvorrichtung zum Antreiben des Rotors einer Strömungsmaschine - Google Patents

Verfahren zum Abbremsen eines Rotors einer Strömungsmaschine und eine Drehvorrichtung zum Antreiben des Rotors einer Strömungsmaschine Download PDF

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Publication number
EP1507068A1
EP1507068A1 EP03018376A EP03018376A EP1507068A1 EP 1507068 A1 EP1507068 A1 EP 1507068A1 EP 03018376 A EP03018376 A EP 03018376A EP 03018376 A EP03018376 A EP 03018376A EP 1507068 A1 EP1507068 A1 EP 1507068A1
Authority
EP
European Patent Office
Prior art keywords
rotor
drive
turbomachine
designed
load element
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.)
Withdrawn
Application number
EP03018376A
Other languages
German (de)
English (en)
French (fr)
Inventor
Antje Noack
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to EP03018376A priority Critical patent/EP1507068A1/de
Priority to ES04763286T priority patent/ES2281820T3/es
Priority to US10/568,338 priority patent/US8641360B2/en
Priority to DE502004003297T priority patent/DE502004003297D1/de
Priority to CNB2004800228332A priority patent/CN100543276C/zh
Priority to EP04763286A priority patent/EP1654443B1/de
Priority to PCT/EP2004/007945 priority patent/WO2005019603A1/de
Publication of EP1507068A1 publication Critical patent/EP1507068A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F01D21/006—Arrangements of brakes
    • 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
    • F01D25/34—Turning or inching gear

Definitions

  • the invention relates to a method for braking a Rotor of a turbomachine according to the preamble of the claim 1 and a rotating device for driving a rotor a turbomachine according to the preamble of the claim 6th
  • the oil storage is next to a lubricating oil and in addition powered by a lifting oil supply, which serves the Hydrostatically raise the rotor during turning operation.
  • the disadvantage here is that performing the Abfahrprogramm Control of the gas turbine then the oil supply of the oil storage not because of the constant rotational movement of the rotor automatically shuts off.
  • the automated shutdown of the oil supply the oil storage would only take place when the the speed monitoring sensors the standstill of the rotor recognizes. Fault messages of the controls are the consequence which then require manual intervention.
  • To slow down the rotor is then the manual shutdown of the oil supply necessary, with the rotor then unlubricated to a standstill rotated in oil storage. This can lead to wear and defects Rotor and oil storage lead.
  • the object of the invention is therefore an inexpensive method for decelerating a rotor of a turbomachine, with the caused by the draft rotational movement of the rotor is slowed down until the rotor stops. Further is an object of the invention to a corresponding device specify.
  • the solution is based on the consideration that after completion the cooling phase for braking the rotor of this Drive by means of the coupled drive shaft in reverse operation drives.
  • the already for the rotary operation of the rotor designed and designed turning device is so inexpensive operated in reverse operation.
  • Existing turbines, the already have a rotating device can by slight Attachments or conversions can be converted inexpensively.
  • the control will follow during the shutdown program to the turning operation automatically the braking operation by and can then after recognizing the stoppage of the rotor Switch off the oil supply to the oil storage. A manual intervention in the Abfahrprogramm can be prevented.
  • a first advantageous embodiment is after completion the cooling phase the drive is disconnected from the power source and connected to a load element.
  • the severance the power source stops the drive of the rotor and thus the rotary operation of the turbine.
  • the reverse operation of the drive be performed.
  • the prevailing draft in the turbine maintains the rotational movement of the rotor upright.
  • This one gives the Rotary movement continues via the drive shaft to the drive.
  • the rotational energy is converted by the drive and then dissipated by means of a load element.
  • the load moment for the rotor increases, causing the rotational movement of the Rotor slows down until it comes to a halt.
  • the drive is designed as a hydraulic motor, the in reverse mode works as a hydraulic pump.
  • the drive is designed as an electric motor, which operates in reverse mode as an electric generator.
  • the rotor is stored by means of an oil bearing, can after the standstill of the rotor, the energy supply of the oil storage turned off.
  • the reverse operation works as a hydraulic pump and as a load element a Throttle or a valve is provided, that of the hydraulic motor in reverse operation promoted liquid medium a throttle or a valve flow.
  • a Throttle or a valve is provided, that of the hydraulic motor in reverse operation promoted liquid medium a throttle or a valve flow.
  • the drive of the Hydromotors takes place by the draft, the through the Flow path of the turbine flows while the rotor in a Rotated motion offset.
  • the throttle or the valve are included formed in an advantageous refinement controllable so that needed to slow down the rotor at any time Lastmoment can be adjusted.
  • the load element as an electrical consumer and the drive as an electric motor educated.
  • the rotational energy of the rotor is determined by means of Electric motor, the case in reverse operation as an electric generator works, converted into an electric current and on delivered to the consumer.
  • the load of the consumer so dimensioned that a delay of the rotation of the rotor until it has come to a standstill. It is advantageous that the load element is adjustable.
  • the turbomachine designed as a gas turbine.
  • turbomachine designed as a compressor.
  • FIG. 2 shows a gas turbine 1 in a longitudinal partial section. It has inside about a rotation axis. 2 rotatably mounted rotor 3, which also as a turbine rotor or Rotor shaft is called. Along the rotor 3 follow Intake housing 4, a compressor 5, a toroidal annular combustion chamber 6 with a plurality of coaxially arranged burners 7, a turbine 8 and the exhaust housing 9 to each other.
  • annular compressor passage 10 is provided, in the direction of the annular combustion chamber 6 in cross section rejuvenated.
  • a diffuser 11 is arranged, which communicates with the annular combustion chamber 6 is in fluid communication.
  • the annular combustion chamber 6 forms a combustion chamber 12 for a mixture of a Fuel and compressed air.
  • a hot gas duct 13 is with the combustion chamber 12 in fluid communication, wherein the Hot gas duct 13, the exhaust housing 9 is arranged downstream.
  • the rotor 3 is rotatably supported by means of an oil bearing 21.
  • the Oil storage 21 is next to a lubricating oil and in addition powered by a lifting oil supply, which serves the To raise the rotor 3 hydrostatically during turning operation.
  • the gas turbine 1 During operation of the gas turbine 1 is from the compressor. 5 sucked air 21 through the intake housing 4 and in the compressor duct 10 compacted. The at the burner end of the compressor 5 provided air 21 is through the diffuser 11th led to the burners 7 and mixed there with a fuel. The mixture is then made to form a working fluid 20 burned in the combustion chamber 10. From there flows the working fluid 20 in the hot gas duct 13. At the in the Turbine 8 arranged vanes 16 and on the blades 18 the working fluid 20 relaxes momentum, so that the rotor 3 is driven and with it one to him coupled machine (not shown).
  • FIG. 2 shows a hydraulic circuit diagram 35 of a rotating device 22.
  • An output P of the hydraulic unit 23 is with connected to the input of a pressure reducing valve 24.
  • the exit the pressure reducing valve 24 is in fluid communication with the input of a flow control valve 25 whose output is connected to the input of a hydraulic motor 26.
  • the exit the hydraulic motor 26 is at the entrance of a pressure relief valve 27 connected.
  • the output of the pressure relief valve 27 is connected to the input T of the hydraulic unit 23 in fluid communication.
  • a drive shaft 28 of the hydraulic motor 26 is a gear 29 with a rotor 30 a Turbomachine 31 connected.
  • the pressure reducing valve 24 and the pressure limiting valve 27 are each actuated electromagnetically.
  • the turbomachine 31 can be used as a compressor or be designed as a gas turbine 1.
  • the hydraulic unit 23 has a controllable hydraulic pump 32, which is driven by a motor 33.
  • the entrance the hydraulic pump 32 is in this case with a hydraulic accumulator 34 in flow communication.
  • the output of the hydraulic pump 32nd is formed as an output of the hydraulic unit 23.
  • the hydraulic circuit 35 is designed for three operating states: a rotary operation, a freewheeling operation and a Braking operation.
  • the drive shaft 28 of the hydraulic motor 26 not to the rotor 30 of the turbomachine 31 docked. Only with the shutdown of the turbomachine 31, the drive shaft 28 is coupled to the rotor 30.
  • the hydraulic motor 26 is fed by the hydraulic unit 23, wherein the pressure reducing valve 24 allows a pressure of about 150 bar in the hydraulic fluid.
  • the flow control valve 25 limits the flow rate of the hydraulic fluid to a volume of max. 70 l / min.
  • the pressure relief valve 27 is unconfirmed, so that there no pressure drops.
  • the drive shaft 28 remains connected to the rotor 30 via the gear 29.
  • the pressure reducing valve reduces the pressure of the hydraulic fluid to 10 bar from.
  • the hydraulic motor 26 will continue to provide sufficient Supplying amount of hydraulic fluid without it generates an effective drive torque on the drive shaft 28 becomes.
  • the hydraulic motor 26 is thus of the hydraulic unit 23 decoupled as an energy source.
  • the pressure relief valve 27 remains set to 0 bar, so that in the Hydraulic fluid no pressure loss occurs. Due to friction losses the rotor speed decreases.
  • the drive shaft 28 of the hydraulic motor 26th coupled to the rotor 30 of the turbomachine 31.
  • the Pressure reducing valve 24 reduces the pressure in the hydraulic fluid at 10 bar.
  • the pressure relief valve 27 is now controlled in such a way that there is a steadily increasing pressure in the Hydraulic fluid stops.
  • the pressure relief valve is used 27 in braking mode as a load element for the reverse operation operated hydraulic motor 26.
  • the hydraulic motor 26 is driven by the rotation of the rotor 30 now, so that this works as a pump. Consequently, the hydraulic motor 26 promotes the hydraulic fluid continues to the pressure relief valve 24, where a pressure build-up in the hydraulic fluid takes place. This will be a Load generated for the rotating rotor 30, which is the rotation slows down and slows down.
  • the desired braking torque is generated, to bring the rotor 30 to a standstill.
  • the controller switches the turbomachine 31 to complete the Abfahrprogramms the supply of the oil bearing 21 of the rotor 3 automatically off.
  • the suppressed oil supply causes friction in the oil storage 21 generates, which slows the rotor 30 to a standstill. This also prevents the rotor 30 of the turbomachine 31 by the natural train from the standstill in a rotational movement is offset.
  • After switching off the oil bearing 21 may also be the pressure relief valve 24 reopened to the hydraulic motor 26 to relieve pressure and reduce the hydraulic fluid.
  • a stationary gas turbine can also work machine be used as a brake, instead of a Payload is connected to a load element.
  • the generator will be shorted as a working machine, in which the internal resistance of the generator then as Load element is used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
  • Supercharger (AREA)
EP03018376A 2003-08-13 2003-08-13 Verfahren zum Abbremsen eines Rotors einer Strömungsmaschine und eine Drehvorrichtung zum Antreiben des Rotors einer Strömungsmaschine Withdrawn EP1507068A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP03018376A EP1507068A1 (de) 2003-08-13 2003-08-13 Verfahren zum Abbremsen eines Rotors einer Strömungsmaschine und eine Drehvorrichtung zum Antreiben des Rotors einer Strömungsmaschine
ES04763286T ES2281820T3 (es) 2003-08-13 2004-07-16 Procedimiento para frenar un rotor de una turbomaquina y un dispositivo giratorio para accionar el rotor de una turbomaquina.
US10/568,338 US8641360B2 (en) 2003-08-13 2004-07-16 Method for braking a rotor of a turbine engine and a turning gear for driving the rotor of a turbine engine
DE502004003297T DE502004003297D1 (de) 2003-08-13 2004-07-16 Verfahren zum abbremsen eines rotors einer strömungsmaschine und eine drehvorrichtung zum antreiben des rotors einer strömungsmaschine
CNB2004800228332A CN100543276C (zh) 2003-08-13 2004-07-16 制动涡轮发动机转子的方法和一种用于驱动涡轮发动机转子的旋转装置
EP04763286A EP1654443B1 (de) 2003-08-13 2004-07-16 Verfahren zum abbremsen eines rotors einer strömungsmaschine und eine drehvorrichtung zum antreiben des rotors einer strömungsmaschine
PCT/EP2004/007945 WO2005019603A1 (de) 2003-08-13 2004-07-16 Verfahren zum abbremsen eines rotors einer strömungsmaschine und eine drehvorrichtung zum antreiben des rotors einer strömungsmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03018376A EP1507068A1 (de) 2003-08-13 2003-08-13 Verfahren zum Abbremsen eines Rotors einer Strömungsmaschine und eine Drehvorrichtung zum Antreiben des Rotors einer Strömungsmaschine

Publications (1)

Publication Number Publication Date
EP1507068A1 true EP1507068A1 (de) 2005-02-16

Family

ID=33560790

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03018376A Withdrawn EP1507068A1 (de) 2003-08-13 2003-08-13 Verfahren zum Abbremsen eines Rotors einer Strömungsmaschine und eine Drehvorrichtung zum Antreiben des Rotors einer Strömungsmaschine
EP04763286A Not-in-force EP1654443B1 (de) 2003-08-13 2004-07-16 Verfahren zum abbremsen eines rotors einer strömungsmaschine und eine drehvorrichtung zum antreiben des rotors einer strömungsmaschine

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04763286A Not-in-force EP1654443B1 (de) 2003-08-13 2004-07-16 Verfahren zum abbremsen eines rotors einer strömungsmaschine und eine drehvorrichtung zum antreiben des rotors einer strömungsmaschine

Country Status (6)

Country Link
US (1) US8641360B2 (zh)
EP (2) EP1507068A1 (zh)
CN (1) CN100543276C (zh)
DE (1) DE502004003297D1 (zh)
ES (1) ES2281820T3 (zh)
WO (1) WO2005019603A1 (zh)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2101043A1 (de) * 2008-03-11 2009-09-16 Siemens Aktiengesellschaft Verfahren zum Aufwärmen einer Dampfturbine
EP3124761A1 (de) * 2015-07-28 2017-02-01 Siemens Aktiengesellschaft Turbinenanlage
EP2831381B1 (en) 2012-03-29 2018-10-24 Ansaldo Energia IP UK Limited Method of operating a turbine engine after flame off
EP3399157A1 (en) * 2017-03-31 2018-11-07 The Boeing Company Engine turning motor via pneumatic or hydraulic motor
US10378442B2 (en) 2017-03-31 2019-08-13 The Boeing Company Mechanical flywheel for bowed rotor mitigation
US10427632B2 (en) 2017-03-31 2019-10-01 The Boeing Company Bowed rotor nacelle cooling
US11022004B2 (en) 2017-03-31 2021-06-01 The Boeing Company Engine shaft integrated motor
DE102012208762B4 (de) 2012-05-24 2022-05-05 Robert Bosch Gmbh Verfahren zum Abbremsen einer Strömungsmaschine mit einer Synchronmaschine

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2444624A1 (en) * 2009-12-04 2012-04-25 Perkins Engines Company Limited Turbocharger brake
DE102010054841A1 (de) * 2010-12-16 2012-06-21 Andreas Stihl Ag & Co. Kg Blasgerät mit einem elektrischen Antriebsmotor
US20140069744A1 (en) * 2012-09-12 2014-03-13 General Electric Company System and method for supplying lube oil to a gas turbine
DE102012222637A1 (de) * 2012-12-10 2014-06-12 Senvion Se Turnantrieb für eine Windenergieanlage und Verfahren zum Drehen der Rotorwelle einer Windenergieanlage
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
CN105604997A (zh) * 2014-11-21 2016-05-25 北京中如技术有限公司 高速动平衡机液压系统的高压顶升液压系统
EP3103974A1 (en) * 2015-06-09 2016-12-14 General Electric Technology GmbH A turbine turning gear system
WO2018075020A1 (en) * 2016-10-19 2018-04-26 Halliburton Energy Services, Inc. Control of engine combustion shut down
GB201720944D0 (en) * 2017-12-15 2018-01-31 Rolls Royce Plc Rotor bow management
CN114635760A (zh) * 2022-03-30 2022-06-17 岭澳核电有限公司 核电厂用汽轮机盘车控制系统和汽轮机盘车设备

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DE431934C (de) * 1925-08-01 1926-07-19 Brown Boveri & Cie Akt Ges Einrichtung zur gleichmaessigen Waermeverteilung bei Dampfturbinenwellen
DE524329C (de) * 1928-08-31 1931-05-13 Siemens Schuckertwerke Akt Ges Einrichtung zum langsamen Drehen einer Dampfturbinenwelle
US3203177A (en) * 1963-08-19 1965-08-31 Caterpillar Tractor Co Brake and reverse drive for gas turbine engines
US4854120A (en) * 1986-09-26 1989-08-08 Cef Industries, Inc. Performance envelope extension method for a gas turbine engine

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US3655293A (en) * 1970-08-11 1972-04-11 Sorvall Inc Ivan Variable and reversing hydraulic drive system for turbines
DE59709511D1 (de) * 1997-10-06 2003-04-17 Alstom Switzerland Ltd Verfahren zum Betrieb einer Kombianlage
US7387182B2 (en) * 2002-04-08 2008-06-17 Patrick Fleming Turbine generator regenerative braking system
JP5178400B2 (ja) * 2008-08-28 2013-04-10 株式会社東芝 洗濯乾燥機
JP5359225B2 (ja) * 2008-11-26 2013-12-04 日本精工株式会社 電動機、産業機械用モータ及び電気自動車用ホイールモータ
US8226522B2 (en) * 2008-12-29 2012-07-24 Hamilton Sundstrand Corporation Coupling for generator/starter

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
DE431934C (de) * 1925-08-01 1926-07-19 Brown Boveri & Cie Akt Ges Einrichtung zur gleichmaessigen Waermeverteilung bei Dampfturbinenwellen
DE524329C (de) * 1928-08-31 1931-05-13 Siemens Schuckertwerke Akt Ges Einrichtung zum langsamen Drehen einer Dampfturbinenwelle
US3203177A (en) * 1963-08-19 1965-08-31 Caterpillar Tractor Co Brake and reverse drive for gas turbine engines
US4854120A (en) * 1986-09-26 1989-08-08 Cef Industries, Inc. Performance envelope extension method for a gas turbine engine

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2101043A1 (de) * 2008-03-11 2009-09-16 Siemens Aktiengesellschaft Verfahren zum Aufwärmen einer Dampfturbine
EP2831381B1 (en) 2012-03-29 2018-10-24 Ansaldo Energia IP UK Limited Method of operating a turbine engine after flame off
EP2831381B2 (en) † 2012-03-29 2023-10-25 Ansaldo Energia IP UK Limited Method of operating a turbine engine after flame off
DE102012208762B4 (de) 2012-05-24 2022-05-05 Robert Bosch Gmbh Verfahren zum Abbremsen einer Strömungsmaschine mit einer Synchronmaschine
EP3124761A1 (de) * 2015-07-28 2017-02-01 Siemens Aktiengesellschaft Turbinenanlage
EP3399157A1 (en) * 2017-03-31 2018-11-07 The Boeing Company Engine turning motor via pneumatic or hydraulic motor
US10378442B2 (en) 2017-03-31 2019-08-13 The Boeing Company Mechanical flywheel for bowed rotor mitigation
US10427632B2 (en) 2017-03-31 2019-10-01 The Boeing Company Bowed rotor nacelle cooling
US10753225B2 (en) 2017-03-31 2020-08-25 The Boeing Company Engine turning motor via pneumatic or hydraulic motor
US11022004B2 (en) 2017-03-31 2021-06-01 The Boeing Company Engine shaft integrated motor

Also Published As

Publication number Publication date
EP1654443B1 (de) 2007-03-21
EP1654443A1 (de) 2006-05-10
US20110027061A1 (en) 2011-02-03
US8641360B2 (en) 2014-02-04
WO2005019603A1 (de) 2005-03-03
ES2281820T3 (es) 2007-10-01
DE502004003297D1 (de) 2007-05-03
CN100543276C (zh) 2009-09-23
CN1833095A (zh) 2006-09-13

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