EP1016787A2 - Verfahren zum Betreiben eines Kompressors mit nachgeschaltetem Verbraucher, und nach dem Verfahren arbeitende Anlage - Google Patents
Verfahren zum Betreiben eines Kompressors mit nachgeschaltetem Verbraucher, und nach dem Verfahren arbeitende Anlage Download PDFInfo
- Publication number
- EP1016787A2 EP1016787A2 EP99121245A EP99121245A EP1016787A2 EP 1016787 A2 EP1016787 A2 EP 1016787A2 EP 99121245 A EP99121245 A EP 99121245A EP 99121245 A EP99121245 A EP 99121245A EP 1016787 A2 EP1016787 A2 EP 1016787A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressor
- gas
- suction
- consumer
- pressure
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0284—Conjoint control of two or more different functions
Definitions
- the invention relates to a method for operating a compressor with downstream consumer with variable gas take-off according to the preamble of claim 1.
- the invention also relates to a system that can be operated according to the method with a compressor and downstream consumer.
- the Invention is preferably, but not exclusively, applicable with a fuel gas compressor system connected to a pipeline, which is a gas turbine with compressed fuel gas provided.
- the compressor with at least three control loops.
- Final pressure regulator usually acts on the guide vanes of the Compressor and / or on a speed adjustment device on.
- a suction pressure regulator acts on the throttle element on the Compressor suction side.
- a surge limit controller is also provided, the one on the outlet side with the suction side of the Compressor connecting bypass valve acts to low delivery rate of the compressor by blowing media a minimum flow rate from the pressure side to the suction side through the compressor.
- control loops are in terms of their working points and their dynamic behavior to a normal value of the flow rate of the compressor and thus the gas flow rate on Compressor output designed. Occurs on the consumer side sudden change in the gas flow required, so the control loops are able to make such changes to follow the gas flow to some extent, but with a systemic sluggish timing that is quick Correction of changes or faults on the consumer side Gas withdrawal is insufficient and can also lead to that the control loops influence each other and in undesirable Interaction.
- the invention has for its object a compressor to operate with downstream consumer so that its Regulation sufficiently fast to changes on the consumer side Gas removal can respond.
- throttle element depending on the consumer side Controlled gas take-off preferably such that the throttle is proportional to a reduction of the gas flow through the consumer is that the pressure loss across the suction side throttle remains constant even with reduced flow. In order to will also have an undesirable interaction with the rest Control loops reduced to a minimum.
- FIG. 1 An embodiment of the invention is based on the drawing explained in more detail.
- the drawing shows schematically a flow and Control scheme of one connected to a gas pipeline Compressor with a downstream gas turbine.
- the drawing shows a pipeline 1, in which combustible gas, especially natural gas.
- combustible gas especially natural gas.
- To the pipeline 1 is the suction side of a compressor 3 connected to the gas condensed. Via the outlet line 5 of the compressor the compressed combustible gas is fed to a gas turbine 7, the driving power by burning the compressed gas generated.
- Throttle element 9 On the suction side of the compressor 3 is in the pipeline 1 Throttle element 9 arranged, the opening cross-section over an actuator 11 regulated by a suction pressure regulator 13 which is a control signal from a downstream of the throttle valve 9 arranged pressure sensor 15 receives the Pressure detected on the suction side of the compressor 3. Sensor 15, Regulator 13 and throttle element 9 form a suction pressure control circuit to keep the pressure on the suction side of the Compressor 3.
- a pressure sensor 17 On the pressure-side outlet line 5 of the compressor 3 a pressure sensor 17 is arranged which measures the final pressure (outlet pressure) of the compressor 3 detected and a corresponding one Provides signal to a final pressure regulator 19. This creates an actuating signal for an actuator 21 for adjusting the Guide vanes 23 of the compressor and / or an actuating signal for an actuator 25 for changing the speed of the drive (not shown) of the compressor 3.
- pressure sensor 17, Regulator 19 and actuator 21 and 25 form a final pressure control loop to keep the pressure on the outlet side constant the compressor 3.
- the outlet line 5 of the compressor 3 is on the suction side the compressor via a blow-by line 27 with a Umlassventil 29 connected. This is via an actuator 31st controllable by a control signal from a pump limit controller 33 is controlled.
- the surge limit controller 33 operates as a flow controller with a variable setpoint, the setpoint depending on the current delivery head (enthalpy difference) of the compressor 3 is performed.
- the surge limit controller 33 receives signals for the suction side as input variables Pressure (from the pressure sensor 15) and the suction side Temperature (from a temperature sensor 14) and the outlet side Pressure (final pressure) from a pressure sensor 18 is detected, which of course with the pressure sensor 17th can be identical. From these input variables, the Pump limit controller 33, the enthalpy difference and those derived from it Setpoint.
- the surge limit controller receives 33 as the input variable the actual value of the flow on the suction side from a flow sensor 16.
- Gas turbine 7 At the inlet of the one connected to the compressor outlet line Gas turbine 7 is a fuel control valve (Throttle valve) 35, the actuator 37 of a fuel gas regulator 39 is controlled.
- the fuel gas regulator 39 adjusts the fuel gas valve 35 so that exactly Amount of fuel gas flows into the combustion chamber of the gas turbine 7, those for generating the currently required turbine power is needed.
- the fuel gas regulator 39 of the gas turbine 7 is primarily a speed controller that controls the speed of the gas turbine regulates to a predetermined setpoint. Often there are additional ones Protective functions integrated in the fuel gas controller, e.g. Protection against overheating, flow instability, underspeed and the same.
- the control signal can also without being generated by the controller 39, directly from the position of the fuel gas valve 35 can be tapped.
- Control signal is a via the control line 41
- Link point 43 is supplied, where it with that of the suction pressure regulator 13 generated control signal for the suction-side throttle element 9 is linked.
- the type of link can be one simple addition or multiplication, at least is a link with the same effect such that with increasing throttling of the fuel gas supply to the gas turbine 7 also the suction-side throttle element 9 is increasingly throttled.
- the node 43 can be a be connected upstream non-linear member 45, which a non-linear computing element and / or a non-linear amplifying element can be and that over the line 41 Change control point 43 supplied control signal in this way can compensate for nonlinearities in the system.
- the system according to the embodiment works as follows.
- the controllers 13, 19, 33, 39 are at one design point designed, in which the pressure in the pipeline 1 the desired or the required suction pressure of the compressor 3, the compressor 3 is operated at the nominal speed and the guide vanes are in the nominal position.
- the Throttle body 9 on the suction side is open in the nominal position.
- the fuel control valve 37 at the inlet of the gas turbine 7 is also in the nominal position, which the Nominal power of the gas turbine corresponds. Because pressure fluctuations in pipeline 1 are relatively slow Regulating these fluctuations provided regulators 13 and 19 designed for a relatively slow time constant.
- the delivery head must of the compressor 3 can be reduced so that the final pressure is constant is held.
- the final pressure regulator 19 via the actuators 21 or 25 the position of the guide vanes 22 towards a more closed position changed and / or the speed of the compressor 3 lowered.
- the differential pressure drops over the throttle element on the suction side 9, so that this close to the appropriate extent got to.
- the delivery amount due to physical limits of the compressor 3 cannot be reduced arbitrarily, must also be above a certain pressure in pipeline 1 the suction pressure regulator 13 intervene and the suction side Throttle throttle body 9 so far that the compressor inlet pressure again corresponds to the nominal value.
- the Link point 43 is assigned by the suction pressure regulator 13 generated control signal for the throttle element 9 (expressed in% of the total closing stroke from the fully open position out) with the control signal generated by the controller 39 for the Throttling the fuel gas control valve 35 (also expressed in% of the total closing stroke from the fully open position out) multiplied.
- the result of the multiplication is an additional control signal that in node 43 is added to the signal of the suction pressure regulator 13 and one additional throttling of the suction-side throttling element 9 causes.
- One or more nonlinear elements are to compensate for Nonlinearities of the system are provided.
- the suction pressure regulator 13 is relative in its actuating behavior set sluggishly and with its parameters to the dynamic adapted to the pipeline 1. His slowly changing manipulated variable is in the node 43 from the position of Fuel gas control valve 35 derived control command added.
- the system can work as follows. It is assumed that the overall system is close to the nominal operating point. Fuel gas control valve 35 and guide vanes 23 of the compressor are located yourself in the nominal position. The compressor 3 is at nominal speed operated. It is also assumed that in the pipeline 1 there is a relatively high pressure, and that is why the throttle element 9 throttled by the suction pressure regulator 13 by 10% is, i.e. that an opening cross-section 90% of full opening cross section.
- the fuel gas control valve 35 is e.g. 30% throttled, i.e. after regulating the flow, its opening cross-section is 70% of the full opening cross-section.
- the corresponding command from the fuel gas regulator 39 for the control valve 35 is the arithmetic circuit 47 fed and there with the signal from the controller 13 multiplied for the 10% throttling of the throttle body 9.
- the result is an additional control signal for an additional closure of the throttle element 9 by more 3% (10% existing throttle position of the throttle element 9 multiplied by 30% load change of the turbine 7).
- the throttle body 9 goes immediately from the 90% opening position in the 87% opening position.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
Description
Claims (11)
- Verfahren zum Betreiben eines Kompressors (3) mit nachgeschaltetem Verbraucher (7) mit variabler Gasabnahme,
dadurch gekennzeichnet, daß ein an der Saugseite des Kompressors (3) angeordnetes Drosselorgan (9) in Abhängigkeit von der Gasabnahme des Verbrauchers (7) gesteuert und sein Querschnitt bei abnehmender Gasabnahme verringert wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß das Drosselorgan zusätzlich in Abhängigkeit vom Gasdruck an der Saugseite des Kompressors (3) gesteuert wird. - Verfahren nach Anspruch 2,
dadurch gekennzeichnet, daß das saugseitige Drosselorgan (9) von einem Saugdruckregler (13) derart gesteuert wird, daß der saugseitige Druck am Kompressoreintritt im wesentlichen konstant gehalten wird, und daß der Saugdruckregler (13) zusätzlich mit einem die Größe der Gasabnahme am Verbraucher repräsentierenden Signal beaufschlagt wird. - Verfahren nach Anspruch 2 oder 3,
dadurch gekennzeichnet, daß das saugseitige Drosselorgan (9) durch ein Stellsignal gesteuert wird, das durch Verknüpfung eines dem Kompressorsaugdruck entsprechenden Signals mit dem die Gasabnahme am Verbraucher repräsentierenden Signal gebildet wird. - Verfahren nach Anspruch 4,
dadurch gekennzeichnet, daß die Verknüpfung additiv und/oder multiplikativ erfolgt. - Verfahren nach Anspruch 3, 4 oder 5,
dadurch gekennzeichnet, daß das die Gasabnahme repräsentierende Signal durch ein nichtlineares Glied (45) verändert wird. - Verfahren nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß der Enddruck am Kompressorausgang durch einen Enddruckregler (19), der auf die Stellung der Leitschaufel und/oder auf die Drehzahl des Kompressorantriebs einwirkt, im wesentlichen konstant gehalten wird. - Verfahren nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß eine den Kompressorausgang mit der Saugseite des Kompressors (3) verbindende Umblasstrecke (27) durch einen Pumpgrenzregler (33) derart gesteuert wird, daß die Fördermenge des Kompressors (3) nicht unter einen Mindestwert absinkt. - Verfahren nach einem der Ansprüche 2 bis 8,
dadurch gekennzeichnet, daß die Zeitkonstanten des das saugseitige Drosselorgan (9) steuernden Reglers (13) derart gewählt werden, daß das Drosselorgan (9) auf Änderungen der verbraucherseitigen Gasabnahme schneller reagiert als auf Änderungen des Drucks an der Saugseite des Kompressors. - Verfahren nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, daß die Saugseite des Kompressors (3) an eine Gaspipeline (1) angeschlossen und der Verbraucher eine Gasturbine (7) ist, die das vom Kompressor (3) verdichtete Gas verbrennt. - Anlage mit einem Kompressor (3) mit nachgeschaltetem Verbraucher (7), einem Drosselorgan (9) an der Saugseite des Kompressors und einem Stellorgan (35, 37) zum Verändern des Gasdurchsatzes durch den Verbraucher,
gekennzeichnet durch einen Regler (13), der das saugseitige Drosselorgan (9) in Abhängigkeit vom Gasdurchsatz des Verbrauchers (7) steuert.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19860639A DE19860639A1 (de) | 1998-12-29 | 1998-12-29 | Verfahren zum Betreiben eines Kompressors mit nachgeschaltetem Verbraucher, und nach dem Verfahren arbeitende Anlage |
DE19860639 | 1998-12-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1016787A2 true EP1016787A2 (de) | 2000-07-05 |
EP1016787A3 EP1016787A3 (de) | 2001-02-21 |
EP1016787B1 EP1016787B1 (de) | 2003-12-10 |
Family
ID=7893065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99121245A Expired - Lifetime EP1016787B1 (de) | 1998-12-29 | 1999-10-25 | Verfahren zum Betreiben eines Kompressors mit nachgeschaltetem Verbraucher, und nach dem Verfahren arbeitende Anlage |
Country Status (3)
Country | Link |
---|---|
US (1) | US6293766B1 (de) |
EP (1) | EP1016787B1 (de) |
DE (2) | DE19860639A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1635066A2 (de) | 2004-09-09 | 2006-03-15 | ALSTOM Technology Ltd | Gasversorgungsanlage und zugehöriges Betriebsverfahren für eine Gasturbine |
EP2530329A1 (de) * | 2011-05-30 | 2012-12-05 | Siemens Aktiengesellschaft | System zum Sammeln von Gas aus einem Gasfeld mit einem Hochdruckkompressor |
WO2019162872A1 (en) * | 2018-02-23 | 2019-08-29 | Atlas Copco Airpower, Naamloze Vennootschap | Method for actuating a compressor system and a comp system |
CN110195715A (zh) * | 2019-04-19 | 2019-09-03 | 中国神华能源股份有限公司 | 机械设备的可调导叶的控制方法、装置以及机械设备 |
Families Citing this family (13)
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---|---|---|---|---|
DE10012380A1 (de) | 2000-03-14 | 2001-09-20 | Man Turbomasch Ag Ghh Borsig | Verfahren zum Schutz eines Turbokompressors vor Betrieb im instabilen Arbeitsbereich |
US6622489B1 (en) * | 2000-10-25 | 2003-09-23 | Hybrid Power Generation Systems, Llc | Integrated gas booster modulation control method |
JP3854556B2 (ja) * | 2002-09-11 | 2006-12-06 | 三菱重工業株式会社 | ガスタービンプラント制御機構 |
JP2012504723A (ja) * | 2008-07-29 | 2012-02-23 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | 圧縮機の制御方法及び装置、並びに炭化水素流の冷却方法 |
BE1019299A3 (nl) * | 2010-04-20 | 2012-05-08 | Atlas Copco Airpower Nv | Wekwijze voor het aansturen van een compressor. |
RU2504693C1 (ru) * | 2012-06-04 | 2014-01-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный минерально-сырьевой университет "Горный" | Электроприводная перекачивающая станция на морской платформе |
DE102013102879B4 (de) * | 2013-03-21 | 2019-02-07 | Gpi Gesellschaft Für Prüfstanduntersuchungen Und Ingenieurdienstleistungen Mbh | Kompressor mit Anpassung der Gaseintrittstemperatur und Verfahren zum Betreiben dieses Kompressors |
KR102488575B1 (ko) * | 2016-03-11 | 2023-01-16 | 한화파워시스템 주식회사 | 압축기 제어 시스템 및 압축기의 제어 방법 |
RU178571U1 (ru) * | 2016-09-22 | 2018-04-11 | Открытое акционерное общество "Севернефтегазпром" | Приспособление для установки сменной проточной части крышки компрессора газоперекачивающего агрегата |
JP6623318B1 (ja) * | 2019-05-13 | 2019-12-18 | 三菱日立パワーシステムズ株式会社 | 燃料ガス供給装置および方法 |
CN115618652B (zh) * | 2022-11-28 | 2023-03-10 | 成都秦川物联网科技股份有限公司 | 智慧燃气压缩机运行优化方法、物联网***、装置及介质 |
WO2024125818A1 (en) * | 2022-12-12 | 2024-06-20 | Nuovo Pignone Tecnologie - S.R.L. | Compression system and methods for controlling the compression system |
CN116221191B (zh) * | 2023-05-06 | 2023-08-01 | 西门子能源有限公司 | 控制流体压缩***的方法 |
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- 1999-10-25 EP EP99121245A patent/EP1016787B1/de not_active Expired - Lifetime
- 1999-12-22 US US09/470,496 patent/US6293766B1/en not_active Expired - Lifetime
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1635066A2 (de) | 2004-09-09 | 2006-03-15 | ALSTOM Technology Ltd | Gasversorgungsanlage und zugehöriges Betriebsverfahren für eine Gasturbine |
US7497668B2 (en) | 2004-09-09 | 2009-03-03 | Alstom Technology Limited | Gas supply arrangement and associated method, particularly for a gas turbine |
EP1635066A3 (de) * | 2004-09-09 | 2012-10-31 | Alstom Technology Ltd | Gasversorgungsanlage und zugehöriges Betriebsverfahren für eine Gasturbine |
EP2530329A1 (de) * | 2011-05-30 | 2012-12-05 | Siemens Aktiengesellschaft | System zum Sammeln von Gas aus einem Gasfeld mit einem Hochdruckkompressor |
WO2012163715A3 (en) * | 2011-05-30 | 2013-05-10 | Siemens Aktiengesellschaft | System for gathering gas from a gas field comprising a high efficient high pressure compressor |
US20140178208A1 (en) * | 2011-05-30 | 2014-06-26 | Bob Okhuijsen | System for gathering gas from a gas field comprising a high efficient high pressure compressor |
WO2019162872A1 (en) * | 2018-02-23 | 2019-08-29 | Atlas Copco Airpower, Naamloze Vennootschap | Method for actuating a compressor system and a comp system |
BE1026036B1 (nl) * | 2018-02-23 | 2019-09-20 | Atlas Copco Airpower Nv | Werkwijze voor het aansturen van een compressorinrichting en compressorinrichting |
CN111699321A (zh) * | 2018-02-23 | 2020-09-22 | 阿特拉斯·科普柯空气动力股份有限公司 | 用于致动压缩机***的方法以及压缩机*** |
CN111699321B (zh) * | 2018-02-23 | 2022-03-01 | 阿特拉斯·科普柯空气动力股份有限公司 | 用于致动压缩机***的方法以及压缩机*** |
US12025119B2 (en) | 2018-02-23 | 2024-07-02 | Atlas Copco Airpower, Naamloze Vennootschap | Method for actuating a compressor system and a compressor system |
CN110195715A (zh) * | 2019-04-19 | 2019-09-03 | 中国神华能源股份有限公司 | 机械设备的可调导叶的控制方法、装置以及机械设备 |
Also Published As
Publication number | Publication date |
---|---|
EP1016787A3 (de) | 2001-02-21 |
DE19860639A1 (de) | 2000-07-06 |
DE59908016D1 (de) | 2004-01-22 |
US6293766B1 (en) | 2001-09-25 |
EP1016787B1 (de) | 2003-12-10 |
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