WO2016017559A1 - 発電装置の自立運転方法 - Google Patents
発電装置の自立運転方法 Download PDFInfo
- Publication number
- WO2016017559A1 WO2016017559A1 PCT/JP2015/071179 JP2015071179W WO2016017559A1 WO 2016017559 A1 WO2016017559 A1 WO 2016017559A1 JP 2015071179 W JP2015071179 W JP 2015071179W WO 2016017559 A1 WO2016017559 A1 WO 2016017559A1
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- WO
- WIPO (PCT)
- Prior art keywords
- converter
- power generator
- self
- speed
- command
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/04—Control effected upon non-electric prime mover and dependent upon electric output value of the generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/08—Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
- F03B15/005—Starting, also of pump-turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
- F03B15/02—Controlling by varying liquid flow
- F03B15/04—Controlling by varying liquid flow of turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
- F03B15/02—Controlling by varying liquid flow
- F03B15/04—Controlling by varying liquid flow of turbines
- F03B15/06—Regulating, i.e. acting automatically
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
- F05B2220/7068—Application in combination with an electrical generator equipped with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/388—Islanding, i.e. disconnection of local power supply from the network
-
- 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
- Y02E10/20—Hydro energy
Definitions
- the present invention relates to a self-sustained operation method of a power generator, and more particularly to a self-sustained operation method by a power generator using a permanent magnet generator.
- FIG. 7 shows a single connection diagram of a turbine generator using a permanent magnet generator. This turbine generator is connected to the electric power system 6 via an interconnection transformer 5.
- 1 is a water wheel
- 2 is a flywheel
- 3 is a permanent magnet generator, and these are connected via a bearing 4.
- Reference numeral 10 denotes a converter board.
- the converter board includes a first converter (inverter) 11, a second converter (converter) 12, a brake circuit 13 for regenerative braking, a smoothing capacitor 14, a filter unit 15, an electromagnetic switch.
- the parts such as the devices 16 and 17 and the circuit breaker 18 are provided.
- Reference numeral 20 denotes a generator panel, which includes a circuit breaker 21 that performs interconnection control with the power system 6.
- Reference numeral 30 denotes a dummy resistance device, and a plurality of resistors 33 having different resistance values are connected to each other through a circuit breaker 31 and an electromagnetic switch 32.
- a power generator using a permanent magnet generator as shown in FIG. 1 is known from, for example, Patent Document 1.
- the circuit breaker 21 When the power generator shown in FIG. 7 is connected to the power system 6, the circuit breaker 21 is turned on by outputting a connection / operation command from the generator panel 20, and then the circuit breaker 18, electromagnetic switch in the converter panel 10. By turning on 17, the alternating current from the power system 6 is converted into direct current by the converter 12 and charges the smoothing capacitor 14. When the smoothing capacitor 14 is initially charged and ready for operation, a closing command is output to the electromagnetic switch 16. Further, the control unit 40 outputs a speed command and a power factor command to the inverter 11 to operate the inverter 11, and controls the permanent magnet generator 3 in the interconnection operation range indicated by the dotted line shown in FIG.
- FIG. 8 shows the axis input of the permanent magnet generator on the vertical axis and the rotational speed on the horizontal axis.
- the rated capacity is f 0 , n 1 and n 2 before and after the rated speed n 0 are permanent. It is connected to the operation range of the magnet generator.
- An object of the present invention is to provide a self-sustaining operation method of a power generation device that uses wind power and water turbine efficiency characteristics without adding a device for self-sustained operation that has been necessary in the past.
- the present invention is connected to a permanent magnet generator coupled to an energy source, first and second converters having forward / reverse conversion functions, and a DC link portion between the first and second converters.
- a self-sustaining operation method of a power generation device comprising a smoothing capacitor and a control unit that outputs a control command to the first and second converters, and the efficiency of the energy source during the self-sustained operation of the power generation device
- the power generator is operated along an efficiency characteristic curve in a speed range from a rated speed to a maximum speed according to the characteristic curve.
- the load connected to the power generator is connected / disconnected.
- the energy source is a water wheel
- an opening degree command is output to an inlet valve of the water wheel when an operation preparation command is output by the control unit during a self-sustaining operation
- the first converter is used as a converter function.
- the second converter is operated as an inverter function when the voltage of the DC link unit is established, and a load is connected when operation preparation is completed.
- the efficiency characteristic curve according to the inlet valve opening of the water turbine is used.
- the power generator is independently operated with an energy balance corresponding to the load in a speed range equal to or higher than the rated speed of the efficiency characteristic curve. .
- independent control is possible without separately preparing equipment for independent operation such as a dummy resistance device or a high-speed guide vane control device using an electric servo.
- system of the electric power generating apparatus which shows embodiment of this invention.
- FIG. 1 is a schematic diagram showing a power generation device according to the first embodiment. This is different from FIG. 7 showing a conventional power generator in that the dummy load device is omitted. The other points are the same as in FIG.
- FIG. 2 shows an efficiency characteristic curve (hereinafter referred to as Cp characteristic curve) of the water turbine.
- Cp characteristic curve an efficiency characteristic curve
- the present invention performs a self-sustained operation for a load capacity smaller than the rated capacity of the permanent magnet generator.
- a self-sustained operation for example, as shown in FIG. using the Cp curve, and using the rated speed n 0 or more ranges as variable speed range.
- the self-sustaining operation method will be described with reference to FIGS. In FIGS. 4 to 6, the components in the operating state are indicated by hatching.
- Fig. 4 (1) to Fig. 6 (3) are outlines showing the operation procedure at the time of self-supporting operation by the power generator of Fig. 1.
- a DC control power source is connected to the converter panel 10 when the power generator is in an initial state.
- the inlet valve 1a of the water turbine 1 is in a closed state.
- an opening degree command for the inlet valve 1 a, an operation of the electromagnetic switch 16, and an operation preparation command for the first converter (inverter) 11 are output from the upper control unit 40.
- the water turbine 1 starts rotating, and the permanent magnet generator 3 starts generating power and generates a voltage.
- the first converter (inverter) 11 starts the initial charging of the smoothing capacitor 14.
- the flow rate increases as the opening of the inlet valve 1 a further advances, and the water turbine 1 is accelerated to an unconstrained speed (rated speed n 0 or more).
- charging of the smoothing capacitor 14 proceeds, and when the voltage of the DC link unit is established, the electromagnetic switch 17 and the circuit breaker 18 are turned on.
- FIG. 5 (1) when the opening degree of the inlet valve 1a is 100%, the water wheel becomes an unrestrained speed, the output voltage and the output frequency are set for the second converter (converter) 12.
- the converter 12 When the converter 12 is set to an automatic voltage / automatic frequency control function that is an inverter operation, the operation preparation is completed. From it is unloaded state in this operation ready time, water turbine speed is rotating at maximum speed n m shown in FIG.
- the numbers in the square frames correspond to the figure numbers in FIGS.
- the host control unit 40 issues a load application command to the circuit breaker CB1, and the autonomous operation is started.
- a load current flows and the voltage of the DC link unit decreases.
- the first converter (inverter) 11 controls the voltage of the DC link unit to be constant (AVR), so that the energy is insufficient.
- AVR constant
- the rotational speed is operated at a rotational speed of n m-1 commensurate with the load from maximum speed n m decreases along the Cp curve.
- the rotational speed of the water turbine 1 during the self-sustaining operation must be equal to or higher than the rated speed n 0 . The reason is that if the motor is operated at a rated speed n 0 or less, the rotational speed decreases due to overload and eventually stops.
- the power generation device is made independent by operating at a speed at which an energy balance corresponding to the load is established in a speed range equal to or higher than the rated speed of the Cp characteristic curve. To drive.
- a self-sustaining function in a connected operation device without preparing a separate operation device such as a dummy resistance device or a high-speed guide vane control device using an electric servo. It is possible to perform independent operation control only by providing
Abstract
Description
Claims (4)
- エネルギー源に連結された永久磁石発電機と、
順・逆変換機能を有する第1、第2の変換器と、
第1、第2の変換器間の直流リンク部に接続された平滑コンデンサと、
第1、第2の変換器に対して制御指令を出力する制御部と、を備えた発電装置の自立運転方法であって、
前記発電装置の自立運転時に、
前記エネルギー源の効率特性曲線による定格速度から最高速度の速度範囲で、効率特性曲線に沿って前記発電装置を運転することを特徴とした発電装置の自立運転方法。 - 発電装置に接続された負荷の接続・離脱を行うことを特徴とする請求項1記載の発電装置の自立運転方法。
- 前記エネルギー源を水車とし、
自立運転時における前記制御部による運転準備指令の出力時に水車の入口弁に開度指令を出力し、前記第1の変換器をコンバータ機能として運転し、
前記直流リンク部の電圧確立時に前記第2の変換器をインバータ機能として運転し、運転準備完了時に負荷を接続することを特徴とした請求項2記載の発電装置の自立運転方法。 - 水車の入口弁開度に応じた前記効率特性曲線を用いることを特徴とした請求項3項に記載の発電装置の自立運転方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/328,667 US10511242B2 (en) | 2014-07-28 | 2015-07-27 | Method for autonomous operation of electricity-generating device |
CN201580040691.0A CN106575935B (zh) | 2014-07-28 | 2015-07-27 | 发电设备的自动操作方法 |
EP15826870.6A EP3174193B1 (en) | 2014-07-28 | 2015-07-27 | Method for autonomous operation of electricity-generating device |
JP2015555319A JP6048595B2 (ja) | 2014-07-28 | 2015-07-27 | 発電装置の自立運転方法 |
Applications Claiming Priority (2)
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JP2014152468 | 2014-07-28 | ||
JP2014-152468 | 2014-07-28 |
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WO2016017559A1 true WO2016017559A1 (ja) | 2016-02-04 |
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PCT/JP2015/071179 WO2016017559A1 (ja) | 2014-07-28 | 2015-07-27 | 発電装置の自立運転方法 |
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US (1) | US10511242B2 (ja) |
EP (1) | EP3174193B1 (ja) |
JP (1) | JP6048595B2 (ja) |
CN (1) | CN106575935B (ja) |
WO (1) | WO2016017559A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019013775A1 (en) | 2017-07-12 | 2019-01-17 | Hewlett-Packard Development Company, L.P. | MIGRATION OF MEMORY DEVICES |
Families Citing this family (1)
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KR101961143B1 (ko) * | 2017-01-06 | 2019-03-25 | 엘지전자 주식회사 | 발전 시스템 및 발전 시스템의 발전기 제동 방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6453072A (en) * | 1987-08-20 | 1989-03-01 | Hitachi Ltd | Operation controller for variable speed pumping water type power generation system |
JP2008075521A (ja) * | 2006-09-20 | 2008-04-03 | Hitachi Ltd | 風力発電システムおよびその運転方法 |
JP2008278725A (ja) * | 2007-05-07 | 2008-11-13 | Hitachi Ltd | 風力発電システム及びその制御方法及びこれを用いた風力発電所 |
JP2012100478A (ja) * | 2010-11-04 | 2012-05-24 | Osaka Gas Co Ltd | 発電システムの制御方法及びその制御装置 |
JP2014110658A (ja) * | 2012-11-30 | 2014-06-12 | Mitsubishi Heavy Ind Ltd | 風車及びその制御方法並びに風力発電システム |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1983917A (en) * | 1931-03-07 | 1934-12-11 | Bbc Brown Boveri & Cie | Method of controlling electric drives for ships |
JPS5735166A (en) * | 1980-08-13 | 1982-02-25 | Hitachi Ltd | Control method and unit for water turbine operation |
JPS57212374A (en) * | 1981-06-22 | 1982-12-27 | Toshiba Corp | Method of operating multi-stage hydraulic machine |
JPS58140482A (ja) * | 1982-02-17 | 1983-08-20 | Hitachi Ltd | 多段水力機械の運転制御方法 |
JPS59192868A (ja) * | 1983-04-14 | 1984-11-01 | Toshiba Corp | 多段ポンプ水車の保護制御方法 |
AP1042A (en) * | 1996-12-20 | 2002-02-08 | Manuel Dos Santos Da Ponte | Hybrid generator apparatus. |
NL1010800C2 (nl) | 1998-12-14 | 2000-06-19 | Lagerwey Windturbine B V | Werkwijze en inrichting voor het omzetten van een fluïdumstroom met wisselende sterkte in elektrische energie. |
JP4003414B2 (ja) | 2001-06-29 | 2007-11-07 | 株式会社日立製作所 | 永久磁石式発電機を用いた発電装置 |
CN101291068B (zh) | 2007-04-18 | 2012-06-20 | 上海御能动力科技有限公司 | 一种发电功率全控并网式风力发电驱动系统 |
DE102008053732B8 (de) | 2008-10-29 | 2013-10-02 | Voith Patent Gmbh | Verfahren und Vorrichtung für die Leistungsregelung eines Unterwasserkraftwerks |
CA2780451A1 (en) * | 2011-06-21 | 2012-12-21 | Genalta Power, Inc. | Variable speed power generation from industrial fluid energy sources |
GB2493711B (en) | 2011-08-12 | 2018-04-25 | Openhydro Ip Ltd | Method and system for controlling hydroelectric turbines |
JP6109528B2 (ja) | 2012-10-29 | 2017-04-05 | 京セラ株式会社 | 電力制御装置および電力制御方法 |
CN103306886B (zh) * | 2013-05-29 | 2016-03-30 | 郑程遥 | 一种水轮发电机组的全参数调节控制方法 |
-
2015
- 2015-07-27 WO PCT/JP2015/071179 patent/WO2016017559A1/ja active Application Filing
- 2015-07-27 US US15/328,667 patent/US10511242B2/en active Active
- 2015-07-27 EP EP15826870.6A patent/EP3174193B1/en active Active
- 2015-07-27 CN CN201580040691.0A patent/CN106575935B/zh active Active
- 2015-07-27 JP JP2015555319A patent/JP6048595B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6453072A (en) * | 1987-08-20 | 1989-03-01 | Hitachi Ltd | Operation controller for variable speed pumping water type power generation system |
JP2008075521A (ja) * | 2006-09-20 | 2008-04-03 | Hitachi Ltd | 風力発電システムおよびその運転方法 |
JP2008278725A (ja) * | 2007-05-07 | 2008-11-13 | Hitachi Ltd | 風力発電システム及びその制御方法及びこれを用いた風力発電所 |
JP2012100478A (ja) * | 2010-11-04 | 2012-05-24 | Osaka Gas Co Ltd | 発電システムの制御方法及びその制御装置 |
JP2014110658A (ja) * | 2012-11-30 | 2014-06-12 | Mitsubishi Heavy Ind Ltd | 風車及びその制御方法並びに風力発電システム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019013775A1 (en) | 2017-07-12 | 2019-01-17 | Hewlett-Packard Development Company, L.P. | MIGRATION OF MEMORY DEVICES |
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Publication number | Publication date |
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CN106575935B (zh) | 2019-03-08 |
JP6048595B2 (ja) | 2016-12-21 |
US20170214348A1 (en) | 2017-07-27 |
EP3174193B1 (en) | 2019-09-11 |
CN106575935A (zh) | 2017-04-19 |
US10511242B2 (en) | 2019-12-17 |
JPWO2016017559A1 (ja) | 2017-04-27 |
EP3174193A4 (en) | 2018-07-11 |
EP3174193A1 (en) | 2017-05-31 |
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