CN106837689B - A kind of control method of wind power generating set brake system - Google Patents
A kind of control method of wind power generating set brake system Download PDFInfo
- Publication number
- CN106837689B CN106837689B CN201611062752.6A CN201611062752A CN106837689B CN 106837689 B CN106837689 B CN 106837689B CN 201611062752 A CN201611062752 A CN 201611062752A CN 106837689 B CN106837689 B CN 106837689B
- Authority
- CN
- China
- Prior art keywords
- generating set
- power generating
- shutter
- wind power
- wind
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- 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
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0244—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
-
- 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
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0264—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for stopping; controlling in emergency situations
- F03D7/0268—Parking or storm protection
-
- 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
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0276—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
-
- 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
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
- F03D7/047—Automatic control; Regulation by means of an electrical or electronic controller characterised by the controller architecture, e.g. multiple processors or data communications
-
- 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
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/101—Purpose of the control system to control rotational speed (n)
- F05B2270/1014—Purpose of the control system to control rotational speed (n) to keep rotational speed constant
-
- 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
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/32—Wind speeds
-
- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
A kind of control method of wind power generating set brake system; to be mounted on the shutter of Wind turbines air inlet as brake system; utilize the folding of wind turbine control system control shutter; to change the intake of wind power generating set, changes the wind speed size into wind power generating set and shut down to realize；Shutter is connect with wind turbine control system by cabin central controller, and cabin central controller is executed instruction by bus, controls the folding of shutter.
Description
Technical field
The present invention relates to a kind of control methods of the brake system of wind power generating set.
Background technique
Currently, traditional wind power generating set be generally provided with two-stage brake, it may be assumed that the pitch-controlled system of wind power generating set and
Mechanical brake at high speed shaft.The brake control mode of traditional wind power generating set is under control of the control system, by two
The different the corresponding combinations that group is braked according to fault level.When fault level is lower, pitch-controlled system brake is only put into；When event
When hindering higher ranked, then need all to put into the mechanical brake at pitch-controlled system and high speed shaft, decision condition is unit
Revolving speed.Usually first investment pitch-controlled system brake, when the wheel speed of unit is reduced to 3 turns or 5 turns, then puts into high speed shaft
The mechanical brake at place, to help unit quickly static can get off.
This traditional brake modes rely primarily on the brake system of Wind turbines itself, and with reducing, Wind turbines itself are right
The absorption of wind energy, or increase the mode of Wind turbines damping to realize that unit is braked.This mode is limited by brake system
Timeliness is responded, it is maximum the disadvantage is that huge shock loading and unit vibration are brought to unit, to the mechanical performance and peace of unit
Full property is all huge test.
Summary of the invention
The purpose of the present invention is overcoming the brake control of traditional wind group, a kind of new Wind turbines are proposed
The control method of brake system.
The present invention, as brake system, utilizes wind power generating set using the shutter for the air inlet for being mounted on Wind turbines
Control system controls the folding of shutter, controls the intake of wind power generating set, changes the wind speed for entering wind power generating set
Size is shut down to realize.Shutter is connect with wind turbine control system by cabin central controller, the control of cabin center
Device processed is executed instruction by bus, controls the folding of shutter.
Different, the different shutter of the settable quantity of every unit according to the power of wind power generating set.
The core controller that the wind turbine control system uses is bachmann PLC, wind power generating set
Control system makes to complete communication between the module of the PLC of control system using fastbus communication modes；
Wind turbine control system controls multiple shutters respectively: different according to wind power generating set fault level
The shutter for opening and closing different number controls the speed for opening and closing shutter according to fault level difference.In wind-force
In generating set normal course of operation, control system needs to determine the opening and closing of shutter with actual wind speed according to revolving speed
Position.
Wind turbine control system is as follows to the control method of shutter brake system:
Wind turbine control system starts power up self-test, first determine whether wind power generating set whether failure, if wind
Power generator group failure, then wind power generating set does not start, and shutter is in close state, and to unit failure reset, opens again
Motivation group, opens shutter at this time.If control system judges wind power generating set fault-free, wind power generating set, which enters, to be opened
In the dynamic stage, wind turbine control system calculates shutter opening angle, when wind power generating set meets grid-connected conditions, wind-force
Gen-set control system issues grid-connected instruction.If the output of wind power generating set does not reach rated power, hundred are kept
Leaf window is constantly in open state；If the output of wind power generating set reaches rated power, control system recalculates blinds
The angle that window is opened, makes wind power generating set maintain rated power.In wind power generating set operational process, wind-driven generator
Set control system real-time judge unit whether failure, if there is failure, wind turbine control system calculates shutter speed
Degree closes shutter according to calculated speed, guarantees that unit safety is shut down.
The calculation basis of the opening angle of shutter is current wind speed, and control target is the revolving speed wind power generating set
Control is in rated speed, so reducing the opening speed of shutter when the wind velocity increases, increases shutter when wind speed reduces
Opening angle.
Another foundation of the opening speed of shutter is the fault level of wind power generating set.The failure of wind power generating set
Grade includes that unit the emergency shutdown of catastrophe failure occurs: catastrophe failure includes that revolving speed is excessively high, is vibrated excessive etc.；Unit occurs one
As failure generally shut down, generic failure includes generator-temperature detection height, and wind speed is beyond unit range of operation etc. and orderly closedown:
I.e. unit does not have faulty manual stoppage.The closing velocity of shutter is most fast when emergency shutdown, and shutter is closed when generally shutting down
Speed is placed in the middle, and the speed that shutter is closed when orderly closedown is most slow.
Control system of wind turbines has uninterruptible power supply, and shutter is also connected with uninterruptible power supply, to guarantee in power grid
Unit can execute shutdown when power down.
The present invention is easy to implement, and can effectively play a protective role, major advantage:
1) the shutter brake modes that the present invention uses are mainly and enter the wind speed size of unit by change to shut down to realize
, it is the absorption for reducing energy from source, the load that unit needs to bear thus greatly reduces, improves wind-power electricity generation
The security performance of unit；
2) control system realizes the shutdown of unit by controlling the folding of multiple shutters, when any one shutter failure
When can star other shutters and realize that wind power generating sets are shut down, improve the security performance of wind power generating set；
3) control system can control the folding angle of shutter according to the speed demand and wind conditions of wind power generating set
Degree and folding speed, to keep the control of unit more steady.
Detailed description of the invention
Fig. 1 control system architecture figure；
Fig. 2 shutter brake electrical schematic diagram；
Fig. 3 shutter brake flow chart.
Specific embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
The present invention uses brake system of the shutter as wind power generating set.
The present invention, as brake system, utilizes opening for wind turbine control system control shutter using shutter
It closes, to change the intake of wind power generating set, changes the wind speed size into wind power generating set and shut down to realize.Shutter
It being connect with wind turbine control system by cabin central controller, cabin central controller is executed instruction by bus,
Control the folding of shutter.
The shutter is mounted on the air inlet of Wind turbines, different according to the power of wind power generating set, every machine
The different shutter of the settable quantity of group, the present embodiment use a shutter, which is mounted on bucket front.
As shown in Fig. 2, wind turbine control system includes the UPS for providing uninterruptible power supply for shutter, realizes wind
The PLC of power generator group control, the Switching Power Supply that 24V power supply is provided for PLC, 230V Alternating Current Power Supply bus, 24V direct current supply are female
Line, control contactor and contactor auxiliary contact.Wherein contactor auxiliary contact 13/14,23/24,33/34,43/44
It is under the jurisdiction of contactor K1, K2, K3, K4 respectively.
After wind power generating set powers on, if wind power generating set does not have failure.UPS is exchanged with Switching Power Supply by 230V
Power supply buses and 24V direct current supply bus are that shutter and PLC power.In wind power generating set K1, K2, K3, K4 start-up course
In, according to current wind regime and current speed demand to four contactors K1, K2, K3, K4 issues dynamic the PLC of control system
It instructs, contactor auxiliary contact execute movement accordingly, open shutter.When wind power generating set reach rated power with
On, control system calculates shutter opening angle according to current wind regime, is adjusted by the instruction dynamic that PLC is issued to contactor
Whole shutter angle；When wind power generating set disorderly closedown, control system PLC calculates what needs were closed according to fault level difference
The closing velocity of shutter, adjustment shutter to closed state guarantee compressor emergency shutdown.
Fig. 3 show control system control shutter brake process.As shown in figure 3, step 101, on system starts
Step 102 electric self-test judges system whether report unit failure if failure enters step 108, otherwise enter step by failure
103, unit enters startup stage, starts simultaneously at step 104, PLC calculates shutter angle and step 105 quantity 1 judges machine
Whether failure if failure enters step 108 to group, reports unit failure, otherwise enters step 106, whether interpretation unit reaches volume
Determine power, if not reaching rated power, return step 104 enters step 107, PLC calculating if reaching rated power
Shutter angle and quantity, step 108 judge whether failure enters step 109, PLC and calculate shutter angle unit if failure
Degree and quantity 3, EP (end of program).
Claims (4)
1. a kind of control method of wind power generating set brake system is made with being mounted on the shutter of wind power generating set air inlet
The intake of wind power generating set is controlled using the folding of wind turbine control system control shutter for brake system,
Change the wind speed size into wind power generating set to shut down to realize；Shutter and wind turbine control system pass through cabin
Central controller connection, cabin central controller are executed instruction by bus, control the folding of shutter,
It is characterized in that, wind turbine control system is as follows to the control method of shutter brake system:
Wind turbine control system starts power up self-test, first determine whether wind power generating set whether failure, if wind-force send out
Motor group: failure, then wind power generating set does not start, and shutter is in close state, to wind power generating set failure reset, weight
New starting wind power generating set, opens shutter at this time；If wind turbine control system judge wind power generating set without
Failure, then wind power generating set enters startup stage, and wind turbine control system calculates shutter opening angle, works as wind-force
Generating set meets grid-connected conditions, and wind turbine control system issues grid-connected instruction；If the output of wind power generating set
Do not reach rated power, then keeps shutter to be constantly in open state；If the output of wind power generating set reaches specified
Power, wind turbine control system recalculate the angle of shutter unlatching, wind power generating set are made to maintain specified function
Rate；In wind power generating set operational process, wind turbine control system real-time judge wind power generating set whether failure,
If there is failure, wind turbine control system calculates shutter opening speed, closes blinds according to calculated speed
Window guarantees wind power generating set safe shutdown.
2. the control method of wind power generating set brake system described in accordance with the claim 1, it is characterised in that: shutter is opened
The calculation basis of angle is current wind speed, and control target is that the revolving speed of wind power generating set is controlled in rated speed, works as wind
The opening angle for reducing shutter when speed increases, increases the opening angle of shutter when wind speed reduces.
3. the control method of wind power generating set brake system described in accordance with the claim 1, it is characterised in that: shutter is opened
The foundation for opening speed is the fault level of wind power generating set, the emergency shutdown of catastrophe failure occurs including wind power generating set:
Catastrophe failure includes that revolving speed is excessively high or vibration is excessive；There is the general shutdown of generic failure: generic failure packet in wind power generating set
Generator-temperature detection height is included, wind speed exceeds wind power generating set range of operation；Orderly closedown: i.e. wind power generating set does not have faulty
Manual stoppage；The closing velocity of shutter is most fast when emergency shutdown, and shutter closing velocity is placed in the middle when generally shutting down, orderly closedown
When shutter close speed it is most slow.
4. the control method of wind power generating set brake system described in accordance with the claim 1, it is characterised in that: control system control
Shutter brake process processed is as follows: step 101, wind power generating set brake system starts power up self-test, step 102, sentences
Whether failure if failure enters step 108 reports wind power generating set failure to disconnected wind power generating set brake system, otherwise into
Enter step 103, wind power generating set enters startup stage, start simultaneously at step 104, PLC calculate shutter opening angle and
Step 105 the shutter quantity of unlatching judges that whether failure if failure enters step 108 to wind power generating set, reports wind-force
Otherwise generating set failure enters step 106, whether interpretation wind power generating set reaches rated power, if not reaching volume
Determine power, return step 104 enters step opening angle and unlatching that 107, PLC calculates shutter if reaching rated power
Shutter quantity, step 108 judge wind power generating set whether failure, if failure, enter step 109, PLC calculate blinds
Window opening angle and the shutter quantity of unlatching, EP (end of program).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611062752.6A CN106837689B (en) | 2016-11-25 | 2016-11-25 | A kind of control method of wind power generating set brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611062752.6A CN106837689B (en) | 2016-11-25 | 2016-11-25 | A kind of control method of wind power generating set brake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106837689A CN106837689A (en) | 2017-06-13 |
| CN106837689B true CN106837689B (en) | 2019-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611062752.6A Expired - Fee Related CN106837689B (en) | 2016-11-25 | 2016-11-25 | A kind of control method of wind power generating set brake system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106837689B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638839B (en) * | 2021-08-23 | 2022-07-29 | 中国船舶重工集团海装风电股份有限公司 | Wind turbine generator system shutdown protection function self-checking method and wind turbine generator system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2932538A1 (en) * | 2008-06-16 | 2009-12-18 | Mireno Greselin | Wind turbine, has assembly formed by inclined blades between metal sheet discs integrated to shaft of turbine, where assembly is maintained at ground against strong winds by wheels circulating in circular rails concentric to shaft |
| CN102267375A (en) * | 2010-06-01 | 2011-12-07 | 赵立兵 | Vehicle-mounted wind driven generator grating with worm and gear transmission |
-
2016
- 2016-11-25 CN CN201611062752.6A patent/CN106837689B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2932538A1 (en) * | 2008-06-16 | 2009-12-18 | Mireno Greselin | Wind turbine, has assembly formed by inclined blades between metal sheet discs integrated to shaft of turbine, where assembly is maintained at ground against strong winds by wheels circulating in circular rails concentric to shaft |
| CN102267375A (en) * | 2010-06-01 | 2011-12-07 | 赵立兵 | Vehicle-mounted wind driven generator grating with worm and gear transmission |
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| Publication number | Publication date |
|---|---|
| CN106837689A (en) | 2017-06-13 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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