CN106194597A - Strong wind safe early warning control method in the looped network of a kind of wind power generating set - Google Patents
Strong wind safe early warning control method in the looped network of a kind of wind power generating set Download PDFInfo
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- CN106194597A CN106194597A CN201610528817.5A CN201610528817A CN106194597A CN 106194597 A CN106194597 A CN 106194597A CN 201610528817 A CN201610528817 A CN 201610528817A CN 106194597 A CN106194597 A CN 106194597A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response 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
-
- 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
- F05B2260/00—Function
- F05B2260/82—Forecasts
- F05B2260/821—Parameter estimation or prediction
- F05B2260/8211—Parameter estimation or prediction of the weather
-
- 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)
- F05B2270/1011—Purpose of the control system to control rotational speed (n) to prevent overspeed
-
- 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
-
- 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
- F05B2270/321—Wind directions
-
- 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
- F05B2270/328—Blade pitch angle
-
- 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
The invention provides strong wind safe early warning control method in the looped network of a kind of wind power generating set, fan starting is grid-connected, run blower fan and set up the wind information tables of data of real-time update, and judge this Fans current operating conditions according to wind information tables of data and this Fans real-time running data, and send this TV station blower fan and cause hypervelocity information data；What looped network server reception operation blower fan sent causes hypervelocity information data, the wind field data of storage in coupling collar network server, judge to be positioned at and there is the blower fan number that will be fed through to by strong wind of wind direction under hypervelocity possible operation blower fan, set up and involved the early warning information table of blower fan for wind direction under difference；Lower wind direction is received, by involving blower fan, the early warning information table that looped network server sends, and combines this Fans wind information tables of data and this Fans current operating conditions data, formulates the early warning Disposal Strategies being applicable to this Fans；Lower wind direction is involved blower fan and early warning Disposal Strategies informationization is returned looped network server.
Description
Technical field
The invention belongs to technical field of wind power generation, in being specifically related to the looped network of a kind of wind power generating set, strong wind safety is pre-
Alert control method.
Background technology
Recently as the fast development of wind-powered electricity generation industry, a large amount of blower fans are installed to untraversed region, these areas
Climatic fluctuation is relatively big, bad environments, how to improve needs when the safety of wind power generating set has become as Control System Design
The aspect that emphasis considers.Generally, in same wind field, wind-resources situation is generally identical, although blower fan divides
Cloth is in different positions, and distance each other is the most distant, but the change of a period of time endogenous wind is identical, i.e. short when having
Time or long-time strong wind when coming, be in wind upwind machine always first it is detected that and make respective reaction action, be in down
Similar reaction action is made in the arrival as well as strong wind subsequently of the blower fan of wind direction.
By master control system built-in sensors, traditional blower fan strong wind method of controlling security mainly detects that blower fan exceeds the speed limit, vertical
I.e. start the emergent shutdown scheme that master control system is built-in, emergency shutdown protection blower fan under high wind conditions.But, this tradition side
Method is promptly to protect based on the blower fan under overspeed situation, once starts, even if blower fan is in full hair-like state, it is also desirable to urgent
Shutting down, emergency shutdown is the hugest to the vibration influence of whole tower, especially promptly stopping under strong wind full load conditions
Machine, it is easy to cause the damage of fan part.And, this traditional blower fan strong wind method of controlling security is limited only to this typhoon
Machine, it is impossible to and in wind field, other blower fans carry out the shared, therefore, when strong wind lacks warning function, no temporarily of wind information data
Can do sth. in advance steadily to shut down.
Apart from the above, if the comparison that strong wind comes is unexpected, in short-term in cause upwind blower fan emergency shutdown, leeward is aweather
Machine does not has again early warning, when strong wind arrives also can emergency shutdown, such chain reaction can cause whole when dashing forward strong wind in short-term
A large amount of blower fan emergency shutdowns of individual wind field, not only lose generated energy, damage blower fan its own system, also power grid security can be caused shadow
Ring.Understanding based on above-mentioned, existing wind-driven generator strong wind method of controlling security cannot come interim the most steady at strong wind
Stable blower fan.
Summary of the invention
The invention provides strong wind safe early warning control method in the looped network of a kind of wind power generating set, when strong wind is attacked suddenly
Give warning in advance, it is ensured that leeward, to blower fan urgent danger prevention, safe shutdown, protects fan safe, power grid security, it is ensured that generated energy.
Strong wind safe early warning control method in the looped network of the wind power generating set that the present invention provides, comprises the following steps:
S1, fan starting are grid-connected, run blower fan and measure system acquisition this Fans wind information data by wind, run blower fan
Master control system set up the wind information tables of data of real-time update according to this Fans wind information data, run fan master control system and depend on
Judge this Fans current operating conditions according to this Fans wind information tables of data and this Fans real-time running data, and send this
Fans causes hypervelocity information data；
What S2, looped network server reception operation blower fan sent causes hypervelocity information data, is analyzed processing, and coupling collar
The wind field data of storage in network server, calculate the distinguished and admirable dynamic data in wind field a period of time, and judge to be positioned at existence hypervelocity
The blower fan number that will be fed through to by strong wind of wind direction under blower fan may be run, set up and involved the early warning of blower fan for wind direction under difference
Information table, and send corresponding lower wind direction to and involved blower fan；
S3, lower wind direction are received, by involving blower fan, the early warning information table that looped network server sends, and combine this Fans wind
Breath tables of data and this Fans current operating conditions data, formulate the early warning Disposal Strategies being applicable to this Fans；
S4, lower wind direction are involved blower fan and early warning Disposal Strategies informationization are returned looped network server, converge for looped network server
Always, optimize the early warning in later stage to process.
Further, described wind measurement system includes that wind speed measuring sensor and wind direction measure sensor.
Further, described wind information data include wind speed, wind direction, wind speedup, wind vector rate.
Further, described fan operation state is divided into shutdown, full-load run, underload to run.
Further, described wind field data include that blower fan topological relation data, wind field wind energy distributed data, power of fan are bent
Line data, every Fans geographic position data, wind field geographic position data.
Beneficial effects of the present invention: the control strategy using look-ahead based on the exchange of high speed winds field data to judge, makes
Blower fan data sharing in looped network, and move towards by early warning system look-ahead strong wind flowing in whole wind field and contain
Energy, carries out corresponding preparation and status adjustment, and the increase of energy look-ahead wind in advance in a period of time before wind arrives
Speed, advances the speed to wind and the rate requirement in power curve contrasts, and predicting, wind speedup is excessive, and blower fan is difficult to arrive at wind
Maintain when reaching stable in the case of, load shedding downrating in advance, there is when strong wind arrives the adjustable space of buffering, prevent
Occur that instantaneous hypervelocity or superpower situation occur, emergency shutdown number of times can be reduced again while not losing generated energy, reduce
The emergency shutdown infringement to blower fan power generation system parts, reduces the jerk that whole electricity generation system is brought by emergency shutdown, carries
The safe and stable property of high fan operation, stops to occur in the runaway accident that emergency shutdown in the case of high wind unsuccessfully causes.
Accompanying drawing explanation
Fig. 1 be embodiment of the present invention wind power generating set looped network in strong wind safe early warning control system topological relation figure,
Fig. 2 is the inventive method flow chart.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein is used only for explaining the present invention, no
It is understood that the restriction for protection domain concrete to the present invention.
Embodiment
With reference to Fig. 1, the strong wind safe early warning control system of the wind power generating set of the present embodiment, including multiple stage wind-power electricity generation
Machine (figure is shown with 6 typhoon power generators), looped network server, wind field Control Room,
Described multiple stage wind-driven generator is connected by optic fibre of looped network communication, and described every typhoon power generator has wind and measures system
System, described multiple stage wind-driven generator is connected with looped network server communication by optic fibre of looped network, and described wind field Control Room passes through looped network
Optical fiber is connected with looped network server communication.
With reference to Fig. 2, the early warning controlling party of strong wind safe early warning control system in looped network based on described wind power generating set
Method, comprises the following steps:
S1, fan starting are grid-connected, run blower fan and measure system acquisition this Fans wind information data by wind, run blower fan
Master control system set up the wind information tables of data of real-time update according to this Fans wind information data, run fan master control system and depend on
Judge this Fans current operating conditions according to this Fans wind information tables of data and this Fans real-time running data, and send this
Fans causes hypervelocity information data.
Described wind is measured system and is included that wind direction measures sensor and wind speed measuring sensor.Described wind information tables of data interior
Holding and include current wind speed, wind direction, wind speedup, wind vector rate, rotating speed enhancing rate etc., wherein, wind speedup is an important letter
Breath point, it comprises the degree that wind speed increases at short notice, the grade that i.e. acceleration of wind speed can reach, once exceedes
The level upper limit, represents wind speed now and can cause the instantaneous hypervelocity of blower fan.Described master control system also can calculate this TV station blower fan current and
Following wind wheel and generator speed speedup curve.
Described fan operation state is divided into shutdown, underload to run, full-load run, if described blower fan is in shutdown shape
State, looped network server can be searched according to machine halt trouble table and shut down reason, checks whether shutdown reason is because strong wind causes blower fan wink
Time hypervelocity.
If blower fan is in underload running status, due to the design of pitch-controlled system, in order to obtain the energy of maximum, blade
Being in 0 ° of state to run, if carrying out strong wind this time, blade is motionless, and current transformer carries out direct torque, promotes rotating speed and improves
Generated output, when wind speed continues to increase, and blade reaches full-load run state at 0 ° of blower fan, and in order to maintain constant frequency, blade can return oar,
Angle is regulated in real time according to generator speed.Wind speedup and blade return the ratio K of oar maximal rate the upper limit, when K value exceedes
The upper limit, represents wind speedup and returns the speed of oar considerably beyond blade, even if using maximum to return oar speed, can not offset wind speedup band
The rotation speed of fan come promotes rapidly, and blower fan still can exceed the speed limit, and now, master control system is respectively by underload running status and full-load run
State is respectively divided into multiple grade, and the present embodiment is divided into four grades, and underload state is the one-level that will not cause hypervelocity
Rotating speed promote and Second-Stage Rotating Speed promote, and can cause hypervelocity one-level rotating speed promote transfinite and Second-Stage Rotating Speed promote transfinite.Full
Load state be divided into will not cause the one-level of hypervelocity put away the oars speed, two grades put away the oars speed and can cause the one-level of hypervelocity put away the oars speed surpass
Limit, two grades of speed of putting away the oars transfinite.When master control system judges the only rotation speed of fan lifting that wind speedup is brought, can be by wind speedup
Make a contrast table with rotating speed lifting and be sent to looped network server, be intended for leeward to blower fan reference.When master control system judges that wind increases
The hypervelocity causing hypervelocity that what speed belt came be probably than time, just will cause hypervelocity information data transmission looped network server.And master control
System also needs to add up whether cause the reason of hypervelocity be that pitch-controlled system speed of putting away the oars is inadequate, or master control system is for strong wind
Response time not etc..
What S2, looped network server reception operation blower fan sent causes hypervelocity information data, is analyzed processing, and coupling collar
The wind field data of storage in network server, calculate the distinguished and admirable dynamic data in wind field a period of time, and judge to be positioned at existence hypervelocity
The blower fan number that will be fed through to by strong wind of wind direction under blower fan may be run, set up and involved the early warning of blower fan for wind direction under difference
Information table, and send corresponding lower wind direction to and involved blower fan.
Described wind field data include blower fan topological relation data, wind field wind energy distributed data, power of fan curve data, every
Fans geographic position data, wind field geographic position data.
S3, lower wind direction are received, by involving blower fan, the early warning information table that looped network server sends, and combine this Fans wind
Breath tables of data and this Fans current operating conditions data, formulate the early warning Disposal Strategies being applicable to this Fans.
Described leeward to blower fan can by limit power, limit rotating speed, return blade, go off course, adjust current transformer torque signals etc.
Mode tackles strong wind.
S4, lower wind direction are involved blower fan and early warning Disposal Strategies informationization are returned looped network server, converge for looped network server
Always, optimize the early warning in later stage to process.
Claims (5)
1. strong wind safe early warning control method in the looped network of a wind power generating set, it is characterised in that: comprise the following steps:
S1, fan starting are grid-connected, run blower fan and measure system acquisition this Fans wind information data by wind, run the master of blower fan
Ore-controlling Role sets up the wind information tables of data of real-time update according to this Fans wind information data, runs fan master control system according to this
Fans wind information tables of data and this Fans real-time running data judge this Fans current operating conditions, and send this TV station wind
Power traction plays hypervelocity information data；
What S2, looped network server reception operation blower fan sent causes hypervelocity information data, is analyzed processing, and combines looped network clothes
The interior wind field data stored of business device, calculate the distinguished and admirable dynamic data in wind field a period of time, and judge that being positioned at existence exceeds the speed limit possible
Run the blower fan number that will be fed through to by strong wind of wind direction under blower fan, set up and involved the early warning information of blower fan for wind direction under difference
Table, and send corresponding lower wind direction to and involved blower fan；
S3, lower wind direction are received, by involving blower fan, the early warning information table that looped network server sends, and combine this Fans wind information number
According to table and this Fans current operating conditions data, formulate the early warning Disposal Strategies being applicable to this Fans；
S4, lower wind direction are involved blower fan and early warning Disposal Strategies informationization are returned looped network server, collect for looped network server, excellent
Change the early warning in later stage to process.
Strong wind safe early warning control method in the looped network of wind power generating set the most according to claim 1, it is characterised in that:
Described wind is measured system and is included that wind speed measuring sensor and wind direction measure sensor.
Strong wind safe early warning control method in the looped network of wind power generating set the most according to claim 1, it is characterised in that:
Described wind information data include wind speed, wind direction, wind speedup, wind vector rate.
Strong wind safe early warning control method in the looped network of wind power generating set the most according to claim 1, it is characterised in that:
Described fan operation state is divided into shutdown, full-load run, underload to run.
Strong wind safe early warning control method in the looped network of wind power generating set the most according to claim 1, it is characterised in that:
Described wind field data include blower fan topological relation data, wind field wind energy distributed data, power of fan curve data, every Fans ground
Reason position data, wind field geographic position data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528817.5A CN106194597A (en) | 2016-07-06 | 2016-07-06 | Strong wind safe early warning control method in the looped network of a kind of wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528817.5A CN106194597A (en) | 2016-07-06 | 2016-07-06 | Strong wind safe early warning control method in the looped network of a kind of wind power generating set |
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| CN106194597A true CN106194597A (en) | 2016-12-07 |
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| CN201610528817.5A Pending CN106194597A (en) | 2016-07-06 | 2016-07-06 | Strong wind safe early warning control method in the looped network of a kind of wind power generating set |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825449A (en) * | 2018-06-26 | 2018-11-16 | 新疆金风科技股份有限公司 | Wind power generating set driving method for early warning and device |
| CN110399994A (en) * | 2018-04-17 | 2019-11-01 | 江苏金风科技有限公司 | The typhoon method for early warning and equipment of wind power plant |
| CN115653831A (en) * | 2022-11-11 | 2023-01-31 | 国家能源集团山西电力有限公司 | Emergency yaw control system and method for wind generating set |
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| EP2728178A1 (en) * | 2012-11-01 | 2014-05-07 | General Electric Company | System and method for operating wind farm |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110399994A (en) * | 2018-04-17 | 2019-11-01 | 江苏金风科技有限公司 | The typhoon method for early warning and equipment of wind power plant |
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| CN115653831A (en) * | 2022-11-11 | 2023-01-31 | 国家能源集团山西电力有限公司 | Emergency yaw control system and method for wind generating set |
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