CN107654335B - Yaw control method and device of wind generating set - Google Patents
Yaw control method and device of wind generating set Download PDFInfo
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- CN107654335B CN107654335B CN201610599439.XA CN201610599439A CN107654335B CN 107654335 B CN107654335 B CN 107654335B CN 201610599439 A CN201610599439 A CN 201610599439A CN 107654335 B CN107654335 B CN 107654335B
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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
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- 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
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- 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
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Abstract
The embodiment of the invention provides a yaw control method and a yaw control device of a wind generating set, wherein the control method comprises the following steps: acquiring wind condition data measured by an edge reference fan of a wind power plant and wind condition data measured by an internal wind generating set in the wind power plant; if the wind condition data of the edge reference fan is inconsistent with the wind condition data measured at the last moment of the edge reference fan, generating yaw control data of the internal wind generating set according to the wind condition data of the edge reference fan and the wind condition data of the internal wind generating set; and sending the yaw control data to a yaw control system of the internal wind generating set. By adopting the technical scheme of the embodiment of the invention, the wind generating set is controlled to carry out wind alignment or yaw in advance, and the wind energy utilization efficiency of the wind generating set is improved.
Description
Technical field
The present invention relates to the Yaw control methods and dress of technical field of wind power generation more particularly to a kind of wind power generating set
It sets.
Background technique
With the continuous expansion of wind-power electricity generation scale, other than the preferable inland of wind energy resources and coastal area, mountain
Demand of the area to wind-power electricity generation is also increasing.
In the implementation of the present invention, following problems exist in the prior art in inventor: wind power generating set exists
In operational process, after master control system detects wind vector, control yaw system is yawed, and detects wind direction from master control system
It changes to yaw system and completes to yaw and need a period of time.During wind power generating set carries out when starting to wind, if machine
Freight space set it is larger with wind deflection, then to windage yaw boat time it is generally longer, it might even be possible to reach 6~10 minutes.Yaw or
It is longer to the time of windage yaw boat, for separate unit blower, in the short time caused by generated energy loss it is smaller, but for multiple wind-powered electricity generations
Generated energy loss in field, long-term is immeasurable.Wind direction is predicted, in advance yaw or to wind, can be very
The wind energy utilization efficiency that wind-driven generator is improved in big degree, for the wind power plant of mountainous region, landform and atmospheric temperature etc.
It is affected to wind direction and wind speed, it is difficult to which Accurate Prediction is carried out to the wind direction of the wind power generating set in the wind power plant of mountainous region.
Summary of the invention
The Yaw control method and device for being designed to provide a kind of wind power generating set of the embodiment of the present invention improve wind
The wind energy utilization efficiency of power generator.
According to an aspect of the present invention, a kind of Yaw control method of wind power generating set, the control method packet are provided
Include: the inside wind power generating set obtained in the wind regime data and the wind power plant that the edge of wind power plant is measured with reference to blower measures
Wind regime data；If the wind regime that the edge is measured with reference to the wind regime data of blower and the edge with reference to blower last moment
Data are inconsistent, then raw with reference to the wind regime data of blower and the wind regime data of the internal wind power generating set according to the edge
Data are controlled at the yaw of the internal wind power generating set；Yaw control data are sent to the internal wind-power electricity generation
The yaw control system of unit.
Optionally, in the wind regime data and the wind power plant that the edge for obtaining wind power plant is measured with reference to blower
Before the step of wind regime data that portion's wind power generating set measures, the control method further include: obtain more edge of table wind-force hairs
The wind direction data and air speed data that motor group measures；Choose edge wind-force hair of the wind direction data within the scope of preset wind direction
Motor group refers to blower as the edge.
Optionally, the wind regime of the wind regime data and the internal wind power generating set that blower is referred to according to the edge
The yaw control data bag that data generate the internal wind power generating set includes: the wind regime data of blower are referred to according to the edge
Determine the internal wind power generating set with the wind regime data of the internal wind power generating set first determines the wind direction in advance；If root
The wind direction measured from the internal wind power generating set and described the are determined according to the wind regime data of the internal wind power generating set
One determine the wind direction in advance between difference compare last moment and become smaller, then determine the wind direction in advance according to described first and generate the internal wind-force hair
The yaw of motor group controls data；Or/also, if determined according to the wind regime data of the internal wind power generating set from institute
State wind direction that internal wind power generating set measures and described first determine the wind direction in advance between difference compare last moment and become larger or not
Become, then data is controlled according to the yaw that the wind regime data of the internal wind power generating set generate the wind power generating set.
Optionally, the wind regime of the wind regime data and the internal wind power generating set that blower is referred to according to the edge
The yaw control data bag that data generate the internal wind power generating set includes: the wind regime data of blower are referred to according to the edge
Determine the internal wind power generating set with the wind regime data of the internal wind power generating set first determines the wind direction in advance；According to institute
The wind regime data decimation for stating internal wind power generating set is currently located at the weather side ginseng of the internal wind power generating set weather side
Examine blower；Obtain the wind direction data that the weather side refers to blower；Wind direction data and institute according to the weather side with reference to blower
The wind regime data for stating internal wind power generating set determine that the second of the internal wind power generating set determines the wind direction in advance；If described
One determines the wind direction in advance determines the wind direction unanimously in advance with preset second, and is determined according to the wind regime data of the internal wind power generating set
From the wind direction that the internal wind power generating set measures and described first determine the wind direction in advance between difference compare last moment and become smaller,
It then determines the wind direction in advance according to described first and generates the yaw control data of the internal wind power generating set；If first prediction
Wind direction determines the wind direction consistent and determining from described interior according to the wind regime data of the internal wind power generating set in advance with described second
Wind direction that portion's wind power generating set measures and described first determine the wind direction in advance between difference compare last moment and become larger or constant, then
Data are controlled according to the yaw that the wind regime data of the internal wind power generating set generate the wind power generating set；Or/and
And if described first determine the wind direction in advance determine the wind direction in advance with described second it is inconsistent, according to the internal wind power generating set
Wind regime data generate the yaw control data of the wind power generating set.
Optionally, the wind regime of the wind regime data and the internal wind power generating set that blower is referred to according to the edge
Data determine that the first of internal wind power generating set the step of determining the wind direction in advance included: the with reference to blower according to the edge
First wind direction data of one air speed data and the internal wind power generating set determines that described first determines the wind direction in advance；Or/also,
Described in the wind regime data of the wind direction data and the internal wind power generating set for referring to blower according to the weather side determine
The step of the second of internal wind power generating set determines the wind direction in advance includes: the second air speed data that blower is referred to according to the weather side
Determine that described second determines the wind direction in advance with the first wind direction data of the internal wind power generating set.
Optionally, first air speed data according to the edge with reference to blower and the internal wind power generating set
First wind direction data determines that described first pre- the step of determining the wind direction included: the first air speed data that blower is referred to according to the edge
The appearance of the first wind direction data of the wind power generating set is determined with the first wind direction data of the internal wind power generating set
First curve of probability, and determine that the first wind direction data of the wind power generating set and the edge refer to the first wind of blower
Second curve of fast data corresponding relationship；Determine the first wind direction data and the wind power plant of the internal wind power generating set
The third curve of first temperature data corresponding relationship；It is determined according to the intersection of first curve, the second curve and third curve
Described first determines the wind direction in advance.
According to another aspect of the present invention, a kind of yaw control device of wind power generating set, the control dress are also provided
Setting includes: data capture unit, and the edge for obtaining wind power plant refers in the wind regime data and the wind power plant that blower measures
The wind regime data that measure of wind power generating set；Control unit is connected with the data capture unit, if being used for the edge
The wind regime data measured with reference to wind regime data and the edge of blower with reference to blower last moment are inconsistent, then according to the side
Edge generates the yaw control of the wind power generating set with reference to the wind regime data of blower and the wind regime data of the wind power generating set
Data processed；Transmission unit is connected with described control unit, for yaw control data to be sent to the wind-driven generator
The yaw control system of group.
Optionally, the data capture unit is also used to obtain the wind direction data that more edge of table wind power generating sets measure；
The control device further include: refer to blower selection unit, be connected with the data capture unit, for choosing the wind direction number
Blower is referred to as the edge according to the edge wind power generating set within the scope of preset wind direction.
Optionally, described control unit includes: the first pre- determining module that determines the wind direction, and is connected with the data capture unit,
For determining the wind with reference to the wind regime data of blower and the wind regime data of the internal wind power generating set according to the edge
The first of power generator group determines the wind direction in advance；First control module predicts wind with the data capture unit and described first respectively
It is connected to determining module, if sent out for being determined according to the wind regime data of the internal wind power generating set from the internal wind-force
Wind direction that motor group measures and described first determine the wind direction in advance between difference compare last moment and become smaller, then it is pre- according to described first
It determines the wind direction and generates the yaw control data of the wind power generating set；Or/also, if according to the internal wind-driven generator
The wind regime data of group determine from the wind direction that the internal wind power generating set measures and described first determine the wind direction in advance between difference
Comparing last moment becomes larger or constant, then generates the wind power generating set according to the wind regime data of the wind power generating set
Yaw control data.
Optionally, described to be also used to be worked as according to the wind regime data decimation of the wind power generating set with reference to blower selection unit
Anteposition refers to blower in the weather side of the wind power generating set weather side；The data capture unit is also used to obtain on described
Wind side refers to the wind direction data of blower；Described control unit further include: the second pre- determining module that determines the wind direction, with the data acquisition
Unit is connected, for referring to the wind direction data of blower and the wind regime data of the internal wind power generating set according to the weather side
Determine that the second of the wind power generating set determines the wind direction in advance；Second control module, respectively in advance with the data capture unit, first
The determining module that determines the wind direction is connected with the second pre- determining module that determines the wind direction, if determined the wind direction in advance with described second in advance for described first
It determines the wind direction and is unanimously determined according to the wind regime data of the internal wind power generating set and to be measured from the internal wind power generating set
Wind direction and described first determine the wind direction in advance between difference compare last moment and become smaller, then determine the wind direction in advance according to described first and generate institute
State the yaw control data of wind power generating set；It determines the wind direction unanimously in advance if described first determines the wind direction in advance with described second, and
Determined according to the wind regime data of the internal wind power generating set wind direction that is measured from the internal wind power generating set with it is described
First determine the wind direction in advance between difference compare last moment and become larger or constant, then according to the wind regime data of the wind power generating set
Generate the yaw control data of the wind power generating set；Alternatively, if described first determines the wind direction and the second prediction wind in advance
To inconsistent, then data are controlled according to the yaw that the wind regime data of the wind power generating set generate the wind power generating set.
Optionally, the data capture unit is also used to obtain the first temperature data of the wind power plant；Described first is pre-
The determining module that determines the wind direction is also used to the first air speed data and the internal wind power generating set according to the edge with reference to blower
The first wind direction data determine the wind power generating set the first wind direction data probability of occurrence the first curve, and determine institute
The first wind direction data and the edge of stating wind power generating set refer to the second song of the first air speed data corresponding relationship of blower
Line；Determine the first wind direction data and the first temperature data corresponding relationship of the wind power plant of the internal wind power generating set
Third curve；Determine that described first determines the wind direction in advance according to the intersection of first curve, the second curve and third curve.
Optionally, the central monitoring system or the internal wind-power electricity generation of the wind power plant is arranged in the control device
In the master control system of unit.
Technical solution provided in an embodiment of the present invention, for the landform inside wind power plant it is more complicated in the case where because
The influence of the factors such as landform is difficult to directly carry out itself wind direction according to the wind direction of the inside wind power generating set inside wind power plant
Prediction, and the wind of wind power plant be internally flowed from edge, therefore the edge of wind-powered electricity generation field edge with reference to blower wind regime data with
It is relevant between the wind regime data of internal wind power generating set, when edge with reference to blower wind regime data change i.e. edge ginseng
When the wind regime data that the wind regime data and the edge for examining blower were measured with reference to blower last moment are inconsistent, internal wind-power electricity generation
The wind regime of unit can also change, therefore, wind regime data and the internal wind-power electricity generation according to the edge with reference to blower
The wind regime data of unit generate the yaw control data of the internal wind power generating set, to control internal wind power generating set
The wind energy utilization efficiency that wind-driven generator is improved to wind or yaw is carried out in advance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the wind power plant group control system in the embodiment of the present invention；
Fig. 2 is the flow diagram of the Yaw control method of wind power generating set in the embodiment of the present invention one；
Fig. 3 is the inside wind-driven generator in the embodiment of the present invention in wind power plant in edge wind power generating set and wind power plant
The distribution schematic diagram of group；
Fig. 4 is the wind direction probability distribution schematic diagram of internal wind power generating set in the embodiment of the present invention；
Fig. 5 is that the wind direction and edge of internal wind power generating set in the embodiment of the present invention refer to the wind speed corresponding relationship of blower
Schematic diagram；
Fig. 6 is that the wind direction of internal wind power generating set and the vs. temperature of wind power plant are illustrated in the embodiment of the present invention
Figure；
Fig. 7 is that pre- determine the wind direction of internal wind power generating set in the embodiment of the present invention matches schematic diagram；
Fig. 8 is the structural schematic diagram of the yaw control device of one of the embodiment of the present invention four wind power generating set.
Specific embodiment
Detailed description of the present invention exemplary embodiment with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the wind power plant group control system in the embodiment of the present invention.
The Yaw control method of wind power generating set in following embodiment is applied in wind power plant group control system, wind power plant
Group control system includes: positioned at more edge of table wind power generating sets 103 at 102 edge of wind power plant, in the wind power plant
More internal wind power generating sets 104 and central monitoring system 101, the edge wind power generating set 103 and the inside
Wind power generating set 104 is communicated to connect with the central monitoring system 101 respectively.Wind power generating set in following embodiment
Yaw control method can be executed by central monitoring system, can also be by the master control system of the wind power generating set in wind power plant
It executes.The above wind power plant includes the wind power plant that the wind power generating sets such as mountainous region wind power plant are affected by landform, landforms.With generation
Table, mountainous region wind power plant has the property that the landform of mountainous region wind power plant, geomorphology information are consistent whithin a period of time,
The wind vector of the edge wind power generating set of mountainous region wind power plant is influenced smaller inside in the wind power plant of mountainous region by landform, landforms
The wind vector of wind power generating set is affected by landform, landforms, the wind direction of edge wind power generating set and subsequent time
When wind direction is consistent, if the wind speed of edge wind power generating set and the wind speed of subsequent time are inconsistent, in corresponding wind power plant
The wind direction of internal wind power generating set and the wind direction of subsequent time also can be inconsistent.
Embodiment one
Fig. 2 is the flow diagram of the Yaw control method of wind power generating set in the embodiment of the present invention one.
Referring to fig. 2, a kind of Yaw control method of wind power generating set, control method include S210, S220, S230 and
S240。
In S210, the inside wind-power electricity generation in the wind regime data and wind power plant that the edge of wind power plant is measured with reference to blower is obtained
The wind regime data that unit measures.
Wherein, the wind regime data that edge is measured with reference to blower include the wind that edge is measured with reference to the wind vane on fan engine room
To and wind speed, wherein wind direction be true wind direction, such as: 10 degree of 1 degree of north by east or north by west etc..Inside wind in wind power plant
The wind regime data that power generator group measures are the wind direction that the wind vane on the inside wind generating set engine room in wind power plant measures
The wind direction data of the situation of change of data, wind direction data including internal wind power generating set and internal wind power generating set with it is upper
The difference of the wind direction data at one moment.Such as: the current wind direction of internal wind power generating set is 15 degree of north by east, current wind direction
Wind direction relative to last moment deviates eastwards 2 degree etc..
Optionally, edge is chosen in the following manner and refer to blower: referring to Fig. 3, obtaining more edge of table wind power generating sets
301 wind direction datas measured；The wind direction data measured according to more edge of table wind power generating sets 301 is from more edge of table wind-power electricity generations
Edge is chosen in unit 301 refers to blower.Specifically, edge wind-power electricity generation of the wind direction data within the scope of preset wind direction is chosen
Unit refers to blower as edge.Wherein, preset wind direction range is according to the quantity of edge wind power generating set and distribution feelings
Condition is determining, for example, edge wind power generating set a total of 10, edge wind power generating set is distributed in the neighboring of wind power plant
On, and be substantially evenly distributed, then the corresponding preset wind direction of every edge of table wind power generating set is obtained divided by 10 according to 306 degree
Range.For example, obtaining whole edge wind power generating sets (such as five edge of table wind power generating sets) survey for being located at wind-powered electricity generation field edge
The wind direction data obtained.The wind direction of first edge wind power generating set is 1 degree of north by east, the wind direction of second edge wind power generating set
For 2 degree of north by east, the wind direction of third edge wind power generating set is 5 degree of north by east, the wind direction of the 4th edge wind power generating set
For 15 degree of north by east, the wind direction of the 5th edge wind power generating set is 45 degree of north by east；First edge wind power generating set it is pre-
If wind direction range be 1 degree of north by east to 5 degree of north by east, i.e., the wind direction of first edge wind power generating set 1 degree of north by east extremely
When between 5 degree of north by east, choosing first edge wind power generating set is that edge refers to blower；Second edge wind power generating set
Preset wind direction range is 6 degree of north by east to 10 degree of north by east, i.e., the wind direction of second edge wind power generating set is 6 degree of north by east
When between to 10 degree of north by east, choosing second edge wind power generating set is that edge refers to blower；Third edge wind-driven generator
The preset wind direction range of group is 11 degree of north by east to 15 degree of north by east, i.e., the wind direction of third edge wind power generating set is northern inclined
When 11 degree of east is between 15 degree of north by east, choosing third edge wind power generating set is edge with reference to blower；4th edge wind-force
The preset wind direction range of generating set is 11 degree to 15 degree of south by east of south by east, the i.e. wind direction of the 4th edge wind power generating set
When between 11 degree to 15 degree of south by east of south by east, choosing the 4th edge wind power generating set is that edge refers to blower；5th side
The preset wind direction range of edge wind power generating set is 11 degree to 15 degree of south by west of south by west, i.e. the 5th edge wind power generating set
Wind direction between 11 degree to 15 degree of south by west of south by west when, choose the 5th edge wind power generating set be edge refer to blower.
In this example, the wind direction of first edge wind power generating set is within the scope of preset wind direction, therefore, chooses first edge wind-force
Generating set is that edge refers to blower.
Preferably, it obtains when the wind direction 303 of wind power plant periphery is north wind referring to Fig. 3 and is located at wind-powered electricity generation field edge north side
The wind direction data that edge wind power generating set (such as 3 edge of table wind power generating sets) measures, and therefrom choose first edge wind-force
Generating set is that edge refers to blower.
In S220, the wind regime data that edge is measured with reference to the wind regime data and edge of blower with reference to blower last moment are determined
It is whether consistent, if with reference to the wind regime data and edge of blower to refer to the wind regime data that blower last moment measures different at edge
It causes, then executes S230；If the wind regime data that edge is measured with reference to the wind regime data and edge of blower with reference to blower last moment
Unanimously, then it returns and executes S210.
The peripheral wind vector of wind power plant is smaller, and in preset collection period, peripheral wind direction is held essentially constant, this reality
It applies to change by edge with reference to the wind speed of blower in example and determines whether edge changes with reference to the wind regime data of blower, if side
Edge is inconsistent with reference to the air speed data that the air speed data and edge of blower were measured with reference to blower last moment, then it represents that edge refers to
The wind regime data of blower and edge are inconsistent with reference to the wind regime data that blower last moment measures；If edge refers to the wind of blower
Fast data and edge are consistent with reference to the air speed data that blower last moment measures, then it represents that edge with reference to blower wind regime data with
Edge is consistent with reference to the wind regime data that blower last moment measures.
According to the data statistics to wind power plant, edge is surveyed with reference to the wind regime data and edge of blower with reference to blower last moment
The wind regime data obtained are inconsistent, referring to Fig. 3, indicate that the wind direction of the inside wind power generating set 302 in wind power plant also changes；
It is consistent that edge with reference to wind regime data and the edge of blower refers to the wind regime data that blower last moment measures, in most cases
Indicate that the wind direction of the inside wind power generating set in wind power plant does not change.
In S230, according to the edge with reference to the wind regime data of blower and the wind regime data of the internal wind power generating set
Generate the yaw control data of the internal wind power generating set.
It is pre- that jointing edge refers to the wind regime data that the wind regime data that blower measures and internal wind power generating set itself measure
The wind direction of internal wind power generating set subsequent time is surveyed, and generates the yaw control of internal wind power generating set according to the wind direction of prediction
Data processed.It include the target wind direction to wind or yaw in yaw control data.
In S240, yaw control data are sent to the yaw control system of internal wind power generating set.
Inside the present embodiment the yaw control system of wind power generating set according to the yaw control data carry out to wind or
Yaw, relative to detecting that the wind direction of internal wind power generating set carries out the side to wind or yaw again after reaching pre- and determining the wind direction
Case is controlled internal wind power generating set and is carried out improving wind to wind or yaw in advance using the technical solution of the embodiment of the present invention
The utilization efficiency of energy.
Embodiment two
The Yaw control method of wind power generating set provided in this embodiment, embodiment one wind power generating set it is inclined
On the basis of the technical solution for control method of navigating, wherein according to the edge with reference to the wind regime data of blower and described in S230
The yaw control data that the wind regime data of internal wind power generating set generate the internal wind power generating set can be by as follows
Mode is realized.
Institute is determined with reference to the wind regime data of blower and the wind regime data of the internal wind power generating set according to the edge
State internal wind power generating set first determines the wind direction in advance.
Wherein, the first pre- determine the wind direction is when counting the wind vector of obtained internal wind power generating set according to big data
The biggish wind direction of subsequent time possibility.
In the present embodiment, big data statistical method indicated above is as follows: obtaining the first wind speed that edge refers to blower
Data, internal first wind direction data of wind power generating set and the first temperature data of wind power plant；According to edge with reference to blower
First temperature data of the first air speed data, the first wind direction data of internal wind power generating set and wind power plant determines the first prediction
Wind direction.According to edge with reference to a certain wind inside the first air speed data of blower, the first temperature data of wind power plant and wind power plant
The wind direction data of power generator group can count to obtain the wind power generating set corresponding first to determine the wind direction in advance, can be respectively to wind
The wind direction data of different wind power generating sets inside electric field is counted, to obtain each wind-power electricity generation inside wind power plant
The first of unit determines the wind direction in advance.
Specifically, edge with reference to the wind direction of blower it is constant in the case where, edge changes and will lead with reference to the wind speed of blower
The wind direction of internal wind power generating set is caused to change, different wind speed and internal wind power generating set of the statistics edge with reference to blower
The corresponding relationship of wind direction be with the wind power generating set (internal wind power generating set) inside wind power plant referring to table 1
Example, provides illustrative corresponding relationship explanation.
It is closed with reference to the first air speed data of blower and the corresponding of the first wind direction data of internal wind power generating set at 1 edge of table
System
Referring to fig. 4, according to the data counted in the table 1, the first wind direction data for identifying internal wind power generating set is drawn
Probability of occurrence the first curve 410；Referring to Fig. 5, according to the data counted in the table 1, draws and identify internal wind-driven generator
The first wind direction data and edge of group refer to the second curve 510 of the first air speed data corresponding relationship of blower.
Since the temperature of wind power plant also has an impact for the wind direction of internal wind power generating set, in the present embodiment, obtain
Environment temperature measured by temperature sensor in the edge wind power generating set of wind power plant and the wind-power electricity generation in wind power plant
Environment temperature measured by temperature sensor on unit, using the average value of each environment temperature as the first temperature number of wind power plant
According to.At the edge for carrying out table 1 with reference in the statistic processes of the wind speed of blower and the wind direction of internal wind power generating set, statistics is internal
The corresponding temperature of each wind direction of wind power generating set draws the first wind direction data for identifying internal wind power generating set referring to Fig. 6
With the third curve 610 of the first temperature moment corresponding relationship of wind power plant.Referring to Fig. 7, due to the horizontal seat in Fig. 4, Fig. 5 and Fig. 6
Mark it is identical, therefore, by corresponding Fig. 4 of the identical wind direction data of abscissa in Fig. 4, Fig. 5 and Fig. 6 the first curve 410, figure
The second curve 510 in 5 and the third curve 610 in Fig. 6 are placed in the same coordinate system, and obtaining shadow region in figure indicates first
The intersection of curve 410, the second curve 510 and third curve 610 is the first pre- range that determines the wind direction of internal wind power generating set,
First determines the wind direction in advance first determines the wind direction in range at this in advance, and first determines the wind direction in advance can take two of the first pre- range that determines the wind direction
The corresponding wind direction of any endpoint in endpoint can also take any wind direction in the first pre- range that determines the wind direction, optionally, in this reality
It applies in example, first determines the wind direction in advance as the corresponding wind direction in midpoint of the first pre- range that determines the wind direction.
It should be noted that the first determination mode to determine the wind direction in advance is preferred embodiment in the present embodiment, when specific operation also
It can be determined according to edge with reference to the first wind direction data of the first air speed data of blower and internal wind power generating set, such as
Directly choose the biggish point of probability value in the first curve 410；Or second curve 510 and the first curve 410 intersecting ranges in
Certain point；Certainly it is also an option that certain point or third in the intersecting ranges of the second curve 510 and third curve 610 are bent
Certain point in the intersecting ranges of line 610 and the first curve 410.
If the wind direction of internal wind power generating set is towards changing (the i.e. described internal wind close to the mode that first determines the wind direction in advance
Wind direction that power generator group measures and described first determine the wind direction in advance between difference compare last moment and become smaller), then according to
First pre- determine the wind direction generates the yaw control data of the internal wind power generating set, i.e., first determines the wind direction as internal wind in advance
Power generator group executes the target wind direction to wind or yaw.
If the wind direction of internal wind power generating set does not change or becomes away from the mode that first determines the wind direction in advance
Change (i.e. from the wind direction that the internal wind power generating set measures and described first determine the wind direction in advance between difference compare last moment
It is constant or become larger), then the inclined of the internal wind power generating set is generated according to the wind regime data of the internal wind power generating set
Boat control data execute the mesh to wind or yaw using the wind direction of internal wind power generating set as internal wind power generating set
Mark wind direction.
Embodiment three
The Yaw control method of wind power generating set provided in this embodiment present embodiments provides the wind-force of embodiment one
Refer to the wind direction data and wind regime data of blower in the technical solution of the Yaw control method of generating set in S230 according to edge
Generate the implementation of the yaw control data of wind power generating set.With the wind direction number for referring to blower in embodiment two according to edge
According to wind regime data generate wind power generating set yaw control data implementation the difference is that, in the present embodiment
It determines the wind direction to determine the wind direction in advance by second in advance to first in embodiment two and be verified, first after verification determines the wind direction in advance
It is more accurate.
Specifically, on the basis of example 2, in the technical solution of the present embodiment, according to the internal wind-driven generator
The wind regime data decimation of group is currently located at the weather side of the internal wind power generating set weather side with reference to blower, and obtains institute
State the wind direction data that weather side refers to blower.
It is determined according to the weather side with reference to the wind direction data of blower and the wind regime data of the internal wind power generating set
The second of the internal wind power generating set determines the wind direction in advance.Optionally, the second pre- determine the wind direction counts to obtain according to big data.Its
In, the mode of big data statistics include: obtain weather side with reference to the second air speed data of blower, internal wind power generating set the
First temperature data of one wind direction data and wind power plant；The second air speed data, internal wind-force hair according to weather side with reference to blower
First wind direction data of motor group and the first temperature data of wind power plant determine that second determines the wind direction in advance.Alternatively, obtaining weather side ginseng
Examine the second air speed data of blower and the first wind direction data of internal wind power generating set；The second of blower is referred to according to weather side
First wind direction data of air speed data and internal wind power generating set determines that second determines the wind direction in advance.Concrete implementation mode is referring to real
It applies and determines the first implementation to determine the wind direction in advance in example two, the difference is that, implement with the implementation in embodiment two
To be counted according to edge with reference to the wind speed of blower in example two, be in the present embodiment according to weather side with reference to blower wind speed into
Row statistics.
It determining the wind direction in advance unanimously if first determines the wind direction in advance with second, then it represents that the first pre- verification that determines the wind direction passes through, if the
One in advance determine the wind direction determine the wind direction in advance with second it is inconsistent, then it represents that first in advance determine the wind direction verification do not pass through.Further, if first
Determining the wind direction in advance, it is consistent to determine the wind direction in advance with second, then it represents that edge is reached with reference to the transmitting that the wind direction after blower variation has already passed through landform
Weather side has been arrived with reference to blower.
In the case that the first pre- verification that determines the wind direction passes through, according to the description of embodiment two, if internal wind power generating set
Wind direction change towards close to the mode that first determines the wind direction in advance, then determine the wind direction in advance according to described first and generate the internal wind-force hair
The yaw of motor group controls data, i.e., determine the wind direction the mesh executed as internal wind power generating set to wind or yaw in advance by first
Mark wind direction.First determines the wind direction in advance verifies in unsanctioned situation, according to the generation of the wind regime data of the wind power generating set
The yaw of wind power generating set controls data.
Example IV
Fig. 8 is the structural schematic diagram of the yaw control device of one of the embodiment of the present invention four wind power generating set.
A kind of yaw control device of wind power generating set provided in this embodiment is appointed for executing in embodiment one to three
A kind of Yaw control method of wind power generating set.The yaw control device setting of wind power generating set provided in this embodiment exists
In the central monitoring system of wind power plant, or it is arranged in the master control system of wind power generating set.
Referring to Fig. 8, the yaw control device of wind power generating set includes data capture unit 810, control unit 820 and passes
Defeated unit 830.
The edge that data capture unit 810 is used to obtain wind power plant refers to wind regime data and the wind power plant that blower measures
The wind regime data that interior wind power generating set measures.
Control unit 820 is connected with data capture unit 810, if referring to the wind regime data of blower for the edge
The wind regime data measured with the edge with reference to blower last moment are inconsistent, then the wind regime number of blower is referred to according to the edge
Data are controlled according to the yaw that the wind regime data with the wind power generating set generate the wind power generating set.
Edge is with reference to the wind direction data and air speed data that the wind regime data of blower include that edge refers to blower.Wind-driven generator
The wind regime data of group include the wind direction data of wind power generating set and the difference of wind direction data and the wind direction data of last moment.
Transmission unit 830 is connected with control unit 820, sends out for yaw control data to be sent to the wind-force
The yaw control system of motor group.
Optionally, data capture unit is also used to obtain the wind direction data that more edge of table wind power generating sets measure；Control
Device further include: refer to blower selection unit (not shown), be connected with data capture unit, for choosing the wind direction number
Blower is referred to as the edge according to the edge wind power generating set within the scope of preset wind direction.
Optionally, described control unit includes the first pre- determine the wind direction determining module and the first control module.
The first pre- determining module (not shown) that determines the wind direction, is connected, for according to the data capture unit
Edge determines the wind power generating set with reference to the wind regime data of blower and the wind regime data of the internal wind power generating set
First determines the wind direction in advance.
First control module (not shown), determine the wind direction with the data capture unit and described first determination in advance respectively
Module is connected, if for being determined according to the wind regime data of the internal wind power generating set from the internal wind power generating set
The wind direction that measures and described first determine the wind direction in advance between difference compare last moment and become smaller, then determine the wind direction in advance according to described first
Generate the yaw control data of the wind power generating set；Or/also, if according to the wind of the internal wind power generating set
Condition data determine from the wind direction that the internal wind power generating set measures and described first determine the wind direction in advance between difference compare
One moment became larger or constant, then the yaw control of the wind power generating set is generated according to the wind regime data of the wind power generating set
Data processed.
Optionally, described to be also used to be worked as according to the wind regime data decimation of the wind power generating set with reference to blower selection unit
Anteposition refers to blower in the weather side of the wind power generating set weather side；The data capture unit is also used to obtain on described
Wind side refers to the wind direction data of blower.
Described control unit includes the second pre- determine the wind direction determining module and the second control module.
The second pre- determining module (not shown) that determines the wind direction, is connected, for according to the data capture unit
Weather side determines the wind power generating set with reference to the wind direction data of blower and the wind regime data of the internal wind power generating set
Second determine the wind direction in advance.
Second control module (not shown), determine the wind direction with the data capture unit, first determining module in advance respectively
With second in advance the determining module that determines the wind direction be connected, if determined the wind direction in advance consistent basis for the described first pre- determine the wind direction with described second
The wind regime data of the internal wind power generating set determine the wind direction and described first measured from the internal wind power generating set
Difference between determining the wind direction in advance compares last moment and becomes smaller, then is determined the wind direction in advance according to described first and generate the wind power generating set
Yaw control data；It determines the wind direction unanimously in advance if described first determines the wind direction in advance with described second, and according to the internal wind
The wind regime data of power generator group determine that the wind direction and described first measured from the internal wind power generating set determines the wind direction it in advance
Between difference compare last moment and become larger or constant, then generate the wind-force according to the wind regime data of the wind power generating set and send out
The yaw of motor group controls data；Alternatively, if described first determines the wind direction determine the wind direction in advance inconsistent, basis with described second in advance
The wind regime data of the wind power generating set generate the yaw control data of the wind power generating set.
Optionally, the data capture unit is also used to obtain the first temperature data of the wind power plant.
Optionally, the described first pre- determining module that determines the wind direction is also used to refer to the first wind speed number of blower according to the edge
Going out for the first wind direction data of the wind power generating set is determined according to the first wind direction data with the internal wind power generating set
First curve of existing probability, and determine that the first wind direction data of the wind power generating set and the edge refer to the first of blower
Second curve of air speed data corresponding relationship；Determine the first wind direction data and the wind power plant of the internal wind power generating set
The first temperature data corresponding relationship third curve；Intersection according to first curve, the second curve and third curve is true
Fixed described first determines the wind direction in advance.
Using the technical solution of the embodiment of the present invention, controls internal wind power generating set and is carried out in advance to wind or yaw,
Improve the utilization efficiency of wind energy.
It is above-mentioned to be realized in hardware, firmware according to the method for the present invention, or be implemented as being storable in recording medium
Software or computer code in (such as CD ROM, RAM, floppy disk, hard disk or magneto-optic disk), or it is implemented through network downloading
Original storage in long-range recording medium or nonvolatile machine readable media and the meter that will be stored in local recording medium
Calculation machine code, so that method described herein can be stored in using general purpose computer, application specific processor or programmable or specially
It is handled with such software in the recording medium of hardware (such as ASIC or FPGA).It is appreciated that computer, processor, micro-
Processor controller or programmable hardware include can store or receive software or computer code storage assembly (for example, RAM,
ROM, flash memory etc.), when the software or computer code are by computer, processor or hardware access and execute, realize herein
The processing method of description.In addition, when general purpose computer accesses the code for realizing the processing being shown here, the execution of code
General purpose computer is converted to the special purpose computer for being used for executing the processing being shown here.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (12)
1. a kind of Yaw control method of wind power generating set, which is characterized in that the control method includes:
The edge of acquisition wind power plant refers to the inside wind power generating set in the wind regime data and the wind power plant that blower measures and surveys
The wind regime data obtained；
If the wind regime data that the edge is measured with reference to blower last moment with reference to the wind regime data of blower and the edge are not
Unanimously, then according to the edge with reference to described in the wind regime data generation of the wind regime data and the internal wind power generating set of blower
The yaw of internal wind power generating set controls data；
The yaw control data are sent to the yaw control system of the internal wind power generating set.
2. the Yaw control method of wind power generating set according to claim 1, which is characterized in that in the acquisition wind-powered electricity generation
The edge of field refers to the wind regime data that the inside wind power generating set in wind regime data and the wind power plant that blower measures measures
The step of before, the control method further include:
Obtain the wind direction data and air speed data that more edge of table wind power generating sets measure；
Edge wind power generating set of the wind direction data within the scope of preset wind direction is chosen as the edge with reference to blower.
3. the Yaw control method of wind power generating set according to claim 1 or 2, which is characterized in that described according to institute
It states edge and generates the internal wind-power electricity generation with reference to the wind regime data of blower and the wind regime data of the internal wind power generating set
The yaw control data bag of unit includes:
It is determined in described according to the edge with reference to the wind regime data of blower and the wind regime data of the internal wind power generating set
The first of portion's wind power generating set determines the wind direction in advance；
If determining the wind measured from the internal wind power generating set according to the wind regime data of the internal wind power generating set
To described first determine the wind direction in advance between difference compare last moment and become smaller, then determining the wind direction in advance according to described first, it is described to generate
The yaw of internal wind power generating set controls data；Or/also, if according to the wind regime number of the internal wind power generating set
According to determine from the wind direction that the internal wind power generating set measures and described first determine the wind direction in advance between difference compare upper a period of time
Become larger at quarter or constant, then generates the inclined of the internal wind power generating set according to the wind regime data of the internal wind power generating set
Boat control data.
4. the Yaw control method of wind power generating set according to claim 1 or 2, which is characterized in that described according to institute
It states edge and generates the internal wind-power electricity generation with reference to the wind regime data of blower and the wind regime data of the internal wind power generating set
The yaw control data bag of unit includes:
It is determined in described according to the edge with reference to the wind regime data of blower and the wind regime data of the internal wind power generating set
The first of portion's wind power generating set determines the wind direction in advance；
The internal wind power generating set weather side is currently located at according to the wind regime data decimation of the internal wind power generating set
Weather side refer to blower；Obtain the wind direction data that the weather side refers to blower；The wind of blower is referred to according to the weather side
Determine the internal wind power generating set to the wind regime data of data and the internal wind power generating set second determines the wind direction in advance；
It determines the wind direction unanimously in advance if described first determines the wind direction in advance with preset second, and according to the internal wind power generating set
Wind regime data determine from the wind direction that the internal wind power generating set measures with described first determine the wind direction in advance between difference phase
Become smaller compared with last moment, then determines the wind direction in advance according to described first and generate the yaw control data of the internal wind power generating set；
It determines the wind direction unanimously in advance if described first determines the wind direction in advance with described second, and according to the wind regime of the internal wind power generating set
Data determine from the wind direction that the internal wind power generating set measures and described first determine the wind direction in advance between difference compare upper one
Moment becomes larger or constant, then generates the internal wind power generating set according to the wind regime data of the internal wind power generating set
Yaw control data；Or/also, if described first in advance determine the wind direction determine the wind direction in advance with described second it is inconsistent, according to institute
The wind regime data for stating internal wind power generating set generate the yaw control data of the internal wind power generating set.
5. the Yaw control method of wind power generating set according to claim 4, which is characterized in that described according to the side
Edge determines the internal wind power generating set with reference to the wind regime data of blower and the wind regime data of the internal wind power generating set
First in advance the step of determining the wind direction include:
It is true with reference to the first air speed data of blower and the first wind direction data of the internal wind power generating set according to the edge
Fixed described first determines the wind direction in advance；Or/also,
It is described to be determined according to the weather side with reference to the wind direction data of blower and the wind regime data of the internal wind power generating set
The step of the second of the internal wind power generating set determines the wind direction in advance includes: the second wind speed that blower is referred to according to the weather side
First wind direction data of data and the internal wind power generating set determines that described second determines the wind direction in advance.
6. the Yaw control method of wind power generating set according to claim 5, which is characterized in that described according to the side
Edge determines first prediction with reference to the first air speed data of blower and the first wind direction data of the internal wind power generating set
The step of wind direction includes:
It is true with reference to the first air speed data of blower and the first wind direction data of the internal wind power generating set according to the edge
First curve of the probability of occurrence of the first wind direction data of the fixed internal wind power generating set, and determine the internal wind-force hair
First wind direction data of motor group and the edge refer to the second curve of the first air speed data corresponding relationship of blower；
Determine the first wind direction data of the internal wind power generating set and the first temperature data corresponding relationship of the wind power plant
Third curve；
Determine that described first determines the wind direction in advance according to the intersection of first curve, the second curve and third curve.
7. a kind of yaw control device of wind power generating set, which is characterized in that the control device includes:
Data capture unit, the edge for obtaining wind power plant refer in the wind regime data and the wind power plant that blower measures
The wind regime data that portion's wind power generating set measures；
Control unit is connected with the data capture unit, if for the edge with reference to blower wind regime data with it is described
Edge is inconsistent with reference to the wind regime data that blower last moment measures, then the wind regime data according to the edge with reference to blower and institute
The wind regime data for stating internal wind power generating set generate the yaw control data of the internal wind power generating set；
Transmission unit is connected with described control unit, for yaw control data to be sent to the internal wind-power electricity generation
The yaw control system of unit.
8. the yaw control device of wind power generating set according to claim 7, which is characterized in that
The data capture unit is also used to obtain the wind direction data that more edge of table wind power generating sets measure；
The control device further include:
With reference to blower selection unit, it is connected with the data capture unit, for choosing the wind direction data in preset wind direction
Edge wind power generating set in range refers to blower as the edge.
9. the yaw control device of wind power generating set according to claim 7, which is characterized in that described control unit packet
It includes:
The first pre- determining module that determines the wind direction, is connected, for referring to the wind of blower according to the edge with the data capture unit
The wind regime data of condition data and the internal wind power generating set determine that the first of the internal wind power generating set determines the wind direction in advance；
First control module, the determining module that determines the wind direction in advance with the data capture unit and described first respectively is connected, for such as
Fruit determines the wind direction measured from the internal wind power generating set and institute according to the wind regime data of the internal wind power generating set
State first determine the wind direction in advance between difference compare last moment and become smaller, then determine the wind direction in advance according to described first and generate the internal wind
The yaw of power generator group controls data；Or/also, if determined according to the wind regime data of the internal wind power generating set
From the wind direction that the internal wind power generating set measures and described first determine the wind direction in advance between difference compare last moment and become larger
Or it is constant, then it is controlled according to the yaw that the wind regime data of the internal wind power generating set generate the internal wind power generating set
Data.
10. the yaw control device of wind power generating set according to claim 9, which is characterized in that
It is described to be also used to be currently located at according to the wind regime data decimation of the internal wind power generating set with reference to blower selection unit
The weather side of the internal wind power generating set weather side refers to blower；The data capture unit is also used to obtain the windward
Side refers to the wind direction data of blower；
Described control unit further include:
The second pre- determining module that determines the wind direction, is connected with the data capture unit, for referring to blower according to the weather side
The wind regime data of wind direction data and the internal wind power generating set determine the second prediction wind of the internal wind power generating set
To；
Second control module, the determining module and second that determines the wind direction in advance with the data capture unit, first respectively determine the wind direction really in advance
Cover half block is connected, and determines the wind direction in advance unanimously with described second according to the internal wind-power electricity generation if determined the wind direction in advance for described first
The wind regime data of unit determine from the wind direction that the internal wind power generating set measures and described first determine the wind direction in advance between difference
Value compares last moment and becomes smaller, then determining the wind direction in advance according to described first generates the yaw of the internal wind power generating set and control number
According to；It determines the wind direction unanimously in advance if described first determines the wind direction in advance with described second, and according to the internal wind power generating set
Wind regime data determine from the wind direction that the internal wind power generating set measures and described first determine the wind direction in advance between difference compare
Last moment becomes larger or constant, then generates the internal wind-driven generator according to the wind regime data of the internal wind power generating set
The yaw of group controls data；Alternatively, if described first in advance determine the wind direction determine the wind direction in advance with described second it is inconsistent, according to
The wind regime data of internal wind power generating set generate the yaw control data of the internal wind power generating set.
11. the yaw control device of wind power generating set according to claim 10, which is characterized in that the data acquisition
Unit is also used to obtain the first temperature data of the wind power plant；
Described first determining module that determines the wind direction in advance is also used to according to the edge with reference to the first air speed data of blower and described interior
First wind direction data of portion's wind power generating set determines the probability of occurrence of the first wind direction data of the internal wind power generating set
The first curve, and determine that the first wind direction data of the internal wind power generating set and the edge refer to the first wind of blower
Second curve of fast data corresponding relationship；Determine the first wind direction data and the wind power plant of the internal wind power generating set
The third curve of first temperature data corresponding relationship；It is determined according to the intersection of first curve, the second curve and third curve
Described first determines the wind direction in advance.
12. according to the yaw control device of the described in any item wind power generating sets of claim 7 to 11, which is characterized in that institute
Control device is stated to be arranged in the central monitoring system of the wind power plant or the master control system of the internal wind power generating set.
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| CN201610599439.XA CN107654335B (en) | 2016-07-26 | 2016-07-26 | Yaw control method and device of wind generating set |
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| CN201610599439.XA CN107654335B (en) | 2016-07-26 | 2016-07-26 | Yaw control method and device of wind generating set |
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| CN113431738B (en) * | 2021-08-02 | 2022-12-20 | 哈电风能有限公司 | Yaw control method and system for wind turbine generator |
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