CN109372690A - Poewr control method, device, electronic equipment and the medium of wind power generating set - Google Patents
Poewr control method, device, electronic equipment and the medium of wind power generating set Download PDFInfo
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- CN109372690A CN109372690A CN201811645479.9A CN201811645479A CN109372690A CN 109372690 A CN109372690 A CN 109372690A CN 201811645479 A CN201811645479 A CN 201811645479A CN 109372690 A CN109372690 A CN 109372690A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000013461 design Methods 0.000 claims abstract description 89
- 239000003570 air Substances 0.000 claims description 56
- 230000006870 function Effects 0.000 claims description 34
- 239000004020 conductor Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 231100001261 hazardous Toxicity 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 239000012080 ambient air Substances 0.000 claims description 3
- 238000004590 computer program Methods 0.000 claims description 3
- 230000008407 joint function Effects 0.000 claims 3
- 230000005611 electricity Effects 0.000 description 6
- 238000011217 control strategy Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
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- 238000005070 sampling Methods 0.000 description 1
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- 238000004513 sizing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010408 sweeping Methods 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
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/028—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output power
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
-
- 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
- F05B2270/103—Purpose of the control system to affect the output of the engine
- F05B2270/1033—Power (if explicitly mentioned)
-
- 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
- F05B2270/325—Air temperature
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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
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The embodiment of the present application provides Poewr control method, device, electronic equipment and the medium of a kind of wind power generating set, this method comprises: obtaining the real time environment air themperature t of wind power generating set；Real time environment air themperature t and at least one of preset being sequentially increased and continuous first temperature range, second temperature section, third temperature range are compared；When real time environment air themperature t is in the first temperature range, the real-time temperature associated power for controlling wind power generating set is higher than the rated designs power of wind power generating set；When real time environment air themperature t is in second temperature section, the real-time temperature associated power for controlling wind power generating set is equal to the rated designs power of wind power generating set；When real time environment air themperature t is in third temperature range, the real-time temperature associated power for controlling wind power generating set is lower than the rated designs power of wind power generating set.The embodiment of the present application, which realizes, becomes rated power control.
Description
Technical field
This application involves technical field of wind power generation, specifically, the present invention relates to a kind of power of wind power generating set
Control method, device, electronic equipment and medium.
Background technique
Wind power generating set (hereinafter referred to as unit) design conditions are designed according to rated condition, as running temperature,
Temperature rise, mechanical load, and the considerations of these design parameters are for unit safety, typically according to most harsh condition design,
To guarantee the safe clearance of unit.And the actual operating mode of wind power plant is complicated and changeable, for example high temperature modification unit was in 1 year
In may only a small number of number of days operations under high temperature environment (such as 40 DEG C or more), most of time operate in room temperature (25 DEG C) or
Room temperature hereinafter, and it is existing design must be designed according to hot conditions, mechanical load, electric heat temperature rise will consider in height
The surplus of warm condition.
For the wind power generating set of wind power plant once designing, installation sizing, maximum completely hair power is exactly certain, even
High temperature type is run under normal temperature conditions, and maximum completely hair power also can only be rated power, and those are designed according to hot conditions
Electrical component, such as bus, cable etc. has very high surplus, will cause generated energy loss in this way.
Summary of the invention
The purpose of the application is intended at least can solve above-mentioned one of technological deficiency, and providing one kind can be realized the specified function of change
Poewr control method, device, electronic equipment and the medium of the wind power generating set of rate control.
In a first aspect, providing a kind of Poewr control method of wind power generating set comprising:
Obtain the real time environment air themperature t of wind power generating set；
By the real time environment air themperature t and preset being sequentially increased and continuous first temperature range, the second temperature
At least one of degree section, third temperature range are compared；
When the real time environment air themperature t is in first temperature range, the wind power generating set is controlled
Real-time temperature associated power be higher than the wind power generating set rated designs power；As the real time environment air themperature t
When in the second temperature section, the real-time temperature associated power for controlling the wind power generating set is sent out equal to the wind-force
The rated designs power of motor group；When the real time environment air themperature t is in the third temperature range, described in control
The real-time temperature associated power of wind power generating set is lower than the rated designs power of the wind power generating set.
Second aspect provides a kind of control device of wind power generating set comprising:
Acquiring unit, for obtaining the real time environment air themperature t of wind power generating set；
Comparing unit, for by the real time environment air themperature t and it is preset being sequentially increased and it is continuous first temperature
At least one of degree section, second temperature section, third temperature range are compared；
Control unit is used for when the real time environment air themperature t is in first temperature range, described in control
The real-time temperature associated power of wind power generating set is higher than the rated designs power of the wind power generating set；When the real-time ring
When border air themperature t is in the second temperature section, real-time temperature associated power of the wind power generating set etc. is controlled
In the rated designs power of the wind power generating set；When the real time environment air themperature t is in the third temperature range
When interior, the real-time temperature associated power for controlling the wind power generating set is lower than the rated designs function of the wind power generating set
Rate.
The third aspect, provides a kind of electronic equipment, and the electronic equipment includes:
Processor；And
Memory is configured to storage machine readable instructions, and described instruction by the processor when being executed, so that described
Processor executes the Poewr control method of wind power generating set described in first aspect.
Fourth aspect provides a kind of fourth aspect of computer readable storage medium the embodiment of the present application, provides one
Computer readable storage medium is planted, is stored with computer program on computer readable storage medium, which is executed by processor
The Poewr control method of wind power generating set shown in Shi Shixian the application first aspect.
Technical solution bring beneficial effect provided by the embodiments of the present application includes:
By controlling the wind-power electricity generation when the real time environment air themperature t is in first temperature range
The real-time temperature associated power of unit is higher than the rated designs power of the wind power generating set；When the real time environment Air Temperature
When degree t is in the second temperature section, the real-time temperature associated power for controlling the wind power generating set is equal to the wind
The rated designs power of power generator group；When the real time environment air themperature t is in the third temperature range, control
The real-time temperature associated power of the wind power generating set is lower than the rated designs power of the wind power generating set；Be conducive to reality
Now become rated power control, improves generated energy in the case where ensureing the safety of wind power generating set.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, institute in being described below to the embodiment of the present application
Attached drawing to be used is needed to be briefly described.
Fig. 1 is a kind of flow diagram of the Poewr control method of wind power generating set provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of the power control device of wind power generating set provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the application, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in the description of the present application
Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " may include being wirelessly connected or wirelessly coupling.It is used herein to arrange
Diction "and/or" includes one or more associated wholes for listing item or any cell and all combinations.
The present inventor has found in the implementation of the present invention, the rated capacities of the electric components of wind power generating set by
Its fever temperature rise that can be born is determined, if the power cable in tower is on design selection:
Current-carrying coefficient of discharge at 30 DEG C is that 1,20 DEG C of current-carrying coefficient of discharge is 1.08, in 45 DEG C of current-carrying coefficient of discharge 0.87,
If the blower designed according to 45 DEG C of high temperature, at 30 DEG C, the operation capacity that border allows in fact will be higher by specified 13% or so.It makes
At the significant wastage that " height is matched " is low, mechanical load similarly, also in this way.
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application embodiment party
Formula is described in further detail.
How the technical solution of the application and the technical solution of the application are solved with specifically embodiment below above-mentioned
Technical problem is described in detail.These specific embodiments can be combined with each other below, for the same or similar concept
Or process may repeat no more in certain embodiments.Below in conjunction with attached drawing, embodiments herein is described.
Embodiment one
The embodiment of the present application provides a kind of method of the control of wind power generating set, as shown in Figure 1, this method includes such as
Lower step:
S110: the real time environment air themperature t of wind power generating set is obtained；
S120: by the t and preset being sequentially increased and continuous first temperature range, second temperature section, third temperature
At least one of degree section is compared；
S130: when the t is in first temperature range, the real-time temperature associated power of the wind power generating set is controlled
Higher than the rated designs power of the wind power generating set；When the t is in the second temperature section, the wind-driven generator is controlled
The real-time temperature associated power of group is equal to the rated designs power of the wind power generating set；When the t is in the third temperature range
When interior, the real-time temperature associated power for controlling the wind power generating set is lower than the rated designs power of the wind power generating set.
Existing most of wind power generating sets are all according to wind speed, wind direction, no more than the constant specified function of rated power
The operation of rate control strategy.The embodiment provides a kind of new control strategies, carry out wind power generating set in difference
Temperature range becomes rated power operation.With maximal condition wind power generating set can be existed by the above Poewr control method
Maximum generation ability is obtained under safe condition, so that the whole degree electricity cost for reducing wind power generating set, improves client's generated energy
Income.
Embodiment two
The embodiment of the present application provides alternatively possible implementation, further includes implementing on the basis of example 1
Method shown in example two, in which:
Two endpoint values of first temperature range press sequence from small to large successively are as follows: the design of wind power generating set is just
Often allow temperature upper limit value, the first preset temperature threshold；Two endpoint values in the second temperature section are by sequence from small to large
Successively are as follows: first preset temperature threshold, the design of wind power generating set normally allow temperature upper limit；The third temperature range
Two endpoint values by sequence from small to large successively are as follows: the design of the wind power generating set normally allows temperature upper limit, the
Two preset temperature thresholds.
Step S130 can be refined as including the following steps:
When the t is in first temperature range, the real-time temperature associated power for controlling the wind power generating set is served as reasons
The rated designs power increases preset first constant power increment；
When the t is in the third temperature range, the real-time temperature associated power for controlling the wind power generating set is served as reasons
The rated designs power reduces preset second constant power increment.
First constant power increment, the second constant power increment can be identical or different, such as respectively wind-driven generator
The 1%~20% of the rated designs power of group, specific value can for 2.5%, 5%, 7.5%, 10%, 12.5%, 15%,
17.5%, 20% etc..
This power control mode more directly efficiently, can improve power generation under the premise of ensureing wind power generating set safety
Amount.
Embodiment three
The embodiment of the present application provides alternatively possible implementation, further includes implementing on the basis of example 1
Method shown in example three, wherein step S130 can carefully be following steps:
When the t is in first temperature range, which is controlled according to preset first function relational expression
The real-time temperature associated power of group, so that its rated designs power for being higher than the wind power generating set；
When the t is in the second temperature section, the real-time temperature associated power for controlling the wind power generating set is equal to
The rated designs power of the wind power generating set；
When the t is in the third temperature range, which is controlled according to preset second function relational expression
The real-time temperature associated power of group, so that its rated designs power for being lower than the wind power generating set；
Wherein, the preset first function relational expression, preset second function relational expression are real-time temperature associated powers
The functional relation changed with ambient air temperature.
In the present embodiment, preset first function relational expression, preset second function relational expression can be for selected from as follows
One of function or a variety of combinations: once linear function, quadratic function, cubic function, exponential function, logarithmic function, rank
Terraced function.
Example 1: the first temperature range is divided into three sub- temperature ranges that are continuous, being sequentially increased, is respectively as follows: the first son
Temperature range, the second sub- temperature range, the sub- temperature range of third；
When t is in the sub- temperature range of third, the real-time temperature associated power P1 for controlling wind power generating set is 1.06
Times wind power generating set rated designs power P 0；
When t is in the second sub- temperature range, the real-time temperature associated power P1 for controlling wind power generating set is 1.13
Times wind power generating set rated designs power P 0；
When t is in the first sub- temperature range, the real-time temperature associated power P1 for controlling wind power generating set is 1.20
Times wind power generating set rated designs power P 0.
Third temperature range is divided into three sub- temperature ranges that are continuous, being sequentially increased, is respectively as follows:
4th sub- temperature range, the 5th sub- temperature range, the 6th sub- temperature range；
When t is in the 4th sub- temperature range, the real-time temperature associated power P1 for controlling wind power generating set is 0.94
Times wind power generating set rated designs power P 0；
When t is in the 5th sub- temperature range, the real-time temperature associated power P1 for controlling wind power generating set is 0.87
Times wind power generating set rated designs power P 0；
When t is in the 6th sub- temperature range, the real-time temperature associated power P1 for controlling wind power generating set is 0.80
Times wind power generating set rated designs power P 0.
Example IV
The embodiment of the present application provides alternatively possible implementation, further includes implementing on the basis of example 1
Method shown in example four, wherein step S130 can carefully be following steps:
When the t is in first temperature range, according to the t, first preset temperature threshold and the wind-power electricity generation
The temperature-coefficient of electrical resistance of conductor material in unit controls the real-time temperature associated power of the wind power generating set, so that it is high
In the rated designs power of the wind power generating set；
When the t is in the second temperature section, the real-time temperature associated power for controlling the wind power generating set is equal to
The rated designs power of the wind power generating set；
When the t is in the third temperature range, according to the t, first preset temperature threshold and the wind-power electricity generation
The temperature-coefficient of electrical resistance of conductor material in unit controls the real-time temperature associated power of the wind power generating set, so that its is low
In the rated designs power of the wind power generating set.
Above-mentioned conductor material may include: devices such as the power cable, bus, power semiconductor of wind power generating set etc..
The temperature-coefficient of electrical resistance can be temperature-coefficient of electrical resistance of the conductor material at a specific temperature, which is generally
Room temperature temperature, or slightly below room temperature temperature.Specifically, the performance number of variation, can be according to temperature change value and resistance temperature system
Several products determines that wherein the temperature change value is difference between the t and the first preset temperature threshold.
It is illustrated below:
The embodiment provides a kind of new control strategies, carry out different temperatures to wind power generating set, different
Change rated power operation under air pressure conditions, the master controller of wind power generating set control it adjustable strategies according to such as ShiShimonoseki
System carries out:
Work as T1When < t < 20 DEG C, P1=(1-α20(t-20))P0；
As 20 DEG C≤t < T2When, P1=P0；
Work as T2≤t<T2At+10 DEG C, P1=(1-α20(t-20))P0；
α20For 20 DEG C of temperature-coefficient of electrical resistances of conductor material, 0.004 is generally taken；
T1Normally allow temperature upper limit value for the design of wind power generating set；
T2Normally allow temperature upper limit for the design of wind power generating set；
T is real time environment temperature, such as real time environment air themperature；
P1For the real-time rated power of wind power generating set, rated power is the maximum power that unit allows, here specified
Power changes with environmental change, is not actual generation power, in certain circumstances, can calculate and set out it
The rated power of permission, but it is not necessarily actual generation power: P0For wind power generating set rated designs power；
With maximal condition wind power generating set can be obtained most under safe condition by the above Poewr control method
Big generating capacity, so that the whole degree electricity cost for reducing wind power generating set, improves client's generated energy income.
Further, in order to avoid continually variable power control, and the survey error of temperature sensor is prevented, and abnormal
Temperature fluctuation (non-to be caused by ambient air temperature), for environment temperature t using the average value in a period of time, sampling interval duration can be with
As unit of hour.
Embodiment five
The embodiment of the present application provides alternatively possible implementation, in any one base of embodiment one to example IV
It further include method shown in embodiment five on plinth, wherein further including following steps:
S140: environment weather information, including real time environment air themperature t, relative air humidity, Real-Time Atmospheric pressure are obtained
Power, saturation vapour pressure, atmospheric density and actual wind speed；
S150: according to the environment weather information, the environmentally hazardous power of the wind power generating set is obtained；
S160: being weighted summation process for the environmentally hazardous power and the real-time temperature associated power, obtains weighting connection
Close power；
S170: the final real-time output power of the wind power generating set is controlled according to the weighting joint Power.It specifically includes
Following processing step:
When the t is in first temperature range, and when the weighting joint Power is higher than the wind power generating set
When rated designs power, controls the wind power generating set and work in the weighting joint Power；Be lower than when the weighting joint Power or
Equal to the wind power generating set rated designs power when, control the wind power generating set and work in real-time temperature association function
Rate；
When the t is in the second temperature section, the real-time temperature associated power for controlling the wind power generating set is equal to
The rated designs power of the wind power generating set；
When the t is in the third temperature range, and when the weighting joint Power is lower than the wind power generating set
When rated designs power, controls the wind power generating set and work in the weighting joint Power；Be higher than when the weighting joint Power or
Equal to the wind power generating set rated designs power when, control the wind power generating set and work in real-time temperature association function
Rate.
In S160, environmentally hazardous power and the real-time temperature associated power are assigned with corresponding weight.
It is exemplified below:
Further, the temperature parameter in the embodiment of the present invention could alternatively be environment weather information more abundant,
Multiple combinations in including but not limited to following: such as temperature, humidity, atmospheric density, atmospheric pressure etc., environment weather information is got over
It is more, it is more accurate to the control of wind power generating set.
Further, P0It is also possible to variable relevant to environmental parameter:
P01/2 ρ * S*V3*Cp (1) of=η *
Wherein:
η: blower transfer efficiency；
ρ: atmospheric density, unit kg/m3；
P0: the practical shaft power (non-power generating output power) obtained of wind energy conversion system, unit W；
S: the wind sweeping area of impeller, unit m2, it is parameter relevant to wind power generating set rated capacity；
V: actual wind speed, unit m/s；
Cp: wind power generating set transforms wind energy into the transfer efficiency of electric energy, i.e. power coefficient.
Wherein: ρ is the atmospheric density that weather station is calculated in real time, unit kg/m3；
P2: Real-Time Atmospheric pressure, unit kPa, real-time measurement obtain；
T: absolute temperature T=273K+t, unit K, real-time measurement are calculated；
Relative air humidity, real-time measurement obtain；
E: saturation vapour pressure steps on (Tetens) formula according to Thailand and calculates acquisition:
T is real-time air themperature, unit DEG C.
Embodiment six
The embodiment of the present application provides a kind of control device of wind power generating set, as shown in Fig. 2, the control device 20 can
To include:
Acquiring unit 210, for obtaining the real time environment air themperature t of wind power generating set；
Comparing unit 220, for by the t and preset being sequentially increased and continuous first temperature range, second temperature
At least one of section, third temperature range are compared；
Control unit 230, for controlling the real-time of the wind power generating set when the t is in first temperature range
Temperature associated power is higher than the rated designs power of the wind power generating set；When the t is in the second temperature section, control
The real-time temperature associated power of the wind power generating set is equal to the rated designs power of the wind power generating set；It is somebody's turn to do when the t is in
When in third temperature range, the real-time temperature associated power for controlling the wind power generating set is specified lower than the wind power generating set
Design power.
As an example, the control unit 230, is specifically used for: when the t is in first temperature range, control
The real-time temperature associated power of the wind power generating set is to increase preset first constant power increment by the rated designs power；
When the t is in the third temperature range, the real-time temperature associated power for controlling the wind power generating set is specified to be set by this
It counts power and reduces preset second constant power increment.
As an example, the control unit 230, specifically can be used for: when the t is in first temperature range,
The real-time temperature associated power of the wind power generating set is controlled according to preset first function relational expression, so that it is higher than the wind-force
The rated designs power of generating set；When the t is in the third temperature range, according to preset second function relational expression control
The real-time temperature associated power of the wind power generating set is made, so that its rated designs power for being lower than the wind power generating set；Its
In, the preset first function relational expression, preset second function relational expression are that real-time temperature associated power varies with temperature
Functional relation.
As an example, the control unit 230, specifically can be used for: when the t is in first temperature range,
According to the temperature-coefficient of electrical resistance of the conductor material in the t, first preset temperature threshold and the wind power generating set, control
The real-time temperature associated power of the wind power generating set, so that its rated designs power for being higher than the wind power generating set；As the t
When in the third temperature range, according to the conductor in the t, first preset temperature threshold and the wind power generating set
The temperature-coefficient of electrical resistance of material controls the real-time temperature associated power of the wind power generating set, so that it is lower than the wind-power electricity generation
The rated designs power of unit.
As an example, the acquiring unit 210 can be also used for obtaining environment weather information, including real time environment sky
Temperature degree t, relative air humidity, Real-Time Atmospheric pressure, saturation vapour pressure, atmospheric density and actual wind speed；
The control unit 230, the environment that can be also used for obtaining the wind power generating set according to the environment weather information close
Join power；The environmentally hazardous power and the real-time temperature associated power are weighted summation process, it is real-time to obtain weighting joint
Temperature associated power；When the t is in first temperature range, and when the weighting joint Power is higher than the wind-driven generator
When the rated designs power of group, controls the wind power generating set and work in the weighting joint Power；When the weighting joint Power is low
In or equal to the wind power generating set rated designs power when, control the wind power generating set and work in real-time temperature association
Power；When the t is in the third temperature range, and when the weighting joint Power is specified lower than the wind power generating set
When design power, controls the wind power generating set and work in the weighting joint Power；When the weighting joint Power is greater than or equal to
When the rated designs power of the wind power generating set, controlling the wind power generating set, to work in the real-time temperature associated power real-time
Temperature associated power.
On the one hand, in the present embodiment, by the way that the power for crossing two ways acquisition, i.e., real-time temperature associated power adds
Joint Power is weighed, processing or weighted sum processing (weight can be different) is weighted and averaged, is conducive to further increase power
The precision of control, prevent a kind of realtime power acquisition modes error or there may be the drawbacks of, make power control commands more
It is scientific reliable.On the other hand, joint considers to be conducive to mutually verify the realtime power value that two ways obtains, according to school
Result is tested to examine the state of measuring system, such as judges whether various types of meteorologic parameter sensor is normal, if
It breaks down, if need replacing or repair.Finally, also helping analytical error Producing reason.
Method shown in the embodiment of the present application any embodiment, realization principle phase can be performed in the control device of the present embodiment
Similar, details are not described herein again.
Embodiment seven
The embodiment of the present application provides a kind of electronic equipment, as shown in figure 3, electronic equipment shown in Fig. 3 2000 includes: place
Manage device 2001 and transceiver 2004.Wherein, processor 2001 is connected with transceiver 2004, is such as connected by bus 2002.It is optional
, electronic equipment 2000 can also include memory 2003.It should be noted that transceiver 2004 is not limited to one in practical application
A, the structure of the electronic equipment 2000 does not constitute the restriction to the embodiment of the present application.
Wherein, processor 2001 is applied in the embodiment of the present application, for realizing the function of control module shown in Fig. 2.
Transceiver 2004 includes Receiver And Transmitter, and transceiver 2004 is applied in the embodiment of the present application, for realizing shown in Fig. 2
Obtain the function of module.
Processor 2001 can be CPU, general processor, DSP, ASIC, FPGA or other programmable logic device, crystalline substance
Body pipe logical device, hardware component or any combination thereof.It, which may be implemented or executes, combines described by present disclosure
Various illustrative logic blocks, module and circuit.Processor 2001 is also possible to realize the combination of computing function, such as wraps
It is combined containing one or more microprocessors, DSP and the combination of microprocessor etc..
Bus 2002 may include an access, and information is transmitted between said modules.Bus 2002 can be pci bus or
Eisa bus etc..Bus 2002 can be divided into address bus, data/address bus, control bus etc..Only to be used in Fig. 3 convenient for indicating
One thick line indicates, it is not intended that an only bus or a type of bus.
Memory 2003 can be ROM or can store the other kinds of static storage device of static information and instruction, RAM
Or the other kinds of dynamic memory of information and instruction can be stored, it is also possible to EEPROM, CD-ROM or other CDs
Storage, optical disc storage (including compression optical disc, laser disc, optical disc, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium
Or other magnetic storage apparatus or can be used in carry or store have instruction or data structure form desired program generation
Code and can by any other medium of computer access, but not limited to this.
Optionally, memory 2003 is used to store the application code for executing application scheme, and by processor 2001
It is executed to control.Processor 2001 for executing the application code stored in memory 2003, with realize it is aforementioned either one
Method documented by method embodiment.
The embodiment of the present application provides a kind of computer readable storage medium, is stored on the computer readable storage medium
Computer program, the program realize method shown in aforementioned either method embodiment when being executed by processor.
The embodiment of the present application provides a kind of computer readable storage medium, compared with prior art, power generation can be improved
Amount.
The embodiment of the present application provides a kind of computer readable storage medium and is suitable for above method embodiment.Herein no longer
It repeats.
It should be understood that although each step in the flow chart of attached drawing is successively shown according to the instruction of arrow,
These steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps
Execution there is no stringent sequences to limit, can execute in the other order.Moreover, at least one in the flow chart of attached drawing
Part steps may include that perhaps these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps
Completion is executed, but can be executed at different times, execution sequence, which is also not necessarily, successively to be carried out, but can be with other
At least part of the sub-step or stage of step or other steps executes in turn or alternately.
The above is only some embodiments of the invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (13)
1. a kind of Poewr control method of wind power generating set characterized by comprising
Obtain the real time environment air themperature t of wind power generating set；
By the real time environment air themperature t and preset being sequentially increased and continuous first temperature range, second temperature area
Between, at least one of third temperature range is compared；
When the real time environment air themperature t is in first temperature range, the reality of the wind power generating set is controlled
When temperature associated power be higher than the wind power generating set rated designs power；When the real time environment air themperature t is in
When in the second temperature section, the real-time temperature associated power for controlling the wind power generating set is equal to the wind-driven generator
The rated designs power of group；When the real time environment air themperature t is in the third temperature range, the wind-force is controlled
The real-time temperature associated power of generating set is lower than the rated designs power of the wind power generating set.
2. Poewr control method according to claim 1, which is characterized in that
Two endpoint values of first temperature range press sequence from small to large successively are as follows: the design of wind power generating set is normal
Allow temperature upper limit value, the first preset temperature threshold；
Two endpoint values in the second temperature section press sequence from small to large successively are as follows: first preset temperature threshold,
The design of wind power generating set normally allows temperature upper limit；
Two endpoint values of the third temperature range press sequence from small to large successively are as follows: the design of the wind power generating set
It is normal to allow temperature upper limit, the second preset temperature threshold.
3. Poewr control method according to claim 2, which is characterized in that
When the real time environment air themperature t is in first temperature range, the reality of the wind power generating set is controlled
When temperature associated power be that preset first constant power increment is increased by the rated designs power；
When the real time environment air themperature t is in the third temperature range, the reality of the wind power generating set is controlled
When temperature associated power be that preset second constant power increment is reduced by the rated designs power.
4. Poewr control method according to claim 2, which is characterized in that
When the real time environment air themperature t is in first temperature range, according to preset first function relational expression
The real-time temperature associated power of the wind power generating set is controlled, so that its rated designs function for being higher than the wind power generating set
Rate；
When the real time environment air themperature t is in the third temperature range, according to preset second function relational expression
The real-time temperature associated power of the wind power generating set is controlled, so that its rated designs function for being lower than the wind power generating set
Rate；
Wherein, the preset first function relational expression, preset second function relational expression be real-time temperature associated power with
The functional relation of temperature change.
5. Poewr control method according to claim 2, which is characterized in that
When the real time environment air themperature t is in first temperature range, according to the real time environment air themperature
T, the temperature-coefficient of electrical resistance of first preset temperature threshold and the conductor material in the wind power generating set controls institute
The real-time temperature associated power of wind power generating set is stated, so that its rated designs power for being higher than the wind power generating set；
When the real time environment air themperature t is in the third temperature range, according to the real time environment air themperature
T, the temperature-coefficient of electrical resistance of first preset temperature threshold and the conductor material in the wind power generating set controls institute
The real-time temperature associated power of wind power generating set is stated, so that its rated designs power for being lower than the wind power generating set.
6. Poewr control method according to claim 3 or 4, which is characterized in that further include:
Obtain environment weather information, including real time environment air themperature t, relative air humidity, Real-Time Atmospheric pressure, saturation vapour
Pressure, atmospheric density and actual wind speed；
According to the environment weather information, the environmentally hazardous power of the wind power generating set is obtained；
The environmentally hazardous power and the real-time temperature associated power are weighted summation process, obtain weighting joint function
Rate；
It is described when the real time environment air themperature t is in first temperature range, control the wind-driven generator
The real-time temperature associated power of group is higher than the rated designs power of the wind power generating set, specifically includes:
When the real time environment air themperature t is in first temperature range, and when the weighting joint Power is high
When the rated designs power of the wind power generating set, controls the wind power generating set and work in the weighting joint function
Rate；When the weighting joint Power is less than or equal to the rated designs power of the wind power generating set, the wind-force is controlled
Generating set works in the real-time temperature associated power；
It is described when the real time environment air themperature t is in the third temperature range, control the wind-driven generator
The real-time temperature associated power of group is lower than the rated designs power of the wind power generating set, specifically includes:
When the real time environment air themperature t is in the third temperature range, and when the weighting joint Power is low
When the rated designs power of the wind power generating set, controls the wind power generating set and work in the weighting joint function
Rate；When the weighting joint Power is greater than or equal to the rated designs power of the wind power generating set, the wind-force is controlled
Generating set works in the real-time temperature associated power.
7. a kind of power control device of wind power generating set characterized by comprising
Acquiring unit, for obtaining the real time environment air themperature t of wind power generating set；
Comparing unit, for by the real time environment air themperature t and preset being sequentially increased and continuous first humidity province
Between, second temperature section, at least one of third temperature range be compared；
Control unit, for controlling the wind-force when the real time environment air themperature t is in first temperature range
The real-time temperature associated power of generating set is higher than the rated designs power of the wind power generating set；When the real time environment is empty
When temperature degree t is in the second temperature section, the real-time temperature associated power for controlling the wind power generating set is equal to institute
State the rated designs power of wind power generating set；When the real time environment air themperature t is in the third temperature range,
The real-time temperature associated power for controlling the wind power generating set is lower than the rated designs power of the wind power generating set.
8. power control device according to claim 7, which is characterized in that described control unit is specifically used for: when described
When real time environment air themperature t is in first temperature range, the real-time temperature association of the wind power generating set is controlled
Power is to increase preset first constant power increment by the rated designs power；At the real time environment air themperature t
When in the third temperature range, the real-time temperature associated power for controlling the wind power generating set is by the rated designs
Power reduces preset second constant power increment.
9. power control device according to claim 7, which is characterized in that described control unit is specifically used for: when described
When real time environment air themperature t is in first temperature range, the wind is controlled according to preset first function relational expression
The real-time temperature associated power of power generator group, so that its rated designs power for being higher than the wind power generating set；When described
When real time environment air themperature t is in the third temperature range, the wind is controlled according to preset second function relational expression
The real-time temperature associated power of power generator group, so that its rated designs power for being lower than the wind power generating set；Wherein, institute
State preset first function relational expression, preset second function relational expression is letter that real-time temperature associated power varies with temperature
Number relational expression.
10. power control device according to claim 7, which is characterized in that described control unit is specifically used for: working as institute
When stating real time environment air themperature t and being in first temperature range, according to the real time environment air themperature t, described
The temperature-coefficient of electrical resistance of conductor material in one preset temperature threshold and the wind power generating set controls the wind-force hair
The real-time temperature associated power of motor group, so that its rated designs power for being higher than the wind power generating set；When described real-time
When ambient air temperature t is in the third temperature range, according to the real time environment air themperature t, the first preset temperature
The temperature-coefficient of electrical resistance of conductor material in threshold value and the wind power generating set, controls the reality of the wind power generating set
When temperature associated power so that its be lower than the wind power generating set rated designs power.
11. the power control device according to any one of claim 7-10, which is characterized in that
The acquiring unit is also used to obtain environment weather information, including real time environment air themperature t, relative air humidity, reality
When atmospheric pressure, saturation vapour pressure, atmospheric density and actual wind speed；
Described control unit is also used to obtain the environmentally hazardous function of the wind power generating set according to the environment weather information
Rate；The environmentally hazardous power and the real-time temperature associated power are weighted summation process, it is real-time to obtain weighting joint
Temperature associated power；When the real time environment air themperature t is in first temperature range, and when the weighting joins
When closing rated designs power of the power higher than the wind power generating set, controls the wind power generating set and work in described add
Weigh joint Power；When the weighting joint Power is less than or equal to the rated designs power of the wind power generating set, control
The wind power generating set works in the real-time temperature associated power；When the real time environment air themperature t is in described
When in third temperature range, and when the weighting joint Power is lower than the rated designs power of the wind power generating set,
It controls the wind power generating set and works in the weighting joint Power；Described in being greater than or equal to when the weighting joint Power
When the rated designs power of wind power generating set, controls the wind power generating set and work in the real-time temperature associated power
Real-time temperature associated power.
12. a kind of electronic equipment, characterized in that it comprises:
Processor；And
Memory is configured to storage machine readable instructions, and described instruction by the processor when being executed, so that the processing
Device perform claim requires any one of 1-6 the method.
13. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
Method described in any one of claims 1-6 is realized when execution.
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| CN201811645479.9A CN109372690B (en) | 2018-12-29 | 2018-12-29 | Power control method and device for wind generating set, electronic equipment and medium |
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