CN103797246B - Wind energy conversion system analog systems and method thereof - Google Patents
Wind energy conversion system analog systems and method thereof Download PDFInfo
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- CN103797246B CN103797246B CN201280036725.5A CN201280036725A CN103797246B CN 103797246 B CN103797246 B CN 103797246B CN 201280036725 A CN201280036725 A CN 201280036725A CN 103797246 B CN103797246 B CN 103797246B
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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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- 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
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/83—Testing, e.g. methods, components or tools therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/84—Modelling or simulation
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses wind energy conversion system analog systems and method thereof.The wind energy conversion system analog systems of one embodiment of the invention, for simulating the service condition of actual wind energy conversion system, including: wind energy conversion system mold portion, including wind wheel and drive system, this wind wheel is included in surface and is provided with the simulation blade of multiple strain transducer and for configuring the wheel hub of above-mentioned simulation blade, this drive system increases and decreases the rotating speed of above-mentioned wind wheel, and transmits power；Drive division, including the driving motor for driving above-mentioned wind wheel；Power Generation Section, including electromotor, the revolving force produced in above-mentioned wind energy conversion system mold portion is transformed to electric energy by this electromotor；And control portion, more than one in above-mentioned wind energy conversion system mold portion, drive division or Power Generation Section is controlled.
Description
Technical field
The present invention relates to wind energy conversion system analog systems and method thereof, more specifically, relate to the state by monitoring wind energy conversion system
The wind energy conversion system simulation of the running optimizatin making wind energy conversion system and deciding part replacement cycle fatigue life predicting component parts
System and method.
Background technology
The scrambling of the wind generator system output because being caused as the transmutability of the wind speed of the energy, it is possible to
Reduce the power quality such as perimeter systems user and the voltage of load, frequency, it is therefore desirable to be developed to embody actual wind-force and send out
The Wind Generation Simulator even wind energy conversion system analog systems of the specific run condition of electricity system.
As technology related to this, conventional wind energy conversion system analog systems only performs to evaluate gear-box or the generating of wind energy conversion system
The function of the performance of machine.That is, the wind acting on wind energy conversion system is not simulated by conventional wind energy conversion system analog systems, and directly horse
Reaching connection gear-box or electromotor only performs performance evaluation, accordingly, there exist can not the actual motion bar of emulation wind turbine
The restriction of part.
Additionally, in conventional wind energy conversion system analog systems, employ flywheel to simulate the inertia of blade
(flywheel), but, now system becomes complicated, also there occurs the problem that expense increases.
Accordingly, it would be desirable to exploitation and MW level wind energy conversion system have similarity it is thus possible to embody the running environment of actual wind energy conversion system
Wind energy conversion system analog systems is practical situation.
Summary of the invention
Invent problem to be solved
The purpose of embodiments of the invention be provide one be designed to actual wind energy conversion system there is similarity it is thus possible to
The wind energy conversion system analog systems of enough service conditions simulating actual wind energy conversion system and method thereof.
Means for solving the above
One scheme of the present invention provides a kind of wind energy conversion system analog systems, for simulating the service condition of actual wind energy conversion system,
Including: wind energy conversion system mold portion, including wind wheel and drive system, this wind wheel is included in surface and is provided with the mould of multiple strain transducer
Intending blade and for configuring the wheel hub of above-mentioned simulation blade, this drive system increases and decreases the rotating speed of above-mentioned wind wheel, and transmits power；Drive
Dynamic portion, including the driving motor for driving above-mentioned wind wheel；Power Generation Section, including electromotor, this electromotor will be at above-mentioned wind energy conversion system
The revolving force that mold portion produces is transformed to electric energy；And control portion, in above-mentioned wind energy conversion system mold portion, drive division or Power Generation Section
More than one is controlled.
Above-mentioned wheel hub in above-mentioned wind energy conversion system mold portion can be formed with vent.
Additionally, the above-mentioned drive system of above-mentioned wind energy conversion system mold portion can include booster engine, this booster engine makes above-mentioned simulation oar
The rotating speed of leaf increases, and the rotating speed allowing it to be suitable for the generating of above-mentioned Power Generation Section rotates.
Additionally, above-mentioned Power Generation Section can farther include generator converter, this generator converter receives above-mentioned electromotor
Rotary speed data or torque data in the input of at least one data, and receive and dispatch between above-mentioned control portion.
Additionally, can in above-mentioned drive system and above-mentioned Power Generation Section, be provided with multiple acceleration transducer, temperature sensor or
At least one sensor in speed probe.
Additionally, above-mentioned drive system can farther include the first deceleration being arranged between above-mentioned wind wheel and above-mentioned electromotor
Machine, above-mentioned drive division can farther include the second reductor being arranged between above-mentioned driving motor and above-mentioned wind wheel.
On the other hand, above-mentioned control portion comprises the steps that drive control part, above-mentioned drive division is driven motor amount of torque or
The propeller pitch angle of the above-mentioned simulation blade of above-mentioned wind energy conversion system mold portion is controlled；Stateful Inspection portion, from above-mentioned wind energy conversion system mold portion
Receive torque data, rotary speed data, angular velocity data, temperature data or strain data with above-mentioned Power Generation Section and be processed place
Reason；And generator control portion, between above-mentioned generator converter, receive and dispatch rotary speed data or the torque number of above-mentioned electromotor
At least one data according to control the production electric power of above-mentioned electromotor.
Additionally, above-mentioned wind energy conversion system analog systems is relative to above-mentioned actual wind energy conversion system, meet equation 1 below.
Formula 1:
Jaωa 2/Pa=Jsωs 2/Ps
ωaRa/va=ωsRs/vs
ωa 3Ra 5=s ωs 3Rs 5
Here, J is moment of inertia, w is blade rotating speed, and P is specified output, and R is the radius of blade, and v is rated wind speed, under
Mark a represents actual wind energy conversion system, and subscript s represents wind energy conversion system analog systems.
Another program of the present invention provides a kind of wind energy conversion system analogy method, is used for driving above-mentioned wind energy conversion system analog systems, bag
Include: first step, receive propeller pitch angle and the generator speed of simulation blade, and by under above-mentioned generator speed and specified output
Rotating speed compares；Second step, when above-mentioned generator speed is less than the rotating speed under above-mentioned specified output, generates simulation wind,
And based on the motor torque calculated based on above-mentioned simulation wind, control to drive motor；And third step, at above-mentioned
When motor speed is more than the rotating speed under above-mentioned specified output, generate simulation wind, and according to the propeller pitch angle number of above-mentioned simulation blade
According to and motor torque, to the propeller pitch angle of above-mentioned simulation blade with drive motor to be controlled, wherein, the pitch of above-mentioned simulation blade
Angular data is propeller pitch angle data based on above-mentioned generator speed, and said motor torque is the horse calculated based on above-mentioned simulation wind
Reach torque.
Additionally, the above-mentioned simulation wind generated is the wind acting on above-mentioned simulation blade in time domain.
On the other hand, above-mentioned second step comprises the steps that the step calculating the aerodynamic force torque corresponding with above-mentioned simulation wind facies
Suddenly；Utilize wind wheel inertia to transmit function, calculate the step of the motor torque of the dynamic characteristic reflecting above-mentioned simulation blade；And
Control to drive the step of motor according to said motor torque.
Additionally, above-mentioned third step comprises the steps that the pitch calculating above-mentioned simulation blade based on above-mentioned generator speed
The step of angular data；Calculate the step of the aerodynamic force torque corresponding with above-mentioned simulation wind facies；Wind wheel inertia is utilized to transmit function,
Calculate the step of the first motor torque of the dynamic characteristic reflecting above-mentioned simulation blade；To above-mentioned first motor torque number
According to process, calculate the step reflecting the second motor torque changed by the propeller pitch angle of the wind-induced above-mentioned simulation blade of above-mentioned simulation
Suddenly；And control the propeller pitch angle of above-mentioned simulation blade according to the propeller pitch angle data of above-mentioned simulation blade, and according to above-mentioned
Two motor torque controls to drive the step of motor.
Invention effect
Embodiments of the invention, are designed to have similarity with actual wind energy conversion system by Wind Turbine Simulator system, it is thus possible to
Enough service conditions simulating actual wind energy conversion system.
Reflect control portion additionally, utilize wind wheel inertia to transfer function to the dynamic characteristic of blade, thus calculate anti-
Reflect the motor torque of dynamic characteristic, it is possible to construct Wind Turbine Simulator system simpler and with low cost.
Accompanying drawing explanation
Fig. 1 is the skeleton diagram of the wind energy conversion system analog systems of one embodiment of the invention.
Fig. 2 is the enlarged drawing shown in the part A of enlarged drawing 1.
Fig. 3 is the skeleton diagram of the variation of the wind energy conversion system analog systems illustrating Fig. 1.
Fig. 4 is the figure of the data transmit-receive of the wind energy conversion system analog systems illustrating Fig. 1.
Fig. 5 is the figure of the torque curve generation process being shown in the electromotor in the wind energy conversion system analog systems of Fig. 1.
Fig. 6 is the control algolithm of the wind energy conversion system analogy method of one embodiment of the invention.
Fig. 7 is the simulation wind generating algorithm of Fig. 6.
Detailed description of the invention
Below, referring to the drawings, various embodiments of the present invention are described in detail.
Fig. 1 is the skeleton diagram of the wind energy conversion system analog systems 100 of one embodiment of the invention.
With reference to Fig. 1, wind energy conversion system analog systems 100 includes: simulate the wind energy conversion system mold portion 120 of the motion of actual wind energy conversion system,
Drive the drive division 140 of wind energy conversion system mold portion 120, wind energy conversion system mold portion 120 revolving force produced is transformed to sending out of electric energy
Electricity portion 160, and to more than one control being controlled in wind energy conversion system mold portion 120, drive division 140 or Power Generation Section 160
Portion 180.Below, each structure is illustrated.
Embodiment
Wind energy conversion system analog systems 100 may be provided on pedestal B, but is not intended to the shape of pedestal B, size etc..On the other hand, base
Frame B, in order to avoid the collision when blade of wind energy conversion system analog systems 100 rotates, can be partially provided with peristome (unmarked).
Wind energy conversion system mold portion 120 simulates the motion of actual wind energy conversion system, it may include: wind wheel (rotor) R, including simulation blade
121 and for configure simulation blade 121 wheel hub (hub) 123；And drive system (Drive Train) 125, increase and decrease wind wheel R
Rotating speed and transmit power.
Several strain transducer (strain sensor) can be installed in the surface of the simulation blade 121 of configuration on wheel hub 123
121a.The stress distribution being applied to simulate on blade 122 when simulating blade 121 and rotating is surveyed by strain transducer 121a
Fixed.Installation site without particular limitation of strain transducer 121a.Such as, according to status analysis Rotor Blade Model, based on above-mentioned analysis
As a result, it is installed to strain transducer 121a in blade surface produce the position that strain is most.
Inside wheel hub 123, it is also possible to be provided for gathering by the strain transducer on the surface being arranged on simulation blade 121
The DAQ (Data acquisition: data acquisition unit, not shown) of the strain data that 122a measures.
With this associatedly, Fig. 2 is the enlarged drawing shown in the part A of enlarged drawing 1.With reference to Fig. 2, can be formed at wheel hub 123
Vent (vent) 123a.In the case of being provided with the equipments such as DAQ as above inside wheel hub 123, vent 123a uses
In preventing, above-mentioned equipment is overheated.
Referring again to Fig. 1, drive system 125 plays the effect of the rotating speed of increase and decrease wind wheel R, it may include: booster engine 125a, axle
Hold case (bearing housing) 125c and torque measurement device 125d.Such as, as it is shown in figure 1, drive system 125 is at wind wheel R
Rear class be connected with bearing housing 125c, the first torque measurement device 125d, booster engine 125a and second turn in turn along rotary shaft
Square measuring device 125d.
Booster engine 125a plays the effect that the rotating speed of simulation blade 122 accelerates to be suitable for the rotating speed that Power Generation Section 160 generates electricity.
Booster engine 125a may utilize the booster engine used in general wind energy conversion system.On the other hand, booster engine 125a is held by gear
There is not the booster engine of vibration and do not perform heat treatment and occur the booster engine of vibration to constitute in row heat treatment, thus at wind energy conversion system
When occurring abnormal, it is possible to determination data.
Torque measurement device 125d is connected to the front end of booster engine 125a and rear end and performs torque measurement.
Drive division 140 includes the driving motor 141 for driving wind wheel R.Drive motor 141 to connect and be arranged in wheel hub
The front end of 123.
Power Generation Section 160 includes the electromotor 161 that the revolving force produced in wind energy conversion system mold portion 120 is transformed to electric energy.Send out
Motor 161 can connect the rear end being arranged in gear-box 125.
Additionally, Power Generation Section 160 can also include the generator converter 162 being connected with electromotor 161.Generator converter
162 receive at least one in the rotary speed datas of electromotors 161 or torque data changes voltage and frequency, and with control portion
Receive and dispatch between 180.
On the other hand, in drive system 125 and Power Generation Section 160, multiple sensor S can be installed.The sensor S can be
Acceleration transducer S1, temperature sensor S2 or speed probe S3(tacho as accelerometer (accelerometer)
sensor)。
Such as, as it is shown in figure 1, can be at bearing housing 125c, the gear position position of booster engine 125a, the axle of electromotor 161
Hold position, position configuration acceleration transducer S1, in high gear bearing position, the bearing position of electromotor 161 of booster engine 125a
Put configuration temperature sensor S2, at the front-end configuration speed probe S3 of electromotor 161.The sensor S can measure relevant each
The data of the torque of parts, acceleration, strain, temperature or angular velocity etc. are sent to control portion 180.
Control portion 180 controls more than one in wind energy conversion system mold portion 120, drive division 140 or Power Generation Section 160, about control
Portion 180 processed, then illustrate with reference to other accompanying drawings.
Fig. 3 is the schematic diagram of the variation of the wind energy conversion system analog systems 100 illustrating Fig. 1.Below, with the above embodiments
Distinctive points centered by illustrate.Additionally, to structure same or similar with the above embodiments, employ identical accompanying drawing
Labelling.
With reference to Fig. 3, wind energy conversion system analog systems 100 comprise the steps that wind energy conversion system mold portion 120, drive division 140, Power Generation Section 160 with
And control portion 180.Wind energy conversion system mold portion 120 comprises the steps that have simulation blade 121, wheel hub 123 and the wind of bearing (unmarked)
Wheel R and drive system 125.
Especially, this variation is with the distinctive points of the above embodiments, is provided separately from wind wheel with the top of pedestal B
R, makes wind wheel R have certain height.Therefore, there is no need in order to avoid collision when simulation blade 121 rotates pedestal B's
Local additionally arranges peristome.On the other hand, as long as the end of above-mentioned transport disengaging height simulation blade 122 does not contact pedestal B's
Degree is the most permissible, is not limited to specific height.Wind wheel R is supported by the tower (unmarked) of more than 1 and has above-mentioned separation
Highly, now, in order to make wind wheel R rotate, can be provided for being delivered to the revolving force of rotary shaft the conveyer belt of above-mentioned bearing or
Chain (chain) (unmarked).
In the wind energy conversion system analog systems 100 of this variation, the drive system 125 of wind energy conversion system mold portion 120 can be further
Including the first reductor 125b, drive division 140 may also include the second reductor 142.As it is shown on figure 3, the first reductor 125b can
Being arranged between the booster engine 125a of drive system 125 and electromotor 161, the second reductor 142 is configurable on driving motor 141
And between wind wheel R.First reductor 125b and the second reductor 142 are driving motor 141 can not produce simulation blade 121 respectively
Operation needed for torque in the case of and in the case of electromotor 161 can not produce required torque, reduce respectively and drive horse
Reach 141 and the rotating speed of electromotor 161 to improve torque.
In addition to above-mentioned point, the structure of the wind energy conversion system analog systems 100 of this variation and foregoing embodiment phase
With, therefore omit the explanation to other structures.
Fig. 4 is the figure of the data transmit-receive of the wind energy conversion system analog systems 100 illustrating Fig. 1.
With reference to Fig. 4, wind energy conversion system analog systems 100 comprise the steps that wind energy conversion system mold portion 120, drive division 140, Power Generation Section 160 with
And control portion 180.Power Generation Section 160 can include electromotor 161 and generator converter 162.Additionally, control portion 180 comprises the steps that and drives
Dynamic control portion 181, Stateful Inspection portion 183 and generator control portion 185.Below, the data transmit-receive of each structure is illustrated.
The drive control part 181 amount of torque driving motor 141 or wind energy conversion system mold portion 120 to being arranged in drive division 140
Simulation blade 121 propeller pitch angle be controlled.Turn to this end, drive control part 181 can receive and dispatch motor between drive division 140
Square data and motor control signal TM, blade pitch data θ can be received from wind energy conversion system mold portion 120P, and send blade pitch control
Signal θ processedD。
Stateful Inspection portion 183 receives torque data, rotary speed data, angular velocity from wind energy conversion system mold portion 120 and Power Generation Section 160
Data, temperature data or strain data etc. are processed.To this end, Stateful Inspection portion 183 can be from being arranged on wind energy conversion system mould
Type portion 120 and the acceleration transducer of Power Generation Section 160, temperature sensor, speed probe etc. receive sensing data DS。
Generator control portion 185 controls the production electric power of electromotor 161.To this end, generator control portion 185 can be from electromotor
Transducer 162 receives and dispatches the rotary speed data Ω of electromotor 161GOr generator torque data TG.On the other hand, drive control part 181,
Stateful Inspection portion 183 and generator control portion 185 can integrally be designed to mutually receive and dispatch above-mentioned data.
The wind energy conversion system analog systems 100 of one embodiment of the invention is designed to similar to actual wind energy conversion system, it is possible to simulation is real
The service condition of border wind energy conversion system.To this end, wind energy conversion system analog systems 100 is designed to meet shown below relative to actual wind energy conversion system
Formula 1.
[formula 1]
Jaωa 2/Pa=Jsωs 2/Ps
ωaRa/va=ωsRs/vs
ωa 3Ra 5=s ωs 3Rs 5
In above-mentioned formula 1, J is moment of inertia, and w is blade rotating speed, and P is specified output, and R is the radius of blade, and v is volume
Subduing the wind syndrome speed.On the other hand, subscript a represents actual wind energy conversion system, and subscript s represents wind energy conversion system analog systems.
In connection with this, Fig. 5 is the torque curve life of the electromotor 161 being shown in the wind energy conversion system analog systems 100 of Fig. 1
The figure of one-tenth process.With reference to Fig. 5, wind energy conversion system analog systems 100 is in order to have similarity with actual wind energy conversion system, for actual wind energy conversion system
Torque curve, after available equation 2 below generates the torque curve in wind wheel portion, utilizes above-mentioned formula 1, generates wind energy conversion system mould
The torque curve in the wind wheel portion of plan system 100.Afterwards, available equation 2 below, converts the torque curve in above-mentioned wind wheel portion
Generator torque curve for wind energy conversion system analog systems 100.
[formula 2]
ωR=ωG/Gearbox ratio
TR=TG*Gearbox ratio
At above-mentioned formula 2, w represents that rotating speed, T represent that torque, subscript R represent that wind wheel, subscript G represent electromotor, Gearbox
Ratio is gear ratio.
As it has been described above, the wind energy conversion system analog systems 100 of one embodiment of the invention has similarity, energy with actual wind energy conversion system
The enough running environment embodying actual wind energy conversion system.
Below, the wind energy conversion system analogy method of one embodiment of the invention is illustrated.
Fig. 6 is control algolithm S100 of the wind energy conversion system analogy method of one embodiment of the invention.Above-mentioned control algolithm is suitable
In the algorithm driving above-mentioned wind energy conversion system analog systems.
With reference to Fig. 6, first, the propeller pitch angle θ of simulation blade is acceptedpitchAnd generator speed ΩGInput (S111).It
After, by generator speed ΩGWith the rotating speed Ω under specified outputRatedCompare (S112).
When generator speed ΩGLess than the rotating speed Ω under specified outputRatedTime, on the basis of mean wind speed, becoming humorously
Device (Wind Generator) generates simulation wind, with the motor torque T calculated according to above-mentioned simulation windMotorBased on, control
Drive motor.On the other hand, about above-mentioned simulation wind, illustrate with reference to other figures.
More specifically, the wind speed of the simulation wind generated and the look-up table of wind-force torque are made to calculate aerodynamic force torque
(wind speed-Torque look-up table), in order to reflect the dynamic characteristic produced by blade moment of inertia, utilizes wind wheel inertia to pass
Delivery function (roter inertia transfer function) calculates the motor of the dynamic characteristic reflecting above-mentioned simulation blade
Torque.Wind energy conversion system analogy method S100 of one embodiment of the invention, does not use flywheel of the prior art, but utilizes above-mentioned
Wind wheel inertia transfers function to embody blade inertia such that it is able to construct the simpler and wind energy conversion system analog systems of low cost.
On the other hand, due to generator speed ΩGDo not reach specified output speed ΩRated, therefore by the propeller pitch angle of blade
It is set as 0 (θDemand=0), so that it is by maximum wind.Blade pitch angle (θ set as aboveDemand=0) and motor
Torque (TMotor) it is sent to control portion such that it is able to control to drive motor (S113).
In generator speed ΩGFor specified output speed ΩRatedTime above, first, based on generator speed ΩGCalculate mould
Intend propeller pitch angle data θ of bladeDemand.This is to for time more than rated wind speed, perform pitch and control to make simulation blade relatively
Less by aerodynamic force.Propeller pitch angle data θ of calculating simulation bladeDemandMethod, generator speed Ω can be usedGAnd simulation
Propeller pitch angle data θ of bladeDemandLook-up table (ΩG-θDemandLook-up table).
Then, on the basis of mean wind speed, simulation wind is generated by grow up to be a useful person humorously (wind generator), according to above-mentioned mould
Intend wind and calculate aerodynamic force torque (Wind speed-Torque look-up table), and utilize wind wheel inertia to transmit function (roter
Inertia transfer function) reflect the dynamic characteristic of above-mentioned simulation blade, thus calculate based on above-mentioned simulation blade
The first motor torque of moment of inertia.
Then, due to above-mentioned first motor torque be simulation blade angle be 0 ° time produce wind wheel torque, therefore, to upper
State the first motor torque carry out data process calculate reflection above-mentioned simulation wind-induced simulation blade propeller pitch angle change
Second motor torque.Computational methods are as follows: obtain the first motor torque and nominal torque TRatedDifference △ T, according to simulation blade
Angle carrys out the reduction of Simulated gas power torque, and utilizes time delay, utilizes current blade pitch angle θPitch(t) and previous blade pitch
Angle θPitch(t-1) difference △ θPitch, calculate scale factor (scale factor (k)), then, by the aforementioned proportion factor
Value and above-mentioned first motor torque and nominal torque TRatedDifference △ T-phase take advantage of after, with above-mentioned nominal torque TRatedIt is added, from
And calculate the second motor torque.On the other hand, aforementioned proportion factor values is to reflect that blade torque is relative to blade angle
Change and non-linearly reduce rather than reduce linearly, it is possible to utilize the difference of blade pitch angle and the look-up table of scale factor
Calculate (△ θPitch-scale factor look-up table).
Can be based on the propeller pitch angle data (θ of simulation blade set as aboveDemand) control to simulate the pitch of blade
Angle, and can control to drive motor (S114) based on above-mentioned second motor torque.
Fig. 7 is the simulation wind generating algorithm in Fig. 6.The above-mentioned simulation wind generated is to act on simulation blade in time domain
Wind, generates based on the algorithm of diagram in Fig. 7.In the wind energy conversion system analogy method of one embodiment of the invention, grow up to be a useful person humorously
(Wind Generator) can generate three kinds of wind.The first is the wind of the constant speed not having turbulent flow (turbulence), the
Two kinds is the turbulent flow " Kaimal spectrum " and " Von Karmal specified in IEC61400 wind-force standard
spectrum”.The third is proposed " Riso Smooth Terrain by Denmark renewable institute (Riso)
spectrum”。
In order to generate the frequency spectrum of applicable above-mentioned model, the product performance of available phase place with each model and size following
Formula 3 generate the wind in final time domain.Therefore, if setting the kind of the wind desired by user and required variable,
Then can generate required wind.
[formula 3]
Fori=1:N
Wind (i)=(S(i)·df 0.5 ·sin(2π·f(ii)·t+random·2π)
V(t)=Σ(Wind(i))
Above, embodiments of the invention are illustrated, but for a person skilled in the art, without departing from
In the range of the thought of the present invention described in right, can by constitute requirement increase, change, delete or
Add and the present invention is carried out various modifications and changes, it is believed that this is also contained in scope of the presently claimed invention.
Claims (8)
1. a wind energy conversion system analog systems, for simulating the service condition of actual wind energy conversion system, it is characterised in that
Including:
Wind energy conversion system mold portion, including wind wheel and drive system, this wind wheel is included in surface and is provided with the mould of multiple strain transducer
Intending blade and for configuring the wheel hub of above-mentioned simulation blade, this drive system is for increasing and decreasing the rotating speed of above-mentioned wind wheel, and transmits dynamic
Power；
Drive division, including the driving motor for driving above-mentioned wind wheel；
Power Generation Section, including electromotor, the revolving force produced in above-mentioned wind energy conversion system mold portion is transformed to electric energy by this electromotor；And
Control portion, is controlled more than one in above-mentioned wind energy conversion system mold portion, drive division or Power Generation Section；
The above-mentioned drive system of above-mentioned wind energy conversion system mold portion includes booster engine, and this booster engine makes the rotating speed of above-mentioned simulation blade increase
Adding, the rotating speed allowing it to be suitable for the generating of above-mentioned Power Generation Section rotates；
In above-mentioned drive system and above-mentioned Power Generation Section, multiple acceleration transducer, temperature sensor or speed probe are installed
In at least one sensor；
Above-mentioned control portion includes:
Drive control part, drives the amount of torque of motor or the above-mentioned simulation blade of above-mentioned wind energy conversion system mold portion to above-mentioned drive division
Propeller pitch angle be controlled；
Stateful Inspection portion, receives torque data, rotary speed data, angular velocity number from above-mentioned wind energy conversion system mold portion and above-mentioned Power Generation Section
It is processed according to, temperature data or strain data；And
Generator control portion, receives and dispatches in rotary speed data or the torque data of above-mentioned electromotor between above-mentioned generator converter
At least one data control the production electric power of above-mentioned electromotor.
Wind energy conversion system analog systems the most according to claim 1, it is characterised in that
Above-mentioned wheel hub in above-mentioned wind energy conversion system mold portion is formed with vent.
Wind energy conversion system analog systems the most according to claim 1, it is characterised in that
Above-mentioned Power Generation Section also includes generator converter, and this generator converter receives rotary speed data or the torque of above-mentioned electromotor
The input of at least one data in data, and receive and dispatch between above-mentioned control portion.
Wind energy conversion system analog systems the most according to claim 1, it is characterised in that
Above-mentioned drive system also includes the first reductor being arranged between above-mentioned wind wheel and above-mentioned electromotor, and above-mentioned drive division is also
Including the second reductor being arranged between above-mentioned driving motor and above-mentioned wind wheel.
5. a wind energy conversion system analogy method, simulates system for driving according to the wind energy conversion system according to any one of Claims 1 to 4
System, it is characterised in that
Including:
First step, receives propeller pitch angle and the generator speed of simulation blade, and by under above-mentioned generator speed and specified output
Rotating speed compare；
Second step, when above-mentioned generator speed is less than the rotating speed under above-mentioned specified output, generates simulation wind, and with based on upper
Based on the motor torque stating simulation wind and calculate, control to drive motor；And
Third step, time more than the rotating speed under above-mentioned generator speed is above-mentioned specified output, generates simulation wind, and according to upper
Stating propeller pitch angle data and the motor torque of simulation blade, propeller pitch angle and driving motor to above-mentioned simulation blade are controlled, its
In, the propeller pitch angle data of above-mentioned simulation blade are propeller pitch angle data based on above-mentioned generator speed, and said motor torque is base
In the motor torque that above-mentioned simulation wind calculates.
Wind energy conversion system analogy method the most according to claim 5, it is characterised in that
The above-mentioned simulation wind generated is the wind acting on above-mentioned simulation blade in time domain.
Wind energy conversion system analogy method the most according to claim 5, it is characterised in that
Above-mentioned second step includes:
Calculate the step of the aerodynamic force torque corresponding with above-mentioned simulation wind facies；
Utilize wind wheel inertia to transmit function, calculate the step of the motor torque of the dynamic characteristic reflecting above-mentioned simulation blade；With
And
Control to drive the step of motor according to said motor torque.
Wind energy conversion system analogy method the most according to claim 5, it is characterised in that
Above-mentioned third step includes:
Calculate the step of the propeller pitch angle data of above-mentioned simulation blade based on above-mentioned generator speed；
Calculate the step of the aerodynamic force torque corresponding with above-mentioned simulation wind facies；
Utilize wind wheel inertia to transmit function, calculate the step of the first motor torque of the dynamic characteristic reflecting above-mentioned simulation blade
Suddenly；
Above-mentioned first motor torque is carried out data process, calculates reflection by the wind-induced above-mentioned simulation blade of above-mentioned simulation
The step of the second motor torque of propeller pitch angle change；And
Propeller pitch angle data according to above-mentioned simulation blade control the propeller pitch angle of above-mentioned simulation blade, and according to above-mentioned second horse
Reach torque and control to drive the step of motor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| KR10-2011-0088924 | 2011-09-02 | ||
| KR1020110088924A KR101104127B1 (en) | 2011-09-02 | 2011-09-02 | Wind turbine simulation system and method of the same |
| PCT/KR2012/001061 WO2013032077A1 (en) | 2011-09-02 | 2012-02-13 | Wind turbine simulation system and method |
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| CN103797246B true CN103797246B (en) | 2016-11-23 |
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| KR101343076B1 (en) | 2012-05-03 | 2013-12-20 | 주식회사 해성산전 | Test device of yaw drive and pitch drive for wind power generator |
| CN103575537A (en) * | 2012-08-06 | 2014-02-12 | 西门子风力发电设备(上海)有限公司 | Blade position simulating device of variable-pitch loading test platform |
| KR101375268B1 (en) | 2012-10-11 | 2014-03-17 | 삼성중공업 주식회사 | Apparatus and method for measuring rotation velocity of wind power generator |
| ES2700729T3 (en) * | 2013-07-29 | 2019-02-19 | Vestas Wind Sys As | Simulation of a maximum power output of a wind turbine |
| KR101449535B1 (en) * | 2013-08-05 | 2014-10-13 | 한국전력공사 | Apparatus for monitoring signal processing of wind turbine blades and method thereof |
| KR101519483B1 (en) | 2013-09-27 | 2015-05-12 | 한국전력공사 | Apparatus for simulating wind power farm |
| CN104912747A (en) * | 2015-04-21 | 2015-09-16 | 中国民航大学 | Controllable type wind driven generator simulation system |
| CN107016177A (en) * | 2017-03-24 | 2017-08-04 | 南京理工大学 | A kind of wind energy conversion system simulation experiment platform |
| CN108131258B (en) * | 2018-01-16 | 2019-10-11 | 绍兴市梓昂新材料有限公司 | A kind of rotation speed monitor using photoelectric counting for wind-driven generator |
| TWI682352B (en) * | 2018-05-23 | 2020-01-11 | 崑山科技大學 | Wind power generation simulation system |
| CN109458307B (en) * | 2018-12-21 | 2023-08-08 | 沈阳航空航天大学 | Synchronous measuring device and method for pneumatic efficiency and system power generation efficiency of wind turbine |
| CN113722863B (en) * | 2021-09-10 | 2023-07-04 | 南京邮电大学 | Dynamic characteristic simulation system of wind turbine |
| KR102563462B1 (en) * | 2021-11-08 | 2023-08-04 | 재단법인 한국기계전기전자시험연구원 | Wind power simulation device |
| KR102638569B1 (en) * | 2023-10-05 | 2024-02-20 | (주)제스엔지니어링 | Apparatus for verifying controller of wind power generation based on wind power generator model |
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| US4087927A (en) * | 1977-02-22 | 1978-05-09 | Megatech Corporation | Wind power demonstration apparatus |
| KR100930956B1 (en) * | 2006-09-27 | 2009-12-10 | 한국전기연구원 | Real time simulator of wind power system |
| EP2162721B1 (en) * | 2007-05-30 | 2019-10-30 | Vestas Wind Systems A/S | Method of testing wind turbine blades |
| JP4898621B2 (en) * | 2007-10-05 | 2012-03-21 | 三菱重工業株式会社 | Wind power generator |
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