CN105240211B - A kind of speed-changing oar-changing Wind turbines optimize power curve control method - Google Patents
A kind of speed-changing oar-changing Wind turbines optimize power curve control method Download PDFInfo
- Publication number
- CN105240211B CN105240211B CN201510758886.0A CN201510758886A CN105240211B CN 105240211 B CN105240211 B CN 105240211B CN 201510758886 A CN201510758886 A CN 201510758886A CN 105240211 B CN105240211 B CN 105240211B
- Authority
- CN
- China
- Prior art keywords
- speed
- power
- wind
- setting
- wind turbines
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 68
- 238000013016 damping Methods 0.000 claims description 15
- 238000004364 calculation method Methods 0.000 claims description 12
- 238000005457 optimization Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000010248 power generation Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001061 forehead Anatomy 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Control Of Eletrric Generators (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of speed-changing oar-changing Wind turbines to optimize power curve control method, it is characterised in that：By dynamic regulation Wind turbines rated speed and the setting value of nominal torque, unit is eliminated as far as possible because mechanical parameter difference difference causes power wind speed power curve deviation.Ensure that separate unit Wind turbines reduce power curve difference under equal external condition, also improve availability of the Wind turbines to wind energy simultaneously, pass through the research of the control method of blower fan, it is proposed a kind of method of dynamic regulation nominal parameter, reduce or solve the problems, such as because unit wind speed power curve is not up to standard caused by the difference or environmental factor difference of Wind turbines self character, while also ensure that utilization of the Wind turbines to wind energy is optimal.
Description
Technical field
The present invention relates to the control field of MW class wind turbine group, and in particular to a kind of speed-changing oar-changing Wind turbines
Optimize power curve control method.
Background technology
Air-blower control studies initial stage, will not control using the stationarity of blower fan, security control as primary captures target
Power curve method mentions top priority, and as power curve problem is outstanding day by day, the notice of control is just transferred, below
It is the comprehensive analysis to our factory blower fan, proposes a kind of method of Dynamic parameter adjustment, solves the power of Wind turbines
Curve Problems.
State Intellectual Property Office disclosed a Publication No. CN103925155A on 07 16th, 2014, entitled
The patent of invention of " a kind of abnormal self-adapting detecting method of Wind turbines power output ", the content of the invention are related to a kind of wind turbine
The abnormal self-adapting detecting method of group power output, it comprises the following steps：Collect running of wind generating set initial stage and running status
Wind turbines power output corresponding to difference wind speed when good, and as master sample data, establish standard sample database；Adopt
With Shepard interpolation methods, the Wind turbines power output master pattern based on wind speed information is established；Wind turbines state is supervised
Air speed data in survey substitutes into Wind turbines power output master pattern, and Wind turbines power output under current wind speed is calculated
Standard value, according to the measured value of the standard value and Wind turbines power output, calculate the power under the current wind speed of Wind turbines
Deviation；By power deviation compared with default power deviation threshold value, if power deviation is more than default power deviation threshold
Value, then show the power output exception of Wind turbines and alarmed.
Blower fan master controller setup parameter-rated power, nominal torque, rated speed, blower fan is in normal power generation, blade
The energy of absorption is directly proportional to power, but because the mechanical property of blower interior is different, same parameter setting has can
Different effects can be produced, such as 1# blower fans meet under external condition that can is completely sent out in nominal torque and rated speed, 2#
Blower fan is because its mechanical property and corresponding deviation cause not sending out completely under same parameter and external condition, if extraneous factor is temporary
It is contemplated that to be identical, in order to optimize the wind speed power curve of blower fan in the case of same condition, parameter carries between setting range
Go out following solution method.
The content of the invention
The present invention is MW class speed-changing oar-changing double-fed wind power generator group wind speed power curve optimal control method, passes through control
Dynamic regulation nominal parameter during system, such as：Rated power, nominal torque, rated speed etc., make Wind turbines to wind energy
Utilization rate is optimal, while also ensures that separate unit power of fan curve is kept in the same horizontal line with other blower fans.Reach simultaneously
To the effect of optimization power of fan curve.
Technical solution of the present invention is as follows：
A kind of speed-changing oar-changing Wind turbines optimize power curve control method, it is characterised in that comprise the following steps：
（1）The mean wind speed of 10 minutes when running of wind generating set generates electricity is judged, if 10 minutes mean wind speeds of unit are always
It is stable in full hair wind speed or more than full hair wind speed, unit is not when carrying out the active management of wind field, if actual active power is low all the time
In unit power-handling capability, can preliminary judgement this typhoon group of motors parameter matching it is improper, it is necessary to carry out dynamic regulation.
（2）On the premise of fan safe is considered, the parameter of master control inner setting is applied and carried out in control method
Dynamic adjusts.In order to ensure rotation speed of fan control, the nominal torque setting value of the first successive step unit, enter according to certain step-length
Mobile state is adjusted, while active power during real-time tracking set steady；Second step is when moment of torsion is adjusted to maximum adjusted value, meter
The deviation of current power of fan and rated power is calculated, rated speed during blower fan Operation at full power is adjusted, if rotating speed is being set
Calmly completely send out when rated speed maximum when（Nominal speed range 1750rpm/min-1900rpm/min）, then do not adjust specified
Speed setting, on the contrary speed dynamic adjustment is up to 1900rpm/min.
（3）After blower fan is because of disorderly closedown or artificial manual shut-down, control method pre-set parameter is reduced to master controller
Initial setup parameter, entering dynamic regulation condition every time need to rejudge to blower fan current operating situation, it is ensured that the safety of blower fan
Property.
（4）After Wind turbines are grid-connected before full hair wind speed, nominal parameter need not be changed, near full hair wind speed, due to
Response characteristic of unit itself and the deviation of mechanical property, indivedual blower fans can not ensure pair in the range of theory setting nominal parameter
The optimum rate of utilization of wind energy, causes energy loss, and unit utilizes state, in the long run, the wind of blower fan in poor efficiency for a long time
Fast power curve is difficult to reach requirement.On the premise of aerogenerator unit safe is ensured, pass through setting for dynamic regulation rated value
It is fixed, judge whether parameter current meets that control is required to carry out dynamic regulation according to actual conditions.
（5）If blower fan is completely sent out in Theoretical Design and rated power operation is consistently less than in wind speed range, blower fan master control is set
Good nominal parameter carries out dynamic micro-adjustments, according to the setting of certain proportionate relationship dynamic adjustment nominal torque and rated speed
Value, and then the active power that Wind turbines are sent is adjusted, improve the wind speed power curve of unit.
In practice, the parameter setting of wind power generating set, Wind turbines nominal torque setting value is set with master control system
Setting range is 8400Nm-9030Nm (peak torque sets range as 11000Nm), rated speed pre-set parameter
Setting range is 1750rpm/min-1900rpm/min (maximum (top) speed sets range as 2000rpm/min), Rated Power Parameters
Setting value is 1500KW-1560KW (maximum rated generated output range is 2000KW).
The Protection parameters value of master controller setting not changes, and the newly-built intermediate variable of program code performs as control method
Call, specific measures for implementation are：
(1) judge 10 minutes average wind speed of completely sending out when design completely sends out wind speed (by taking 13m/s as an example), Wind turbines it is active
Whether error between power and rated power setting value is more than 50Kw, i.e.,：Power difference (△ P)=rated power setting value (P
Volume)-current power actual value (P is real), if condition meets to perform the control of power curve optimization method, dynamic regulation nominal torque is set
Definite value；If mean wind speed was more than certain value in 10 minutes（By taking 16m/s as an example）Or Wind turbines hinder for some reason stopping generate electricity when, by method
Initiating master setting value is reduced to intermediate variable.
(2) when dynamic state of parameters regularization condition meets, dynamic adjustment moment of torsion, its control method are current setting moments of torsion first
Value calculating difference compared with torque setting scope maximum 9030Nm, i.e.,：Torque difference (△ T)=9030- works as forehead
Determine torque setting value (T volumes), in conjunction with（1）In the power difference (△ P) that calculates do corresponding dynamic torque regulation, method is such as
Under：
Nominal torque value (T the volumes)=K calculated（△P/△T）* 10+ T volumes, wherein K are control system torque damping system
Number, damped coefficient difference blower control method are different to the damping ratio of moment of torsion, according to torque system in response to determining that damping coefficient.
△ P are power difference, and △ T are torque difference, and T volumes are master control nominal torque pre-set parameter.In order to alleviate moment of torsion each cycle meter
The unstable regulation of Wind turbines moment of torsion caused by calculation step-length is excessive, by this calculation formula, steadily by nominal torque setting value
Improve, in each 10 programme-control cycles of control interval, avoid occurring larger power swing in parameter tuning process, if regulation
Process power meets to require, then maintains current torque setting value, do not carrying out dynamic regulation, if regulation power is still not up to.
(3) regulation for rotating speed needs processing with caution, avoids Fan Regulation from exceeding the speed limit, and treats one after the completion of moment of torsion regulation
In the section time, judge whether rotating speed also needs to carry out dynamic regulation further according to actual conditions, if initial nominal tachometer value has been set
To 1900rpm/min, then without rotational speed regulation.Conversely, rotating speed difference (△ V)=1900- current nominal torque setting values (V
Volume), with reference to（1）In the power difference (△ P) that calculates do corresponding Dynamic Speed regulation, method is as follows：
Rated speed value (V volumes)=K (△ the V/10)+V volumes calculated, wherein K are control system rotating speed control damping system
Number, damped coefficient difference blower control method is different to the damping ratio of moment of torsion, according to real system in response to determining that damping coefficient,
△ V are rotating speed difference, and V volumes are master control rated speed setting value.In order to alleviate rotating speed each cycle material calculation it is excessive caused by
The unstable regulation of Wind turbines.By this calculation formula, rated speed setting value is improved steadily, each 10 journeys of control interval
Sequence controlling cycle, avoid occurring larger power swing in parameter tuning process.
Beneficial effects of the present invention are as follows：
Present invention aims at eliminate because the individual difference of Wind turbines causes the mismatch of parameter, and then influence indirectly
To the power curve of single unit.By the parameter set inside dynamic regulation master control, controlled applied to method, make unit
When reaching design and completely sending out wind speed, active power enters Mobile state and completely sends out matching, so as to solve at present because of blower fan individual bad mechanical property
The problem of different perplexed power of the assembling unit curve is nonconforming.Single unit wind speed-power curve can preferably be improved, carried simultaneously
High Wind turbines, to the utilization ratio of wind energy, also bring indirect profit to full hair wind speed for wind power plant.
Brief description of the drawings
Fig. 1 is that Wind turbines optimize power curve control method FB(flow block).
Embodiment
Embodiment 1：
A kind of speed-changing oar-changing Wind turbines optimize power curve control method, it is characterised in that comprise the following steps：
（1）The mean wind speed of 10 minutes when running of wind generating set generates electricity is judged, if 10 minutes mean wind speeds of unit are steady always
It is scheduled on full hair wind speed or more than full hair wind speed, unit is not when carrying out the active management of wind field, if actual active power is consistently lower than
Unit power-handling capability, can preliminary judgement it is improper to, it is necessary to carry out dynamic regulation for the matching of this typhoon group of motors parameter.
（2）On the premise of fan safe is considered, by the air-blower control parameter of master control inner setting according to actual conditions
Dynamic in real time is carried out to adjust.In order to ensure rotation speed of fan control, the nominal torque setting value of the first successive step unit, according to certain
Step-length increase, while active power when judging set steady, if nominal torque parameter has been set at maximum rated rotating speed
Value 9030Nm, then nominal torque setting is not adjusted, otherwise nominal torque is set in the range of 8400Nm-9030Nm
Mobile state adjusts；Second step is adjusted to maximum adjusted value in moment of torsion, calculates power deviation, adjusts volume during blower fan Operation at full power
Determine rotating speed, if rated speed parameter has been set at maximum rated tachometer value 1900rpm/min, do not adjust rated speed and set
It is fixed, on the contrary rated speed is entered into Mobile state adjustment in 1750rpm/min-1900 rpm/min.
（3）Control method pre-set parameter is reduced to master controller by blower fan because of disorderly closedown or after thinking manual shut-down
Setup parameter, each entry condition need to rejudge, it is ensured that the security of blower fan.
（4）After Wind turbines are grid-connected before full hair wind speed, nominal parameter need not be changed, near full hair wind speed, due to
Response characteristic of unit itself and the deviation of mechanical property, indivedual blower fans can not ensure pair in the range of theory setting nominal parameter
The optimum rate of utilization of wind energy, causes energy loss, and unit utilizes state, in the long run, blower fan in poor efficiency for a long time
Wind speed power curve is difficult to reach requirement.On the premise of aerogenerator unit safe is ensured, pass through dynamic regulation rated value
Setting, judge whether parameter current meets that control is required to carry out dynamic regulation according to actual conditions.
（5）If blower fan is completely sent out in Theoretical Design and rated power operation is consistently less than in wind speed range, blower fan master control is set
Good nominal parameter carries out dynamic micro-adjustments, according to the setting of certain proportionate relationship dynamic adjustment nominal torque and rated speed
Value, and then the active power that Wind turbines are sent is adjusted, improve the wind speed power curve of unit.
With reference to the parameter setting of certain wind power generating set, Wind turbines nominal torque range of set value is set with master control system
Between 8400 Nm -9030Nm (peak torque sets range as 11000Nm), the setting of rated speed pre-set parameter
Between scope 1750rpm/min-1900 rpm/min (maximum (top) speed sets range as 2000rpm/min), Rated Power Parameters
Between setting value is 1500KW-1560KW (maximum rated generated output range is 2000KW), actual generation power and theoretical work(
There is calculating difference in rate curve, it is assumed that nominal torque is set as 8400 Nm, and rated speed is set as 1790rpm/min, specified
Power setting 1520KW, if the blower fan is unable to reach full hair-like state in full hair wind speed interval, you can by dynamic in the present invention
State adjusting method, the first step carry out torque and dynamic regulation are carried out in range ability, make the increase of wind turbine power generation power, if power is still
Second step regulation need to be carried out by being unsatisfactory for requirement；Second step carries out rotational speed regulation, according to entering in the section of rated speed parameter setting
Mobile state is adjusted, and wind turbine power generation power is got a promotion；The power of the assembling unit more presses close to contract standard power curve.
Embodiment 2：
A kind of speed-changing oar-changing Wind turbines optimize power curve control method, it is characterised in that comprise the following steps：
（1）The mean wind speed of 10 minutes when running of wind generating set generates electricity is judged, if 10 minutes mean wind speeds of unit are steady always
It is scheduled on full hair wind speed or more than full hair wind speed, unit is not when carrying out the active management of wind field, if actual active power is consistently lower than
Unit power-handling capability, can preliminary judgement it is improper to, it is necessary to carry out dynamic regulation for the matching of this typhoon group of motors parameter.
（2）On the premise of fan safe is considered, by the air-blower control parameter of master control inner setting according to actual conditions
Dynamic in real time is carried out to adjust.If unit nominal torque has been set to maximum adjusted value, unit generation power exists with rated power
Deviation is calculated, rated speed during blower fan Operation at full power is adjusted, if rated speed parameter has been set at maximum rated rotating speed
Value 1900rpm/min, then rated speed setting is not adjusted, otherwise rated speed is entered in 1750rpm/min-1900rpm/min
Mobile state adjusts.
（3）Control method pre-set parameter is reduced to master controller by blower fan because of disorderly closedown or after thinking manual shut-down
Setup parameter, each entry condition need to rejudge, it is ensured that the security of blower fan.
（4）After Wind turbines are grid-connected before full hair wind speed, nominal parameter need not be changed, near full hair wind speed, due to
Response characteristic of unit itself and the deviation of mechanical property, indivedual blower fans can not ensure pair in the range of theory setting nominal parameter
The optimum rate of utilization of wind energy, causes energy loss, and unit utilizes state, in the long run, blower fan in poor efficiency for a long time
Wind speed power curve is difficult to reach requirement.On the premise of aerogenerator unit safe is ensured, pass through dynamic regulation rated value
Setting, judge whether parameter current meets that control is required to carry out dynamic regulation according to actual conditions.
（5）If blower fan is completely sent out in Theoretical Design and rated power operation is consistently less than in wind speed range, blower fan master control is set
Good nominal parameter carries out dynamic micro-adjustments, adjusts the setting value of rated speed according to certain proportionate relationship dynamic, and then adjust
The active power that Wind turbines are sent, improve the wind speed power curve of unit.
With reference to the parameter setting of certain wind power generating set, master control system setting Wind turbines nominal torque setting value setting model
Enclose 9030Nm (nominal torque setting range is 8400 Nm-9030Nm), rated speed pre-set parameter setting range
Between 1750rpm/min-1900 rpm/min (maximum (top) speed sets range as 2000rpm/min), Rated Power Parameters setting
It is worth between 1500KW-1560KW (maximum rated generated output range is 2000KW), actual generation power is bent with theoretical power (horse-power)
There is calculating difference in line, it is assumed that rated speed is set as 1790rpm/min, rated power setting 1520KW, if the blower fan is full
Full hair-like state is unable to reach in hair wind speed interval, you can by the dynamic regulating method in the present invention, according to rated speed parameter
Dynamic regulation is carried out in the section of setting, wind turbine power generation power is got a promotion, more close to blower fan contract standard power curve.
Embodiment 3：
A kind of speed-changing oar-changing Wind turbines optimize power curve control method, it is characterised in that comprise the following steps：
（1）The mean wind speed of 10 minutes when running of wind generating set generates electricity is judged, if 10 minutes mean wind speeds of unit are steady always
It is scheduled on full hair wind speed or more than full hair wind speed, unit is not when carrying out the active management of wind field, if actual active power is consistently lower than
Unit power-handling capability, can preliminary judgement it is improper to, it is necessary to carry out dynamic regulation for the matching of this typhoon group of motors parameter.
（2）On the premise of fan safe is considered, by the air-blower control parameter of master control inner setting according to actual conditions
Dynamic in real time is carried out to adjust.Nominal torque setting value, the rated speed setting value of unit have set maximum nominal torque value
（9030 N·m）, maximum rated tachometer value（1900 rpm/min）If setting value is maximum rated 1560KW to rated power
（Rated Power Parameters setting value is 1500KW-1560KW）, then rated speed setting is not adjusted, otherwise rated power is existed
1500KW-1560KW enters Mobile state adjustment.
（3）Control method pre-set parameter is reduced to master controller by blower fan because of disorderly closedown or after thinking manual shut-down
Setup parameter, each entry condition need to rejudge, it is ensured that the security of blower fan.
（4）After Wind turbines are grid-connected before full hair wind speed, nominal parameter need not be changed, near full hair wind speed, due to
Response characteristic of unit itself and the deviation of mechanical property, indivedual blower fans can not ensure pair in the range of theory setting nominal parameter
The optimum rate of utilization of wind energy, causes energy loss, and unit utilizes state, in the long run, blower fan in poor efficiency for a long time
Wind speed power curve is difficult to reach requirement.On the premise of aerogenerator unit safe is ensured, pass through dynamic regulation rated value
Setting, judge whether parameter current meets that control is required to carry out dynamic regulation according to actual conditions.
（5）If blower fan is completely sent out in Theoretical Design and rated power operation is consistently less than in wind speed range, blower fan master control is set
Good nominal parameter carries out dynamic micro-adjustments, according to the setting of certain proportionate relationship dynamic adjustment nominal torque and rated speed
Value, and then the active power that Wind turbines are sent is adjusted, improve the wind speed power curve of unit.
With reference to the parameter setting of certain wind power generating set, with master control system setting Wind turbines nominal torque setting value setting
Scope is 8400Nm-9030 Nm (peak torque sets range as 11000 Nm), and rated speed pre-set parameter is set
It is 1750rpm/min-1900 rpm/min (maximum (top) speed sets range as 2000rpm/min) to determine scope, Rated Power Parameters
Exemplified by setting value is 1500KW-1560KW (maximum rated generated output range is 2000KW), it is assumed that wind power generating set is specified
Torque setting is 9030 Nm, and rated speed is set as 1900 rpm/min, and rated power is set as 1520KW, if the blower fan
Full hair-like state is unable to reach in full hair wind speed interval, you can by the dynamic regulating method in the present invention, according to rated power
Dynamic regulation is carried out in the section of parameter setting, wind turbine power generation power is got a promotion, more close to blower fan contract standard power
Curve.
Further, the Protection parameters value of master controller setting not changes, and the newly-built intermediate variable of program code is as control
Method processed performs calling, and specific measures for implementation are：
(1) judge 10 minutes average wind speed of completely sending out when design completely sends out wind speed (by taking 13m/s as an example), Wind turbines it is active
Whether error between power and rated power setting value is more than 50Kw, i.e.,：Power difference (△ P)=rated power setting value (P
Volume)-current power actual value (P is real), if condition meets to perform the control of power curve optimization method, dynamic regulation nominal torque is set
Definite value；If mean wind speed was more than certain value in 10 minutes（By taking 16m/s as an example）Or Wind turbines hinder for some reason stopping generate electricity when, by method
Initiating master setting value is reduced to intermediate variable.
(2) when dynamic state of parameters regularization condition meets, dynamic adjustment moment of torsion, its control method are current setting moments of torsion first
Value calculating difference compared with torque setting scope maximum 9030Nm, i.e.,：Torque difference (△ T)=9030- works as forehead
Determine torque setting value (T volumes), in conjunction with（1）In the power difference (△ P) that calculates do corresponding dynamic torque regulation, method is such as
Under：
Nominal torque value (T the volumes)=K calculated（△P/△T）* 10+ T volumes, wherein K are control system torque damping system
Number, damped coefficient difference blower control method are different to the damping ratio of moment of torsion, according to torque system in response to determining that damping coefficient.
△ P are power difference, and △ T are torque difference, and T volumes are master control nominal torque pre-set parameter.In order to alleviate moment of torsion each cycle meter
The unstable regulation of Wind turbines moment of torsion caused by calculation step-length is excessive, by this calculation formula, steadily by nominal torque setting value
Improve, in each 10 programme-control cycles of control interval, avoid occurring larger power swing in parameter tuning process, if regulation
Process power meets to require, then maintains current torque setting value, do not carrying out dynamic regulation, if regulation power is still not up to.
(3) regulation for rotating speed needs processing with caution, avoids Fan Regulation from exceeding the speed limit, and treats one after the completion of moment of torsion regulation
In the section time, judge whether rotating speed also needs to carry out dynamic regulation further according to actual conditions, if initial nominal tachometer value has been set
To 1900rpm/min, then without rotational speed regulation.Conversely, rotating speed difference (△ V)=1900- current nominal speed setting values (V
Volume), with reference to（1）In the power difference (△ P) that calculates do corresponding Dynamic Speed regulation, method is as follows：
Rated speed value (V volumes)=K (△ the V/10)+V volumes calculated, wherein K are control system rotating speed control damping system
Number, damped coefficient difference blower control method is different to the damping ratio of moment of torsion, according to real system in response to determining that damping coefficient,
△ V are rotating speed difference, and V volumes are master control rated speed setting value.In order to alleviate rotating speed each cycle material calculation it is excessive caused by
The unstable regulation of Wind turbines.By this calculation formula, rated speed setting value is improved steadily, each 10 journeys of control interval
Sequence controlling cycle, avoid occurring larger power swing in parameter tuning process.
(4) when nominal torque and rated speed without adjustment space when, if initial nominal performance number set to
1560KW, then without rotational speed regulation.Conversely, rotating speed difference (△ P)=1560- current nominals set value of the power (P volumes), with reference to
（1）In the power difference (△ P) that calculates do corresponding Dynamic Speed regulation, method is as follows：
Power-handling capability (P volumes)=K (△ the P/10)+P volumes calculated, wherein K are control system Power Control damping system
Number, according to real system in response to determining that damping coefficient, △ P are rotating speed difference, P volumes are master control rated power setting value.In order to
The unstable regulation of Wind turbines caused by alleviation power each cycle material calculation is excessive.By this calculation formula, steadily by volume
Determine set value of the power raising, in each 10 programme-control cycles of control interval, avoid occurring larger work(in parameter tuning process
Rate fluctuates.
Claims (5)
1. a kind of speed-changing oar-changing Wind turbines optimize power curve control method, it is characterised in that comprise the following steps：
（1）The mean wind speed of 10 minutes when running of wind generating set generates electricity is judged, if 10 minutes mean wind speeds of unit are stablized always
Completely send out wind speed or more than full hair wind speed, unit is not when carrying out the active management of wind field, if actual active power is consistently lower than unit
Power-handling capability, can the matching of preliminary judgement this typhoon group of motors parameter it is improper, it is necessary to carry out dynamic regulation；
（2）On the premise of fan safe is considered, the parameter of master control inner setting is applied and enters Mobile state in control method
Adjustment, in order to ensure rotation speed of fan control, the nominal torque setting value of the first successive step unit, increase according to certain step-length,
Active power during set steady is judged simultaneously；Second step is adjusted to maximum adjusted value in moment of torsion, calculates power deviation, adjusts wind
Rated speed during machine Operation at full power, if rotating speed completely sends out rated speed maximum rotating speed in setting, do not adjust specified
Speed setting, on the contrary speed dynamic is adjusted maximum；3rd successive step unit rated power setting value, while judge set steady
When active power；
（3）Blower fan is reduced to master controller setting because of disorderly closedown or after thinking manual shut-down, by control method pre-set parameter
Parameter, each entry condition need to rejudge, it is ensured that the security of blower fan；
（4）After Wind turbines are grid-connected before full hair wind speed, nominal parameter need not be changed, near full hair wind speed, due to unit
Response characteristic itself and mechanical property deviation, indivedual blower fans can not ensure to wind energy in the range of theory setting nominal parameter
Optimum rate of utilization, cause energy loss, if unit for a long time in poor efficiency utilize state, the wind speed power curve of blower fan is just
It is extremely difficult to require, on the premise of aerogenerator unit safe is ensured, by the setting of dynamic regulation rated value, according to specific bar
Part judges whether parameter current meets that control is required to carry out dynamic regulation；
（5）If blower fan is completely sent out in Theoretical Design and rated power operation is consistently less than in wind speed range, blower fan master control is set
Nominal parameter carries out dynamic micro-adjustments, according to the setting value of certain proportionate relationship dynamic adjustment nominal torque and rated speed, enters
And the active power that Wind turbines are sent is adjusted, improve the wind speed power curve of unit.
2. its sign of a kind of speed-changing oar-changing Wind turbines optimization power curve control method according to claim 1 is：Also
Including：The Protection parameters value of master controller setting not changes, and the newly-built intermediate variable of program code performs tune as control method
With its specific methods ＆＆ steps of implementation is：
（1）10 minutes average wind speed of completely sending out are judged when design completely sends out wind speed 13m/s, the active power of Wind turbines and specified work(
Whether error between rate setting value is more than 50Kw, i.e.,：Power difference (△ P)=rated power setting value (P volumes)-current power
Actual value (P is real), if condition meets to perform the control of power curve optimization method, dynamic regulation nominal torque setting value；If 10 points
Clock mean wind speed is more than so that during 16m/s or when Wind turbines hinder stopping generating for some reason, method to be reduced to initially with intermediate variable
Master control setting value；
（2）When dynamic state of parameters regularization condition meets, dynamic adjustment moment of torsion first, its control method be current setting torque value with
9030Nm, which is compared, calculates difference, i.e.,：Torque difference (△ T)=9030- current nominal torque settings value (T volumes), then
With reference to（1）In the power difference (△ P) that calculates do corresponding dynamic torque regulation, method is as follows：
The nominal torque value calculated（T changes）=K（△P/△T）* 10+ T volumes, wherein K are frequency converter torque system damped coefficient,
△ P are power difference, and △ T are torque difference, and T volumes are master control nominal torque pre-set parameter, in order to alleviate moment of torsion each cycle meter
The unstable regulation of Wind turbines moment of torsion caused by calculation step-length is excessive, by this calculation formula, steadily by nominal torque setting value
Improve, in each 10 programme-control cycles of control interval, avoid occurring larger power swing in parameter tuning process, if regulation
Process power meets requirement, then maintains current torque setting value, no longer carry out dynamic regulation,
（3）Regulation for rotating speed needs to accept with caution, avoids Fan Regulation from exceeding the speed limit, when one section after the completion of moment of torsion regulation
In, judge whether rotating speed also needs to carry out dynamic regulation further according to actual conditions, if initial nominal tachometer value has reached setting
Rated speed maximum be 1900rpm/min, then without rotational speed regulation；
（4）Conversely, rotating speed difference (△ V)=1900- current nominal torque settings value (V volumes), with reference to（1）In the power that calculates
Difference (△ P) does corresponding dynamic torque regulation, and method is as follows：
The rated speed value calculated（V changes）=K (△ V/10)+V volumes, wherein K are rotary speed system damped coefficient, and △ V are rotating speed
Difference, V volumes are master control rated speed setting value；
（5）Set for Rated Power Parameters, when beginning power-handling capability has reached the rated power maximum i.e. 1560KW of setting,
Then without rotational speed regulation；
（6）Conversely, power difference (△ P)=1560- current nominals set value of the power (P volumes), with reference to（1）In the power that calculates
Difference does corresponding dynamic torque regulation, and method is as follows：
The power-handling capability calculated（P changes）=K (△ P/10)+P volumes, wherein K are system damping coefficient, and △ P are power difference, P
Volume is master control rated power setting value.
3. its sign of a kind of speed-changing oar-changing Wind turbines optimization power curve control method according to claim 1 is：Also
Including：The Wind turbines nominal torque setting value setting range is 8400Nm-9030 Nm.
4. its sign of a kind of speed-changing oar-changing Wind turbines optimization power curve control method according to claim 1 is：Also
Including：The Wind turbines rated speed pre-set parameter setting range is 1750rpm/min- 1900rpm/min.
5. its sign of a kind of speed-changing oar-changing Wind turbines optimization power curve control method according to claim 1 is：Also
Including：The Wind turbines Rated Power Parameters setting value is 1500KW-1560KW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758886.0A CN105240211B (en) | 2015-11-10 | 2015-11-10 | A kind of speed-changing oar-changing Wind turbines optimize power curve control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758886.0A CN105240211B (en) | 2015-11-10 | 2015-11-10 | A kind of speed-changing oar-changing Wind turbines optimize power curve control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105240211A CN105240211A (en) | 2016-01-13 |
| CN105240211B true CN105240211B (en) | 2018-03-02 |
Family
ID=55037989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510758886.0A Active CN105240211B (en) | 2015-11-10 | 2015-11-10 | A kind of speed-changing oar-changing Wind turbines optimize power curve control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105240211B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843494A (en) * | 2018-05-04 | 2018-11-20 | 南京理工大学 | Blower variable-pitch optimization method based on the control of oblique line smooth power |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736253B (en) * | 2016-02-04 | 2018-10-19 | 华电电力科学研究院 | The method for judging fan condition based on wind speed and power and calculating capacity usage ratio |
| CN107100795B (en) * | 2017-07-05 | 2019-04-09 | 东方电气自动控制工程有限公司 | A kind of low wind speed apparatus for lower wind generating set MPPT self-adaptation control method |
| CN109973302B (en) * | 2017-12-28 | 2020-05-05 | 北京金风科创风电设备有限公司 | Power limiting control method and device for wind turbine |
| CN111720265B (en) * | 2019-03-21 | 2023-09-05 | 北京金风科创风电设备有限公司 | Wind power generator set comprising multiple windings, control method thereof and control device thereof |
| CN112943528B (en) * | 2019-11-26 | 2022-11-01 | 新疆金风科技股份有限公司 | Control method and device of wind generating set |
| CN111322200B (en) * | 2020-04-03 | 2022-03-01 | 上海电气风电集团股份有限公司 | Control method and control device of wind generating set |
| CN111894815B (en) * | 2020-07-29 | 2021-11-02 | 上海电气风电集团股份有限公司 | Method and device for determining power curve of wind generating set and computer readable storage medium |
| CN114251235B (en) * | 2020-09-22 | 2024-07-23 | 金风科技股份有限公司 | Method and device for determining relation between rotating speed and torque and capturing wind energy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011692A (en) * | 2010-11-26 | 2011-04-13 | 浙江运达风电股份有限公司 | Method for controlling stable operation of wind-powered generator set under different turbulence terrains |
| CN103061972A (en) * | 2011-10-20 | 2013-04-24 | 华锐风电科技(集团)股份有限公司 | Power control method and system of wind generating set |
| CN103244348A (en) * | 2012-02-08 | 2013-08-14 | 北京能高自动化技术股份有限公司 | Power curve optimization method for variable-speed variable-pitch wind generating set |
| EP2706230A1 (en) * | 2012-09-04 | 2014-03-12 | Penta Systems S.r.l. | Turbine and control system of the over-power of said turbine |
| EP2868918A1 (en) * | 2013-10-31 | 2015-05-06 | General Electric Company | System and method for controlling a wind turbine |
-
2015
- 2015-11-10 CN CN201510758886.0A patent/CN105240211B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011692A (en) * | 2010-11-26 | 2011-04-13 | 浙江运达风电股份有限公司 | Method for controlling stable operation of wind-powered generator set under different turbulence terrains |
| CN103061972A (en) * | 2011-10-20 | 2013-04-24 | 华锐风电科技(集团)股份有限公司 | Power control method and system of wind generating set |
| CN103244348A (en) * | 2012-02-08 | 2013-08-14 | 北京能高自动化技术股份有限公司 | Power curve optimization method for variable-speed variable-pitch wind generating set |
| EP2706230A1 (en) * | 2012-09-04 | 2014-03-12 | Penta Systems S.r.l. | Turbine and control system of the over-power of said turbine |
| EP2868918A1 (en) * | 2013-10-31 | 2015-05-06 | General Electric Company | System and method for controlling a wind turbine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843494A (en) * | 2018-05-04 | 2018-11-20 | 南京理工大学 | Blower variable-pitch optimization method based on the control of oblique line smooth power |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105240211A (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105240211B (en) | A kind of speed-changing oar-changing Wind turbines optimize power curve control method | |
| CN109861242B (en) | A power coordination control method and system for wind power participating in primary frequency regulation of power grid | |
| CN107294116B (en) | Multi-domain power system load frequency control method | |
| US8219256B2 (en) | Bang-bang controller and control method for variable speed wind turbines during abnormal frequency conditions | |
| JP5102957B2 (en) | Wind turbine generator control method and control system | |
| CN105743133B (en) | A kind of wind power plant participates in the active power controller method of power grid frequency modulation | |
| US8301311B2 (en) | Frequency-responsive wind turbine output control | |
| CN108518307B (en) | Power control method, control device, controller and system for wind power generating set | |
| CN106712101B (en) | A virtual inertial control system and method for doubly-fed pumped storage units | |
| CN109361233B (en) | Modeling method for dynamic process of output power of doubly-fed variable-speed pumped-storage power station | |
| CN107171368A (en) | The wind-power electricity generation primary frequency function implementation method controlled based on wind power | |
| CN107630785B (en) | Wind turbines Protection control system under one kind of multiple operating conditions | |
| CN113315179A (en) | VSG virtual inertia and damping cooperative adaptive control system and method | |
| CN110071526A (en) | A kind of PMSG blower participates in the adaptive droop control method of mains frequency adjusting | |
| CN116845924A (en) | Voltage source control method for grid-connected wind farms based on phase angle self-generation strategy | |
| CN113991705A (en) | A frequency regulation control method for wind power grid-connected system with energy storage wind farm participating in primary frequency regulation control | |
| CN114285078B (en) | Control method, device, equipment and medium of grid-supported wind power generation system | |
| CN109038666B (en) | Solar cell panel output power regulating system | |
| CN113346520B (en) | Grid frequency control method based on coordination between wind turbine and synchronous machine | |
| Guo et al. | The pitch control algorithm of wind turbine based on fuzzy control and PID control | |
| Jia et al. | Frequency-distinct control of wind energy conversion system featuring smooth and productive power output | |
| CN108879767B (en) | High voltage ride through control method, device and system for wind generating set | |
| Dingguo et al. | Modeling and design of control system for variable speed wind turbine in all operating region | |
| CN115492718B (en) | Active power control method, system, equipment and medium for primary frequency modulation | |
| Debre et al. | Analysis of DFIG based Wind Energy System with Grid Integration under normal and abnormal conditions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 618000 No. 18, Third Section of Lushan South Road, Deyang City, Sichuan Province Patentee after: Dongfang Electric Automatic Control Engineering Co., Ltd. Address before: 618099 No. 18, Section 3, Lushan South Road, Deyang City, Sichuan Province Patentee before: Sichuan Orient Electric Automatic Control Engineering Co., Ltd. |
|
| CP03 | Change of name, title or address |