CN109185057A - A kind of selection method of wind generating set pitch control system motor and driver - Google Patents
A kind of selection method of wind generating set pitch control system motor and driver Download PDFInfo
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- CN109185057A CN109185057A CN201810952032.XA CN201810952032A CN109185057A CN 109185057 A CN109185057 A CN 109185057A CN 201810952032 A CN201810952032 A CN 201810952032A CN 109185057 A CN109185057 A CN 109185057A
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- 238000010187 selection method Methods 0.000 title claims abstract description 12
- 238000004088 simulation Methods 0.000 claims abstract description 8
- 238000004364 calculation method Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation 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
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
-
- 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
- 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
-
- 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)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
A kind of selection method of wind generating set pitch control system motor and driver establishes simulation model in emulation platform, and carries out simulation calculation, exports blade root load data timing file under each operating condition；Calculate separately the blade blade root torque of each timing file under each operating condition, blade revolving speed, blade mechanical output 1s root-mean-square value timing, calculate the blade blade root torque of each timing file under each operating condition, blade revolving speed, blade mechanical output 600s root-mean-square value timing；The envelope for drawing torque-speed scatter plot midpoint, according to envelope line options pitch motor and driver, 1s root-mean-square value is used to determine the maximum current parameter of output in short-term of corresponding driver when the peak torque and peak torque of absolute rating, i.e. motor；600s root-mean-square value is used to determine the output-current rating parameter of corresponding driver when the nominal torque and nominal torque of nominal parameter, i.e. motor.The present invention solves the selection issue of determining wind generating set pitch control motor and driver.
Description
Technical field
The invention belongs to technical field of wind power generation more particularly to a kind of wind generating set pitch control system motor and drivings
The selection method of device.
Background technique
By the rapid development of nearly more than ten years China wind power technology, Wind turbines are gradually to single machine large capacity, big blade
Direction is developed, this efficient complete machine manufacture pressure of drop is also faced with.Variable blade control system is MW grades or more wind power generating set control
The important device of system and protection, is the service brake system of fan parking, most important to the operational safety of complete machine.Motor and driving
Device is the major power device of pitch system of wind driven generator, in the past only simply with pitch-controlled system maximum drive torque and specified drive
Dynamic torque selects the pitch-controlled system design method of pitch-controlled system motor gradually to cannot meet the needs.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides the choosing of a kind of wind generating set pitch control system motor and driver
Type method cannot accurately calculate to solve existing method and determine wind generating set pitch control motor and drive parameter, in turn
Cause pitch motor and driver type selecting improper, pitch-controlled system works, and unreliable or allowance is excessive to cause system cost is high to ask
Topic.
In order to solve the above problem, the method for the present invention includes the following steps:
A kind of selection method of wind generating set pitch control system motor and driver, which is characterized in that this method includes
Following steps:
Step 1: according to wind power generating set parameters of operating part, establishing the simulation model of wind power generating set in emulation platform；
Step 2: according to IEC61400-1 standard and GL specification (GuidelinefortheCertificationofWindT
Urbines, blower authenticate guide) (note: GL is Germanischer Lloyd's GL, and blower certification guide elaborates that German Lloyd's (GL) is right
The technical requirements of Wind turbines certification, Germanischer Lloyd's GL's blower authenticates guide, and also abbreviation GL is standardized in this application) it carries out
Wind power generating set operating condition is arranged and carries out simulation calculation, exports blade blade root load data timing file under each operating condition；It is each
Emulation data having time data, the blade position data, blade rotary speed data, blade blade root turn for including in a load timing file
Square data, emulation data are the high speed shaft data of pitch motor side；
Step 3: calculating separately the torque of blade blade root, the blade revolving speed, blade of each load timing file under each operating condition
The 1s root-mean-square value timing of mechanical output, and the blade blade root of the 1s root-mean-square value timing of each load timing file is taken out respectively
The torque of blade blade root and its corresponding blade revolving speed and blade turns when blade mechanical output, blade revolving speed maximum when torque maximum
Mechanical output and its correspondence when speed and its corresponding blade blade root torque and blade mechanical output, blade mechanical output maximum
The torque of blade blade root and blade revolving speed totally three groups of data；
Calculate separately the blade blade root torque of each timing file under each operating condition, blade revolving speed, blade mechanical output
600s root-mean-square value timing, and when taking out the blade blade root torque maximum of 600s root-mean-square value timing of each timing file respectively
Blade revolving speed and its is right when the torque of blade blade root and its corresponding blade revolving speed and blade mechanical output, blade revolving speed maximum
Mechanical output and its corresponding blade blade root when the blade blade root torque answered and blade mechanical output, blade mechanical output maximum
Torque and blade revolving speed totally three groups of data；
Step 4: the blade blade root torque in three groups of data of 1s root-mean-square value of each operating condition output, blade revolving speed are being turned
Scatter plot is drawn in square-revolving speed coordinate system；
In three groups of data of 600s root-mean-square value of each operating condition output the torque of blade blade root, blade revolving speed is in torque-
Scatter plot is drawn in revolving speed coordinate system；
Step 5: the envelope at 4 scatter plot midpoint of plot step；
Step 6: according to envelope line options pitch motor and driver, 1s root-mean-square value is used to determine absolute rating, i.e., electric
The maximum current parameter of output in short-term of corresponding driver when the peak torque and peak torque of machine；600s root-mean-square value is used to
Determine the output-current rating parameter of corresponding driver when the nominal torque and nominal torque of nominal parameter, i.e. motor；
Step 7: the exportable nominal torque-rotation speed characteristic of selected motor and driver being capable of envelope covering residence
There is the 600s root-mean-square value envelope of operating condition, that is, the motor and driver selected can satisfy the needs of system thermal design；
Exportable torque capacity-the rotation speed characteristic of selected driver and motor can envelope cover all operating conditions
1s root-mean-square value envelope, i.e., selected motor and driver can satisfy the needs of system short-time overload；Type selecting terminates.
The present invention further comprises following preferred embodiment:
In step 1, the emulation platform used includes but is not limited to bladed, matlab or FAST.
In step 2, it carries out the setting of wind power generating set operating condition and refers to that setting influences its load, uses in simulated environment
The environment and electric condition in service life and operation；Environmental condition can be further divided into wind regime and other environmental conditions, electric condition
Refer to grid conditions.
In step 3, the torque of blade blade root, blade revolving speed, blade mechanical output 1s/600s root-mean-square value calculation formula
Are as follows:
TcIt (i) is i-th of data (Nm) of the blade blade root torque data in load timing file；ScIt (i) is load timing
I-th of data (r/min) of blade rotary speed data in file；T is the time data in load timing file, i.e. root-mean-square value
At the beginning of calculating；N is the sampling number in root-mean-square value calculating cycle；TRMSIt (i) is to have n in root-mean-square value calculating cycle
Torque virtual value (Nm) when a sampled point；SRMS(i) to there is blade revolving speed when n sampled point in root-mean-square value calculating cycle
Virtual value (r/min)；PRMS(i) to there is the mechanical output virtual value (kW) when n sampled point in root-mean-square value calculating cycle.
In step 3, three groups of data of 1s/600s root-mean-square value are respectively as follows:
1. when blade blade root torque maximum: TRMS(Tmax), SRMS(Tmax), PRMS(Tmax)；
2. when blade revolving speed maximum: TRMS(Smax), SRMS(Smax), PRMS(Smax)；
3. when mechanical output maximum: TRMS(Pmax), SRMS(Pmax), PRMS(Pmax)；
Wherein, it corresponds to 1s root-mean-square value timing or 600s root-mean-square value timing, Tmax refers to paddle in corresponding timing
Leaf blade root torque capacity, Smax are blade revolving speed maximum value in corresponding timing, and Pmax refers to blade mechanical output in corresponding timing
Maximum value.
The invention has the following beneficial technical effects: more accurate selection pitch-controlled system motor and correspondence is matched
Driver can be effectively reduced type selecting allowance in the case where guarantee system safety, reduce pitch-controlled system manufacturing cost, improve city
Field competitiveness.
Detailed description of the invention
Fig. 1 is the 600s root-mean-square value scatter plot drawn；
Fig. 2 is the 1s root-mean-square value scatter plot drawn；
Fig. 3 is the envelope and driver necessary electromotor driving capability characteristic song for the 1s/600s root-mean-square value scatterplot drawn
Line；
Fig. 4 is the selection method flow chart of a kind of pitch-controlled system driver and motor of the invention；
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawings of the specification.
Such as the selection method of a kind of pitch-controlled system driver disclosed by the invention of attached drawing 4 and motor the following steps are included: step
Rapid 1: according to wind power generating set parameters of operating part, establishing simulation model in bladed；
Used emulation platform can also include other platforms such as bladed/matlab or FAST other than bladed.
Step 2: according to IEC61400-1 standard and GL specification (GuidelinefortheCertificationofWindT
Urbines, blower authenticate guide) it carries out the setting of wind power generating set operating condition and carries out simulation calculation, export blade under each operating condition
Blade root load data timing file；The emulation data having time data that include in each load timing file, blade position number
According to, blade rotary speed data, blade blade root torque data, emulation data be pitch motor side high speed shaft data；
It carries out the setting of wind power generating set operating condition and refers to that setting influences its load, service life and operation in simulated environment
Environment and electric condition；Environmental condition can be further divided into wind regime and other environmental conditions, and electric condition refers to power grid item
Part.
Step 3: such as attached drawing 2, calculating separately the blade blade root torque of each load timing file under each operating condition, blade turns
Speed, the 1s root-mean-square value timing of blade mechanical output, and take out the 1s root-mean-square value timing of each load timing file respectively
The torque of blade blade root and its corresponding blade revolving speed and blade mechanical output, blade revolving speed are maximum when blade blade root torque maximum
When blade revolving speed and its corresponding blade blade root torque and when blade mechanical output, blade mechanical output maximum mechanical output with
And its corresponding blade blade root torque and blade revolving speed totally three groups of data；
Such as attached drawing 1, the torque of blade blade root, the blade revolving speed, blade machine of each timing file under each operating condition are calculated separately
The 600s root-mean-square value timing of tool power, and the blade blade root for taking out the 600s root-mean-square value timing of each timing file respectively turns
The torque of blade blade root and its corresponding blade revolving speed and blade revolving speed when blade mechanical output, blade revolving speed maximum when square maximum
And mechanical output and its is corresponding when its corresponding blade blade root torque and blade mechanical output, blade mechanical output maximum
The torque of blade blade root and blade revolving speed totally three groups of data；
The torque of blade blade root, blade revolving speed, blade mechanical output 1s/600s root-mean-square value calculation formula are as follows:
TcIt (i) is i-th of data (Nm) of the blade blade root torque data in load timing file；ScIt (i) is load timing
I-th of data (r/min) of blade rotary speed data in file；T is the time data in load timing file, i.e. root-mean-square value
At the beginning of calculating；N is the sampling number in root-mean-square value calculating cycle；TRMSIt (i) is to have n in root-mean-square value calculating cycle
Torque virtual value (Nm) when a sampled point；SRMS(i) to there is blade revolving speed when n sampled point in root-mean-square value calculating cycle
Virtual value (r/min)；PRMS(i) to there is the mechanical output virtual value (kW) when n sampled point in root-mean-square value calculating cycle.
In step 3, three groups of data of 1s/600s root-mean-square value are respectively as follows:
1. when blade blade root torque maximum: TRMS(Tmax), SRMS(Tmax), PRMS(Tmax)；
2. when blade revolving speed maximum: TRMS(Smax), SRMS(Smax), PRMS(Smax)；
3. when mechanical output maximum: TRMS(Pmax), SRMS(Pmax), PRMS(Pmax)；
Wherein, it corresponds to 1s root-mean-square value timing or 600s root-mean-square value timing, Tmax refers to paddle in corresponding timing
Leaf blade root torque capacity, Smax are blade revolving speed maximum value in corresponding timing, and Pmax refers to blade mechanical output in corresponding timing
Maximum value.
Step 4: such as attached drawing 3, the blade blade root torque in three groups of data of 1s root-mean-square value that each operating condition is exported, blade
Revolving speed draws scatter plot in torque-speed coordinate system；
In three groups of data of 600s root-mean-square value of each operating condition output the torque of blade blade root, blade revolving speed is in torque-
Scatter plot is drawn in revolving speed coordinate system；
Step 5: such as attached drawing 3, the envelope at 4 scatter plot midpoint of plot step, the corresponding 1s root-mean-square value of each operating condition
Envelope and a 600s root-mean-square value envelope, all load values are all online interior, and the vertex in the upper right corner is maximum power point；
Step 6: according to envelope line options pitch motor and driver, 1s root-mean-square value is used to determine absolute rating, i.e., electric
The maximum current parameter of output in short-term of corresponding driver when the peak torque and peak torque of machine；600s root-mean-square value is used to
Determine the output-current rating parameter of corresponding driver when the nominal torque and nominal torque of nominal parameter, i.e. motor；
Step 7: the exportable nominal torque-rotation speed characteristic of selected motor and driver being capable of envelope covering residence
There is the 600s root-mean-square value envelope of operating condition, that is, the motor and driver selected can satisfy the needs of system thermal design；
Exportable torque capacity-the rotation speed characteristic of selected driver and motor can envelope cover all operating conditions
1s root-mean-square value envelope, i.e., selected motor and driver can satisfy the needs of system short-time overload；
Type selecting terminates.
The above specific embodiment and attached drawing are intended merely to illustrate, and are used to help more fully understand thought of the invention,
And it is not intended to limit the protection scope of the present invention.Those skilled in the art can be without departing from the spirit of the invention to this
Invention is changed.The present invention should be all fallen in made without departing from the spirit of the invention any improvement or variation
Protection scope within.
Claims (5)
1. a kind of selection method of wind generating set pitch control system motor and driver, which is characterized in that this method include with
Lower step:
Step 1: according to wind power generating set parameters of operating part, establishing the simulation model of wind power generating set in emulation platform；
Step 2: carrying out wind power generating set work according to IEC61400-1 standard and Germanischer Lloyd's GL's GL blower certification guide
Condition is arranged and carries out simulation calculation, exports blade blade root load data timing file under each operating condition；Each load timing file
In include emulation data having time data, blade position data, blade rotary speed data, blade blade root torque data, emulate number
According to the high speed shaft data for pitch motor side；
Step 3: calculating separately the torque of blade blade root, the blade revolving speed, blade machinery of each load timing file under each operating condition
The 1s root-mean-square value timing of power, and the blade blade root torque of the 1s root-mean-square value timing of each load timing file is taken out respectively
When maximum the torque of blade blade root and its corresponding blade revolving speed and when blade mechanical output, blade revolving speed maximum blade revolving speed with
And its mechanical output and its corresponding paddle when corresponding blade blade root torque and blade mechanical output, blade mechanical output maximum
The torque of leaf blade root and blade revolving speed totally three groups of data；
Calculate separately the blade blade root torque of each timing file under each operating condition, blade revolving speed, blade mechanical output 600s
Root-mean-square value timing, and take out respectively each timing file 600s root-mean-square value timing blade blade root torque maximum when blade
Blade revolving speed and its is corresponding when blade root torque and its corresponding blade revolving speed and blade mechanical output, blade revolving speed maximum
Mechanical output and its corresponding blade blade root torque when the torque of blade blade root and blade mechanical output, blade mechanical output maximum
With blade revolving speed totally three groups of data；
Step 4: in three groups of data of 1s root-mean-square value of each operating condition output the torque of blade blade root, blade revolving speed is in torque-
Scatter plot is drawn in revolving speed coordinate system；
In three groups of data of 600s root-mean-square value of each operating condition output the torque of blade blade root, blade revolving speed is in torque-speed
Scatter plot is drawn in coordinate system；
Step 5: the envelope at 4 scatter plot midpoint of plot step；
Step 6: according to envelope line options pitch motor and driver, 1s root-mean-square value is used to determine absolute rating, i.e. motor
The maximum current parameter of output in short-term of corresponding driver when peak torque and peak torque；600s root-mean-square value is used to determine
The output-current rating parameter of corresponding driver when the nominal torque and nominal torque of nominal parameter, i.e. motor；
Step 7: the exportable nominal torque-rotation speed characteristic of selected motor and driver can envelope cover all works
The needs that the 600s root-mean-square value envelope of condition, i.e. selected motor and driver can satisfy system thermal design；
Exportable torque capacity-the rotation speed characteristic of selected driver and motor can envelope cover the 1s of all operating conditions
The needs that root-mean-square value envelope, i.e. selected motor and driver can satisfy system short-time overload；Type selecting terminates.
2. the selection method of wind generating set pitch control system motor and driver according to claim 1, feature exist
In:
In step 1, the emulation platform used includes but is not limited to bladed, matlab or FAST.
3. the selection method of wind generating set pitch control system motor and driver according to claim 1, feature exist
In:
In step 2, it carries out the setting of wind power generating set operating condition and refers to that setting influences its load, service life in simulated environment
With the environment and electric condition of operation；Environmental condition can be further divided into wind regime and other environmental conditions, and electric condition refers to
Grid conditions.
4. the selection method of wind generating set pitch control system motor and driver according to claim 1, feature exist
In:
In step 3, the torque of blade blade root, blade revolving speed, blade mechanical output 1s/600s root-mean-square value calculation formula are as follows:
TcIt (i) is i-th of data (Nm) of the blade blade root torque data in load timing file；ScIt (i) is load timing file
In blade rotary speed data i-th of data (r/min)；T is the time data in load timing file, i.e. root-mean-square value calculates
At the beginning of；N is the sampling number in root-mean-square value calculating cycle；TRMSIt (i) is to there are n to adopt in root-mean-square value calculating cycle
Torque virtual value (Nm) when sampling point；SRMSIt (i) is to have blade revolving speed when n sampled point effective in root-mean-square value calculating cycle
It is worth (r/min)；PRMS(i) to there is the mechanical output virtual value (kW) when n sampled point in root-mean-square value calculating cycle.
5. the selection method of wind generating set pitch control system motor and driver according to claim 4, feature exist
In:
In step 3, three groups of data of 1s or 600s root-mean-square value are respectively as follows:
1. when blade blade root torque maximum: TRMS(Tmax), SRMS(Tmax), PRMS(Tmax)；
2. when blade revolving speed maximum: TRMS(Smax), SRMS(Smax), PRMS(Smax)；
3. when mechanical output maximum: TRMS(Pmax), SRMS(Pmax), PRMS(Pmax)；
Wherein, 1s root-mean-square value timing or 600s root-mean-square value timing are corresponded to, Tmax refers to blade leaf in corresponding timing
Root torque capacity, Smax are blade revolving speed maximum value in corresponding timing, and Pmax refers to that blade mechanical output is maximum in corresponding timing
Value.
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| CN201810952032.XA CN109185057B (en) | 2018-08-21 | 2018-08-21 | Model selection method for motor and driver of variable pitch system of wind generating set |
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| CN201810952032.XA CN109185057B (en) | 2018-08-21 | 2018-08-21 | Model selection method for motor and driver of variable pitch system of wind generating set |
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| CN110925135A (en) * | 2019-12-06 | 2020-03-27 | 中国船舶重工集团海装风电股份有限公司 | Wind turbine generator pitch motor selection method, device, equipment and storage medium |
| CN110925135B (en) * | 2019-12-06 | 2021-02-02 | 中国船舶重工集团海装风电股份有限公司 | Wind turbine generator pitch motor selection method, device, equipment and storage medium |
| CN112065659A (en) * | 2020-09-16 | 2020-12-11 | 国电联合动力技术有限公司 | Independent variable pitch control method and variable pitch comprehensive monitoring method and system for wind turbine generator |
| CN112065659B (en) * | 2020-09-16 | 2022-01-25 | 国电联合动力技术有限公司 | Independent variable pitch control method and variable pitch comprehensive monitoring method and system for wind turbine generator |
| CN114251235A (en) * | 2020-09-22 | 2022-03-29 | 新疆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 |
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| CN109185057B (en) | 2020-07-14 |
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