CN110159491A - A kind of wind-power generating unit tower semi-automatic design method and device - Google Patents
A kind of wind-power generating unit tower semi-automatic design method and device Download PDFInfo
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- CN110159491A CN110159491A CN201910583532.5A CN201910583532A CN110159491A CN 110159491 A CN110159491 A CN 110159491A CN 201910583532 A CN201910583532 A CN 201910583532A CN 110159491 A CN110159491 A CN 110159491A
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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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02E10/728—Onshore wind turbines
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Abstract
The present invention relates to wind power generating set fields, specifically provide a kind of wind-power generating unit tower semi-automatic design method and device, it include: the top flange diameter and flange in the bottom diameter according to the pylon, determine that at least two flange outer diameters combine, the flange in the bottom diameter of every kind of the top flange diameter and the tower sections of the flange outer diameter combination comprising the top flange diameter and flange in the bottom diameter and any one tower sections of pylon；All flange outer diameter combinations are screened by optimization algorithm, obtain the combination of target flange outer diameter；It is combined in corresponding pylon in the target flange outer diameter, the safety coefficient of each pylon unit meets default safety condition, and the quality that the target flange outer diameter combines corresponding pylon is most light.Optimize the wall thickness of pylon unit by optimization algorithm, so that wind-power generating unit tower weight minimizes, to reduce the cost of wind-power generating unit tower.
Description
Technical field
The present invention relates to wind power generating set fields, set in particular to a kind of wind-power generating unit tower is semi-automatic
Count method and device.
Background technique
Pylon is the main load-supporting part of wind power generating set, and importance increases with the capacity of wind power generating set,
It is more and more obvious.The whole manufacturing cost of pylon accounts for the significant proportion of wind power generating set totle drilling cost, and the weight relationships of pylon
To entire wind power generating set support construction, one of the index of wind-power generating unit tower is even more produced.It can be seen that pylon exists
Wind power generating set design and the importance in manufacture.
Since the major function of pylon is mechanical part, the electricity generation system etc. of supporting wind power generation machine, and bear wind wheel
Active force and wind act on the power on pylon, therefore, the design of pylon is complex, need to carry out it is a variety of calculating to meet it
The function of needing to realize.The design method of the wall thickness of pylon more pays close attention to its function of needing to realize at present, and there are no one kind
Recognized within the industry relatively reasonable and advanced method, therefore cause the wall thickness of pylon thicker, higher cost.
Summary of the invention
A kind of semi-automatic design method for being designed to provide wind-power generating unit tower wall thickness of the embodiment of the present invention, with
Achieve the purpose that in optimization generating set pylon wall thickness.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
In a first aspect, the embodiment of the present invention proposes a kind of semi-automatic design method of wind-power generating unit tower wall thickness,
Include: the top flange diameter and flange in the bottom diameter according to the pylon, determines that at least two flange outer diameters combine, every kind of institute
Stating flange outer diameter combination includes the top flange diameter and flange in the bottom diameter and any one tower sections of pylon
The flange in the bottom diameter of top flange diameter and the tower sections；All flange outer diameter combinations are carried out by optimization algorithm
Screening obtains the combination of target flange outer diameter；It is combined in corresponding pylon in the target flange outer diameter, the peace of each pylon unit
Overall coefficient meets default safety condition, and the quality that the target flange outer diameter combines corresponding pylon is most light.
Second aspect, the embodiment of the present invention also propose a kind of wind-power generating unit tower semi-automatic design device, including place
Device, memory, I/O interface and bus are managed, the I/O interface is used to carry out data exchange, the storage with external equipment
Device is stored with the executable machine readable instructions of the processor, logical by bus between the processor and the memory
Letter, the processor executes the machine readable instructions, to execute above-mentioned wind-power generating unit tower semi-automatic design method
The step of.
Wind-power generating unit tower semi-automatic design method provided by the embodiment of the present invention, comprising: according to the pylon
Top flange diameter and flange in the bottom diameter, determine that at least two flange outer diameters combine, every kind of flange outer diameter combination packet
Top flange diameter and institute containing the top flange diameter and flange in the bottom diameter and any one tower sections of pylon
State the flange in the bottom diameter of tower sections；All flange outer diameter combinations are screened by optimization algorithm, obtain goal method
Blue outer diameter combination；It is combined in corresponding pylon in the target flange outer diameter, the safety coefficient of each pylon unit meets default
Safety condition, and the quality that the target flange outer diameter combines corresponding pylon is most light.Optimize pylon unit by optimization algorithm
Wall thickness so that wind-power generating unit tower weight minimize, to reduce the cost of wind-power generating unit tower.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that by implementing understanding of the embodiment of the present invention.The objectives and other advantages of the invention can be by written theory
Specifically noted structure is achieved and obtained in bright book, claims and attached drawing.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the structural schematic diagram of wind-power generating unit tower provided by the embodiment of the present invention.
Fig. 2 shows the structural schematic diagrams of tower sections provided by the embodiment of the present invention.
Fig. 3 shows the stream of the semi-automatic design method of wind-power generating unit tower wall thickness provided by the embodiment of the present invention
Cheng Tu.
Fig. 4 shows the flow chart of the sub-step of step 302 provided by the embodiment of the present invention.
Fig. 5 shows the flow chart of the sub-step of sub-step 302-1 provided by the embodiment of the present invention.
Fig. 6 shows the functional structure of wind-power generating unit tower semi-automatic design device provided by the embodiment of the present invention
Figure.
Icon: 100- wind-power generating unit tower；10- tower sections；1- flange；12- pylon unit；200- wind-driven generator
Group pylon semi-automatic design device；210- processor；220- memory；230-I/O interface；240- bus.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing a variety of different can configure to arrange and design herein.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Fig. 1 is please referred to, is the structural schematic diagram of wind-power generating unit tower provided by the embodiment of the present invention.
Wind-power generating unit tower 100 can be divided into multiple tower sections 10, wind-power generating unit tower shown in Fig. 1
100 are made of five tower sections 10, but are not limited to five tower sections 10, specifically because of actual conditions depending on.Wind power generating set
Respectively having at the top and bottom of pylon 100 also has a flange 1 between a flange 1 and adjacent tower sections 10, as schemed institute
Show, there are also flange 3 and flanges 5.
It referring to figure 2., is the structural schematic diagram of tower sections provided by the embodiment of the present invention.
Tower sections 10 can be divided into multiple pylon units 12, and tower sections 10 shown in Fig. 2 are by ten 12 groups of pylon unit
At, but be not limited to ten pylon units 12, specifically because of actual conditions depending on.
It referring to figure 3., is the semi-automatic design method of wind-power generating unit tower wall thickness provided by the embodiment of the present invention
Flow chart.
Step 301, according to the top flange diameter of pylon and flange in the bottom diameter, at least two flange outer diameter groups are determined
It closes.
Please continue to refer to Fig. 1, every kind of flange outer diameter combination includes top flange diameter and flange in the bottom diameter (such as flange 1
Place is the lower curtate flange diameter of pylon, is the top flange diameter of pylon at flange 5) and any one tower sections top
The flange in the bottom diameter of flange diameter and tower sections (can also be as the lower curtate flange diameter of tower sections 10, flange at such as flange 1
It is the top flange diameter of tower sections 10 at 3).
Flange diameter refers to flange diameter, and flange outer diameter combination refers to the combination of each flange diameter of pylon.
The quantity for obtaining tower sections first is straight comprising how many a flanges according to the combination of the quantity determination orchid outer diameter of tower sections
Diameter includes 6 flange diameters if 5 tower sections.
Then the loading spectrum for obtaining pylon is straight according to the top flange diameter of design experiences setting pylon and flange in the bottom
Diameter.In a kind of possible embodiment, top flange diameter can be but not limited to 3000mm, flange in the bottom diameter can be but
It is not limited to 4300mm.After the top flange diameter and flange in the bottom diameter that determine pylon, others are obtained according to predetermined policy
Flange diameter, such as since flange in the bottom diameter, successively decrease 200mm every time, or other numerical value are only for example herein
It is bright, as long as the top flange diameter for meeting each section of tower sections is less than or equal to flange in the bottom diameter.Make a reservation for according to selected
Strategy obtains whole flange outer diameter combinations.For example, in a kind of possible embodiment, flange outer diameter combination be can be but unlimited
(4300mm、4300mm、4300mm、4300mm、4300mm、3000mm)、(4300 mm、4000mm、3800mm、3500mm、
3000mm)。
Step 302, the combination of whole flange outer diameters is screened by optimization algorithm, obtains the combination of target flange outer diameter.
It should be noted that combining in corresponding pylon in target flange outer diameter, the safety coefficient of each pylon unit is full
The default safety condition of foot, and target flange outer diameter combine corresponding pylon quality it is most light.
Step 302 includes sub-step 302-1 and sub-step 302-2, place is not referred in this step, in its sub-step
It will be described in detail.It referring to figure 4., is the flow chart of the sub-step of step 302 provided by the embodiment of the present invention.
Sub-step 302-1 screens the combination of whole flange outer diameters by default safety condition, obtains at least one and wait for
Match flange outer diameter combination.
It should be noted that flange outer diameter to be matched combines in corresponding pylon, the safety coefficient of each pylon unit
Meet default safety condition.
Sub-step 302-1 includes sub-step 302-1-1, sub-step 302-1-2 and sub-step 302-1-3, in this step
Place is not referred to, will be described in detail in its sub-step.It referring to figure 5., is sub-step provided by the embodiment of the present invention
The flow chart of the sub-step of 302-1.
Sub-step 302-1-1 judges that each flange outer diameter combines in corresponding pylon, the safety system of each pylon unit
Whether number meets default safety condition.
Safety coefficient includes Strength Safety nargin, fatigue damage and buckling safety margin.Judge Strength Safety nargin,
Whether fatigue damage and buckling safety margin all meet default safety condition.
Wherein, Strength Safety nargin meets following formula:
Wherein, σdFor tower material allowable design stress, andσfFor material allowable stress, γmFor material peace
Overall coefficient；The σeqvFor equivalent stress；
The equivalent stress meets following formula:
Wherein,For direct stress,For shearing stress；MxyFor the conjunction on tower cross section
Moment of flexure, FzFor the axial load on tower cross section, MZFor the torque load on tower cross section, FxyIt is cut for the synthesis on tower cross section
Power load, Wb,hFor pylon module of anti-bending section, WtFor pylon Torsion Section modulus, AhFor tower cross section product.
Fatigue damage meets following formula:
Wherein, Δ σiFor the actual stress range of pylon, niFor Δ σiCycle-index, NDIt is turned for tower material S-N curve
The corresponding cycle-index of point；M is the backslash rate of tower material S-N curve.γMFor material partial safety factor, ks is thickness reduction system
Number；
Ks meets following formula:
Wherein, e is the wall thickness difference of two adjacent pylon units, e=0.5* (t1-t2), t1、t2Respectively phase
The wall thickness of two adjacent pylon units.
The following formula of the satisfaction of buckling safety margin:
Wherein, σx,EdFor pylon axial direction unstability critical stress value, σx,RdFor the axial practical buckling critical stress value of pylon,
τxθ,EdFor pylon shearing instability critical stress value, τxθ,RdPractical buckling critical stress value is sheared for pylon, k χ, k τ are dimensionless
Parameter.
Sub-step 302-1-2, if the safety coefficient of at least one pylon unit is unsatisfactory for, to the wall thickness of pylon unit into
Row adjustment, until pylon unit safety coefficient meets default safety condition.
It should be noted that wall thickness adjusted is greater than the wall thickness before adjustment.
Sub-step 302-1-3, if all meeting, flange outer diameter group is combined into flange outer diameter combination to be matched.
Sub-step 302-2 determines that target flange outer diameter combines based at least one flange outer diameter combination to be matched.
It should be noted that target flange outer diameter group is combined at least one flange outer diameter combination to be matched, corresponding tower
The most light flange outer diameter to be matched combination of frame quality.
Step 303, judge whether fatigue damage is greater than predetermined threshold.
The predetermined threshold meets default safety condition.
When fatigue damage meets default safety condition but is greater than predetermined threshold, need to the combination pair of target flange outer diameter
The pylon answered carries out center alignment optimization, makes to be aligned between the center of the pylon unit of the pylon.
Step 304, then corresponding pylon is combined to target flange outer diameter and carries out center alignment optimization.
Make the constraint condition being aligned between the pylon unit center of pylon are as follows: make the value 1 of reduction coefficient kz placed in the middle.
The following formula of satisfaction of reduction coefficient kz placed in the middle:
Wherein, e is the wall thickness difference of two adjacent pylon units, e=0.5* (t1-t2), t1、 t2Distinguish adjacent two
The wall thickness of a pylon unit.When the value of the reduction coefficient placed in the middle is 1, it is right between two parties to characterize every two adjacent pylon unit
Together.
Fig. 6 is please referred to, is the function of wind-power generating unit tower semi-automatic design device provided by the embodiment of the present invention
Structure chart.
Wind-power generating unit tower semi-automatic design device 200 includes processor 210, memory 220,230 and of I/O interface
Bus 240.
I/O interface 230 is used to carry out data exchange with external equipment.
Memory 220 is stored with the executable machine readable instructions of processor 210.
It is communicated between processor 210 and memory 220 by bus 240, processor 210 executes the machine readable finger
It enables, the step of to execute above-mentioned wind-power generating unit tower semi-automatic design method.
In conclusion wind-power generating unit tower semi-automatic design method provided by the embodiment of the present invention, comprising: according to
The top flange diameter and flange in the bottom diameter of the pylon determine that at least two flange outer diameters combine, outside every kind of flange
Diameter combination includes the top flange of the top flange diameter and flange in the bottom diameter and any one tower sections of pylon
The flange in the bottom diameter of diameter and the tower sections；All flange outer diameter combinations are screened by optimization algorithm, are obtained
Obtain the combination of target flange outer diameter；It is combined in corresponding pylon in the target flange outer diameter, the safety coefficient of each pylon unit
Meet default safety condition, and the quality that the target flange outer diameter combines corresponding pylon is most light.Optimized by optimization algorithm
The wall thickness of pylon unit so that wind-power generating unit tower weight minimize, thus reduce wind-power generating unit tower at
This.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, apparatus, equipment or computer journey
Sequence product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and hardware side
The form of the embodiment in face.Moreover, it wherein includes computer available programs that the embodiment of the present invention, which can be used in one or more,
Implement in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of code
The form of computer program product.
The embodiment of the present invention referring to according to the method for the embodiment of the present invention, device, equipment and computer program product
Flowchart and/or the block diagram describes.It should be understood that can be realized by computer program instructions every in flowchart and/or the block diagram
The combination of process and/or box in one process and/or box and flowchart and/or the block diagram.It can provide these computers
Processor of the program instruction to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices
To generate a machine, so that generating use by the instruction that computer or the processor of other programmable data processing devices execute
In the dress for realizing the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram
It sets.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In several embodiments provided by the embodiment of the present invention, it should be understood that disclosed device and method, it can also
To realize by another way.Device and method embodiment described above is only schematical, for example, in attached drawing
Flow chart and block diagram show that the devices of multiple embodiments according to the present invention, method and computer program product are able to achieve
Architecture, function and operation.In this regard, each box in flowchart or block diagram can represent module, a program
A part of section or code, a part of the module, section or code include that one or more is patrolled for realizing defined
Collect the executable instruction of function.It should also be noted that in some implementations as replacement, function marked in the box
It can be different from the sequence marked in attached drawing to occur.For example, two continuous boxes can actually be basically executed in parallel,
They can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that block diagram and/or stream
The combination of each box in journey figure and the box in block diagram and or flow chart, can the function as defined in executing or movement
Dedicated hardware based system realize, or can realize using a combination of dedicated hardware and computer instructions.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the calculating
Machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be individual
Computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.And
Storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as device (RAM, Random Access Memory), magnetic or disk.It needs
It is bright, herein, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, from
And to include the process, method, article or equipments of a series of elements not only to include those elements, but also including not bright
The other element really listed, or further include for elements inherent to such a process, method, article, or device.Do not having
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that include the element process,
There is also other identical elements in method, article or equipment.
The foregoing is merely alternative embodiments of the invention, are not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
Claims (9)
1. a kind of wind-power generating unit tower semi-automatic design method, the pylon includes at least two tower sections, each described
Tower sections include at least one pylon unit；It is characterised by comprising:
According to the top flange diameter and flange in the bottom diameter of the pylon, determine that at least two flange outer diameters combine, every kind of institute
Stating flange outer diameter combination includes the top flange diameter and flange in the bottom diameter and any one tower sections of pylon
The flange in the bottom diameter of top flange diameter and the tower sections；
All flange outer diameter combinations are screened by optimization algorithm, obtain the combination of target flange outer diameter；In the mesh
It marks flange outer diameter to combine in corresponding pylon, the safety coefficient of each pylon unit meets default safety condition, and the target
The quality that flange outer diameter combines corresponding pylon is most light.
2. wind-power generating unit tower semi-automatic design method according to claim 1, which is characterized in that described by excellent
Change algorithm to screen all flange outer diameter combinations, obtain the combination of target flange outer diameter, comprising:
All flange outer diameter combinations are screened by the default safety condition, obtain at least one flange to be matched
Outer diameter combination, the flange outer diameter to be matched combine in corresponding pylon, and the safety coefficient of each pylon unit meets default
Safety condition；
Based at least one described flange outer diameter combination to be matched, the target flange outer diameter combination, the target flange are determined
Outer diameter group is combined at least one described flange outer diameter combination to be matched, the most light flange outer diameter to be matched of corresponding pylon quality
Combination.
3. wind-power generating unit tower semi-automatic design method according to claim 1 or 2, which is characterized in that the peace
Overall coefficient includes Strength Safety nargin, fatigue damage and buckling safety margin.
4. wind-power generating unit tower semi-automatic design method according to claim 2, which is characterized in that by described pre-
If safety condition screens all flange outer diameter combinations, comprising:
Judge that each described flange outer diameter combines in corresponding pylon, whether the safety coefficient of each pylon unit meets described
Default safety condition；
If all meeting, the flange outer diameter group is combined into the flange outer diameter combination to be matched；
If the safety coefficient of at least one pylon unit is unsatisfactory for, the wall thickness of the pylon unit is adjusted, directly
Safety coefficient to the pylon unit meets the default safety condition.
5. wind-power generating unit tower semi-automatic design method according to claim 3, which is characterized in that passing through optimization
After algorithm is to the step of all the flange outer diameter combination screens, obtains the combination of target flange outer diameter, comprising:
Judge whether the fatigue damage is greater than predetermined threshold；If so, combining corresponding pylon to the target flange outer diameter
Carry out center alignment optimization, so that the value of the reduction coefficient placed in the middle of the pylon is 1.
6. wind-power generating unit tower semi-automatic design method according to claim 3, which is characterized in that
The following formula of satisfaction of the Strength Safety nargin:
Wherein, σdFor tower material allowable design stress, andσfFor material allowable stress, γmIt is safely for material
Number；The σeqvFor equivalent stress；
The equivalent stress meets following formula:
Wherein,For direct stress,For shearing stress；MxyFor the resultant bending moment on tower cross section,
FzFor the axial load on tower cross section, MZFor the torque load on tower cross section, FxyIt shears and carries for the synthesis on tower cross section
Lotus, Wb,hFor pylon module of anti-bending section, WtFor pylon Torsion Section modulus, AhFor tower cross section product.
7. wind-power generating unit tower semi-automatic design method according to claim 3, which is characterized in that the fatigue damage
Wound meets following formula:
Wherein, Δ σiFor the actual stress range of pylon, niFor Δ σiCycle-index, NDFor tower material S-N knee of curve pair
The cycle-index answered；M is the backslash rate of tower material S-N curve, γMFor material partial safety factor, ks is thickness reduction coefficient；
Ks meets following formula:
Wherein, e is the wall thickness difference of two adjacent pylon units, e=0.5* (t1-t2), t1、t2Adjacent two respectively
The wall thickness of the pylon unit.
8. wind-power generating unit tower semi-automatic design method according to claim 3, which is characterized in that the buckling peace
The following formula of satisfaction of full nargin:
Wherein, σx,EdFor pylon axial direction unstability critical stress value, σx,RdFor the axial practical buckling critical stress value of pylon, τxθ,EdFor
Pylon shearing instability critical stress value, τxθ,RdPractical buckling critical stress value, k are sheared for pylonχ、kτFor dimensionless group.
9. a kind of wind-power generating unit tower semi-automatic design device, which is characterized in that including processor, memory, I/O interface
And bus, the I/O interface are used to carry out data exchange with external equipment, memory is stored with the executable machine of the processor
Device readable instruction, by bus communication between the processor and the memory, the processor executes described machine readable
The step of instructing, generating set pylon semi-automatic design method as described in any of the claims 1 to 8 executed when executing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910583532.5A CN110159491B (en) | 2019-06-28 | 2019-06-28 | Semi-automatic design method and device for wind generating set tower |
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| CN201910583532.5A CN110159491B (en) | 2019-06-28 | 2019-06-28 | Semi-automatic design method and device for wind generating set tower |
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| CN110159491A true CN110159491A (en) | 2019-08-23 |
| CN110159491B CN110159491B (en) | 2020-06-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111262203A (en) * | 2020-01-16 | 2020-06-09 | 国网山西省电力公司晋城供电公司 | Processing method and device for sag adjustment integrated adjusting plate |
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| CN111651843B (en) * | 2020-07-03 | 2023-06-06 | 三一重能股份有限公司 | Design method and system of main frame of generator and electronic equipment |
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