CN113283678B - Fan site selection risk assessment method, system, equipment and storage medium - Google Patents
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Abstract
The invention discloses a method, a system, equipment and a storage medium for evaluating fan site selection risk, and belongs to the field of wind farm site selection. Direct risk information and indirect risk information near the fan are obtained through the fan information and the point location coordinates, meanwhile, the direct risk information is subdivided into point location risks and community risks, and the indirect risk information comprises a dangerous transfer function of high-risk object types near the fan. Compared with the existing fan site selection method, the method can accurately evaluate risks near the fan, has extremely high operability, is suitable for fans installed in different terrain characteristics, can systematically evaluate the influence of the fan site selection points on the life safety of accessories, is beneficial to helping wind farm developers to select safe wind farm sites, reduces the possibility of wind farm safety accidents, and provides a basis for reducing the risk of fan site selection.
Description
Technical Field
The invention belongs to the field of wind farm site selection, and relates to a method, a system, equipment and a storage medium for evaluating a fan site selection risk.
Background
In recent years, the wind power generation industry rapidly develops, and the reasonable and effective layout of the fans can improve the output efficiency of the fans, so that the annual energy production of the wind power plant is maximized. The wind power plant location mainly comprises macroscopic location and microscopic location, wherein the macroscopic location is to establish the wind power plant location according to wind energy resources, and the specific location of each fan needs to be established through microscopic location after the geographic location of the wind power plant is established. The wind power plant establishment method mainly considers the factors of wind energy utilization rate, influence of wind noise and the like of each wind turbine, and wind turbine establishment cost and maintenance cost, so that the wind power plant achieves the maximum annual energy generation capacity, and the construction cost and noise pollution are minimum, and the optimal result is achieved. At present, the arrangement and microscopic site selection of the wind turbine generator in complex terrains are mainly carried out by utilizing professional software such as WindSim and MeteodynWT according to the wind measuring data of the wind measuring tower in the whole year, the data of the local meteorological station in the multiple years and the like, and the actual power generation capacity of the wind turbine generator after the operation of the wind measuring tower is put into operation can not be expected due to the representativeness of the wind measuring tower and the calculation errors of the software, even accidents affecting the normal and safe operation of the wind turbine generator occur. The microscopic site selection of the fans of the existing wind power plant is often carried out around resource maximization or benefit maximization, and systematic evaluation of the site selection risk of the fans is omitted, so that the occurrence rate of fan accidents is obviously increased.
Disclosure of Invention
The invention aims to overcome the defect of inaccurate risk assessment of fan site selection in the prior art, and provides a fan site selection risk assessment method and system.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a fan site selection risk assessment method comprises the following steps:
acquiring fan information and point location coordinates of a fan of a wind farm to be evaluated;
Acquiring risk information of the fan based on the point location coordinates, wherein the risk information comprises direct risk information and indirect risk information; direct risk information includes terrain, population density, and building density; the indirect risk information comprises high-risk article information;
When the resident population in the fan risk influence range is smaller than 10 people, the direct risk information is point location risk;
when the resident population in the fan risk influence range is more than 10 people, the direct risk information comprises point location risks and community risks;
the indirect risk is a risk transfer function obtained based on the types of high-risk objects in the influence range of the fan risk;
based on the direct risk information and the indirect risk information, the total risk coefficient in the risk influence range of the fan is estimated.
Preferably, the fan information includes hub height, blade length, and mass, volume, and density of the fan components.
Preferably, risk information of the fan is obtained based on point location coordinates, and the specific operation is as follows:
dividing a risk area and acquiring risk information of the risk area;
And the risk area is a circular area taking the fan point position as the center of a circle, and the radius of the circle is more than or equal to 1km.
Preferably, the acquiring process of the point location risk is as follows:
Determining a fan failure mode based on the fan information;
searching corresponding failure frequency and corresponding death number according to the failure mode;
acquiring risk parameters of the failure mode based on the failure frequency and the number of dead people;
and adding the risk parameters of each failure mode to obtain the point location risk.
Preferably, the community risk obtaining process includes:
Determining a fan failure mode based on the fan information;
Acquiring building positions and safety grades of buildings in an influence range near the fan based on the point position coordinates;
acquiring population density distribution in an influence range near the fan based on the point location coordinates;
Based on different fan failure modes, calculating corresponding indoor risks and outdoor risks under each failure mode;
and obtaining the community risk based on the sum of the indoor risk and the outdoor risk.
Preferably, the high-risk item types include petroleum pipelines, above-ground natural gas pipelines, substations, and chemical containers.
An assessment system for fan site selection risk, comprising:
the fan information acquisition module is used for acquiring fan information of the wind power plant, and comprises hub height, blade length, mass, volume and density of each component of the fan;
The point position coordinate acquisition module is used for acquiring the point position coordinates of the fan of the wind power plant;
The risk information acquisition module is interacted with the fan information acquisition module and the point position coordinate acquisition module respectively and comprises a direct risk information acquisition unit and an indirect risk information acquisition unit;
The direct risk information acquisition unit acquires point location risks and community risks in the influence range of the fan risks based on the fan information and the point location coordinates;
The indirect risk information acquisition unit acquires a risk transfer function of the high-risk object type in the risk influence range of the fan based on the point location coordinates;
the data processing evaluation module is interacted with the risk information acquisition module and is used for carrying out data processing on the risk information and evaluating the total risk coefficient in the risk influence range of the fan according to the data processing result.
A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the fan site risk assessment method when executing the computer program.
A computer readable storage medium storing a computer program which, when executed by a processor, implements the steps of the fan site risk assessment method.
Compared with the prior art, the invention has the following beneficial effects:
The invention discloses a method for evaluating site selection risk of a fan, which acquires direct risk information and indirect risk information near the fan through fan information and point location coordinates, and subdivides the direct risk information into point location risk and community risk, wherein the indirect risk information comprises a dangerous transfer function of high-risk object types near the fan. Compared with the existing fan site selection method, the method takes all risk coefficients into consideration, so that risks near the fan can be accurately estimated. The method has extremely high operability, is suitable for fans installed in different topographic characteristics, can systematically evaluate the influence of the location points of the fans on the life safety of accessories, is beneficial to helping wind farm developers to select safe wind farm addresses, reduces the possibility of wind farm safety accidents, and provides a basis for reducing the risk of fan location.
Further, the fan information comprises hub height, blade length and mass, volume and density of each component of the fan, wherein the hub height and the blade length directly influence the range of the risk area, and parameters such as the mass, volume and density of a plurality of parts of the wind directly influence the potential risk.
Further, dividing a risk area and acquiring risk information of the risk area; the risk area is a circular area taking the fan point position as the center of a circle, the radius of the circle should fully consider the factors of the terrain and wind resources, and the radius is more than or equal to 1km.
Further, fan failure modes are determined, such as blade breakage, tower collapse, nacelle fall, etc.
The invention also discloses an evaluation system of the fan site selection risk, which comprises a fan information acquisition module, a point location coordinate acquisition module, a risk information acquisition module and a data processing evaluation module, wherein the risk information acquisition module also comprises a direct risk information acquisition unit and an indirect information acquisition unit.
Drawings
FIG. 1 is a flow chart of a method for assessing risk of fan site selection according to the present invention;
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "comprises" and "comprising," along with any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the attached drawing figures:
example 1
As shown in fig. 1, a fan site selection risk assessment method includes the following steps:
Step 1), obtaining accurate coordinates of fan information to be evaluated and point positions;
Step 2) collecting risk information near the fan point location;
Step 3) dividing the total risk R into a direct risk assessment R_direct and an indirect risk assessment R_direct;
Step 4) analyzing point location risk R_ (location-specific) in the direct risk;
step 5) when the resident population in the influence range of the fan risk is more than 10 people, analyzing the community risk R_ societal in the direct risk;
Step 6) discriminating the type of the nearby high-risk article according to the nearby risk information collected in the step 2);
step 7) selecting a corresponding risk transfer function according to the high-risk object type judged in the step 6), and calculating an indirect risk R_direct;
Step 8) adding the point risk r_ (location-specific) calculated in step 4) and the community risk r_ societal calculated in step 5) and the indirect risk r_direct calculated in step 7) to obtain the total risk of fan site selection [. R=r_ societal +r_direct+r_ (location-specific).
Example 2
A fan site selection risk assessment method comprises the following steps:
step 1) obtaining accurate coordinates of fan information and point positions to be evaluated, wherein the height of a fan hub is 110m, and the length of a blade is 156m;
step 2) collecting risk information near a fan point, and collecting that an animal farm exists in a round range of 1km in the accessory, wherein a long-term living population exists between 2 people and a duty room, a long-term living population exists between 1 people and a booster station exists;
step 3) dividing the total risk R into a direct risk assessment R direct and an indirect risk assessment R indirect;
Step 4) analyzing the point location risk R location-specific in the direct risk, and dividing the point location risk R location-specific into four steps:
step 4.1) the main failure modes of the fan are tower pouring, blade damage and cabin damage;
Step 4.2) the annual failure frequency f 1 corresponding to the inverted tower is 5.8x10 -5, and the death number n 1 is 1 person; the annual failure frequency f 2 corresponding to leaf damage is 6.4 x 10 -4, and the death number n 2 is 0.5; the corresponding annual failure frequency f 3 of cabin damage is 1.8 x 10 -5, and the number of death n 3 is 0.8;
step 4.3) multiplying the failure frequency f i in step 4.2) by the corresponding number of dead people n i to obtain a risk parameter R i for changing the failure mode;
R1＝f1*n1＝5.8*10-5
R2＝f2*n2＝3.2*10-4
R3＝f3*n3＝1.4*10-5
step 4.4) summing the failure mode risk parameters R i obtained in step 4.3) according to the formula to obtain a point risk R location-specific:
Step 5) the resident population in the risk influence range of the fan is less than 10 people, and the community risk R societal in the direct risk is not analyzed;
Step 6) judging the types of nearby high-risk articles according to the nearby risk information collected in the step 2), wherein the main high-risk articles are one booster station;
Step 7), selecting a corresponding risk transfer function according to the high-risk object type judged in the step 6), and calculating an indirect risk R indirect＝5.2*10-5;
Step 8) adding the point risk R location-specific and the community risk R societal calculated in the step 4) and the indirect risk R indirect calculated in the step 7) to obtain a total risk R of fan site selection:
R＝Rsocietal+Rindirect+Rlocation-specific＝3.92*10-4+0+5.2*10-5
＝4.42*10-4
Example 3
An assessment system for fan site selection risk, comprising:
the fan information acquisition module is used for acquiring fan information of the wind power plant, and comprises hub height, blade length, mass, volume and density of each component of the fan;
The point position coordinate acquisition module is used for acquiring the point position coordinates of the fan of the wind power plant;
The risk information acquisition module is interacted with the fan information acquisition module and the point position coordinate acquisition module respectively and comprises a direct risk information acquisition unit and an indirect risk information acquisition unit;
the direct risk information acquisition unit acquires point location information and community information in a fan risk influence range based on the fan information and the point location coordinates;
The indirect risk information acquisition unit acquires a risk transfer function of the high-risk object type in the risk influence range of the fan based on the point location coordinates;
the data processing evaluation module is interacted with the risk information acquisition module and is used for carrying out data processing on the risk information and evaluating the total risk coefficient in the risk influence range of the fan according to the data processing result.
Example 4
The method of the present invention may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a stand alone product. Based on such understanding, the present invention may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. Computer-readable storage media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. It should be noted that the computer readable medium contains content that can be appropriately scaled according to the requirements of jurisdictions in which such content is subject to legislation and patent practice, such as in certain jurisdictions in which such content is subject to legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunication signals. The computer storage media may be any available media or data storage device that can be accessed by a computer, including, but not limited to, magnetic storage (e.g., floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (e.g., CD, DVD, BD, HVD, etc.), and semiconductor storage (e.g., ROM, EPROM, EEPROM, non-volatile memory (NANDFLASH), solid State Disk (SSD)), etc.
Example 5
In an exemplary embodiment, a computer device is also provided, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, which processor implements the steps of the inventive method when executing the computer program. The Processor may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (DIGITAL SIGNAL Processor, DSP), application SPECIFIC INTEGRATED Circuit (ASIC), off-the-shelf Programmable gate array (Field-Programmable GATEARRAY, FPGA) or other Programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like.
In conclusion, the method has extremely high operability, is suitable for fans in different topographic characteristics, can systematically evaluate the influence of the fan site selection points on the life safety of accessories, is beneficial to helping wind farm developers to select safe wind farm sites, reduces the possibility of wind farm safety accidents, and provides a basis for reducing the risk of fan site selection.
The above is only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (6)
1. The fan site selection risk assessment method is characterized by comprising the following steps of: acquiring fan information and point location coordinates of a fan of a wind farm to be evaluated;
acquiring risk information of the fan based on the point location coordinates, wherein the risk information comprises direct risk information and indirect risk information; direct risk information includes terrain, population density, and building density; the indirect risk information comprises high-risk article information; acquiring risk information of the fan based on point location coordinates, wherein the specific operation is as follows:
dividing a risk area and acquiring risk information of the risk area;
the risk area is a circular area taking a fan point position as a circle center, and the radius of a circle is more than or equal to 1km;
when the resident population in the fan risk influence range is smaller than 10 people, the direct risk information is point location risk; the point risk obtaining process comprises the following steps:
Determining a fan failure mode based on the fan information;
searching corresponding failure frequency and corresponding death number according to the failure mode;
acquiring risk parameters of the failure mode based on the failure frequency and the number of dead people;
Adding the risk parameters of each failure mode to obtain point location risk;
When the resident population in the fan risk influence range is more than 10 people, the direct risk information comprises point location risks and community risks; the community risk acquisition process comprises the following steps:
Determining a fan failure mode based on the fan information;
Acquiring building positions and safety grades of buildings in an influence range near the fan based on the point position coordinates;
acquiring population density distribution in an influence range near the fan based on the point location coordinates;
Based on different fan failure modes, calculating corresponding indoor risks and outdoor risks under each failure mode;
Obtaining community risks based on the addition of indoor risks and outdoor risks;
the indirect risk is a risk transfer function obtained based on the types of high-risk objects in the influence range of the fan risk;
based on the direct risk information and the indirect risk information, the total risk coefficient in the risk influence range of the fan is estimated.
2. The method of claim 1, wherein the fan information includes hub height, blade length, and mass, volume, and density of each component of the fan.
3. The method of claim 1, wherein the high risk item types include petroleum pipelines, above-ground natural gas pipelines, substations, and chemical containers.
4. An assessment system for fan site selection risk, comprising:
the fan information acquisition module is used for acquiring fan information of the wind power plant, and comprises hub height, blade length, mass, volume and density of each component of the fan;
The point position coordinate acquisition module is used for acquiring the point position coordinates of the fan of the wind power plant;
The risk information acquisition module is interacted with the fan information acquisition module and the point position coordinate acquisition module respectively and comprises a direct risk information acquisition unit and an indirect risk information acquisition unit; acquiring risk information of the fan based on point location coordinates, wherein the specific operation is as follows:
dividing a risk area and acquiring risk information of the risk area;
the risk area is a circular area with a fan point position as a circle center, the radius of the circle is more than or equal to 1km,
The direct risk information acquisition unit acquires point location risks and community risks in the influence range of the fan risks based on the fan information and the point location coordinates; the point risk obtaining process comprises the following steps:
Determining a fan failure mode based on the fan information;
searching corresponding failure frequency and corresponding death number according to the failure mode;
acquiring risk parameters of the failure mode based on the failure frequency and the number of dead people;
Adding the risk parameters of each failure mode to obtain point location risk;
the community risk acquisition process comprises the following steps:
Determining a fan failure mode based on the fan information;
Acquiring building positions and safety grades of buildings in an influence range near the fan based on the point position coordinates;
acquiring population density distribution in an influence range near the fan based on the point location coordinates;
Based on different fan failure modes, calculating corresponding indoor risks and outdoor risks under each failure mode;
Obtaining community risks based on the addition of indoor risks and outdoor risks;
The indirect risk information acquisition unit acquires a risk transfer function of the high-risk object type in the risk influence range of the fan based on the point location coordinates;
the data processing evaluation module is interacted with the risk information acquisition module and is used for carrying out data processing on the risk information and evaluating the total risk coefficient in the risk influence range of the fan according to the data processing result.
5. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor, when executing the computer program, implements the steps of the fan addressing risk assessment method according to any one of claims 1 to 3.
6. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the fan site risk assessment method according to any one of claims 1 to 3.
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