CN116050059A - Cloud edge collaborative design and simulation system for GW-level photovoltaic power station - Google Patents
Cloud edge collaborative design and simulation system for GW-level photovoltaic power station Download PDFInfo
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- CN116050059A CN116050059A CN202211434283.1A CN202211434283A CN116050059A CN 116050059 A CN116050059 A CN 116050059A CN 202211434283 A CN202211434283 A CN 202211434283A CN 116050059 A CN116050059 A CN 116050059A
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Abstract
The invention belongs to the field of electronic data processing, in particular relates to a cloud edge collaborative design and simulation system for a GW-level photovoltaic power station, and aims to solve the problem that the prior art cannot meet the data volume and real-time requirements of the GW-level photovoltaic power station design and realize the multi-person cloud edge collaborative design of the photovoltaic power station. The invention comprises the following steps: the user management module is used for managing the user information; the design preparation module is used for distributing a work package and operation rights based on the user information; the power station design module is used for carrying out design according to the operation authority corresponding to the user through the multi-user cooperative unit based on the work package, and obtaining a GW-level photovoltaic power station design scheme; and the power station simulation module is used for performing simulation calculation on the GW-level photovoltaic power station design scheme. According to the invention, the online design and simulation of the GW-level photovoltaic power station by the multi-user cloud can be supported, and the problems of low overall working efficiency, data delay and unreliable system of the GW-level photovoltaic power station design are solved.
Description
Technical Field
The invention belongs to the field of electronic data processing, and particularly relates to a cloud edge collaborative design and simulation system for a GW-level photovoltaic power station.
Background
The novel photovoltaic system is rapid in development, the construction scale of the photovoltaic power station is also continuously increased, but at present, the design software (such as PVSYST, ARCHELIOS, HELIOS 3D and the like) of the photovoltaic power station is mainstream at home and abroad, the design system scale is generally lower than 100MW, and the design and simulation of the GW-class photovoltaic power station cannot be carried out at all. Meanwhile, the GW-level photovoltaic system generally occupies more than tens of square kilometers, and according to actual engineering experience and simulation test results, it is found that if a single-person mode is adopted to conduct whole-station design, more than 2 weeks can be estimated, and the problem of low overall working efficiency can occur.
Therefore, how to realize rapid, efficient and accurate design and simulation of GW-level photovoltaic power stations is necessary to bring great convenience to the field of photovoltaic system design. At present, no software supporting the design and simulation of the GW-level photovoltaic power station exists in the market, and no software for cooperatively designing the photovoltaic power station by a plurality of cloud edges exists, so that a multi-person cloud edge cooperative design and simulation system for the GW-level photovoltaic power station is provided, the design and simulation functions of the GW-level photovoltaic power station can be realized, the design period of the GW-level photovoltaic power station can be shortened, and the overall working efficiency is improved.
Disclosure of Invention
In order to solve the above problems in the prior art, namely that the prior art cannot meet the data volume and real-time requirements of GW-level photovoltaic power station design and realize the problem of multi-user cloud-edge collaborative design of the photovoltaic power station, the invention provides a cloud-edge collaborative design and simulation system for the GW-level photovoltaic power station, which comprises the following steps:
the user management module is used for managing the user information;
the design preparation module is used for distributing a work package and operation rights based on the user information;
the power station design module is used for designing a component library, an electric principle, a layout route and a whole station scheme of the power station according to the operation authority corresponding to the user through the multi-user cooperative unit based on the work package to obtain a GW-level photovoltaic power station design scheme;
the power station simulation module is used for carrying out multi-physical field coupling simulation on the GW-level photovoltaic power station design scheme, carrying out electric power and electricity balance, tide and load analysis of a preset life cycle, carrying out operation parameter calculation under all preset typical scenes, and adjusting the GW-level photovoltaic power station design scheme according to simulation results and operation parameters to obtain a final design scheme.
In some preferred embodiments, the administrative user information includes new user registration, old user login, modified user information, user permissions, and logged off users; the user rights include the position of the user for a particular project as a group leader or member, and the scope of the user's operability.
In some preferred embodiments, the plant design module includes a component library sub-module, an electrical schematic sub-module, a layout routing sub-module, and a whole plant solution design sub-module.
In some preferred embodiments, the component library sub-module is configured to perform component information additions, queries, deletions, and modifications; the component information includes: component data, string data, combiner box data, inverter data, transformer data, cable data, and switch data.
In some preferred embodiments, the electrical principle sub-module is configured to allocate a work package to each panelist according to the electrical capacity, where the panelist completes the electrical principle design task of the personal work package through the multi-person collaboration unit, and when all the electrical principle design tasks of the personal work package are completed and summarized, a preliminary whole station electrical principle design scheme is obtained; the personal work package electrical principle design tasks include: and selecting proper components, strings, bus boxes, inverters, transformers, cables and switches, designing centralized/string/distributed principle wiring, and connecting information under the main transformers and buses in the station.
In some preferred embodiments, the layout routing submodule is configured to allocate a layout routing work package for each team member according to the size of the geographic space and the information of the work package on the electric principle, and the team member completes the layout routing design task of the personal work package through the multi-person collaboration unit, and after all the layout routing design tasks of the personal work package are completed and summarized, a preliminary whole station layout routing design scheme is obtained; the personal work package layout route design task comprises the following steps: and designing coordinate position information of a bracket, a combiner box, a converter and a transformer, and cable connection information, coordinate position information of a station main transformer and work package external circuit connection information.
In some preferred embodiments, the whole station scheme design submodule performs whole station electrical schematic diagram design based on a preliminary whole station electrical schematic design scheme, determines required component types and number according to the whole station electrical schematic diagram, and performs whole station layout route wiring diagram design based on the preliminary whole station layout route design scheme.
In some preferred embodiments, the plant simulation module includes a multi-physical field coupling sub-module, an operation simulation sub-module, and a typical scene simulation sub-module;
the multi-physical field coupling sub-module is specifically configured to apply an irradiation field, a temperature field, a humidity field, a wind speed and wind direction field and a topography field which occupy a preset area around a ground for the GW-level photovoltaic power station design scheme, calculate a coupling value of each 1m grid, and display the coupling value through a preset ladder color;
the operation simulation sub-module is specifically used for calculating the annual energy production of a system, the output power/voltage/current of a component and the load value on a photovoltaic array of the GW photovoltaic power station in a preset life cycle;
the typical scene simulation sub-module is used for respectively calculating the system generated energy/generated power of the GW photovoltaic power station, the device information exceeding the limit voltage fluctuation value/flicker value, the current amplitude/phase angle of the fault position, the load value and the attenuation rate on the photovoltaic array in various preset typical scenes for 24 hours.
In some preferred embodiments, the multi-user collaboration unit includes a client, a communication server, a database server, and an application server.
In some preferred embodiments, the design client is used for designing and two-dimensional displaying a GW-level photovoltaic power station, where the GW-level photovoltaic power station design includes environmental resource data analysis, component library design, electrical principle design, layout routing design and whole station solution design, and after the design is partially completed, a user can check the two-dimensional displaying effect of the power station at an interface of the design client;
the simulation client is used for GW-level photovoltaic power station simulation and virtual reality display, the GW-level photovoltaic power station simulation comprises multi-physical field coupling simulation, operation simulation and typical scene simulation, and after simulation calculation is completed, a user can observe the simulation operation condition of the GW-level photovoltaic power station design scheme in a virtual reality scene through the VR helmet display.
In some preferred embodiments, the communication server is configured to support receiving data access and analog computation requests sent by multiple clients, and is further configured to access a database server or an application server to obtain data and return result data, and perform high concurrency management by adopting a cache, a message queue, a database read-write separation and a thread pool mode, process a data request sequence, so as to prevent a decrease in operation efficiency or a system running burst caused by simultaneous access of multiple clients to the communication server.
In some preferred embodiments, the database server is used for storing and managing data resources required to be used in the whole design and simulation analysis process, including topographic data, meteorological data, component data and physical field data.
In some preferred embodiments, the application server is configured to calculate an algorithm result according to the algorithm input parameter forwarded by the communication server, and transmit the result data back to the client through the communication server.
The invention has the beneficial effects that:
(1) According to the invention, the online design and simulation of the GW-class photovoltaic power station by the multi-user cloud can be supported, the gap of the design and simulation system of the GW-class photovoltaic power station at home and abroad is filled, and the problems of low overall working efficiency, data delay and unreliable system of the GW-class photovoltaic power station design are solved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
fig. 1 is a schematic flow chart of a GW-level photovoltaic power station cloud-edge collaborative design in an embodiment of the present invention;
FIG. 2 is a diagram of an architecture between a client/communication server/database server/application server of a system in an embodiment of the present invention;
FIG. 3 is an overall architecture diagram of a system in an embodiment of the invention;
FIG. 4 is a schematic diagram of an interface for each team member to complete a personal work package through a multi-person collaboration unit in accordance with an embodiment of the present invention;
FIG. 5 is an interface schematic diagram of 12 exemplary sky simulation analyses in an exemplary scene simulation in accordance with an embodiment of the invention;
FIG. 6 is a flow chart of load simulation in operating parameter simulation in an embodiment of the present invention.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
At present, in the prior art at home and abroad, software suitable for designing and simulating GW photovoltaic power stations is not proposed; the software capable of supporting cloud edge collaborative design and simulation of the GW photovoltaic power station is needed to fill the blank of design and simulation of the GW photovoltaic power station, and shorten the design period of the GW photovoltaic power station.
The invention provides a cloud edge collaborative design and simulation system for a GW-level photovoltaic power station, which comprises the following components:
the user management module is used for managing the user information;
the design preparation module is used for distributing a work package and operation rights based on the user information;
the power station design module is used for obtaining a GW-level photovoltaic power station design scheme through the design of a component library, an electrical principle, a layout route, a whole station scheme and a multi-physical coupling field of the power station according to the operation authority corresponding to a user through the multi-person cooperative unit based on the work package;
the power station simulation module is used for carrying out multi-physical field coupling simulation on the GW-level photovoltaic power station design scheme, carrying out electric power and electricity balance, tide and load analysis of a preset life cycle, carrying out operation parameter calculation under all preset typical scenes, and adjusting the GW-level photovoltaic power station design scheme according to simulation results and operation parameters to obtain a final design scheme.
In order to more clearly describe the cloud edge collaborative design and simulation system for the GW-class photovoltaic power station, each functional module in the embodiment of the invention is described in detail below with reference to FIG. 1.
The cloud edge collaborative design and simulation system for the GW-level photovoltaic power station comprises a user management module, a design preparation module, a power station design module and an operation simulation module, wherein the detailed description of each functional module is as follows:
the user management module is used for managing the user information;
in this embodiment, the management user information includes new user registration, old user login, modified user information, user authority, and logged-out user; the user rights include the position of the user for a particular project as a group leader or member, and the scope of the user's operability.
And the design preparation module is used for distributing the work package and the operation authority based on the user information. The responsible group leader is given operation authority to create items and view and modify all items and work packages under the name, and the responsible group leader is given operation authority to view and modify all items and work packages under the name, receive or reject the assigned work packages.
The power station design module is used for designing a component library, an electric principle, a layout route and a whole station scheme of the power station according to the operation authority corresponding to the user through the multi-user cooperative unit based on the work package to obtain a GW-level photovoltaic power station design scheme;
in this embodiment, the power station design module includes a component library sub-module, an electrical principle sub-module, a layout routing sub-module, and a whole station solution design sub-module.
The component library sub-module is used for executing the addition, inquiry, deletion and modification of the component information; the component information includes: component data, string data, combiner box data, inverter data, transformer data, cable data, and switch data; the component information will support the design effort of the electrical schematic design module.
The electric principle submodule is used for distributing the group leader or distributing a work packet for each group member according to the electric capacity, the group member completes the electric principle design task of the personal work packet through the multi-person cooperative unit, and when all the electric principle design tasks of the personal work packet are completed and summarized, a preliminary whole-station electric principle design scheme is obtained; the personal work package electrical principle design tasks include: and selecting proper components, strings, bus boxes, inverters, transformers, cables and switches, designing centralized/string/distributed principle wiring, and connecting information under the main transformers and buses in the station. An operation interface for the panelist to complete the electrical principle design task of the personal work package through the multi-person cooperative unit is shown in fig. 4.
The process of the group member for carrying out the electrical principle design task comprises the following steps: array unit design: clicking the type of the equipment, the equipment model, adding equipment, adding selected equipment, clicking the deleting equipment after selecting the interface graph, deleting the selected equipment, clicking the storage design after drawing, storing the array unit design as an xml file, clicking the loading design, and loading the drawn array unit;
and (3) designing a work package: the array design can be clicked to read to load the drawn array units, the type of clicking equipment, the type of equipment and the adding equipment can be added with the selected equipment, the selected equipment can be clicked to be deleted after the interface graph is selected, the work package design is clicked to save the file named as 'TB_team member ID_engineering ID_work package ID.xml' after the drawing is finished, and the work package can be loaded by clicking the loading design;
the devices can be connected through yellow connection points, and the array units and the work packages are designed to be connected with other array units or work packages by adding ExternPoint serving as an external connection point.
The layout routing sub-module is used for distributing a layout routing work package for each group member according to the size of a geographic space and the information of the work package of an electric principle, the group member completes the layout routing design task of the personal work package through a multi-person cooperative unit, and a preliminary whole station layout routing design scheme is obtained after all the personal work package layout routing design tasks are completed and summarized; the personal work package layout route design task comprises the following steps: and designing coordinate position information of a bracket, a combiner box, a converter and a transformer, and cable connection information, coordinate position information of a station main transformer and work package external circuit connection information.
Before distributing the work packages, the layout routing sub-module determines the number of the layout routing work packages according to the electric principle work packages, determines the design area of the layout routing work packages according to the geographic space size, and after the panelists all finish the confirmation of the layout routing work packages, all the panelists determine the types and the number of the components according to the preliminary whole station layout routing design scheme, and performs layout routing design according to the sizes and the numbers of the types of the components. And the group leader can check, audit and feedback comments on the distribution condition, acceptance, design progress and submission condition of the work package, which are the same as the design of the electrical principle.
And the whole station scheme design submodule is used for carrying out whole station electric schematic diagram design based on the preliminary whole station electric schematic diagram design scheme by a group leader, determining the required part types and the number according to the whole station electric schematic diagram, and carrying out whole station layout route wiring diagram design based on the preliminary whole station layout route design scheme. After the project is opened by the team leader, the project design interface engineering design is sequentially clicked, edited and popped up, all work packages are read and opened, and the work packages submitted by the team leader can be edited and designed by the whole station electric principle at the engineering design interface. And after the group leader design finishes the whole station electrical schematic diagram, clicking to save the design, saving the whole station electrical schematic diagram as a file named as 'PJ_group leader ID_engineering ID.xml', and returning to the software interface clicking to submit the whole station electrical schematic diagram. And design and submit the layout routing graph through the same steps.
The power station simulation module is used for carrying out multi-physical field coupling simulation on the GW-level photovoltaic power station design scheme, carrying out electric power and electricity balance, tide and load analysis of a preset life cycle, carrying out operation parameter calculation under all preset typical scenes, and adjusting the GW-level photovoltaic power station design scheme according to simulation results and operation parameters to obtain a final design scheme. The operating parameters include sky, weather, electrical, faults, and loads. An interface display of 12 sky simulation analyses in the operation parameter calculation under a typical scene in the embodiment is shown in fig. 5; the interface presentation of the load analysis for a preset full life cycle is shown in fig. 6.
In this embodiment, the operation simulation module includes a multi-physical field coupling sub-module, an operation simulation sub-module, and a typical scene simulation sub-module;
the multi-physical field coupling sub-module is specifically configured to apply an irradiation field, a temperature field, a humidity field, a wind speed and wind direction field and a topography field of a GW photovoltaic power station occupying a preset area around a ground to the design scheme to be verified, calculate a coupling value of each 1m grid, and display the coupling value through a preset ladder color; the coupling value is a coupling value obtained by a grid Boltzmann method based on GPU parallel computing; according to the actual measurement data and the refined meteorological data set, the day and night change conditions of the power station position irradiation field, the temperature field, the humidity field and the wind speed and wind direction field can be checked, and the dynamic change condition of the coupling physical field can be obtained according to the lattice Boltzmann method. In this embodiment, two views are set, one is a close-range view and the other is a emperor view, so that the distribution of the overhead irradiation field can be dynamically changed. And clicking for pausing can stop changing and view specific data.
The operation simulation sub-module is specifically used for calculating the annual energy generation capacity of a system, the output power/voltage/current of a component and the load value on a photovoltaic array of the GW-level photovoltaic power station in a preset life cycle; the operation simulation can be used for carrying out electric power and electricity balance, tide analysis and load analysis in a preset life cycle.
The electric power and electric quantity balance is realized by selecting the starting time and the ending time to set the simulation time range, and the simulation result can be checked through a bar graph, wherein the simulation result comprises the total power generation amount of the system, the total power generation amount of the unit rated power, PR, the daily average power generation amount of the unit rated power, the daily average array loss of the unit rated power and the daily average system loss of the unit rated power.
According to the power flow analysis, the simulation time range can be set by selecting the starting time and the ending time, the power flow analysis results of all the combiner boxes, the inverters and the transformers in the photovoltaic power station can be checked by clicking corresponding equipment in an interface, and the maximum power, the maximum power corresponding time, the maximum voltage corresponding time, the maximum current and the maximum current corresponding time output by the equipment in the selected time period can be checked.
The load analysis is specifically that a user inputs the initial time of analog simulation, and wind load on a photovoltaic array of at most 25 years is calculated in a simulation mode according to information such as a support of a GW-level photovoltaic power station occupying 30 square kilometers, wind speed and wind direction, photovoltaic power generation system application, site topography and surrounding building conditions, air density, ground roughness class, ground height and the like.
The typical scene simulation sub-module is used for respectively calculating the system generated energy/generated power of the GW photovoltaic power station, the device information exceeding the limit voltage fluctuation value/flicker value, the current amplitude/phase angle of the fault position, the load value and the attenuation rate on the photovoltaic array in various preset typical scenes for 24 hours. The simulation calculation of sky, weather, electricity, load and accelerated aging of the GW-class photovoltaic power station on a typical day can be performed in the typical scene.
The weather of the GW-level photovoltaic power station on the typical day comprises sunny days, cloudy days, overcast and rainy days and snow, and after calculation is completed, a user can check the 24-hour power generation capacity, the power generation power, the temperature average value and the irradiation average value of the power station under the weather condition through a line diagram.
The sky of the typical day GW-level photovoltaic power station includes: the brightness of the all-negative sky changes sharply towards the zenith, but all directions are the same; the brightness of the all-negative sky changes sharply, and the side facing the sun is slightly bright; the brightness of the all-negative sky gradually changes, but all directions are the same; the brightness of the all-negative sky gradually changes, and the side facing the sun is slightly bright; uniform sky; part of the sky with cloud exists, and the sky is gradually changed towards the zenith; the part of the sun has cloudy sky, and the periphery of the sun is brighter; part of the sky with clouds is gradually changed towards the zenith, but the sky has obvious light rings; the cloud sky exists partially, and the sun is not visible; part of the sun has cloudy sky, and the periphery of the sun is bright; the sky is white, and obvious light rings are arranged; all the sky is sunny, the atmosphere is clarified, and after calculation is completed, a user can check the 24-hour generating capacity, the generating power, the temperature average value and the irradiation average value of the power station in the sky mode through a line diagram.
The electric analysis of the GW photovoltaic power station on the typical day comprises shielding and fault analysis, wherein the shielding analysis mainly comprises calculating device information exceeding a limit voltage fluctuation value/flicker value after shielding part of the photovoltaic bracket; the fault analysis mainly calculates the fault position A/B/C phase current amplitude/phase angle values of four fault types, namely, unidirectional grounding short circuit, two-phase grounding short circuit and three-phase grounding short circuit under the fault types of nodes or lines.
The load analysis of the GW-class photovoltaic power station on the typical day is specifically that a user inputs the initial time (0-24 h) of analog simulation and the corresponding wind speed and wind direction value of each hour, and wind load on a photovoltaic array is calculated in a simulation mode according to information such as a support of the GW-class photovoltaic power station, the purpose of a photovoltaic power generation system, the site topography and surrounding building conditions, air density, ground roughness class, ground altitude and the like.
In order to overcome the defect that the existing photovoltaic system design cannot be applied to a GW-level photovoltaic power station, the design efficiency of the photovoltaic power station is improved, a multi-user cloud edge collaborative design and simulation system is filled, the GW-level photovoltaic power station design and simulation process is accurately and rapidly guided, and a multi-user collaborative unit is provided, and the unit has expandability.
The flow of a project design is shown in figure 1, a project is created by a group leader, a design team member is added, a selected work package is added or deleted and distributed to the participated team members aiming at the selected project, and after the work package is distributed, the group leader can click a 'temporary submitting' button to complete the temporary submitting of the electric principle work package; the content of the work package can be checked at the operation interface of the panelist, and the panelist can choose to accept the work package or reject the work package; after waiting for all panelists to accept the work package design, formally submitting work package allocation profile information, waiting for all panelists to submit completed work packages and auditing all completed work packages; the work package design progress of all panelists can be checked during the design; after all the work packages are completed, the group leader can return audit comments and accept the work package design, draw the whole project station electrical principle or layout route diagram and complete the design.
In this embodiment, as shown in fig. 2, the multi-person collaboration unit includes a client, a communication server, a database server, and an application server.
The client comprises a design client and a simulation client; the client is a man-machine interaction window of the whole system, and the design content of the client mainly comprises a design (two-dimensional display) part for Qt development and a simulation (VR display) part for Unity development; the GW-level power station is completed through the multi-person collaborative design, and the simulation running condition and various parameter data of the whole photovoltaic power station design scheme can be observed in a virtual reality scene by combining with a VR helmet display.
The design client is used for GW-level photovoltaic power station design and two-dimensional display, wherein the GW-level photovoltaic power station design comprises environmental resource data analysis, component library design, electrical principle design, layout route design and whole station scheme design, and after the design is partially completed, a user can check the two-dimensional display effect of the power station at an interface of the design client;
the simulation client is used for GW-level photovoltaic power station simulation and virtual reality display, the GW-level photovoltaic power station simulation comprises multi-physical field coupling simulation, operation simulation and typical scene simulation, and after simulation calculation is completed, a user can observe the simulation operation condition of the GW-level photovoltaic power station design scheme in a virtual reality scene through a VR helmet display.
In this embodiment, the communication server is configured to support receiving data access and analog computation requests sent by multiple clients, and further is configured to access a database server or an application server to obtain data and return result data, perform high concurrency management by adopting a manner of caching, message queue, database read-write separation and thread pool, process a data request sequence, and prevent a decrease in operation efficiency or a system running burst caused by simultaneous access of multiple clients to the communication server. The communication server is a key hub for interaction between the client and the database and background algorithm.
In this embodiment, the database server is configured to store and manage data resources required to be used in the whole design and simulation analysis process, including topographic data, meteorological data, component data, and physical field data. The embodiment also provides a temporary database for storing temporary data.
In this embodiment, the application server is configured to calculate an algorithm result according to an algorithm input parameter forwarded by the communication server, and send result data back to the client through the communication server for graphical display. In order to realize multi-physical field coupling and operation simulation calculation of a preset life cycle of a GW-level photovoltaic power station, the application server side is provided with 96 CPUs and 384 GPUs, each CPU starts a thread to perform 4 GPU process calculations, and the total parallel scale is 96×4=384 to be responsible for multi-GPU heterogeneous cluster cross-node parallel calculation.
The embodiment divides the service end into a communication service end, a database service end and an application service end, firstly, the GW-level photovoltaic power station occupies 30 square kilometers, 7 physical fields and 25 years of operation period are considered, the operation speed of the simulation calculation requires over trillion times per second of floating point operation, however, the operation speed of a personal computer or a server based on a CPU does not exceed billions times per second, so that the traditional multi-CPU parallel calculation can not meet the simulation calculation of the GW-level photovoltaic power station far, the system specially introduces the application service end provided with 96 CPUs and 384 GPUs to support the multi-physical field coupling and the operation simulation calculation of the preset life cycle, forwards the simulation requirement of a user to the application service end through the communication service end, and simultaneously keeps the mode that the client only performs information interaction with the communication service end; secondly, the GPU is suitable for processing a logically relatively simple task, the capability of processing a single thread is not as good as that of a CPU, and the CPU is not helpful for work which cannot be highly parallelized, so that the traditional multi-GPU parallel computation is not suitable for all computation modules of the GW-level photovoltaic power station, and the system directly operates the simulation computation modules which do not need to be highly parallelized, such as MPPT AC-DC matching, 24-hour typical scene simulation computation and the like, because the simulation computation speed is greatly improved because the simulation computation modules do not need to be transmitted to a server for computation; then, the current CPU+GPU parallel computing in the market is that a programmer writes a code, the code is copied into a plurality of codes, and then each code independently executes an operation, so that parallelism is realized, but the parallel computing only considers the work needing high parallelization, so that the reliability, stability and accuracy of cloud edge collaborative design and simulation of the GW-level photovoltaic power station are ensured by providing a Client (CPU) +communication server (CPU) +database server (CPU) +application server (CPU+multiple GPU), a multi-CPU+multiple GPU heterogeneous cluster cross-node parallel computing architecture with a plurality of multi-CPU+multiple GPU clusters, and splitting the system into the client, the communication server, the database server and the application server.
The overall architecture design of this embodiment is divided into six basic levels, as shown in fig. 3, including a basic layer, an application data layer, a platform layer, an application layer, a display layer and a terminal access layer;
the foundation layer comprises a network system, a communication server, a database server, an application server, a machine room, storage equipment, virtual reality equipment and safety equipment, and provides a good foundation for the overall construction of the whole application system through the construction of the overall foundation equipment;
the application data layer stores data resources, the data content comprises national terrain elevation data, meteorological data of a meteorological center, flow field data, product data of manufacturers, data of a high-performance simulation and virtual reality design platform and the like, and the SQLServer database is accessed remotely based on the existing ADO technology to manage all the data.
The platform layer is characterized in that the client adopts development tools such as Qt Creator 4.11.0 and Unity 2019.4.9, the Server adopts development tools such as Visual Studio 2015, matlab 2015 and SQL Server 2016, and the algorithm adopts development tools such as Visual Studio 2015 and Python, matlab. Meanwhile, the platform operation framework comprises an operation foundation, interface display, application integration, module integration and the like;
the application layer is used for carrying out two-dimensional display or virtual reality immersive display of the design scheme according to the needs of a user;
the terminal access layer supports the use of different user roles, the operation authority of each user can be preset, and single sign-on, unified identity verification and authority management are adopted to ensure the safe use of the user.
It will be clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the system described above and the related description may refer to the corresponding process in the foregoing method embodiment, which is not repeated here.
It should be noted that, in the cloud edge collaborative design and simulation system for a GW-level photovoltaic power station provided in the foregoing embodiment, only the division of the foregoing functional modules is illustrated, in practical application, the foregoing functional allocation may be completed by different functional modules according to needs, that is, the modules or steps in the foregoing embodiment of the present invention are further decomposed or combined, for example, the modules in the foregoing embodiment may be combined into one module, or may be further split into a plurality of sub-modules, so as to complete all or part of the functions described above. The names of the modules and steps related to the embodiments of the present invention are merely for distinguishing the respective modules or steps, and are not to be construed as unduly limiting the present invention.
Those of skill in the art will appreciate that the various illustrative modules, method steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the program(s) corresponding to the software modules, method steps, may be embodied in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art. To clearly illustrate this interchangeability of electronic hardware and software, various illustrative components and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as electronic hardware or software depends upon the particular application and design constraints imposed on the solution. Those skilled in the art may implement the described functionality using different approaches for each particular application, but such implementation is not intended to be limiting.
The terms "first," "second," and the like, are used for distinguishing between similar objects and not for describing a particular sequential or chronological order.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus/apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus/apparatus.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
Claims (13)
1. Cloud edge collaborative design and simulation system for GW-level photovoltaic power station, which is characterized by comprising:
the user management module is used for managing the user information;
the design preparation module is used for distributing a work package and operation rights based on the user information;
the power station design module is used for designing a component library, an electric principle, a layout route and a whole station scheme of the power station according to the operation authority corresponding to the user through the multi-user cooperative unit based on the work package to obtain a GW-level photovoltaic power station design scheme;
the power station simulation module is used for carrying out multi-physical field coupling simulation on the GW-level photovoltaic power station design scheme, carrying out electric power and electricity balance, tide and load analysis of a preset life cycle, carrying out operation parameter calculation under all preset typical scenes, and adjusting the GW-level photovoltaic power station design scheme according to simulation results and operation parameters to obtain a final design scheme.
2. The cloud-edge collaborative design and simulation system for a GW-level photovoltaic power plant of claim 1 wherein the management user information comprises new user registration, old user login, modified user information, user permissions, and logged off users; the user rights include the position of the user for a particular project as a group leader or member, and the scope of the user's operability.
3. The cloud edge collaborative design and simulation system for a GW-level photovoltaic power plant of claim 1, wherein the power plant design module comprises a component library sub-module, an electrical principle sub-module, a layout routing sub-module, and a whole plant solution design sub-module.
4. The cloud edge collaborative design and simulation system for a GW-level photovoltaic power plant according to claim 3, wherein the component library sub-module is configured to perform component information addition, query, deletion, and modification; the component information includes: component data, string data, combiner box data, inverter data, transformer data, cable data, and switch data.
5. The cloud edge collaborative design and simulation system for the GW-class photovoltaic power station according to claim 4, wherein the electrical principle submodule is used for distributing electrical principle work packages for each panelist according to the distribution of the panelist or the electrical capacity, the panelist completes the electrical principle design task of the personal work packages through a multi-person collaborative unit, and a preliminary whole station electrical principle design scheme is obtained after all the electrical principle design tasks of the personal work packages are completed and summarized; the personal work package electrical principle design tasks include: and selecting proper components, strings, bus boxes, inverters, transformers, cables and switches, designing centralized/string/distributed principle wiring, and connecting information under the main transformers and buses in the station.
6. The cloud edge collaborative design and simulation system for the GW-class photovoltaic power station according to claim 5, wherein the layout routing sub-module is used for distributing layout routing work packages for each group member according to the size of a geographic space and an electric principle work package, the group member completes the personal work package layout routing design task through a multi-person collaborative unit, and a preliminary whole station layout routing design scheme is obtained after all the personal work package layout routing design tasks are completed and summarized; the personal work package layout route design task comprises the following steps: and designing coordinate position information of a bracket, a combiner box, a converter and a transformer, and cable connection information, coordinate position information of a station main transformer and work package external circuit connection information.
7. The cloud edge collaborative design and simulation system for a GW-level photovoltaic power plant of claim 6 wherein said whole plant solution design sub-module, a group leader performs whole plant electrical schematic design based on a preliminary whole plant electrical schematic design, determines required component models and numbers based on said whole plant electrical schematic design, and performs whole plant layout routing wiring diagram design based on a preliminary whole plant layout routing design.
8. The cloud edge collaborative design and simulation system for a GW-level photovoltaic power plant of claim 1, wherein the power plant simulation module comprises a multi-physical field coupling sub-module, an operational simulation sub-module, and a typical scene simulation sub-module;
the multi-physical field coupling sub-module is specifically configured to apply an irradiation field, a temperature field, a humidity field, a wind speed and wind direction field and a topography field which occupy a preset area around a ground for the GW-level photovoltaic power station design scheme, calculate a coupling value of each 1m grid, and display the coupling value through a preset ladder color;
the operation simulation sub-module is specifically used for calculating the annual energy generation capacity of a system, the output power/voltage/current of a component and the load value on a photovoltaic array of the GW-level photovoltaic power station in a preset life cycle;
the typical scene simulation sub-module is used for respectively calculating the system generated energy/generated power of the GW photovoltaic power station, the device information exceeding the limit voltage fluctuation value/flicker value, the current amplitude/phase angle of the fault position, the load value and the attenuation rate on the photovoltaic array in various preset typical scenes for 24 hours.
9. The cloud edge collaborative design and simulation system for a GW-level photovoltaic power plant of claim 1 wherein the multi-person collaborative unit comprises a client, a communication server, a database server, and an application server.
10. The cloud edge collaborative design and simulation system for a GW-level photovoltaic power plant of claim 9, wherein the clients include a design client and a simulation client;
the design client is used for GW-level photovoltaic power station design and two-dimensional display, wherein the GW-level photovoltaic power station design comprises environmental resource data analysis, component library design, electrical principle design, layout routing design and whole station scheme design, and after the design is partially completed, a user can check the two-dimensional display effect of the power station at an interface of the design client;
the simulation client is used for GW-level photovoltaic power station simulation and virtual reality display, the GW-level photovoltaic power station simulation comprises multi-physical field coupling simulation, operation simulation and typical scene simulation, and after simulation calculation is completed, a user can observe the simulation operation condition of the GW-level photovoltaic power station design scheme in a virtual reality scene through a VR helmet display.
11. The cloud edge collaborative design and simulation system for the GW-level photovoltaic power station of claim 9 wherein the communication server is configured to support receiving data access and simulation calculation requests from a plurality of clients, and further configured to access a database server or an application server to obtain data and return result data, and perform high concurrency management by using a manner of buffering, message queuing, database read-write separation, and thread pool, and process a data request sequence, so as to prevent a decrease in operation efficiency or system running caused by simultaneous access of a plurality of clients to the communication server.
12. The cloud edge collaborative design and simulation system for a GW-level photovoltaic power plant according to claim 9, wherein the database server is configured to store and manage data resources required to be used in the whole design and simulation analysis process, including topographic data, meteorological data, component data, and physical field data.
13. The cloud edge collaborative design and simulation system for the GW-level photovoltaic power station of claim 9 wherein said application server is configured to calculate an algorithm result according to an algorithm input parameter forwarded by the communication server, and transmit the result data back to the client through the communication server.
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