Power grid fault plan generation method and device based on typhoon disaster, terminal equipment and storage medium

Abstract

The invention discloses a power grid fault plan generation method and device based on typhoon disasters, terminal equipment and a storage medium, and the method comprises the steps: predicting a plurality of initial fault simulation scenes according to a power grid topology model and a typhoon prediction path, determining fault equipment which will break down under the typhoon disasters, and generating a power grid fault plan; according to the power grid topology model and the first equipment information of the fault equipment in each initial fault simulation scene, determining a target safety automatic device for removing each fault equipment, and generating a fault simulation scene of a plurality of random target safety automatic device faults in each initial fault simulation scene; and finally, for each fault simulation scene, generating a target fault emergency plan meeting frequency stability, voltage stability and power flow stability targets. Therefore, the target fault emergency plan generated by the invention can deal with a sudden fault scene that a main protection switch or a circuit breaker or other safety automatic devices refer to operate, and effectively guarantees the stable operation of a power system in typhoon disasters.

Description

Technical Field

[0001] The present invention relates to the field of electric power technology, and in particular to a method, device, terminal equipment and storage medium for generating a power grid fault emergency plan based on typhoon disasters. Background Art

[0002] In natural disasters such as typhoons, short-circuit faults such as tower collapse and line breakage often occur, leading to large-scale power outages in the region and causing huge losses to the safe operation of the power system. Because of its low probability-high loss characteristics, its evolution process is often difficult to predict. Therefore, it is necessary for the widely existing relay protection and safety automatic devices in the power system to limit the fault to a local area to prevent the accident from spreading indefinitely. However, if the typhoon destroys the relay protection and safety automatic devices or causes the relay protection and safety automatic devices to fail, causing the main protection switch or circuit breaker to refuse to operate, it will cause a more serious risk of large-scale power outages.

[0003] Therefore, how to generate emergency plans for safety automatic device failure scenarios to deal with sudden failure scenarios such as main protection switches or circuit breakers refusing to operate and prevent power system collapse has become an urgent problem to be solved. Summary of the invention

[0004] The embodiment of the present invention provides a method, device, terminal device and storage medium for generating a power grid fault plan based on typhoon disasters, and generates a target fault emergency plan that meets the frequency stability, voltage stability and power flow stability goals for each fault simulation scenario. It can cope with sudden fault scenarios in which safety automatic devices such as main protection switches or circuit breakers refuse to operate, and effectively ensure the stable operation of the power system during typhoon disasters.

[0005] An embodiment of the present invention provides a method for generating a power grid fault plan based on a typhoon disaster, comprising:

[0006] Obtain the grid topology model of the power grid and the typhoon forecast path;

[0007] According to the power grid topology model and the typhoon prediction path, predict several initial fault simulation scenarios that may occur in the power grid during a typhoon; wherein the initial fault simulation scenarios record several faulty devices and first device information of several faulty devices;

[0008] Determine a target safety automatic device for removing each faulty device according to the power grid topology model and the first device information in each of the initial fault simulation scenarios;

[0009] According to the initial fault simulation scenario and the corresponding target safety automatic devices, generating a random fault simulation scenario of a plurality of target safety automatic device failures in each of the initial fault simulation scenarios;

[0010] According to each of the fault simulation scenarios, a corresponding target fault emergency plan is generated based on the goals of frequency stability, voltage stability, and power flow stability; wherein the target fault emergency plan includes: the output power adjustment amount of the generator set, the switching action time of the non-faulty safety automatic device, and the electric energy dispatching power.

[0011] Furthermore, the power grid topology model records the geographical locations of several power equipment;

[0012] According to the power grid topology model and the typhoon prediction path, several initial fault simulation scenarios that may occur in the power grid during a typhoon are predicted, including:

[0013] According to the typhoon forecast path, predict the impact range of several disasters caused by the typhoon;

[0014] Traversing the disaster impact range, and identifying several power equipment whose geographical locations are within the currently traversed disaster impact range as faulty equipment;

[0015] The first device information of a plurality of faulty devices within each of the disaster impact ranges is obtained, and a corresponding initial fault simulation scenario is generated according to the plurality of faulty devices and the first device information.

[0016] Furthermore, according to each of the fault simulation scenarios, a corresponding target fault emergency plan is generated based on the goals of frequency stability, voltage stability, and power flow stability, including:

[0017] Obtaining several historical actual fault scenarios and corresponding historical fault emergency plans; wherein the historical fault emergency plans are fault emergency plans used to deal with several historical actual fault scenarios;

[0018] Matching the historical actual fault scenario with the fault simulation scenario, and using the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, to generate a collection of initial fault emergency plans for each of the fault simulation scenarios;

[0019] Based on the goals of frequency stability, voltage stability, and power flow stability, the initial fault emergency plans in the initial fault emergency plan collection of each fault simulation scenario are integrated to generate a target fault emergency plan for each fault simulation scenario.

[0020] Furthermore, the historical actual fault scenario records several historical fault devices and the second device information of several historical fault devices; the initial fault simulation scenario also records the fault time of several fault devices;

[0021] The matching of the historical actual fault scenario with the fault simulation scenario, and using the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, and generating a collection of initial fault emergency plans for each of the fault simulation scenarios, includes:

[0022] Traversing a plurality of first device information in each of the fault simulation scenarios, and comparing the traversed first device information with a plurality of second device information;

[0023] When it is determined that the traversed first device information is the same as the plurality of the second device information, it is determined that the fault simulation scenario matches the plurality of the historical actual fault scenarios successfully, and the historical fault emergency plans corresponding to the plurality of the historical actual fault scenarios that have successfully matched are used as the initial fault emergency plans under the fault simulation scenario;

[0024] When the traversal of the plurality of first device information in the fault simulation scenario is completed, the initial fault emergency response plans matched by each of the first device information are sorted according to the plurality of fault times to generate a collection of initial fault emergency response plans.

[0025] Another embodiment of the present invention provides a device for generating a power grid fault plan based on a typhoon disaster, comprising:

[0026] A data acquisition module, used to obtain a power grid topology model and a typhoon prediction path of the power grid;

[0027] A scenario generation module, used to predict several initial fault simulation scenarios that may occur in the power grid during a typhoon based on the power grid topology model and the typhoon prediction path; wherein the initial fault simulation scenario records several faulty devices and first device information of several faulty devices;

[0028] A device determination module, used to determine a target safety automatic device for removing each faulty device according to the power grid topology model and the first device information in each of the initial fault simulation scenarios;

[0029] A scenario optimization module, for generating, according to the initial fault simulation scenario and the corresponding target safety automatic devices, fault simulation scenarios of a random number of target safety automatic device failures in each of the initial fault simulation scenarios;

[0030] The plan generation module is used to generate a corresponding target fault emergency plan based on the goals of frequency stability, voltage stability, and power flow stability according to each of the fault simulation scenarios; wherein the target fault emergency plan includes: the output power adjustment amount of the generator set, the switching action time of the non-faulty safety automatic device, and the electric energy dispatching power.

[0031] Furthermore, the power grid topology model records the geographical locations of several power equipment;

[0032] The scenario generation module predicts several initial fault simulation scenarios that may occur in the power grid during a typhoon based on the power grid topology model and the typhoon prediction path, including:

[0033] According to the typhoon forecast path, predict the impact range of several disasters caused by the typhoon;

[0034] Traversing the disaster impact range, and identifying several power equipment whose geographical locations are within the currently traversed disaster impact range as faulty equipment;

[0035] The first device information of a plurality of faulty devices within each of the disaster impact ranges is obtained, and a corresponding initial fault simulation scenario is generated according to the plurality of faulty devices and the first device information.

[0036] Furthermore, the plan generation module generates a corresponding target fault emergency plan based on the goals of frequency stability, voltage stability, and power flow stability according to each of the fault simulation scenarios, including:

[0037] Obtaining several historical actual fault scenarios and corresponding historical fault emergency plans; wherein the historical fault emergency plans are fault emergency plans used to deal with several historical actual fault scenarios;

[0038] Matching the historical actual fault scenario with the fault simulation scenario, and using the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, to generate a collection of initial fault emergency plans for each of the fault simulation scenarios;

[0039] Based on the goals of frequency stability, voltage stability, and power flow stability, the initial fault emergency plans in the initial fault emergency plan collection of each fault simulation scenario are integrated to generate a target fault emergency plan for each fault simulation scenario.

[0040] Furthermore, the historical actual fault scenario records several historical fault devices and the second device information of several historical fault devices; the initial fault simulation scenario also records the fault time of several fault devices;

[0041] The plan generation module matches the historical actual fault scenario with the fault simulation scenario, and uses the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, and generates a collection of initial fault emergency plans for each of the fault simulation scenarios, including:

[0042] Traversing a plurality of first device information in each of the fault simulation scenarios, and comparing the traversed first device information with a plurality of second device information;

[0043] When it is determined that the traversed first device information is the same as the plurality of the second device information, it is determined that the fault simulation scenario matches the plurality of the historical actual fault scenarios successfully, and the historical fault emergency plans corresponding to the plurality of the historical actual fault scenarios that have successfully matched are used as the initial fault emergency plans under the fault simulation scenario;

[0044] When the traversal of the plurality of first device information in the fault simulation scenario is completed, the initial fault emergency response plans matched by each of the first device information are sorted according to the plurality of fault times to generate a collection of initial fault emergency response plans.

[0045] Another embodiment of the present invention provides a terminal device, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein when the processor executes the computer program, it implements a method for generating a power grid fault plan based on typhoon disasters as described in any one of the embodiments.

[0046] Another embodiment of the present invention provides a storage medium, which includes a stored computer program, wherein when the computer program is running, the device where the storage medium is located is controlled to execute a method for generating a power grid fault plan based on typhoon disasters as described in any of the above embodiments.

[0047] The following beneficial effects are achieved by implementing the present invention:

[0048] The present invention discloses a method, device, terminal device and storage medium for generating a power grid fault plan based on a typhoon disaster. The method predicts several initial fault simulation scenarios that may occur in the power grid during a typhoon according to a power grid topology model and a typhoon prediction path, determines the faulty equipment that will fail under the typhoon disaster, and then determines the target safety automatic device for cutting off each faulty equipment according to the power grid topology model and the first equipment information of the faulty equipment in each initial fault simulation scenario, and further generates a fault simulation scenario according to the initial fault simulation scenario and the corresponding several target safety automatic devices; finally, for each of the fault simulation scenarios, generates a target fault emergency plan that meets the goals of frequency stability, voltage stability, and power flow stability. Therefore, the target fault emergency plan generated by the present invention can cope with sudden fault scenarios in which safety automatic devices such as main protection switches or circuit breakers refuse to operate, and effectively ensures the stable operation of the power system during typhoon disasters. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] Figure 1It is a flow chart of a method for generating a power grid fault plan based on typhoon disasters provided by an embodiment of the present invention.

[0050] Figure 2 It is a structural schematic diagram of a typhoon disaster-based power grid fault plan generation device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0052] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0053] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0054] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0055] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0056] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0057] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0058] See also Figure 1 , is a flow chart of a method for generating a power grid fault plan based on typhoon disasters provided by an embodiment of the present invention, comprising:

[0059] S1, obtaining the grid topology model of the power grid and the typhoon prediction path;

[0060] In a preferred embodiment of the present invention, the operation model, data and graph of the existing dispatching automation SCADA system are used, and the relational data to graph database conversion tool loaddingjob is used to import them into the graph database to generate the initial "switch-branch" graph model, i.e., the power grid topology model. Furthermore, the numerical weather forecast model WRF is comprehensively adopted, and artificial intelligence algorithms such as deep learning, random forests, and neural networks are integrated to improve the accuracy and reliability of typhoon path prediction.

[0061] S2. Predicting several initial fault simulation scenarios that may occur in the power grid during a typhoon based on the power grid topology model and the typhoon prediction path; wherein the initial fault simulation scenarios record several faulty devices and first device information of several faulty devices;

[0062] Preferably, the power grid topology model records the geographical locations of several power equipment;

[0063] According to the power grid topology model and the typhoon prediction path, several initial fault simulation scenarios that may occur in the power grid during a typhoon are predicted, including:

[0064] S21. predicting the impact range of several disasters of the typhoon according to the predicted path of the typhoon;

[0065] S22, traversing the disaster impact range, and identifying several power equipment whose geographical locations are within the currently traversed disaster impact range as faulty equipment;

[0066] S23: Obtain first device information of a plurality of faulty devices within each disaster impact range, and generate a corresponding initial fault simulation scenario according to the plurality of faulty devices and the first device information.

[0067] In a preferred embodiment of the present invention, the closest distance point between each power device and the typhoon path is calculated, and it is determined whether each power device is within the disaster impact range of the closest distance point. If so, the corresponding power device is set as a faulty device.

[0068] S3, determining a target safety automatic device for removing each faulty device according to the power grid topology model and the first device information in each of the initial fault simulation scenarios;

[0069] S4, generating, according to the initial fault simulation scenario and the corresponding target safety automatic devices, fault simulation scenarios of several random target safety automatic device failures in each of the initial fault simulation scenarios;

[0070] In a preferred embodiment of the present invention, by considering the target safety automatic devices of various types of faulty equipment and generating a random number of fault simulation scenarios of the target safety automatic device failures in each initial fault simulation scenario, the scenario of the target safety automatic device failure is taken into consideration. Compared with the traditional method of only considering the fault removal and isolation of the normal operation of the device, this embodiment adds one more level to the local model according to the node range, thereby realizing a more accurate expression of the full network spatiotemporal graph model to the local model.

[0071] S5. According to each of the fault simulation scenarios, a corresponding target fault emergency plan is generated based on the goals of frequency stability, voltage stability, and power flow stability; wherein the target fault emergency plan includes: the output power adjustment amount of the generator set, the switching action time of the non-faulty safety automatic device, and the electric energy dispatching power.

[0072] Preferably, generating a corresponding target fault emergency plan based on the goals of frequency stability, voltage stability, and power flow stability according to each of the fault simulation scenarios includes:

[0073] S51. Obtain several historical actual fault scenarios and corresponding historical fault emergency plans; wherein the historical fault emergency plans are fault emergency plans used to deal with several historical actual fault scenarios;

[0074] S52, matching the historical actual fault scenario with the fault simulation scenario, and using the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, and generating a collection of initial fault emergency plans for each of the fault simulation scenarios;

[0075] Preferably, the historical actual fault scenario records several historical fault devices and the second device information of several historical fault devices; the initial fault simulation scenario also records the fault time of several fault devices;

[0076] The matching of the historical actual fault scenario with the fault simulation scenario, and using the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, and generating a collection of initial fault emergency plans for each of the fault simulation scenarios, includes:

[0077] S521, traversing a plurality of first device information in each of the fault simulation scenarios, and comparing the traversed first device information with a plurality of second device information;

[0078] S522: When it is determined that the traversed first device information is the same as the plurality of the second device information, it is determined that the fault simulation scenario matches the plurality of the historical actual fault scenarios successfully, and the historical fault emergency plans corresponding to the plurality of the historical actual fault scenarios that successfully match are used as the initial fault emergency plan under the fault simulation scenario;

[0079] S523: When the traversal of the plurality of first device information in the fault simulation scenario is completed, the initial fault emergency response plans matched by each piece of the first device information are sorted according to the plurality of fault times to generate a collection of initial fault emergency response plans.

[0080] S53. Based on the goals of frequency stability, voltage stability, and power flow stability, the initial fault emergency plans in the initial fault emergency plan collection of each fault simulation scenario are integrated to generate a target fault emergency plan for each fault simulation scenario.

[0081] In a preferred embodiment of the present invention, a scenario operation workflow is constructed to realize the intelligent orchestration of various services under the power diagram computing platform, and the initial fault emergency plan collection of the fault simulation scenario is used as the initial condition of the complex fault analysis service and sent to the simulation scenario in relative time order. After the simulation scene receives the event, it automatically executes the event and automatically triggers the adaptive cruise simulation reasoning service.

[0082] First, we will carry out spatiotemporal data correction and enhancement services, intelligently process abnormal data such as missing data and jumps, and enhance the forecast of each new energy unit and bus load to obtain the corrected time series data of new energy forecast and bus load forecast, thereby improving the data quality of scenario analysis.

[0083] Secondly, carry out adaptive cruise simulation reasoning of frequency control. When a short-circuit fault causes abnormal frequency in the power grid, it is necessary to adjust the system frequency to the normal range by adjusting the active output of the operating units, starting and stopping the hydropower units, adjusting the operation mode of the pumped storage units, and adjusting the cross-regional DC power transmission power. When the frequency is lower than the lower limit (ACE<0), the general measures are to increase the unit output, limit power, pull the line according to the "Accident Power Pulling Order Table"; when the frequency is higher than the upper limit (ACE>0), the general measures are to reduce the unit output, shut down, etc.

[0084] Conduct adaptive cruise simulation reasoning for voltage control. Short-circuit faults can cause the voltage near the sending and receiving ends to fluctuate greatly and exceed the limit. The accident plan will require relevant units to adjust the unit reactive power, switch reactive compensation devices, etc. according to the principle of reactive power stratification and zoning local balance according to the voltage exceeding the limit in the sending and receiving areas after the fault, so as to ensure that the voltage in the nearby area is within the allowable range. Voltage control measures generally include: adjusting the voltage at the machine end, adjusting the tap, switching capacitors and reactors, switching static reactive compensation devices, adjusting the reactive power of the generator, etc.

[0085] Conduct adaptive cruise simulation reasoning for power flow control. When a power grid fault causes a large and wide-range transfer of power flow, resulting in power over-limit and equipment overload at the transmission section, measures such as increasing the output of the power plant at the receiving end system, quickly starting the standby units of the hydropower plant, reducing the output of the power plant at the sending end system, and increasing the voltage of the sending and receiving end systems can be taken to eliminate power over-limit and equipment overload. Specific treatment measures generally include: increasing the output of the power plant at the receiving end and increasing the voltage level; reducing the output of the power plant at the sending end (if necessary, some generator sets can be cut off) and increasing the voltage level; adjusting the system operation mode (including changing the system wiring, etc.) to transfer the power flow of overloaded components; and limiting or pulling power at the receiving end. Among them, adding and subtracting output is the most commonly used treatment measure for power flow control, and quantitative reasoning such as sensitivity analysis, generator screening and sorting, and generator adjustment calculation is required based on whether the execution subject is clear.

[0086] Carry out complex fault analysis services considering switch refusal to operate, and obtain key risk indicators such as sensitivity index and severity level based on parallel computing of graph tasks.

[0087] The trend data of the power grid with risk points is handed over to the risk analysis module for safety and stability analysis and calculation, and the sequence of emergency control strategies under power grid preventive control or faults is obtained. A new scenario branch is created and added to the scenario management, and a new calculation instance is created for it to perform simulation calculations.

[0088] Furthermore, the future operation changes of the power grid after the fault occurs are continuously simulated to analyze the potential risks in the process of power grid evolution. The key indicators of power grid safety operation are displayed in a visual way to depict the process of power grid safety changes in a continuous time period consisting of historical, current and future periods, and realize the comprehensive risk display of the scenario process.

[0089] Finally, a comprehensive evaluation is conducted on the plan execution process from the aspects of operational safety, grid safety, power supply economy, green and low-carbon nature, etc., and the results of each disposal process are analyzed and compared, the corresponding processing strategies are improved, and the target fault emergency plan is generated for each fault simulation scenario.

[0090] This embodiment provides a method for generating a power grid fault plan based on a typhoon disaster. According to the power grid topology model and the typhoon prediction path, several initial fault simulation scenarios that may occur in the power grid during a typhoon are predicted, and the faulty equipment that will fail under the typhoon disaster is determined. Then, according to the power grid topology model and the first equipment information of the faulty equipment in each initial fault simulation scenario, the target safety automatic device for cutting off each faulty equipment is determined. Further, according to the initial fault simulation scenario and the corresponding target safety automatic devices, a fault simulation scenario is generated; finally, for each of the fault simulation scenarios, a target fault emergency plan that meets the frequency stability, voltage stability, and power flow stability goals is generated. Therefore, the target fault emergency plan generated by this embodiment can deal with sudden fault scenarios in which safety automatic devices such as main protection switches or circuit breakers refuse to operate, and effectively ensure the stable operation of the power system during typhoon disasters.

[0091] See also Figure 2 , is a schematic diagram of a structure of a typhoon disaster-based power grid fault plan generation device provided by an embodiment of the present invention, comprising:

[0092] A data acquisition module, used to obtain a power grid topology model and a typhoon prediction path of the power grid;

[0093] A scenario generation module, used to predict several initial fault simulation scenarios that may occur in the power grid during a typhoon based on the power grid topology model and the typhoon prediction path; wherein the initial fault simulation scenario records several faulty devices and first device information of several faulty devices;

[0094] A device determination module, used to determine a target safety automatic device for removing each faulty device according to the power grid topology model and the first device information in each of the initial fault simulation scenarios;

[0095] A scenario optimization module, for generating, according to the initial fault simulation scenario and the corresponding target safety automatic devices, fault simulation scenarios of a random number of target safety automatic device failures in each of the initial fault simulation scenarios;

[0096] The plan generation module is used to generate a corresponding target fault emergency plan based on the goals of frequency stability, voltage stability, and power flow stability according to each of the fault simulation scenarios; wherein the target fault emergency plan includes: the output power adjustment amount of the generator set, the switching action time of the non-faulty safety automatic device, and the electric energy dispatching power.

[0097] Preferably, the power grid topology model records the geographical locations of several power equipment;

[0098] The scenario generation module predicts several initial fault simulation scenarios that may occur in the power grid during a typhoon based on the power grid topology model and the typhoon prediction path, including:

[0099] According to the typhoon forecast path, predict the impact range of several disasters caused by the typhoon;

[0100] Traversing the disaster impact range, and identifying several power equipment whose geographical locations are within the currently traversed disaster impact range as faulty equipment;

[0101] The first device information of a plurality of faulty devices within each of the disaster impact ranges is obtained, and a corresponding initial fault simulation scenario is generated according to the plurality of faulty devices and the first device information.

[0102] Preferably, the plan generation module generates a corresponding target fault emergency plan based on the goals of frequency stability, voltage stability, and power flow stability according to each of the fault simulation scenarios, including:

[0103] Obtaining several historical actual fault scenarios and corresponding historical fault emergency plans; wherein the historical fault emergency plans are fault emergency plans used to deal with several historical actual fault scenarios;

[0104] Matching the historical actual fault scenario with the fault simulation scenario, and using the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, to generate a collection of initial fault emergency plans for each of the fault simulation scenarios;

[0105] Based on the goals of frequency stability, voltage stability, and power flow stability, the initial fault emergency plans in the initial fault emergency plan collection of each fault simulation scenario are integrated to generate a target fault emergency plan for each fault simulation scenario.

[0106] Preferably, the historical actual fault scenario records several historical fault devices and the second device information of several historical fault devices; the initial fault simulation scenario also records the fault time of several fault devices;

[0107] The plan generation module matches the historical actual fault scenario with the fault simulation scenario, and uses the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, and generates a collection of initial fault emergency plans for each of the fault simulation scenarios, including:

[0108] Traversing a plurality of first device information in each of the fault simulation scenarios, and comparing the traversed first device information with a plurality of second device information;

[0109] When it is determined that the traversed first device information is the same as the plurality of the second device information, it is determined that the fault simulation scenario matches the plurality of the historical actual fault scenarios successfully, and the historical fault emergency plans corresponding to the plurality of the historical actual fault scenarios that have successfully matched are used as the initial fault emergency plans under the fault simulation scenario;

[0110] When the traversal of the plurality of first device information in the fault simulation scenario is completed, the initial fault emergency response plans matched by each of the first device information are sorted according to the plurality of fault times to generate a collection of initial fault emergency response plans.

[0111] It should be noted that the device embodiments described above are merely schematic, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. In addition, in the accompanying drawings of the device embodiments provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, which may be specifically implemented as one or more communication buses or signal lines. A person of ordinary skill in the art may understand and implement it without paying any creative effort.

[0112] Those skilled in the art can clearly understand that for the sake of convenience and brevity, the specific working process of the device described above can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.

[0113] Another preferred embodiment of the present invention provides a terminal device, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein when the processor executes the computer program, it implements a method for generating a power grid fault plan based on typhoon disasters as described in any one of the above embodiments.

[0114] The terminal device may be a computing device such as a desktop computer, a notebook, a PDA, a cloud server, etc. The terminal device may include, but is not limited to, a processor and a memory.

[0115] The processor may be a central processing unit (CPU), other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or any conventional processor, etc. The processor is the control center of the terminal device, and uses various interfaces and lines to connect various parts of the entire terminal device.

[0116] The memory can be used to store the computer program, and the processor realizes various functions of the terminal device by running or executing the computer program stored in the memory and calling the data stored in the memory. The memory can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application required for a function, etc.; the data storage area can store data created according to the use of the mobile phone, etc. In addition, the memory can include a high-speed random access memory, and can also include a non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), at least one disk storage device, a flash memory device, or other volatile solid-state storage devices.

[0117] Another preferred embodiment of the present invention provides a storage medium, the storage medium is a computer-readable storage medium, the computer program is stored in the computer-readable storage medium, and the computer program, when executed by the processor, can implement the steps of the above-mentioned various method embodiments. Wherein, the computer program includes computer program code, and the computer program code can be in source code form, object code form, executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, USB flash drive, mobile hard disk, magnetic disk, optical disk, computer memory, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), electrical carrier signal, telecommunication signal and software distribution medium, etc.

[0118] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A method for generating a power grid fault plan based on typhoon disasters, characterized in that: include: Obtain the grid topology model of the power grid and the typhoon forecast path; According to the power grid topology model and the typhoon prediction path, predict several initial fault simulation scenarios that may occur in the power grid during a typhoon; wherein the initial fault simulation scenarios record several faulty devices and first device information of several faulty devices; Determine a target safety automatic device for removing each faulty device according to the power grid topology model and the first device information in each of the initial fault simulation scenarios; According to the initial fault simulation scenario and the corresponding target safety automatic devices, generating a random fault simulation scenario of a plurality of target safety automatic device failures in each of the initial fault simulation scenarios; According to each of the fault simulation scenarios, a corresponding target fault emergency plan is generated based on the goals of frequency stability, voltage stability, and power flow stability; wherein the target fault emergency plan includes: the output power adjustment amount of the generator set, the switching action time of the non-faulty safety automatic device, and the electric energy dispatching power.

2. A method for generating a power grid fault plan based on typhoon disasters according to claim 1, characterized in that: The power grid topology model records the geographical locations of several power equipment; According to the power grid topology model and the typhoon prediction path, several initial fault simulation scenarios that may occur in the power grid during a typhoon are predicted, including: According to the typhoon forecast path, predict the impact range of several disasters caused by the typhoon; Traversing the disaster impact range, and identifying several power equipment whose geographical locations are within the currently traversed disaster impact range as faulty equipment; The first device information of a plurality of faulty devices within each of the disaster impact ranges is obtained, and a corresponding initial fault simulation scenario is generated according to the plurality of faulty devices and the first device information.

3. A method for generating a power grid fault plan based on typhoon disasters as claimed in claim 2, characterized in that: According to each of the fault simulation scenarios, a corresponding target fault emergency plan is generated based on the goals of frequency stability, voltage stability, and power flow stability, including: Obtaining several historical actual fault scenarios and corresponding historical fault emergency plans; wherein the historical fault emergency plans are fault emergency plans used to deal with several historical actual fault scenarios; Matching the historical actual fault scenario with the fault simulation scenario, and using the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, to generate a collection of initial fault emergency plans for each of the fault simulation scenarios; Based on the goals of frequency stability, voltage stability, and power flow stability, the initial fault emergency plans in the initial fault emergency plan collection of each fault simulation scenario are integrated to generate a target fault emergency plan for each fault simulation scenario.

4. A method for generating a power grid fault plan based on typhoon disasters as claimed in claim 3, characterized in that: The historical actual fault scenario records several historical fault devices and the second device information of several historical fault devices; the initial fault simulation scenario also records the fault time of several fault devices; The matching of the historical actual fault scenario with the fault simulation scenario, and using the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, and generating a collection of initial fault emergency plans for each of the fault simulation scenarios, includes: Traversing a plurality of first device information in each of the fault simulation scenarios, and comparing the traversed first device information with a plurality of second device information; When it is determined that the traversed first device information is the same as the plurality of the second device information, it is determined that the fault simulation scenario matches the plurality of the historical actual fault scenarios successfully, and the historical fault emergency plans corresponding to the plurality of the historical actual fault scenarios that have successfully matched are used as the initial fault emergency plans under the fault simulation scenario; When the traversal of the plurality of first device information in the fault simulation scenario is completed, the initial fault emergency response plans matched by each of the first device information are sorted according to the plurality of fault times to generate a collection of initial fault emergency response plans.

5. A device for generating a power grid fault plan based on typhoon disasters, characterized in that: include: A data acquisition module, used to obtain a power grid topology model and a typhoon prediction path of the power grid; A scenario generation module, used to predict several initial fault simulation scenarios that may occur in the power grid during a typhoon based on the power grid topology model and the typhoon prediction path; wherein the initial fault simulation scenario records several faulty devices and first device information of several faulty devices; A device determination module, used to determine a target safety automatic device for removing each faulty device according to the power grid topology model and the first device information in each of the initial fault simulation scenarios; A scenario optimization module, for generating, according to the initial fault simulation scenario and the corresponding target safety automatic devices, fault simulation scenarios of a random number of target safety automatic device failures in each of the initial fault simulation scenarios; The plan generation module is used to generate a corresponding target fault emergency plan based on the goals of frequency stability, voltage stability, and power flow stability according to each of the fault simulation scenarios; wherein the target fault emergency plan includes: the output power adjustment amount of the generator set, the switching action time of the non-faulty safety automatic device, and the electric energy dispatching power.

6. The device for generating a power grid fault plan based on typhoon disasters according to claim 5, characterized in that: The power grid topology model records the geographical locations of several power equipment; The scenario generation module predicts several initial fault simulation scenarios that may occur in the power grid during a typhoon based on the power grid topology model and the typhoon prediction path, including: According to the typhoon forecast path, predict the impact range of several disasters caused by the typhoon; Traversing the disaster impact range, and identifying several power equipment whose geographical locations are within the currently traversed disaster impact range as faulty equipment; The first device information of a plurality of faulty devices within each of the disaster impact ranges is obtained, and a corresponding initial fault simulation scenario is generated according to the plurality of faulty devices and the first device information.

7. The device for generating a power grid fault plan based on typhoon disasters according to claim 6, characterized in that: The plan generation module generates a corresponding target fault emergency plan based on the goals of frequency stability, voltage stability, and power flow stability according to each of the fault simulation scenarios, including: Obtaining several historical actual fault scenarios and corresponding historical fault emergency plans; wherein the historical fault emergency plans are fault emergency plans used to deal with several historical actual fault scenarios; Matching the historical actual fault scenario with the fault simulation scenario, and using the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, to generate a collection of initial fault emergency plans for each of the fault simulation scenarios; Based on the goals of frequency stability, voltage stability, and power flow stability, the initial fault emergency plans in the initial fault emergency plan collection of each fault simulation scenario are integrated to generate a target fault emergency plan for each fault simulation scenario.

8. The device for generating a power grid fault plan based on typhoon disasters according to claim 7, characterized in that: The historical actual fault scenario records several historical fault devices and the second device information of several historical fault devices; the initial fault simulation scenario also records the fault time of several fault devices; The plan generation module matches the historical actual fault scenario with the fault simulation scenario, and uses the historical fault emergency plan corresponding to the successfully matched historical actual fault scenario as the initial fault emergency plan under the fault simulation scenario, and generates a collection of initial fault emergency plans for each of the fault simulation scenarios, including: Traversing a plurality of first device information in each of the fault simulation scenarios, and comparing the traversed first device information with a plurality of second device information; When it is determined that the traversed first device information is the same as the plurality of the second device information, it is determined that the fault simulation scenario matches the plurality of the historical actual fault scenarios successfully, and the historical fault emergency plans corresponding to the plurality of the historical actual fault scenarios that have successfully matched are used as the initial fault emergency plans under the fault simulation scenario; When the traversal of the plurality of first device information in the fault simulation scenario is completed, the initial fault emergency response plans matched by each of the first device information are sorted according to the plurality of fault times to generate a collection of initial fault emergency response plans.

9. A terminal device, characterized in that: It includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, and when the processor executes the computer program, it implements a method for generating a power grid fault plan based on typhoon disasters as described in any one of claims 1 to 4.

10. A storage medium, characterized in that: The storage medium includes a stored computer program, wherein when the computer program is running, the device where the storage medium is located is controlled to execute a method for generating a power grid fault plan based on typhoon disasters as described in any one of claims 1 to 4.

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