CN115438933A - Power failure processing method, device, equipment and medium for power grid equipment - Google Patents
Power failure processing method, device, equipment and medium for power grid equipment Download PDFInfo
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Abstract
The invention discloses a method, a device, equipment and a medium for processing power failure of power grid equipment. The method comprises the following steps: determining a preset topological relation of the power grid equipment; determining target power failure equipment from the alternative power grid equipment associated with the topological relation of the power grid equipment; under the condition that the power failure operation is executed on the target power failure equipment, determining the voltages of the target power failure equipment and other alternative power grid equipment; and determining the power grid equipment influenced by the power failure of the target power failure equipment from the other alternative power grid equipment according to the voltage, the equipment type of the target power failure equipment, the equipment types of other alternative power grid equipment and the topological relation of the power grid equipment. According to the technical scheme, the influence of power failure of the power failure equipment on the power grid equipment can be determined according to the equipment type of the power failure equipment, and the accurate operation strategy can be made by related personnel.
Description
Technical Field
The invention relates to the field of power grids, in particular to a power failure processing method, a power failure processing device, power failure processing equipment and a power failure processing medium for power grid equipment.
Background
With the doubled workload of the power grid equipment in the power system, the operation state of the power grid equipment is more complicated, and a power failure caused by the change of the operation mode of any equipment can bring huge economic loss and seriously affect the daily life of people.
Therefore, how to analyze the influence on the downstream equipment of different power grid equipment in advance when the power is cut off so that the operating personnel can reasonably and quickly make a correct operation strategy is a problem to be solved urgently at present.
Disclosure of Invention
The invention provides a power failure processing method, a power failure processing device, power failure processing equipment and a power failure processing medium for power grid equipment, which can determine the influence of power failure of the power failure equipment on the power grid equipment according to the equipment type of the power failure equipment and are beneficial to relevant personnel to make an accurate operation strategy.
According to an aspect of the present invention, there is provided a method for processing a power failure of a power grid device, including:
determining a preset topological relation of the power grid equipment; the power grid equipment topological relation is a connection relation between at least two alternative power grid equipment;
determining target power failure equipment from the alternative power grid equipment associated with the topological relation of the power grid equipment;
under the condition that the power failure operation is performed on the target power failure equipment, determining the voltages of the target power failure equipment and other alternative power grid equipment; the other alternative power grid equipment is alternative power grid equipment except the target power failure equipment;
and determining the power grid equipment influenced by the power failure of the target power failure equipment from the other alternative power grid equipment according to the voltage, the equipment type of the target power failure equipment, the equipment types of other alternative power grid equipment and the topological relation of the power grid equipment.
According to another aspect of the present invention, there is provided a power outage handling apparatus for a power grid device, including:
the relation determining module is used for determining a preset topological relation of the power grid equipment; the power grid equipment topological relation is a connection relation between at least two alternative power grid equipment;
the power failure equipment determining module is used for determining target power failure equipment from the alternative power grid equipment associated with the power grid equipment topological relation;
the voltage determining module is used for determining the voltages of the target power failure equipment and other alternative power grid equipment under the condition of performing power failure operation on the target power failure equipment; the other alternative power grid equipment is alternative power grid equipment except the target power failure equipment;
and the influence equipment determining module is used for determining the power grid equipment influenced by the power failure of the target power failure equipment from the other alternative power grid equipment according to the voltage, the equipment type of the target power failure equipment, the equipment types of other alternative power grid equipment and the topological relation of the power grid equipment.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor to enable the at least one processor to execute the method for processing the power failure of the power grid equipment according to any embodiment of the present invention.
According to another aspect of the present invention, there is provided a computer-readable storage medium storing computer instructions for causing a processor to implement a method for processing a power failure of a power grid device according to any embodiment of the present invention when the processor executes the computer instructions.
The technical scheme of the embodiment of the invention comprises the steps of determining a preset topological relation of power grid equipment, determining target power failure equipment from alternative power grid equipment associated with the topological relation of the power grid equipment, determining the voltages of the target power failure equipment and other alternative power grid equipment under the condition of performing power failure operation on the target power failure equipment, and determining the power grid equipment influenced by power failure of the target power failure equipment from other alternative power grid equipment according to the voltages, the equipment type of the target power failure equipment, the equipment types of other alternative power grid equipment and the topological relation of the power grid equipment. The influence of power failure of the power failure equipment on the power grid equipment is determined according to the equipment type of the power failure equipment, the risk caused by power failure of each power grid equipment can be evaluated more comprehensively and accurately, and the method is helpful for relevant personnel to make an accurate operation strategy.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present invention, nor do they necessarily limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a power failure processing method for power grid equipment according to an embodiment of the present invention;
fig. 2 is a flowchart of a power failure processing method for power grid equipment according to a second embodiment of the present invention;
fig. 3 is a flowchart of a power failure processing method for power grid equipment according to a third embodiment of the present invention;
fig. 4 is a structural diagram of a power outage handling apparatus for power grid equipment according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to a fifth embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," "target," "alternative," and the like in the description and claims of the invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that, with the rapid development of cities, the power system in the city is an extremely important part, the city population is dense, the grid load is large, the density is high, and the grid power failure plan changes the grid topology structure, thereby affecting the real-time operation risk of the grid.
In the related art, a dispatcher generally performs manual analysis according to data of a monitoring system and related information such as backup power automatic switching and safety and stability configuration, and such a method has low efficiency and insufficient accuracy, and cannot improve the analysis efficiency of power failure planning risks. Considering that the operation state of the power grid equipment is more complicated along with the multiplied increase of workload borne by the power grid model in the power system software, and power failure caused by the change of any equipment operation mode can bring huge economic loss and seriously affect the daily life of people, the embodiment of the invention provides a power grid equipment model, and power failure risks of the power grid equipment can be evaluated and analyzed based on equipment types by carrying out simulation test on the power failure of the power grid equipment in the topological relation of the power grid equipment, and a specific implementation method is introduced in detail in the following embodiment of the invention.
Example one
Fig. 1 is a flowchart of a method for processing a power outage of a power grid device according to an embodiment of the present invention, where the embodiment is suitable for a case where a power outage is performed on a power grid device, and is particularly suitable for a case where a risk possibly caused by a power outage of each power grid device in a topological relation of the power grid device is analyzed. As shown in fig. 1, the method includes:
s101, determining a preset power grid equipment topological relation.
And the power grid equipment topological relation is a connection relation between at least two alternative power grid equipment. The power grid equipment refers to electrical equipment in a power system of a power distribution network, such as a power station boiler, a steam turbine, a gas turbine, a water turbine, a generator, a transformer, a power transmission line, a mutual inductor, a contactor, switch equipment and the like.
Optionally, the power grid device topological relation graph may be directly obtained from a power grid system implemented in reality in a manner of derivation or direct invocation, that is, the preset power grid device topological relation is determined. The method can also build a power grid equipment topological relation based on the relevant information of at least two power grid equipment according to a preset rule, and specifically, the method for determining the power grid equipment topological relation comprises the following steps: and according to the attributes of at least two pieces of power grid equipment and the wiring or connection rules between the power grid equipment, building a topological relation graph between the power grid equipment, and determining the topological relation of the power grid equipment. The attribute of the power grid device refers to a category attribute of the power grid device, such as a power generation device or a power supply device.
It should be noted that the connection relationship between the power grid devices can be visually represented through the topological relationship of the power grid devices, so that the subsequent rapid analysis based on the topological relationship of the power grid devices is facilitated to discover other power grid devices affected by the power failure of the power grid devices.
S102, determining target power failure equipment from the alternative power grid equipment associated with the topological relation of the power grid equipment.
The alternative power grid devices refer to all power grid devices contained in the power grid device topological relation. The target power failure equipment refers to equipment for performing power failure operation on a target in the alternative power grid equipment.
Optionally, all the candidate power grid devices may be respectively used as target power failure devices to perform subsequent S103-104 operations, or the candidate power grid devices may be first screened based on a preset screening rule, for example, according to the importance of each candidate power grid device, the important candidate power grid devices are respectively used as the target power failure devices to perform subsequent S103-104 operations.
And S103, under the condition that the power failure operation is performed on the target power failure equipment, determining the voltages of the target power failure equipment and other alternative power grid equipment.
Optionally, the preset topological relation of the power grid equipment can be simulated and tested on a preset test system, the power outage operation is performed on the target power outage equipment based on the power outage test model of the power grid equipment, and then the voltages of the target power outage equipment and other alternative power grid equipment are obtained, that is, the voltages of the target power outage equipment and other alternative power grid equipment are determined under the condition that the power outage operation is performed on the target power outage equipment.
And S104, determining the power grid equipment affected by the power failure of the target power failure equipment from other alternative power grid equipment according to the voltage, the equipment type of the target power failure equipment, the equipment types of other alternative power grid equipment and the topological relation of the power grid equipment.
The device types include a transformer type and a non-transformer type. The transformer type power grid device may be a power transformer, a distribution transformer, a dry transformer, an amorphous alloy transformer, a wound core transformer, or the like. Non-transformer type power grid equipment may include utility boilers, steam turbines, gas turbines, water turbines, generators, transmission lines, transformers, contactors, and switchgear, among others.
Optionally, after the voltages of the target blackout device and other alternative power grid devices are determined, the voltages, the device type of the target blackout device, the device types of the other alternative power grid devices, and the topological relation of the power grid devices may be input into a pre-trained model, and the power grid devices affected by the blackout of the target blackout device are output; and analyzing the voltage magnitude relation of the target power failure equipment and other alternative power grid equipment according to the equipment type of the target power failure equipment, the equipment types of other alternative power grid equipment and the topological relation of the power grid equipment based on a preset rule, and determining the power grid equipment influenced by the power failure of the target power failure equipment from other alternative power grid equipment.
Optionally, determining, according to the voltage, the device type of the target blackout device, the device types of other alternative power grid devices, and the topological relation of the power grid devices, a power grid device affected by blackout of the target blackout device from the other alternative power grid devices, includes: if the equipment type of the target power failure equipment is a non-transformer type except for the switching equipment, and the alternative downstream equipment of which the equipment type is the transformer type does not exist in the alternative downstream equipment of the target power failure equipment, determining that the power grid equipment influenced by the power failure of the target power failure equipment does not exist in other alternative power grid equipment; and if the equipment type of the target power failure equipment is the switch equipment and the switch equipment is in a disconnected state, determining the alternative downstream equipment of the target power failure equipment as the power grid equipment influenced by the power failure of the target power failure equipment according to the topological relation of the power grid equipment. Wherein, the alternative downstream equipment is the power grid equipment through which the current output from the target power failure equipment flows.
Optionally, when the device type of the target blackout device is a non-transformer device except for a switching device, whether a transformer-type power grid device exists or not may be searched for from alternative downstream devices of the target blackout device according to a topological relation of the power grid device, and if the transformer-type power grid device does not exist, it may be determined that a power grid device affected by blackout of the target blackout device does not exist in other alternative power grid devices.
Optionally, in the power grid system, the transformer-type power grid device may be regarded as a power supply bit, and when the target power outage device is a non-transformer type, that is, a non-power supply bit, it needs to be determined whether another power supply bit exists in the alternative downstream device, that is, the transformer-type power grid device, and if the power supply bit does not exist in the alternative downstream device, it may be determined that the alternative downstream device is not affected by the power outage of the alternative downstream device.
Optionally, when the target blackout device is a switch device, the power grid device affected by the blackout of the target blackout device may be determined according to a state (open or closed) of the switch device. Specifically, if the switch device is in an off state, it is determined that all the alternative downstream power grid devices of the switch device are affected by the power failure of the target power failure device.
Optionally, after determining the power grid equipment affected by the power failure of the target power failure equipment from other alternative power grid equipment, the determined power grid equipment affected by the target power failure equipment may be displayed in a power failure testing system of the power grid equipment, and specifically, the display mode may be a highlight display mode, a flash display mode, or other display modes that enable an operator to quickly perceive or discover the display mode.
According to the technical scheme, the method comprises the steps of determining a preset topological relation of the power grid equipment, determining target power failure equipment from alternative power grid equipment related to the topological relation of the power grid equipment, determining the voltage of the target power failure equipment and other alternative power grid equipment under the condition that power failure operation is performed on the target power failure equipment, and determining the power grid equipment influenced by power failure of the target power failure equipment from other alternative power grid equipment according to the voltage, the equipment type of the target power failure equipment, the equipment types of the other alternative power grid equipment and the topological relation of the power grid equipment. Through the equipment type according to the power failure equipment, the influence of the power failure equipment on the power grid equipment is determined, the risk caused by the power failure of each power grid equipment can be evaluated more comprehensively and accurately, and the operating personnel can make a correct operation strategy reasonably and quickly.
Example two
Fig. 2 is a flowchart of a method for processing a power outage of a power grid device according to a second embodiment of the present invention, and this embodiment further explains in detail "a power grid device affected by a power outage of a target power outage device is determined from other alternative power grid devices according to a voltage, a device type of the target power outage device, device types of other alternative power grid devices, and a topological relation of the power grid devices", and as shown in fig. 2, the method includes:
s201, determining a preset power grid equipment topological relation.
S202, determining target power failure equipment from the alternative power grid equipment associated with the topological relation of the power grid equipment.
And S203, determining the voltages of the target power failure equipment and other alternative power grid equipment under the condition of performing power failure operation on the target power failure equipment.
And S204, if the equipment type of the target power failure equipment is the transformer type, determining alternative downstream equipment of the target power failure equipment from other alternative power grid equipment according to the topological relation of the power grid equipment.
Wherein, the alternative downstream equipment is the power grid equipment through which the current output from the target power failure equipment flows.
Optionally, if the device type of the target blackout device is a transformer type, that is, the target blackout device is a transformer power supply location, the target blackout device may be used as an initial node in the power grid device topological relation, and according to the current flowing direction and the connection relation between the power grid devices in the power grid device topological relation, all power grid devices in the power grid device topological relation, where the current output from the target blackout device flows through, are determined, and are used as alternative downstream devices of the target blackout device, that is, alternative downstream devices of the target blackout device are determined from other alternative power grid devices.
S205, determining the alternative downstream equipment with the equipment type of the transformer type as the target downstream equipment.
Optionally, after determining the candidate downstream devices of the target blackout device, the candidate downstream device whose device type is the transformer type may be determined as the target downstream device according to the device type of each candidate downstream device.
It should be noted that, when the target blackout device is of a transformer type, since it cannot be directly excluded whether other transformer devices exist in the downstream devices, it is necessary to determine whether other power supply points exist in the downstream of the target blackout device, that is, whether a power supply location exists in the downstream of the target blackout device is determined by searching according to a connection relationship of a topology relationship of the power grid device, and specifically, the determination may be performed according to a current flowing direction and a relationship of each branch circuit in the downstream of the target blackout device.
And S206, determining the power grid equipment affected by the power failure of the target power failure equipment from the target downstream equipment according to the topological relation of the power grid equipment, the target power failure equipment and the voltage of each target downstream equipment.
Optionally, according to the topological relation of the power grid devices, the voltages of the target blackout device and each target downstream device may be compared based on a preset rule, for example, if the voltage of the power supply potential of the next stage is higher than the voltage of the previous stage, it may be determined that the downstream device is not affected by blackout when the power supply potential of the next stage (the transformer-type power grid device) is used as a node, that is, the power grid device affected by blackout of the target blackout device is determined from the target downstream devices.
Optionally, determining, from the target downstream devices, the power grid device affected by the outage of the target outage device according to the topological relation of the power grid device, the voltage of the target outage device, and the voltage of each target downstream device, includes: according to the topological relation of the power grid equipment, determining first-stage target downstream equipment and second-stage target downstream equipment which are directly connected from all target downstream equipment; the output of the first stage target downstream equipment is connected with the input of the second stage target downstream equipment; and if the voltage of the first-stage target downstream equipment is greater than that of the second-stage target downstream equipment, determining that the second-stage target downstream equipment is the power grid equipment affected by the power failure of the target power failure equipment.
The first-stage target downstream equipment refers to power grid equipment in which current output in the target downstream equipment is connected with next-stage target downstream equipment. The second-stage target downstream device refers to a power grid device which is directly connected with the first-stage target downstream device in the target downstream device.
Specifically, at least two downstream branch lines of the target power failure device may be determined according to a topological relation of the power grid devices, the power grid device directly connected to the target power failure device is determined from the target downstream devices according to a connection relation of the power grid devices in the downstream branch lines, and the power grid device is used as a first-stage target downstream device, and if the voltage of the target power failure device is greater than that of the first-stage target downstream device, the first-stage target downstream device is determined to be the power grid device affected by the power failure of the target power failure device. And further, determining the power grid equipment directly connected with the first-stage target downstream equipment in the downstream of the first-stage target downstream equipment as second-stage target downstream equipment, and if the voltage of the first-stage target downstream equipment is greater than that of the corresponding second-stage target downstream equipment, determining that the second-stage target downstream equipment is the power grid equipment influenced by the power failure of the target power failure equipment. Further, the second-stage target downstream equipment is used as new first-stage target downstream equipment again, the power grid equipment directly connected with the second-stage target downstream equipment in the downstream of the second-stage target downstream equipment is determined to be used as the second-stage target downstream equipment of the new first-stage target downstream equipment, if the voltage of the new first-stage target downstream equipment is larger than that of the corresponding new second-stage target downstream equipment, the new second-stage target downstream equipment is determined to be the power grid equipment affected by the power failure of the target power failure equipment, and the like is carried out until all target downstream equipment of the target power failure equipment are judged to be finished.
According to the technical scheme, after the voltages of the target power failure equipment and other alternative power grid equipment are determined, if the equipment type of the target power failure equipment is the transformer type, alternative downstream equipment of the target power failure equipment is determined from the other alternative power grid equipment according to the topological relation of the power grid equipment, the alternative downstream equipment of the equipment type of the transformer type is determined as the target downstream equipment, and finally the power grid equipment affected by the power failure of the target power failure equipment is determined from the target downstream equipment according to the topological relation of the power grid equipment, the voltage of the target power failure equipment and the voltage of each target downstream equipment. Through the mode, the method provides an implementable mode for determining the power grid equipment influenced by the power failure of the target power failure equipment from other alternative power grid equipment, and can accurately determine the power grid equipment influenced by the power failure of the target power failure equipment, so that the risk caused by the power failure of each power grid equipment is more comprehensively and accurately evaluated, and operating personnel can reasonably and quickly make a correct operation strategy.
EXAMPLE III
Fig. 3 is a flowchart of a method for processing a power outage of a power grid device according to a third embodiment of the present invention, and this embodiment further explains in detail steps after "determining a power grid device affected by a power outage of a target power outage device from other alternative power grid devices" in addition to the above embodiments, and as shown in fig. 3, the method includes:
s301, determining a preset power grid equipment topological relation.
S302, determining target power failure equipment from the alternative power grid equipment associated with the topological relation of the power grid equipment.
And S303, under the condition of performing power failure operation on the target power failure equipment, determining the voltages of the target power failure equipment and other alternative power grid equipment.
S304, according to the voltage, the equipment type of the target power failure equipment, the equipment types of other alternative power grid equipment and the topological relation of the power grid equipment, determining the power grid equipment influenced by the power failure of the target power failure equipment from the other alternative power grid equipment.
And S305, generating test data according to the target power failure equipment and the power grid equipment influenced by the power failure of the target power failure equipment.
The test data refers to data of the power grid equipment affected by power failure when different target power failure equipment tested and recorded by the power grid equipment power failure test system is in power failure.
Optionally, for each target power failure device, after testing and determining the power grid device affected by the power failure of the target power failure device based on the power grid device power failure test system, relevant information of the power grid device affected by the power failure when each target power failure device has a power failure may be generated and recorded, and test data may be generated.
S306, determining target power failure equipment and power grid equipment influenced by power failure of the target power failure equipment from historical operation data of each power grid equipment, and generating historical data.
The historical operation data refers to data generated in the historical actual operation process of the power grid system. The historical data indicates the power grid equipment influenced by historical actual power failure of different power grid equipment.
Optionally, historical operating data associated with the target power failure device may be matched from historical operating data of each power grid device, the historical operating data of each target power failure device is analyzed, a power grid device actually affected when each target power failure device has a power failure in history is determined, and the historical data is generated according to the target power failure device and the power grid device affected by the power failure of the target power failure device.
And S307, comparing the test data with the historical data, and determining error data and error factors of the error data.
The error data is data representing the deviation between the test data and the historical data under the condition that the same target power failure equipment has power failure. The error factor refers to an actual factor causing error data to appear. The error factors include: weather environmental factors and line aging factors.
Optionally, the test data and the historical data may be input into a pre-trained model, and error data may be output; also can compare test data and historical data based on preset rule, confirm error data, it is specific, compare test data and historical data, confirm error data, include: according to the test data and the historical data, the same power grid equipment affected by the power failure of the target power failure equipment and different power grid equipment affected by the power failure of the target power failure equipment under the condition that the same target power failure equipment has the power failure are determined; and determining error data according to different related information of the power grid equipment affected by the power failure of the target power failure equipment.
For example, if a piece of test data is generated: the power grid equipment O is target power failure equipment, and when the power grid equipment O fails, the affected power grid equipment is determined to be power grid equipment A, power grid equipment B and power grid equipment C; the corresponding historical data is: and when the power grid equipment O is powered off, determining that the affected power grid equipment is power grid equipment A, power grid equipment B, power grid equipment C and power grid equipment D. Then, it can be determined that the same grid device affected by the power failure of the target power failure device is grid device a, grid device B, and grid device C, and the different grid device affected by the power failure of the target power failure device is grid device D, so that an error data is generated as follows: and when the power grid equipment O is in power failure, the power grid equipment D is also in power failure under the influence of error factors.
Optionally, after the error data is determined, the relevant attribute information of the power grid device corresponding to the error data, the environmental information where the power grid device is located, and the line information associated with the power grid device may be acquired and analyzed, so as to determine an error factor causing the error data.
In theory, a certain blackout device is selected based on the topological relation of the power grid devices, and the data information of the power grid devices affected at the downstream of the blackout device is consistent with the data information of the power grid devices affected at the downstream of the blackout device in history. However, in the actual simulation analysis, due to the influence of weather environment or aging of lines and equipment, the situation that the simulation analysis is inconsistent with the historical actual data of the affected equipment can occur, and the data is recorded as error data in the invention.
And S308, updating the test data according to the error data and the error factors of the error data, and training a power failure test model of the power grid equipment.
The power failure test model of the power grid equipment refers to a model for simulating and testing the influence of power failure of different power grid equipment on other power grid equipment in the power grid topological relation in the power grid equipment power failure test system.
Optionally, after the error data and the error factors are determined, the error data and the error factors may be integrated into a new piece of data, and the new piece of data is added to the original test data to complete the update of the test data, so that when the subsequent power failure test model of the power grid equipment determines the power grid equipment affected by the power failure, the power grid equipment affected by the error factors is also used as the power grid equipment affected by the corresponding target power failure equipment.
For example, after performing the above S301-304, the determined test data is: the power grid equipment O is target power failure equipment, and when the power grid equipment O fails, the affected power grid equipment is determined to be power grid equipment A, power grid equipment B and power grid equipment C; the error data is: grid equipment O is the target power failure equipment, and when grid equipment O had a power failure, received the error factor influence, grid equipment D also had a power failure, then can confirm that the test data after the update is: and when the power grid equipment O is in power failure, determining that the affected power grid equipment is power grid equipment A, power grid equipment B and power grid equipment C, and determining that the affected power grid equipment is power grid equipment D. And the subsequent power failure test model of the power grid equipment is based on the updated test data, and the power grid equipment D is considered when the affected power grid equipment is judged when the power grid equipment O has a power failure.
According to the technical scheme of the embodiment of the invention, after the power grid equipment affected by the power failure of the target power failure equipment is determined from other alternative power grid equipment, test data are generated according to the target power failure equipment and the power grid equipment affected by the power failure of the target power failure equipment, the test data are compared with historical data, error data and error factors of the error data are determined, and the test data are updated according to the error data and the error factors of the error data and are used for training a power failure test model of the power grid equipment. By updating the test data, the updated test data is more accurate data capable of supporting intelligent power failure risk simulation analysis, and meanwhile, the correctness of the simulation test is gradually reliable along with the increase of the simulation test times.
Example four
Fig. 4 is a structural diagram of a power outage handling apparatus for power grid equipment according to a fourth embodiment of the present invention, where the power outage handling apparatus for power grid equipment according to the fourth embodiment of the present invention is capable of executing a power outage handling method for power grid equipment according to any one of the embodiments of the present invention, and has functional modules and advantageous effects corresponding to the execution method.
As shown in fig. 4, the apparatus includes:
a relationship determining module 401, configured to determine a preset topological relationship of the power grid device; the power grid equipment topological relation is a connection relation between at least two alternative power grid equipment;
a blackout device determining module 402, configured to determine a target blackout device from the alternative power grid devices associated with the power grid device topological relation;
a voltage determining module 403, configured to determine voltages of the target blackout device and other alternative power grid devices when a blackout operation is performed on the target blackout device; the other alternative power grid equipment is alternative power grid equipment except the target power failure equipment;
an influencing device determining module 404, configured to determine, according to the voltage, the device type of the target blackout device, the device types of other candidate power grid devices, and the topological relation of the power grid devices, a power grid device influenced by blackout of the target blackout device from the other candidate power grid devices.
The technical scheme of the embodiment of the invention comprises the steps of determining a preset topological relation of power grid equipment, determining target power failure equipment from alternative power grid equipment associated with the topological relation of the power grid equipment, determining the voltages of the target power failure equipment and other alternative power grid equipment under the condition of performing power failure operation on the target power failure equipment, and determining the power grid equipment influenced by power failure of the target power failure equipment from other alternative power grid equipment according to the voltages, the equipment type of the target power failure equipment, the equipment types of other alternative power grid equipment and the topological relation of the power grid equipment. The influence of power failure of the power failure equipment on the power grid equipment is determined according to the equipment type of the power failure equipment, the risk caused by power failure of each power grid equipment can be evaluated more comprehensively and accurately, and the method is helpful for relevant personnel to make an accurate operation strategy.
Further, the influencing device determining module 404 may include:
the first determining unit is used for determining alternative downstream equipment of the target power failure equipment from other alternative power grid equipment according to the topological relation of the power grid equipment if the equipment type of the target power failure equipment is a transformer type; the alternative downstream equipment is power grid equipment through which current output from the target power failure equipment flows;
the second determining unit is used for determining the alternative downstream equipment with the equipment type of the transformer type as target downstream equipment;
and the influence equipment determining unit is used for determining the power grid equipment influenced by the power failure of the target power failure equipment from the target downstream equipment according to the topological relation of the power grid equipment, the voltage of the target power failure equipment and the voltage of each target downstream equipment.
Further, the influencing device determining unit is specifically configured to:
according to the topological relation of the power grid equipment, determining first-stage target downstream equipment and second-stage target downstream equipment which are directly connected from all target downstream equipment; the output of the first stage target downstream equipment is connected with the input of the second stage target downstream equipment;
and if the voltage of the first-stage target downstream equipment is greater than that of the second-stage target downstream equipment, determining that the second-stage target downstream equipment is the power grid equipment influenced by the power failure of the target power failure equipment.
Further, the influencing device determining module 404 is further configured to:
if the equipment type of the target power failure equipment is a non-transformer type except for switching equipment, and alternative downstream equipment with the equipment type being a transformer type does not exist in the alternative downstream equipment of the target power failure equipment, determining that power grid equipment influenced by power failure of the target power failure equipment does not exist in other alternative power grid equipment;
and if the equipment type of the target power failure equipment is switch equipment and the switch equipment is in a disconnected state, determining the alternative downstream equipment of the target power failure equipment as the power grid equipment influenced by the power failure of the target power failure equipment according to the topological relation of the power grid equipment.
Further, the relationship determining module 401 is specifically configured to:
and according to the attributes of at least two pieces of power grid equipment and the wiring or connection rules between the power grid equipment, building a topological relation graph between the power grid equipment, and determining the topological relation of the power grid equipment.
Further, the above apparatus further comprises:
the test data generation module is used for generating test data according to the target power failure equipment and the power grid equipment affected by the power failure of the target power failure equipment;
the historical data generation module is used for determining the target power failure equipment and the power grid equipment influenced by the power failure of the target power failure equipment from historical operation data of each power grid equipment to generate historical data;
the error data generation module is used for comparing the test data with the historical data to determine error data and error factors of the error data; the error factors include: weather environmental factors and line aging factors;
and the updating module is used for updating the test data according to the error data and the error factors of the error data and is used for training a power failure test model of the power grid equipment.
Further, the error data generation module is specifically configured to:
according to the test data and the historical data, the same power grid equipment affected by the power failure of the target power failure equipment and different power grid equipment affected by the power failure of the target power failure equipment under the condition that the same target power failure equipment has the power failure are determined;
and determining error data according to different related information of the power grid equipment affected by the power failure of the target power failure equipment.
EXAMPLE five
Fig. 5 is a schematic structural diagram of an electronic device according to a fifth embodiment of the present invention. FIG. 5 illustrates a schematic diagram of an electronic device 10 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital assistants, cellular phones, smart phones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 5, the electronic device 10 includes at least one processor 11, and a memory communicatively connected to the at least one processor 11, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, and the like, wherein the memory stores a computer program executable by the at least one processor, and the processor 11 can perform various suitable actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from a storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data necessary for the operation of the electronic apparatus 10 can also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
A number of components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, or the like; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network such as the internet and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various dedicated Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, controller, microcontroller, and so forth. The processor 11 performs the above-described respective methods and processes, such as the power outage processing method of the grid equipment.
In some embodiments, the power outage handling method of the power grid device may be implemented as a computer program tangibly embodied in a computer readable storage medium, such as the storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the power outage handling method of the power grid device described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured by any other suitable means (e.g., by means of firmware) to perform the power outage handling method of the power grid device.
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuitry, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), system on a chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for implementing the methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be performed. A computer program can execute entirely on a machine, partly on a machine, as a stand-alone software package partly on a machine and partly on a remote machine or entirely on a remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. A computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which a user may provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical host and VPS service are overcome.
It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in the present invention may be executed in parallel, sequentially, or in different orders, and are not limited herein as long as the desired results of the technical solution of the present invention can be achieved.
The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A power failure processing method of power grid equipment is characterized by comprising the following steps:
determining a preset topological relation of the power grid equipment; the power grid equipment topological relation is a connection relation between at least two alternative power grid equipment;
determining target power failure equipment from the alternative power grid equipment associated with the topological relation of the power grid equipment;
under the condition that the power failure operation is executed on the target power failure equipment, determining the voltages of the target power failure equipment and other alternative power grid equipment; the other alternative power grid equipment is alternative power grid equipment except the target power failure equipment;
and determining the power grid equipment influenced by the power failure of the target power failure equipment from the other alternative power grid equipment according to the voltage, the equipment type of the target power failure equipment, the equipment types of other alternative power grid equipment and the topological relation of the power grid equipment.
2. The method of claim 1, wherein determining, from the other alternative grid devices, the grid device affected by the outage of the target outage device according to the voltage, the device type of the target outage device, the device types of the other alternative grid devices, and the grid device topological relation, comprises:
if the equipment type of the target power failure equipment is the transformer type, determining alternative downstream equipment of the target power failure equipment from other alternative power grid equipment according to the topological relation of the power grid equipment; the alternative downstream equipment is power grid equipment through which current output from the target power failure equipment flows;
determining the alternative downstream equipment with the equipment type of the transformer type as target downstream equipment;
and determining the power grid equipment influenced by the power failure of the target power failure equipment from the target downstream equipment according to the topological relation of the power grid equipment, the voltage of the target power failure equipment and the voltage of each target downstream equipment.
3. The method of claim 2, wherein determining, from the target downstream devices, the grid devices affected by the outage of the target outage device based on the grid device topology relationship, the voltages of the target outage device and each target downstream device comprises:
according to the topological relation of the power grid equipment, determining first-stage target downstream equipment and second-stage target downstream equipment which are directly connected from all the target downstream equipment; the output of the first-stage target downstream equipment is connected with the input of the second-stage target downstream equipment;
and if the voltage of the first-stage target downstream equipment is greater than that of the second-stage target downstream equipment, determining that the second-stage target downstream equipment is the power grid equipment influenced by the power failure of the target power failure equipment.
4. The method of claim 1, wherein determining, from the other alternative grid devices, the grid device affected by the outage of the target outage device according to the voltage, the device type of the target outage device, the device types of the other alternative grid devices, and the grid device topological relation, comprises:
if the equipment type of the target power failure equipment is a non-transformer type except for switching equipment, and alternative downstream equipment with the equipment type being a transformer type does not exist in the alternative downstream equipment of the target power failure equipment, determining that power grid equipment influenced by power failure of the target power failure equipment does not exist in other alternative power grid equipment;
and if the equipment type of the target power failure equipment is switch equipment and the switch equipment is in a disconnected state, determining the alternative downstream equipment of the target power failure equipment as the power grid equipment influenced by the power failure of the target power failure equipment according to the topological relation of the power grid equipment.
5. The method of claim 1, wherein determining a grid device topological relationship comprises:
and according to the attributes of at least two pieces of power grid equipment and the wiring or connection rules between the power grid equipment, building a topological relation graph between the power grid equipment, and determining the topological relation of the power grid equipment.
6. The method of claim 1, wherein after determining the grid equipment affected by the outage of the target blackout equipment from the other alternative grid equipment, further comprising:
generating test data according to the target power failure equipment and the power grid equipment affected by the power failure of the target power failure equipment;
determining the target power failure equipment and the power grid equipment influenced by the power failure of the target power failure equipment from historical operation data of each power grid equipment, and generating historical data;
comparing the test data with the historical data to determine error data and error factors of the error data; the error factors include: weather environmental factors and line aging factors;
and updating the test data according to the error data and the error factors of the error data, and using the test data for training a power failure test model of the power grid equipment.
7. The method of claim 6, wherein comparing the test data to the historical data to determine error data comprises:
according to the test data and the historical data, the same power grid equipment affected by the power failure of the target power failure equipment and different power grid equipment affected by the power failure of the target power failure equipment under the condition that the same target power failure equipment has the power failure are determined;
and determining error data according to different related information of the power grid equipment affected by the power failure of the target power failure equipment.
8. A power failure processing device of a power grid device is characterized by comprising:
the relation determining module is used for determining a preset topological relation of the power grid equipment; the power grid equipment topological relation is a connection relation between at least two alternative power grid equipment;
the power failure equipment determining module is used for determining target power failure equipment from the alternative power grid equipment associated with the power grid equipment topological relation;
the voltage determining module is used for determining the voltages of the target power failure equipment and other alternative power grid equipment under the condition that the power failure operation is performed on the target power failure equipment; the other alternative power grid equipment is alternative power grid equipment except the target power failure equipment;
and the influence equipment determining module is used for determining the power grid equipment influenced by the power failure of the target power failure equipment from the other alternative power grid equipment according to the voltage, the equipment type of the target power failure equipment, the equipment types of other alternative power grid equipment and the topological relation of the power grid equipment.
9. An electronic device, characterized in that the electronic device comprises:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor, the computer program being executable by the at least one processor to enable the at least one processor to perform the power outage handling method of a power grid device according to any one of claims 1 to 7.
10. A computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions for causing a processor to implement the method for processing the power outage of the power grid equipment according to any one of claims 1-7.
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| CN202211011784.9A CN115438933A (en) | 2022-08-23 | 2022-08-23 | Power failure processing method, device, equipment and medium for power grid equipment |
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