CN114498940A - Method and related device for checking correctness of connection relation of power system model - Google Patents
Method and related device for checking correctness of connection relation of power system model Download PDFInfo
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- CN114498940A CN114498940A CN202210247555.0A CN202210247555A CN114498940A CN 114498940 A CN114498940 A CN 114498940A CN 202210247555 A CN202210247555 A CN 202210247555A CN 114498940 A CN114498940 A CN 114498940A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
Abstract
The application discloses a method and a related device for checking correctness of a connection relation of a power system model, comprising the following steps of: acquiring a model file of the power system to be inspected; judging whether the ID of each object in the power system model file is unique and whether the object name is unique under the same station, and obtaining a first judgment result; judging whether the correlation attributes of the preset objects in the power system model file are complete or not to obtain a second judgment result; judging whether the attribute contents of the objects in the power system model file are correct or not to obtain a third judgment result; judging whether the topological relation among the objects in the power system model file is correct or not to obtain a fourth judgment result; and analyzing the correctness of the connection relation of the power system model according to the judgment results. By analyzing the attributes of the objects in the model file, whether the model can meet the requirements of other system applications is judged, and the problem that the connection relation of the model is not checked by an effective means in the prior art is solved.
Description
Technical Field
The present application relates to the field of power technologies, and in particular, to a method and a related apparatus for checking correctness of a model connection relationship of a power system.
Background
The power dispatching automation system uses a Common Information Model (CIM) to represent power grid structure information, real-time operation information and uses the CIM to exchange data with other systems. Each object in the model (such as transformer, switch, measurement, etc.) has attributes for describing its basic information, including ID, device name, station to which it belongs, voltage class, associated node, etc. The scheduling programmed operation means that intelligent equipment in the transformer substation replaces an operator to automatically complete the operation of all equipment in one or more intervals, the connection relation of the power system model needs to be checked before the programmed operation, and if the connection relation is not checked, the programmed operation cannot be performed.
The provincial power dispatching automation system needs to splice the prefectural system models to obtain the power grid structure information of the whole province. The correctness of the model connection relation is related to the correctness of the model splicing result. At present, after a dispatching automation system derives a power system model, an effective means is lacked to check the connection relation of the model, and possible problems can not be found before other systems use the model.
Disclosure of Invention
The application provides a method and a related device for checking correctness of a connection relation of a power system model, which are used for solving the technical problem that an effective means is lacked in the prior art to check the connection relation of the model.
In view of the above, a first aspect of the present application provides a method for verifying correctness of a power system model connection relationship, the method including:
acquiring a model file of the power system to be inspected;
judging whether the ID of each object in the power system model file is unique and whether the object name is unique under the same station, and obtaining a first judgment result;
judging whether the correlation attributes of the preset objects in the power system model file are complete or not to obtain a second judgment result; judging whether the attribute contents of the objects in the power system model file are correct or not to obtain a third judgment result; judging whether the topological relation among the objects in the power system model file is correct or not to obtain a fourth judgment result;
and analyzing the correctness of the connection relation of the power system model according to the first judgment result, the second judgment result, the third judgment result and the fourth judgment result.
Optionally, the obtaining a model file of the power system to be checked further includes:
and judging whether the number of the special objects in the power system model file is correct or not to obtain a fifth judgment result.
Optionally, the determining whether each object ID in the power system model file is unique and whether the object name is unique in the same station to obtain a first determination result specifically includes:
when any two object IDs in the power system model file are the same, judging that the connection relation of the power system model is possibly wrong;
and when the object names of the same station in the power system model file are repeated, judging that the connection relation of the power system model is possibly wrong.
Optionally, the determining whether the associated attribute of the preset object in the power system model file is complete to obtain a second determination result specifically includes:
and judging whether the conductive equipment contains a voltage grade attribute, whether the transformer contains a station attribute and whether the capacitive reactance contains a type attribute, if so, the connection relation of the power system model is correct, and if not, the connection relation of the power system model is wrong.
Optionally, the determining whether the attribute contents of the objects in the power system model file are correct to obtain a third determination result specifically includes:
judging whether the gear relation of a tap joint of a transformer in the power system model file is correct, judging whether the tap joint type step length, the positive sequence reactance of a transformer winding, three sides of a three-winding transformer, the high-voltage side of a double-winding transformer, the type of a series capacitive reactance, the rated capacity of a parallel capacitive reactance and the rated capacity of a generator are all filled, if yes, the connection relation of the power system model is correct, and if not, the connection relation of the power system model is wrong.
Optionally, the determining whether the topological relation between the objects in the power system model file is correct to obtain a fourth determination result specifically includes:
and judging whether the terminal numbers of the objects in the power system model file are repeated, whether the common connection points of the terminal numbers are different and whether the voltage grade attributes of the objects with the same terminal numbers are the same, if so, judging that the connection relation of the power system model is correct, otherwise, judging that the connection relation of the power system model is wrong.
Optionally, the determining whether the number of the special objects in the power system model file is correct to obtain a fifth determination result specifically includes:
and judging whether the grounding disconnecting link, the winding, the compensator and the generator in the power system model file have only one terminal and whether the split reactance is three terminals, if so, judging that the connection relation of the power system model is correct, and otherwise, judging that the connection relation of the power system model is wrong.
A second aspect of the present application provides a system for verifying correctness of a connection relationship of a power system model, the system comprising:
the acquisition module is used for acquiring a power system model file to be inspected;
the first judgment module is used for judging whether each object ID in the power system model file is unique and whether the object name is unique under the same station to obtain a first judgment result;
the second judgment module is used for judging whether the correlation attribute of the preset object in the power system model file is complete or not to obtain a second judgment result; judging whether the attribute contents of the objects in the power system model file are correct or not to obtain a third judgment result; judging whether the topological relation among the objects in the power system model file is correct or not to obtain a fourth judgment result;
and the analysis module is used for analyzing the correctness of the connection relation of the power system model according to the first judgment result, the second judgment result, the third judgment result and the fourth judgment result.
A third aspect of the present application provides an apparatus for verifying correctness of a connection relationship of a power system model, the apparatus comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to perform the steps of the method of verifying correctness of a power system model connection relationship as described in the first aspect above, according to instructions in the program code.
A fourth aspect of the present application provides a computer-readable storage medium for storing program code for executing the method for verifying correctness of connection relationship of power system model according to the first aspect.
According to the technical scheme, the method has the following advantages:
the application provides a method for checking correctness of a connection relation of a power system model, which comprises the following steps: acquiring a model file of the power system to be inspected; judging whether the ID of each object in the power system model file is unique and whether the object name is unique under the same station, and obtaining a first judgment result; judging whether the correlation attributes of the preset objects in the power system model file are complete or not to obtain a second judgment result; judging whether the attribute contents of the objects in the power system model file are correct or not to obtain a third judgment result; judging whether the topological relation among the objects in the power system model file is correct or not to obtain a fourth judgment result; and analyzing the correctness of the connection relation of the power system model according to the first judgment result, the second judgment result, the third judgment result and the fourth judgment result.
Compared with the prior art, the method and the device have the advantages that whether the model can meet the requirements of other system applications or not can be judged by analyzing the attributes of the objects in the model file, and a detection means is provided for finding the problem of the model in advance and improving the accuracy of the connection relation of the power system model. When the connection relation of the models is found to have errors, related maintenance work can be carried out in time, the phenomena of function errors and faults when the models are used by other systems are avoided, the accuracy of the power grid sharing information is ensured from the source, and the intelligent operation and maintenance efficiency of the power grid is improved. Therefore, the technical problem that the prior art lacks an effective means for checking the connection relation of the models is solved.
Drawings
Fig. 1 is a schematic flowchart illustrating an embodiment of a method for checking correctness of a connection relationship of a power system model provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of an embodiment of a system for checking correctness of a connection relationship of a power system model provided in an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
Referring to fig. 1, an embodiment of a method for checking correctness of a connection relationship of a power system model provided in the embodiment of the present application includes:
it should be noted that a person skilled in the art may export the latest power system model file from the scheduling automation system, so that the person skilled in the art may obtain various information of the power system model.
102, judging whether the ID of each object in the power system model file is unique and whether the object name is unique under the same station, and obtaining a first judgment result;
the ID uniqueness of the object in the model is checked, and it should be noted that:
the ID is one of the attributes of each object, the IDs of different objects are repeated, the IDs of all the objects are compared, and if the IDs are repeated, the connection relation of the model is represented to be possibly wrong.
The uniqueness of the equipment name of the object under the same station is verified, and it needs to be explained that:
the object must contain the device name attribute and is unique under the same station, and taking a station as an example, the checking method is as follows: reading all objects with the same property of the station, and if the device names of the objects are repeated, indicating that the model connection relation is possibly wrong.
103, judging whether the associated attributes of the preset objects in the power system model file are complete or not to obtain a second judgment result; judging whether the attribute contents of the objects in the power system model file are correct or not to obtain a third judgment result; judging whether the topological relation among the objects in the power system model file is correct or not to obtain a fourth judgment result;
the integrity of the associated attribute of the model object is checked, which needs to be described as follows:
the conductive devices (such as switches, lines and the like) must contain voltage class attributes, the transformer must contain the attributes of the station to which the transformer belongs, the capacitive reactance must provide the type attributes of the capacitive reactance, and if the attributes of the objects are correspondingly lacked, the connection relation of the model is considered to be wrong.
The correctness of the attribute content of the model object is checked, which needs to be explained as follows:
the tap of the transformer needs to be reasonable in gear relation, and the lowest rated value is low or normal or high or highest; tap type step size must be filled in; the positive sequence reactance of the transformer winding needs to be filled, three sides of the three-winding transformer need to be filled, and the high-voltage side of the double-winding transformer needs to be filled; the series reactor type must be filled; the rated capacity of the parallel capacitive reactance must be filled, the rated capacity of the generator must be filled, and the like, and those skilled in the art can also check the correctness of the attribute contents of other objects according to actual needs, which is not described herein again.
The correctness of the topological relation between the model objects is checked, which needs to be explained as follows:
the terminal number is one of the attributes of an object, one object can have a plurality of terminals (namely a plurality of terminal numbers), and the terminal numbers of the multi-terminal equipment should not be repeated; the public connection points found by the multi-terminal equipment according to different terminal numbers are different, if the public connection points are the same, the terminals of the equipment are finally connected together in a ring mode, and the connection relation is wrong; if the two devices have the same terminal number, the two devices are connected, the voltage level attributes of the devices connected with each other should be the same, otherwise, the connection relationship is wrong.
104, judging whether the number of the special objects in the power system model file is correct or not to obtain a fifth judgment result;
it should be noted that, this embodiment checks whether the number of terminals of the special device is correct, and specifically includes the following steps:
judging whether the grounding disconnecting link, the winding, the compensator and the generator only have one terminal, namely one terminal number, if a plurality of terminal numbers exist in the equipment, the model is wrong; the split reactance should have three terminals, otherwise the model is faulty.
And 105, analyzing the correctness of the connection relation of the power system model according to the first judgment result, the second judgment result, the third judgment result, the fourth judgment result and the fifth judgment result.
It is understood that, a person skilled in the art can determine whether the connection relationship of the power system model is correct according to the determination results of the attributes of the objects in the model file, that is, the above-mentioned checking steps are performed on all the objects in the model file, so that whether the connection relationship of the model is correct can be checked.
According to the method and the device, the attributes of the objects in the model file are analyzed, whether the model can meet the requirements of other system applications or not can be judged, and a detection means is provided for finding the problem of the model in advance and improving the accuracy of the connection relation of the power system model. When the connection relation of the models is found to have errors, related maintenance work can be carried out in time, the phenomena of function errors and faults when the models are used by other systems are avoided, the accuracy of the power grid sharing information is ensured from the source, and the intelligent operation and maintenance efficiency of the power grid is improved. Therefore, the technical problem that an effective means for checking the connection relation of the model is lacked in the prior art is solved.
The above is an embodiment of a method for verifying correctness of a connection relationship of a power system model provided in the embodiment of the present application, and the above is an embodiment of a system for verifying correctness of a connection relationship of a power system model provided in the embodiment of the present application.
Referring to fig. 2, an embodiment of a system for checking correctness of a connection relationship of a power system model provided in the embodiment of the present application includes:
an obtaining module 201, configured to obtain a model file of an electric power system to be inspected;
the first judging module 202 is configured to judge whether each object ID in the power system model file is unique and whether an object name is unique in the same station, so as to obtain a first judgment result;
the second judging module 203 is configured to judge whether the associated attribute of the preset object in the power system model file is complete, so as to obtain a second judgment result; judging whether the attribute contents of the objects in the power system model file are correct or not to obtain a third judgment result; judging whether the topological relation among the objects in the power system model file is correct or not to obtain a fourth judgment result;
the analysis module 204 is configured to analyze the correctness of the connection relationship of the power system model according to the first determination result, the second determination result, the third determination result, and the fourth determination result.
Further, the embodiment of the present application also provides an apparatus for checking correctness of a connection relationship of a power system model, where the apparatus includes a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the method for verifying the correctness of the connection relation of the power system model according to the method embodiment according to the instructions in the program code.
Further, the present application also provides a computer-readable storage medium for storing a program code for executing the method for verifying the correctness of the connection relationship of the power system model according to the above method embodiments.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The terms "first," "second," "third," "fourth," and the like in the description of the present application and in the above-described drawings 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 application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise 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 understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A method for verifying correctness of a power system model connection relationship, comprising:
acquiring a model file of the power system to be inspected;
judging whether the ID of each object in the power system model file is unique and whether the object name is unique under the same station, and obtaining a first judgment result;
judging whether the correlation attributes of the preset objects in the power system model file are complete or not to obtain a second judgment result; judging whether the attribute contents of the objects in the power system model file are correct or not to obtain a third judgment result; judging whether the topological relation among the objects in the power system model file is correct or not to obtain a fourth judgment result;
and analyzing the correctness of the connection relation of the power system model according to the first judgment result, the second judgment result, the third judgment result and the fourth judgment result.
2. The method for verifying the correctness of the connection relationship of the power system model according to claim 1, wherein the obtaining of the power system model file to be verified further comprises:
and judging whether the number of the special objects in the power system model file is correct or not to obtain a fifth judgment result.
3. The method for checking the correctness of the connection relationship of the power system model according to claim 1, wherein the determining whether the ID of each object in the power system model file is unique and the name of the object is unique in the same station to obtain a first determination result includes:
when any two object IDs in the power system model file are the same, judging that the connection relation of the power system model is possibly wrong;
and when the object names of the same station in the power system model file are repeated, judging that the connection relation of the power system model is possibly wrong.
4. The method for checking the correctness of the connection relationship of the power system model according to claim 1, wherein the step of judging whether the associated attribute of the preset object in the power system model file is complete to obtain a second judgment result specifically comprises:
and judging whether the conductive equipment contains a voltage grade attribute, whether the transformer contains a station attribute and whether the capacitive reactance contains a type attribute, if so, the connection relation of the power system model is correct, and if not, the connection relation of the power system model is wrong.
5. The method for checking correctness of connection relationships of power system models according to claim 1, wherein the determining whether the attribute contents of the objects in the power system model file are correct to obtain a third determination result specifically includes:
judging whether the gear relation of a tap joint of a transformer in the power system model file is correct, judging whether the tap joint type step length, the positive sequence reactance of a transformer winding, three sides of a three-winding transformer, the high-voltage side of a double-winding transformer, the type of a series capacitive reactance, the rated capacity of a parallel capacitive reactance and the rated capacity of a generator are all filled, if yes, the connection relation of the power system model is correct, and if not, the connection relation of the power system model is wrong.
6. The method for checking the correctness of the connection relationship of the power system model according to claim 1, wherein the step of judging whether the topological relationship between the objects in the power system model file is correct to obtain a fourth judgment result specifically comprises:
and judging whether the terminal numbers of the objects in the power system model file are repeated, whether the common connection points of the terminal numbers are different and whether the voltage grade attributes of the objects with the same terminal numbers are the same, if so, judging that the connection relation of the power system model is correct, otherwise, judging that the connection relation of the power system model is wrong.
7. The method for checking the correctness of the connection relationship of the power system model according to claim 2, wherein the step of judging whether the number of the special objects in the power system model file is correct or not to obtain a fifth judgment result specifically comprises:
and judging whether the grounding disconnecting link, the winding, the compensator and the generator in the power system model file have only one terminal and whether the split reactance is three terminals, if so, judging that the connection relation of the power system model is correct, and otherwise, judging that the connection relation of the power system model is wrong.
8. A system for verifying correctness of a power system model connection relationship, comprising:
the acquisition module is used for acquiring a power system model file to be inspected;
the first judgment module is used for judging whether each object ID in the power system model file is unique and whether the object name is unique under the same station to obtain a first judgment result;
the second judgment module is used for judging whether the correlation attribute of the preset object in the power system model file is complete or not to obtain a second judgment result; judging whether the attribute contents of the objects in the power system model file are correct or not to obtain a third judgment result; judging whether the topological relation among the objects in the power system model file is correct or not to obtain a fourth judgment result;
and the analysis module is used for analyzing the correctness of the connection relation of the power system model according to the first judgment result, the second judgment result, the third judgment result and the fourth judgment result.
9. An apparatus for verifying correctness of a power system model connection relationship, the apparatus comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the method for verifying the correctness of the connection relation of the power system model according to any one of claims 1 to 7 according to instructions in the program code.
10. A computer-readable storage medium for storing program code for executing the method for verifying correctness of connection relationship of power system model according to any one of claims 1 to 7.
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