CN110866735B - Method, system and readable storage medium for positioning connection point switch of distribution network line by GIS model - Google Patents
Method, system and readable storage medium for positioning connection point switch of distribution network line by GIS model Download PDFInfo
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Abstract
The invention discloses a method for positioning a connecting point of a distribution network line by using a GIS model.
Description
Technical Field
The invention relates to the technical field of power grid dispatching automation, in particular to a method, a system and a readable storage medium for positioning a distribution network line contact point switch by using a GIS model.
Background
The distribution network line contact point switch is one device which is frequently applied to power grid dispatching management, power distribution network operation and power grid planning, and is one important device which is used for power distribution network looped network power supply and reflects the primary structure perfection degree of a power grid. However, heretofore, it has been necessary to know the tie-point switch of a line or a feeder line group, basically by manually looking up a single line diagram of the line, looking up a line equipment ledger, and analyzing by a manual accounting method. In the power distribution network line, the power supply mode can be adjusted frequently because the power grid load changes frequently. After the power supply mode is adjusted, the distribution network line contact point switch can be correspondingly changed, the manual maintenance of the distribution network line contact point switch becomes very difficult, and the workload is very large. In order to quickly and effectively automatically count and maintain the network point switch of the distribution network line, the method is a problem to be solved.
At present, a power system distribution network GIS (geographic information system) is widely used in various places, and maintenance personnel can form complete network topological relations of a power distribution network and equipment information such as all switches, towers and the like of the line by only inputting line edge layout and equipment production account information synchronization in the GIS system. Meanwhile, the GIS system transmits the topological connection relation, equipment information, switching conditions of a switch and a disconnecting link and the like of the power distribution network line to other peripheral systems through a CIM (common information model) for power grid analysis. In addition, because the power sources of the distribution network lines in most areas come from different 220kV substations, namely, different power sources, certain passing current is generated when the lines are closed, most ring network points are operated in an OPEN loop mode, namely, the state of a contact point switch is OPEN.
Disclosure of Invention
Aiming at the technical defects that the manual maintenance of the connection point switch of the distribution network line is difficult and the workload is very large in the prior art, the invention provides a method for positioning the connection point switch of the distribution network line by utilizing a GIS model, which adopts the following technical scheme:
the GIS system transmits the topological connection relation, equipment information, the switching conditions of the switch and the disconnecting link and the like of the power distribution network line to other peripheral systems through a CIM (common information model) for power grid analysis. After the peripheral analysis system obtains the CIM model, the device information, the switch state information, the connection relation among the devices and the like in the CIM model are respectively put into a relational database through an ETL tool. After the information was put in storage, the following analysis was performed.
A method for positioning a distribution network line contact point switch by utilizing a GIS model comprises the following steps:
s1, obtaining a model configuration file with the type of xml from a GIS model library to a local place;
s2, analyzing the model configuration file to obtain required equipment information;
s3, analyzing an on-site load switch, an on-site breaker, a transformer substation table and a feeder table of which the switch states are on in the obtained model, and obtaining a distribution network line switch at a determined position;
s4, analyzing transformer substation outlet switches at two ends of a distribution network line switch through a topological connection relationship, and defining the transformer substation outlet switches as distribution network line contact point switches;
s5, the analyzed distribution network line interconnecting point switch is associated with a feeder line table, a branch line table and a transformer substation table, and the distribution network line interconnecting point switch with a determined position is obtained;
s6, determining a local side line and a contralateral line according to switch IDs in the load switch, the circuit breaker and the isolating switch;
s7, outputting the transformer substation, the feeder line and the branch line of the line on the side, and switching the detailed position of the connecting point of the distribution network line and the transformer substation, the feeder line and the branch line of the line on the opposite side.
In a preferred embodiment, the model configuration file is an XML format file.
In a preferred scheme, the basic information of the on-site load switch and the on-site breaker with the on-site load switch state comprises a transformer substation and a feeder line to which the on-site load switch and the on-site breaker belong.
In a preferred scheme, the distribution network line switch traces back the left and right ends of the distribution network line switch through a topological relation, and the distribution network line switch traces back to the transformer substation outlet switch and is defined as a distribution network line contact point switch.
In a preferred embodiment, each device table parsed from the GIS model has a field (source_filename) for recording the configuration file from which the record of the device table comes.
In a preferred embodiment, the one switch ID corresponds to a distribution network line tie-point switch.
In a preferred embodiment, the specific step of S7 is as follows:
s71, grouping with a switch ID (mrid) and a field (source_filename); secondly, firstly sorting according to the descending order of dates in source_filename,
s72, if the dates are the same, sorting in descending order according to whether the scheduling numbers in the field source_filename are the same as the scheduling numbers of the feeder lines, wherein the same is 1, and the different is 0;
s73, selecting the first record in the order in the packet as a local line, and selecting the second record in the order as a contralateral line if a plurality of records exist in the packet.
In a preferred embodiment, the step S2 is implemented by parsing the model configuration file through an ETL tool.
The second aspect of the present invention provides a system for positioning a distribution network line contact point switch by using a GIS model, comprising a memory and a processor, wherein the memory includes a method program for positioning a distribution network line contact point switch by using a GIS model, and the method program for positioning a distribution network line contact point switch by using a GIS model, when executed by the processor, implements the following steps:
s1, obtaining a model configuration file with the type of xml from a GIS model library to a local place;
s2, analyzing the model configuration file to obtain required equipment information;
s3, analyzing an on-site load switch, an on-site breaker, a transformer substation table and a feeder table of which the switch states are on in the obtained model, and obtaining a distribution network line switch at a determined position;
s4, analyzing transformer substation outlet switches at two ends of a distribution network line switch through a topological connection relationship, and defining the transformer substation outlet switches as distribution network line contact point switches;
s5, the analyzed distribution network line interconnecting point switch is associated with a feeder line table, a branch line table and a transformer substation table, and the distribution network line interconnecting point switch with a determined position is obtained;
s6, determining a local side line and a contralateral line according to switch IDs in the load switch, the circuit breaker and the isolating switch;
s7, outputting a transformer substation, a feeder line and a branch line of the line on the side; the detailed position of the distribution network line contact point switch; substation, feeder, branch line of contralateral line.
A third aspect of the present invention provides a computer readable storage medium, where the computer readable storage medium includes a method for positioning a distribution network line contact switch using a GIS model, where the method for positioning a distribution network line contact switch using a GIS model is executed by a processor, to implement the steps of the method for positioning a distribution network line contact switch using a GIS model as described above.
Compared with the prior art, the invention has the beneficial effects that:
according to the method for positioning the connecting point switch of the distribution network line by using the GIS model, the GIS model is used for transmitting the topological connection relation, the equipment information, the switching and disconnecting conditions of the distribution network line to other peripheral systems for power grid analysis by using the CIM model, so that the connecting point switch of the distribution network line is positioned quickly, and the workload is reduced.
Drawings
Fig. 1 is a use state diagram of a method for positioning a distribution network line contact point switch by using a GIS model according to the present invention.
Fig. 2 is a block diagram of a system for positioning a distribution network line contact point switch by using a GIS model according to the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, which are only for illustration and not to be construed as limitations of the present patent. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Example 1
A method for positioning a distribution network line contact point switch by using a GIS model is shown in figure 1, and comprises the following steps:
s1, obtaining a model configuration file with the type of xml from a GIS model library to a local place;
s2, analyzing a model configuration file to obtain information of 25 types of equipment including a load switch, a circuit breaker, a column isolating switch, a transformer substation, a feeder line, a branch line and an electric room;
s3, analyzing an on-site load switch, an on-site breaker, a transformer substation table and a feeder table of which the switch states are on in the obtained model, and obtaining a distribution network line switch at a determined position;
s4, analyzing transformer substation outlet switches at two ends of a distribution network line switch through a topological connection relationship, and defining the transformer substation outlet switches as distribution network line contact point switches;
s5, the analyzed distribution network line interconnecting point switch is associated with a feeder line table, a branch line table and a transformer substation table, and the distribution network line interconnecting point switch with a determined position is obtained;
s6, determining a local side line and a contralateral line according to switch IDs in the load switch, the circuit breaker and the isolating switch;
s7, outputting a transformer substation, a feeder line and a branch line of the line on the side; the detailed position of the distribution network line contact point switch; substation, feeder, branch line of contralateral line.
In a preferred embodiment, the model configuration file is an XML format file.
In a preferred scheme, the basic information of the on-site load switch and the on-site breaker with the on-site load switch state comprises a transformer substation and a feeder line to which the on-site load switch and the on-site breaker belong.
In a preferred scheme, the distribution network line switch traces back the left and right ends of the distribution network line switch through a topological relation, and the distribution network line switch traces back to the transformer substation outlet switch and is defined as a distribution network line contact point switch.
In a preferred embodiment, each device table parsed from the GIS model has a field for recording a configuration file from which the record of the device table comes, for example, a source_filename of a record of the device table is 'city east substation_720_fedr_2018012193827. Xml', which indicates that the record is parsed from the configuration file 'city east substation_720_fedr_2018010193827. Xml'. Meanwhile, the source_filename comprises a transformer substation (city east transformer substation) to which the line belongs, a line scheduling number (720) and a last modification date (20180112193827) of the configuration file.
In a preferred embodiment, the one switch ID corresponds to a distribution network line tie-point switch.
In a preferred embodiment, the specific step of S7 is as follows:
s71, grouping by a field mrid and a source_filename; secondly, firstly sorting according to the descending order of dates in source_filename,
s72, if the dates are the same, sorting in descending order according to whether the scheduling numbers in the field source_filename are the same as the scheduling numbers of the feeder lines, wherein the same is 1, and the different is 0;
s73, selecting the first record in the order in the packet as a local line, and selecting the second record in the order as a contralateral line if a plurality of records exist in the packet.
In a preferred embodiment, the step S2 is implemented by parsing the model configuration file through an ETL tool.
Example 2
In a second aspect of the present invention, a system for positioning a connection point switch of a distribution network line by using a GIS model is provided, as shown in fig. 2, and includes a memory and a processor, where the memory includes a method program for positioning a connection point switch of a distribution network line by using a GIS model, and the method program for positioning a connection point switch of a distribution network line by using a GIS model when executed by the processor implements the following steps:
s1, obtaining a model configuration file with the type of xml from a GIS model library to a local place;
s2, analyzing the model configuration file to obtain required equipment information;
s3, analyzing an on-site load switch, an on-site breaker, a transformer substation table and a feeder table of which the switch states are on in the obtained model, and obtaining a distribution network line switch at a determined position;
s4, analyzing transformer substation outlet switches at two ends of a distribution network line switch through a topological connection relationship, and defining the transformer substation outlet switches as distribution network line contact point switches;
s5, the analyzed distribution network line interconnecting point switch is associated with a feeder line table, a branch line table and a transformer substation table, and the distribution network line interconnecting point switch with a determined position is obtained;
s6, determining a local side line and a contralateral line according to switch IDs in the load switch, the circuit breaker and the isolating switch;
s7, outputting a transformer substation, a feeder line and a branch line of the line on the side; the detailed position of the distribution network line contact point switch; substation, feeder, branch line of contralateral line.
A third aspect of the present invention provides a computer readable storage medium, where the computer readable storage medium includes a method for positioning a distribution network line contact switch using a GIS model, where the method for positioning a distribution network line contact switch using a GIS model is executed by a processor, to implement the steps of the method for positioning a distribution network line contact switch using a GIS model as described above.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (9)
1. The method for positioning the connection point switch of the distribution network line by utilizing the GIS model is characterized by comprising the following steps of:
s1, obtaining a model configuration file with the type of xml from a GIS model library to a local place;
s2, analyzing the model configuration file to obtain required equipment information;
s3, analyzing an on-site load switch, an on-site breaker, a transformer substation table and a feeder table of which the switch states are on in the obtained model, and obtaining a distribution network line switch at a determined position;
s4, analyzing transformer substation outlet switches at two ends of a distribution network line switch through a topological connection relationship, and defining the transformer substation outlet switches as distribution network line contact point switches;
s5, the analyzed distribution network line interconnecting point switch is associated with a feeder line table, a branch line table and a transformer substation table, and the distribution network line interconnecting point switch with a determined position is obtained;
s6, determining a local side line and a contralateral line according to switch IDs in the load switch, the circuit breaker and the isolating switch;
s7, outputting a transformer substation, a feeder line and a branch line of the line on the side; the detailed position of the distribution network line contact point switch; a transformer substation, a feeder line and a branch line of the opposite side line; the method specifically comprises the following steps:
s71, grouping with switch IDs and fields; secondly, firstly sorting according to the descending order of the dates in the fields;
s72, if the dates are the same, sorting in descending order according to whether the scheduling numbers in the fields are the same as the scheduling numbers of the feeder lines, wherein the same is 1, and the different is 0;
s73, selecting the first record in the order in the packet as a local line, and selecting the second record in the order as a contralateral line if a plurality of records exist in the packet.
2. The method for positioning and switching connection points of distribution network lines by using a GIS model according to claim 1, wherein the model configuration file is an XML format file.
3. The method for positioning connection points of distribution network lines by using a GIS model according to claim 1, wherein the basic information of the on-off load switch and the on-off circuit breaker in the station comprises a transformer substation and a feeder line to which the on-off load switch and the on-off circuit breaker belong.
4. The method for positioning a distribution network line tie-point switch by using a GIS model according to claim 1, wherein the distribution network line switch traces back the left and right ends of the distribution network line switch through a topological relation, traces back to a transformer substation outlet switch and is defined as a distribution network line tie-point switch.
5. The method for switching connection points of a distribution network line by using a GIS model according to claim 2, wherein each piece of equipment information obtained by parsing the GIS model has a field for recording a configuration file from which the piece of equipment information is recorded.
6. The method for locating a distribution network line tie-point switch using a GIS model according to claim 1, wherein one of said switch IDs corresponds to one of the distribution network line tie-point switches.
7. The method for positioning a distribution network line tie-point switch by using a GIS model according to claim 1, wherein the step S2 is to parse a model configuration file by an ETL tool.
8. A system for positioning a distribution network line contact point switch by using a GIS model, which is applied to the method for positioning a distribution network line contact point switch by using a GIS model according to any one of claims 1 to 7, and is characterized by comprising a memory and a processor, wherein the memory comprises a method program for positioning a distribution network line contact point switch by using a GIS model, and the method program for positioning a distribution network line contact point switch by using a GIS model is executed by the processor and realizes the following steps:
s1, obtaining a model configuration file with the type of xml from a GIS model library to a local place;
s2, analyzing the model configuration file to obtain required equipment information;
s3, analyzing an on-site load switch, an on-site breaker, a transformer substation table and a feeder table of which the switch states are on in the obtained model, and obtaining a distribution network line switch at a determined position;
s4, analyzing transformer substation outlet switches at two ends of a distribution network line switch through a topological connection relationship, and defining the transformer substation outlet switches as distribution network line contact point switches;
s5, the analyzed distribution network line interconnecting point switch is associated with a feeder line table, a branch line table and a transformer substation table, and the distribution network line interconnecting point switch with a determined position is obtained;
s6, determining a local side line and a contralateral line according to switch IDs in the load switch, the circuit breaker and the isolating switch;
s7, outputting a transformer substation, a feeder line and a branch line of the line on the side; the detailed position of the distribution network line contact point switch; substation, feeder, branch line of contralateral line.
9. A computer readable storage medium, wherein the computer readable storage medium includes a method for positioning a distribution network line contact switch by using a GIS model, and the method for positioning a distribution network line contact switch by using a GIS model is executed by a processor, and the steps of the method for positioning a distribution network line contact switch by using a GIS model are implemented according to any one of claims 1 to 7.
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