CN117805477A - Method, system, terminal and storage medium for calculating line loss electric quantity of tie switch - Google Patents

Method, system, terminal and storage medium for calculating line loss electric quantity of tie switch Download PDF

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Publication number
CN117805477A
CN117805477A CN202311721805.0A CN202311721805A CN117805477A CN 117805477 A CN117805477 A CN 117805477A CN 202311721805 A CN202311721805 A CN 202311721805A CN 117805477 A CN117805477 A CN 117805477A
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China
Prior art keywords
switch
tie
power
information
record table
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CN202311721805.0A
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Chinese (zh)
Inventor
郭艳
李建修
吕东飞
魏云飞
马健
马涛
高尚
刘刚
董克前
于洋
李松
钟庆国
孙嘉欣
王怀旭
车慧敏
刘梦令
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Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Priority to CN202311721805.0A priority Critical patent/CN117805477A/en
Publication of CN117805477A publication Critical patent/CN117805477A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the technical field of power supply, and particularly provides a line loss electric quantity calculation method, a system, a terminal and a storage medium of a tie switch, wherein the method comprises the following steps: monitoring remote signaling deflection information of a contact switch, and writing the remote signaling deflection information into a record table, wherein the remote signaling deflection information comprises a closing event and a separating event; calculating the transfer power quantity of the tie switch based on the record table and the power data of the tie line corresponding to the tie switch; and transmitting the transfer power to a remote terminal so that the remote terminal calculates the line loss power based on the transfer power. The invention can accurately monitor the transfer power quantity of the tie switch, thereby improving the accuracy of line loss calculation.

Description

Method, system, terminal and storage medium for calculating line loss electric quantity of tie switch
Technical Field
The invention belongs to the technical field of power supply, and particularly relates to a line loss electric quantity calculation method, a system, a terminal and a storage medium of a tie switch.
Background
Line loss management is an important content of modern management of power enterprises, and is significant for reducing electric energy loss, optimizing a power distribution network structure, planning and designing a power grid and the like by developing power grid line loss calculation work. The line loss calculation analysis can estimate and evaluate the line loss condition of the line by measuring and calculating the relevant parameters such as current, voltage, power and the like of the power supply system. By comparing the line loss rates of different lines, the line with a larger line loss problem can be found, so that targeted optimization and improvement are performed.
The transfer-in and transfer-out electric quantity of the interconnection switch is important data in line loss calculation, and the problems of electric quantity metering, direction judgment, data access, model configuration and the like are faced, so that the transfer-in electric quantity of the interconnection switch cannot be accurately calculated in the prior art.
Disclosure of Invention
The invention provides a method, a system, a terminal and a storage medium for calculating the line loss electric quantity of a tie switch to solve the technical problems.
In a first aspect, the present invention provides a method for calculating a line loss electric quantity of a tie switch, including:
monitoring remote signaling deflection information of a contact switch, and writing the remote signaling deflection information into a record table, wherein the remote signaling deflection information comprises a closing event and a separating event;
calculating the transfer power quantity of the tie switch based on the record table and the power data of the tie line corresponding to the tie switch;
and transmitting the transfer power to a remote terminal so that the remote terminal calculates the line loss power based on the transfer power.
In an alternative embodiment, monitoring the remote signaling deflection information of the tie switch, and writing the remote signaling deflection information into the record table, wherein the remote signaling deflection information comprises a closing event and a separating event, and the method comprises the following steps:
monitoring remote signaling deflection information, and analyzing an operation object, an operation type and operation time of the remote signaling deflection information, wherein the operation type comprises switching on or switching off;
if the operation object is a contact switch and the operation type is a switch-on, writing the identity information of the contact switch, the operation type and the operation time into a record table;
and if the operation object is a contact switch and the operation type is a brake release, inquiring the record information of the contact switch from a record table and deleting the record information.
In an alternative embodiment, calculating the transfer power amount of the tie switch based on the record table and the power data of the tie line corresponding to the tie switch includes:
acquiring a tie line corresponding to the tie switch based on the power grid topology and the identity information of the tie switch;
after the identity information of the interconnection switch is written into a record table, periodically collecting power data of an interconnection line corresponding to the interconnection switch, wherein the power data comprise current, voltage and active power;
integrating calculation is carried out on the electric power data to obtain the transfer power quantity of the interconnection switch;
storing the transfer power to a real-time library;
and after deleting the identity information of the tie switch from the record table, stopping collecting the power data of the tie line.
In an alternative embodiment, the transferring power is sent to the remote terminal, so that the remote terminal calculates the line loss power based on the transferring power, including:
calculating an accumulated result of the transfer power of the tie switch in the real-time library;
judging whether the identity information of the tie switch exists in the record table or not:
if yes, uploading the sum of the latest calculated transfer power quantity of the unreported real-time library and the accumulated result to a remote terminal as the total transfer power quantity;
if not, the accumulated result is used as the total transfer power quantity to be uploaded to the remote terminal.
In a second aspect, the present invention provides a line loss electric quantity calculating system of a tie switch, including:
the remote signaling monitoring module is used for monitoring the remote signaling deflection information of the interconnection switch and writing the remote signaling deflection information into the record table, wherein the remote signaling deflection information comprises a closing event and a separating event;
the electric quantity calculation module is used for calculating the transfer electric quantity of the interconnection switch based on the record table and the electric power data of the interconnection line corresponding to the interconnection switch;
and the data reporting module is used for sending the transfer power to the remote terminal so that the remote terminal calculates the line loss power based on the transfer power.
In an alternative embodiment, the remote signaling monitoring module includes:
the information monitoring unit is used for monitoring the remote signaling deflection information and analyzing an operation object, an operation type and operation time of the remote signaling deflection information, wherein the operation type comprises switching on or switching off;
the information recording unit is used for writing the identity information, the operation type and the operation time of the contact switch into a recording table if the operation object is the contact switch and the operation type is a switch-on;
and the information deleting unit is used for inquiring the record information of the contact switch from the record table and deleting the record information if the operation object is the contact switch and the operation type is the opening.
In an alternative embodiment, the power calculation module includes:
the information acquisition unit is used for acquiring a tie line corresponding to the tie switch based on the power grid topology and the identity information of the tie switch;
the data acquisition unit is used for periodically acquiring power data of a tie line corresponding to the tie switch after the identity information of the tie switch is written into the record table, wherein the power data comprises current, voltage and active power;
the integral calculation unit is used for carrying out integral calculation on the electric power data to obtain the transfer power quantity of the tie switch;
the electric quantity storage unit is used for storing the transfer electric quantity to a real-time library;
and the deletion processing unit is used for stopping collecting the power data of the interconnecting link after deleting the identity information of the interconnecting link from the record table.
In an alternative embodiment, the data reporting module includes:
the accumulated calculation unit is used for calculating an accumulated result of the transfer power quantity of the tie switch in the real-time library;
the judging unit is used for judging whether the identity information of the tie switch exists in the record table or not;
the first reporting unit is used for uploading the sum of the transfer power quantity of the unreported real-time library which is calculated recently and the accumulated result to a remote terminal as the total transfer power quantity if the identity information of the tie switch exists in the record table;
and the second reporting unit is used for uploading the accumulated result to a remote terminal as total transfer power if the identity information of the contact switch does not exist in the record list.
In a third aspect, a terminal is provided, including:
a processor, a memory, wherein,
the memory is used for storing a computer program,
the processor is configured to call and run the computer program from the memory, so that the terminal performs the method of the terminal as described above.
In a fourth aspect, there is provided a computer storage medium having instructions stored therein which, when run on a computer, cause the computer to perform the method of the above aspects.
The method, the system, the terminal and the storage medium for calculating the line loss electric quantity of the interconnection switch have the advantages that an integral electric quantity calculation program is deployed, the interconnection switch and the corresponding interconnection line are added into the interconnection feeder corresponding table of the distribution network by monitoring the remote signaling deflection information, and the transfer electric quantity of the interconnection switch is calculated. The invention can accurately monitor the transfer power quantity of the tie switch, thereby improving the accuracy of line loss calculation.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic flow chart of a method of one embodiment of the invention.
FIG. 2 is a schematic block diagram of a system of one embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution 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 apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The following explains key terms appearing in the present invention.
And the interconnection switch transfers the load of the fault power supply to the other power supply through the interconnection switch when one power supply fails during double-power supply, so that the power supply reliability is improved.
The line loss calculation works as a core for reducing the loss, and the method solves the following three problems for the line loss calculation. Firstly, the real-time collection of the transfer power of the automatic tie switch is realized. The distribution automation switch has the functions of remote measurement, remote signaling and conventional metering, voltage and current values are collected every five minutes, real-time active power is obtained through calculation, the real-time active power is uploaded to a distribution network master station through communication modes such as optical fibers or wireless, and the distribution network master station performs integral calculation on power information collected every five minutes, so that transfer power in a connection period is obtained. Secondly, the problem of judging the direction of the electric quantity is solved. The distribution network contact mode is complex, the transfer mode is not fixed, and transfer-in and transfer-out are required to be judged according to actual conditions. The power distribution automation master station system is used for tracking up to a power supply substation according to the real-time topology of the switching state of the contact switch, and the obtained power supply substation information is used for determining the forward direction and the reverse direction of the electric quantity. And thirdly, the data access problem is solved, and the data interfaces of the power distribution automation system and the synchronous line loss system are increased. After the forward and reverse integral electric quantity is formed in the distribution automation system, the distribution automation system is connected with a power supply service information platform, and is connected with a synchronous line loss system through a service platform interface. By the application of the method, the accuracy of integral electric quantity calculation is improved, and the economical and reasonable operation of the power distribution network is effectively ensured.
The method for calculating the line loss electric quantity of the interconnection switch provided by the embodiment of the invention is executed by the computer equipment, and correspondingly, the system for calculating the line loss electric quantity of the interconnection switch is operated in the computer equipment.
FIG. 1 is a schematic flow chart of a method of one embodiment of the invention. The execution body of fig. 1 may be a line loss electric quantity calculating system of the tie switch. The order of the steps in the flow chart may be changed and some may be omitted according to different needs.
As shown in fig. 1, the method includes:
step 110, monitoring remote signaling deflection information of a tie switch, and writing the remote signaling deflection information into a record table, wherein the remote signaling deflection information comprises a closing event and a separating event;
step 120, calculating the transfer power of the tie switch based on the record table and the power data of the tie line corresponding to the tie switch;
and step 130, transmitting the transfer power to a remote terminal so that the remote terminal calculates the line loss power based on the transfer power.
In order to facilitate understanding of the present invention, the method for calculating the line loss electric quantity of the tie switch provided by the present invention is further described below by combining the process of calculating the line loss electric quantity of the tie switch in the embodiment.
Specifically, the method for calculating the line loss electric quantity of the interconnection switch comprises the following steps:
s1, monitoring remote signaling deflection information of a contact switch, and writing the remote signaling deflection information into a record table, wherein the remote signaling deflection information comprises a closing event and a separating event.
Monitoring remote signaling deflection information, and analyzing an operation object, an operation type and operation time of the remote signaling deflection information, wherein the operation type comprises switching on or switching off; if the operation object is a contact switch and the operation type is a switch-on, writing the identity information of the contact switch, the operation type and the operation time into a record table; and if the operation object is a contact switch and the operation type is a brake release, inquiring the record information of the contact switch from a record table and deleting the record information.
DTU "remote signaling" function: collecting at least 4 public remote signaling: an alternating current input state, a battery charge-discharge state, a battery under-voltage state, and a remote/local control state; collecting at least 4 paths of remote signaling of each line; the line remote signaling generally comprises a switch state, an isolation switch state, a grounding switch state, an energy storage state and the like, and a fault indicator is output; event sequence records (SOEs) are generated when the remote signaling is shifted.
And monitoring SOE, and analyzing the operation object, the operation type and the operation time of the remote signaling deflection information. If the switch type is a contact switch, the record is inserted into a distribution network transfer integration electricity meter, namely a record meter. If the remote signaling deflection switching-off is monitored, if the switch type is a tie switch, searching a distribution network switching-over integral electricity meter, and if the distribution network switching-over integral electricity meter exists, deleting a corresponding record in the distribution network switching-over integral electricity meter.
S2, calculating the transfer power quantity of the interconnection switch based on the record table and the power data of the interconnection line corresponding to the interconnection switch.
Acquiring a tie line corresponding to the tie switch based on the power grid topology and the identity information of the tie switch; after the identity information of the interconnection switch is written into a record table, periodically collecting power data of an interconnection line corresponding to the interconnection switch, wherein the power data comprise current, voltage and active power; integrating calculation is carried out on the electric power data to obtain the transfer power quantity of the interconnection switch; storing the transfer power to a real-time library; and after deleting the identity information of the tie switch from the record table, stopping collecting the power data of the tie line.
The power data of the tie line is collected every 5 minutes. The integrated power is supplied within the last hour (the closing time is calculated in the last hour):
active calculation is adopted for collecting active values, and if sampling is carried out for 5 minutes, the integral electric quantity is P1 x 1/12+P2 x 1/12+P3 x 1/12 …
Calculating voltage and current without collecting active value, if sampling is 5 minutes, integrating electric quantity is
And calculating the integral transfer power of one hour, and storing the integral transfer power in a real-time library. When the switching-on time of the interconnection switch is less than one hour, the switching-on is started, the integral electric quantity during switching-on is calculated when the switching-on is started, and the obtained integral electric quantity is stored in a real-time library. If the remote signaling deflection switching off is monitored, if the switch type is a contact switch, searching a distribution network switching integration electricity supply meter, if the distribution network switching integration electricity supply meter exists, deleting corresponding records in the distribution network switching integration electricity supply meter, recalculating the current day switching integration electricity supply quantity and the current switching on integration electricity supply quantity of the records, and writing the current day switching on integration electricity supply quantity and the current switching on integration electricity supply quantity into a distribution network switching integration electricity supply quantity history table.
The real-time library gathers the integrated electric quantity of the same tie switch in one day.
And S3, transmitting the transfer power to a remote terminal so that the remote terminal calculates the line loss power based on the transfer power.
Calculating an accumulated result of the transfer power of the tie switch in the real-time library; judging whether the identity information of the tie switch exists in the record table or not: if yes, uploading the sum of the latest calculated transfer power quantity of the unreported real-time library and the accumulated result to a remote terminal as the total transfer power quantity; if not, the accumulated result is used as the total transfer power quantity to be uploaded to the remote terminal.
And calculating records in the distribution network transfer integration electricity meter in the real-time library once every hour, and updating the distribution network transfer integration electricity meter in the real-time library and the commercial library. And after the calculation of 0 am on the next day, writing all records into a distribution network conversion integral electric quantity history table, and converting the current day of the distribution network conversion integral electric quantity into integral electric quantity clear 0.
Specifically, the current switching-on power supply integral electric quantity is calculated:
the current switching-on switching-off integrated electric quantity=the current switching-on switching-off integrated electric quantity+the latest one-hour switching-on switching-off integrated electric quantity in a real-time library.
The method for calculating the line loss by the remote terminal includes:
input electric quantity: 10kV outgoing line total power (+distributed internet power+interconnection switch transfer-in) of transformer substation
Output electric quantity: sigma general change total electric quantity + sigma special change user total electric quantity (+ total electric quantity is poured out + a contact switch is turned out)
Line loss rate= (input electric quantity-output electric quantity)/input electric quantity
In some embodiments, the line loss power calculation system of the tie switch may include a plurality of functional modules composed of computer program segments. The computer program of each program segment in the line loss calculation system of the tie switch may be stored in a memory of the computer device and executed by at least one processor to perform the function of line loss calculation of the tie switch (described in detail with reference to fig. 1).
In this embodiment, the line loss electricity calculation system of the interconnection switch may be divided into a plurality of functional modules according to the functions performed by the line loss electricity calculation system, as shown in fig. 2. The functional modules of system 200 may include: the remote signaling monitoring module 210, the electric quantity calculating module 220 and the data reporting module 230. The module referred to in the present invention refers to a series of computer program segments capable of being executed by at least one processor and of performing a fixed function, stored in a memory. In the present embodiment, the functions of the respective modules will be described in detail in the following embodiments.
The remote signaling monitoring module is used for monitoring the remote signaling deflection information of the interconnection switch and writing the remote signaling deflection information into the record table, wherein the remote signaling deflection information comprises a closing event and a separating event;
the electric quantity calculation module is used for calculating the transfer electric quantity of the interconnection switch based on the record table and the electric power data of the interconnection line corresponding to the interconnection switch;
and the data reporting module is used for sending the transfer power to the remote terminal so that the remote terminal calculates the line loss power based on the transfer power.
Optionally, as an embodiment of the present invention, the remote signaling monitoring module includes:
the information monitoring unit is used for monitoring the remote signaling deflection information and analyzing an operation object, an operation type and operation time of the remote signaling deflection information, wherein the operation type comprises switching on or switching off;
the information recording unit is used for writing the identity information, the operation type and the operation time of the contact switch into a recording table if the operation object is the contact switch and the operation type is a switch-on;
and the information deleting unit is used for inquiring the record information of the contact switch from the record table and deleting the record information if the operation object is the contact switch and the operation type is the opening.
Optionally, as an embodiment of the present invention, the power calculation module includes:
the information acquisition unit is used for acquiring a tie line corresponding to the tie switch based on the power grid topology and the identity information of the tie switch;
the data acquisition unit is used for periodically acquiring power data of a tie line corresponding to the tie switch after the identity information of the tie switch is written into the record table, wherein the power data comprises current, voltage and active power;
the integral calculation unit is used for carrying out integral calculation on the electric power data to obtain the transfer power quantity of the tie switch;
the electric quantity storage unit is used for storing the transfer electric quantity to a real-time library;
and the deletion processing unit is used for stopping collecting the power data of the interconnecting link after deleting the identity information of the interconnecting link from the record table.
Optionally, as an embodiment of the present invention, the data reporting module includes:
the accumulated calculation unit is used for calculating an accumulated result of the transfer power quantity of the tie switch in the real-time library;
the judging unit is used for judging whether the identity information of the tie switch exists in the record table or not;
the first reporting unit is used for uploading the sum of the transfer power quantity of the unreported real-time library which is calculated recently and the accumulated result to a remote terminal as the total transfer power quantity if the identity information of the tie switch exists in the record table;
and the second reporting unit is used for uploading the accumulated result to a remote terminal as total transfer power if the identity information of the contact switch does not exist in the record list.
Fig. 3 is a schematic structural diagram of a terminal 300 according to an embodiment of the present invention, where the terminal 300 may be used to execute the line loss electric quantity calculating method of the tie switch according to the embodiment of the present invention.
The terminal 300 may include: processor 310, memory 320, and communication module 330. The components may communicate via one or more buses, and it will be appreciated by those skilled in the art that the configuration of the server as shown in the drawings is not limiting of the invention, as it may be a bus-like structure, a star-like structure, or include more or fewer components than shown, or may be a combination of certain components or a different arrangement of components.
The memory 320 may be used to store instructions for execution by the processor 310, and the memory 320 may be implemented by any type of volatile or non-volatile memory terminal or combination thereof, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk, or optical disk. The execution of the instructions in memory 320, when executed by processor 310, enables terminal 300 to perform some or all of the steps in the method embodiments described below.
The processor 310 is a control center of the storage terminal, connects various parts of the entire electronic terminal using various interfaces and lines, and performs various functions of the electronic terminal and/or processes data by running or executing software programs and/or modules stored in the memory 320, and invoking data stored in the memory. The processor may be comprised of an integrated circuit (Integrated Circuit, simply referred to as an IC), for example, a single packaged IC, or may be comprised of a plurality of packaged ICs connected to the same function or different functions. For example, the processor 310 may include only a central processing unit (Central Processing Unit, simply CPU). In the embodiment of the invention, the CPU can be a single operation core or can comprise multiple operation cores.
And a communication module 330, configured to establish a communication channel, so that the storage terminal can communicate with other terminals. Receiving user data sent by other terminals or sending the user data to other terminals.
The present invention also provides a computer storage medium in which a program may be stored, which program may include some or all of the steps in the embodiments provided by the present invention when executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), a random-access memory (random access memory, RAM), or the like.
Therefore, the invention deploys an integral electric quantity calculation program, adds the interconnection switch and the corresponding interconnection line to the interconnection feeder line corresponding table of the distribution network by monitoring the remote signaling deflection information, and calculates the transfer electric quantity of the interconnection switch. The invention can accurately monitor the transfer power of the tie switch, thereby improving the accuracy of line loss calculation, and the technical effects achieved by the embodiment can be seen from the description above, and the description is omitted here.
It will be apparent to those skilled in the art that the techniques of embodiments of the present invention may be implemented in software plus a necessary general purpose hardware platform. Based on such understanding, the technical solution in the embodiments of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium such as a U-disc, a mobile hard disc, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk or an optical disk, etc. various media capable of storing program codes, including several instructions for causing a computer terminal (which may be a personal computer, a server, or a second terminal, a network terminal, etc.) to execute all or part of the steps of the method described in the embodiments of the present invention.
The same or similar parts between the various embodiments in this specification are referred to each other. In particular, for the terminal embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and reference should be made to the description in the method embodiment for relevant points.
In the several embodiments provided by the present invention, it should be understood that the disclosed systems and methods may be implemented in other ways. For example, the system embodiments described above are merely illustrative, e.g., the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple modules or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with respect to each other may be through some interface, indirect coupling or communication connection of systems or modules, electrical, mechanical, or other form.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical modules, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in each embodiment of the present invention may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The method for calculating the line loss electric quantity of the interconnection switch is characterized by comprising the following steps of:
monitoring remote signaling deflection information of a contact switch, and writing the remote signaling deflection information into a record table, wherein the remote signaling deflection information comprises a closing event and a separating event;
calculating the transfer power quantity of the tie switch based on the record table and the power data of the tie line corresponding to the tie switch;
and transmitting the transfer power to a remote terminal so that the remote terminal calculates the line loss power based on the transfer power.
2. The method of claim 1, wherein monitoring for and writing telemetry shift information of a tie switch to a record table, the telemetry shift information comprising a closing event and a opening event, comprises:
monitoring remote signaling deflection information, and analyzing an operation object, an operation type and operation time of the remote signaling deflection information, wherein the operation type comprises switching on or switching off;
if the operation object is a contact switch and the operation type is a switch-on, writing the identity information of the contact switch, the operation type and the operation time into a record table;
and if the operation object is a contact switch and the operation type is a brake release, inquiring the record information of the contact switch from a record table and deleting the record information.
3. The method according to claim 2, wherein calculating the transfer amount of the tie switch based on the record table and the power data of the tie line corresponding to the tie switch, comprises:
acquiring a tie line corresponding to the tie switch based on the power grid topology and the identity information of the tie switch;
after the identity information of the interconnection switch is written into a record table, periodically collecting power data of an interconnection line corresponding to the interconnection switch, wherein the power data comprise current, voltage and active power;
integrating calculation is carried out on the electric power data to obtain the transfer power quantity of the interconnection switch;
storing the transfer power to a real-time library;
and after deleting the identity information of the tie switch from the record table, stopping collecting the power data of the tie line.
4. The method of claim 3, wherein transmitting the transfer power to a remote terminal to cause the remote terminal to calculate a line loss power based on the transfer power comprises:
calculating an accumulated result of the transfer power of the tie switch in the real-time library;
judging whether the identity information of the tie switch exists in the record table or not:
if yes, uploading the sum of the latest calculated transfer power quantity of the unreported real-time library and the accumulated result to a remote terminal as the total transfer power quantity;
if not, the accumulated result is used as the total transfer power quantity to be uploaded to the remote terminal.
5. A line loss power calculation system for a tie switch, comprising:
the remote signaling monitoring module is used for monitoring the remote signaling deflection information of the interconnection switch and writing the remote signaling deflection information into the record table, wherein the remote signaling deflection information comprises a closing event and a separating event;
the electric quantity calculation module is used for calculating the transfer electric quantity of the interconnection switch based on the record table and the electric power data of the interconnection line corresponding to the interconnection switch;
and the data reporting module is used for sending the transfer power to the remote terminal so that the remote terminal calculates the line loss power based on the transfer power.
6. The system of claim 5, wherein the telemetry monitor module comprises:
the information monitoring unit is used for monitoring the remote signaling deflection information and analyzing an operation object, an operation type and operation time of the remote signaling deflection information, wherein the operation type comprises switching on or switching off;
the information recording unit is used for writing the identity information, the operation type and the operation time of the contact switch into a recording table if the operation object is the contact switch and the operation type is a switch-on;
and the information deleting unit is used for inquiring the record information of the contact switch from the record table and deleting the record information if the operation object is the contact switch and the operation type is the opening.
7. The system of claim 6, wherein the power calculation module comprises:
the information acquisition unit is used for acquiring a tie line corresponding to the tie switch based on the power grid topology and the identity information of the tie switch;
the data acquisition unit is used for periodically acquiring power data of a tie line corresponding to the tie switch after the identity information of the tie switch is written into the record table, wherein the power data comprises current, voltage and active power;
the integral calculation unit is used for carrying out integral calculation on the electric power data to obtain the transfer power quantity of the tie switch;
the electric quantity storage unit is used for storing the transfer electric quantity to a real-time library;
and the deletion processing unit is used for stopping collecting the power data of the interconnecting link after deleting the identity information of the interconnecting link from the record table.
8. The system of claim 7, wherein the data reporting module comprises:
the accumulated calculation unit is used for calculating an accumulated result of the transfer power quantity of the tie switch in the real-time library;
the judging unit is used for judging whether the identity information of the tie switch exists in the record table or not;
the first reporting unit is used for uploading the sum of the transfer power quantity of the unreported real-time library which is calculated recently and the accumulated result to a remote terminal as the total transfer power quantity if the identity information of the tie switch exists in the record table;
and the second reporting unit is used for uploading the accumulated result to a remote terminal as total transfer power if the identity information of the contact switch does not exist in the record list.
9. A terminal, comprising:
the memory is used for storing a line loss electric quantity calculation program of the tie switch;
a processor, configured to implement the steps of the line loss electric quantity calculating method of the tie switch according to any one of claims 1 to 4 when executing the line loss electric quantity calculating program of the tie switch.
10. A computer readable storage medium storing a computer program, characterized in that the readable storage medium stores a line loss amount calculation program of a tie switch, which when executed by a processor, implements the steps of the line loss amount calculation method of the tie switch according to any one of claims 1-4.
CN202311721805.0A 2023-12-14 2023-12-14 Method, system, terminal and storage medium for calculating line loss electric quantity of tie switch Pending CN117805477A (en)

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CN202311721805.0A CN117805477A (en) 2023-12-14 2023-12-14 Method, system, terminal and storage medium for calculating line loss electric quantity of tie switch

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CN202311721805.0A CN117805477A (en) 2023-12-14 2023-12-14 Method, system, terminal and storage medium for calculating line loss electric quantity of tie switch

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CN117805477A true CN117805477A (en) 2024-04-02

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