阅读说明：本技术 一种配电自动化监测方法、系统、终端及存储介质 (Distribution automation monitoring method, system, terminal and storage medium ) 是由 马士胜 李臣径 孙善平 周其朋 郎益伟 冯恩刚 郭垒 张旭盈 惠三军 张琦 李兆 于 2019-08-15 设计创作，主要内容包括：本发明提供一种配电自动化监测方法、系统、终端及存储介质,包括：获取监测装置采集的变电站电流电压数据,所述监测装置包括数据采集互感器、数据处理器和数据发送器；设置故障模拟数据库,所述故障模拟数据库存储配电自动化系统历史故障信息；在确定变电站电流电压数据不在正常电流电压范围之后,将所述变电站电流电压数据与所述变电站历史故障信息模拟所述变电站的故障类型。本发明能够自动采集配电自动化系统各变电站的电流电压参数,并根据电流电压参数对个变电站进行故障监测和模拟,为运维人员维护配电自动化系统和快速解决故障提供了数据支撑。(The invention provides a distribution automation monitoring method, a system, a terminal and a storage medium, comprising the following steps: acquiring current and voltage data of a transformer substation acquired by a monitoring device, wherein the monitoring device comprises a data acquisition mutual inductor, a data processor and a data transmitter; setting a fault simulation database, wherein the fault simulation database stores historical fault information of the distribution automation system; and after the fact that the current and voltage data of the transformer substation are not in the normal current and voltage range is determined, simulating the fault type of the transformer substation by using the current and voltage data of the transformer substation and the historical fault information of the transformer substation. The invention can automatically acquire the current and voltage parameters of each transformer substation of the distribution automation system, and monitor and simulate the fault of each transformer substation according to the current and voltage parameters, thereby providing data support for operation and maintenance personnel to maintain the distribution automation system and quickly solve the fault.)

1. A power distribution automation monitoring method, characterized by comprising:

Acquiring current and voltage data of a transformer substation acquired by a monitoring device, wherein the monitoring device comprises a data acquisition mutual inductor, a data processor and a data transmitter;

Setting a fault simulation database, wherein the fault simulation database stores historical fault information of the distribution automation system;

and after the fact that the current and voltage data of the transformer substation are not in the normal current and voltage range is determined, simulating the fault type of the transformer substation by using the current and voltage data of the transformer substation and the historical fault information of the transformer substation.

2. The method of claim 1, wherein said setting a fault simulation database comprises:

Collecting fault information of all substations of the distribution automation system, wherein the fault information comprises fault types and corresponding abnormal current and voltage data;

And classifying the fault information according to the serial number of the transformer substation to which the fault information belongs.

3. The method of claim 1, wherein the modeling the substation current voltage data and the substation historical fault information for the fault type of the substation comprises:

acquiring the serial number of the transformer substation to which the current and voltage data of the transformer substation belong;

Calling fault information in the same number classification in a fault simulation database according to the number of the transformer substation;

Judging whether abnormal current and voltage data similar to the current and voltage data of the transformer substation exist in the fault information classified by the same number:

If yes, outputting the fault type corresponding to the similar abnormal current and voltage data as a simulation fault type;

and if not, searching the fault information matched with the current and voltage data of the transformer substation in the fault simulation database and outputting the simulation fault type.

4. The method of claim 1, wherein after the simulating the substation current voltage data with the substation historical fault information for the fault type of the substation, the method further comprises:

And sending the simulation fault type and the number of the transformer substation to which the simulation fault type belongs to an information sharing platform.

5. A distribution automation monitoring system, comprising:

the monitoring device comprises a data acquisition unit, a data processing unit and a data transmitter, wherein the data acquisition unit is configured to acquire current and voltage data of the transformer substation acquired by the monitoring device;

a basic data unit configured to set a fault simulation database storing historical fault information of the distribution automation system;

And the fault simulation unit is configured to simulate the fault type of the transformer substation by using the transformer substation current-voltage data and the transformer substation historical fault information after determining that the transformer substation current-voltage data is not in a normal current-voltage range.

6. the system of claim 5, wherein the base data unit comprises:

The system comprises an information collection module, a fault analysis module and a fault analysis module, wherein the information collection module is configured to collect fault information of all substations of the distribution automation system, and the fault information comprises fault types and corresponding abnormal current and voltage data;

and the information classification module is configured to classify the fault information according to the number of the transformer substation to which the fault information belongs.

7. the system of claim 5, wherein the fault simulation unit comprises:

the serial number acquisition module is configured to acquire a serial number of a transformer substation to which the current and voltage data of the transformer substation belong;

the information calling module is configured for calling fault information in the same number classification in the fault simulation database according to the transformer substation number;

The similar searching module is configured to judge whether the fault information classified by the same number has abnormal current and voltage data similar to the current and voltage data of the transformer substation;

the analog output module is configured for outputting the fault type corresponding to the similar abnormal current and voltage data as a simulated fault type;

and the comprehensive searching module is configured and used for searching the fault information matched with the current and voltage data of the transformer substation in the fault simulation database and outputting the simulation fault type.

8. the system of claim 5, further comprising:

and the simulation fault sharing unit is configured to send the simulation fault type and the number of the substation to which the simulation fault type belongs to the information sharing platform.

9. A terminal, comprising:

A processor;

A memory for storing instructions for execution by the processor;

Wherein the processor is configured to perform the method of any one of claims 1-4.

10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1-4.

Technical Field

the invention belongs to the technical field of distribution automation, and particularly relates to a distribution automation monitoring method, a distribution automation monitoring system, a distribution automation monitoring terminal and a storage medium.

Background

Distribution automation technology is an important technology for serving urban and rural power distribution network transformation construction, distribution automation comprises feeder automation and a distribution management system, and communication technology is the key of distribution automation. At present, China has carried out more test points for distribution automation, a three-layer structure consisting of a distribution main station, a substation and a feeder terminal is generally accepted, and the communication mode of optical fiber communication as a backbone network is also commonly known. The implementation of feeder automation can also be based entirely on fiber optic communications, which enables feeder terminals to communicate with each other quickly, together implementing a feeder automation function with higher performance. A Distribution Automation System (DAS) is an automated system that enables a distribution enterprise to monitor, coordinate, and operate distribution equipment remotely in real time; the system comprises a power distribution network data acquisition and monitoring (SCADA system), a power distribution Geographic Information System (GIS) and a Demand Side Management (DSM).

in order to ensure the normal operation of the distribution automation system, the current and voltage parameters of each transformer substation of the system need to be monitored in real time. At present, most of operation monitoring of a distribution automation system is still manual operation of operation and maintenance personnel, abnormal current and voltage parameters cannot be found in time through manual monitoring, monitoring information cannot be gathered, and system breakdown is easily caused due to untimely fault handling.

Disclosure of Invention

In view of the above-mentioned deficiencies of the prior art, the present invention provides a power distribution automation monitoring method, system, terminal and storage medium to solve the above-mentioned technical problems.

In a first aspect, the present invention provides a power distribution automation monitoring method, including:

acquiring current and voltage data of a transformer substation acquired by a monitoring device, wherein the monitoring device comprises a data acquisition mutual inductor, a data processor and a data transmitter;

Setting a fault simulation database, wherein the fault simulation database stores historical fault information of the distribution automation system;

and after the fact that the current and voltage data of the transformer substation are not in the normal current and voltage range is determined, simulating the fault type of the transformer substation by using the current and voltage data of the transformer substation and the historical fault information of the transformer substation.

Further, the setting a fault simulation database includes:

Collecting fault information of all substations of the distribution automation system, wherein the fault information comprises fault types and corresponding abnormal current and voltage data;

and classifying the fault information according to the serial number of the transformer substation to which the fault information belongs.

further, the simulating the fault type of the substation by using the substation current and voltage data and the historical fault information of the substation includes:

Acquiring the serial number of the transformer substation to which the current and voltage data of the transformer substation belong;

calling fault information in the same number classification in a fault simulation database according to the number of the transformer substation;

judging whether abnormal current and voltage data similar to the current and voltage data of the transformer substation exist in the fault information classified by the same number:

If yes, outputting the fault type corresponding to the similar abnormal current and voltage data as a simulation fault type;

And if not, searching the fault information matched with the current and voltage data of the transformer substation in the fault simulation database and outputting the simulation fault type.

further, after the simulating the fault type of the substation with the substation current-voltage data and the substation historical fault information, the method further comprises:

and sending the simulation fault type and the number of the transformer substation to which the simulation fault type belongs to an information sharing platform.

In a second aspect, the present invention provides a distribution automation monitoring system, comprising:

the monitoring device comprises a data acquisition unit, a data processing unit and a data transmitter, wherein the data acquisition unit is configured to acquire current and voltage data of the transformer substation acquired by the monitoring device;

a basic data unit configured to set a fault simulation database storing historical fault information of the distribution automation system;

and the fault simulation unit is configured to simulate the fault type of the transformer substation by using the transformer substation current-voltage data and the transformer substation historical fault information after determining that the transformer substation current-voltage data is not in a normal current-voltage range.

Further, the basic data unit includes:

The system comprises an information collection module, a fault analysis module and a fault analysis module, wherein the information collection module is configured to collect fault information of all substations of the distribution automation system, and the fault information comprises fault types and corresponding abnormal current and voltage data;

And the information classification module is configured to classify the fault information according to the number of the transformer substation to which the fault information belongs.

further, the fault simulation unit includes:

the serial number acquisition module is configured to acquire a serial number of a transformer substation to which the current and voltage data of the transformer substation belong;

The information calling module is configured for calling fault information in the same number classification in the fault simulation database according to the transformer substation number;

The similar searching module is configured to judge whether the fault information classified by the same number has abnormal current and voltage data similar to the current and voltage data of the transformer substation;

the analog output module is configured for outputting the fault type corresponding to the similar abnormal current and voltage data as a simulated fault type;

and the comprehensive searching module is configured and used for searching the fault information matched with the current and voltage data of the transformer substation in the fault simulation database and outputting the simulation fault type.

further, the system further comprises:

and the simulation fault sharing unit is configured to send the simulation fault type and the number of the substation to which the simulation fault type belongs to the information sharing platform.

In a third aspect, a terminal is provided, including:

A processor, a memory, wherein,

The memory is used for storing a computer program which,

The processor is used for calling and running the computer program from the memory so as to make the terminal execute the method of the terminal.

in a fourth aspect, a computer storage medium is provided having stored therein instructions that, when executed on a computer, cause the computer to perform the method of the above aspects.

the beneficial effect of the invention is that,

according to the distribution automation monitoring method, the distribution automation monitoring system, the distribution automation monitoring terminal and the storage medium, a plurality of monitoring devices are arranged in the distribution automation system, current and voltage data of substations in each part of the distribution system are obtained, abnormal current and voltage data exceeding a normal range are compared with historical fault information stored in a fault simulation database, historical fault information matched with the abnormal current and voltage data is searched, the matched historical fault information is output as a simulated fault, and the simulated fault and the number of the substation to which the simulated fault belongs are issued to an information sharing platform, so that operation and maintenance personnel can check the fault in time. The invention can automatically acquire the current and voltage parameters of each transformer substation of the distribution automation system, and monitor and simulate the fault of each transformer substation according to the current and voltage parameters, thereby providing data support for operation and maintenance personnel to maintain the distribution automation system and quickly solve the fault.

in addition, the invention has reliable design principle, simple structure and very wide application prospect.

drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic flow diagram 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 those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following explains key terms appearing in the present invention.

FIG. 1 is a schematic flow diagram of a method of one embodiment of the invention. The implementation subject of fig. 1 may be a distribution automation monitoring system.

As shown in fig. 1, the method 100 includes:

step 110, acquiring current and voltage data of a transformer substation acquired by a monitoring device, wherein the monitoring device comprises a data acquisition mutual inductor, a data processor and a data transmitter;

Step 120, setting a fault simulation database, wherein the fault simulation database stores historical fault information of the distribution automation system;

And step 130, after the fact that the current and voltage data of the transformer substation are not in the normal current and voltage range is determined, simulating the fault type of the transformer substation by using the current and voltage data of the transformer substation and the historical fault information of the transformer substation.

Optionally, as an embodiment of the present invention, the setting a fault simulation database includes:

collecting fault information of all substations of the distribution automation system, wherein the fault information comprises fault types and corresponding abnormal current and voltage data;

and classifying the fault information according to the serial number of the transformer substation to which the fault information belongs.

Optionally, as an embodiment of the present invention, the simulating the fault type of the substation by using the substation current and voltage data and the substation historical fault information includes:

Acquiring the serial number of the transformer substation to which the current and voltage data of the transformer substation belong;

calling fault information in the same number classification in a fault simulation database according to the number of the transformer substation;

Judging whether abnormal current and voltage data similar to the current and voltage data of the transformer substation exist in the fault information classified by the same number:

If yes, outputting the fault type corresponding to the similar abnormal current and voltage data as a simulation fault type;

and if not, searching the fault information matched with the current and voltage data of the transformer substation in the fault simulation database and outputting the simulation fault type.

optionally, as an embodiment of the present invention, after the simulating the fault type of the substation by the substation current-voltage data and the substation historical fault information, the method further includes:

And sending the simulation fault type and the number of the transformer substation to which the simulation fault type belongs to an information sharing platform.

In order to facilitate understanding of the present invention, the principle of the distribution automation monitoring method of the present invention is further described below with reference to the process of automatically monitoring the distribution automation system in the embodiment.

Specifically, the power distribution automation monitoring method includes:

and S1, acquiring the current and voltage data of the transformer substation acquired by the monitoring device, wherein the monitoring device comprises a data acquisition mutual inductor, a data processor and a data transmitter.

the distribution automation monitoring method provided by the embodiment is implemented by a distribution master station control terminal in a distribution automation system. The monitoring device comprises a data acquisition mutual inductor (a current mutual inductor and a voltage mutual inductor), a data processor (used for converting current and voltage signals acquired by the current mutual inductor and the voltage mutual inductor into current data and voltage data) and a data transmitter (server terminal), wherein the data transmitter is in communication connection with the power distribution main station control terminal, and transmits the current and voltage data to the power distribution main station control terminal. Each transformer substation is provided with a receiving terminal, information issued by the power distribution main station control terminal on the information sharing platform can be checked, and the receiving terminal and the power distribution main station control terminal are connected with the same local area network. And the monitoring device marks the current and voltage data of each substation with the serial number of the substation to which the monitoring device belongs and then sends the current and voltage data to the control terminal of the distribution main station.

And S2, setting a fault simulation database, wherein the fault simulation database stores historical fault information of the distribution automation system.

And arranging all historical fault information of the power distribution automation system, wherein the arranged fault information comprises fault types, corresponding abnormal current and voltage data and numbers of faulted substations. And storing the sorted fault information into a fault simulation database to provide data support for fault simulation.

and S3, after the fact that the current and voltage data of the transformer substation are not in the normal current and voltage range is determined, simulating the fault type of the transformer substation by using the current and voltage data of the transformer substation and the historical fault information of the transformer substation.

Firstly, whether the obtained current and voltage data are within a normal current and voltage range of the normal operation of the transformer substation is judged, and if the obtained current and voltage data are within the normal current and voltage range, the state of the transformer substation to which the current and voltage data belong is judged to be normal. If the current voltage data is not within the normal current voltage range, the current voltage data is used as comparison data, firstly, abnormal current voltage data of a transformer substation which belongs to the same transformer substation as the comparison data is called from a fault simulation database according to the number of the transformer substation of the comparison data, abnormal current voltage data matched with the comparison data is searched from the abnormal current voltage data of the transformer substation which belongs to the same transformer substation, the searching method is that a difference value range is preset, and the abnormal current voltage data with the difference value of the comparison data within the preset range is screened out, and the searching is performed once. And if the matched abnormal current and voltage data can be screened out by one-time searching, outputting fault information (or fault type) corresponding to the matched abnormal current and voltage data as a simulation fault. If the matched abnormal current and voltage data are not screened out in the primary search, the screening range needs to be expanded for secondary search, the range of the secondary search is set as a fault simulation database, namely, the abnormal current and voltage data with the data difference value within the preset range are screened out from the fault simulation database, and the fault information of the screened matched abnormal current and voltage data is output and serves as the simulated fault.

If the current and voltage data of a plurality of substations exceed the normal range, the current and voltage data are combined into a comparison data combination, an abnormal current and voltage data combination matched with the comparison data combination is screened from a fault simulation database, and the fault type corresponding to the matched abnormal current and voltage data combination is output as a simulated fault.

S4, the power distribution main station control terminal issues the same group of simulated faults, comparison data and fault substation numbers to the information sharing platform, and operation and maintenance personnel can check the information of the information sharing platform through the receiving terminal, so that the faulty substation can be found in time, and the fault can be quickly processed by referring to the simulated faults.

as shown in fig. 2, the system 200 includes:

The data acquisition unit 210 is configured to acquire current and voltage data of a transformer substation acquired by a monitoring device, wherein the monitoring device comprises a data acquisition transformer, a data processor and a data transmitter;

a basic data unit 220 configured to set a fault simulation database storing historical fault information of the distribution automation system;

and the fault simulation unit 230 is configured to simulate the fault type of the substation by using the substation current-voltage data and the historical substation fault information after determining that the substation current-voltage data is not in the normal current-voltage range.

optionally, as an embodiment of the present invention, the basic data unit includes:

The system comprises an information collection module, a fault analysis module and a fault analysis module, wherein the information collection module is configured to collect fault information of all substations of the distribution automation system, and the fault information comprises fault types and corresponding abnormal current and voltage data;

And the information classification module is configured to classify the fault information according to the number of the transformer substation to which the fault information belongs.

Optionally, as an embodiment of the present invention, the fault simulation unit includes:

the serial number acquisition module is configured to acquire a serial number of a transformer substation to which the current and voltage data of the transformer substation belong;

The information calling module is configured for calling fault information in the same number classification in the fault simulation database according to the transformer substation number;

The similar searching module is configured to judge whether the fault information classified by the same number has abnormal current and voltage data similar to the current and voltage data of the transformer substation;

the analog output module is configured for outputting the fault type corresponding to the similar abnormal current and voltage data as a simulated fault type;

and the comprehensive searching module is configured and used for searching the fault information matched with the current and voltage data of the transformer substation in the fault simulation database and outputting the simulation fault type.

optionally, as an embodiment of the present invention, the system further includes:

and the simulation fault sharing unit is configured to send the simulation fault type and the number of the substation to which the simulation fault type belongs to the information sharing platform.

fig. 3 is a schematic structural diagram of a terminal system 300 according to an embodiment of the present invention, where the terminal system 300 may be used to execute the distribution automation monitoring method according to the embodiment of the present invention.

The terminal system 300 may include: a processor 310, a memory 320, and a communication unit 330. The components communicate via one or more buses, and those skilled in the art will appreciate that the architecture of the servers shown in the figures is not intended to be limiting, and may be a bus architecture, a star architecture, a combination of more or less components than those shown, or a different arrangement of components.

the memory 320 may be used for storing instructions executed by the processor 310, and the memory 320 may be implemented by any type of volatile or non-volatile storage 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 executable instructions in memory 320, when executed by processor 310, enable 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 operating or executing software programs and/or modules stored in the memory 320 and calling data stored in the memory. The processor may be composed of an Integrated Circuit (IC), for example, a single packaged IC, or a plurality of packaged ICs connected with the same or different functions. For example, the processor 310 may include only a Central Processing Unit (CPU). In the embodiment of the present invention, the CPU may be a single operation core, or may include multiple operation cores.

a communication unit 330, configured to establish a communication channel so that the storage terminal can communicate with other terminals. And receiving user data sent by other terminals or sending the user data to other terminals.

the present invention also provides a computer storage medium, wherein the computer storage medium may store a program, and the 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) or a Random Access Memory (RAM).

therefore, the invention acquires the current and voltage data of the substations in the distribution automation system by arranging a plurality of monitoring devices in the distribution automation system, then compares the abnormal current and voltage data which exceed the normal range with the historical fault information stored in the fault simulation database, searches the historical fault information matched with the abnormal current and voltage data, outputs the matched historical fault information as the simulated fault, and publishes the simulated fault and the number of the affiliated substation to the information sharing platform, thereby facilitating the operation and maintenance personnel to check in time. According to the invention, the current and voltage parameters of each transformer substation of the distribution automation system can be automatically acquired, fault monitoring and simulation are carried out on each transformer substation according to the current and voltage parameters, and data support is provided for operation and maintenance personnel to maintain the distribution automation system and quickly solve faults.

those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be embodied in the form of a software product, where the computer software product is stored in a storage medium, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like, and the storage medium can store program codes, and includes instructions for enabling a computer terminal (which may be a personal computer, a server, or a second terminal, a network terminal, and the like) to perform all or part of the steps of the method in the embodiments of the present invention.

the same and similar parts in the various embodiments in this specification may be referred to each other. Especially, for the terminal embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant points can be referred to the description in the method embodiment.

in the embodiments provided by the present invention, it should be understood that the disclosed system, system and method can be implemented in other ways. For example, the above-described system embodiments are merely illustrative, and for example, the division of the units is only one logical functional 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, systems 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 invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.