CN110988544A - Distribution automation terminal test system based on high in clouds test case - Google Patents
Distribution automation terminal test system based on high in clouds test case Download PDFInfo
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- CN110988544A CN110988544A CN201911290996.3A CN201911290996A CN110988544A CN 110988544 A CN110988544 A CN 110988544A CN 201911290996 A CN201911290996 A CN 201911290996A CN 110988544 A CN110988544 A CN 110988544A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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Abstract
The invention relates to the technical field of power distribution automation, in particular to a power distribution automation terminal testing system based on a cloud testing case, which comprises a cloud server module, a switch module, a testing module and a fault simulation module, wherein the cloud server module is connected with the switch module; the cloud server module is connected with the switch module, the network communication protocol which the cloud server module follows is TCP/IP, the testing module is connected with the switch module and the tested terminal and used for testing the tested terminal, and the tested terminal is connected with the switch module; the fault simulation module is connected with the switch module and establishes contact with the test module. The invention can carry out comprehensive fault simulation detection on the distribution automation terminal by synchronizing the cloud fault test case in time and updating the fault simulation module, so that the defects can be thoroughly exposed and solved as soon as possible, and the safety and the reliability of the system are improved.
Description
Technical Field
The invention relates to the technical field of power distribution automation, in particular to a power distribution automation terminal test system based on a cloud test case.
Background
The distribution automation is realized by integrating real-time information, off-line information, user information, power grid structural parameters and geographic information of a distribution network by using modern electronic technology, communication technology, computer and network technology to form a complete automatic management system, thereby realizing monitoring, protection, control and distribution management under the conditions of normal operation and accidents of the distribution system.
The distribution automation terminal is a general name of various remote monitoring and control units installed in a medium-voltage distribution network, has the functions of data acquisition, control, communication and the like, and mainly comprises a feeder terminal, a station terminal and a distribution transformer monitoring terminal.
Distribution automation is an important component of an intelligent power grid, the existing distribution automation field topology is complicated, the background technology of the system is weak, the system only has a simple parameter configuration function, and after a fault occurs, the distribution automation system is difficult to automatically, quickly and accurately judge a fault section and take correct treatment measures. And the technical staff who designs, dispose distribution automation system also can't carry out the verification based on the failure rehearsal to distribution automation system's configuration through technical means before distribution automation system comes into operation, can only carry out continuous adjustment to distribution automation system according to the solution condition of trouble after the trouble takes place, consumes huge manpower and materials, and maintenance work volume is big.
Disclosure of Invention
In order to solve the problems, the invention provides a power distribution automation terminal testing system based on a cloud testing case, which can perform detection such as fault preview and the like on the power distribution automation system before use, and meanwhile, the cloud synchronizes the fault testing case, so that faults can be rapidly judged in the using process. The specific technical scheme is as follows:
a power distribution automation terminal test system based on a cloud test case comprises a cloud server module, a switch module, a test module and a fault simulation module; the cloud server module is used for providing a test fault case, collecting and processing test data, identifying a corresponding fault and monitoring a tested terminal;
the switch module is used for realizing data interaction;
the fault simulation module is used for providing a simulation fault type for testing the tested terminal;
the test module is used for carrying out corresponding fault test on the tested terminal according to the fault type;
the test module is respectively connected with the fault simulation module and the tested terminal; the switch module is respectively connected with the fault simulation module, the test module, the cloud server module and the tested terminal.
Preferably, the cloud server module comprises a control cloud server, a storage cloud server and a function cloud server, and the control cloud server, the storage cloud server and the function cloud server are simultaneously connected with the switch module;
the control cloud server is used for monitoring the running state of the distribution automation terminals, and acquiring and processing data uploaded by each distribution automation terminal;
the storage cloud server is used for synchronously storing operation data of a power grid and fault data detected by the detected terminal;
the function cloud server is used for using the acquired data for line loss calculation, reliability statistics, power quality monitoring and fault data analysis;
and judging whether the fault belongs to a new fault type or not according to the result of the fault data analysis, and updating a fault database in the cloud server and updating the fault simulation module if the fault belongs to the new fault type.
Preferably, the test module comprises a control center submodule, an industrial personal computer submodule, a protocol response submodule and an alternating current output submodule, and the industrial personal computer submodule is respectively connected with the alternating current output submodule, the protocol response submodule and the control center submodule; the protocol response submodule and the alternating current output submodule are respectively connected with a tested terminal;
the control center submodule is connected with the fault simulation module and used for issuing an equipment point number and system parameters to the test module, monitoring the test process in real time, storing a detection report and providing a human-computer interaction interface in the test process;
the industrial personal computer submodule is used for generating a test scheme, starting a test process, judging a test result and generating a detection report;
the protocol response submodule is used for realizing information interaction and protocol analysis in a wired communication mode;
the alternating current output submodule is used for outputting a test signal required by the test.
Preferably, the test system further comprises a printing module, wherein the printing module is connected with the fault simulation module and is used for printing the test report.
Preferably, the test device further comprises a power supply module, wherein the power supply module is connected with the test module and used for supplying power to the test module.
Preferably, the terminal to be tested is a feeder terminal or a station terminal.
The invention has the beneficial effects that: the invention can carry out comprehensive fault simulation detection on the distribution automation terminal by synchronizing the cloud fault test case in time and updating the fault simulation module, so that the defects can be thoroughly exposed and solved as soon as possible, and the safety and the reliability of the system are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a schematic view of the connection of the entire frame in embodiment 1 of the present invention;
FIG. 2 is a schematic view showing the connection of the entire frame in embodiment 2 of the present invention;
FIG. 3 is a schematic structural diagram of a test module according to the present invention;
FIG. 4 is a schematic view of the connection of the whole frame in embodiment 3 of the present invention;
fig. 5 is a schematic diagram of the framework connection with the cloud server according to the present invention.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings in which:
example 1
Referring to fig. 1, a power distribution automation terminal test system based on a cloud test case includes a cloud server module 100, a switch module 200, a test module 300, and a fault simulation module 400; the cloud server module 100 is used for providing a test fault case, collecting and processing test data, identifying a corresponding fault and monitoring a tested terminal T; the switch module 200 is used for realizing data interaction; the fault simulation module 400 is configured to provide a simulated fault type for testing the terminal T to be tested; the test module 300 is configured to perform a corresponding fault test on the terminal T according to the fault type; the test module 300 is respectively connected with the fault simulation module 400 and the tested terminal T; the switch module 200 is connected to the fault simulation module 400, the test module 300, the cloud server module 100, and the terminal T to be tested, respectively.
In this embodiment, the cloud server module 100 is a cloud server or a cloud server cluster including a plurality of cloud servers, the switch module 200 is a network switch, the switch is a network device for forwarding an electrical signal, and can provide an exclusive electrical signal path for any two network nodes accessing the switch, and the most common switch is an ethernet switch. A network switch is a device for expanding a network, and can provide more connection ports for a sub-network so as to connect more computers. The network switch has the characteristics of high cost performance, high flexibility, relative simplicity, easy implementation and the like. Therefore, ethernet technology has become the most important lan networking technology today, and network switches have become the most popular switches. The switch is a core switch, and the selectable model is Scienda WS-C3850-24U-L.
The test module 300 is mainly a distribution automation terminal tester, which is a test tool specially developed for a distribution automation terminal, and can test a Feeder Terminal (FTU), a station terminal (DTU) and a distribution Transformer Terminal (TTU), and support a plurality of testers to form a distribution network automation test system, thereby realizing a networking FA logic test.
The fault simulation module 400 is a computer having a fault simulation software or program, and the fault type in the fault simulation software or program is consistent with the fault type in the cloud server module 100. When the cloud server module 100 is updated to a new test fault case synchronously, if the fault type of the case is a new type, the case is updated to the fault simulation module 400; if the synchronous update to the new test fault case is the existing fault type, the fault simulation module 400 is not updated. During detection, the fault simulation module 400 sends the fault type to be detected to the test module 300 through a corresponding instruction, and then the test module 300 performs corresponding fault simulation detection on the terminal T to be detected. If the detected terminal T passes the detection, the terminal T can be normally used, and is connected with the switch module 200 after being connected to the power distribution network, so that the working data can be conveniently transmitted to the cloud server module 100; and if the tested terminal T does not pass the detection, returning to the factory for repairing or processing according to unqualified products.
By means of the method, the power distribution automation terminal is subjected to detection such as failure preview before use, the frequency of failure occurrence of the power distribution automation terminal after use can be effectively reduced, loss caused by failure is reduced, and safety and reliability of the system are improved. Particularly, the cloud server is used, so that the fault simulation detection is more comprehensive, and although the detection cost is increased to a certain extent, the increased cost is negligible compared with the reduction of the fault.
Example 2
Referring to fig. 2 to 3, a power distribution automation terminal test system based on a cloud test case includes a cloud server module 100, a switch module 200, a test module 300 and a fault simulation module 400, the cloud server module 100 is connected to the switch module 200, the cloud server module 100 has an automatic synchronization capability, the test module 300 is connected to the switch module 200 and a terminal T to be tested, and is used for testing the terminal T to be tested, and the terminal T to be tested is connected to the switch module 200; the fault simulation module 400 is coupled to the switch module 200 and is in communication with the test module 300.
Specifically, the cloud server module 100 includes a control cloud server 101, a storage cloud server 102, and a function cloud server 103, and the control cloud server 101, the storage cloud server 102, and the function cloud server 103 are simultaneously connected to the switch module 200.
The control cloud server 101 mainly has the functions of monitoring the operation state of the distribution automation terminals, performing safety analysis, load flow calculation, reliability evaluation, monitoring scheduling, system recovery and the like on the distribution network according to data uploaded by each distribution automation terminal, and utilizing the information processing capacity of cloud calculation to help realize large-range real-time monitoring and information acquisition including the distribution system. The strong expandability of the cloud computing is also beneficial to dynamically enhancing the computing power according to the scale of the power system at any time, and the problem of insufficient computing power can be better solved. The storage cloud server 102 has the main functions of synchronizing the operation data of the power grid and the fault data during terminal detection, and the cloud storage can simultaneously ensure the safety, the originality and the reliability of the data. The function cloud server 103 mainly functions to use the acquired data for line loss calculation, reliability statistics, power quality monitoring and fault data analysis, and the fault analysis result is to determine whether the fault belongs to a new fault type, and if the fault belongs to the new fault type, the fault database in the cloud server 102 is updated, and the fault simulation module 400 is updated.
The core of the cloud server module 100 is to apply distributed cloud computing, so that the distribution automation terminal is more intelligent, more efficient and more reliable, and the management efficiency of the distribution automation terminal is improved. A Linux operating system is used on the basis of a cloud computing server side, a Hadoop architecture is adopted in a system architecture, and a parallel computing model is used for recording and analyzing mass power distribution automation data. And the safety of the system can be ensured to the maximum extent by using an open-source operating system.
The test module 300 comprises a control center submodule 301, an industrial personal computer submodule 302, a protocol response submodule 303 and an alternating current output submodule 304, wherein the industrial personal computer submodule 302 is connected with the alternating current output submodule 304 and the protocol response submodule 303 respectively. The industrial personal computer submodule 302 is connected with the control center submodule 301 through a network port, the protocol response submodule 303 is connected with the tested terminal T through the network port, and the alternating current output submodule 304 is connected with the tested terminal T through an aviation plug.
In this embodiment, the test module 300 is mainly a distribution automation terminal tester, and the preferred model of the distribution automation terminal tester is CTP3110, and mainly comprises a control center submodule 301, an industrial personal computer submodule 302, a protocol response submodule 303, and an alternating current output submodule 304. The control center sub-module 301 is connected to the fault simulation module 400, and is responsible for issuing a device point number and system parameters to the test module 300, monitoring the test process in real time, storing a detection report, and providing a human-computer interaction interface in the test process. The industrial personal computer submodule 302 is responsible for starting a test process, judging a test result and generating a detection report according to a generated test scheme. The protocol response submodule 303 implements an information interaction function and a protocol analysis function by a wired communication method. The ac output sub-module 304 is a signal source and is responsible for outputting ac and dc quantities such as voltage, current, phase angle, active, reactive, power factor, frequency, harmonic component, incoming signal, outgoing signal, etc. required in the test.
During detection, the fault simulation module 400 transmits various fault simulation instructions to the test module 300, the industrial personal computer submodule 302 generates different test schemes according to different instructions, and the alternating current output submodule 304 outputs corresponding test signals according to the test schemes to detect the tested terminal T.
The present invention further includes a printer module 500, where the printer module 500 is a printer for printing the test report. After the detection is finished, the industrial personal computer submodule 302 prints the generated detection report on a printer through the fault simulation module 400, wherein the printer can be a HP LaserJet M5035 MFP with complete functions, and the printing requirement is met.
Example 3
Referring to fig. 4, a power distribution automation terminal test system based on a cloud test case includes a cloud server module 100, a switch module 200, a test module 300, a fault simulation module 400 and a printer module 500, the cloud server module 100 is connected to the switch module 200, the cloud server module 100 has an automatic synchronization capability, the cloud server module 100 includes a control cloud server 101, a storage cloud server 102 and a function cloud server 103, and the control cloud server 101, the storage cloud server 102 and the function cloud server 103 are simultaneously connected to the switch module 200; the test module 300 is connected with the switch module 200 and the tested terminal T, and is used for testing the tested terminal T, and the tested terminal T is connected with the switch module 200; fault simulation module 400 links to each other with switch module 200, and establish the relation with test module 300, test module 300 includes control center submodule piece 301, industrial computer submodule piece 302, stipulation response submodule piece 303 and alternating current volume output submodule piece 304, industrial computer submodule piece 302 links to each other with alternating current volume output submodule piece 304 and stipulation response submodule piece 303 respectively, industrial computer submodule piece 302 links to each other with control center submodule piece 301 through the net gape, stipulation response submodule piece 303 links to each other with terminal T under test through the net gape, alternating current volume output submodule piece 304 links to each other with power distribution terminal T through the circular connector, printer module 500 is used for printing the test report.
And the tested terminal T is a feeder terminal or a station terminal. The test module 300 can be connected to 6 feeder terminals or 1 station terminal of 6 loops at the same time, and after finishing parameter configuration, the connected feeder terminals or station terminals are tested at the same time.
The present invention further includes a power module 600, wherein the power module 600 is connected to the test module 300 to supply power to the test module 300.
When the power distribution terminal breaks down or the power distribution terminal is put into use, when patrolling and examining the power distribution terminal, if the on-site electricity taking is difficult, a power supply needs to be additionally provided to supply power for the test module 300. The power module 600 can be a storage battery or a generator, and particularly, when the terminal T to be tested is a ring main unit or a feeder terminal on a column, the generator needs to be used for supplying power.
When the power distribution terminal has a fault, the cloud server module 100 can lock the circuit of the fault part according to abnormal data in the data uploaded by the power distribution automation terminal, and a maintainer goes to the site to perform rapid repair; if the fault circuit cannot be locked or the fault type is unknown, a maintainer can go to the field and connect the tested terminal T with the test module 300 to help find the fault, after the fault is discharged, the tested terminal T uploads fault data to the cloud storage server 102, the functional cloud server 103 analyzes and processes the fault data to form a new fault type, updates the fault database in the storage cloud server 102, and updates the fault type in the fault simulation module 400. The fault simulation module 400 then increases the detection of the type of fault when detecting the terminal under test T.
According to the method, the cloud server is used for updating the test fault cases in the power distribution network in real time, so that new faults can be timely applied to simulation detection of a new power distribution automation terminal, or new fault detection is added during routing inspection, so that the fault simulation detection is more comprehensive, the frequency of the faults is greatly reduced, the maintenance cost is reduced, and the safety and the working efficiency of the power distribution system are improved.
It should be noted that after the terminal T is put into use, a connection may be established with the cloud server module 100 through the switch module 200, and when the power distribution network is expanded, a plurality of switch modules 200 may be connected to a plurality of terminals T, as shown in fig. 5. When the terminal T to be tested is inspected, the fault simulation module 400 is connected to the switch module 200, the fault case/fault type is updated from the cloud server module 100, and then the test module 300 is connected to the fault simulation module 400 and the terminal T to be tested to perform detection. The connection mode and the processing mode type of the troubleshooting process and the inspection process are not described herein.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
The present invention is not limited to the above-described embodiments, which are merely preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a distribution automation terminal test system based on high in clouds test case which characterized in that: the system comprises a cloud server module (100), a switch module (200), a test module (300) and a fault simulation module (400); the cloud server module (100) is used for providing a test fault case, collecting and processing test data, identifying a corresponding fault and monitoring a tested terminal (T);
the switch module (200) is used for realizing data interaction;
the fault simulation module (400) is used for providing a simulation fault type for testing the tested terminal (T);
the test module (300) is used for carrying out corresponding fault test on the tested terminal (T) according to the fault type;
the test module (300) is respectively connected with the fault simulation module (400) and the tested terminal (T); the switch module (200) is respectively connected with the fault simulation module (400), the test module (300), the cloud server module (100) and the tested terminal (T).
2. The power distribution automation terminal testing system based on the cloud test case as claimed in claim 1, wherein: the cloud server module (100) comprises a control cloud server (101), a storage cloud server (102) and a function cloud server (103), and the control cloud server (101), the storage cloud server (102) and the function cloud server (103) are simultaneously connected with the switch module (200);
the control cloud server (101) is used for monitoring the running state of the distribution automation terminals, and acquiring and processing data uploaded by each distribution automation terminal;
the storage cloud server (102) is used for synchronously storing operation data of a power grid and fault data detected by the detected terminal (T);
the functional cloud server (103) is used for using the acquired data for line loss calculation, reliability statistics, power quality monitoring and fault data analysis;
the result of the fault data analysis is to determine whether the fault belongs to a new fault type, and if the fault belongs to the new fault type, the fault database in the cloud server 102 is updated, and the fault simulation module 400 is also updated.
3. The power distribution automation terminal testing system based on the cloud test case as claimed in claim 1, wherein: the testing module (300) comprises a control center submodule (301), an industrial personal computer submodule (302), a protocol response submodule (303) and an alternating current output submodule (304), wherein the industrial personal computer submodule (302) is respectively connected with the alternating current output submodule (304), the protocol response submodule (303) and the control center submodule (301); the protocol response submodule (303) and the alternating current output submodule (304) are respectively connected with a tested terminal (T);
the control center submodule (301) is connected with the fault simulation module 400 and is used for issuing an equipment point number and system parameters to the test module (300), monitoring the test process in real time, storing a detection report and providing a human-computer interaction interface in the test process;
the industrial personal computer submodule (302) is used for generating a test scheme, starting a test process, judging a test result and generating a detection report;
the protocol response submodule (303) is used for realizing information interaction and protocol analysis in a wired communication mode;
the alternating current output submodule (304) is used for outputting a test signal required by the test.
4. The power distribution automation terminal testing system based on the cloud test case as claimed in claim 1, wherein: the test system further comprises a printing module (500), wherein the printing module (500) is connected with the fault simulation module (400), and the printing module (500) is used for printing the test report.
5. The power distribution automation terminal testing system based on the cloud test case as claimed in claim 1, wherein: the testing device is characterized by further comprising a power supply module (600), wherein the power supply module (600) is connected with the testing module (300) and used for supplying power to the testing module (300).
6. The power distribution automation terminal testing system based on the cloud test case as claimed in claim 1, wherein: and the tested terminal (T) is a feeder terminal or a station terminal.
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| CN114039338A (en) * | 2021-11-04 | 2022-02-11 | 广东电网有限责任公司 | Cloud technology-based feeder self-healing test system, equipment and storage medium |
| CN114615695A (en) * | 2022-03-18 | 2022-06-10 | 机械工业仪器仪表综合技术经济研究所 | 5G industrial terminal simulation device and test method |
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