CN112540263A - Feeder automation logic operation and maintenance detection device and method - Google Patents
Feeder automation logic operation and maintenance detection device and method Download PDFInfo
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- CN112540263A CN112540263A CN202011293485.XA CN202011293485A CN112540263A CN 112540263 A CN112540263 A CN 112540263A CN 202011293485 A CN202011293485 A CN 202011293485A CN 112540263 A CN112540263 A CN 112540263A
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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Abstract
The invention is suitable for the technical field of power grid operation and maintenance, and provides a feeder automation logic operation and maintenance detection device and a method, wherein the operation and maintenance feeder detection device comprises: the core control module is used for storing the test scheme, acquiring the electric signal, determining the test scheme and controlling the test process; the electrical quantity input and output module is connected with the tested equipment and the core control module; the system is used for simulating the electric quantity generated when the output feeder line has a fault, acquiring switching quantity from the tested equipment and the conditions of switching-off and switching-on of the input feeder line automatic terminal, and transmitting the acquired information to the core control module; the human-computer interaction module is used for inputting an operation command and displaying a test flow and a test result; the communication module is used for receiving the test starting command and sending a test result; the upper computer sends a test instruction to the communication module and receives and stores a test result; and the electric energy management module provides power. The invention has the advantages that: the test device has the advantages of simple structure, convenience in test, high test efficiency, low detection cost and high test speed.
Description
Technical Field
The invention belongs to the technical field of power grid operation and maintenance, and particularly relates to a feeder automation logic operation and maintenance detection device and method.
Background
Distribution automation is an important part in smart grid construction, and feeder automation is one of the core components. While the automation scale of the feeder is rapidly enlarged, the development of operation and maintenance management technology is relatively delayed. The automatic operation and maintenance mode of mesh feedforward line mainly relies on the on-the-spot operation and maintenance work of feeder automation that the operation and maintenance personnel regularly expanded, need adopt multiple check out test set (for example relay protection tester, simulation circuit breaker, emergent portable power source etc.) cooperation simultaneously just can accomplish the detection of feeder automation terminal at the operation and maintenance in-process, the great difficulty of carrying of equipment volume, and it is big to the high work degree of difficulty of operation requirement of operation and maintenance personnel operation, check out time is long, lead to regularly overhauing operation and maintenance work at every turn and need consume a large amount of manpower and materials, the operation and maintenance cost is high and the efficiency of operation and maintenance has been restricted simultaneously.
Disclosure of Invention
The embodiment of the invention aims to provide a feeder automation logic operation and maintenance detection device, and aims to solve the problem of high operation requirement and high difficulty in operation.
The invention is realized in this way, a feeder automation logic operation and maintenance detection device, the operation and maintenance feeder detection device includes:
the core control module is used for storing the test scheme, acquiring the electric signal, determining the test scheme and controlling the test process;
the electrical quantity input and output module is connected with the tested equipment and the core control module; the system is used for simulating the electric quantity generated when the output feeder line has a fault, acquiring switching quantity from the tested equipment and the conditions of switching-off and switching-on of the input feeder line automatic terminal, and transmitting the acquired information to the core control module;
the human-computer interaction module is used for inputting an operation command and displaying a test flow and a test result;
the communication module is used for receiving the test starting command and sending a test result;
the upper computer sends a test instruction to the communication module and receives and stores a test result;
and the electric energy management module provides power.
In the embodiment of the invention, the tool is started through the human-computer interaction module, the human-computer interaction module can input a test starting command, and the human-computer interaction module outputs an electric signal to the core control module. After the analysis and the processing of the core control module, an electric signal is output to the electric quantity output and input module, and the voltage value and the current value of the analog output of the test are determined. The electric quantity input and output module is connected with the tested equipment, voltage values and current values of different feeder line faults are output in a simulation mode, switching quantities are obtained from the tested equipment, and the electric quantity input and output module converts the obtained switching quantity data into electric signals to be fed back to the core control module. The core control module processes and analyzes the acquired related electric signals in real time, and outputs the processed electric signals to the human-computer interaction module and the communication module. The communication module outputs data to the upper computer through the Ethernet, and the man-machine interaction module displays the current test state in real time. Various testing schemes are built in the core control module, and different testing schemes do not need to be introduced in each test, so that the testing speed is increased; the testing process and the conclusion can be transmitted to the upper computer in real time through the communication module, the testing state can be mastered in real time, the automatic operation and maintenance efficiency of the feeder line is greatly improved, and the operation and maintenance cost is effectively reduced.
Another objective of the present invention is to provide a feeder automation logic operation and maintenance detection method, which is applied to the feeder automation logic operation and maintenance detection apparatus described above, and the operation and maintenance feeder detection method includes:
starting and inputting a test command through a man-machine interaction module;
the core control module receives the electric signal, analyzes and processes the electric signal and outputs an analysis result;
the electric quantity output module receives and determines the electric quantity and obtains the switching value, and converts the obtained switching value data into an electric signal to feed back to the core control module;
the core control module carries out real-time processing and analysis and outputs the processing result electric signals to the human-computer interaction module and the communication module.
The invention has the advantages that: the test device has the advantages of simple structure, convenience in test, high test efficiency, low detection cost and high test speed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of a feeder automation logic operation and maintenance detection apparatus according to an embodiment of the present invention;
fig. 2 is a block diagram of a core control module in the feeder automation logic operation and maintenance detection apparatus according to the embodiment of the present invention;
fig. 3 is a block diagram of an electrical quantity input/output module in the feeder automation logic operation and maintenance detection apparatus according to the embodiment of the present invention;
fig. 4 is a block diagram of a human-computer interaction module in the feeder automation logic operation and maintenance detection apparatus according to the embodiment of the present invention;
fig. 5 is a block diagram of a communication module in the feeder automation logic operation and maintenance detection apparatus according to the embodiment of the present invention;
fig. 6 is a block diagram of a power management module in the feeder automation logic operation and maintenance detection apparatus according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structural diagram of a feeder automation logic operation and maintenance detection apparatus provided in an embodiment of the present invention includes: the core control module is used for storing the test scheme, acquiring the electric signal, determining the test scheme and controlling the test process;
the electrical quantity input and output module is connected with the tested equipment and the core control module; the system is used for simulating the electric quantity generated when the output feeder line has a fault, acquiring switching quantity from the tested equipment and the conditions of switching-off and switching-on of the input feeder line automatic terminal, and transmitting the acquired information to the core control module;
the human-computer interaction module is used for inputting an operation command and displaying a test flow and a test result;
the communication module is used for receiving the test starting command and sending a test result;
the upper computer sends a test instruction to the communication module and receives and stores a test result;
and the electric energy management module provides power.
In the embodiment of the invention, the tool is started through the human-computer interaction module, the human-computer interaction module can input a test starting command, and the human-computer interaction module outputs an electric signal to the core control module. After the analysis and the processing of the core control module, an electric signal is output to the electric quantity output and input module, and the voltage value and the current value of the analog output of the test are determined. The electric quantity input and output module is connected with the tested equipment, voltage values and current values of different feeder line faults are output in a simulation mode, switching quantities are obtained from the tested equipment, and the electric quantity input and output module converts the obtained switching quantity data into electric signals to be fed back to the core control module. The core control module processes and analyzes the acquired related electric signals in real time, and outputs the processed electric signals to the human-computer interaction module and the communication module. The communication module outputs data to the upper computer through the Ethernet, and the man-machine interaction module displays the current test state in real time. Various testing schemes are built in the core control module, and different testing schemes do not need to be introduced in each test, so that the testing speed is increased; the testing process and the conclusion can be transmitted to the upper computer in real time through the communication module, the testing state can be mastered in real time, the automatic operation and maintenance efficiency of the feeder line is greatly improved, and the operation and maintenance cost is effectively reduced.
As shown in fig. 2, as a preferred embodiment of the present invention, the core control module includes a control circuit unit, a data storage unit, and a protection circuit unit; the control circuit unit is electrically connected with the data storage unit and the protection circuit unit; the data storage unit is used for storing the test scheme, quickly sending the test scheme and storing the test result, and sending the test result to the communication module; the control circuit unit receives a test task starting command, acquires different test schemes from the data storage unit, determines the electrical quantity to be simulated and output and the judgment logic of the test schemes, identifies the input electrical quantity of the feeder automation terminal, and transmits test data to the data storage unit; and the protection circuit unit is used for identifying whether the electrical state quantity of the tool reaches a threshold value or not and transmitting the identification information to the control circuit unit. The control circuit unit receives the electric signals output by other modules, processes and analyzes the electric signals, acquires different test schemes from the data storage unit, determines the electric quantity needing to be simulated and output and the judgment logic of the test schemes, outputs the electric quantity value electric signals needing to be simulated to the electric quantity input and output module, identifies whether the switching quantity electric signals fed back by the electric quantity input and output module meet the logic of the test scheme at this time, and transmits the test data to the data storage unit. The data storage unit is connected with the control circuit unit, is internally provided with various test schemes, and can quickly send the test schemes and store test results; and the protection circuit unit can identify whether the electrical state quantity of the tool reaches a threshold value or not and transmit identification information to the control circuit unit.
As shown in fig. 3, as a preferred embodiment of the present invention, the electrical quantity input/output module includes: the power supply voltage output unit outputs a specified voltage value to the power supply side of the tested equipment; a load side voltage output unit for outputting a predetermined voltage value to a load side of the device under test; the zero sequence side voltage output unit outputs a specified voltage value to the zero sequence side of the tested equipment; a current output unit for outputting a predetermined current value to the device under test; and the switch position identification unit is used for identifying the switching-on and switching-off signals of the tested equipment. The electric quantity input and output module comprises a power supply side voltage output unit, a load side voltage output unit, a zero sequence side voltage output unit, a current output unit and a switch position identification unit. In the embodiment, the power supply side voltage output unit, the load side voltage output unit, the zero sequence side voltage output unit and the current output unit can acquire the analog electric quantity value electric signals output by the core control module, and output corresponding voltage and current values to the tested equipment. The switch position identification unit can identify the switching value information fed back by the tested equipment and convert the switching value information into an electric signal to be output to the core control module.
As shown in fig. 4, as a preferred embodiment of the present invention, the human-computer interaction module includes: a data visualization unit, a command input unit; the data visualization unit is used for displaying the test process and the test result; and a command input unit for inputting commands of starting, pausing, ending and the like to the equipment. And the data visualization unit acquires the electric signals of each state in the test process from the core control module and converts the electric signals into visualization data. The command input unit can input commands of starting, pausing, ending and the like of the test, convert the commands into electric signals and output the electric signals to the core control module.
As shown in fig. 5, as a preferred embodiment of the present invention, a communication module includes: the device comprises a data receiving unit, a data processing unit and a data sending unit; the data receiving unit is connected with the upper computer and used for receiving the effective frame sent by the upper computer; the data processing unit is connected with the data receiving unit and the data sending unit and used for analyzing and packaging the corresponding complete effective frame; and the data sending unit is used for sending the effective frame from the equipment end to the upper computer. The data receiving unit receives the effective frame sent by the upper computer in an Ethernet mode and then transmits the effective frame to the data processing unit, and the data processing unit can analyze the received complete effective frame and output the effective frame to the core control unit after converting the electric signal. Meanwhile, the data processing unit receives the electric signals of each state in the testing process output by the core control unit, packages the electric signals into complete effective frames and transmits the effective frames to the data sending unit, and the data sending unit sends the effective frames to the upper computer from the equipment end in an Ethernet mode.
As shown in fig. 6, as a preferred embodiment of the present invention, the power management module includes: the system comprises an electric energy storage unit, an electric energy charging management unit and an electric energy discharging management unit; the electric energy storage unit is respectively connected with the electric energy charging management unit and the electric energy discharging management unit, and the electric energy discharging management unit provides power and the electric energy charging management unit obtains the power; the electric energy charging management unit is used for starting a device charging command; and the electric energy discharge management unit is connected with the core control unit and starts a discharge command of the electric energy storage unit. The electric energy storage unit is respectively connected with the electric energy charging management unit and the electric energy discharging management unit, supplies power to other modules through the electric energy discharging management unit, and obtains the power through the electric energy charging management unit; the electric energy charging management unit can be connected with other power supply equipment to start an equipment charging command; the electric energy discharge management unit receives an electric signal output by the electric energy sent by the core control module.
As another preferred embodiment of the invention, in the test process, the electric energy management module provides electric energy for the test equipment without externally connecting an analog circuit breaker, an emergency power supply and a relay protection tester, and the equipment is small in size and convenient to carry.
The embodiment of the present invention further provides a feeder automation logic operation and maintenance detection method, which is applied to the feeder automation logic operation and maintenance detection apparatus described above, and the operation and maintenance feeder detection method includes:
starting and inputting a test command through a man-machine interaction module;
the core control module receives the electric signal, analyzes and processes the electric signal and outputs an analysis result;
the electric quantity output module receives and determines the electric quantity and obtains the switching value, and converts the obtained switching value data into an electric signal to feed back to the core control module;
the core control module carries out real-time processing and analysis and outputs the processing result electric signals to the human-computer interaction module and the communication module.
The embodiment of the invention provides a feeder automation logic operation and maintenance detection device, and provides a feeder automation logic operation and maintenance detection method based on the operation and maintenance feeder detection device, a plurality of test schemes are built in a core control module, different test schemes do not need to be introduced in each test, and the test speed is accelerated; the testing process and the conclusion can be transmitted to the upper computer in real time through the communication module, the testing state can be mastered in real time, the automatic operation and maintenance efficiency of the feeder line is greatly improved, and the operation and maintenance cost is effectively reduced. In the test process, the electric energy management module provides electric energy for the test equipment, an external simulation circuit breaker, an emergency power supply and a relay protection tester are not needed, and the equipment is small in size and convenient to carry.
The above embodiments of the present invention are described in detail, and the principle and the implementation manner of the present invention should be described herein by using specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A feeder automation logic operation and maintenance detection device, the operation and maintenance feeder detection device comprising:
the core control module is used for storing the test scheme, acquiring the electric signal, determining the test scheme and controlling the test process;
the electric quantity input and output module is connected with the tested equipment and the core control module, and is used for simulating electric quantity when an output feeder line has a fault, acquiring switching quantity from the tested equipment and switching-on and switching-off conditions of an input feeder line automatic terminal, and transmitting acquired information to the core control module;
the human-computer interaction module is used for inputting an operation command and displaying a test flow and a test result;
the communication module is used for receiving the test starting command and sending a test result;
the upper computer sends a test instruction to the communication module, and is connected with a test result and stores the test result;
and the electric energy management module provides power.
2. The feeder automation logic operation and maintenance detection device of claim 1, wherein the core control module comprises:
the data storage unit is used for storing the test scheme, sending the test scheme and storing the test result, and sending the test result to the communication module;
the control circuit unit receives a test task starting command, acquires a test scheme from the data storage unit, determines the electrical quantity to be simulated and output and a judgment logic of the test scheme, identifies the input electrical quantity of the feeder automation terminal, and transmits test data to the data storage unit;
and the protection circuit unit is used for identifying whether the electrical state quantity of the tool reaches a threshold value or not and transmitting the identification information to the control circuit unit.
3. The feeder automation logic operation and maintenance detection device of claim 1, wherein the electrical quantity input output module comprises:
a power supply voltage output unit for outputting a specified voltage value to the power supply side of the device to be tested;
a load side voltage output unit for outputting a predetermined voltage value to a load side of the device under test;
the zero sequence side voltage output unit outputs a specified voltage value to the zero sequence side of the tested equipment;
a current output unit for outputting a predetermined current value to the device under test;
and the switch position identification unit is used for identifying the switching-on and switching-off signals of the tested equipment.
4. The feeder automation logic operation and maintenance detection device of claim 1, wherein the human-computer interaction module comprises:
the data visualization unit is used for displaying the test process and the test result;
and a command input unit for inputting a test command to the device.
5. The feeder automation logic operation detection device of claim 1, the communication module comprising:
the data receiving unit is connected with the upper computer and used for receiving the effective frame sent by the upper computer;
the data processing unit is connected with the data receiving unit and the data sending unit and used for analyzing and packaging the corresponding complete effective frame;
and the data sending unit is used for sending the effective frame to the upper computer.
6. The feeder automation logic operation detection device of claim 1, the power management module comprising:
an electric energy storage unit storing a power supply;
the electric energy charging management unit is used for starting a device charging command;
and the electric energy discharge management unit starts a discharge command of the electric energy storage unit.
7. The feeder automation logic operation and maintenance detection device of claim 1, wherein the power management module provides power to the test equipment.
8. A feeder automation logic operation and maintenance detection method applied to the feeder automation logic operation and maintenance detection device of any one of claims 1 to 7, the operation and maintenance feeder detection method comprising:
starting and inputting a test command through a man-machine interaction module;
the core control module receives the electric signal, analyzes, processes and outputs a result;
the electric quantity output module receives and determines the electric quantity and obtains the switching value, and converts the obtained switching value data into an electric signal to feed back to the core control module;
the core control module carries out real-time processing and analysis and outputs the processing result electric signals to the human-computer interaction module and the communication module.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202676832U (en) * | 2012-07-09 | 2013-01-16 | 福建省电力有限公司电力科学研究院 | Distribution network feeder line monitoring terminal integrated testing device |
| CN104122474A (en) * | 2014-08-06 | 2014-10-29 | 国网上海市电力公司 | Intelligent distributed feeder automation logic test system |
| CN204287348U (en) * | 2014-12-05 | 2015-04-22 | 国家电网公司 | A kind of voltage-time type feeder automation filed detection system |
| CN105785199A (en) * | 2016-04-29 | 2016-07-20 | 国网福建省电力有限公司 | Multifunctional power distribution terminal integrated test system and operating method thereof |
| CN106559495A (en) * | 2016-12-02 | 2017-04-05 | 国网重庆市电力公司电力科学研究院 | Feeder automation remote test system based on the Internet |
| WO2018209945A1 (en) * | 2017-05-19 | 2018-11-22 | 国网江苏省电力公司常州供电公司 | Active power distribution network feeder automation system test method |
| CN108983006A (en) * | 2018-08-10 | 2018-12-11 | 陕西银河天地智能配网技术有限公司 | Type feeder automation switch terminal scene does not have a power failure full-automatic testing method on the spot |
| CN208636396U (en) * | 2018-08-10 | 2019-03-22 | 陕西银河天地智能配网技术有限公司 | Feeder switch operating condition adaptive modeling device |
| CN110086252A (en) * | 2019-04-03 | 2019-08-02 | 国网江西省电力有限公司电力科学研究院 | A kind of polymorphic feeder automation on-site testing device |
| CN110954766A (en) * | 2019-11-29 | 2020-04-03 | 广西电网有限责任公司电力科学研究院 | Voltage and current type feeder automatic testing method |
| CN210775706U (en) * | 2019-09-29 | 2020-06-16 | 广州思泰信息技术有限公司 | Feeder automation action logic testing device |
-
2020
- 2020-11-18 CN CN202011293485.XA patent/CN112540263A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202676832U (en) * | 2012-07-09 | 2013-01-16 | 福建省电力有限公司电力科学研究院 | Distribution network feeder line monitoring terminal integrated testing device |
| CN104122474A (en) * | 2014-08-06 | 2014-10-29 | 国网上海市电力公司 | Intelligent distributed feeder automation logic test system |
| CN204287348U (en) * | 2014-12-05 | 2015-04-22 | 国家电网公司 | A kind of voltage-time type feeder automation filed detection system |
| CN105785199A (en) * | 2016-04-29 | 2016-07-20 | 国网福建省电力有限公司 | Multifunctional power distribution terminal integrated test system and operating method thereof |
| CN106559495A (en) * | 2016-12-02 | 2017-04-05 | 国网重庆市电力公司电力科学研究院 | Feeder automation remote test system based on the Internet |
| WO2018209945A1 (en) * | 2017-05-19 | 2018-11-22 | 国网江苏省电力公司常州供电公司 | Active power distribution network feeder automation system test method |
| CN108983006A (en) * | 2018-08-10 | 2018-12-11 | 陕西银河天地智能配网技术有限公司 | Type feeder automation switch terminal scene does not have a power failure full-automatic testing method on the spot |
| CN208636396U (en) * | 2018-08-10 | 2019-03-22 | 陕西银河天地智能配网技术有限公司 | Feeder switch operating condition adaptive modeling device |
| CN110086252A (en) * | 2019-04-03 | 2019-08-02 | 国网江西省电力有限公司电力科学研究院 | A kind of polymorphic feeder automation on-site testing device |
| CN210775706U (en) * | 2019-09-29 | 2020-06-16 | 广州思泰信息技术有限公司 | Feeder automation action logic testing device |
| CN110954766A (en) * | 2019-11-29 | 2020-04-03 | 广西电网有限责任公司电力科学研究院 | Voltage and current type feeder automatic testing method |
Non-Patent Citations (1)
| Title |
|---|
| 欧世锋: "配电终端自动化测试系统的设计与实现", 《广西电力》 * |
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