CN113281594B - System and method for realizing remote intelligent automatic test for relay protection - Google Patents
System and method for realizing remote intelligent automatic test for relay protection Download PDFInfo
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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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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention relates to a system for realizing remote intelligent automatic test for relay protection, which comprises a relay protection fault information processing system substation system, a microcomputer protection device, a device information collecting device and a power grid fault information receiving device, wherein the relay protection fault information processing system substation system is used for accessing a microcomputer protection device and communicating with the accessed device; the relay protection fault information processing system main station system is used for communicating with the relay protection fault information processing system sub-station system to complete calling, control, initializing sub-station configuration and receiving event information from the sub-station system; the automatic test system is connected with the relay protection fault information processing system substation system; the tester is connected with the automatic test system. The invention also relates to a method for realizing remote intelligent automatic test control for relay protection. By adopting the system and the method for realizing remote intelligent automatic test for relay protection, the automatic detection technology realizes the development in the direction of universalization and generated intellectualization of the test template, standardization of the interface program of the test instrument and simplification of the test step, and truly realizes one-key automatic test of the relay protection device.
Description
Technical Field
The invention relates to the field of power industry, in particular to the field of relay protection operation and maintenance management, and specifically relates to a system and a method for realizing remote intelligent automatic test for relay protection.
Background
With the development of the electric power industry in China, the application of new technology and the rapid promotion of smart grid construction, the intelligent transformer station makes a great breakthrough in the fields of standard formulation, equipment development, engineering construction and the like, and the application of intelligent equipment, digital technology and network control technology accelerates the technical progress of relay protection profession.
At present, the field test instrument equipment for relay protection at home and abroad mainly has the following problems:
(1) When testing, only a single function can be tested for different protection functions each time, not only setting values on the protection device are needed, the soft pressing plate and the control word of the protection function are thrown back, but also various test parameters are set manually, the workload is large and complicated, test data are to be arranged and test reports are to be filled after the test is completed, therefore, the whole protection debugging time cannot be effectively controlled, and the test result cannot be ensured to be true and reliable.
(2) All test data are manually managed, and test report formats filled by all testers are relatively chaotic and cannot be unified, so that the development of evaluation work of test operation is complicated, and effective evaluation standards and systems cannot be formed.
At present, although some research exists in the aspect of automatic testing in test systems of manufacturers of protection testers at home and abroad, the test systems are really formed and are completely close to users, and only partial automation can be realized; in the aspect of data management, a practical and efficient management method is lacking, and the management of test data cannot be unified with high efficiency; the test software of each manufacturer can only support the control of the own tester, and can not be compatible with the testers of other tester manufacturers.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a system and a method for realizing remote intelligent automatic test for relay protection, which are intelligent, simple and convenient in steps and wide in application range.
In order to achieve the above purpose, the system for realizing remote intelligent automatic test for relay protection and the method thereof of the invention are as follows:
the system for realizing remote intelligent automatic test for relay protection is mainly characterized by comprising the following components:
the relay protection fault information processing system substation system is used for accessing the microcomputer protection device, communicating with the accessed device, collecting device information and receiving action information of the connected device when a power grid fails;
the relay protection fault information processing system master station system is connected with the relay protection fault information processing system master station system and is used for communicating with the relay protection fault information processing system substation system to complete the functions of calling, controlling, initializing the substation configuration and receiving event information from the substation system;
the automatic test system is connected with the relay protection fault information processing system substation system and is used for generating a device test template;
the tester is connected with the automatic test system and is used for executing test files;
the protection device is connected with the relay protection fault information processing system substation system and the tester and is used for transmitting protection events and real-time wave recording files and generating event information and fault wave recording reports;
the method comprises the steps that a relay protection fault information processing system master station system selects a test task issued by a tested device to a relay protection fault information processing system substation system, the relay protection fault information processing system substation system receives a command and transmits the command to an automatic test system, an automatic test system generating device test template informs the relay protection fault information processing system substation system, the relay protection fault information processing system substation system acquires the test template and transmits the test template to the relay protection fault information processing system master station system, the relay protection fault information processing system master station system remotely issues the automatic test command through the test template by one key, and an automatic test system, a tester and a protection device automatically complete specified function detection according to the received command and automatically report a test result to the relay protection fault information processing system master station system.
Preferably, the relay protection fault information processing system substation system comprises:
the information protection substation module is connected with the relay protection fault information processing system master station system and the protection device and is used for transmitting specific information content in a message mode;
the virtual tester is connected with the information-preserving substation module and the automatic test system and is used for transmitting command parameters.
Preferably, the automatic test system comprises a security test management interface and an automatic test control module, wherein the automatic test control module is connected with the relay protection fault information processing system substation system through the security test management interface, and the automatic test control module transmits a message to the security test management interface.
Preferably, the automatic test system adopts 61850MMS protocol for modeling, the model established by the automatic test system comprises a fixed value data set and a remote signaling data set, the fixed value data set comprises a issued test control command, and the remote signaling data set comprises the change information of a test process and a test state.
The method for realizing remote intelligent automatic test control for relay protection based on the system is mainly characterized by comprising the following steps of:
(1) Creating a test;
(2) The main station system of the relay protection fault information processing system selects a specified test item, and notifies a tester to test the item and sub items thereof according to the path of the specified test item;
(3) Aiming at the test state and test data needing to be fed back in the test process, the test state and the test data are uploaded to a main station system of the relay protection fault information processing system through a test event flow;
(4) And (3) sending a test ending remote signaling to a relay protection fault information processing system substation system, synchronously and actively sending a corresponding test report file, and sending a test report of the whole device.
Preferably, the step (1) specifically includes the following steps:
writing a value issued by a main station system of the relay protection fault information processing system into a corresponding node of a file, and continuously calling a test creation command to an automatic test system by a sub-station system of the relay protection fault information processing system;
(1.2) the tester receives the calling command, acquires the designated file and analyzes the specific content of the command;
the automatic test system generates a corresponding device test template, and sends a test remote signaling to a relay protection fault information processing system substation system, and the relay protection fault information processing system substation system uploads the remote signaling to a relay protection fault information processing system master station system;
and (1.4) the main station system of the relay protection fault information processing system receives the remote signaling notice of 'create test', automatically goes to the sub-station system of the relay protection fault information processing system to download the test template file, and the main station system of the relay protection fault information processing system analyzes the test template, analyzes the test template file and displays the test items.
Preferably, the method further comprises the step of starting the test, specifically comprising the following steps:
the relay protection fault information processing system master station system issues a command of starting test, the automatic test system receives the command, and all test items in the test template are tested from the test template.
Preferably, the method further comprises the step of stopping the test, and specifically comprises the following processing steps:
the relay protection fault information processing system master station system issues a command of stopping test, the automatic test system receives the command, and the automatic test system sends a remote signaling of a stopping test result and stops the test.
Preferably, the step (2) specifically includes the following steps:
(2.1) the main station system of the relay protection fault information processing system issues a test specified item to inform a sub-station system of the relay protection fault information processing system of a specified item path;
(2.2) the substation issuing a command;
(2.3) the automatic test system acquires the file and analyzes node information in the file;
(2.4) judging whether the data are valid, if so, uploading a remote signaling result of the test designated item by the automatic test system, and continuing the step (2.5); otherwise, the step is exited;
(2.5) judging whether the test is successful, if so, executing the test; otherwise, the step is exited.
The system and the method for realizing remote intelligent automatic test for relay protection are adopted, so that the defects caused by manual test are effectively overcome, the field operation flow of a transformer substation is simplified, and field workers are effectively relieved from complicated test parameter setting and test result recording and the whole of a test report. The remote intelligent automatic detection technology realizes the development in the direction of universalization and generated intellectualization of the test template, standardization of the interface program of the test instrument, standardization of test report data and simplification of the test steps, and truly realizes one-key automatic test of the relay protection device.
Drawings
Fig. 1 is a schematic diagram of the structure and data flow of the system for implementing remote intelligent automatic test for relay protection according to the present invention.
Fig. 2 is a schematic diagram of a constant value data set of the system for realizing remote intelligent automatic test for relay protection according to the present invention.
Fig. 3 is a schematic diagram of a remote signaling data set of the system for implementing remote intelligent automatic test for relay protection according to the present invention.
Fig. 4 is a schematic diagram of a test command creation flow for implementing a method for remote intelligent automatic test control for relay protection according to the present invention.
Fig. 5 is a schematic diagram of a test template file for implementing a method for remote intelligent automatic test control for relay protection according to the present invention.
Fig. 6 is a schematic diagram of a start test flow of the method for implementing remote intelligent automatic test control for relay protection according to the present invention.
Fig. 7 is a schematic diagram of a stopping test flow for implementing a method for remote intelligent automatic test control for relay protection according to the present invention.
Fig. 8 is a schematic diagram of a flow chart of all unqualified items tested by the method for implementing remote intelligent automatic test control for relay protection.
Fig. 9 is a schematic diagram of a test specification item for implementing a method for remote intelligent automatic test control for relay protection according to the present invention.
Fig. 10 is a schematic diagram of a test from a designated project for implementing a method for remote intelligent automatic test control for relay protection according to the present invention.
Fig. 11 is a schematic diagram of an uplink flow of a test end remote signaling for implementing a method for remote intelligent automatic test control for relay protection according to the present invention.
Fig. 12 is a schematic diagram of a process for changing a test status of a method for implementing remote intelligent automatic test control for relay protection according to the present invention.
Detailed Description
In order to more clearly describe the technical contents of the present invention, a further description will be made below in connection with specific embodiments.
The system for realizing remote intelligent automatic test for relay protection comprises the following components:
the relay protection fault information processing system substation system is used for accessing the microcomputer protection device, communicating with the accessed device, collecting device information and receiving action information of the connected device when a power grid fails;
the relay protection fault information processing system master station system is connected with the relay protection fault information processing system master station system and is used for communicating with the relay protection fault information processing system substation system to complete the functions of calling, controlling, initializing the substation configuration and receiving event information from the substation system;
the automatic test system is connected with the relay protection fault information processing system substation system and is used for generating a device test template;
the tester is connected with the automatic test system and is used for executing test files;
the protection device is connected with the relay protection fault information processing system substation system and the tester and is used for transmitting protection events and real-time wave recording files and generating event information and fault wave recording reports;
the method comprises the steps that a relay protection fault information processing system master station system selects a test task issued by a tested device to a relay protection fault information processing system substation system, the relay protection fault information processing system substation system receives a command and transmits the command to an automatic test system, an automatic test system generating device test template informs the relay protection fault information processing system substation system, the relay protection fault information processing system substation system acquires the test template and transmits the test template to the relay protection fault information processing system master station system, the relay protection fault information processing system master station system remotely issues the automatic test command through the test template by one key, and an automatic test system, a tester and a protection device automatically complete specified function detection according to the received command and automatically report a test result to the relay protection fault information processing system master station system.
As a preferred embodiment of the present invention, the relay protection fault information processing system substation system includes:
the information protection substation module is connected with the relay protection fault information processing system master station system and the protection device and is used for transmitting specific information content in a message mode;
the virtual tester is connected with the information-preserving substation module and the automatic test system and is used for transmitting command parameters.
As a preferred embodiment of the invention, the automatic test system comprises a security test management interface and an automatic test control module, wherein the automatic test control module is connected with the relay protection fault information processing system substation system through the security test management interface, and the automatic test control module transmits a message to the security test management interface.
As a preferred embodiment of the invention, the automatic test system adopts 61850MMS protocol for modeling, and the model established by the automatic test system comprises a fixed value data set and a remote signaling data set, wherein the fixed value data set comprises a issued test control command, and the remote signaling data set comprises the change information of a test process and a test state.
The method for realizing remote intelligent automatic test control for relay protection based on the system comprises the following steps:
(1) Creating a test;
(2) The main station system of the relay protection fault information processing system selects a specified test item, and notifies a tester to test the item and sub items thereof according to the path of the specified test item;
(3) Aiming at the test state and test data needing to be fed back in the test process, the test state and the test data are uploaded to a main station system of the relay protection fault information processing system through a test event flow;
(4) And (3) sending a test ending remote signaling to a relay protection fault information processing system substation system, synchronously and actively sending a corresponding test report file, and sending a test report of the whole device.
As a preferred embodiment of the present invention, the step (1) specifically includes the steps of:
writing a value issued by a main station system of the relay protection fault information processing system into a corresponding node of a file, and continuously calling a test creation command to an automatic test system by a sub-station system of the relay protection fault information processing system;
(1.2) the tester receives the calling command, acquires the designated file and analyzes the specific content of the command;
the automatic test system generates a corresponding device test template, and sends a test remote signaling to a relay protection fault information processing system substation system, and the relay protection fault information processing system substation system uploads the remote signaling to a relay protection fault information processing system master station system;
and (1.4) the main station system of the relay protection fault information processing system receives the remote signaling notice of 'create test', automatically goes to the sub-station system of the relay protection fault information processing system to download the test template file, and the main station system of the relay protection fault information processing system analyzes the test template, analyzes the test template file and displays the test items.
As a preferred embodiment of the present invention, the method further comprises a step of starting the test, specifically comprising the following steps:
the relay protection fault information processing system master station system issues a command of starting test, the automatic test system receives the command, and all test items in the test template are tested from the test template.
As a preferred embodiment of the present invention, the method further comprises the step of stopping the test, specifically comprising the following steps:
the relay protection fault information processing system master station system issues a command of stopping test, the automatic test system receives the command, and the automatic test system sends a remote signaling of a stopping test result and stops the test.
As a preferred embodiment of the present invention, the step (2) specifically includes the following steps:
(2.1) the main station system of the relay protection fault information processing system issues a test specified item to inform a sub-station system of the relay protection fault information processing system of a specified item path;
(2.2) the substation issuing a command;
(2.3) the automatic test system acquires the file and analyzes node information in the file;
(2.4) judging whether the data are valid, if so, uploading a remote signaling result of the test designated item by the automatic test system, and continuing the step (2.5); otherwise, the step is exited;
(2.5) judging whether the test is successful, if so, executing the test; otherwise, the step is exited.
In a specific embodiment of the invention, the invention provides a remote intelligent automatic test method and system for relay protection, which consists of a relay protection fault information substation system, a relay protection fault information master station system, an automatic test system and a relay protection tester, wherein the system structure and the data flow are shown in fig. 1.
The relay protection fault information sub-station system (hereinafter referred to as a message protection sub-station) supports various main media and protocols used in the current power system, can be connected with microcomputer protection devices of different manufacturers and different models, is communicated with all connected devices, collects information of the devices, and completely receives action information of the devices connected with the protection sub-station system when a power grid breaks down, wherein the action information comprises event information and fault wave recording reports generated after the protection devices act.
The relay protection fault information master station system (hereinafter referred to as a message protection master station) can communicate with different plant stations and different types of substation systems, and the functions of calling, controlling, initializing substation configuration, receiving event information from the substation systems and the like are completed.
In recent years, regarding the development of automatic test systems in China, partial relay protection tester manufacturers release own automatic test systems: the Haomaixing 6000D series relay protection tester is based on an IEC-61850 communication protocol, can load a test module by one key, import an SCD model file and execute the test file; the Beijing Bo electric digital-analog integrated tester is suitable for testing the traditional or digital equipment of the intelligent station under the 'New six unified' specification, can directly call the testing module of the related function through a protocol, and can generate corresponding testing results when the testing is completed. The automatic test equipment provided by the manufacturer is not a strict automatic test system, only data interaction of a process layer exists between a tester and the equipment, the tester cannot modify parameters such as a fixed value of the equipment to complete information of a station control layer, and an executable test item in the test scheme is relatively fixed, mainly tests protection function logic, completes local test closed loop through time control or receiving an access node, and can only simply combine functional unit modules to design a relatively complex test process according to test requirements.
Based on the existing message-protecting main station and message-protecting sub-station, remote intelligent automatic test and point-to-point are realized, a tested device is selected through the main station system to issue a test task to the message-protecting sub-station, the message-protecting sub-station system receives a command and transmits the command to the automatic test system, the automatic test system generates a device test template to inform the message-protecting sub-station, the sub-station system acquires the test template and transmits the test template to the message-protecting main station, the message-protecting main station remotely issues an automatic test command through the test template by one key, and the automatic test system, the tester and the protection device in the station automatically complete specified function detection according to the received command and automatically report the test result to the main station.
1. Communication flow
The information-protecting main station and the information-protecting sub-station communicate by adopting national network 103 protocol, so that specific information content is transmitted to the information-protecting sub-station by the main station in a message mode, and the message content comprises an experiment equipment model, a test case creation instruction, a test item instruction, a start and stop test instruction and the like.
The communication between the credit protection substation and the automatic test system adopts 61850 communication protocol, the credit protection test management interface is a 61850 server, and the virtual tester is a 61850 client. The 61850 protocol realizes the data set calling between the signaling protection substation and the automatic test system, and the test result is sent by remote signaling notification. The control command is realized by adopting a fixed value reading mode, and parameters of the control command are determined through SFTP file transmission.
The virtual tester is an SFTP server, and the security test management interface is an SFTP client. The SFTP file transfer method is mainly used for implementing transmission of command parameters, for example: item path information of a specified item is tested.
61850 modeling:
the automatic test system is modeled by adopting 61850MMS protocol, and the model mainly comprises a constant value data set (dsSetting) and a remote signaling data set (dsRelay Din). Fig. 2 is a constant value data set, and fig. 3 is a remote signaling data set.
Constant value dataset: a constant value dataset for issued test control commands, comprising:
a) Creating a test: createTest
b) Starting the test: startTest
c) Stopping the test: stopTest
d) All reject items were tested: testAllFailedItems
e) Test specified item: testItem
f) Starting the test from the specified item: testFrom
Remote signaling data set: the remote signaling data set is used for testing the change information of the process and the test state, and comprises the following components:
a) Creating a test: createTestST
b) Starting the test: startTestST
c) Stopping the test: stopTestST
d) All reject items were tested: testAllFailedItemsST
e) Test specified item: testItemST
f) Starting the test from the specified item: testFromST
g) Test item status change: itemStateChangedST
h) Ending the test: testfinish feed st
The substation system can be connected with microcomputer protection devices of different manufacturers and different models, is communicated with all connected devices, collects information of the devices, completely receives action information of the devices connected with the substation system when a power grid fails, and comprises event information and fault wave recording reports generated after the protection devices act, and sends the action information to the information-protecting main station.
The information-protecting substation and the information-protecting master station communicate by adopting a national network 103, and the information-protecting master station system is initialized and configured to the master station system in a 103 mode.
2. Creating a test
The master station system selects a tested device to issue a TEST task, fig. 4 is a TEST command creating flow, and transmits a unique code (corresponding relation between a code and a device name) of the whole station of the device to the information protection substation through a value calling "create TEST" fixed value item, and the information protection substation generates a corresponding TEST command file in an SFTP service directory, and the file content is as follows:
TEST information command file ats_test_cmd.xml:
writing the value issued by the signaling protection master station into a corresponding node of a file, continuously calling a ' create test ' command to an automatic test system by a signaling protection substation, acquiring a designated file from an SFTP directory of the signaling protection substation after the calling command is received by a tester, acquiring a test issuing notice after the corresponding fixed value calling command is received by the automatic test system, acquiring the designated file from the SFTP directory of the signaling protection substation, analyzing the specific content of the command, generating a corresponding device test template by the automatic test system, placing the test template into an SFTP service directory of the signaling protection substation, transmitting a ' create test telemetry "to the signaling protection substation by the automatic test system, uploading the telemetry notice to the signaling protection master station system by the signaling protection substation, automatically downloading the test template file by the signaling protection substation system after the signaling protection master station receives the ' create test ' telemetry notice, analyzing the test template file, and displaying all tested items. Fig. 5 tests a template file.
3. Start testing
The message-keeping master station issues a command of starting test, the automatic test system receives the command of starting test, the test is started from the beginning of the test template, all test items in the test template are tested, and the test flow is started in FIG. 6.
The test was started and the command parameters were as follows:
4. stop testing
The signaling-protection master station issues a command of stopping test, the automatic test system receives the command of stopping test, the automatic test system sends a remote signaling of the stopping test result and stops the test, and the test flow is stopped in FIG. 7.
Stopping the test, the command parameters are as follows:
5. testing all reject items
All reject items are tested, FIG. 8 tests all reject item flow, command parameters as follows:
6. test specified item
The trust master selects a specified test item, and based on the path of the specified test item, the trust master informs the tester to test the item and its sub-items, FIG. 9 tests the specified item.
Test specification item flow example:
the message-preserving main station transmits a 'TEST specified item' to inform a message-preserving substation of a specified item path, a TEST command is transmitted from the substation to an automatic TEST system, the substation modifies an ATS_TEST_CMD.xml file, and the Value of the current_value of the Current item is updated to be the path of the specified item; the Value of current_value of the TestItem is updated to be 1, the substation issues a command for reading the Value of the TestItem, the automatic TEST system acquires an ATS_TEST_CMD.xml file according to the received TestItem reading command, analyzes information of the TestItem and the Current Item node in the file, executes related commands, and sends a remote signaling result of a 'TEST designated item'.
Starting the test from the specified item, the command parameters are as follows:
7. beginning testing from specified item
The trust master selects the specified test item, informs the tester to test the item and all its children, and all siblings and children following the item, and fig. 10 begins testing from the specified item.
Starting the test from the specified item, the command parameters are as follows:
8. test event feedback
Aiming at the test state and test data needing to be fed back in the test process, the test state and the test data are uploaded to a master station through a test event flow, and the specific flow is as follows:
the automatic test system feeds back the test event notification message-protecting substation, the message-protecting substation notifies the message-protecting main station, and the message-protecting main station completes event data display and refreshing.
The test event that the automatic test system needs feedback includes:
creation test success/failure: createTestST
Start test success/failure: startTestST
Stop test success/failure: stopTestST
Test all failed items success/failure: testAllFailedItemsST
Test specified item success/failure: testItemST
Test success/failure from specified item: testFromST
Test item status change: itemStateChangedST
Ending the test: testfinish feed st
For different test events, the remote signaling value (1 or 0) represents the success or failure of the test command execution, respectively. For remote signaling information needing to transmit other parameters, the remote signaling time and other parameters need to be recorded in an SFTP file transmission mode.
9. End of test
When all the test items are tested, the remote signaling is sent to the substation after the test is finished, and the corresponding test report files are synchronously and actively sent. For the test command of starting test, testing designated item, starting test from designated item and testing all unqualified items, after the test of all items is automatically tested, the test ending remote signaling is sent up, the test report of the whole device is sent up, and the test ending remote signaling is sent up in FIG. 11.
10. Test item state change
In the test process, when the test state of the test item is changed, the substation system is informed in a remote signaling mode, and finally the test state of the tested item is displayed in the master station system. The status of the test item changes informing the substation system of the following information:
1) Test item information: describing in a project path;
2) Test item status information: describing with a state value;
3) Time at which the test item state change occurred: described in terms of remote signaling time.
And (3) automatically testing and informing the parameter information above the substation system in a mode of SFTP file transfer while sending remote signaling of the state change of the test item.
The remote signaling file of the project state change, called the project state file, has the following file structure,
wherein:
test_item_status: a file root node;
data: parameter nodes with changed project states;
name, id, value: attributes of the data node;
ItemPath: testing the project path;
ItemState: testing the state of the project;
StateTime: the test item is changed, and the remote signaling time is sent;
when the test state of the test item changes, the test state change flow in fig. 12:
1) Under the appointed SFTP file directory, the automatic test system forms a test item state information file according to the time of state occurrence;
2) The automatic test system sends ItemStateChanged remote signaling;
3) After receiving the remote signaling, the substation acquires a corresponding file according to the remote signaling time;
the status of the test items is illustrated in the following table.
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11. Generating test reports
After the test is finished, the automatic test system sends a 'test finishing remote signaling' to the information protection substation, a word report and an XML format report are actively sent to the substation system through SFTP, the information protection main station system is notified, and the tested protection device transmits a protection event and a real-time wave recording file to the information protection substation through 61850/103 protocol to form a point-to-point test closed loop, so that a test result report is generated.
The system and the method for realizing remote intelligent automatic test for relay protection are adopted, so that the defects caused by manual test are effectively overcome, the field operation flow of a transformer substation is simplified, and field workers are effectively relieved from complicated test parameter setting and test result recording and the whole of a test report. The remote intelligent automatic detection technology realizes the development in the direction of universalization and generated intellectualization of the test template, standardization of the interface program of the test instrument, standardization of test report data and simplification of the test steps, and truly realizes one-key automatic test of the relay protection device.
In this specification, the invention has been described with reference to specific embodiments thereof. It will be apparent, however, that various modifications and changes may be made without departing from the spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (9)
1. A system for realizing remote intelligent automatic test for relay protection is characterized in that the system comprises:
the relay protection fault information processing system substation system is used for accessing the microcomputer protection device, communicating with the accessed device, collecting device information and receiving action information of the connected device when a power grid fails;
the relay protection fault information processing system master station system is connected with the relay protection fault information processing system master station system and is used for communicating with the relay protection fault information processing system substation system to complete the functions of calling, controlling, initializing the substation configuration and receiving event information from the substation system;
the automatic test system is connected with the relay protection fault information processing system substation system and is used for generating a device test template;
the tester is connected with the automatic test system and is used for executing test files;
the protection device is connected with the relay protection fault information processing system substation system and the tester and is used for transmitting protection events and real-time wave recording files and generating event information and fault wave recording reports;
the method comprises the steps that a relay protection fault information processing system master station system selects a test task issued by a tested device to a relay protection fault information processing system substation system, the relay protection fault information processing system substation system receives a command and transmits the command to an automatic test system, an automatic test system generating device test template informs the relay protection fault information processing system substation system, the relay protection fault information processing system substation system acquires the test template and transmits the test template to the relay protection fault information processing system master station system, the relay protection fault information processing system master station system remotely issues the automatic test command through the test template by one key, and an automatic test system, a tester and a protection device automatically complete specified function detection according to the received command and automatically report a test result to the relay protection fault information processing system master station system.
2. The system for implementing remote intelligent automatic test for relay protection according to claim 1, wherein the relay protection fault information processing system substation system comprises:
the information protection substation module is connected with the relay protection fault information processing system master station system and the protection device and is used for transmitting specific information content in a message mode;
the virtual tester is connected with the information-preserving substation module and the automatic test system and is used for transmitting command parameters.
3. The system for implementing remote intelligent automatic test for relay protection according to claim 1, wherein the automatic test system comprises a security test management interface and an automatic test control module, the automatic test control module is connected with a relay protection fault information processing system substation system through the security test management interface, and the automatic test control module transmits a message to the security test management interface.
4. The system for implementing remote intelligent automatic test for relay protection according to claim 1, wherein the automatic test system adopts 61850MMS protocol for modeling, the model established by the automatic test system comprises a fixed value data set and a remote signaling data set, the fixed value data set comprises issued test control commands, and the remote signaling data set comprises change information of a test process and a test state.
5. A method for implementing remote intelligent automatic test control for relay protection based on the system of claim 1, the method comprising the steps of:
(1) Creating a test;
(2) The main station system of the relay protection fault information processing system selects a specified test item, and notifies a tester to test the item and sub items thereof according to the path of the specified test item;
(3) Aiming at the test state and test data needing to be fed back in the test process, the test state and the test data are uploaded to a main station system of the relay protection fault information processing system through a test event flow;
(4) And (3) sending a test ending remote signaling to a relay protection fault information processing system substation system, synchronously and actively sending a corresponding test report file, and sending a test report of the whole device.
6. The method for implementing remote intelligent automatic test control for relay protection according to claim 5, wherein the step (1) specifically comprises the following steps:
writing a value issued by a main station system of the relay protection fault information processing system into a corresponding node of a file, and continuously calling a test creation command to an automatic test system by a sub-station system of the relay protection fault information processing system;
(1.2) the tester receives the calling command, acquires the designated file and analyzes the specific content of the command;
the automatic test system generates a corresponding device test template, and sends a test remote signaling to a relay protection fault information processing system substation system, and the relay protection fault information processing system substation system uploads the remote signaling to a relay protection fault information processing system master station system;
and (1.4) the main station system of the relay protection fault information processing system receives the remote signaling notice of 'create test', automatically goes to the sub-station system of the relay protection fault information processing system to download the test template file, and the main station system of the relay protection fault information processing system analyzes the test template, analyzes the test template file and displays the test items.
7. The method for implementing remote intelligent automatic test control for relay protection according to claim 5, wherein the method further comprises a step of starting the test, specifically comprising the following processing steps:
the relay protection fault information processing system master station system issues a command of starting test, the automatic test system receives the command, and all test items in the test template are tested from the test template.
8. The method for implementing remote intelligent automatic test control for relay protection according to claim 5, wherein the method further comprises the step of stopping the test, and specifically comprises the following processing steps:
the relay protection fault information processing system master station system issues a command of stopping test, the automatic test system receives the command, and the automatic test system sends a remote signaling of a stopping test result and stops the test.
9. The method for implementing remote intelligent automatic test control for relay protection according to claim 5, wherein the step (2) specifically comprises the following steps:
(2.1) the main station system of the relay protection fault information processing system issues a test specified item to inform a sub-station system of the relay protection fault information processing system of a specified item path;
(2.2) the substation issuing a command;
(2.3) the automatic test system acquires the file and analyzes node information in the file;
(2.4) judging whether the data are valid, if so, uploading a remote signaling result of the test designated item by the automatic test system, and continuing the step (2.5); otherwise, the step is exited;
(2.5) judging whether the test is successful, if so, executing the test; otherwise, the step is exited.
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