CN116132306A - Mobile terminal and relay protection tester collaborative automatic inspection system and method - Google Patents
Mobile terminal and relay protection tester collaborative automatic inspection system and method Download PDFInfo
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Abstract
The invention discloses a collaborative automatic inspection system of a mobile terminal and a relay protection tester, which comprises the relay protection tester connected with an inspection IED, and is characterized by further comprising the mobile terminal, a substation server and a network safety device, wherein the mobile terminal is connected with the relay protection tester through a wireless network, the mobile terminal and the relay protection tester are both connected with the network safety device through the wireless network, the network safety device is connected with the substation server through the wireless network, and the network safety device is connected with an in-station switch. The invention also discloses a method for collaborative automatic inspection of the mobile terminal and the relay protection tester, which comprises the steps of establishing a basic model library by taking the IED as a unit, generating a standardized operation instruction book through a general module configuration, being compatible with equipment of different areas, different voltage levels and different manufacturers, and having the advantages of easy maintenance, easy expansion, high compatibility and the like.
Description
Technical Field
The invention belongs to the technical field of intelligent substation secondary equipment inspection, and particularly relates to a mobile terminal and relay protection tester collaborative automatic inspection system and a mobile terminal and relay protection tester collaborative automatic inspection method.
Background
Currently, intelligent substations have been applied on a large scale nationwide, with an increasingly heavy inspection effort. In daily inspection work, relay protection testers have become an indispensable partner for electric workers. Because the universal tester software is designed according to the protection function principle and the test items, the universal test template cannot be edited to meet the test tasks of different areas, different voltage levels and different equipment manufacturers.
In the field inspection process, the inspection is usually carried out by taking the interval as a unit, the devices in the interval are more and the distance is long, and the inspection is carried out for a plurality of times by using a tester according to functions and items; the parameter setting is too numerous and complex, and has higher technical requirements for users; the standardization, standardization and automation of the inspection process cannot be realized according to the inspection task book, and the working efficiency is different from person to person; the test results also need to be manually evaluated, which consumes a great deal of field work time.
In addition, the tester in the inspection needs to input a process layer signal through the optical fiber access transformer substation process network, so that unnecessary disassembly and wiring work is increased, and the safety of the transformer substation network is threatened.
Disclosure of Invention
The invention aims at overcoming the defects in the prior art, and provides a mobile terminal and relay protection tester collaborative automatic inspection system and a mobile terminal and relay protection tester collaborative automatic inspection method.
The above object of the present invention is achieved by the following technical solutions:
the mobile terminal and relay protection tester collaborative automatic inspection system comprises a relay protection tester connected with an inspection IED, and further comprises a mobile terminal, a substation server and a network safety device, wherein the mobile terminal is connected with the relay protection tester through a wireless network, the mobile terminal and the relay protection tester are both connected with the network safety device through the wireless network, the network safety device is connected with the substation server through the wireless network, and the network safety device is connected with an in-station switch.
The mobile terminal as described above:
the method comprises the steps of obtaining a checking task book, an SCD file and an access history checking report form from a substation server;
the method is also used for issuing a test control command and a test task to the communication relay protection tester, acquiring a real-time test result of the communication relay protection tester, and displaying the test result in a matched manner with the corresponding test task;
and the system is also used for generating a test report form according to the test result and uploading the test report form, the test schedule form and the like to the substation server through the network security device.
Relay protection tester as described above:
the test control command and the test result are used for responding to the communicated mobile terminal and uploading the test control command and the test result to the communicated mobile terminal;
the method is also used for acquiring GSE information and MMS information from the substation server;
the intelligent substation inspection system is also used for associating the inspection task book with the actual transformer substation interval, and automatically associating the IED model, the MMS information model and the GSE information model with actual equipment according to the SCD file to complete the instantiation of the inspection task book;
and is also used for carrying out logic evaluation according to the GSE information and MMS information after the test is completed, obtaining the evaluation result of each test task and generating the test result,
the substation server is used for establishing a basic model library, constructing a test task according to the basic model library and the universal module, and generating a test task book.
A collaborative automatic inspection method for a mobile terminal and a relay protection tester comprises the following steps:
step 1, in a substation server, taking IED as a unit, establishing a basic model library, wherein the basic model library comprises an IED model library, an MMS information model library and a GSE information model library;
step 2, establishing a checking task in the substation server, establishing an evaluation logic corresponding to the checking task,
step 3, checking task sets of all IEDs in the checking interval form a corresponding checking task book;
step 4, selecting an inspection interval in the mobile terminal, and instantiating an inspection task book according to the selected inspection interval by a relay protection tester communicated with the mobile terminal;
step 5, building a test system, and starting collaborative automatic inspection;
and 6, evaluating through a relay protection tester according to the evaluation logic to obtain the evaluation result of each test task and generating a test result.
Step 1 as described above comprises the steps of:
step 1.1: taking a single secondary device in an intelligent substation as a unit, and establishing an IED model library in a classified manner, wherein the IED model comprises an IED model ID, IED model description, device names, interval attributes, device types and device set-up attributes;
step 1.2: selecting a single IED model, and establishing an MMS information model library and a GSE information model library under the selected IED model;
step 1.3: selecting a single MMS information model, and establishing a terminal library of MMS information model addresses in the selected single MMS information model;
step 1.4: and selecting a single GSE information model, and establishing a terminal library of GSE information model addresses in the selected single GSE information model.
Step 2 as described above comprises the steps of:
step 2.1: according to the checking content, a general module is established in a classified manner;
step 2.2: establishing an inspection task based on the universal module by taking the interval as a unit;
step 2.3: and compiling evaluation logic corresponding to the checking task based on the MMS information model and the GSE information model.
The evaluation logic is obtained based on the following steps, the MMS information and the GSE information corresponding to the inspection task are obtained, and the MMS information, the GSE information, the logic expression and the logic right value are combined to generate the regular expression.
Step 4 as described above comprises the steps of:
step 4.1: selecting a transformer substation and importing an SCD file;
step 4.2: selecting a checking interval and acquiring a checking task book;
step 4.3: according to the inspection interval, completing automatic instantiation of the IED model, the MMS information model and the GSE information model; after the IED model, the MMS information model and the GSE information model are instantiated, the IED model, the MMS information model and the GSE information model are automatically synchronized to the corresponding IED model, the MMS information model and the GSE information model in each inspection task, and the instantiation of all inspection tasks is completed, so that the instantiation of an inspection task book is realized.
In step 4.1 described above, the substation information and the SCD file are acquired by the mobile terminal from the substation server;
the step 4.2 of obtaining the test task book is that the mobile terminal traverses the test task book list from the substation server according to the interval attribute of the test interval, obtains the corresponding test task book and issues the test task book to the communicated relay protection tester;
in the step 4.3, the IED model is automatically instantiated as: traversing all IEDs in the checking interval, comparing the IEDs in the checking interval with the IED model one by one, and associating the IEDs in the checking interval with the IED model one by one when parameters such as interval attribute, equipment type, device set attribute and the like are consistent;
after the IED model is instantiated, IED names, station control layer network addresses, MMS data set information, GSE sending data set information, GSE receiving data set information and SV sending data information of corresponding IEDs are obtained from the SCD file;
the implementation process of the MMS information model comprises the following steps: the MMS data set information obtained from the SCD file is matched with the MMS data set information according to the type, the reference address of each MMS information of the MMS data set information is traversed and compared with the terminal library under the corresponding type of the MMS information model one by one, and when the reference address of the MMS information exists in the terminal library of the MMS information model, the MMS information model is associated with the MMS information, so that the MMS information model instantiation is realized;
the specific implementation process of the GSE information model comprises the following steps: traversing the reference address of each GSE information of the GSE control block under the GSE transmitting data set and the GSE receiving data set, comparing the reference address with the terminal library of the GSE information model one by one, and when the reference address of the GSE information exists in the terminal library of the GSE information model, associating the GSE information model with MMS information to realize the instantiation of the GSE information model.
Step 5 as described above comprises the steps of: the secondary equipment and the relay protection tester are in one-to-one connection by taking the inspection interval as a unit, the relay protection tester and the mobile terminal are in one-to-one connection, the mobile terminal is in one-to-many connection, and the mobile terminal can communicate with the connected relay protection tester or wirelessly communicate with the relay protection testers connected with other mobile terminals through other mobile terminals;
the step 6 comprises the following steps: the in-station network acquires GSE messages and MMS messages which are sent by each IED in the inspection interval in real time, and pushes the GSE messages and the MMS messages to the relay protection tester through the network safety device; after the relay protection tester completes the test of each test task, the received MMS and GSE information attribute values are corresponding to the MMS information model and the GSE information model corresponding to the regular expression, the regular expression is calculated, the final output is 0, and the evaluation result is unqualified; and the output is 1, the evaluation result is qualified, the relay protection tester sends the evaluation result of each test task to the communicated mobile terminal, and the mobile terminal generates a test report according to the evaluation result and uploads the test report to the substation server through the network security device.
Compared with the prior art, the invention has the following advantages and positive effects:
1) According to the invention, the basic model library is established by taking the IED as a unit, and the standardized test task book is generated by the universal module, so that the standard test task book is compatible with equipment of different areas, different voltage levels and different manufacturers, and has the advantages of easiness in maintenance, easiness in expansion, high compatibility and the like;
2) In the testing process of the relay protection tester, MMS and GSE information is acquired from a server through a network safety device only by outputting samples through a cable, GSE is not output to a process layer network of a transformer substation, and the safety in the testing process is greatly improved;
3) The relay protection tester can control the simultaneous output of a plurality of relay protection testers through a plurality of terminals, so that the test is not limited by the distance of the device, the test application scene is expanded, and the test convenience is greatly improved;
4) The method can start a plurality of inspection tasks through a plurality of mobile terminals, and realize automatic collaborative inspection through wireless network data sharing among the mobile terminals, thereby greatly shortening inspection period and improving work efficiency.
Drawings
FIG. 1 is a schematic diagram of the overall architecture of the system of the present invention;
FIG. 2 is a schematic diagram of the inspection flow of the method of the present invention;
FIG. 3 is a schematic diagram of a base model library of the method of the present invention;
FIG. 4 is a schematic illustration of an exemplary base model library of the method of the present invention;
FIG. 5 is a schematic diagram of field test wiring for an embodiment of the present invention.
Detailed Description
The present invention will be further described in detail below in conjunction with the following examples, for the purpose of facilitating understanding and practicing the present invention by those of ordinary skill in the art, it being understood that the examples described herein are for the purpose of illustration and explanation only and are not intended to limit the invention.
A mobile terminal and relay protection tester collaborative automatic inspection system comprises a mobile terminal, a relay protection tester, a substation server and a network safety device. The substation server acquires process layer information (GSE information) and station control layer information (MMS information) of the whole-station IED through an inter-station machine, pushes the station control layer information to a master station server, and monitors the operation condition of the whole substation at a remote end through the master station server; the network safety device is a network isolation device, and devices (including a substation server, a mobile terminal and a relay protection tester) for ensuring external access cannot influence the network safety in the station and do not perform other functional processing.
The mobile terminal and the relay protection tester are external test terminals, and can interact with the network in the station in the checking process, and the security of the network in the station can be ensured only through network isolation during access;
as shown in fig. 1, in the system, a mobile terminal is connected with a relay protection tester through a wireless network and is connected with a substation server through a network security device through the wireless network; the relay protection tester is connected with the mobile terminal through a wireless network and is connected with the substation server through a network safety device through the wireless network; the substation server is connected with the mobile terminal and the relay protection tester through the network security device by a wireless network.
The mobile terminal comprises a mobile terminal wireless communication module, a mobile terminal data processing module and a mobile terminal man-machine interaction module; in this embodiment, the mobile terminal wireless communication module is implemented through a WIFI module, and wireless communication is implemented by connecting to the same WIFI hotspot, and the relay protection tester and the wireless communication module in the substation server are the same as:
1. the mobile terminal interacts with the substation server, and in this embodiment, the mobile terminal needs to obtain a test task book, an SCD file, an access history test report form, and the like from the substation server; meanwhile, the mobile terminal can upload the inspection report form, the inspection schedule and the like to the substation server through the network security device;
2. the mobile terminal interacts with the relay protection tester, responds to interface operation of the man-machine interaction module, issues a test control command and a test task to the relay protection tester, and simultaneously acquires real-time test results of the relay protection tester;
3. the mobile terminal interacts with other mobile terminals to acquire test results of other mobile terminals in the same network, and meanwhile sends the test results of the side to the other mobile terminals;
the data processing module of the mobile terminal is used for issuing test control commands, classifying and processing the received test results, matching the test results with corresponding test tasks and displaying the test results to the man-machine interaction module of the mobile terminal; the mobile terminal man-machine interaction module is used for responding to the interface operation instruction output by the mobile terminal data processing module.
The relay protection tester comprises a testing end wireless communication module, a test control module, an instantiation module, a testing end data processing module, a signal output module and a signal acquisition module; the test terminal wireless communication module is used for carrying out data interaction with the mobile terminal and the substation server; the test control module is used for responding to the test control commands of the communicated mobile terminal, including commands such as test start, test pause, test stop and the like, and controlling self-checking task switching, test result uploading, process layer information (GSE information) acquisition from a sub-station server, station control layer information (MMS information) and the like; the instantiation module is used for associating the inspection task book with the actual transformer substation interval, automatically associating the IED model, the MMS information model and the GSE information model with actual equipment according to the SCD file, and completing the instantiation of the inspection task book; the data processing module is used for performing fault calculation on each test task in the instantiated test task book and a test result obtained from the relay protection tester after each test task is tested, and is also used for obtaining process layer information (GSE information) and station control layer information (MMS information) calculation logic evaluation from the substation server after the test is completed; the signal output module is used for outputting the calculated sampling value, and can output conventional sampling through a cable or SV message through an optical network port; the signal acquisition module acquires process layer information (GSE information) and station control layer information (MMS information) from the substation server through the WIFI network.
The substation server comprises a substation wireless communication module, an information modeling module, a task configuration module and a data storage module; the substation wireless communication module is used for carrying out data interaction with the mobile terminal and the relay protection tester; the information modeling module is used for establishing a basic model library; the free configuration module is used for constructing a test task according to the basic model library and the universal module to generate a test task book; the data storage module is used for storing SCD files, a basic model library, a test task book, a test schedule and the like.
As shown in fig. 2, a method for collaborative automatic inspection of a mobile terminal and a relay protection tester includes the following steps:
step 1: classifying and establishing a basic model library by taking IED as a unit;
step 2: establishing an inspection task based on the universal module;
step 3: based on the inspection task, generating an inspection task book in a free configuration mode;
step 4: selecting a test object, and instantiating a test task book;
step 5: constructing a test system, and starting collaborative automatic inspection;
step 6: uploading test results, and checking information and warehousing;
step 1: establishing a basic model library in a substation server, specifically, establishing a basic model library by taking IEDs as units, wherein the basic model library comprises an IED model library, an MMS information model library and a GSE information model library;
as shown in fig. 3, the base model library established in this embodiment is shown in fig. 3, where the left list is an IED model library, and the right list is an MMS information model library and a GSE information model library; the establishment of the basic model library comprises the following steps:
step 1.1: taking a single secondary device in an intelligent substation as a unit, and establishing an IED model library in a classified manner;
step 1.2: selecting a single IED model, and establishing an MMS information model library and a GSE information model library under the selected IED model;
step 1.3: selecting a single MMS information model, and establishing a terminal library of MMS information model addresses in the selected single MMS information model;
step 1.4: selecting a single GSE information model, and establishing a terminal library of GSE information model addresses in the selected single GSE information model;
further, the IED models in step 1.1 are classified according to interval attribute, equipment type and device set;
further, the IED model comprises an IED model ID, an IED model description, a device name, an interval attribute, a device type and a device set attribute;
in the implementation example, the IED model ID is a 16-bit character string automatically generated by a computer when the IED model is created, is used as a unique mark of the IED model, cannot be modified, and is synchronously stored when the IED model is stored;
the IED model description is used for distinguishing the IED model, comprises a text description for external presentation and can be freely modified;
the device name is obtained automatically from the SCD file after the IED model is instantiated, and the actual device name associated with the IED model is not modifiable after the IED model is instantiated;
the interval attribute includes: line interval, bus interval, main transformer interval, spare power automatic switching interval, bus-tie interval, sectionalizing interval, switching interval and breaker interval;
the device types include: protection, merging unit, intelligent terminal, and measurement and control.
The configuration set refers to that when the IEDs are configured in a double-set mode, 2 corresponding IED models are established, interval attributes and equipment types of the 2 IED models are consistent, but one set of device set attributes is a first set, and the other set of device set attributes is a second set; when the IED is in single-set configuration, only 1 IED model is built; in this embodiment, the first set of the device set attribute is denoted by "a", the second set of the dual set attribute is denoted by "B", and the single set attribute is not denoted.
In the embodiment, the left list line protection, line merging unit, line intelligent terminal and line measurement and control belong to the line interval; bus protection, bus merging units, bus intelligent terminals and bus measurement and control belong to bus intervals; main transformer protection, main transformer merging unit, main transformer intelligent terminal, main transformer measurement and control belong to main transformer interval, and are not marked and are all single-set configuration.
Further, in step 1.2, the MMS information model and the GSE information model are built by taking IED as a unit;
in the embodiment, according to the type of the IED data set, establishing an MMS information model according to fixed values, control words, pressing plates, remote signaling, remote sensing, remote control, equipment parameters and action signals in a classified manner; and establishing a GSE information model according to the IED total GSE sending data set.
The MMS information model includes an MMS information model ID, an MMS information model description, an MMS information model name, and an MMS information model address.
The MMS information model ID is a 16-bit character string, is used as a unique mark of the MMS information model, cannot be modified, and is synchronously stored when the MMS information model is stored; the MMS information model description is used for distinguishing the MMS information model, comprises a text description for external display and can be freely modified; the name of the MMS information model is the actual MMS information description associated with the MMS information model after the MMS information model is instantiated, and the MMS information description is obtained from the SCD file and cannot be modified after the instantiation; the MMS information model address is the reference address of the actual MMS information associated with the MMS information model address after the instantiation, and the reference address is obtained from the SCD file and cannot be modified after the instantiation.
The GSE information model comprises a GSE information model ID, a GSE information model description, a GSE information model name and a GSE information model address.
The GSE information model ID is a 16-bit character string, is used as a unique mark of the GSE information model, cannot be modified, and is synchronously stored when the GSE information model is stored; the GSE information model description is used for distinguishing the GSE information model, comprises text description for external display and can be freely modified; the name of the GSE information model is the actual GSE information description associated with the GSE information model after the GSE information model is instantiated, the actual GSE information description is obtained from the SCD file, and the GSE information model cannot be modified after the GSE information model is instantiated; the GSE information model address is a reference address of the actual GSE information associated with the GSE information model address after the GSE information model address is instantiated, and the GSE information model address is obtained from an SCD file and cannot be modified after the GSE information model address is instantiated;
the information under the right list node shown in fig. 3 is a terminal library of the MMS information model address, each terminal library contains a plurality of pieces of reference information, when the information library is built, the actual MMS entries corresponding to the present MMS information model are searched according to different IEDs in different SCD files, the reference addresses are collected and stored in the terminal library of the MMS information model address, and in the process of task book instantiation, the automatic association of the MMS information model is completed according to the reference addresses. The terminal library process of the GSE information model is the same.
Step 2: the method comprises the steps of establishing a checking task in a substation server, specifically, establishing the checking task based on a general module, and simultaneously establishing evaluation logic corresponding to the checking task, wherein the method specifically comprises the following steps of:
step 2.1: according to the checking content, a general module is established in a classified manner;
step 2.2: establishing an inspection task based on the universal module by taking the interval as a unit;
step 2.3: compiling evaluation logic corresponding to the inspection task based on the MMS information model and the GSE information model;
in the embodiment, according to the inspection content of the inspection equipment, the general modules are divided into a prompt inspection general module, a logic judgment general module, a pressing plate switching general module and a whole group of test general modules; wherein:
prompting the general module of the inspection class: in the inspection process, related operation cannot be performed through the relay protection tester, and the correctness of the operation cannot be judged by acquiring feedback information through the relay protection tester, so that the inspection personnel are required to be prompted to perform manual operation and manual confirmation by editing and prompting inspection task items.
Logic judgment type general module: in the checking process, the relay protection tester is not required to send samples, and only MMS information and GSE information are required to be extracted for logic evaluation to judge whether the state of the tested equipment meets the requirement.
General module of class is thrown to clamp plate: in the checking process, an MMS instruction is required to be sent through a relay protection tester, the control word switching and the pressing plate switching are remotely controlled, the MMS information of corresponding checking equipment is obtained, and whether the control word switching and pressing plate state meets the requirements or not is automatically judged.
The whole group of test type universal modules: and in the checking process, a relay protection tester sends samples to the checking equipment according to the set testing logic, and meanwhile, MMS information and GSE information are extracted to judge whether the functional logic of the checking equipment meets the requirements.
Generally, test logic of the inspection equipment is established according to equipment type classification, for example, line protection mainly comprises distance protection, zero sequence protection, reclosing test and the like; bus protection includes differential protection, dead zone protection, failure protection, and the like; the main transformer protection comprises differential protection, double-pressure locking, zero sequence direction and the like; these are all basic test logic units of the whole set of test classes, which are selected to be invoked when creating test content.
And creating test contents according to the universal module, specifically creating an order to mainly test tasks. Taking the distance protection function of checking line protection as an example, four checking tasks need to be created:
the first inspection task is to manually prompt the universal module of the class to prompt an inspector to set inspection equipment in an overhauling state;
checking task II, using logic judgment type universal module to obtain checking equipment maintenance mark MMS information message, judging whether current checking equipment is set maintenance state;
checking a third task, namely throwing and withdrawing the universal module by using the pressing plate, remotely throwing a distance protection control word and a distance protection soft pressing plate, judging whether the throwing is successful, and if not, not correctly making protection logic check;
checking task four, namely selecting a distance protection basic logic test unit by using a whole group of test type universal modules, writing corresponding evaluation logic in test evaluation, and checking whether a protection function meets the requirement;
the four inspection tasks together form a distance protection function inspection task of line protection, and other inspection items such as zero sequence protection, reclosing test and the like of the line protection are also built according to the respective content, and all the inspection items of the distance protection together form an inspection task of the inspection equipment, so that an inspection task book of an inspection interval can be built according to a mode of flexible configuration;
in this embodiment, the process of compiling the evaluation logic is that the test task established in step 2.2 is different according to different test objects and test contents, and the MMS information and GSE information to be judged are also different; therefore, each checking task can combine MMS information, GSE information, a logic expression and a logic right value to generate a regular expression according to the requirement, and the regular expression is used as an evaluation principle of whether the checking task is correct or not;
the logic expression includes: greater than (>), less than (<), and equal (=), unequal (+++), logical AND (≡), logical OR (||), logical NOT (|), bracket (()); the logical right value is generated by a combination of basic digital units comprising: 0. 1, 2, 3, 4, 5, 6, 7, 8, 9, decimal ();
the evaluation logic is composed of a plurality of basic regular expressions, such as (((a=1) & & (b < 1)) | (c > 2)); where "a=1", "b <1", "c >2" is a basic regular expression, it must be composed in a specific form, specifically: MMS info/GSE info + logical expression + logical right value; and each basic logic must be wrapped with "()" to prioritize the logic, i.e. the evaluation logic first determines "a=1", takes the logical AND with "b <1", takes the logical OR with "c >2", and takes the logical OR with the final value as the evaluation result.
Step 3: generating a checking task book in the substation server, specifically, based on the checking task, generating the checking task book according to the checking task of the IED to be checked;
in the embodiment, the test task book in step 3 is established by taking the interval type as a unit and classifying according to the area, the voltage level and the wiring form; the interval is formed by assembling IEDs with the same interval attribute in an IED model library in the step 1, such as line protection, a line merging unit, a line intelligent terminal and line measurement and control; the inspection task book is formed by integrating the inspection tasks established in the step 2 by all IEDs in the interval;
step 4: selecting an inspection interval in the mobile terminal, and instantiating an inspection task book according to the selected inspection interval by a relay protection tester communicated with the mobile terminal;
as shown in fig. 4, the step 4 of instantiating the task book includes the following steps:
step 4.1: selecting a substation, and importing a substation configuration file (SCD file);
step 4.2: selecting a checking interval and acquiring a checking task book;
step 4.3: according to the inspection interval, completing automatic instantiation of the IED model, the MMS information model and the GSE information model; after the IED model, the MMS information model and the GSE information model are instantiated, the IED model, the MMS information model and the GSE information model are automatically synchronized to the corresponding IED model, the MMS information model and the GSE information model in each inspection task, and the instantiation of all inspection tasks is completed, so that the instantiation of an inspection task book is realized;
further, in step 4.1, substation information and SCD files are obtained from the substation server by the mobile terminal, and after the mobile terminal selects a testing substation, an inspector automatically downloads the SCD files and sends the SCD files to the relay protection tester;
further, in the step 4.2, the acquiring of the checking task book is that the mobile terminal traverses the checking task book list from the substation server according to the interval attribute of the checking interval, acquires the corresponding checking task book and issues the corresponding checking task book to the communicated relay protection tester;
further, in step 4.3: the IED model automatic instantiation concretely comprises the following implementation modes: traversing all IEDs in the checking interval, comparing the IEDs in the checking interval with the IED model one by one, and associating the IEDs in the checking interval with the IED model one by one when parameters such as interval attribute, equipment type, device set attribute and the like are consistent;
further, after the IED model is instantiated, IED names, station control layer network addresses, MMS data set information, GSE sending data set information, GSE receiving data set information and SV sending data information of the corresponding IEDs are obtained from the SCD file and used for automatic association of the MMS information model and the GSE information model;
further, the specific implementation process of the instantiation of the MMS information model in step 4.3 is that after the corresponding instantiated IED model is found according to the classification of the MMS information model, the MMS information model is matched with the MMS data set information according to the type, the reference address of each MMS information of the MMS data set information is traversed and compared with the terminal library in the corresponding type of the MMS information model one by one, and when the reference address of the MMS information exists in the terminal library of the MMS information model, the MMS information model is associated with the MMS information, so as to implement the instantiation of the MMS information model;
further, the matching principle of the MMS information model and the MMS data set information is as follows: the MMS data set information classification list obtained from the SCD comprises dsSetting, dsRelayEna, dsRelayDin, dsRelayAin, dsParameter, dsTripInfo and the like, the types in the MMS information model are compared with the MMS data set information classification list, and a fixed value and a control word in the MMS information model are matched with dsSetting in the MMS data set information; matching a pressing plate in the MMS information model with dsRelay Ena in MMS data set information; matching the remote signaling in the MMS information model with dsRelay Din in the MMS data set information; matching telemetry in the MMS information model with dsRelay ain in MMS data set information; matching the device parameters in the MMS information model with dsParameter in the MMS data set information; matching the protection action in the MMS information model with dsTripInfo in the MMS data set information;
further, the specific implementation process of the instantiation of the GSE information model in step 4.3 is to traverse the obtained GSE sending dataset and the reference address of each GSE information of the GSE control block under the GSE receiving dataset, compare the reference address with the terminal library of the GSE information model one by one, and associate the GSE information model with the MMS information when the reference address of the GSE information exists in the terminal library of the GSE information model, so as to implement the instantiation of the GSE information model;
step 5: constructing a test system, and starting collaborative automatic inspection;
as shown in fig. 5, in the step 5, the test system is built by using the test interval as a center, sequentially connecting different secondary devices in the test interval with different relay protection testers through cables, connecting each relay protection tester with a corresponding mobile terminal through a wireless network, connecting the mobile terminal with the relay protection tester and other mobile terminals through the wireless network, and connecting the mobile terminal and the relay protection tester with a substation server through a network safety device; the secondary equipment of the checking interval is connected with the substation server through the in-station network;
further, the secondary equipment is in one-to-one connection with the relay protection tester, the relay protection tester is in one-to-one connection with the mobile terminal, and the mobile terminals are in one-to-many connection; the mobile terminal can be communicated with the relay protection tester connected with the mobile terminal or can be communicated with the relay protection tester connected with other mobile terminals in a wireless way through other mobile terminals; according to the connection relation between the devices in the test system, the collaborative inspection under different modes can be realized, and the method specifically comprises the following steps:
1. different mobile terminals test different test intervals;
2. different mobile terminals check different IEDs of the same check interval;
3. different mobile terminals check different checking tasks under the same IED at the same checking interval;
in this embodiment, there are line protection, line merging unit, line intelligent terminal, line measurement and control in the line interval, can be connected with 4 check out test set through the cable respectively with 4 relay protection testers, be connected with 4 relay protection testers with 4 mobile terminals, when checking, obtain same check task, begin the check task of this check out test set respectively, accomplish the check out of this check out test set automatically, after the check is accomplished, the terminal side synchronizes the test result of 4 check out test set. Through the cooperative test of a plurality of mobile terminals and a plurality of relay protection testers, the test efficiency is greatly improved.
In addition, during the inspection, the relay protection tester or the mobile terminal does not need to be connected to a process layer network, and GSE information and MMS information are pushed to the terminal and the tester by the server through the data management unit, the security fort machine and the security data interaction gateway.
The network security device composed of the security fort machine and the security data interaction gateway also greatly reduces the influence of the terminal and the tester on the network in the station in the inspection process, and improves the security and the documentation.
The test result in the step 6 is evaluated by the relay protection tester according to the evaluation logic, specifically, a server acquires a GSE message and an MMS message which are sent by each IED in a test interval in real time through an in-station network, and then the GSE message and the MMS message are pushed to the relay protection tester through a network safety device; after the relay protection tester completes the test of each test task, the received MMS and GSE information attribute values are corresponding to the MMS information model and the GSE information model corresponding to the regular expression, the regular expression is calculated, and finally the output is 0, and if the logic item with the test task does not meet the test requirement, the evaluation is failed; if the output is 1, the logic entries of all the inspection tasks meet the inspection requirements, and the evaluation is qualified;
and step 6, uploading test results, including the evaluation results of each inspection task, wherein the relay protection tester uploads the evaluation result of each inspection task to the communicated mobile terminal, the mobile terminal displays the evaluation result to the user, and meanwhile, the mobile terminals send the evaluation results of the side to other mobile terminals, so that the synchronization of multiple mobile terminals is realized. After all the inspection tasks are inspected, the mobile terminal generates an inspection report according to the evaluation result, and uploads the inspection report to the substation server through the network security device, and the inspection result is put in storage.
It should be noted that the specific embodiments described in this application are merely illustrative of the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or its scope as defined in the accompanying claims.
Claims (10)
1. The mobile terminal and relay protection tester collaborative automatic inspection system comprises a relay protection tester connected with an inspection IED, and is characterized by further comprising a mobile terminal, a substation server and a network safety device, wherein the mobile terminal is connected with the relay protection tester through a wireless network, the mobile terminal and the relay protection tester are both connected with the network safety device through the wireless network, the network safety device is connected with the substation server through the wireless network, and the network safety device is connected with an in-station switch.
2. The system for automatically detecting cooperation between a mobile terminal and a relay protection tester according to claim 1, wherein the mobile terminal:
the method comprises the steps of obtaining a checking task book, an SCD file and an access history checking report form from a substation server;
the method is also used for issuing a test control command and a test task to the communication relay protection tester, acquiring a real-time test result of the communication relay protection tester, and displaying the test result in a matched manner with the corresponding test task;
and the system is also used for generating a test report form according to the test result and uploading the test report form, the test schedule form and the like to the substation server through the network security device.
3. The mobile terminal and relay protection tester collaborative automatic inspection system according to claim 2, wherein the relay protection tester:
the test control command and the test result are used for responding to the communicated mobile terminal and uploading the test control command and the test result to the communicated mobile terminal;
the method is also used for acquiring GSE information and MMS information from the substation server;
the intelligent substation inspection system is also used for associating the inspection task book with the actual transformer substation interval, and automatically associating the IED model, the MMS information model and the GSE information model with actual equipment according to the SCD file to complete the instantiation of the inspection task book;
and is also used for carrying out logic evaluation according to the GSE information and MMS information after the test is completed, obtaining the evaluation result of each test task and generating the test result,
the substation server is used for establishing a basic model library, constructing a test task according to the basic model library and the universal module, and generating a test task book.
4. The method for collaborative automatic inspection of the mobile terminal and the relay protection tester is characterized by comprising the following steps of:
step 1, in a substation server, taking IED as a unit, establishing a basic model library, wherein the basic model library comprises an IED model library, an MMS information model library and a GSE information model library;
step 2, establishing a checking task in the substation server, establishing an evaluation logic corresponding to the checking task,
step 3, checking task sets of all IEDs in the checking interval form a corresponding checking task book;
step 4, selecting an inspection interval in the mobile terminal, and instantiating an inspection task book according to the selected inspection interval by a relay protection tester communicated with the mobile terminal;
step 5, building a test system, and starting collaborative automatic inspection;
and 6, evaluating through a relay protection tester according to the evaluation logic to obtain the evaluation result of each test task and generating a test result.
5. The method for collaborative automatic inspection between a mobile terminal and a relay protection tester according to claim 4, wherein step 1 comprises the steps of:
step 1.1: taking a single secondary device in an intelligent substation as a unit, and establishing an IED model library in a classified manner, wherein the IED model comprises an IED model ID, IED model description, device names, interval attributes, device types and device set-up attributes;
step 1.2: selecting a single IED model, and establishing an MMS information model library and a GSE information model library under the selected IED model;
step 1.3: selecting a single MMS information model, and establishing a terminal library of MMS information model addresses in the selected single MMS information model;
step 1.4: and selecting a single GSE information model, and establishing a terminal library of GSE information model addresses in the selected single GSE information model.
6. The method for collaborative automatic inspection between a mobile terminal and a relay protection tester according to claim 5, wherein step 2 comprises the steps of:
step 2.1: according to the checking content, a general module is established in a classified manner;
step 2.2: establishing an inspection task based on the universal module by taking the interval as a unit;
step 2.3: and compiling evaluation logic corresponding to the checking task based on the MMS information model and the GSE information model.
7. The method for collaborative automatic inspection of a mobile terminal and a relay protection tester according to claim 6, wherein the evaluation logic obtains MMS information and GSE information corresponding to an inspection task based on the following steps, and the MMS information, the GSE information, the logic expression and the logic right value are combined to generate a regular expression.
8. The method for collaborative automatic inspection between a mobile terminal and a relay protection tester according to claim 7, wherein the step 4 comprises the steps of:
step 4.1: selecting a transformer substation and importing an SCD file;
step 4.2: selecting a checking interval and acquiring a checking task book;
step 4.3: according to the inspection interval, completing automatic instantiation of the IED model, the MMS information model and the GSE information model; after the IED model, the MMS information model and the GSE information model are instantiated, the IED model, the MMS information model and the GSE information model are automatically synchronized to the corresponding IED model, the MMS information model and the GSE information model in each inspection task, and the instantiation of all inspection tasks is completed, so that the instantiation of an inspection task book is realized.
9. The method for collaborative automatic inspection between a mobile terminal and a relay protection tester according to claim 8, wherein in step 4.1, substation information and SCD files are obtained by the mobile terminal from a substation server;
the step 4.2 of obtaining the test task book is that the mobile terminal traverses the test task book list from the substation server according to the interval attribute of the test interval, obtains the corresponding test task book and issues the test task book to the communicated relay protection tester;
in the step 4.3, the IED model is automatically instantiated as: traversing all IEDs in the checking interval, comparing the IEDs in the checking interval with the IED model one by one, and associating the IEDs in the checking interval with the IED model one by one when parameters such as interval attribute, equipment type, device set attribute and the like are consistent;
after the IED model is instantiated, IED names, station control layer network addresses, MMS data set information, GSE sending data set information, GSE receiving data set information and SV sending data information of corresponding IEDs are obtained from the SCD file;
the implementation process of the MMS information model comprises the following steps: the MMS data set information obtained from the SCD file is matched with the MMS data set information according to the type, the reference address of each MMS information of the MMS data set information is traversed and compared with the terminal library under the corresponding type of the MMS information model one by one, and when the reference address of the MMS information exists in the terminal library of the MMS information model, the MMS information model is associated with the MMS information, so that the MMS information model instantiation is realized;
the specific implementation process of the GSE information model comprises the following steps: traversing the reference address of each GSE information of the GSE control block under the GSE transmitting data set and the GSE receiving data set, comparing the reference address with the terminal library of the GSE information model one by one, and when the reference address of the GSE information exists in the terminal library of the GSE information model, associating the GSE information model with MMS information to realize the instantiation of the GSE information model.
10. The method for collaborative automatic inspection between a mobile terminal and a relay protection tester according to claim 9, wherein the step 5 includes the steps of: the secondary equipment and the relay protection tester are in one-to-one connection by taking the inspection interval as a unit, the relay protection tester and the mobile terminal are in one-to-one connection, the mobile terminal is in one-to-many connection, and the mobile terminal can communicate with the connected relay protection tester or wirelessly communicate with the relay protection testers connected with other mobile terminals through other mobile terminals;
the step 6 comprises the following steps: the in-station network acquires GSE messages and MMS messages which are sent by each IED in the inspection interval in real time, and pushes the GSE messages and the MMS messages to the relay protection tester through the network safety device; after the relay protection tester completes the test of each test task, the received MMS and GSE information attribute values are corresponding to the MMS information model and the GSE information model corresponding to the regular expression, the regular expression is calculated, the final output is 0, and the evaluation result is unqualified; and the output is 1, the evaluation result is qualified, the relay protection tester sends the evaluation result of each test task to the communicated mobile terminal, and the mobile terminal generates a test report according to the evaluation result and uploads the test report to the substation server through the network security device.
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