KR101730267B1 - Apparatus and method for checking conformance of substation automation equipment - Google Patents
Apparatus and method for checking conformance of substation automation equipment Download PDFInfo
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- KR101730267B1 KR101730267B1 KR1020150169157A KR20150169157A KR101730267B1 KR 101730267 B1 KR101730267 B1 KR 101730267B1 KR 1020150169157 A KR1020150169157 A KR 1020150169157A KR 20150169157 A KR20150169157 A KR 20150169157A KR 101730267 B1 KR101730267 B1 KR 101730267B1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
Abstract
Description
The present invention relates to an apparatus and method for checking conformity of a substation automation equipment specification, and more particularly, to an apparatus and method for conformity checking substation automation equipment conforming to a standard of a substation automation facility based on IEC 61850.
Currently, substations newly constructed in Korea are being constructed as digital substations based on IEC 61850, an international standard. The digital substation is composed of IEC 61850-based substation automation equipment (hereinafter referred to as Substation Automation (SA) equipment). At this time, the SA equipments are installed by applying a configuration according to the standard according to the usage environment.
The utility performs conformance checks to ensure that the SA installations are configured to the specifications specified by the SA prior to site installation. At this time, since the conformity check is performed by hand due to the absence of the apparatus for checking the conformity of the SA facility, there is a problem that considerable time and cost are consumed in conformity testing.
In addition, the manufacturer manufactures the SA facility according to the information standardization table provided by the electric power company, and performs visual inspection of the inspection items according to the engineering status and the information standardization table for the completed SA facility.
In this case, since the inspector performs the verification of the inspection items by hand, the error is not recognized, so that the test is performed on the basis of the incorrect data at the time of the completion test frequently, so that the trial run for the operation of the substation is trial and error There is a problem that a large amount of time is consumed.
SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems of the related art, and it is an object of the present invention to provide a substation automation equipment conforming to a substation automation equipment standard which minimizes the conformity inspection time by performing setting inspection and communication inspection using an information standardization table and an SCL file, And an inspection apparatus and method.
In order to achieve the above object, an apparatus for checking conformity of a substation automation equipment standard according to an exemplary embodiment of the present invention includes an information standardization table inspecting unit for inspecting a preparation error of an information standardization table of a substation automation equipment, SCL checker for checking grammar errors, information standardization table checker and SCL checker Performs the setting check based on the information standardized table and the SCL file that have been checked by the checker and sends a correction request to the information standardization table or the SCL file when the setting check error occurs And a communication inspection unit for performing a communication inspection with the substation automation equipment based on the information standardization table in which the setting inspection is completed in the setting inspection unit and the setting inspection unit.
An information standardization table inspection unit and an SCL inspection unit, and a storage unit for storing the information standardization table and the SCL file.
The information standardization table inspection unit receives an information standardization table including IED information, data set information, RCB information, RCB configuration information, GoCB information, data list information, data for each data set, and input data information, The number of data sets used, the number of RCBs used, the number of GoCBs used, and the data set information includes the name of the data set, the number of the data set, The RCB configuration information includes Optional Fields, Trigger Options, Integrity Period [ms], and Buffer Time [ms] information, The GoCB information includes a GoCB name, a location, a connected data set name, an AppID, a MAC address, a GOOSE ID, and a Config Revision information. The data list information includes data information of the IED and transmission information of data The data by data set includes data set information associated with data set information, RCB information, and GoCB information, and input data information includes control signal information and GOOSE transmission / reception connection information.
The configuration and inspection unit checks whether the engineering information included in the information standardization table and the SCL file match when the configuration check is performed, and transmits a modification request to the information standardization table or the SCL file when an error occurs in the configuration check.
Based on the information standardization table, the communication inspection department checks whether normal communication with the substation automation equipment is performed via IED by MMS.
Based on the communication information of the information standardization table, the communication inspection section checks whether normal communication with the substation automation equipment is established based on whether the MMS connection, the RCB connection, and the data received from the substation automation equipment match the information standardization table.
If the communication test section fails to connect to the MMS or RCB, or if the data received from the substation automation facility and the information standardization table do not match, it is determined as a communication error.
The communication inspection unit generates a GOOSE mapping table based on the GoCB information and the data structure detected through the SCL file. If the data corresponding to the GOOSE packet received from the substation automation equipment exists in the GOOSE mapping table, And the reception time.
If the data matching the GOOSE packet received from the substation automation equipment does not exist in the GOOSE mapping table, the communication inspection unit adds the data item with the new key and displays the GOOSE packet.
The information standardization table inspection unit receives and re-examines the information standardization table that was corrected when an information standardization table error occurred or a setting check error occurred, and the SCL checking unit receives a corrected SCL file when a grammar error or a setting check error occurs in the SCL file, do.
According to an aspect of the present invention, there is provided a method for checking conformity of substation automation equipment conforming to a standard of a substation automation equipment conformity inspection system, A step of checking the syntax error in the SCL file of the substation automation facility, a step of checking the writing error, and a step of checking grammatical errors based on the information standardized table and the SCL file And performing a communication test with the substation automation equipment based on the information standardization table in which the setting inspection is completed.
The step of checking the creation error of the information standardization table includes the steps of receiving the information standardization table, checking the creation error of the information standardization table, and transmitting the request to correct the information standardization table when an error is detected in the step of checking the creation error. Receiving the modified information standardization table and re-inspecting the creation error, and storing the information standardization table in which the creation error check or the creation error resentment is completed.
The step of receiving the information standardization table includes receiving the IED information including the IP setting of the IED, the number of data sets, the number of RCBs, the number of GoCBs, the name of the data set, the number and status of data, Inputting RCB information including an RCB name, a location, a linked data set name, a Report ID, a buffer classification, an InstNo, and application classification information, an Optional Fields, a Trigger Including the name, location, connected data set name, AppID, MAC address, GOOSE ID, and Config Revision information of the GoCB, inputting RCB configuration information including information of Options, Integrity Period [ms] and Buffer Time [ms] Receiving GoCB information, receiving data list information including IED data information and data transmission information, data set information, RCB information, and data set associated with GoCB information And a step for receiving the emitter signals and control information with GOOSE step of receiving an input data information including a transmitting and receiving connection information.
The step of checking a syntax error in the SCL file includes receiving an SCL file, performing a grammar check on the SCL file, transmitting a SCL file modification request when a grammar error is detected in performing grammar checking, Receiving the modified SCL file and re-examining the grammar error, and storing the SCL file in which the grammar error check or grammar error recheck is completed.
In the step of executing the grammar check and re-executing the grammar check, the grammar of the SCL file is performed based on the grammar of the SCL grammar and the definition SCL grammar in IEC 61850.
The step of performing the configuration inspection includes the steps of: detecting engineering information from the information standardization table; detecting engineering information from the SCL file; checking whether the detected engineering information is matched; And transmitting the modification request to the information standardization table or the SCL file.
The step of performing the communication inspection includes a step of connecting to the MMS using the previously stored information standardization table, a step of inquiring the RCB of the substation automation equipment if the connection is successful in the step of connecting to the MMS, If the connection is successful at the step of connecting with the RCB, the step of receiving data from the substation automation equipment through the IED and the normal communication with the substation automation equipment based on the received data and the information standardization table . ≪ / RTI >
The step of performing the communication inspection includes the steps of: detecting GoCB information and data structure from the SCL file; generating a GOOSE mapping table based on the detected GoCB information and data structure; when the generation of the GOOSE mapping table is completed, Decoding the communication packet received in the step of receiving the communication packet, inquiring the communication packet decoded in the GOOSE mapping table, and inquiring the decoded communication packet in the inquiring step And displaying GOOSE received data including a communication packet and a reception time.
The step of performing the communication inspection further includes a step of adding a data item and displaying a communication packet if the decoding of the decoded data fails in the inquiring step.
According to the present invention, the apparatus and method for conformity checking of a substation automation equipment specification can perform the setting inspection and the communication inspection using the information standardization table and the SCL file passed through the error check, There is an effect.
In addition, the apparatus and method for conformity check of substation automation equipment conforms to the information standardization table to check whether there is an error in the standardized information standardization table for conformity checking based on the information standardization table, , It is possible to identify and correct the problem before starting the operation of the substation by detecting the error of the information standardization table or the engineering error of the SCL file and reduce the unnecessary trial and error and perform the preliminary test The time required can be minimized.
In addition, the apparatus and method for checking conformity of substation automation equipment conforms to the substation automation equipment and information standardization table by directly connecting to substation automation equipment through MMS communication, and confirms whether the substation automation equipment operates normally by becoming a virtual HMI There is an effect that can be.
In addition, the equipment and method of compliance check of substation automation equipment specification verifies the system including communication part before substation operation by verifying whether input / output of IEC 61850 communication (MMS, Goose, Sampled Value) Thereby maximizing the accuracy of the system.
In addition, the equipment and method for conformity inspection of substation automation equipment standards are carried out to verify substation automation equipment supplied to substation / installation substation automation equipment. By doing verification work that does not depend on manufacturer, trial and error of substation inspection is minimized, Can be shortened.
In addition, the apparatus and method of conformity inspection of substation automation equipment specification can be easily checked by non-experts, thereby shortening the time and manpower required for conformity inspection and minimizing the socioeconomic costs required for analyzing the cause of abnormality of substation automation substation It is effective.
In addition, the apparatus and method for checking conformity of substation automation equipment standards can prevent errors that may occur during operation of the system by checking compliance with international standards and information standardization when registering substation automation facilities.
In addition, the apparatus and method for checking conformity of substation automation equipment standards can be used to analyze the causes of faults in substation automation facilities, thereby enabling efficient operation of power facilities.
1 to 4 are views for explaining an apparatus for checking conformity of substation automation equipment standards according to an embodiment of the present invention.
4 is a flow chart for explaining a method of checking conformity of a substation automation equipment standard according to an embodiment of the present invention.
FIGS. 5 and 6 are flowcharts for explaining the information standardization table inspection step of FIG. 4;
FIG. 7 is a flowchart for explaining the SCL file inspection step of FIG. 4;
FIG. 8 is a flowchart for explaining the setting inspection step of FIG. 4; FIG.
Figs. 9 and 10 are flowcharts for explaining the communication inspection trick of Fig. 4; Fig.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings in order to facilitate a person skilled in the art to easily carry out the technical idea of the present invention. . In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a substation automation equipment conformance testing apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. 1 to 3 are views for explaining a conformity testing apparatus for a substation automation equipment standard according to an embodiment of the present invention.
1, a substation automation equipment conformance testing apparatus 100 (hereinafter referred to as a conformance testing apparatus 100) performs an inspection of an information standardization table and an SCL file input from a
The
The basic information includes basic information of a substation automation facility 300 (hereinafter, referred to as an SA facility 300) such as an IED name, manufacturer, and model name, and the communication information includes a communication connection with the SA
The data set includes a data list of data to be served by the SA
The
If the information standardization table and the SCL file are normal, the
The
When the error checking, grammar checking and setting confirmation checking are completed, the
The
3, the
The information standardization
The information standardization
The information standardization
The information standardization
The information standardization
The
If there is a syntax error in the input SCL file, the
The
The
When the syntax checking is completed in the
The setting
The
The
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a method for checking conformity of substation automation equipment standards according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. FIG. 4 is a flowchart illustrating a method of checking compliance of a substation automation equipment standard according to an embodiment of the present invention. 5 and 6 are flowcharts for explaining the information standardization table inspection step of FIG. 4, FIG. 7 is a flowchart for explaining the SCL file inspection step of FIG. 4, FIG. 8 is a flowchart for explaining the setting inspection step of FIG. And Figs. 9 and 10 are flowcharts for explaining the communication check trick in Fig.
The substation automation equipment conformance testing apparatus 100 (hereinafter, the conformity testing apparatus 100) checks the information standardization table input from the manufacturer terminal 200 (S100). This will be described with reference to FIG. 5 attached hereto.
The
The
The
The
The
The
The
The
The
The
On the other hand, the
The
The
The
If a syntax error is detected (S230; Yes), the
The
The
The
The
If the detected error is an error in the information standardization table (S340; YES), the
If the
When the configuration check is completed, the
First, referring to FIG. 9, a step of checking whether normal communication with the
The
If the MMS connection is successful (S412: YES), the
If the RCB of the inquired actual IED 400 (or the SA facility 300) matches the RCB of the information standardization table (S414; Yes), the
If the connection to the RCB of the actual IED 400 (or the SA facility 300) is succeeded (S416; YES), the
If the MMS connection fails in step S412 or the RCB of the information standardization table and the actual IED 400 (or SA facility 300) do not match in step S414, or if the connection with the RCB If it fails, an error is displayed and the process is terminated (S418).
Next, with reference to FIG. 10, a step of performing a communication check for GOOSE, which is a network protocol between
The
The
When the generation of the GOOSE mapping table is completed, the
When the communication packet is received (S424; Yes), the
The
If the data conforming to the decoded data in the GOOSE mapping table is successfully retrieved (S427; YES), the
On the other hand, if the inquiry fails in step S427, the
The
As described above, the apparatus and method of conformity check of substation automation equipment specification can minimize the time for conformity inspection of substation automation equipment by performing setting inspection and communication inspection using information standardization table and SCL file that have passed error check There is an effect.
In addition, the apparatus and method for conformity check of substation automation equipment conforms to the information standardization table to check whether there is an error in the standardized information standardization table for conformity checking based on the information standardization table, , It is possible to identify and correct the problem before starting the operation of the substation by detecting the error of the information standardization table or the engineering error of the SCL file and reduce the unnecessary trial and error and perform the preliminary test The time required can be minimized.
In addition, the apparatus and method for checking conformity of substation automation equipment conforms to the substation automation equipment and information standardization table by directly connecting to substation automation equipment through MMS communication, and confirms whether the substation automation equipment operates normally by becoming a virtual HMI There is an effect that can be.
In addition, the equipment and method of conformity inspection of substation automation equipment conforms to IEC61850 communication (MMS, Goose, Sampled Value) verification of input and output according to the mutual standard of substation automation equipment within the system. The accuracy can be maximized.
In addition, the equipment and method for conformity inspection of substation automation equipment standards are carried out to verify substation automation equipment supplied to substation / installation substation automation equipment. By doing verification work that does not depend on manufacturer, trial and error of substation inspection is minimized, Can be shortened.
In addition, the apparatus and method of conformity inspection of substation automation equipment specification can be easily checked by non-experts, thereby shortening the time and manpower required for conformity inspection and minimizing the socioeconomic costs required for analyzing the cause of abnormality of substation automation substation It is effective.
In addition, the apparatus and method for checking conformity of substation automation equipment standards can prevent errors that may occur during operation of the system by checking compliance with international standards and information standardization when registering substation automation facilities.
In addition, the apparatus and method for checking conformity of substation automation equipment standards can be used to analyze the causes of faults in substation automation facilities, thereby enabling efficient operation of power facilities.
While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but many variations and modifications may be made without departing from the scope of the present invention. It will be understood that the invention may be practiced.
100; Substation Automation Facility Compliance Checking Device
110: Information standardization table inspection unit
130: SCL checking unit 150:
170: setting inspection unit 190: communication inspection unit
200: manufacturer terminal 300: substation automation equipment
400: IED
Claims (19)
An SCL checking unit for checking a syntax error of the SCL file of the substation automation equipment;
A setting inspection unit configured to perform setting inspection based on the information standardization table inspection unit and the SCL inspection unit on the basis of the information standardization table and the SCL file that have been inspected and transmit a correction request for the information standardization table or the SCL file upon occurrence of a setting inspection error; And
And a communication inspection unit for performing communication inspection with the substation automation equipment based on the information standardization table in which the setting inspection is completed in the setting inspection unit,
Wherein the information standardization table includes IED information, data set information, RCB information, RCB configuration information, GoCB information, data list information, data for each data set, and input data information.
Further comprising a storage unit for storing an information standardization table and an SCL file, which have been checked by the information standardization table checking unit and the SCL checking unit.
The information standardization table checking unit,
An information standardization table including IED information, data set information, RCB information, RCB environment setting information, GoCB information, data list information, data for each data set, and input data information,
The IED information includes the IP setting of the IED, the number of data sets used, the number of RCBs used, and the number of GoCBs used, and the data set information includes the name of the data set, the number of the data set, Trigger Options, Integrity Period [ms], and the like are included in the RCB information, and the RCB information includes a name, a location, a connected data set name, a Report ID, The GOCB information includes a name of the GoCB, a location, a connected data set name, an AppID, a MAC address, a GOOSE ID, and Config Revision information. The data list information includes data information of the IED and data And the data for each data set includes data set data associated with data set information, RCB information, and GoCB information, and the input data information includes control signal information and GOOSE transmission data Substation automation equipment conformance testing device comprises a connection information.
The setting checking unit
Wherein the information standardization table and the SCL file are matched when the setting inspection is performed, and when an error occurs in the setting inspection, a modification request for the information standardization table or the SCL file is transmitted. Equipment conformity check system.
The communication checking unit,
And checking whether the normal communication with the substation automation equipment is made via the IED with the MMS based on the information standardization table.
The communication checking unit,
It is checked whether or not normal communication with the substation automation equipment is made based on whether the MMS connection, the RCB connection, the data received from the substation automation equipment, and the information standardization table match based on the communication information of the information standardization table. Substation automation equipment conformance inspection device.
The communication checking unit,
And if it fails to connect to the MMS or the RCB, or if the data received from the substation automation equipment and the information standardization table do not match, it is determined as a communication error.
The communication checking unit,
A GOOSE mapping table is generated based on the GoCB information and the data structure detected through the SCL file. If data matching the GOOSE packet received from the substation automation equipment exists in the GOOSE mapping table, it is determined that the inquiry is successful, Time of the substation automation equipment.
The communication checking unit,
And if the data corresponding to the GOOSE packet received from the substation automation equipment does not exist in the GOOSE mapping table, the data item is added with the new key and the GOOSE packet is displayed.
The information standardization table inspection unit receives and re-examines the information standardization table that was modified when an error occurred in the creation of the information standardization table or a setting inspection error occurred,
Wherein the SCL checking unit receives and re-examines the corrected SCL file when a syntax error occurs in the SCL file or a setting check error occurs.
Checking the creation error of the information standardization table of the substation automation equipment;
Checking grammatical errors in the SCL file of the substation automation facility;
Performing the setting inspection on the basis of the information standardization table and the SCL file whose inspection is completed in the step of checking the creation error and the step of checking the grammar error; And
And performing a communication test with the substation automation equipment based on the information standardization table in which the setting inspection is completed,
Wherein the step of checking the creation error of the information standardization table comprises:
And inputting an information standardization table including IED information, data set information, RCB information, RCB configuration setting information, GoCB information, data list information, data for each data set, and input data information. Conformance testing method.
Wherein the step of checking the creation error of the information standardization table comprises:
Checking a creation error of the information standardization table;
Transmitting an information standardization table modification request when an error is detected in the checking step;
Receiving the modified information standardization table and re-examining the creation error; And
And storing the information standardization table in which the creation error check or the creation error re-inspection is completed.
Receiving the information standardization table,
Receiving IED information including an IP setting of the IED, a data set use count, an RCB use count, and a GoCB usage count;
Receiving data set information including a name of a data set, a position, a number and status of data, measurement, and classification information of GOOSE;
Receiving RCB information including an RCB name, a location, a connected data set name, a Report ID, a buffer classification, an InstNo, and application classification information;
Receiving RCB configuration information including Optional Fields, Trigger Options, Integrity Period [ms], and Buffer Time [ms] information;
Receiving GoCB information including a name, a location, a connected data set name, an AppID, a MAC address, GOOSE ID, and Config Revision information;
Receiving data list information including IED data information and data transmission information;
Receiving data for each data set associated with the data set information, the RCB information, and the GoCB information; And
And receiving input data information including control signal information and GOOSE transmission / reception connection information.
The step of checking grammar errors for the SCL file comprises:
Receiving an SCL file;
Performing a grammar check on the SCL file;
Transmitting a SCL file modification request when a grammar error is detected in the step of performing the grammar check;
Receiving the modified SCL file and re-examining the grammar error; And
And storing the SCL file in which a grammar error check or a grammar error recheck is completed.
The step of performing the grammar check and the step of re-executing the grammar check
The syntax checking of the SCL file is performed based on the grammar of the SCL file and the SCL grammar system defined in IEC61850.
The step of performing the setting inspection includes:
Detecting engineering information from the information standardization table;
Detecting engineering information from the SCL file;
Checking whether the detected engineering information is matched; And
And transmitting the modification request to the information standardization table or the SCL file if an error occurs in the checking step.
The step of performing the communication inspection includes:
Connecting to the MMS using a pre-stored information standardization table;
If the connection is successful in the step of connecting to the MMS, inquiring the RCB of the substation automation equipment;
Associating the retrieved RCB with an RCB if the retrieved RCB matches the RCB of the information standardization table;
Receiving data from the substation automation equipment through the IED if the connection is successful at the step of connecting with the RCB; And
And checking whether or not normal communication with the substation automation equipment is performed based on the received data and the information standardization table.
The step of performing the communication inspection includes:
Detecting GoCB information and a data structure from the SCL file;
Generating a GOOSE mapping table based on the detected GoCB information and data structure;
When the generation of the GOOSE mapping table is completed, starting packet capture and receiving a communication packet;
Decoding the communication packet received in the step of receiving the communication packet;
Retrieving the decoded communication packet from the GOOSE mapping table; And
And displaying the GOOSE reception data including the communication packet and the reception time if the decoding of the communication packet is successful in the inquiring step.
The step of performing the communication inspection includes:
And adding the data item and displaying the communication packet if the decoded data fails to be retrieved in the inquiring step.
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Cited By (5)
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CN109030969A (en) * | 2017-06-09 | 2018-12-18 | 许继集团有限公司 | A kind of test method and system of measure and control device |
KR20200039289A (en) * | 2018-10-05 | 2020-04-16 | 한국전력공사 | Method and apparatus for analyzing interoperability |
CN111323672A (en) * | 2020-04-14 | 2020-06-23 | 广州思泰信息技术有限公司 | Remote availability detection device for substation automation equipment |
CN112366818A (en) * | 2020-09-29 | 2021-02-12 | 内蒙古电力(集团)有限责任公司电力调度控制分公司 | Automatic checking and accepting method and system for monitoring information of intelligent substation |
KR102332584B1 (en) * | 2021-01-29 | 2021-12-01 | 유호전기공업주식회사 | User-friendly packet analysis method and apparatus |
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Cited By (6)
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CN109030969A (en) * | 2017-06-09 | 2018-12-18 | 许继集团有限公司 | A kind of test method and system of measure and control device |
KR20200039289A (en) * | 2018-10-05 | 2020-04-16 | 한국전력공사 | Method and apparatus for analyzing interoperability |
KR102405879B1 (en) * | 2018-10-05 | 2022-06-08 | 한국전력공사 | Method and apparatus for analyzing interoperability |
CN111323672A (en) * | 2020-04-14 | 2020-06-23 | 广州思泰信息技术有限公司 | Remote availability detection device for substation automation equipment |
CN112366818A (en) * | 2020-09-29 | 2021-02-12 | 内蒙古电力(集团)有限责任公司电力调度控制分公司 | Automatic checking and accepting method and system for monitoring information of intelligent substation |
KR102332584B1 (en) * | 2021-01-29 | 2021-12-01 | 유호전기공업주식회사 | User-friendly packet analysis method and apparatus |
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