CN104155970B - A kind of intelligent substation monitoring host computer closed loop test system and method for testing thereof - Google Patents
A kind of intelligent substation monitoring host computer closed loop test system and method for testing thereof Download PDFInfo
- Publication number
- CN104155970B CN104155970B CN201410379246.4A CN201410379246A CN104155970B CN 104155970 B CN104155970 B CN 104155970B CN 201410379246 A CN201410379246 A CN 201410379246A CN 104155970 B CN104155970 B CN 104155970B
- Authority
- CN
- China
- Prior art keywords
- iec61850
- host computer
- monitoring host
- testing
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 130
- 238000012544 monitoring process Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004458 analytical method Methods 0.000 claims abstract description 23
- 230000003993 interaction Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 abstract description 7
- 238000012113 quantitative test Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of intelligent substation monitoring host computer closed loop test system, comprise IEC61850 and protect observing and controlling simulator, monitoring host computer, station level switch, IEC61850 network message recorder analyser and testing workstation, described IEC61850 protects observing and controlling simulator, monitoring host computer and IEC61850 network message recorder analyser to be all connected with station level switch, and described testing workstation and IEC61850 protect observing and controlling simulator to be connected; Also disclose the method for testing of this system.Test Strategy, analysis bulletin and export are compared by testing workstation by the present invention, automatically test report is generated according to comparison result, accurately, the test to monitoring host computer is achieved reliably, fast, solve and the test macro of perfect in shape and function and good method of testing are lacked to realize the problem of comprehensive quantitative test for monitoring host computer, meet the demand of intelligent substation test.
Description
Technical field
The present invention relates to a kind of intelligent substation monitoring host computer closed loop test system and method for testing thereof, belong to power system automation technology field.
Background technology
Intelligent substation is intelligent grid important component part, along with the development that intelligent grid is built, newly-built intelligent substation gets more and more, monitoring host computer realizes whole transformer station one secondary device supervisory and control function, whether its function and dependable performance directly concern substation safety production run, carry out intelligent substation monitoring host computer Testing Technology Study and have very important practical value.At present monitoring host computer test is still undertaken by the debugging acid of some function singlenesses, the test macro and the good method of testing that lack perfect in shape and function realize comprehensive quantitative test, to monitoring host computer function and performance test without intact solution, the demand of intelligent substation test can not be met completely.
Summary of the invention
The invention provides a kind of intelligent substation monitoring host computer closed loop test system and method for testing thereof, solve and the test macro of perfect in shape and function and good method of testing are lacked to realize the problem of comprehensive quantitative test for monitoring host computer.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of intelligent substation monitoring host computer closed loop test system, comprise IEC61850 and protect observing and controlling simulator, monitoring host computer, station level switch, IEC61850 network message recorder analyser and testing workstation, described IEC61850 protects observing and controlling simulator, monitoring host computer and IEC61850 network message recorder analyser to be all connected with station level switch, and described testing workstation and IEC61850 protect observing and controlling simulator to be connected; Described monitoring host computer is measurand, can derive in test process the file recording station level interaction data, and export is sent to testing workstation; Described IEC61850 protects observing and controlling simulator can emulate multiple stage protection supervisory equipment according to SCD file, and information interaction is simulated information input and output based on IEC61850 protection and measurement and control equipment completely; Receive the configuration file of testing workstation, make station level communication message customizable, interbehavior is controlled; The Test Strategy that record testing workstation configures also forms original test data file; The start and stop instruction of described IEC61850 network message recorder analyser acceptance test workstation; By the network message of network monitoring mode recording station control layer switch, the network message of analysis station control layer switch also generates analyzes bulletin; Bulletin and network message data feedback will be analyzed to testing workstation; Described testing workstation protects observing and controlling simulator to send configuration file to IEC61850; Start and stop instruction is sent to IEC61850 network message recorder analyser; Configuration testing strategy; Receive the analysis bulletin and network message data that send to IEC61850 network message recorder analyser, receive the export that monitoring host computer sends, and Test Strategy, analysis bulletin and export are compared, automatically generate test report according to comparison result.
IEC61850 is adopted to carry out communication interaction between described IEC61850 network message recorder analyser and testing workstation.
Described analysis bulletin is XML file.
Described analysis bulletin content comprises the communications status of IED, event report description, control procedure description, setting value process prescription, file service process tracking and statistical information.
Described testing workstation is computing machine.
A method of testing for intelligent substation monitoring host computer closed loop test system, comprises the following steps,
Step one, Test Strategy is also handed down to IEC61850 protection observing and controlling simulator by testing workstation configuration testing strategy, and IEC61850 protects observing and controlling simulator to carry out information interaction according to Test Strategy and monitoring host computer;
Step 2, testing workstation sends enabled instruction, and IEC61850 network message recorder analyser is by the network message of network monitoring mode recording station control layer switch, and the network message of analysis station control layer switch also generates analyzes bulletin;
Step 3, testing workstation sends halt instruction, and IEC61850 network message recorder analyser will analyze bulletin and network message data feedback to testing workstation;
Step 4, monitoring host computer derives the file recording station level interaction data in test process, and export is sent to testing workstation;
Step 5, Test Strategy, analysis bulletin and export are compared by testing workstation, automatically generate test report according to comparison result.
The beneficial effect that the present invention reaches: Test Strategy, analysis bulletin and export are compared by testing workstation by the present invention, automatically test report is generated according to comparison result, accurately, the test to monitoring host computer is achieved reliably, fast, solve and the test macro of perfect in shape and function and good method of testing are lacked to realize the problem of comprehensive quantitative test for monitoring host computer, meet the demand of intelligent substation test.
Accompanying drawing explanation
Fig. 1 is system connection layout of the present invention.
Fig. 2 is method flow diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1; a kind of intelligent substation monitoring host computer closed loop test system; comprise IEC61850 and protect observing and controlling simulator, monitoring host computer, station level switch, IEC61850 network message recorder analyser and testing workstation, testing workstation is generally common computing machine.
IEC61850 protects observing and controlling simulator, monitoring host computer and IEC61850 network message recorder analyser to be all connected with station level switch; testing workstation and IEC61850 protect observing and controlling simulator to be connected, and adopt IEC61850 to carry out communication interaction between IEC61850 network message recorder analyser and testing workstation.
The function of said apparatus is as follows:
Monitoring host computer: be measurand, the file recording station level interaction data can be derived in test process, and export is sent to testing workstation.
IEC61850 protects observing and controlling simulator: IEC61850 protects observing and controlling simulator can emulate multiple stage protection supervisory equipment according to SCD file, information interaction is simulated information input and output based on IEC 61850 protection and measurement and control equipment completely, can flexible configuration be carried out to outgoing message, be convenient to that backstage is monitored to intelligent substation, protection information substation is carried out comprehensively, quantitative test; Receive the configuration file of testing workstation, make station level communication message customizable, interbehavior is controlled; The Test Strategy that record testing workstation configures also forms original test data file, and this raw data is as a data source of subsequent contrast.
IEC61850 network message recorder analyser: the start and stop instruction of acceptance test workstation; By the network message of network monitoring mode recording station control layer switch, the network message of analysis station control layer switch also generates analyzes bulletin; Bulletin and network message data feedback will be analyzed to testing workstation.
Testing workstation: protect observing and controlling simulator to send configuration file to IEC61850; Start and stop instruction is sent to IEC61850 network message recorder analyser; Configuration testing strategy; Receive the analysis bulletin and network message data that send to IEC61850 network message recorder analyser, receive the export that monitoring host computer sends, and Test Strategy, analysis bulletin and export are compared, automatically generate test report according to comparison result.
Above-mentioned analysis bulletin is XML file, and its content comprises the communications status of IED, event report description, control procedure description, setting value process prescription, file service process tracking and statistical information; Particular content is as follows:
(1) communications status of IED
A. communication interruption time, the communication recovery time;
B. communication disruption reason: client disconnects or service end disconnects, long-time countless certificate (comprising tcp keep-alive);
(2) event report describes
A. according to report blocks sorted generalization: can comprise multiple state-event in report time, each report, state-event comprises event description, event quality, is worth, quotes, event time;
(3) control procedure describes
A. control operation result: control object, controlling value, result, failure cause (comprising AddCause reason), time;
(4) setting value process prescription
A. revise definite value, switch definite value result;
(5) file service process tracking
A. file name, download time, transmission duration (unit second), transmission file size (unit byte);
(6) statistical information
A. associated TCP linking number;
B. service end TCP disconnecting number of times;
C. client TCP disconnecting number of times;
D. report-control block initialization times (comprise successfully, failure);
E. straighforward operation number of success, the frequency of failure.
The method of testing of above-mentioned intelligent substation monitoring host computer closed loop test system, concrete steps are as follows:
Step one, Test Strategy is also handed down to IEC61850 protection observing and controlling simulator by testing workstation configuration testing strategy, and IEC61850 protects observing and controlling simulator to carry out information interaction according to Test Strategy and monitoring host computer;
Step 2, testing workstation sends enabled instruction, and IEC61850 network message recorder analyser is by the network message of network monitoring mode recording station control layer switch, and the network message of analysis station control layer switch also generates analyzes bulletin;
Step 3, testing workstation sends halt instruction, and IEC61850 network message recorder analyser will analyze bulletin and network message data feedback to testing workstation;
Step 4, monitoring host computer derives the file recording station level interaction data in test process, and export is sent to testing workstation;
Step 5, Test Strategy, analysis bulletin and export are compared by testing workstation, automatically generate test report according to comparison result.
In sum, Test Strategy, analysis bulletin and export are compared by testing workstation by the present invention, automatically test report is generated according to comparison result, accurately, the test to monitoring host computer is achieved reliably, fast, solve and the test macro of perfect in shape and function and good method of testing are lacked to realize the problem of comprehensive quantitative test for monitoring host computer, meet the demand of intelligent substation test.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (6)
1. an intelligent substation monitoring host computer closed loop test system, it is characterized in that: comprise IEC61850 and protect observing and controlling simulator, monitoring host computer, station level switch, IEC61850 network message recorder analyser and testing workstation, described IEC61850 protects observing and controlling simulator, monitoring host computer and IEC61850 network message recorder analyser to be all connected with station level switch, and described testing workstation and IEC61850 protect observing and controlling simulator to be connected;
Described monitoring host computer is measurand, can derive in test process the file recording station level interaction data, and export is sent to testing workstation;
Described IEC61850 protects observing and controlling simulator can emulate multiple stage protection supervisory equipment according to SCD file, and information interaction is simulated information input and output based on IEC61850 protection and measurement and control equipment completely; Receive the configuration file of testing workstation, make station level communication message customizable, interbehavior is controlled; The Test Strategy that record testing workstation configures also forms original test data file;
The start and stop instruction of described IEC61850 network message recorder analyser acceptance test workstation; By the network message of network monitoring mode recording station control layer switch, the network message of analysis station control layer switch also generates analyzes bulletin; Bulletin and network message data feedback will be analyzed to testing workstation;
Described testing workstation protects observing and controlling simulator to send configuration file to IEC61850; Start and stop instruction is sent to IEC61850 network message recorder analyser; Configuration testing strategy; Receive the analysis bulletin and network message data that send to IEC61850 network message recorder analyser, receive the export that monitoring host computer sends, and Test Strategy, analysis bulletin and export are compared, automatically generate test report according to comparison result.
2. a kind of intelligent substation monitoring host computer closed loop test system according to claim 1, is characterized in that: adopt IEC61850 to carry out communication interaction between described IEC61850 network message recorder analyser and testing workstation.
3. a kind of intelligent substation monitoring host computer closed loop test system according to claim 1, is characterized in that: described analysis bulletin is XML file.
4. a kind of intelligent substation monitoring host computer closed loop test system according to claim 1, is characterized in that: described analysis bulletin content comprises the communications status of IED, event report description, control procedure description, setting value process prescription, file service process tracking and statistical information.
5. a kind of intelligent substation monitoring host computer closed loop test system according to claim 1, is characterized in that: described testing workstation is computing machine.
6., based on the method for testing of a kind of intelligent substation monitoring host computer closed loop test system according to claim 1, comprise the following steps,
Step one, Test Strategy is also handed down to IEC61850 protection observing and controlling simulator by testing workstation configuration testing strategy, and IEC61850 protects observing and controlling simulator to carry out information interaction according to Test Strategy and monitoring host computer;
Step 2, testing workstation sends enabled instruction, and IEC61850 network message recorder analyser is by the network message of network monitoring mode recording station control layer switch, and the network message of analysis station control layer switch also generates analyzes bulletin;
Step 3, testing workstation sends halt instruction, and IEC61850 network message recorder analyser will analyze bulletin and network message data feedback to testing workstation;
Step 4, monitoring host computer derives the file recording station level interaction data in test process, and export is sent to testing workstation;
Step 5, Test Strategy, analysis bulletin and export are compared by testing workstation, automatically generate test report according to comparison result.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410379246.4A CN104155970B (en) | 2014-08-04 | 2014-08-04 | A kind of intelligent substation monitoring host computer closed loop test system and method for testing thereof |
| PCT/CN2014/092742 WO2016019662A1 (en) | 2014-08-04 | 2014-12-02 | Closed loop test system for monitoring host of intelligent substation and test method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410379246.4A CN104155970B (en) | 2014-08-04 | 2014-08-04 | A kind of intelligent substation monitoring host computer closed loop test system and method for testing thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104155970A CN104155970A (en) | 2014-11-19 |
| CN104155970B true CN104155970B (en) | 2015-09-30 |
Family
ID=51881494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410379246.4A Active CN104155970B (en) | 2014-08-04 | 2014-08-04 | A kind of intelligent substation monitoring host computer closed loop test system and method for testing thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104155970B (en) |
| WO (1) | WO2016019662A1 (en) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155970B (en) * | 2014-08-04 | 2015-09-30 | 国家电网公司 | A kind of intelligent substation monitoring host computer closed loop test system and method for testing thereof |
| CN106771775A (en) * | 2017-01-17 | 2017-05-31 | 贵州大学 | A kind of object test device of same intelligent substation protection device half |
| CN106921522B (en) * | 2017-03-15 | 2023-06-30 | 国网安徽省电力公司电力科学研究院 | Networking information model detection device of intelligent substation network message recording and analyzing device |
| CN107918294A (en) * | 2017-12-19 | 2018-04-17 | 贵州大学 | A kind of intelligent grid Protection simulation platform and its emulation mode based on RTDS |
| CN110266553A (en) * | 2018-03-12 | 2019-09-20 | 南京南瑞继保电气有限公司 | A kind of device operation/maintenance data automatic obtaining method |
| CN108873735B (en) * | 2018-06-29 | 2021-11-19 | 许继集团有限公司 | Power distribution main station system component simulation test device and method |
| CN110021995A (en) * | 2019-01-30 | 2019-07-16 | 国网浙江宁波市鄞州区供电有限公司 | A kind of distribution network automated information joint debugging emulation test system |
| CN110493079B (en) * | 2019-08-14 | 2022-06-28 | 长园深瑞继保自动化有限公司 | Production automation test method of industrial Ethernet switch |
| CN110691008B (en) * | 2019-09-30 | 2022-07-19 | 北京博电新力电气股份有限公司 | Intelligent management unit test system and test method |
| CN111600756A (en) * | 2020-05-14 | 2020-08-28 | 南瑞集团有限公司 | Communication interface device, system and method for control system in-loop real-time simulation experiment |
| CN111708700B (en) * | 2020-06-17 | 2023-10-20 | 南京太司德智能电气有限公司 | Intelligent remote machine closed loop comprehensive test method |
| CN111987794A (en) * | 2020-07-09 | 2020-11-24 | 国网山东省电力公司青岛供电公司 | Intelligent substation on-line monitoring and fault analysis system |
| CN111950747B (en) * | 2020-08-28 | 2022-03-18 | 深圳市鸿泰盛合科技有限公司 | Intelligent router automatic test system and method |
| CN112230079A (en) * | 2020-09-07 | 2021-01-15 | 许昌开普检测研究院股份有限公司 | Automatic testing system for information of relay protection device |
| CN112637001B (en) * | 2020-12-03 | 2022-04-19 | 国网浙江省电力有限公司衢州供电公司 | Function pre-test method and system for data communication network shutdown |
| CN112737115A (en) * | 2020-12-25 | 2021-04-30 | 国网辽宁省电力有限公司辽阳供电公司 | Remote signaling joint debugging decoupling method for main station and plant station of transformer substation |
| CN113079051A (en) * | 2021-04-09 | 2021-07-06 | 国网浙江省电力有限公司电力科学研究院 | Parallel simulation method based on transformer substation localization communication protocol |
| CN113315222A (en) * | 2021-04-21 | 2021-08-27 | 北京四方继保工程技术有限公司 | Intelligent substation automation equipment operation and maintenance management and control system suitable for electric power system |
| CN113343446B (en) * | 2021-05-25 | 2022-07-01 | 国网湖北省电力有限公司荆门供电公司 | Data analysis and verification method and system for transformer substation monitoring system |
| CN113507436B (en) * | 2021-06-02 | 2022-08-23 | 中国人民解放军63880部队 | Power grid embedded terminal fuzzy test method aiming at GOOSE protocol |
| CN114123482A (en) * | 2021-09-18 | 2022-03-01 | 贵州电网有限责任公司 | Main plant station information joint debugging decoupling method |
| CN114710431A (en) * | 2021-12-24 | 2022-07-05 | 深圳供电局有限公司 | Automatic closed-loop test method for intelligent Internet of things terminal |
| CN114401212B (en) * | 2022-01-22 | 2023-08-04 | 海南电网有限责任公司电力科学研究院 | Method for testing double-master-station communication protocol |
| CN116346655A (en) * | 2022-12-20 | 2023-06-27 | 中国电力科学研究院有限公司 | Network abnormal movable mould test system and method for new generation transformer substation and centralized control station |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5740105B2 (en) * | 2010-06-29 | 2015-06-24 | 株式会社東芝 | Application monitoring method for communication system |
| CN102291277B (en) * | 2011-08-09 | 2013-06-19 | 上海思源弘瑞自动化有限公司 | Automatic test system and method for intelligent substation spacing apparatus |
| CN102624089A (en) * | 2012-03-18 | 2012-08-01 | 山西省电力公司电力科学研究院 | Total digitized transformer station closed loop dynamic real-time simulation testing system |
| JP2014054081A (en) * | 2012-09-07 | 2014-03-20 | Toshiba Corp | Transformer substation automation system |
| CN103200051B (en) * | 2013-04-27 | 2015-12-09 | 国家电网公司 | Intelligent substation message emulating is tested and is associated message analysis system and method |
| CN103312035B (en) * | 2013-05-21 | 2015-04-22 | 国家电网公司 | Integrated simulation adjusting-testing system and simulation adjusting-testing method for intelligent substation |
| CN103412208B (en) * | 2013-07-15 | 2016-04-20 | 国家电网公司 | The method of intelligent substation electric power telemechanical device closed loop test |
| CN103439612B (en) * | 2013-09-02 | 2015-11-11 | 上海毅昊自动化有限公司 | Based on the intelligent substation Auto-Test System of SCD |
| CN103746882B (en) * | 2014-01-14 | 2015-12-09 | 国家电网公司 | The method of intelligent substation station level test |
| CN103885438B (en) * | 2014-03-20 | 2016-08-31 | 国家电网公司 | The Auto-Test System of a kind of transformer station measuring and controlling equipment and method |
| CN104155970B (en) * | 2014-08-04 | 2015-09-30 | 国家电网公司 | A kind of intelligent substation monitoring host computer closed loop test system and method for testing thereof |
-
2014
- 2014-08-04 CN CN201410379246.4A patent/CN104155970B/en active Active
- 2014-12-02 WO PCT/CN2014/092742 patent/WO2016019662A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN104155970A (en) | 2014-11-19 |
| WO2016019662A1 (en) | 2016-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104155970B (en) | A kind of intelligent substation monitoring host computer closed loop test system and method for testing thereof | |
| CN111143308B (en) | High-low voltage motor data processing method, system and device based on federal learning | |
| CN112366818B (en) | Automatic checking and accepting method and system for monitoring information of intelligent substation | |
| EP2478380B1 (en) | A method and a system for simulation in a substation | |
| CN107180314B (en) | Operation and maintenance business model modeling method based on primary and secondary system incidence relation | |
| CN203070033U (en) | PLC remote monitoring system based on Web | |
| CN110568284B (en) | Intelligent substation one-key sequential control automatic test verification method, device and system | |
| CN110071577A (en) | Supervisory control of substation information acceptance method and system | |
| CN103926917A (en) | Intelligent transformer substation master control device testing system and method | |
| CN103051065A (en) | Distribution-automation distributed type FA (feeder automation) linkage test method and system | |
| CN104578408A (en) | State monitoring and tendency estimation device for secondary equipment of intelligent substation | |
| CN106953719A (en) | A kind of automation of transformation substations wide area O＆M interoperability test system and method for testing | |
| CN105093017B (en) | Intelligent substation GOOSE integrated testabilities device and its method of testing | |
| CN108923953A (en) | A kind of virtual main station system of power remote machine debugging | |
| CN104483842A (en) | Regulation and control integrated automatic master station comparison method | |
| CN109613906B (en) | Third-generation intelligent substation measurement and control submachine test system and application method thereof | |
| CN106647703A (en) | Power fault intelligent analysis and inversion system and method | |
| CN105630620A (en) | Machine fault automated processing method | |
| CN103425116A (en) | Method for removing power dispatching automation system fault | |
| CN105094120A (en) | Testing device capable of simulating action behaviors of primary equipment | |
| CN105759150A (en) | Test system and method for transformer substation secondary device prefabricated cabin | |
| CN100498618C (en) | Computer network monitoring system for flexible electric PC board stitching machine | |
| CN104638761A (en) | Packet sensing and packet simulation verification based GOOSE (generic object oriented substation event) virtual terminal connection method | |
| CN104579817A (en) | Communication loop test method based on GOOSE (generic object-oriented substation event) logics | |
| CN109193616A (en) | A kind of substation's telecontrol information distribution acceptance method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |