CN107703396A - A kind of hierarchical test system based on IEC61850 distribution automations - Google Patents
A kind of hierarchical test system based on IEC61850 distribution automations Download PDFInfo
- Publication number
- CN107703396A CN107703396A CN201711091682.1A CN201711091682A CN107703396A CN 107703396 A CN107703396 A CN 107703396A CN 201711091682 A CN201711091682 A CN 201711091682A CN 107703396 A CN107703396 A CN 107703396A
- Authority
- CN
- China
- Prior art keywords
- tester
- terminal
- main website
- unit
- distribution
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000004891 communication Methods 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 238000013517 stratification Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The embodiment of the present application discloses a kind of hierarchical test system based on IEC61850 distribution automations, and the system includes：Terminal tester, distribution automation terminal, master device and main website tester, wherein：Terminal tester includes voltage source, current source and switching value unit, and voltage source, current source and switching value unit electrically connect with distribution automation terminal respectively；Main website tester includes light input-output unit, the first time service unit and industrial computer, and light input-output unit, the first time service unit and industrial computer electrically connect with master device respectively；Distribution automation terminal communicates to connect with master device.The application is by the way that distribution automation terminal and master device are associated, detection to distribution automation terminal can not only be realized by terminal tester and main website tester, the detection to master device can also be realized, solves the problems, such as that traditional power distribution network test device test function is single.
Description
Technical field
The application is related to distribution automation testing field, more particularly to a kind of level based on IEC61850 distribution automations
Change test system.
Background technology
Constantly expand to adapt to the scale of China's power distribution network, topological structure becomes increasingly complex, the requirement to relay protection
Also more and more higher.In recent years, relay protection researchers wish to improve back-up protection performance by the introducing of Wide-area Measurement Information.Mesh
The wide area protection principle of preceding proposition mainly carries out multiple spot Integrated comparative by quickly collecting Wide-area Measurement Information, and using network service
Judge, by region is differential and direction comparison principle is generalized in back-up protection, realize quick, sensitive back-up protection function, gram
Take the deficiency of existing back-up protection.The information gathering region of wide area protection is further simplified, the concept of stratification protection is gradual
It is proposed.Stratification protection system is generally divided into from architectural framework with regard to stratum and wide area layer.It is towards being protected with regard to stratum protection
" the personal protection " of object distribution configuration is protected, it is emphasised that the protection algorism based on local information is with succinct reliable quickly special
Point.The protection of wide area layer is emphasized to be transmitted Wide-area Measurement Information based on communication network, and realizes that wide area is protected with wide area protection algorithm
Shield, performance has with regard to stratum protection relatively largely to be lifted.
Power distribution network stratification protection is the interval protection based on monospace data, when being caused due to the problems such as communication port and
When domain protection or the locality protection device communication disruption of standing, the protection independent of passage should be able to normal work；Domain protection of standing is unreal
Existing site defencive function, but realize in station and protected across interval, based on transform er differential protection and bus differential protecting；Region
Protection can also include standby throwing, Out-of-Step Splitting Systems between station, cut machine-cut and bear mainly based on line differential protection and load transfer control
The functions such as lotus.Because power distribution network stratification protection data source is disperseed, complicated, scene operation is without reliable method of testing；
In addition, domestic electrical power distribution automatization system, most non-complete systems of correlation test due to before putting into operation are carried out at present, cause each function
Devoting rate, the accuracy probabilistic index of module operation are not fine, are not fully achieved the design objective requirement of distribution automation, and state
Net, southern net are just being actively developed the dependence test of electrical power distribution automatization system, assessed in recent years, to lift the Automated water with network operation
It is flat.In order to solve these problems, also there is related distribution stratum reticulare to method of testing, equipment to distribution stratification protection measuring technology
The test device of secondaryization protection.
But power distribution network stratification can not integrally be checked currently for power distribution network stratification protection tester, intelligence
It is low degree to be changed.Particularly with conventional based on IEC (International Electrotechnical Commission, state
The border electrician committee) 61850 distribution network automated model file, it is existing to power distribution network stratification protection tester without
Method realization automatically configures during experiment, and for being based on EPON (Ethernet Passive Optical in power distribution network
Network, ethernet passive optical network) communication relay protection device, can not be detected.It is existing as can be seen from the above to match somebody with somebody
Power network stratification protection tester function is single, it is impossible to efficiently accomplishes every power distribution network hierarchical test.
The content of the invention
This application provides a kind of hierarchical test system based on IEC61850 distribution automations, to solve prior art
In power distribution network test device test function it is single the problem of.
In order to solve the above-mentioned technical problem, the embodiment of the present application discloses following technical scheme：
A kind of hierarchical test system based on IEC61850 distribution automations, the system include：Terminal tester, match somebody with somebody
Automation terminal, master device and main website tester, wherein：The terminal tester includes voltage source, current source and switch
Unit is measured, the voltage source, the current source and the switching value unit electrically connect with the distribution automation terminal respectively；Institute
Stating main website tester includes light input-output unit, the first time service unit and industrial computer, the smooth input-output unit, described
One time service unit and the industrial computer electrically connect with the master device respectively；The distribution automation terminal is set with the main website
Standby communication connection.
Alternatively, the voltage source and the current source pass through D/A conversion unit and the terminal tester central processing
Unit electrically connects.
Alternatively, the switching value unit electrically connects with the terminal tester CPU.
Alternatively, the terminal tester also includes the first GPS module, the second time service unit and the first communication unit, institute
The first GPS module is stated to electrically connect with the terminal tester CPU by second time service unit；Described first
Communication unit electrically connects with the terminal tester CPU.
Alternatively, the smooth input-output unit, first time service unit and the industrial computer respectively with the main website
Tester CPU electrically connects.
Alternatively, the main website tester also includes the second GPS module and the second communication unit, second GPS module
Electrically connected respectively with the main website tester CPU with second communication unit.
Alternatively, the industrial computer is connected to Ethernet interface and man-machine interface, the Ethernet interface and described man-machine
Interface is electrically connected by the industrial computer with the main website tester CPU.
Alternatively, the main website tester connects more station terminal testers.
As seen from the above technical solution, a kind of level based on IEC61850 distribution automations that the embodiment of the present application provides
Change test system, the system includes：Terminal tester, distribution automation terminal, master device and main website tester, wherein：
The terminal tester includes voltage source, current source and switching value unit, the voltage source, the current source and the switching value
Unit electrically connects with the distribution automation terminal respectively；The main website tester includes light input-output unit, the first time service
Unit and industrial computer, the smooth input-output unit, first time service unit and the industrial computer are set with the main website respectively
Standby electrical connection；The distribution automation terminal communicates to connect with the master device.The application is by by distribution automation terminal
It is associated with master device, the inspection to distribution automation terminal can be not only realized by terminal tester and main website tester
Survey, the detection to master device can also be realized, solve the problems, such as that traditional power distribution network test device test function is single.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the one embodiment for the hierarchical test system based on IEC61850 distribution automations that the application provides
Structural representation.
Embodiment
The application is described in detail below in conjunction with the accompanying drawings.
Referring to the implementation that Fig. 1 is the hierarchical test system based on IEC61850 distribution automations that the application provides
The structural representation of example, as shown in figure 1, the system includes：Terminal tester, distribution automation terminal, master device and master
Stand tester, wherein：The terminal tester includes voltage source, current source, switching value unit, D/A conversion unit, terminal and surveyed
Try instrument CPU, the first GPS module, the second time service unit and the first communication unit.The main website tester includes light
Input-output unit, the first time service unit, industrial computer, the second GPS module and the second communication unit.
The voltage source and the current source and the switching value unit electrically connect with the distribution automation terminal respectively,
The smooth input-output unit, first time service unit and the industrial computer electrically connect with the master device respectively；It is described
Distribution automation terminal communicates to connect with the master device, and the main website tester connects the more terminal testers.
The voltage source and the current source pass through D/A conversion unit and terminal tester CPU electricity
Connection.The switching value unit electrically connects with the terminal tester CPU, first communication unit with it is described
Terminal tester CPU electrically connects.First GPS module is surveyed by second time service unit and the terminal
Try the electrical connection of instrument CPU；
The smooth input-output unit, first time service unit and the industrial computer respectively with the main website tester
Central Processing Unit electrically connects.Second GPS module and second communication unit respectively with the main website tester centre
Manage unit electrical connection.The industrial computer is connected to Ethernet interface and man-machine interface, the Ethernet interface and the human-machine interface
Mouth is electrically connected by the industrial computer with the main website tester CPU.
Main website tester is communicated by Ethernet interface and distribution automation main website, automatically generates testing scheme, test process
Middle monitoring master device SOE events.Main website tester controls more station terminal testers defeated by the second communication unit using public network
Go out.Further, the IEC61850 messages of distribution automation main website are sent to by light input-output unit pseudo-terminal.Main website surveys
Try instrument and the time is obtained by the second GPS module, and by the first time service unit with IRIG-B time service master devices.
Terminal tester is communicated by the first communication unit and main website tester, receives main website tester instruction, and return
Information gives main website tester.Second time service unit and the first GPS module are used to ensureing synchronous with main website tester.Terminal is surveyed
Examination instrument, main website tester respectively one itself GPS module and main website tester issue the IRIG-B codes of master device, ensure three
It is synchronous.It is synchronous by clock, ensure that the analog current voltage of terminal tester output is synchronous with main website tester.
The connection of the main website tester and master device uses RJ45 interfaces.The main website tester is surveyed with more station terminals
Communication is connected by public network between trying instrument.Suo Su main websites tester is reported pseudo-terminal IEC61850 by light input-output unit
Text is sent to distribution automation terminal.The terminal tester is communicated by the first communication unit and main website tester, receives master
Tester of standing instructs, and back information gives main website tester, and communication modes are public network.The terminal tester passes through the second time service
Unit and the first GPS module obtain temporal information, and synchronous with main website tester to ensure, the second time service unit is XC3S100E.
The terminal tester, main website tester are synchronous with GPS, and main website tester issues master device IRIG-B codes, ensure that three is same
Step.
From above-described embodiment as can be seen that a kind of stratification based on IEC61850 distribution automations that the present embodiment provides
Test system, the system include：Terminal tester, distribution automation terminal, master device and main website tester, wherein：Institute
Stating terminal tester includes voltage source, current source and switching value unit, the voltage source, the current source and the switching value list
Member electrically connects with the distribution automation terminal respectively；The main website tester includes light input-output unit, the first time service list
Member and industrial computer, the smooth input-output unit, first time service unit and the industrial computer respectively with the master device
Electrical connection；The distribution automation terminal communicates to connect with the master device.The application by by distribution automation terminal with
Master device is associated, and the inspection to distribution automation terminal can be not only realized by terminal tester and main website tester
Survey, the detection to master device can also be realized, solve the problems, such as that traditional power distribution network test device test function is single.
One kind that the present embodiment provides in the specific implementation, the application also provides a kind of computer-readable storage medium, wherein, the meter
Calculation machine storage medium can have program stored therein, and the program may include when performing in each embodiment for the method for calling that the application provides
Part or all of step.Described storage medium can be magnetic disc, CD, read-only memory (English：read-only
Memory, referred to as：ROM) or random access memory is (English：Random access memory, referred to as：RAM) etc..
It is required that those skilled in the art can be understood that the technology in the embodiment of the present application can add by software
The mode of general hardware platform realize.Based on such understanding, the technical scheme in the embodiment of the present application substantially or
Say that the part to be contributed to prior art can be embodied in the form of software product, the computer software product can be deposited
Storage is in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are causing a computer equipment (can be with
Be personal computer, server, either network equipment etc.) perform some part institutes of each embodiment of the application or embodiment
The method stated.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
Individual entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operate it
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that process, method, article or equipment including a series of elements not only include those
Key element, but also the other element including being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present.
Above-described the application embodiment does not form the restriction to the application protection domain.
Claims (8)
1. a kind of hierarchical test system based on IEC61850 distribution automations, it is characterised in that the system includes：Terminal
Tester, distribution automation terminal, master device and main website tester, wherein：
The terminal tester includes voltage source, current source and switching value unit, the voltage source, the current source and described opens
Pass amount unit electrically connects with the distribution automation terminal respectively；
The main website tester includes light input-output unit, the first time service unit and industrial computer, the smooth input-output unit,
First time service unit and the industrial computer electrically connect with the master device respectively；
The distribution automation terminal communicates to connect with the master device.
2. the hierarchical test system according to claim 1 based on IEC61850 distribution automations, it is characterised in that institute
Voltage source and the current source is stated to electrically connect with the terminal tester CPU by D/A conversion unit.
3. the hierarchical test system according to claim 2 based on IEC61850 distribution automations, it is characterised in that institute
Switching value unit is stated to electrically connect with the terminal tester CPU.
4. the hierarchical test system according to claim 2 based on IEC61850 distribution automations, it is characterised in that institute
Stating terminal tester also includes the first GPS module, the second time service unit and the first communication unit, and first GPS module passes through
Second time service unit electrically connects with the terminal tester CPU；First communication unit and the terminal
Tester CPU electrically connects.
5. the hierarchical test system based on IEC61850 distribution automations according to claim any one of 1-4, it is special
Sign is, the smooth input-output unit, first time service unit and the industrial computer respectively with the main website tester
Central Processing Unit electrically connects.
6. the hierarchical test system according to claim 5 based on IEC61850 distribution automations, it is characterised in that institute
Stating main website tester also includes the second GPS module and the second communication unit, second GPS module and second communication unit
Electrically connected respectively with the main website tester CPU.
7. the hierarchical test system according to claim 6 based on IEC61850 distribution automations, it is characterised in that institute
State industrial computer and be connected to Ethernet interface and man-machine interface, the Ethernet interface and the man-machine interface pass through the industrial computer
Electrically connected with the main website tester CPU.
8. the hierarchical test system according to claim 7 based on IEC61850 distribution automations, it is characterised in that institute
State main website tester and connect more station terminal testers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091682.1A CN107703396A (en) | 2017-11-08 | 2017-11-08 | A kind of hierarchical test system based on IEC61850 distribution automations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091682.1A CN107703396A (en) | 2017-11-08 | 2017-11-08 | A kind of hierarchical test system based on IEC61850 distribution automations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107703396A true CN107703396A (en) | 2018-02-16 |
Family
ID=61179994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711091682.1A Pending CN107703396A (en) | 2017-11-08 | 2017-11-08 | A kind of hierarchical test system based on IEC61850 distribution automations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107703396A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113553544A (en) * | 2021-06-29 | 2021-10-26 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | Statistical method for thermotechnical protection input rate |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779416Y (en) * | 2004-11-30 | 2006-05-10 | 湖南大学 | Minitype tester for relaying protection experiment |
| CN202353318U (en) * | 2011-11-26 | 2012-07-25 | 广东电网公司电力科学研究院 | Distribution automation experiment system integrating a plurality of communication modes |
| CN202794365U (en) * | 2012-07-09 | 2013-03-13 | 福建省电力有限公司电力科学研究院 | Automatic testing system for power distribution monitoring terminals |
| CN103051065A (en) * | 2012-12-29 | 2013-04-17 | 安徽科大智能电网技术有限公司 | Distribution-automation distributed type FA (feeder automation) linkage test method and system |
| CN103414547A (en) * | 2013-07-22 | 2013-11-27 | 大唐移动通信设备有限公司 | Method according to which main station controls multiple auxiliary stations, base station and system |
| CN203350377U (en) * | 2013-07-15 | 2013-12-18 | 四川省电力公司阿坝公司 | Automation relay protection testing device |
| WO2014090018A1 (en) * | 2012-12-12 | 2014-06-19 | 天津市电力公司 | Iec61850 standard-based intelligent power distribution terminal |
| CN104037945A (en) * | 2014-06-25 | 2014-09-10 | 国家电网公司 | Distribution network automation system |
| CN104034980A (en) * | 2014-06-17 | 2014-09-10 | 国家电网公司 | Distribution automation joint debugging platform for FTU terminal equipment |
| CN204103602U (en) * | 2014-10-20 | 2015-01-14 | 南京讯汇科技发展有限公司 | A kind of intelligent network distribution automated system |
| CN204422722U (en) * | 2015-03-04 | 2015-06-24 | 国家电网公司 | The proving installation of a kind of distribution terminal and automated system main website |
| CN105262211A (en) * | 2015-09-24 | 2016-01-20 | 珠海许继芝电网自动化有限公司 | Distribution master station and terminal synchronous on-line self-diagnosis method |
| CN105403793A (en) * | 2015-12-11 | 2016-03-16 | 国网四川省电力公司阿坝供电公司 | Automatic transformer station digital relay protection tester |
| CN105610245A (en) * | 2016-02-04 | 2016-05-25 | 国网山东省电力公司淄博供电公司 | Integrated test system for simulated master station for intelligent substation |
| CN105785199A (en) * | 2016-04-29 | 2016-07-20 | 国网福建省电力有限公司 | Multifunctional power distribution terminal integrated test system and operating method thereof |
| CN105848175A (en) * | 2016-05-19 | 2016-08-10 | 国网山东省电力公司聊城供电公司 | Wireless communication test device of power distribution automation system and application thereof |
| US20160309352A1 (en) * | 2013-11-04 | 2016-10-20 | State Grid Corporation Of China | Intelligent power utilization communication product detecting system |
| CN207366670U (en) * | 2017-11-08 | 2018-05-15 | 云南电网有限责任公司电力科学研究院 | A kind of hierarchical test device based on IEC61850 distribution automations |
-
2017
- 2017-11-08 CN CN201711091682.1A patent/CN107703396A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779416Y (en) * | 2004-11-30 | 2006-05-10 | 湖南大学 | Minitype tester for relaying protection experiment |
| CN202353318U (en) * | 2011-11-26 | 2012-07-25 | 广东电网公司电力科学研究院 | Distribution automation experiment system integrating a plurality of communication modes |
| CN202794365U (en) * | 2012-07-09 | 2013-03-13 | 福建省电力有限公司电力科学研究院 | Automatic testing system for power distribution monitoring terminals |
| WO2014090018A1 (en) * | 2012-12-12 | 2014-06-19 | 天津市电力公司 | Iec61850 standard-based intelligent power distribution terminal |
| CN103051065A (en) * | 2012-12-29 | 2013-04-17 | 安徽科大智能电网技术有限公司 | Distribution-automation distributed type FA (feeder automation) linkage test method and system |
| CN203350377U (en) * | 2013-07-15 | 2013-12-18 | 四川省电力公司阿坝公司 | Automation relay protection testing device |
| CN103414547A (en) * | 2013-07-22 | 2013-11-27 | 大唐移动通信设备有限公司 | Method according to which main station controls multiple auxiliary stations, base station and system |
| US20160309352A1 (en) * | 2013-11-04 | 2016-10-20 | State Grid Corporation Of China | Intelligent power utilization communication product detecting system |
| CN104034980A (en) * | 2014-06-17 | 2014-09-10 | 国家电网公司 | Distribution automation joint debugging platform for FTU terminal equipment |
| CN104037945A (en) * | 2014-06-25 | 2014-09-10 | 国家电网公司 | Distribution network automation system |
| CN204103602U (en) * | 2014-10-20 | 2015-01-14 | 南京讯汇科技发展有限公司 | A kind of intelligent network distribution automated system |
| CN204422722U (en) * | 2015-03-04 | 2015-06-24 | 国家电网公司 | The proving installation of a kind of distribution terminal and automated system main website |
| CN105262211A (en) * | 2015-09-24 | 2016-01-20 | 珠海许继芝电网自动化有限公司 | Distribution master station and terminal synchronous on-line self-diagnosis method |
| CN105403793A (en) * | 2015-12-11 | 2016-03-16 | 国网四川省电力公司阿坝供电公司 | Automatic transformer station digital relay protection tester |
| CN105610245A (en) * | 2016-02-04 | 2016-05-25 | 国网山东省电力公司淄博供电公司 | Integrated test system for simulated master station for intelligent substation |
| CN105785199A (en) * | 2016-04-29 | 2016-07-20 | 国网福建省电力有限公司 | Multifunctional power distribution terminal integrated test system and operating method thereof |
| CN105848175A (en) * | 2016-05-19 | 2016-08-10 | 国网山东省电力公司聊城供电公司 | Wireless communication test device of power distribution automation system and application thereof |
| CN207366670U (en) * | 2017-11-08 | 2018-05-15 | 云南电网有限责任公司电力科学研究院 | A kind of hierarchical test device based on IEC61850 distribution automations |
Non-Patent Citations (1)
| Title |
|---|
| 吴克胜;刘敬之;杨洪易;马志青;马骥: "配电网馈线自动化不停电测试方法探讨", vol. 35, no. 04, pages 6 - 8 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113553544A (en) * | 2021-06-29 | 2021-10-26 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | Statistical method for thermotechnical protection input rate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Dashti et al. | A survey of fault prediction and location methods in electrical energy distribution networks | |
| Zare et al. | Synchrophasor-based wide-area backup protection scheme with data requirement analysis | |
| CN106124935A (en) | Middle and low voltage network Fault Locating Method | |
| Zare et al. | Communication-constrained regionalization of power systems for synchrophasor-based wide-area backup protection scheme | |
| CN104880629B (en) | The remote diagnosis method of dispatching terminal protection element action behavior | |
| CN104242274B (en) | Quantity of state differential protecting method containing distributed power distribution network | |
| CN207366670U (en) | A kind of hierarchical test device based on IEC61850 distribution automations | |
| Zayandehroodi et al. | Determining exact fault location in a distribution network in presence of DGs using RBF neural networks | |
| CN103366051A (en) | Method and system for modeling of primary equipment and secondary equipment | |
| Wen et al. | The role of remedial action schemes in renewable generation integrations | |
| Gomes et al. | Microgrid protection schemes | |
| Mirsaeidi et al. | Review and analysis of existing protection strategies for micro-grids | |
| Katyara et al. | Wireless networks for voltage stability analysis and anti-islanding protection of smart grid system | |
| Rameshrao et al. | A LSTM-based approach for detection of high impedance faults in hybrid microgrid with immunity against weather intermittency and N-1 contingency | |
| Faazila Fathima et al. | Protection strategies for ac and dc microgrid–A review of protection methods adopted in recent decade | |
| US11128128B2 (en) | Directional over-current ground relay (DOCGR) using sampled value and method for operating the DOCGR | |
| Deliyannides et al. | Design criteria for an integrated microprocessor-based substation protection and control system | |
| Zhang et al. | Design of adaptive line protection under smart grid | |
| CN113572193A (en) | Distributed power supply island operation state identification method, fusion terminal and system | |
| Mohamed et al. | A multi-agent system for fault location and service restoration in power distribution systems | |
| CN107703396A (en) | A kind of hierarchical test system based on IEC61850 distribution automations | |
| CN108509751A (en) | A kind of power information physical coupling system dynamic modelling method considering delay matrix | |
| Wu | An adaptive limited wide area differential protection for power grid with micro-sources | |
| CN105305482A (en) | Distributed-type power grid-connected monitoring system based on B/S architecture | |
| Lakshmi et al. | IoT based protection of microgrid with grid-connected and islanded mode using wavelet approach |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180216 |