CN102738892A - Realization method of intelligent anti-error system of transformer substation based on IEC61850 - Google Patents
Realization method of intelligent anti-error system of transformer substation based on IEC61850 Download PDFInfo
- Publication number
- CN102738892A CN102738892A CN201110089924XA CN201110089924A CN102738892A CN 102738892 A CN102738892 A CN 102738892A CN 201110089924X A CN201110089924X A CN 201110089924XA CN 201110089924 A CN201110089924 A CN 201110089924A CN 102738892 A CN102738892 A CN 102738892A
- Authority
- CN
- China
- Prior art keywords
- error
- meta
- rule
- switch
- isolation switch
- 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.)
- Granted
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The invention discloses a realization method of an intelligent anti-error system of a transformer substation based on IEC61850. The method comprises the following steps: taking a SCD model file of the intelligent transformer substation as input, analyzing all-station static state topology file and storing to a station control level; analyzing the static state topology file of each interval and storing into relevant interval layer devices respectively; according to the types of the devices, abstracting a group of station control level anti-error determination meta rules and a group of interval layer anti-error determination meta rules; finally, analyzing and obtaining a locking result of the device. The method of the invention has the following advantages that: a five-prevention logic rule of the device does not need to be compiled in advance; reliability, flexibility and security of the anti-error system are increased.
Description
Technical field
The invention belongs to automation of transformation substations technical field, relate in particular to a kind of intelligent substation anti-error system that need not to write latching logic rule between primary equipment.
Background technology
[0002] " five is anti-" is meant and prevents recurrent five kinds of misoperation faults in the electric power system grid switching operation, and promptly deciliter circuit breaker, on-load drawing isolation switch, band ground connection cutter (earth connection) close isolation switch, charged splice grafting ground cutter (hanging earthing conductor) and mistakenly entering charged chamber by mistake.
At present, the micro_computer five_proof system is widely used in transformer station, in the grid switching operation of electrical network, has brought into play important effect.In existing all electric substation automation systems, all five-preventing system need be set, the structure of electric substation automation system generally is divided into station level, wall and process layer, at each layer five anti-logic rules need be set all.There is following shortcoming in the five-preventing system of this mode:
1, through the directly relation of the operation locking between define equipment realization in advance; Because latching logic is to write deadly in advance, very flexible maybe be just no longer suitable when the normal latching logic of some special operationals or fortuitous event occurring; Prevent and have to withdraw from five, cause certain potential safety hazard.
2, when normal operation of equipment and maintenance, five anti-logics are different usually, need 2 covers or overlap predefined latching logic more and switch back and forth, operate inconvenience, are prone to make mistakes.
3, when equipment change or transformer station's reorganization and expansion, affected latching logic needs to rewrite, and needs checking again, and maintenance workload is big.
4, when the transforming plant primary equipment amount for a long time, it is big to write five anti-regular workloads, and is prone to make mistakes.
Summary of the invention
Technical problem to be solved by this invention is the problem that exists to micro_computer five_proof system in the transformer station in the background technology; The implementation method of a kind of application based on the intelligent anti-error system of IEC61850 transformer station is provided; Need not to write in advance and generate primary equipment five anti-logic rules, the reliability, flexibility and the fail safe that improve anti-error system.
The present invention adopts following technical scheme for solving the problems of the technologies described above:
A kind of implementation method based on IEC61850 intelligent substation anti-error system comprises the steps:
Steps A according to transformer station's SCD model information of standing entirely, extracts the static topological file of the static topological file of full transformer station and each wall;
When step B, station level receive the control operation order of primary equipment, analyze the real-time topological state of full station primary equipment, and, analyze the anti-misoperation locking check result that draws this equipment according to the anti-error meta-rule of station level;
Step C according to the anti-error meta-rule of wall, adopts wall locking inspection method, analyzes the locking result of the equipment that draws.
Further, in the aforesaid implementation method based on IEC61850 intelligent substation anti-error system, the anti-error meta-rule of station level is described with device type; Wherein:
2-1, following normally in the meta-rule of isolation switch:
2-1-1, isolation switch one end are on the ground connection load island, when the other end is on the power island, do not allow closing operation;
2-1-2, isolation switch one end is on the load island, when the other end is on the power island, does not allow closing operation;
2-2, the branch in the meta-rule of isolation switch is regular as follows:
2-2-1 supposes that this isolation switch separates, if topology back one end is on the load island again, when the other end is on the power island, does not allow the branch operation;
2-2-2, the exception of isolation switch is handled: isolation switch both sides other closed switches, disconnecting link through standing in are connected to a conducting loop, and promptly deciliter disconnecting link does not allow branch when both sides are equipotential before;
2-3, following normally in the meta-rule of ground connection cutter or earth connection: if the non-ground-end of ground connection cutter is on the power island, then do not allow splice grafting ground cutter, promptly can not hanging earthing conductor.
Further, in the implementation method of aforesaid intelligent substation anti-error system based on IEC61850, the characteristic of the anti-error meta-rule of wall is:
3-1, following normally in the meta-rule of isolation switch:
3-1-1, the switch that isolation switch directly links to each other is necessary for branch, if do not have directly continuous switch then its switch that links to each other indirectly of deep search, all switches that search all should be in a minute position;
3-1-2 does not have ground wire or ground connection cutter to close the position in the electrical wiring that till all directions extend to all disconnecting links, is made up of this disconnecting link both sides lead;
3-2, the branch in the meta-rule of isolation switch is regular as follows:
3-2-1, the switch that isolation switch directly links to each other is necessary for branch, if do not have directly continuous switch then its switch that links to each other indirectly of deep search, all switches that search all should be in a minute position;
3-3, following normally in the meta-rule of ground connection cutter or earth connection:
3-3-1, the disconnecting link of all directions of tie point of ground connection cutter or earth connection all draws back, and has equipment such as switch, transformer, current transformer, series reactor still to be regarded as lead therebetween and links to each other.
Further, in the aforesaid implementation method based on IEC61850 intelligent substation anti-error system, wall anti-misoperation locking inspection method is:
4-1 after wall is received operational order, judges that at first order from where, if from telemechanical or background monitoring, directly pass through, do not do the anti-misoperation locking inspection;
4-2; If cell device will be checked to station level telemechanical server requests anti-misoperation locking through the MMS mode of IEC61850 after receiving the local operation order; After the telemechanical server is received the anti-misoperation locking request, carry out above-mentioned steps B, and assay is write back to cell device;
4-3, cell device was received station level anti-misoperation locking check result before overtime, then carries out according to the result, otherwise, be judged as the station level fault, start local locking inspection method;
4-4, the local locking inspection method of wall is: analyze the real-time topological state of primary equipment at this interval, and according to the anti-error meta-rule of wall, analyze the locking result of the equipment that draws.
The present invention adopts above technical scheme, has following technique effect:
Intelligent anti-error system of the present invention only kept simple anti-error meta-rule, meta-rule is based on device type, is not based on certain concrete equipment, and is general in all transformer stations.Station level, wall all need not to define the latching relation between primary equipment, combine with anti-error meta-rule through real-time topological analysis, have solved following problem:
(1), when some special operationals or fortuitous event occurring, such as: the operating mechanism of switch has been broken, and anti-false judgment is effective in the same old way, has guaranteed the anti-error hidden danger of not staying.
(2), the problem switched of the normal operation of the equipment anti-error rule of many covers during with maintenance because be that topology is calculated in real time, so, do not have the problem of switching.
(3), owing to need not to write the anti-rule of five between primary equipment, solved the anti-error problem that a large amount of manual compiling rules and transformer station change, extend.
Description of drawings
Fig. 1 is an intelligent anti-error system deployment diagram of the present invention.
Fig. 2 extracts static topological relation flow chart.
Fig. 3 is the real-time anti-misoperation locking inspection in a full station flow chart.
Fig. 4 is an escapement anti-misoperation locking inspection flow chart.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Static topological analysis module; SCD (the Substation Configuration Description that provides according to intelligent substation; Full station model) file extracts the topological relation between the primary equipment of full station, and is saved in station level system (supervisory control system and the telemechanical communication server).Extract the topological relation between each primary equipment at interval of full station, generate topological file,, download to measure and control device and preserve through the station level network.
The real-time topological analysis module of station level is used to analyze the real-time topological state of full station primary equipment.
The real-time topological analysis module of wall is used to analyze the real-time topological state of primary equipment at this interval.
Intelligence anti-misoperation locking inspection module when receiving the anti-false judgment request, according to real-time topological state and corresponding meta-rule, judges whether current operation meets anti-error requirement, and provides the result that the decision logic of this module is identical with wall at station level.
When communication module, wall need be carried out the anti-misoperation locking inspection, at first send locking inspection request through communication module to station level telemechanical server, station level telemechanical server is beamed back the locking result through communication module.If in the time interval of setting, do not receive the return results of station level, then wall is launched the anti-misoperation locking inspection service of oneself, obtains the locking result.Because not about the model of station level and the anti-error check of wall, this part model needs expansion in the IEC61850 master pattern.
The intelligence anti-error system is disposed
Shown in Figure 1, be intelligent anti-error system deployment diagram of the present invention.The background monitoring system of station level, the telemechanical communication server, each measure and control device are all according to circumstances disposed respectively.
Background monitoring system is deployed with: topology information packing and distribution, monitoring five-defence block inspection service, communication service module and topology information data.
The telemechanical communication server is deployed with: telemechanical five-defence block inspection service, telemechanical five anti-communication service module and topology information data.
Measure and control device is deployed with: observing and controlling five-defence block inspection service, five anti-communication service and observing and controlling topology information data.
Static topological relation extracts flow process
Shown in Figure 2, be that static topological relation of the present invention extracts flow chart.According to the SCD file at full station, the SCD file includes the topological relation in full station, secondary acquisition model and a secondary incidence relation.Static topological analysis module is analyzed the topological relation in full station from the SCD file, and saves as the file of the station level supervisory control system and the telemechanical communication server to it.From the SCD file, analyze each topological relation at interval, each is a file at interval, deposits relevant escapement through communication network respectively.
Station level anti-misoperation locking inspection flow process and anti-error meta-rule
Shown in Figure 3, be the real-time anti-misoperation locking inspection of station level supervisory control system.Relating to the anti-error meta-rule of station level specifies as follows:
Anti-error meta-rule is described with device type, is not to be description object with concrete certain equipment;
The meta-rule of isolation switch is following normally:
2 isolation switchs, one end is on the ground connection load island, when the other end is on the power island, does not allow closing operation;
2 isolation switchs, one end is on the load island, when the other end is on the power island, does not allow closing operation.
The branch of isolation switch is regular as follows:
2 suppose that earlier this isolation switch separates, if topology back one end is on the load island again, when the other end is on the power island, do not allow the branch operation.
The exception of isolation switch is handled:
2 isolation switch both sides other closed switches, disconnecting link in standing are connected to a conducting loop (promptly both sides are equipotential before deciliter disconnecting link), do not allow branch.
The meta-rule of ground connection cutter (earth connection) is following normally:
If the non-ground-end of 2 ground connection cuttves is on the power island, then do not allow splice grafting ground cutter (hanging earthing conductor).
The branch of ground connection cutter (earth connection) is regular as follows:
2 do not have.
The meta-rule of switch (circuit breaker) is following:
2 do not have.
Because switch can charged deciliter, so anti-error mainly is the branch closing operation of restriction disconnecting link.
Station level intelligence anti-misoperation locking inspection module is called the real-time topological analysis module in full station immediately after the request of receiving anti-misoperation locking, refresh the real-time topological state in full station.According to the device type and the Action Target state of request,, judge whether to allow operation, and as a result of return afterwards in conjunction with meta-rule.
The extended method of traffic model
Under CILO (LN of IEC61850), increase a DO, called after " intelligent anti-error request ", uncontrollable, the stVal value is 0 or 1, purposes is with giving station level in the form active of anti-misoperation locking inspection request with report; For monitoring increases a DO, called after " anti-misoperation locking result ", controlled, control mode is straight control, ctlVal value 1 or 2 purposes are the locking check results that receive station level.
Example:
< LD desc=" control " inst=" CTRL " >
<LN?desc="*****"?inst="1"?lnClass="CILO"...>
< DOI desc=" intelligent anti-error request " name=" wfreq " >
< DAI desc=" the request monitoring is anti-error " name=" stVal " sAddr=" ... " />
</DAI>
</DOI>
< DOI desc=" anti-misoperation locking result " name=" jkreq " >
<SDI?name="Oper">
< DAI desc=" anti-misoperation locking result " name=" ctlVal " sAddr=" ... " />
</SDI>
<DAI?name="ctlModel">
<Val>direct-with-enhanced-security</Val>
</DAI>
</DOI>
</LN>
</LD?>
E) anti-error inspection process of wall and anti-error meta-rule
Shown in Figure 4, be the real-time anti-misoperation locking inspection of wall.The anti-error meta-rule of the wall that relates to is explained as follows:
The meta-rule of isolation switch is following normally:
The switch that 2 isolation switchs directly link to each other is necessary for branch, if do not have directly continuous switch then its switch that links to each other indirectly of deep search, all switches that search all should be in a minute position.
There are not ground wire or ground connection cutter to close the position in 2 electrical wirings that till all directions extend to all disconnecting links, constituted by this disconnecting link both sides lead.
The branch of isolation switch is regular as follows:
The switch that 2 isolation switchs directly link to each other is necessary for branch, if do not have directly continuous switch then its switch that links to each other indirectly of deep search, all switches that search all should be in a minute position.
The meta-rule of ground connection cutter (earth connection) is following normally:
The disconnecting link of 2 all directions of ground connection cutter (earth connection) tie point all draws back, and has equipment such as switch, transformer, current transformer, series reactor still to be regarded as lead therebetween and links to each other.
The branch of ground connection cutter (earth connection) is regular as follows:
2 do not have.
The meta-rule of switch (circuit breaker) is following:
2 do not have.
After wall is received the primary equipment control command, judge at first order is from where, if from the telemechanical communication server or background monitoring system; Directly pass through; Do not carry out the locking inspection, because passed through the locking inspection at station level, otherwise control command can not descended measure and control device.
If cell device is changed to 1 with the anti-error request reference of intelligence (CTRL$CILO1$ST$wfreq) after receiving the local operation order; Measure and control device is with sending station level in the state displacement report; The request station level carries out the anti-misoperation locking inspection; Simultaneously with anti-misoperation locking as a result reference (CTRL$CILO1$ST$jkret) be reset to 0, wait for station level five-defence block check result;
Station level carries out anti-misoperation locking inspection calculation after receiving the anti-misoperation locking request report, and the locking result is write back to measure and control device anti-misoperation locking reference (CTRL$CILO1$COST$jkret); Value: 1 expression does not allow operation, and 2 expressions allow operation.
The value of cell device circular test anti-misoperation locking reference (CTRL$CILO1$ST$JkRet), if in overtime this value variation (receiving the anti-misoperation locking result) before then according to result's execution, otherwise, be judged as the station level fault, start local anti-error checking process.
After accomplishing whole anti-error checking procedure the anti-error request reference of intelligence (CTRL$CILO1$ST$WfReq) is reset to 0.
Claims (4)
1. the implementation method based on IEC61850 intelligent substation anti-error system is characterized in that, comprises the steps:
Steps A according to transformer station's SCD model information of standing entirely, extracts the static topological file of the static topological file of full transformer station and each wall;
When step B, station level receive the control operation order of primary equipment, analyze the real-time topological state of full station primary equipment, and, analyze the anti-misoperation locking check result that draws this equipment according to the anti-error meta-rule of station level;
Step C according to the anti-error meta-rule of wall, adopts wall locking inspection method, analyzes the locking result of the equipment that draws.
2. according to right 1 described implementation method, it is characterized in that the anti-error meta-rule of station level is described with device type based on IEC61850 intelligent substation anti-error system; Wherein:
2-1, following normally in the meta-rule of isolation switch:
2-1-1, isolation switch one end are on the ground connection load island, when the other end is on the power island, do not allow closing operation;
2-1-2, isolation switch one end is on the load island, when the other end is on the power island, does not allow closing operation;
2-2, the branch in the meta-rule of isolation switch is regular as follows:
2-2-1 supposes that this isolation switch separates, if topology back one end is on the load island again, when the other end is on the power island, does not allow the branch operation;
2-2-2, the exception of isolation switch is handled: isolation switch both sides other closed switches, disconnecting link through standing in are connected to a conducting loop, and promptly deciliter disconnecting link does not allow branch when both sides are equipotential before;
2-3, following normally in the meta-rule of ground connection cutter or earth connection: if the non-ground-end of ground connection cutter is on the power island, then do not allow splice grafting ground cutter, promptly can not hanging earthing conductor.
3. according to the implementation method of right 1 described intelligent substation intelligence anti-error system, it is characterized in that the anti-error meta-rule of said step C intermediate interlayer is specific as follows:
3-1, following normally in the meta-rule of isolation switch:
3-1-1, the switch that isolation switch directly links to each other is necessary for branch, if do not have directly continuous switch then its switch that links to each other indirectly of deep search, all switches that search all should be in a minute position;
3-1-2 does not have ground wire or ground connection cutter to close the position in the electrical wiring that till all directions extend to all disconnecting links, is made up of this disconnecting link both sides lead;
3-2, the branch in the meta-rule of isolation switch is regular as follows:
3-2-1, the switch that isolation switch directly links to each other is necessary for branch, if do not have directly continuous switch then its switch that links to each other indirectly of deep search, all switches that search all should be in a minute position;
3-3, following normally in the meta-rule of ground connection cutter or earth connection:
3-3-1, the disconnecting link of all directions of tie point of ground connection cutter or earth connection all draws back, and has equipment such as switch, transformer, current transformer, series reactor still to be regarded as lead therebetween and links to each other.
4. according to the implementation method of right 1 described intelligent substation intelligence anti-error system, it is characterized in that: said step C intermediate interlayer locking inspection method is:
4-1 after wall is received operational order, judges that at first order from where, if from telemechanical or background monitoring, directly pass through, do not check anti-error;
4-2, if cell device receive after the local operation order will be through IEC61850 the MMS mode to the anti-error check of station level request, after station level is received the anti-misoperation locking request, carry out above-mentioned steps B, and assay write back to cell device;
4-3, cell device was received station level anti-misoperation locking check result before overtime, then carries out according to the result, otherwise, be judged as the station level fault, start local locking inspection method;
4-4, the local locking inspection method of wall is: analyze the real-time topological state of primary equipment at this interval, and according to the anti-error meta-rule of wall, analyze the locking result of the equipment that draws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110089924.XA CN102738892B (en) | 2011-04-12 | 2011-04-12 | Realization method of intelligent anti-error system of transformer substation based on IEC61850 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110089924.XA CN102738892B (en) | 2011-04-12 | 2011-04-12 | Realization method of intelligent anti-error system of transformer substation based on IEC61850 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102738892A true CN102738892A (en) | 2012-10-17 |
| CN102738892B CN102738892B (en) | 2014-08-06 |
Family
ID=46993889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110089924.XA Expired - Fee Related CN102738892B (en) | 2011-04-12 | 2011-04-12 | Realization method of intelligent anti-error system of transformer substation based on IEC61850 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102738892B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326463A (en) * | 2013-03-07 | 2013-09-25 | 江苏省电力公司扬州供电公司 | Transformer substation integrated mistake-proofing control method based on IEC 61850 |
| CN104125693A (en) * | 2014-08-12 | 2014-10-29 | 国网重庆市电力公司 | Transformer substation lighting control system and control method implemented by same |
| CN104158294A (en) * | 2014-08-27 | 2014-11-19 | 凯里供电局 | Dispatching anti-misoperation control method |
| CN106877512A (en) * | 2017-04-24 | 2017-06-20 | 国网上海市电力公司 | A kind of remote-control integrated anti-misoperation method of power network |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458505A (en) * | 2008-12-17 | 2009-06-17 | 国电南京自动化股份有限公司 | Full-station anti-mistaking closedown design method based on IEC61850 standard |
-
2011
- 2011-04-12 CN CN201110089924.XA patent/CN102738892B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458505A (en) * | 2008-12-17 | 2009-06-17 | 国电南京自动化股份有限公司 | Full-station anti-mistaking closedown design method based on IEC61850 standard |
Non-Patent Citations (2)
| Title |
|---|
| 许先锋等: "EMS中系统拓扑五防的设计与实现", 《电网技术》 * |
| 郑维明等: "数字化变电站中闭锁逻辑自动生成专家系统", 《电力系统保护与控制》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326463A (en) * | 2013-03-07 | 2013-09-25 | 江苏省电力公司扬州供电公司 | Transformer substation integrated mistake-proofing control method based on IEC 61850 |
| CN103326463B (en) * | 2013-03-07 | 2015-10-28 | 江苏省电力公司扬州供电公司 | The anti-error control method of a kind of integration of the transformer station based on IEC61850 |
| CN104125693A (en) * | 2014-08-12 | 2014-10-29 | 国网重庆市电力公司 | Transformer substation lighting control system and control method implemented by same |
| CN104125693B (en) * | 2014-08-12 | 2016-04-06 | 国网重庆市电力公司 | The control method of transformer station's lamp light control system |
| CN104158294A (en) * | 2014-08-27 | 2014-11-19 | 凯里供电局 | Dispatching anti-misoperation control method |
| CN104158294B (en) * | 2014-08-27 | 2017-06-20 | 凯里供电局 | One kind scheduling anti-misoperation control method |
| CN106877512A (en) * | 2017-04-24 | 2017-06-20 | 国网上海市电力公司 | A kind of remote-control integrated anti-misoperation method of power network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102738892B (en) | 2014-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102508059B (en) | Topology error-preventing checking method based on intelligent identification of state of equipment | |
| WO2017166735A1 (en) | Power-grid self-healing system and self-healing logic thereof in 110kv chain power-supply mode | |
| CN105302121A (en) | Sequential control operation order automatic anti-error check method based on simulation IED device | |
| CN102447305B (en) | Topological anti-misoperation system for power grid | |
| CN101917064B (en) | Back-up protection processing method of digital substation transformer based on GOOSE mode | |
| CN107356838B (en) | Fault processing function test method for power distribution automation master station system | |
| CN106463951B (en) | Load recovery in high or medium voltage substations | |
| CN104283215A (en) | Detection and test method and device of intelligent distributed power distribution terminal | |
| CN110514930A (en) | A kind of the detection test method and device of intelligent distributed distribution terminal | |
| CN105548801A (en) | Fault location method suitable for closed-loop operation of distribution network | |
| CN112421614A (en) | Power distribution station self-healing control system and method based on local communication and topology identification | |
| CN111276929B (en) | Information recording method for fault expert diagnosis of power system | |
| CN102738892B (en) | Realization method of intelligent anti-error system of transformer substation based on IEC61850 | |
| CN105573283A (en) | Transformer station equipment function association database establishing method and event association information group filtering method | |
| CN113887157A (en) | Active distribution network automatic terminal network closed-loop test method based on RTDS | |
| CN105337314A (en) | Multisource coordination control fault treatment method based on distributed power supply black start technology | |
| CN103346497A (en) | Intelligent substation electrical virtual circuit isolation method and system | |
| CN113364120B (en) | Method, device and equipment for checking control process of intelligent substation and storage medium | |
| US11309699B2 (en) | Control system for and method of fault location, isolation and supply restoration | |
| He et al. | Distributed protection for smart substations based on multiple overlapping units | |
| CN111327474B (en) | Power system fault diagnosis method based on topology analysis | |
| Tutvedt et al. | Smart fault handling in medium voltage distribution grids | |
| CN207518284U (en) | A kind of accident disconnection device of small power incorporating into power network | |
| Zhou et al. | Research on an Intelligent Distributed Feeder Automation Dynamic Testing System | |
| CN103545923A (en) | Protection method for repairing devices |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20170412 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |