CN102368316A - Real-time topology based precontrol method for reliability of distribution network - Google Patents

Real-time topology based precontrol method for reliability of distribution network Download PDF

Info

Publication number
CN102368316A
CN102368316A CN 201110339721 CN201110339721A CN102368316A CN 102368316 A CN102368316 A CN 102368316A CN 201110339721 CN201110339721 CN 201110339721 CN 201110339721 A CN201110339721 A CN 201110339721A CN 102368316 A CN102368316 A CN 102368316A
Authority
CN
China
Prior art keywords
switch
distribution
power failure
time
real
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
Application number
CN 201110339721
Other languages
Chinese (zh)
Inventor
朱红
陈连杰
毛小武
韦磊
朱红勤
嵇文路
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Nari Technology Co Ltd
Nanjing Power Supply Co of Jiangsu Electric Power Co
Original Assignee
Nari Technology Co Ltd
Nanjing Power Supply Co of Jiangsu Electric Power Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nari Technology Co Ltd, Nanjing Power Supply Co of Jiangsu Electric Power Co filed Critical Nari Technology Co Ltd
Priority to CN 201110339721 priority Critical patent/CN102368316A/en
Publication of CN102368316A publication Critical patent/CN102368316A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a real-time topology based precontrol method for reliability of a distribution network. On the basis of an automatic system of a distribution network, switch telecommand information in all line sections in the automatic system of the distribution network is input into the automatic system of the distribution network. According to the precontrol method, real-time monitoring is carried out on switch telecommand displacement information in a distribution network; grouping is carried out on captured telecommand displacement switches according to lines and electrical islands; and then, according to all switch types and operating states in groups, it is evaluated whether each group of switches is in a power failure operation state or in a power transmission operation state; whole network local topology is carried out on a switch group in a power failure operation state as well as power failure starting time, a switch segment of power failure, and distribution transform and load are recorded, wherein the distribution transform and the load are included by the switch segment of the power failure; with regard to a switch group in a power transmission operation state, a registered power failure event is inquired; a corresponded power failure event id found out and closed ring processing is carried out; and information including power failure closing time, household hours, and energy not supplied and the like is updated. According to the method provided in the invention, real-time recording on all power failure events can be ensured, thereby laying a foundation for an accuracy of reliable statistics.

Description

A kind of preparatory control method of distribution reliability based on real-time topology
Technical field
The present invention relates to distribution reliability applied technical field in the electric system, particularly a kind of preparatory control method of distribution reliability based on real-time topology.
Background technology
In electric system, distribution system is directly connecting generating and transmitting system and user, is undertaking the task of directly supplying and distributing electric energy to the user, has characteristics such as equipment amount is huge, method of operation complicacy.According to effectively statistics demonstration, user's power-off event of about more than 80% all is scheduled outage, and therefore, in the planning and the construction, in service of distribution system, reliability management has crucial meaning.
The power supply reliability of distribution network, the safety that is directly connected to user power utilization is related to the survival and development of power supply enterprise with reliable, is related to the development of entire city.Therefore, how guaranteeing and improve the safe and reliable operation of distribution, is the important topic that each power supply enterprise all must be concerned about.
The definition of power supply reliability is: electric power system is to the ability of user's continued power.It is an important content of management of electric power dependability, has reflected the satisfaction degree of power industry to the national economy power requirement, and it is through the index of power supply reliability as tolerance.In power supply reliability is meant during adding up, to the ratio of hourage during total hourage of the effective power-on time of user and the statistics.
Distribution system is in the electric system end; Directly link to each other with the user; In case distribution system or device fails or overhaul, test often will cause the interruption of system to user's power supply simultaneously, be excluded or repair up to the fault of distribution system and equipment thereof; Return to original serviceable condition; Could continue the power supply to the user, whole electric system all must embody through distribution system user's power supply capacity and quality, and the reliability index of distribution system is actually the concentrated reflection of whole NETWORK STRUCTURE PRESERVING POWER SYSTEM and operation characteristic.
The distribution reliability relates to very many factors:
On the one hand comprise control measures, the personnel's that develop skill sense of responsibility and technical merit, and in the management of city net to the attention of power supply reliability;
Mainly be the raising of technology and facility aspect on the other hand: considering under the prerequisite of economy, residual old distribution network is being carried out structure optimization, the renewal of equipment and transformation.
But present present situation is, a lot of power supply enterprises are strict inadequately to the management of reliability, and concrete power off time, scope are difficult to hold, thereby be difficult to management decision side infrastructural support are provided.Therefore, how to guarantee that the reliability basic data in real time, accurately is to need a primary difficult problem that solves in the distribution network reliability management.
A lot of professional's starting points are that the evaluation method of reliability done a lot of research work, utilize analytical hierarchy process to set up the distribution network reliability appraisement system like publication number for proposing in the patented claim of [102013085A]; Publication number is the failure propagation method that proposes a kind of evaluating reliability of distribution network in the patent of [101685968], relates to the medium voltage distribution network reliability estimation method of radial operation.Mainly utilize computing machine, through software program, the event of failure that adopts the state enumerative technique to carry out each element in the power distribution network is enumerated calculating, and carries out distribution power system load flow calculation and calculating of distribution network reliability index and output.Publication number is that the patented claim of [101562339] realizes the computing method based on the distribution Power System Reliability index of successful flow; It is simple to have model; Calculate consuming time less, precision is high; Characteristics that can be used for fairly large system, and can try to achieve the index of each load point, thus foundation is provided for the microcosmic ultimate value management of indivedual fiduciary levels.
But if the power-off event basic data is fuzzy, a blanking method, principle all are difficult to reflect objective reality.As in current actual power-off event, the beginning that has a power failure, concluding time all are to lean on the artificial report of yardman, have sizable time error; The power failure scope is checked by the reliability management personnel by hand, and the generation etc. that just makes mistakes unavoidably can't guarantee the accurate of the information of having a power failure.
Summary of the invention
The present invention provides a kind of preparatory control method of distribution reliability based on real-time topology; On the basis of distribution automation; Guarantee two core index of power failure reliability statistics from data source header--power off time, number of users accurately and reliably, thereby guarantee power-off event in real time, accurately and comprehensively.
For realizing above-mentioned purpose, the technical scheme that the present invention takes is: a kind of preparatory control method of distribution reliability based on real-time topology based on distribution automation system, comprises the part of path that identifies with ID more than 1 in the distribution automation system; Switch remote signalling information in each part of path inputs in the distribution automation system; May further comprise the steps:
(1). monitor the switch remote signalling displacement information in each part of path in the distribution in real time; Block switch to capturing displacement information is divided into 1 above distribution switches set by circuit; Then each interconnection switch is integrated in the corresponding distribution switches set according to the electric island under it, simultaneously the major network isolating switch is integrated in the corresponding distribution switches set according to the electric island under the node of its distribution end;
Electric island is meant, one group of electrical equipment scope that the feeder line section of major network switch outlet couples together through switch, the mutual topology of feeder line section.Medium-voltage line that does not independently have interconnection switch to link to each other for example perhaps a plurality ofly interconnects and inner any 2 a plurality of medium-voltage lines that can reach through interconnection switch.It has reflected the static structure that electrical equipment connects, and by the decision of internal communication property, does not consider the state of equipment such as switch;
(2). based on the switchtype and the mode of operation thereof of each switch in the switches set, assess the action type of every group of switch and still send the electricity operation for the operation that has a power failure;
(3). to the switches set of the operation that has a power failure, carry out the whole network local topology, comprise step from the distribution end of major network isolating switch:
(3.1) judge according to switchtype whether the distribution switch is arranged in the switches set; If not then according to major network switch topology whole piece circuit; Write down each switch segments; Promptly write down out all the switch segments objects on the circuit, comprise each switch segments by which switch is formed, which distribution transforming, information on load arranged in the switch segments; If the distribution switch arranged then, according to circuit ID inquiry major network switch, write down each switch segments more then according to distribution switch inquiry circuit ID;
(3.2) interconnection switch with major network switch, drawing operation is a power supply point, and each switch segments in the topological structure is carried out dying operation, judges whether switch segments is charged; Record dead electricity switch segments and power failure start time thereof, and the dead electricity switch segments comprises in the power failure scope distribution transforming and information on load;
(4). to sending the switches set of electricity operation; Inquire about registered power-off event; From current also do not have closed loop and be in the switching line highway section of power failure state find corresponding power-off event to carry out closed-loop process, upgrade current switches set simultaneously and be recorded in the attribute information in the distribution automation system.
As a kind of improvement, when in the step (1) power distribution network switch remote signalling displacement information being monitored in real time, scan capture is to remote signalling displacement information each time, and finally obtains between the switch object of remote signalling displacement, is provided with the stand-by period; The termination of stand-by period becomes number of switches with remote signalling and no longer is changed to foundation.
In power distribution network, block switch (often closing) and interconnection switch (the normal branch) are the switchtypes by the usability qualitative classification.For the operation that has a power failure, generally need draw back corresponding block switch, if there is load to change situation about supplying, then need the corresponding interconnection switch of drawing; For sending the electricity operation, generally need the corresponding block switch of drawing, if possibly also will separating interconnection switch, changes by original line powering by related interconnection switch loading.What therefore, infer oppositely that this group switch realizes with the type of switch and its corresponding action type is the operation or send electricity to operate of having a power failure.So the method for described in the step of the present invention (2) action type of every group of switch being assessed comprises step:
2.1). definition power failure possibility is X, and sending electric possibility is Y;
2.2). judge the action type of block switch, if be separate operation then X=X+1, if operate then Y=Y+1 for drawing;
2.3). judge the action type of interconnection switch, if be separate operation then Y=Y+1, if operate then X=X+1 for drawing;
2.3). the comprehensive size of X and Y relatively, if X greater than Y, what then the present group switch was realized is the operation that has a power failure, on the contrary then for sending electric the operation.
After the closed-loop process, the current switches set attribute information that is updated in the distribution automation system comprises number when having a power failure concluding time, family, lacks delivery, comprises other reliability statistics underlying parameters in addition in the step of the present invention (4).Have a power failure the concluding time be current switches set in the process that realizes the power-off event closed-loop process, the running time of last block switch.
Preparatory control method of the present invention can be programmed according to existing ripe software engineering, and combines with hardware in the distribution automation system, realizes the present invention is based on the preparatory control method purpose of distribution reliability of real-time topology.
Beneficial effect
The basis of reliability statistics is improving with in time of power-off event maintenance of information; The present invention is when using based on distribution automation system; Because no matter be scheduled outage or fault outage, all will be accompanied by the breaker tripping and closing action of switch, also promptly must be attended by the generation of switch remote signalling displacement information; Therefore the present invention utilizes remote signalling displacement information to trigger the monitoring flow process of power-off event, but reliability underlying parameter such as number when accurate recording transmission or not time, scope, family.
In order to distinguish the possibility of different transmission or not incidents simultaneously; The present invention also carries out independent grouping to the remote signalling displacement message switching that captures; The corresponding possible power failure of one group of switch or send electric incident; The action type of carrying out current switches set according to the type and the mode of operation of every group of switch then judges, thereby guaranteed in the same time that switching manipulation is not disturbed each other between a plurality of power-off events.
In order accurately to analyze the whole switch segments objects on the circuit, for the switches set of the operation that has a power failure, unification of the present invention is carried out all fronts topology from the distribution end of the source-major network isolating switch of circuit, and writes down each dead electricity switch segments; After topology is accomplished; Each switch segments on the circuit will be with tree structure; Interconnection switch with major network switch, drawing operation is after power supply point carries out the switch segments dying operation, can accurately analyze all dead electricity switch segments and information such as distribution transforming that comprises and load thereof.
Because distribution automation system can be monitored the power-off event of generation automatically, could power-off event information of complete maintenance but also must carry out closed-loop process.Therefore the present invention be judged as send the electricity operation after; At first to inquire about the current power-off event that does not comprise current switches set switch in closed loop and the dead electricity switch segments that also; Check that it has a power failure the concluding time, do not safeguard the running time of then writing down current switches set switch if also; And simultaneously in time number during the power failure family, lack attribute such as delivery, realize that the real-time closed-loop of power-off event is handled.
Can guarantee the real time record of whole power-off events through this method, thereby for the accuracy of reliability statistics lays the foundation, for the reliability management decision-making provides support.
Description of drawings
Shown in Figure 1 is the whole steps flow chart synoptic diagram of the present invention;
Shown in Figure 2 is remote signalling displacement information monitoring schematic flow sheet in the step of the present invention (1);
Shown in Figure 3 is switch grouping schematic flow sheet in the step of the present invention (1);
Shown in Figure 4 is switches set action type estimation flow synoptic diagram in the step of the present invention (2);
Schematic flow sheet in the step of the present invention (3) switches set of the operation that has a power failure being carried out topological analysis and dyeing shown in Figure 5;
Shown in Figure 6 is power-off event closed loop schematic flow sheet in the step of the present invention (4);
Shown in Figure 7ly be the distribution ring network structure synoptic diagram in application examples of the present invention.
Embodiment
For making content of the present invention more obviously understandable, further specify below in conjunction with accompanying drawing and embodiment.
The preparatory control method of distribution reliability based on real-time topology of the present invention based on distribution automation system, comprises the part of path that identifies with ID more than 1 in the distribution automation system; Switch remote signalling information in each part of path inputs in the distribution automation system; In conjunction with Fig. 1, the preparatory control method of reliability of the present invention may further comprise the steps:
(1). monitor the switch remote signalling displacement information in each part of path in the distribution in real time; In conjunction with Fig. 3 the block switch that captures displacement information is divided into 1 above distribution switches set by circuit; Then each interconnection switch is integrated in the corresponding distribution switches set according to the electric island under it, simultaneously the major network isolating switch is integrated in the corresponding distribution switches set according to the electric island under the node of its distribution end;
(2). according to the switchtype and the mode of operation thereof of each switch in the switches set, assess the action type of every group of switch and still send the electricity operation for the operation that has a power failure; Step is as shown in Figure 4, comprising:
2.1). definition power failure possibility is X, and sending electric possibility is Y;
2.2). judge the action type of block switch, if be separate operation then X=X+1, if operate then Y=Y+1 for drawing;
2.3). judge the action type of interconnection switch, if be separate operation then Y=Y+1, if operate then X=X+1 for drawing;
2.3). the comprehensive size of X and Y relatively, if X greater than Y, what then the present group switch was realized is the operation that has a power failure, on the contrary then for sending electric the operation.
(3). to the switches set of the operation that has a power failure, carry out the whole network local topology from the distribution end of major network isolating switch, step is as shown in Figure 5, comprising:
(3.1) judge according to switchtype whether the distribution switch is arranged in the switches set; If not then according to major network switch topology whole piece circuit; Write down each switch segments; Promptly write down out all the switch segments objects on the circuit, comprise each switch segments by which switch is formed, which distribution transforming, information on load arranged in the switch segments; If the distribution switch arranged then, according to circuit ID inquiry major network switch, write down each switch segments more then according to distribution switch inquiry circuit ID;
(3.2) interconnection switch with major network switch, drawing operation is a power supply point, and each switch segments in the topological structure is carried out dying operation, judges whether switch segments is charged; Record dead electricity switch segments and power failure start time thereof, and the dead electricity switch segments comprises in the power failure scope distribution transforming and information on load;
(4). combine Fig. 6; To sending the switches set of electricity operation; Inquire about registered power-off event, from current also do not have closed loop and be in the switching line highway section of power failure state find corresponding power-off event to carry out closed-loop process, upgrade current switches set simultaneously and be recorded in the attribute information in the distribution automation system; Comprise number when having a power failure concluding time, family, lack delivery etc.; Concluding time that wherein has a power failure does, current switches set in the process that realizes the power-off event closed-loop process, the running time of last block switch.
In conjunction with Fig. 2, when in the step (1) power distribution network switch remote signalling displacement information being monitored in real time, scan capture is to remote signalling displacement information each time, and finally obtains between the switch object of remote signalling displacement, is provided with the stand-by period; The termination of stand-by period becomes number of switches with remote signalling and no longer is changed to foundation.
Shown in Figure 7ly be the distribution ring network structure in application examples of the present invention, A6, B6 are interconnection switch, and other are block switch.Above sea route becomes the I line and is example, if repair line highway section A3-A4, then need be with its operation that has a power failure, A4-A5 section user then changes confession by the offside circuit.Concrete yardman is operating as: draw back the A4 switch, the A6 switch that closes, draw back the A3 switch, at this moment, in dispatch automated system, certainly lead to tertiary switch remote signalling displacement information, comprise the direction of operating and the running time of switch; If after A3-A4 maintenance was accomplished, the user in this section need restore electricity, then likewise, scheduling operation is: the A4 switch that closes, draw back the A6 switch, the A3 switch that closes, direction of operating, running time that dispatch automated system automatically can same record switch.
According to the power-off event record flow process of step (1), at first find related switch remote signalling displacement information, the operation information of record switch A3, A4, A6 by the system monitoring process to step (4); Secondly can find out that A3, A4, A6 belong to same circuit, same electric island, so can be divided into same group of operating switch, i.e. transmission or not operation; Draw back A4, the A6 that closes, to draw back A3 obviously be the operation that has a power failure, the A4 that closes, draw back A6, the A3 that closes then is judged to be and send the electricity operation; For the operation that has a power failure; After carrying out all fronts topological analysis, obtain all switch segments objects: go up sea route and become I-A1, A1-A2, A2-A3, A3-A4, A4-A5, A5-A6, carry out power supply point dyeing again; Promptly go out wiretap and interconnection switch and can regard as power supply point; Dye according on off state, ultimate analysis can know that the dead electricity switch segments is the A3-A4 section again, and system will write down distribution transforming and the load condition in this section automatically; When sending the electricity operation; We find to exist in the not closed loop power-off event that switch A3, A4, A6 formerly write down; The running time of last block switch A3 that then will operate this moment is recorded as the concluding time that has a power failure, information such as number, scarce delivery during statistical computation power failure family.
Result verification: can find out through real running situation; Complete and the concrete switching manipulation incident of electric power feeding time of specifically stopping of power-off event equates; Distribution transforming in the power failure scope, load quantity, capacity are with true consistent; System has guaranteed real-time, the accuracy of power-off event attribute, facts have proved the validity of this invention.
The case of practical implementation described in the present invention is merely preferable case study on implementation of the present invention, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and modification, all should be as technological category of the present invention.

Claims (5)

1. the preparatory control method of distribution reliability based on real-time topology based on distribution automation system, comprises the part of path that identifies with ID more than 1 in the distribution automation system; Switch remote signalling information in each part of path inputs in the distribution automation system, it is characterized in that, may further comprise the steps:
Switch remote signalling displacement information in the monitoring distribution in real time in each part of path; Block switch to capturing displacement information is divided into 1 above distribution switches set by circuit; Then each interconnection switch is integrated in the corresponding distribution switches set according to the electric island under it, simultaneously the major network isolating switch is integrated in the corresponding distribution switches set according to the electric island under the node of its distribution end;
Based on the switchtype and the mode of operation thereof of each switch in the switches set, assess the action type of every group of switch and still send the electricity operation for the operation that has a power failure;
To the switches set of the operation that has a power failure, carry out the whole network local topology from the distribution end of major network isolating switch, comprise step:
(3.1) judge according to switchtype whether the distribution switch is arranged in the switches set, if not then, write down each switch segments according to major network switch topology whole piece circuit; If have then, according to circuit ID inquiry major network switch, write down each switch segments more then according to distribution switch inquiry circuit ID;
(3.2) interconnection switch with major network switch, drawing operation is a power supply point, and each switch segments in the topological structure is carried out dying operation; Record dead electricity switch segments and power failure start time thereof, and the dead electricity switch segments comprises in the power failure scope distribution transforming and information on load;
To sending the switches set of electricity operation; Inquire about registered power-off event; From current also do not have closed loop and be in the switching line highway section of power failure state find corresponding power-off event to carry out closed-loop process, upgrade current switches set simultaneously and be recorded in the attribute information in the distribution automation system.
2. the preparatory control method of distribution reliability based on real-time topology according to claim 1; It is characterized in that; When in the step (1) power distribution network switch remote signalling displacement information being monitored in real time; Scan capture arrives remote signalling displacement information each time, and finally obtains between the switch object of remote signalling displacement, is provided with the stand-by period; The termination of stand-by period becomes number of switches with remote signalling and no longer is changed to foundation.
3. the preparatory control method of distribution reliability based on real-time topology according to claim 1 is characterized in that the method for described in the step (2) action type of every group of switch being assessed comprises step:
2.1). definition power failure possibility is X, and sending electric possibility is Y;
2.2). judge the action type of block switch, if be separate operation then X=X+1, if operate then Y=Y+1 for drawing;
2.3). judge the action type of interconnection switch, if be separate operation then Y=Y+1, if operate then X=X+1 for drawing;
2.3). the comprehensive size of X and Y relatively, if X greater than Y, what then the present group switch was realized is the operation that has a power failure, on the contrary then for sending electric the operation.
4. the preparatory control method of distribution reliability based on real-time topology according to claim 1; It is characterized in that; After the closed-loop process, the current switches set attribute information that is updated in the distribution automation system comprises number when having a power failure concluding time, family, lacks delivery in the step (4).
5. the preparatory control method of distribution reliability based on real-time topology according to claim 4 is characterized in that, the said power failure concluding time does, current switches set in the process that realizes the power-off event closed-loop process, the running time of last block switch.
CN 201110339721 2011-11-01 2011-11-01 Real-time topology based precontrol method for reliability of distribution network Pending CN102368316A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110339721 CN102368316A (en) 2011-11-01 2011-11-01 Real-time topology based precontrol method for reliability of distribution network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110339721 CN102368316A (en) 2011-11-01 2011-11-01 Real-time topology based precontrol method for reliability of distribution network

Publications (1)

Publication Number Publication Date
CN102368316A true CN102368316A (en) 2012-03-07

Family

ID=45760878

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110339721 Pending CN102368316A (en) 2011-11-01 2011-11-01 Real-time topology based precontrol method for reliability of distribution network

Country Status (1)

Country Link
CN (1) CN102368316A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102590711A (en) * 2012-03-16 2012-07-18 山西省电力公司太原供电分公司 Method and device for determining power failure range
CN103324744A (en) * 2013-07-03 2013-09-25 国家电网公司 Topology search method based on distribution looped network automatic mapping
CN103944269A (en) * 2014-05-04 2014-07-23 国家电网公司 10-kV grid distribution line pre-operating method and system
CN103995227A (en) * 2014-05-14 2014-08-20 国家电网公司 Method for testing planning state of distribution network switch
CN104200392A (en) * 2014-08-15 2014-12-10 宁波天灵信息科技有限公司 Automatic prediction and evaluation method for power distribution reliability index of power distribution network
CN104636990A (en) * 2015-02-17 2015-05-20 国家电网公司 Method of real-time troubleshooting and early warning for shutdown reasons of power grid equipment based on N-1 principle
CN106960291A (en) * 2017-04-17 2017-07-18 中国南方电网有限责任公司 One kind, which has a power failure, influences user information acquiring method and device
WO2018090662A1 (en) * 2016-11-15 2018-05-24 国电南瑞科技股份有限公司 Displacement reason recognition method and apparatus for switchgear in power grid, and storage medium
CN109301822A (en) * 2018-10-29 2019-02-01 国电南瑞科技股份有限公司 A kind of master matches integrated accident recovery method of disposal and system
CN113328436A (en) * 2021-05-31 2021-08-31 广东电网有限责任公司 Statistical method and device for effective coverage of automatic switch
CN115622057A (en) * 2022-12-20 2023-01-17 成都交大光芒科技股份有限公司 Power supply scheduling system power supply topology analysis method and device and electronic equipment

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102590711A (en) * 2012-03-16 2012-07-18 山西省电力公司太原供电分公司 Method and device for determining power failure range
CN102590711B (en) * 2012-03-16 2014-12-31 山西省电力公司太原供电分公司 Method and device for determining power failure range
CN103324744A (en) * 2013-07-03 2013-09-25 国家电网公司 Topology search method based on distribution looped network automatic mapping
CN103324744B (en) * 2013-07-03 2016-09-28 国家电网公司 Topology search method based on distribution looped network automatic mapping
CN103944269A (en) * 2014-05-04 2014-07-23 国家电网公司 10-kV grid distribution line pre-operating method and system
CN103995227B (en) * 2014-05-14 2016-06-01 国家电网公司 The planned state test method of distribution switch
CN103995227A (en) * 2014-05-14 2014-08-20 国家电网公司 Method for testing planning state of distribution network switch
CN104200392A (en) * 2014-08-15 2014-12-10 宁波天灵信息科技有限公司 Automatic prediction and evaluation method for power distribution reliability index of power distribution network
CN104200392B (en) * 2014-08-15 2017-12-29 宁波天灵信息科技有限公司 A kind of automatic Prediction appraisal procedure of distribution network reliability index
CN104636990A (en) * 2015-02-17 2015-05-20 国家电网公司 Method of real-time troubleshooting and early warning for shutdown reasons of power grid equipment based on N-1 principle
CN104636990B (en) * 2015-02-17 2018-10-02 国家电网公司 Grid equipment stoppage in transit reason based on N-1 criterion is investigated in real time and method for early warning
WO2018090662A1 (en) * 2016-11-15 2018-05-24 国电南瑞科技股份有限公司 Displacement reason recognition method and apparatus for switchgear in power grid, and storage medium
CN106960291A (en) * 2017-04-17 2017-07-18 中国南方电网有限责任公司 One kind, which has a power failure, influences user information acquiring method and device
CN106960291B (en) * 2017-04-17 2018-04-13 中国南方电网有限责任公司 One kind, which has a power failure, influences user information acquiring method and device
CN109301822A (en) * 2018-10-29 2019-02-01 国电南瑞科技股份有限公司 A kind of master matches integrated accident recovery method of disposal and system
CN113328436A (en) * 2021-05-31 2021-08-31 广东电网有限责任公司 Statistical method and device for effective coverage of automatic switch
CN115622057A (en) * 2022-12-20 2023-01-17 成都交大光芒科技股份有限公司 Power supply scheduling system power supply topology analysis method and device and electronic equipment
CN115622057B (en) * 2022-12-20 2023-03-07 成都交大光芒科技股份有限公司 Power supply scheduling system power supply topology analysis method and device and electronic equipment

Similar Documents

Publication Publication Date Title
CN102368316A (en) Real-time topology based precontrol method for reliability of distribution network
CN106340968B (en) Integrated support system and method for power distribution network management and control
Li et al. Optimization model-based reliability assessment for distribution networks considering detailed placement of circuit breakers and switches
US10116165B2 (en) Powergrid operation and supervision system
CN110009525A (en) Power information acquisition system and application method
CN106990328A (en) The analysis of distribution repairing abnormal data, fault location system and method
CN107167704B (en) Power distribution network fault diagnosis system and method based on CIM model
CN104638764A (en) Intelligent state diagnosis and overhauling system for power distribution network equipment
CN107180314B (en) Operation and maintenance business model modeling method based on primary and secondary system incidence relation
CN105427039A (en) Efficient processing method of distribution network repair work orders based on responsibility areas
CN108448577A (en) Power distribution network power failure plan scheduling optimization method and device
CN109472476B (en) Power failure identification analysis method and system
CN113315222A (en) Intelligent substation automation equipment operation and maintenance management and control system suitable for electric power system
KR101278309B1 (en) Outage schedule management apparatus and method in ems
CN107767067A (en) Power distribution network management and running evaluation index system construction method based on big data
CN101267359A (en) Optical cable monitoring device
CN104977486A (en) Portable power distribution terminal tester
US20200117151A1 (en) Outage and switch management for a power grid system
CN103199521A (en) Power network planning construction method based on network reconstruction and optimized load-flow simulating calculation
CN101072130A (en) Network performance measuring method and system
CN114971588A (en) Work order automatic auditing and transmitting method and related device
CN105978140A (en) Information integrating method of power device
CN114841627A (en) Maintenance plan checking method, device, equipment and storage medium
CN109726880B (en) Power transmission line parameter rationality assessment method and system
CN107748672A (en) Secondary remote interface integrated management approach based on IEC61850 sites protection model

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: NARI TECHNOLOGY DEVELOPMENT CO., LTD. STATE ELECTR

Free format text: FORMER OWNER: NARI TECHNOLOGY DEVELOPMENT CO., LTD.

Effective date: 20130408

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20130408

Address after: Nanjing City, Jiangsu province 210019 Olympic Avenue No. 1

Applicant after: Nanjing Power Supply Co., Jiangsu Prov. Power Co.

Applicant after: NARI Technology Development Co., Ltd.

Applicant after: State Grid Corporation of China

Applicant after: Jiangsu Electric Power Company

Address before: Nanjing City, Jiangsu province 210019 Olympic Avenue No. 1

Applicant before: Nanjing Power Supply Co., Jiangsu Prov. Power Co.

Applicant before: NARI Technology Development Co., Ltd.

C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120307