CN108512217A - A kind of safe operation of electric network hidden danger intelligent identification Method - Google Patents

A kind of safe operation of electric network hidden danger intelligent identification Method Download PDF

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Publication number
CN108512217A
CN108512217A CN201810184735.2A CN201810184735A CN108512217A CN 108512217 A CN108512217 A CN 108512217A CN 201810184735 A CN201810184735 A CN 201810184735A CN 108512217 A CN108512217 A CN 108512217A
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China
Prior art keywords
security risk
hidden danger
substation
power grid
permission
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CN201810184735.2A
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CN108512217B (en
Inventor
李伟
周俊宇
陈晓彤
骆国铭
邹扬
杨英勃
钟童科
刘嘉逊
胡福金
吉宏锋
罗广锋
区智叶
温纪营
钟展文
莫祖森
亓玉国
苏炳洪
江学峰
黄雄浩
何引生
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Priority to CN201810184735.2A priority Critical patent/CN108512217B/en
Publication of CN108512217A publication Critical patent/CN108512217A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J13/0006
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/40Display of information, e.g. of data or controls

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

Abstract

The present invention relates to the technical fields of electric system power grid regulation; more specifically; it is related to a kind of safe operation of electric network hidden danger intelligent identification Method; establish security risk model library; the various factors such as comprehensive utilization history security risk information analyze operation of power networks situation in real time, and the security risks such as reclosing mistake, protection mismatch, prepared auto restart, stable mismatch for being obtained to analysis intelligently generate warning information;By acquiring and analyzing the remote signalling data of SCADA system in real time, the remote control rights state of substation is recorded, realizes that transformer substation remote-control permission timing intelligent is reminded;By to power grid depth topological analysis, realizing to the rational intelligent diagnostics of neutral grounding mode and prompting.The present invention can solve the problems such as power grid scale is difficult to analyze greatly, be had differences between regulation and control personnel, security risk is easily missed, and realize to the full scale of bulk power grid, all the period of time, security risk real time scan, intellectual analysis and be automatically reminded in all directions.

Description

A kind of safe operation of electric network hidden danger intelligent identification Method
Technical field
The present invention relates to the technical fields of electric system power grid regulation, hidden more particularly, to a kind of safe operation of electric network Suffer from intelligent identification Method.
Background technology
In recent years, since power grid scale is drastically expanded, it is in brand diversification that first and second equipment of power grid is overall, vdiverse in function Change, the trend that configuration complicates so that the cooperation of protection definite value and stability strategy requires higher and higher;And regulate and control operations staff Technical merit and form of thinking have differences so that hidden to safety such as reclosing mistake, protection mismatch, prepared auto restart, stable mismatches Suffer from the accuracy monitored and promptness difference;In addition regulation and control person works' amount is increasingly heavy, traditional power grid security hidden danger prison Control seems time-consuming and laborious by the mode of manual analysis, and certain security risks are even just found after accident event generation, sternly The promotion of power grid regulation operational safety level is constrained again.
Currently, dispatching and monitoring person is by record of relieving, Personal Skills are horizontal and working experience identifies security risk, succeed Dispatching and monitoring person great effort need to be spent for being familiar with operation of power networks state, screening operation monitoring " blind spot ", with upper value people Member joins and confirms hidden danger information etc..However, being screened to the whole network all devices by manual type, cover grid equipment number Amount is big, and brand is more, and the configuration of each plant equipment and parameter are variant, and dispatching and monitoring person depends on the analysis depth of security risk Personal Skills' experience level.Certain special method of operation duration are long, and dispatching and monitoring person needs to continue timing to associated safety Hidden danger implements concern, and is linked up by phone and relevant device leader and scene fortune inspection personnel, in addition present workload day Benefit increases, and is easy to cause related personnel and omits processing security risk, is also brought to the routine work for regulating and controlling operations staff larger Work load and Mental health problem.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind can realize for the full scale of bulk power grid, All the period of time, in all directions security risk real time scan, intellectual analysis and the safe operation of electric network hidden danger intelligent recognition side being automatically reminded to Method.
In order to solve the above technical problems, the technical solution adopted by the present invention is:
A kind of safe operation of electric network hidden danger intelligent identification Method is provided, is included the following steps:
S10. it obtains grid topology data in SCADA system in real time by data transmission interface, establishes safe operation of electric network hidden danger Intelligent identifying system;
S20. the security risk edit page of the intelligent identifying system increases security risk newly in step slo, for the safety Hidden danger sets Rule of judgment, and the security risk and its corresponding Rule of judgment are stored, and establishes power grid security hidden danger mould Type library;
S30. security risk all in power grid security hidden danger model library is traversed, and power grid is transported using history security risk information Row situation is analyzed in real time, and warning information is intelligently generated to the security risk that analysis obtains;
S40. transformer substation remote-control permission and conversion time database are established, to realize uninterrupted scanning full electric network substation It is remotely controlled permission, while establishing information intelligent and issuing function is reminded pointedly to issue security risk information to related personnel;It is described Permission includes permission in station and scheduling permission, and interior permission of standing or scheduling permission duration are time interval t;
S50. by the topological data of SCADA system and on off state data, from busbar, substation is found by topology The neutral ground disconnecting link or blocking device grounding switch of connection, it is whether abnormal according to interpretation of result neutral point is found.
The safe operation of electric network hidden danger intelligent identification Method of the present invention, solve power grid scale be difficult to analyze greatly, regulation and control personnel Between have differences, the problems such as security risk is easily missed, realize to the full scale of bulk power grid, all the period of time, security risk is real in all directions When scanning, intellectual analysis and be automatically reminded to;Intelligent knowledge can be carried out to particular safety hidden danger according to historical data and expertise Not;Permission is remotely controlled to plant stand simultaneously and the common security risk easily ignored of neutral grounding mode establishes corresponding identification mould Block finds and excludes in advance security risk by issuing security risk information automatically to related personnel.
Preferably, the Rule of judgment set in step S20 is selected from line switching closure, line switching disconnects, main transformer voltage It is more than or equal to setting value not equal to setting value, main transformer voltage equal to setting value, main transformer voltage, main transformer voltage is less than setting value, master Time variant voltage is less than or equal to one or more combinations of setting value.Multiple Rule of judgment can use with or merge.
Preferably, the process of security risk traverse scanning includes the following steps in step S30:
S31. all security risks stored in the power grid security hidden danger model library described in traversal step S20, according to safety The corresponding Rule of judgment of hidden danger obtains from SCADA system and the telemetry for judgement is needed to be judged;If Rule of judgment All meet, then goes to step S32;If Rule of judgment is not met, next security risk is traversed;
Whether the security risk that S32. Rule of judgment all meets in judgment step S30 is shown in power grid abnormality detection window and does not have Have and is handled:If not handled, which traverses next security risk;If the security risk is It is processed, then go to step S33;
S33. whether processed security risk is lasting security risk in judgment step S32:If so, the safety Vulnerability scan terminates, and traverses next security risk;If it is not, then generating warning information and being shown on power grid abnormality detection window; System platform is extracted into warning information in system from database by Hibernate technologies and JDBC technologies, then passes through MVC frames It is pushed to foreground, is presented on the browser of user finally by HTML5 technologies and CSS3 patterns packaging;
S34. judge whether that all security risks all have stepped through:If all having stepped through, terminate present scan;Conversely, then Next security risk is traversed to traversing all security risks.
Preferably, the remote control permission monitoring of step S40 carries out as follows:
S41. remote control rights state and the permission modification time that substation is recorded by obtaining the remote signalling data of SCADA system, with Judge the duration that transformer substation remote-control permission is gone in station;
S42. traversal all permissions are the plant stand in station:(1)Judge be remotely controlled permission switch to station in duration whether be more than Time interval t begins stepping through next substation if it is not, then stopping this traversal;If so, going to step(2);(2)Judge Whether the substation has transmission short message in time interval t:If not, the phone number for inquiring substation administration personnel is concurrent Send reminding short message;If so, going to step(3);Judge whether time interval t is more than for 24 hours, if so, generating warning information simultaneously Include in power grid exception monitoring frame by described information;If it is not, then going to step(4);(4)Judge whether all substations all Through traversal:If so, traversal terminates;If it is not, then beginning stepping through next substation;
S43. after traversing, on a web browser by the switching result displaying of processing remote control permission.
Preferably, the time interval t is 4h ~ 6h.Substation is recorded by obtaining major network SCADA system remote signalling data It is remotely controlled rights state.After the remote control permission of substation switches in station more than 4h ~ 6h, system will send short messages per 4h ~ 6h automatically The supervisor of inspection center personnel and the electric substation to the substation remind, until the remote control permission of the substation switches To scheduling.The operation in 5 minutes of this flow is primary, is realized using the storing process of Oracle.
Preferably, the neutral point anomaly analysis process in step S50 carries out as follows:
S51. busbar in substation is inserted into interim table, and traverses busbar all in interim table;
S52. it is found by the switchgear of closure and is connect with busbar from busbar by topological data and remote signalling data Our station main transformer;
S53. from main transformer, topology finds neutral ground disconnecting link or the blocking device ground connection for the closure being connect with main transformer Disconnecting link, and judge to find the neutral ground disconnecting link or blocking device grounding switch number of closure:If one and only one is closed The grounding switch or blocking device grounding switch of conjunction then to be normal, otherwise are abnormal;
S54. judge whether all busbares all have stepped through:If all busbares all have stepped through, traversal terminates;If there is mother Line does not traverse, then traverses next busbar, until all busbares are traversed;
S55. merge the same substation and topology arrives the busbar of identical main transformer, and interim table is transferred in formal table.
Based on topology theory, a set of transformer neutral point grounding safety hidden danger judgment method is established.By obtaining in real time Take the division state of the topological structure of power grid and equipment in SCADA system, all grounding mode of transformer neutral-point of Accurate Diagnosis, Solving transformer neutral point Analysis of Grounding, to be related to equipment more, and analysis is complicated, is easy the problem omitted.
Preferably, the security risk includes reclosing error, protection mismatch, prepared auto restart, stable mismatch and transformation Device neutral grounding mode is incorrect.These security risks will not directly result in accident event, but can be sent out in accident event Cause accident event to expand when raw, postpone the problems such as telegram in reply time, is easy to be adjusted the potential operation threat that personnel ignore.
Compared with prior art, the beneficial effects of the invention are as follows:
(1)Security risk model library is established, the comprehensive utilization various factors such as history security risk information and expertise are to power grid Operation conditions is analyzed in real time, and the safety such as reclosing mistake, protection mismatch, prepared auto restart, stable mismatch for being obtained to analysis is hidden Suffer from intelligence and generate warning information, easy to use, high opening so as to the recognition accuracy of security risk with security risk mould The increase of type is continuously improved.
(2)By acquiring and analyzing SCADA system remote signalling data in real time, the remote control rights state of substation is recorded, is realized Transformer substation remote-control permission timing intelligent is reminded, and permission switchback " distant place " will be remotely controlled by forgeing after preventing power transformation personnel on site from operating, and be led Scheduling is caused to lose equipment control ability, analysis efficiency is high, and information reminding is quick and precisely.
(3)By to power grid depth topological analysis, realizing to the rational intelligent diagnostics of neutral grounding mode and prompting, Anti- leak-stopping closes, the neutral point that closes leads to protection mismatch, tripping etc. of bypassing the immediate leadership more, is conducive to security risk and excludes rapidly.
Description of the drawings
Fig. 1 is the flow chart of the safe operation of electric network hidden danger intelligent identification Method of the present invention.
Fig. 2 is the flow chart of the security risk traverse scanning process of safe operation of electric network hidden danger intelligent identification Method.
Fig. 3 is the flow chart of the remote control permission monitoring process of safe operation of electric network hidden danger intelligent identification Method.
Fig. 4 is the flow chart of the neutral point anomaly analysis process of safe operation of electric network hidden danger intelligent identification Method.
Specific implementation mode
The present invention is further illustrated With reference to embodiment.Wherein, attached drawing only for illustration, What is indicated is only schematic diagram rather than pictorial diagram, should not be understood as the limitation to this patent;Reality in order to better illustrate the present invention Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product;To those skilled in the art For, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention;In retouching for the present invention In stating, it is to be understood that if it is based on attached drawing to have the orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right" Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore position relationship described in attached drawing Term only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can To understand the concrete meaning of above-mentioned term as the case may be.
Embodiment 1
It is as shown in Figures 1 to 4 the first embodiment of the safe operation of electric network hidden danger intelligent identification Method of the present invention, such as Fig. 1 institutes Show, safe operation of electric network hidden danger intelligent identification Method of the invention includes the following steps:
S10. it obtains grid topology data in SCADA system in real time by data transmission interface, establishes safe operation of electric network hidden danger Intelligent identifying system;
S20. the security risk edit page of the intelligent identifying system increases security risk newly in step slo, for the safety Hidden danger sets Rule of judgment, and the security risk and its corresponding Rule of judgment are stored, and establishes power grid security hidden danger mould Type library;
S30. security risk all in power grid security hidden danger model library is traversed, and power grid is transported using history security risk information Row situation is analyzed in real time, and warning information is intelligently generated to the security risk that analysis obtains;
S40. transformer substation remote-control permission and conversion time database are established, to realize uninterrupted scanning full electric network substation It is remotely controlled permission, while establishing information intelligent and issuing function is reminded pointedly to issue security risk information to related personnel;It is described Permission includes permission in station and scheduling permission, and interior permission of standing or scheduling permission duration are time interval t;
S50. by the topological data of SCADA system and on off state data, from busbar, substation is found by topology The neutral ground disconnecting link or blocking device grounding switch of connection, it is whether abnormal according to interpretation of result neutral point is found.
Wherein, the security risk includes reclosing error, protection mismatch, prepared auto restart, stable mismatch and transformer Neutral grounding mode is incorrect.The Rule of judgment set in step S20 is selected from line switching closure, line switching disconnects, main Time variant voltage is equal to setting value, main transformer voltage is more than or equal to setting value, main transformer voltage less than setting not equal to setting value, main transformer voltage Value, main transformer voltage are less than or equal to one or more combinations of setting value.
As shown in Fig. 2, the process of security risk traverse scanning includes the following steps in step S30:
S31. all security risks stored in the power grid security hidden danger model library described in traversal step S20, according to safety The corresponding Rule of judgment of hidden danger obtains from SCADA system and the telemetry for judgement is needed to be judged;If Rule of judgment All meet, then goes to step S32;If Rule of judgment is not met, next security risk is traversed;
Whether the security risk that S32. Rule of judgment all meets in judgment step S30 is shown in power grid abnormality detection window and does not have Have and is handled:If not handled, which traverses next security risk;If the security risk is It is processed, then go to step S33;
S33. whether processed security risk is lasting security risk in judgment step S32:If so, the safety Vulnerability scan terminates, and traverses next security risk;If it is not, then generating warning information and being shown on power grid abnormality detection window; System platform is extracted into warning information in system from database by Hibernate technologies and JDBC technologies, then passes through MVC frames It is pushed to foreground, is presented on the browser of user finally by HTML5 technologies and CSS3 patterns packaging;
S34. judge whether that all security risks all have stepped through:If all having stepped through, terminate present scan;Conversely, then Next security risk is traversed to traversing all security risks.
As shown in figure 3, the remote control permission monitoring of step S40 carries out as follows:
S41. remote control rights state and the permission modification time that substation is recorded by obtaining the remote signalling data of SCADA system, with Judge the duration that transformer substation remote-control permission is gone in station;
S42. traversal all permissions are the plant stand in station:(1)Judge be remotely controlled permission switch to station in duration whether be more than Time interval t begins stepping through next substation if it is not, then stopping this traversal;If so, going to step(2);(2)Judge Whether the substation has transmission short message in time interval t:If not, the phone number for inquiring substation administration personnel is concurrent Send reminding short message;If so, going to step(3);Judge whether time interval t is more than for 24 hours, if so, generating warning information simultaneously Include in power grid exception monitoring frame by described information;If it is not, then going to step(4);(4)Judge whether all substations all Through traversal:If so, traversal terminates;If it is not, then beginning stepping through next substation;
S43. after traversing, on a web browser by the switching result displaying of processing remote control permission.
Wherein, the time interval of the present embodiment is 6h, and substation is recorded by obtaining major network SCADA system remote signalling data It is remotely controlled rights state.It is more than when the remote control permission of substation switches in station6hAfterwards, system is sent short messages automatic per 6h to the change The inspection center personnel in power station and the supervisor of the electric substation remind, until the remote control permission of the substation switches to tune Degree.The operation in 5 minutes of this flow is primary, is realized using the storing process of Oracle.
As shown in figure 4, the neutral point anomaly analysis process in step S50 carries out as follows:
S51. busbar in substation is inserted into interim table, and traverses busbar all in interim table;
S52. pass through the switchgear searching of closure and busbar from busbar by topological data and remote signalling remote signalling data The our station main transformer of connection;
S53. from main transformer, topology finds neutral ground disconnecting link or the blocking device ground connection for the closure being connect with main transformer Disconnecting link, and judge to find the neutral ground disconnecting link or blocking device grounding switch number of closure:If one and only one is closed The grounding switch or blocking device grounding switch of conjunction then to be normal, otherwise are abnormal;
S54. judge whether all busbares all have stepped through:If all busbares all have stepped through, traversal terminates;If there is mother Line does not traverse, then traverses next busbar, until all busbares are traversed;
S55. merge the same substation and topology arrives the busbar of identical main transformer, and interim table is transferred in formal table.
By obtaining the division state of the topological structure of power grid and equipment in SCADA system, all changes of Accurate Diagnosis in real time Depressor neutral grounding mode, solving transformer neutral point Analysis of Grounding, to be related to equipment more, and analysis is complicated, is easy the difficulty omitted Topic.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention Protection domain within.

Claims (7)

1. a kind of safe operation of electric network hidden danger intelligent identification Method, which is characterized in that include the following steps:
S10. it obtains grid topology data in SCADA system in real time by data transmission interface, establishes safe operation of electric network hidden danger Intelligent identifying system;
S20. the security risk edit page of the intelligent identifying system increases security risk newly in step slo, for the safety Hidden danger sets Rule of judgment, and the security risk and its corresponding Rule of judgment are stored, and establishes power grid security hidden danger mould Type library;
S30. security risk all in power grid security hidden danger model library is traversed, and power grid is transported using history security risk information Row situation is analyzed in real time, and warning information is intelligently generated to the security risk that analysis obtains;
S40. transformer substation remote-control permission and conversion time database are established, to realize uninterrupted scanning full electric network substation It is remotely controlled permission, while establishing information intelligent and issuing function is reminded pointedly to issue security risk information to related personnel;It is described Permission includes permission in station and scheduling permission, and interior permission of standing or scheduling permission duration are time interval t;
S50. by the topological data of SCADA system and on off state data, from busbar, substation is found by topology The neutral ground disconnecting link or blocking device grounding switch of connection, it is whether abnormal according to interpretation of result neutral point is found.
2. safe operation of electric network hidden danger intelligent identification Method according to claim 1, which is characterized in that set in step S20 Fixed Rule of judgment, which is not equal to selected from line switching closure, line switching disconnection, main transformer voltage equal to setting value, main transformer voltage, to be set Definite value, main transformer voltage be more than or equal to setting value, main transformer voltage be less than setting value, main transformer voltage be less than or equal to setting value one kind or A variety of combinations.
3. safe operation of electric network hidden danger intelligent identification Method according to claim 1, which is characterized in that pacify in step S30 The process of full hidden danger traverse scanning includes the following steps:
S31. all security risks stored in the power grid security hidden danger model library described in traversal step S20, according to safety The corresponding Rule of judgment of hidden danger obtains from SCADA system and the telemetry for judgement is needed to be judged;If Rule of judgment All meet, then goes to step S32;If Rule of judgment is not met, next security risk is traversed;
Whether the security risk that S32. Rule of judgment all meets in judgment step S30 is shown in power grid abnormality detection window and does not have Have and is handled:If not handled, which traverses next security risk;If the security risk is It is processed, then go to step S33;
S33. whether processed security risk is lasting security risk in judgment step S32:If so, the safety Vulnerability scan terminates, and traverses next security risk;If it is not, then generating warning information and being shown on power grid abnormality detection window;
S34. judge whether that all security risks all have stepped through:If all having stepped through, terminate present scan;Conversely, then Next security risk is traversed to traversing all security risks.
4. safe operation of electric network hidden danger intelligent identification Method according to claim 1, which is characterized in that step S40's is distant Control permission monitoring carries out as follows:
S41. remote control rights state and the permission modification time that substation is recorded by obtaining the remote signalling data of SCADA system, with Judge the duration that transformer substation remote-control permission is gone in station;
S42. traversal all permissions are the plant stand in station:(1)Judge be remotely controlled permission switch to station in duration whether be more than Time interval t begins stepping through next substation if it is not, then stopping this traversal;If so, going to step(2);(2)Judge Whether the substation has transmission short message in time interval t:If not, the phone number for inquiring substation administration personnel is concurrent Send reminding short message;If so, going to step(3);Judge whether time interval t is more than for 24 hours, if so, generating warning information simultaneously Include in power grid exception monitoring frame by described information;If it is not, then going to step(4);(4)Judge whether all substations all Through traversal:If so, traversal terminates;If it is not, then beginning stepping through next substation;
S43. after traversing, on a web browser by the switching result displaying of processing remote control permission.
5. safe operation of electric network hidden danger intelligent identification Method according to claim 4, which is characterized in that the time interval T is 4h ~ 6h.
6. safe operation of electric network hidden danger intelligent identification Method according to claim 1, which is characterized in that in step S50 Neutral point anomaly analysis process carries out as follows:
S51. busbar in substation is inserted into interim table, and traverses busbar all in interim table;
S52. it is found by the switchgear of closure and is connect with busbar from busbar by topological data and remote signalling data Our station main transformer;
S53. from main transformer, topology finds neutral ground disconnecting link or the blocking device ground connection for the closure being connect with main transformer Disconnecting link, and judge to find the neutral ground disconnecting link or blocking device grounding switch number of closure:If one and only one is closed The grounding switch or blocking device grounding switch of conjunction then to be normal, otherwise are abnormal;
S54. judge whether all busbares all have stepped through:If all busbares all have stepped through, traversal terminates;If there is mother Line does not traverse, then traverses next busbar, until all busbares are traversed;
S55. merge the same substation and topology arrives the busbar of identical main transformer, and interim table is transferred in formal table.
7. safe operation of electric network hidden danger intelligent identification Method according to any one of claims 1 to 6, which is characterized in that institute The security risk stated includes reclosing error, protects mismatch, prepared auto restart, stable mismatch and grounding mode of transformer neutral-point not Correctly.
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Cited By (2)

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