CN103051494B - Method and system for comprehensive charged detection of power equipment - Google Patents
Method and system for comprehensive charged detection of power equipment Download PDFInfo
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Abstract
The invention belongs to the field of charged detection of a power system, which relates to a method and a system for charged detection of movable and comprehensive power equipment. The method is characterized by adopting a distributed deployment mode, enabling each movable terminal to independently complete charged detection test projects, gathering the charged detection test projects in a database by adopting various data access methods, matching a server side of a platform, and creating a charged detection data comprehensive analyzing network facing all power equipment of an administrated area and containing all the charged detection test projects. According to the system and the method disclosed by the invention, various data early-warning analyzing modes are adopted, a quantifiable judging method is provided for data early-warning information and early-warning reliability, the equipment operation condition is completely and comprehensively analyzed, and the providing of a reliable data basis for further locating the fault of the power equipment is ensured.
Description
Technical field
The invention belongs to electric power system live detection field, that relate to a kind of movement, comprehensive charged electric power apparatus detection method and system, particularly, the present invention relates to combination band electro-detection software platform and combination band electric-examination measuring car.
Background technology
Live detection technology has had the history of more than ten years in developed countries such as America and Europes, by equipment state evaluation, risk assessment, the technological means such as maintenance decision, take that power equipment is intensive, scientific management mode, assets life-cycle management is carried out to power equipment, achieve based on equipment reliability maintenance, merit-based risk maintenance, to the transformation of the maintenance model based on electric network reliability, conscientiously ensured the safety of power equipment.During 2008 Olympic Games, State Grid Corporation of China has introduced relevant live detection equipment, effective guarantee Olympic venue Electrical Safety; In recent years, national grid just carried out live detection work in pilot in drug in some provinces, chose typical transformer station and carried out the demonstration of on-the-spot live testing and demonstration, and organize employee to carry out technical training, put forth effort elevator belt electro-detection technical merit.
At present, electric network composition is comparatively complicated, and number of devices and type class constantly expand, and corresponding patrols and examines project, test method also constantly increases, and greatly strengthens the working strength of patrol officer.There is traditional routine inspection mode and expose open defect gradually, as many in human factor, workload is large, efficiency is low, management cost is high, the patrol record level of informatization is low, test apparatus is too much and partial properties is undesirable etc.Carry out live testing working face and face instrument and equipment relative distribution, test efficiency is low, the not high problems of intelligent level.In recent years, Southern Power Grid Company has obtained larger development in hotline maintenance, particularly the project such as infrared live detection project, Partial Discharge Detection project, have accumulated a large amount of Site Detection data and diagnostic experiences, has possessed the basis of carrying out electric power apparatus integrated hotline maintenance technology.In order to support carrying out smoothly of combination band electro-detection work, find that latency runs hidden danger, ensures equipment and power grid security reliability service, is necessary the research of accelerating how to set up efficient, motor-driven on-the-spot electrification detection system aspect early.
Nearly 2 years, existing a small amount of unit progressively started the Pilot project construction of live detection integrated system platform according to one's respective area live detection work characteristics at home.Because live detection equipment manufacturer is different, communication interface, detection mode, communications protocol different, electric power equipment on-site live detection workflow still disunity, " electric power apparatus integrated live detection method and system " can design integrated vehicle-mounted structure in the confined space, simplify test operation, build movable automatic, information-based work on the spot environment, remote data upload service is timely provided, can effectively elevator belt electrical testing operating technology level and managerial skills.
Summary of the invention
One of the object of the invention is to provide a kind of charged electric power apparatus detection method, the quantifiable determination methods that the method can propose data early warning information, early warning reliability, to equipment operating condition carry out perfect, comprehensively analyze, guarantee that carrying out further fault location to equipment provides authentic data foundation.
For realizing above goal of the invention, the invention provides a kind of charged electric power apparatus detection method, its detection method comprises the steps:
Step 1), system carry out user rs authentication:
When mobile client is in line states at every turn, all initiate user authentication application to server, ensure that client user's information is synchronous with upper system client-side information;
Particular user verification step is as follows:
Under step 11), line model, mobile client initiates user authentication application;
Step 12), service server end response application, is served by user authentication, the legitimacy of inspection user name and password and mobile terminal, and verifies whether this user possesses the authority logging in this server end;
After step 13), client receive success identity information, proper mobile terminal can the available service resource of invoking server, and the data synchronization service of authentication module invoking server end obtains user authentication information;
Step 14), notice authentication module is preserved user profile in this locality, can serve with server end, like this, can verify in this locality when user's off-line logs in next time;
Step 2), mobile client gets task: legal mobile subscriber, by data simultaneous module, upgrades live detection mission bit stream, gets current detection work, and client is called by tube module and applied for that client-side management is served, downloading task menu; Then following steps are performed:
(1) local workflow is entered, execution work task;
After mobile subscriber obtains task menu, can apply for disconnecting service, disconnect, enter local workflow; Carrying out live detection project according to the instruction of task menu item, gather and arrange live detection data, in data-handling procedure, as needed the resource of server end, can the application of duplicate customer authentication operation step 1) serve;
Concrete local operation step is as follows:
S31, data acquisition: user utilizes vehicle-mounted detecting instrument equipment to carry out live detection project, obtain the initial data source of different types, and its form and storage mode follow instrument and equipment producer relevant:
S32, data processing: standardization, format process are carried out to diversified data source, is converted into the characteristic quantity data characterizing status of electric power; Meanwhile, by characteristic amount associate device Detection task information, task to be examined information, local data base is deposited into; Detect data and be divided into the non-index of finger scalar sum two kinds, be respectively used to quantitatively or qualitative analysing device operating condition;
As direct by vehicular thermal infrared imager the data that gather stored in mobile terminal data storehouse, concrete grammar is as follows: thermal infrared imager equipment is directly fixed on the elevating lever in combination band electric-examination measuring car compartment, industrial computer accesses visible ray, infrared two-path video signal by video frequency collection card, and adopts 485 transmission to detect data;
Concrete operating process is:
(01), by program control elevating lever power at first, thermal infrared imager is stretched out outside sunroofs;
(02), treat that elevating lever starts the image data that powers on after putting in place;
(03), in gatherer process, thermal infrared imager host computer procedure reads power equipment tree information, mission bit stream from local data base, user checks infrared picture each point temperature value by mouse, and by the corresponding relation of data and data and tested equipment, task symbol by 485 buses stored in back-end data table;
(04), complete measurement after, by program control, The Cloud Terrace is reset to initial position, turns off The Cloud Terrace and camera power supply afterwards, terminate measure and be elevated reset;
As detected data, by testing result stored in back-end data for standardized equipment;
Other device types all can provide informative result data, and local data base is according to different test item design data sheet, and by 485, test item result is mapped in back-end data table in one of interior mode by RS232, USB;
S33, early warning: with tested equipment for analytic target, merge the multi-specialized live detection result data that this device object is relevant, total score desorption device operating condition, exports early warning information; Have equipment health factor in early warning information, early warning amount, difference analysis judge three parts, wherein:
Equipment health factor=1-anomaly item quantity/ examined project sum;
Early warning amount illustrates, comprises information and degradation that warning index amount is described;
Degradation=testing result-threshold value/threshold value;
Difference analysis is judged as the conclusion that user participates in, and shows as the character express explanation of early warning situation;
S34, intelligent diagnostics: according to early warning information, alternative analysis data, comprehensively go out early warning handling suggestion; Data interaction can be carried out as required, application enquiry of historical data, functional module with service server end;
Functional module is used for analysis and early warning project confidence level, preliminary judgment device health status; Concrete, adopt SVMs computational methods, simulate the optimal classification function of equipment state, principle is described as follows: select that equipment is normal, device parameter collection under abnormal conditions is as characteristic value sample set, and sample set sampling with equal probability is divided into classification samples and training sample, by inner product calculating, inseparable low-dimensional sample is mapped directly to higher dimensional space and form separable normal, abnormal two classified sample sets, and draw classifying face collection of functions; Calculated the classifying face making error in classification minimum by training set, be optimal classification surface;
In test process, by the characteristic value information of Condition Detection and the distance relation of optimal classification surface, to judge that normal or unusual service condition appear in Devices to test, comprehensively draw live detection conclusion, for assessment apparatus health status provides reference frame;
S35, transfer of data
After local data has merged, local administrator provides live detection report the test; In addition, local user can apply for link, by data or report upload to business datum service end, realizes the tidal data recovering of mobile client;
Step 3), disconnection are served, are disconnected, and completion system workflow, exits software systems;
The data of service server end are regularly periodically synchronized in electric power system production management system database by step 4), access service agency, realize business datum and finally access PMS system.
The inventive method, for add off-line mode online, is mobile terminal online and connects business service end in real time, operates all directly to the mode of operation that business service end sends request each time, and this pattern is applicable to the good environment of network condition; Off-line is exactly disposablely to upload, download job information, and then in the course of work, the not working method of Connection Service.
Two of object of the present invention is to provide that a kind of testing process is clear, the electric power apparatus integrated electrification detection system of data management specification, build the data exchange channels of substation field and distant place production management system, by field data wireless access private network for electric power, on-the-spot standardization, informationization, visual business datum, provide live detection business datum to support for realizing comprehensive assessment checkout equipment operating condition.
To achieve these goals, the technical solution used in the present invention is: electric power apparatus integrated electrification detection system, its system is according to Distributed Design thought, follow W3C Web Service framework, adopt service issue-discovery-access mechanism, build service server end and combination band electro-detection special-purpose vehicle mobile terminal secondary distributed system; Concrete the comprising of software platform: business datum center, office side, mobile service service platform software, SSL/IPSec vpn gateway; Mobile terminal specifically comprises: combination band electric-examination measuring car, client software, 3G data access module.
The present invention adopts distributed deployment mode, make each mobile terminal can to complete independently live detection test event, and adopt several data cut-in method to be pooled to database, with the server end of platform to coordinating, setting up one and analyzing net towards institute's all power equipments in area under one's jurisdiction, the live detection aggregation of data of containing whole live detection projects.This system and method adopts several data early warning analysis mode, to the quantifiable determination methods that data early warning information, early warning reliability propose, to equipment operating condition carry out perfect, comprehensively analyze, guarantee that carrying out further fault location to equipment provides authentic data foundation.
Accompanying drawing explanation
Accompanying drawing 1: system logic block diagram;
Accompanying drawing 2: system main flow chart;
Accompanying drawing 3: local workflow diagram;
Accompanying drawing 4: thermal infrared imager workflow.
Embodiment
As Fig. 1-Fig. 4, a kind of charged electric power apparatus detection method of the embodiment of the present invention, its detection method comprises the steps:
Step 1), system carry out user rs authentication:
When mobile client is in line states at every turn, all initiate user authentication application to server, ensure that client user's information is synchronous with upper system client-side information;
Particular user verification step is as follows:
Under step 11), line model, mobile client initiates user authentication application;
Step 12), service server end response application, is served by user authentication, the legitimacy of inspection user name and password and mobile terminal, and verifies whether this user possesses the authority logging in this server end;
After step 13), client receive success identity information, proper mobile terminal can the available service resource of invoking server.The data synchronization service of authentication module invoking server end obtains user authentication information;
Step 14), notice authentication module is preserved user profile in this locality, can serve with server end.Like this, can verify in this locality when user's off-line logs in next time.
Step 2), mobile client gets task: legal mobile subscriber, by data simultaneous module, upgrades live detection mission bit stream, gets current detection work, and client is called by tube module and applied for that client-side management is served, downloading task menu; Then following steps are performed:
(2) local workflow is entered, execution work task;
After mobile subscriber obtains task menu, can apply for disconnecting service, disconnect, enter local workflow.Carry out live detection project according to the instruction of task menu item, gather and arrange live detection data.In data-handling procedure, as needed the resource of server end, can duplicate customer authentication operation (1) application serve;
Concrete local operation step is as follows:
S31, data acquisition: user utilizes vehicle-mounted detecting instrument equipment to carry out live detection project, obtain the initial data source of different types, and its form and storage mode follow instrument and equipment producer relevant:
S32, data processing: standardization, format process are carried out to diversified data source, is converted into the characteristic quantity data characterizing status of electric power; Meanwhile, by characteristic amount associate device Detection task information, task to be examined information, local data base is deposited into; Detect data and be divided into the non-index of finger scalar sum two kinds, be respectively used to quantitatively or qualitative analysing device operating condition;
As direct by vehicular thermal infrared imager the data that gather stored in mobile terminal data storehouse, concrete grammar is as follows: thermal infrared imager equipment is directly fixed on the elevating lever in combination band electric-examination measuring car compartment, industrial computer accesses visible ray, infrared two-path video signal by video frequency collection card, and adopts 485 transmission to detect data;
Concrete operating process is:
(01) powered at first by program control elevating lever, thermal infrared imager is stretched out outside sunroofs;
(02) treat that elevating lever starts the image data that powers on after putting in place;
(03) in gatherer process, thermal infrared imager host computer procedure reads power equipment tree information, mission bit stream from local data base, user checks infrared picture each point temperature value by mouse, and by the corresponding relation of data and data and tested equipment, task symbol by 485 buses stored in back-end data table;
(04) after completing measurement, by program control, The Cloud Terrace is reset to initial position, turns off The Cloud Terrace and camera power supply afterwards, terminate measure and be elevated reset;
As detected data, by testing result stored in back-end data for standardized equipment;
Other device types all can provide informative result data, and local data base is according to different test item design data sheet, and by 485, test item result is mapped in back-end data table in one of interior mode by RS232, USB;
S33, early warning: with tested equipment for analytic target, merge the multi-specialized live detection result data that this device object is relevant, total score desorption device operating condition, exports early warning information; Have equipment health factor in early warning information, early warning amount, difference analysis judge three parts, wherein:
Equipment health factor=1-anomaly item quantity/ examined project sum;
Early warning amount illustrates, comprises information and degradation that warning index amount is described.Degradation=testing result-threshold value/threshold value;
Difference analysis is judged as the conclusion that user participates in, and shows as the character express explanation of early warning situation;
S34, intelligent diagnostics: according to early warning information, alternative analysis data, comprehensively go out early warning handling suggestion; Data interaction can be carried out as required, application enquiry of historical data, functional module with service server end;
Functional module is used for analysis and early warning project confidence level, preliminary judgment device health status; Concrete, adopt SVMs computational methods, simulate the optimal classification function of equipment state, principle is described as follows: select that equipment is normal, device parameter collection under abnormal conditions is as characteristic value sample set, and sample set sampling with equal probability is divided into classification samples and training sample, by inner product calculating, inseparable low-dimensional sample is mapped directly to higher dimensional space and form separable normal, abnormal two classified sample sets, and draw classifying face collection of functions; Calculated the classifying face making error in classification minimum by training set, be optimal classification surface;
In test process, by the characteristic value information of Condition Detection and the distance relation of optimal classification surface, to judge that normal or unusual service condition appear in Devices to test, comprehensively draw live detection conclusion, for assessment apparatus health status provides reference frame;
S35, transfer of data
After local data has merged, local administrator provides live detection report the test; In addition, local user can apply for link, by data or report upload to business datum service end, realizes the tidal data recovering of mobile client;
Step 3), disconnection are served, are disconnected, and completion system workflow, exits software systems;
The data of service server end are regularly periodically synchronized in electric power system production management system database by step 4), access service agency, realize business datum and finally access PMS system.
The inventive method, for add off-line mode online, is mobile terminal online and connects business service end in real time, operates all directly to the mode of operation that business service end sends request each time, and this pattern is applicable to the good environment of network condition; Off-line is exactly disposablely to upload, download job information, and then in the course of work, the not working method of Connection Service.
The electric power apparatus integrated electrification detection system of the present invention, its system is according to Distributed Design thought, follow W3C Web Service framework, adopt service issue-discovery-access mechanism, build service server end and combination band electro-detection special-purpose vehicle mobile terminal secondary distributed system; Concrete the comprising of software platform: business datum center, office side, mobile service service platform software, SSL/IPSec vpn gateway; Mobile terminal specifically comprises: combination band electric-examination measuring car, client software, 3G data access module.
Above-mentioned service server end is deployed in electric power enterprise private network, wherein:
Business datum center, office side, for stores service end Back ground Information, detects data message etc.;
Mobile service service platform software, provides main Web Service Service Source, comprises user authentication service, time synchronized service, data synchronization service, client-side management service and superior system access service agency.The Mobile solution service interface of client may have access to front four kinds of services, realizes secure interactive that is on-the-spot and business datum center, office side;
SSL/IPSec vpn gateway, sets up the Secure isolation between mobile terminal and business datum center, office side, provides client certificate and access control, prevents the attack that data center suffers from long-range disabled user.
Combination band electro-detection special-purpose vehicle mobile terminal carries multiple checkout equipment and is integrated into multiple transformer station and carries out on-the-spot live detection work, wherein:
Combination band electric-examination measuring car, carry and carried out instrument needed for combination band electro-detection business and annex, mainly comprised: thermal infrared imager, ultraviolet corona visualizer, SF6 equipment leakage point infrared imaging detector, instrument for measuring partial discharge, earth current measuring instrument, relatively dielectric loss electrification detection system, MOA total current and testing current in resistance property instrument, Portable oil-gas analyzer, portable SF6 synthesis analyzer, oily dielectric loss measuring instrument.
Client software, possesses the data management function of toy data base, according to business datum feature not of the same race, devise the access function from instrument to client, carry out multiple expert data in local unified management, and pass through user authentication module, time synchronized module, data simultaneous module and client, by tube module, by the service interface of access to correspondence, realize the system synchronization of mobile client and service server end;
3G data access module, is realized 3G moved access electric power system private network by operator proprietary APN+ access authentication, the privately owned tunnel of L2TP, IPsec safety encipher technology, set up the data link between mobile platform.
The present invention adopts distributed deployment mode, make each mobile terminal can to complete independently live detection test event, and adopt several data cut-in method to be pooled to database, with the server end of platform to coordinating, setting up one and analyzing net towards institute's all power equipments in area under one's jurisdiction, the live detection aggregation of data of containing whole live detection projects.This system and method adopts several data early warning analysis mode, to the quantifiable determination methods that data early warning information, early warning reliability propose, to equipment operating condition carry out perfect, comprehensively analyze, guarantee that carrying out further fault location to equipment provides authentic data foundation.
Claims (1)
1. a charged electric power apparatus detection method, is characterized in that: its detection method comprises the steps:
Step 1), system carry out user rs authentication:
When mobile client is in line states at every turn, all initiate user authentication application to server, ensure that client user's information is synchronous with upper system client-side information;
Particular user verification step is as follows:
Under step 11), line model, mobile client initiates user authentication application;
Step 12), service server end response application, is served by user authentication, the legitimacy of inspection user name and password and mobile terminal, and verifies whether this user possesses the authority logging in this server end;
After step 13), client receive success identity information, proper mobile terminal can the available service resource of invoking server, and the data synchronization service of authentication module invoking server end obtains user authentication information;
Step 14), notice authentication module is preserved user profile in this locality, can serve with server end, like this, can verify in this locality when user's off-line logs in next time;
Step 2), mobile client gets task: legal mobile subscriber, by data simultaneous module, upgrades live detection mission bit stream, gets current detection work, and client is called by tube module and applied for that client-side management is served, downloading task menu;
Then following steps are performed:
(1) local workflow is entered, execution work task;
After mobile subscriber obtains task menu, application disconnects service, disconnects, enters local workflow; Carrying out live detection project according to the instruction of task menu item, gather and arrange live detection data, in data-handling procedure, as needed the resource of server end, can the application of duplicate customer authentication operation step 1) serve;
Concrete local operation step is as follows:
S31, data acquisition: user utilizes vehicle-mounted detecting instrument equipment to carry out live detection project, obtain the former of different types
Beginning data source, its form and storage mode follow instrument and equipment producer relevant;
S32, data processing: standardization, format process are carried out to diversified data source, is converted into the characteristic quantity data characterizing status of electric power; Meanwhile, by characteristic amount associate device Detection task information, task to be examined information, local data base is deposited into; Detect data and be divided into the non-index of finger scalar sum two kinds, be respectively used to quantitatively or qualitative analysing device operating condition;
As direct by vehicular thermal infrared imager the data that gather stored in mobile terminal data storehouse, concrete grammar is as follows: thermal infrared imager equipment is directly fixed on the elevating lever in combination band electric-examination measuring car compartment, industrial computer accesses visible ray, infrared two-path video signal by video frequency collection card, and adopts 485 transmission to detect data;
Concrete operating process is:
(01), by program control elevating lever power at first, thermal infrared imager is stretched out outside sunroofs;
(02), treat that elevating lever starts the image data that powers on after putting in place;
(03), in gatherer process, thermal infrared imager host computer procedure reads power equipment tree information, mission bit stream from local data base, user checks infrared picture each point temperature value by mouse, and by the corresponding relation of data and data and tested equipment, task symbol by 485 buses stored in back-end data table;
(04), complete measurement after, by program control, The Cloud Terrace is reset to initial position, turns off The Cloud Terrace and camera power supply afterwards, terminate measure and be elevated reset;
As detected data, by testing result stored in back-end data for standardized equipment;
Other device types all can provide informative result data, and local data base is according to different test item design data sheet, and by 485, test item result is mapped in back-end data table in one of interior mode by RS232, USB;
S33, early warning: with tested equipment for analytic target, merge the multi-specialized live detection result data that this device object is relevant, total score desorption device operating condition, exports early warning information; Have equipment health factor in early warning information, early warning amount, difference analysis judge three parts, wherein:
Equipment health factor=1-anomaly item quantity/ examined project sum;
Early warning amount illustrates, comprises information and degradation that warning index amount is described;
Degradation=testing result-threshold value/threshold value;
Difference analysis is judged as the conclusion that user participates in, and shows as the character express explanation of early warning situation;
S34, intelligent diagnostics: according to early warning information, alternative analysis data, comprehensively go out early warning handling suggestion; Data interaction can be carried out as required, application enquiry of historical data, functional module with service server end;
Functional module is used for analysis and early warning project confidence level, preliminary judgment device health status; Concrete, adopt SVMs computational methods, simulate the optimal classification function of equipment state, principle is described as follows: select that equipment is normal, device parameter collection under abnormal conditions is as characteristic value sample set, and sample set sampling with equal probability is divided into classification samples and training sample, by inner product calculating, inseparable low-dimensional sample is mapped directly to higher dimensional space and form separable normal, abnormal two classified sample sets, and draw classifying face collection of functions; Calculated the classifying face making error in classification minimum by training set, be optimal classification surface;
In test process, by the characteristic value information of Condition Detection and the distance relation of optimal classification surface, to judge that normal or unusual service condition appear in Devices to test, comprehensively draw live detection conclusion, for assessment apparatus health status provides reference frame;
S35, transfer of data
After local data has merged, local administrator provides live detection report the test; In addition, local user can apply for link, by data or report upload to business datum service end, realizes the tidal data recovering of mobile client;
Step 3), disconnection are served, are disconnected, and completion system workflow, exits software systems;
The data of service server end are regularly periodically synchronized in electric power system production management system database by step 4), access service agency, realize business datum and finally access PMS system.
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| CN201210553830.8A CN103051494B (en) | 2012-12-19 | 2012-12-19 | Method and system for comprehensive charged detection of power equipment |
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