CN109657953A - Grounding net of transformer substation digital management system - Google Patents
Grounding net of transformer substation digital management system Download PDFInfo
- Publication number
- CN109657953A CN109657953A CN201811501634.XA CN201811501634A CN109657953A CN 109657953 A CN109657953 A CN 109657953A CN 201811501634 A CN201811501634 A CN 201811501634A CN 109657953 A CN109657953 A CN 109657953A
- Authority
- CN
- China
- Prior art keywords
- grounded screen
- information
- management system
- substation
- corrosion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005260 corrosion Methods 0.000 claims abstract description 77
- 230000007797 corrosion Effects 0.000 claims abstract description 77
- 238000003745 diagnosis Methods 0.000 claims abstract description 69
- 238000012360 testing method Methods 0.000 claims abstract description 56
- 238000012544 monitoring process Methods 0.000 claims abstract description 45
- 238000007405 data analysis Methods 0.000 claims abstract description 10
- 238000004364 calculation method Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 238000007726 management method Methods 0.000 claims description 164
- 238000001514 detection method Methods 0.000 claims description 20
- 238000004458 analytical method Methods 0.000 claims description 13
- 238000011156 evaluation Methods 0.000 claims description 13
- 238000012986 modification Methods 0.000 claims description 13
- 230000004048 modification Effects 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 11
- 230000036541 health Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 230000003862 health status Effects 0.000 claims description 6
- 238000013523 data management Methods 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000012217 deletion Methods 0.000 claims description 3
- 230000037430 deletion Effects 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 2
- 238000012795 verification Methods 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 1
- 239000013589 supplement Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06393—Score-carding, benchmarking or key performance indicator [KPI] analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/20—Administration of product repair or maintenance
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Landscapes
- Business, Economics & Management (AREA)
- Human Resources & Organizations (AREA)
- Engineering & Computer Science (AREA)
- Economics (AREA)
- Strategic Management (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Entrepreneurship & Innovation (AREA)
- Marketing (AREA)
- General Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- Tourism & Hospitality (AREA)
- Quality & Reliability (AREA)
- Operations Research (AREA)
- Development Economics (AREA)
- Game Theory and Decision Science (AREA)
- Health & Medical Sciences (AREA)
- Educational Administration (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- General Health & Medical Sciences (AREA)
- Primary Health Care (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a kind of grounding net of transformer substation digital management systems.The present invention includes substation information management system, ground connection information management system, testing staff's information management system, corrosion diagnosis of grounding grid system and the big subsystem of Historical Monitoring information management system five, the subsystem establishes connection with remote database server, specified page is accessed by browser and uploads measurement data, and the quick calculating of corrosion diagnosis is completed by remote calculation server；The information management for realizing user to substation, grounded screen and testing staff is combined with server by client, it is grounded the corrosion diagnosis and historical data analysis of net, final information system management, digital management and the visualized management for realizing substation and grounded screen, the operating status of grounded screen is grasped comprehensively, it realizes and the duration of ground net corrosion state is tracked and predicted, provide critical data supporting and decision-making foundation for its life prediction.
Description
Technical field
The invention belongs to grounding net of transformer substation management domain, especially a kind of grounding net of transformer substation digital management system.
Background technique
Grounding net of transformer substation is maintenance power system security reliability service, ensures the root of operations staff and electrical equipment safety
This guarantee and important measures.Galvanized steel ground grid is widely used in the substation in China, and the post-etching problem that puts into operation can also generate therewith.
The related patents for being related to substation management in the past are most of all just for relevant device or related personnel, manage structure more
It is single, it can only realize the monitoring and management of individual equipment；Remaining patent for being related to management method only only exists written again
On description, can not determine and actually implement effect.Therefore the digital management of grounding net of transformer substation lies substantially in blank at present
State lacks corresponding theoretical and platform and realizes scientific management, ground net corrosion condition diagnosing each time is caused to be intended only as
Isolated data saves, and can not be formed to a long-term follow of grounded screen operating status and assessment, virtually result in resource
Waste.This brings many inconvenience to the management of grounding net of transformer substation, while also bringing hidden danger to its safe and stable operation.
Summary of the invention
It is an object of the invention to for have a single function existing for existing grounding net of transformer substation information system management, interactivity compared with
The problems such as weak, provides a kind of grounding net of transformer substation digital management system, can easily manage different zones, no by the system
With the various ground connection pessimistic concurrency controls of substation, make administrator and user can be realized relevant information batch import, inquiry, modification,
Increase, delete, functions, the information exchange such as export are more convenient in batches.
To achieve the above object, The technical solution adopted by the invention is as follows: grounding net of transformer substation digital management system,
Including substation information management system, ground connection information management system, testing staff's information management system, corrosion diagnosis of grounding grid
System and the big subsystem of Historical Monitoring information management system five, the substation information management system is for realizing substation's letter
The record of breath and management, record and management of the ground connection information management system for realizing grounded screen information are described
Testing staff's information management system for realizing testing staff's information management, the corrosion diagnosis of grounding grid system for realizing
Corrosion diagnosis of grounding grid and result feedback, the Historical Monitoring information management system is for realizing grounded screen Historical Monitoring data
Management and historical data analysis；
Substation information management system is directly managed the grounded screen of substation and testing staff's information；Grounded screen is rotten
Diagnostic system is lost dependent on ground connection information management system, the ground connection pessimistic concurrency control only inputted in ground connection information management system
It just can be carried out corrosion diagnosis；Historical Monitoring information management system is by grounded screen information, corrosion diagnosis information and testing staff's information
Summarize, these comprehensive information carry out life prediction to grounded screen according to history detection data；
The subsystem establishes connection with remote database server, accesses specified page by browser and uploads measurement
Data are completed the quick calculating of corrosion diagnosis by remote calculation server；
The information management for realizing user to substation, grounded screen and testing staff is combined with server by client,
It is grounded the corrosion diagnosis and historical data analysis of net, the final information system management for realizing substation and grounded screen, digitlization
Management and visualized management, provide support for the tracking and prediction of grounded screen state.
The novelty of the present invention is the relevant informations such as high integration substation, grounded screen, operating personnel, and by they
Close connects, and provides the management system and management platform of a set of science, finally realizes to grounded screen operating status
A long-term follow and assessment, greatly saved resource, improved work efficiency.
Supplement as above-mentioned technical proposal, each subsystem be subdivided into client application module, user log-in block,
Server processing module and remote communication module, user log-in block realizes the verifying of user login information, according to different verifyings
Information assigns different administrative staff's difference administration authorities；Remote communication module mainly realizes instant messaging；Client application module
Realize user to the management of various information and ground terminal corrosion diagnosis and life prediction；Server processing module is mainly realized and is examined
The online cloud computing of disconnected information and the management and storage of each database.
Supplement as above-mentioned technical proposal, the substation information management system include:
1) substation's specifying information includes power transformation station name, building time, site, voltage class, area type, affiliated list
Position, remarks and drawing；
2) operation object is divided into domestic consumer's group and management user group, and management user group assigns whole permissions, ordinary user
Group assigning unit fraction limit；
3) substation's relevant information is with importing in batches, inquiry, modification, increase, deletion and batch the Export Option；
The workflow of substation information management system is as follows: can be real after user enters substation information management system
The inquiry and typing of existing substation information；The substation that inquiry there can be same alike result according to input information inquiry is clicked, if
There is no qualified substations to be then shown as empty；Otherwise all qualified substations of display, click the power transformation of display
Standing can modify to the substation information, deletes or export；Clicking typing can select to be manually entered information or fast
Fast import information.
Supplement as above-mentioned technical proposal, the ground connection information management system include:
1) grounded screen specifying information includes ground connection pessimistic concurrency control, model name, lateral number of nodes, longitudinal number of nodes, total node
Number, circuitry number, depth, grounding body quantity and remarks；
2) operation object is divided into domestic consumer's group and management user group, and management user group assigns whole permissions, ordinary user
Group assigning unit fraction limit；
3) grounded screen relevant information have ground connection pessimistic concurrency control import, inquiry, modification, increase, delete and the Export Option；
The workflow for being grounded information management system is as follows: can look into after user enters ground connection information management system
It askes and typing grounded screen information；Select input grounded screen information can then select to be automatically imported or be manually entered by prompt；Choosing
All grounded screens inputted under substation can then be retrieved by selecting inquiry grounded screen information, be prompted again if search result is sky
Input；Relevant grounded screen is selected, relative parameters setting can be edited, deleted and be exported or carried out to its information.
Supplement as above-mentioned technical proposal, testing staff's information management system include:
1) grounded screen testing staff specifying information includes ID number, name, gender, affiliated unit, professional level and telephone number；
2) operation object is divided into domestic consumer's group and management user group, and management user group assigns whole permissions, ordinary user
Group assigning unit fraction limit；
3) there is batch to import, inquire, modification, increase, delete for grounded screen testing staff relevant information and batch exports choosing
?；
The workflow of testing staff's information management system is as follows: energy after user enters testing staff's information management system
Enough realize the inquiry and addition of testing staff's information；It clicks inquiry and needs to input name or affiliated unit, meet if it does not exist
The personnel of condition are then shown as empty；Otherwise all qualified testing staff of display, click the testing staff of display, can modify
Or delete its information；Grounded screen testing staff's information can then be increased by clicking addition.
Supplement as above-mentioned technical proposal, the corrosion diagnosis of grounding grid system include:
1) condition diagnosing: client sends computation requests, determines computing object and calculation, and server calls a accordingly
Personal data library corresponding data and calculation procedure are completed to calculate analysis；It is calculated by the grounded screen impedance inverse problem based on polymorphic approximate solution
Method is made accurately diagnosis to the corrosion diagnosis state of grounded screen and is calculated, and obtained result both can be used as grounded screen single evaluation
Foundation, can also store grounding net of transformer substation digital management system, and accumulation is repeatedly used as the life prediction foundation of grounded screen；
2) result is fed back: calculated result is returned to client by server, and client draws table and figure according to calculated result
Shape realizes that the pictorialization of diagnostic result is shown, Real-time Feedback is calculated progress if calculating time length；Terminate basis in status assessment
Ground net corrosion degree encloses corresponding diagnosis and treatment advice；
The workflow of corrosion diagnosis of grounding grid system is as follows: defeated first after user enters corrosion diagnosis of grounding grid system
Enter the grounded screen that substation information selection needs to diagnose, then relevant parameter is set start diagnosis calculating, is taken if result convergence
Device calling related data of being engaged in generates diagnosis report；Mistake is returned if result does not restrain and prompts to reset parameter.
Supplement as above-mentioned technical proposal, the Historical Monitoring information management system include:
1) grounded screen Historical Monitoring data include measuring station title, detection grounded screen title and its model, inspector, detection
Time, the mode of connection, Injection Current, test result and remark information；
2) there is batch to import, inquiry, modify, increase, deleting for grounded screen Historical Monitoring relevant information, batch export is selected
?；
3) the grounded screen model library and its Historical Monitoring information of input management system are remembered according to corresponding algorithm and program
Record carries out historical data analysis, predicts its working condition and life expectancy, generates analysis result information；
The workflow of Historical Monitoring information management system is as follows: energy after user enters Historical Monitoring information management system
Enough to browse Historical Monitoring information below the page, Historical Monitoring information temporally Page sorting, what is monitored recently comes first page；
In addition to this power transformation station name and testing staff can also be inputted with query history monitoring information, for clear in webpage upper end as needed
The grounded screen Historical Monitoring information look at or inquired, edit-modify, which may be selected, in user to carry out big data calculating by server
Analysis generates assessment report.
The specific embodiment of supplement as above-mentioned technical proposal, grounded screen life prediction is as follows:
A) overall evaluation system of grounded screen health status is established
The heavy corrosion, slight erosion and conducting situation for comprehensively considering grounded screen, form the evaluation of estimate of extent of corrosion:
H in formula1=5, h2=1.5；
B) for each grounded screen, independent health account is established
To integrate corrosion index as foundation, the corrosion tendency of grounded screen is judged, grounded screen apparent for corrosion tendency,
It should reinforce carrying out corrosion diagnosis work, shorten detection cycle；Grounded screen slow for corrosion rate properly increases maintenance year
Limit guarantees that grounded screen diagnostic work is shot the arrow at the target；
C) fact basis is provided for the life appraisal of grounded screen using health account
In conjunction with grounded screen performance indicator and health status, the threshold value of grounded screen health index is determined；Pass through analysis grounding net
State influence factor, establish the assessment models of remaining life, predict the operation time limit of each grounded screen, instruct grounded screen detection and
Retrofit work.
Supplement as above-mentioned technical proposal is grounded net corrosion diagnosis by corrosion diagnosis of grounding grid system, service
Device runs corresponding program and carries out status assessment to grounded screen, under estimation flow:
User carries out fault diagnosis, the grounded screen testing number that server calls user uploads to grounded screen in client request
Grounded screen state is calculated according to by corresponding program；By diagnostic result archive management after diagnostic program end of run, number is then called
Status assessment is carried out to diagnosed grounded screen according to library grounded screen evaluation criterion combination diagnosis of program result, ultimately generates assessment report
It accuses.
Supplement as above-mentioned technical proposal, to enable users to more intuitively understand ground connection Running State, user is optional
It selects and it is as follows to be particularly shown process: server calls, which are surveyed, is shown to the grounded screen progress diagnostic result pictorialization for having diagnosed completion
Data and grounded screen drawing and model are measured, according to diagnostic result, by circuitry number, design resistance value, diagnosis resistance value and corrosion journey
Degree is shown in a tabular form；Grounded screen depth and topology data are called, using electrical impedance imaging algorithm for inversion, based on diagnosis knot
Fruit drawing three-dimensional image carries out three-dimensional result to grounded screen branch and shows, is finally reached concrete image and understands grounded screen state
Purpose.
It is may be implemented through the invention to substation information, grounded screen information, the digitlization of tester's information, visualization
Management strengthens the interactivity of more aspect, understands and processing relevant information in time convenient for administrative staff, greatly reduces work
Amount reduces grounded screen crash analysis, processing and feeds back the required time, reduces human resources consumption, improve working efficiency.This hair
Bright that each related counties and districts kiowatt is enable quickly to receive grounded screen accident information at the first time, timely establishment officer carries out at scene
Reason；City-level power supply company administrative staff can in time, quickly, easily obtain the related grounded screen accident of Digitalized management platform
Information is handled, can effectively promote the completion rate of accident treatment, present system puts into operation, can promote related ground net thing
Therefore processing completion rate at least 80% or more.
Compared with prior art, the device have the advantages that are as follows: (1) realize substation and grounded screen message digit
Change, visualized management and immediate inquiring, editor etc.；(2) grounding net of transformer substation information is integrated, realizes substation grounding
The real-time query of net information, greatly improves working efficiency；(3) it realizes online query and edits the function of patrol record,
Grasp grounded screen situation immediately convenient for administrative staff to formulate optimal patrol plan；(4) it is assigned using the mode of debarkation authentication
The corresponding permission of different personnel is given, system is safer；(5) by server combined with client in the way of, Ke Yishi
Present line corrosion diagnosis of grounding grid calculates, and Real-time Feedback calculated result；(6) grounded screen history detection recording integrating is got up,
The functions such as grounded screen life prediction and prediction of working condition may be implemented by corresponding algorithm.
Detailed description of the invention
Fig. 1 is grounding net of transformer substation digital management system of the present invention composition figure；
Fig. 2 is the work flow diagram of substation information management system of the present invention；
Fig. 3 is the work flow diagram of present invention ground connection information management system；
Fig. 4 is the work flow diagram of testing staff's information management system of the present invention；
Fig. 5 is the work flow diagram of corrosion diagnosis of grounding grid system of the present invention；
Fig. 6 is the work flow diagram of Historical Monitoring information management system of the present invention；
Fig. 7 is the big subsystem connection figure of the present invention five；
Fig. 8 is grounded screen state estimation flow figure of the present invention；
Fig. 9 is diagnostic result pictorialization flow for displaying figure of the present invention；
Figure 10 is use case map of the present invention.
Specific embodiment
To make those of ordinary skill in the art fully understand technical solution of the present invention and beneficial effect, below in conjunction with specific
Examples and drawings are further described, but following implementations do not constitute any restriction to the present invention.
In order to which the etch state to grounded screen is effectively diagnosed, while long-term tracking is carried out to the performance of grounded screen
And effective assessment prediction, the present invention propose the three-dimensional imaging and digital management assessment system of a set of grounding net of transformer substation, this hair
Bright innovation is substation information, grounded screen information and operating personnel's information high integration strengthening substation's phase
Close the close ties of information.And the management system, management method and management platform of a set of science are provided for these information, make
They are progressive and interrelated, and staff is made to be able to achieve the overall monitor to substation information, timely feedback problem, pole
It is big to improve working efficiency.The system can intuitively reflect the etch state of grounded screen；Simultaneously by grounded screen information and its corruption
It loses diagnostic message and carries out digital management, grasp the operating status of grounded screen comprehensively, realization continues ground net corrosion state
Property tracking and prediction, provide critical data supporting and decision-making foundation for its life prediction.
A kind of grounding net of transformer substation digital management system as shown in Figure 1, including substation information management system, ground connection
Information management system, testing staff's information management system, corrosion diagnosis of grounding grid system and Historical Monitoring information management system
Deng five big subsystems.
Substation information management system mainly realizes record and the management of substation information, and particular content is as follows:
1) substation's specifying information includes power transformation station name, building time, site, voltage class, and area type is described
Office, remarks and drawing etc.；
2) operation object is divided into domestic consumer's group and management user group, and management user group assigns whole permissions, ordinary user
Group assigning unit fraction limit；
3) options such as substation's relevant information should have batch to import, inquire, modification, increases, deletes, batch exports.
The workflow of substation information management system such as Fig. 2, can after user enters substation information management system
Realize the inquiry and typing of substation information.The substation that inquiry there can be same alike result according to input information inquiry is clicked,
Qualified substation is then shown as empty if it does not exist；Otherwise all qualified substations of display, click the change of display
Power station can modify to the substation information, delete or export；Click typing can select to be manually entered information or
Quickly introduce information.
Ground connection information management system is mainly grounded record and the management of net information, and particular content is as follows:
1) grounded screen specifying information includes ground connection pessimistic concurrency control, model name, lateral number of nodes, longitudinal number of nodes, total node
Number, circuitry number, depth, grounding body quantity, remarks etc.；
2) operation object is divided into domestic consumer's group and management user group, and management user group assigns whole permissions, ordinary user
Group assigning unit fraction limit；
3) grounded screen relevant information should have ground connection pessimistic concurrency control import, inquiry, modification, increase, delete, export etc. options.
It is grounded workflow such as Fig. 3 of information management system, it can after user enters ground connection information management system
Inquiry and typing grounded screen information.Select input grounded screen information can then select to be automatically imported or be manually entered by prompt；
Selection inquiry grounded screen information can then retrieve all grounded screens under input substation, prompt weight if search result is sky
New input；Relevant grounded screen is selected, relative parameters setting can be edited, deleted and be exported or carried out to its information.
Testing staff's information management system mainly realizes the information management of testing staff's information, and particular content is as follows:
1) grounded screen testing staff specifying information includes ID number, name, gender, affiliated unit, professional level and telephone number；
2) operation object is divided into domestic consumer's group and management user group, and management user group assigns whole permissions, ordinary user
Group assigning unit fraction limit；
3) choosings such as there is batch to import, inquire, modification, increase, delete for grounded screen testing staff relevant information, batch exports
?.
Workflow such as Fig. 4 of grounded screen testing staff's information management system, when user enters testing staff's information management
It can be realized the inquiry and addition of testing staff's information after system.It clicks inquiry and needs to input name or affiliated unit, if not
There are qualified personnel to be then shown as empty；Otherwise all qualified testing staff of display, click the detection people of display
Member, can modify or delete its information；Grounded screen testing staff's information can then be increased by clicking addition, wherein name, unit and electricity
Words are Mandatory fields.
Corrosion diagnosis of grounding grid system mainly realizes that particular content is such as to corrosion diagnosis and the result feedback of grounded screen
Under:
1) condition diagnosing: client sends computation requests, determines computing object and calculation, and server calls a accordingly
Personal data library corresponding data and calculation procedure are completed to calculate analysis.Diagnosis calculating is the core function of whole system, it is connection
The bridge of system and device data and system software result.It is docked by the grounded screen impedance inverse problem algorithm based on polymorphic approximate solution
The corrosion diagnosis state of earth mat is made accurately diagnosis and is calculated, and obtained result both can be used as the foundation of grounded screen single evaluation,
Grounded screen digital management system can also be stored, accumulation is repeatedly used as the life prediction foundation of grounded screen.
2) result is fed back: calculated result is returned to client by cloud computing by server, and client is drawn according to calculated result
The pictorialization of tabulation lattice and image hotpoint diagnostic result is shown, Real-time Feedback is calculated progress if calculating time length.It is commented in state
End is estimated according to ground net corrosion degree, encloses corresponding diagnosis and treatment advice.
The workflow of corrosion diagnosis of grounding grid system such as Fig. 5, after user enters corrosion diagnosis of grounding grid system first
The grounded screen that input substation information selection needs to diagnose, then setting relevant parameter starts to diagnose and calculate, if result convergence
Server calls related data generates diagnosis report.Mistake is returned if result does not restrain and prompts to reset parameter.
Grounded screen Historical Monitoring information management system is mainly grounded the data management of net Historical Monitoring and historical data point
Analysis, particular content are as follows:
1) grounded screen monitoring data specifically include detection station name, detect grounded screen title and its model, inspector, detection
Time, the mode of connection, Injection Current, test result and remark information etc.；
2) choosings such as there is batch to import, inquire, modification, increase, delete for grounded screen Historical Monitoring relevant information, batch exports
?；
3) the grounded screen model library and its Historical Monitoring information of input management system are remembered according to corresponding algorithm and program
Record carries out historical data analysis, predicts its working condition and life expectancy, generates analysis result information.
Grounded screen life prediction specific embodiment is as follows:
A) overall evaluation system of grounded screen health status is established.
The heavy corrosion, slight erosion and conducting situation for comprehensively considering grounded screen, form the evaluation of estimate of extent of corrosion:
H1=5 in formula, h2=1.5.
B) for each grounded screen, independent health account is established.
To integrate corrosion index as foundation, the corrosion tendency of grounded screen is judged, to be significantly grounded for corrosion tendency
Net should be reinforced carrying out corrosion diagnosis work, shorten detection cycle；Grounded screen slow for corrosion rate, can suitably mention
The height maintenance time limit, guarantees that grounded screen diagnostic work is shot the arrow at the target.
C) fact basis can be provided for the life appraisal of grounded screen using health account.
In conjunction with grounded screen performance indicator and health status, the threshold value of grounded screen health index is determined.Pass through analysis grounding net
State influence factor, establish the assessment models of remaining life, predict the operation time limit of each grounded screen, instruct grounded screen detection and
Retrofit work.
Historical Monitoring information management system specific workflow such as Fig. 6, when user enters Historical Monitoring information management system
After can browse Historical Monitoring information below the page, Historical Monitoring information temporally Page sorting, that detects recently comes
One page；Power transformation station name and testing staff can also be inputted in webpage upper end as needed with query history monitoring information in addition to this,
For the grounded screen Historical Monitoring information for browsing or inquiring, edit-modify, which may be selected, in user can also carry out counting greatly by server
It is analyzed according to calculating, generates assessment report.
The big subsystem of the five of grounding net of transformer substation Digitalized management platform is to interdepend, complementary.Their pass
System such as Fig. 7.The management of grounded screen and testing staff is divided by substation, i.e., can be straight from substation information management system
It connects and the grounded screen and testing staff's information of the substation is managed.And corrosion diagnosis of grounding grid system is believed dependent on grounded screen
Management system is ceased, the ground connection pessimistic concurrency control only inputted in ground connection information management system could carry out corrosion diagnosis.Final
Grounded screen Historical Monitoring information management system is then that grounded screen information, corrosion diagnosis information, testing staff's information summarize, comprehensive
These information can carry out life prediction to grounded screen according to history detection data.
User can by substation information management system inquire power transformation station name, building time, site, voltage class,
Area type, the office, remarks and drawing etc., and the differences such as editor, importing, export can be achieved according to the difference for being endowed permission
Operation；By be grounded information management system can inquire and editing authority in ground connection pessimistic concurrency control and grounded screen drawing；Pass through
Testing staff's information management system can assign its corresponding management permission with typing and modification testing staff's information, administrator；It is logical
It crosses corrosion diagnosis of grounding grid system and is grounded net corrosion diagnosis, server runs corresponding program and comments grounded screen progress state
Estimate, estimation flow such as Fig. 8.
User carries out fault diagnosis, the grounded screen testing number that server calls user uploads to grounded screen in client request
Grounded screen state is calculated according to by corresponding program.By diagnostic result archive management after diagnostic program end of run, number is then called
Status assessment is carried out to diagnosed grounded screen according to library grounded screen evaluation criterion combination diagnosis of program result, ultimately generates assessment report
It accuses.In order to enable users to be understood more intuitively ground connection Running State, user may be selected to diagnosed the grounded screen of completion into
Row diagnostic result pictorialization is shown, is particularly shown process such as Fig. 9.Server calls measurement data (electric current, voltage, resistance etc.) and
Circuitry number is designed resistance value according to diagnostic result, diagnoses resistance value, extent of corrosion is with table shape by grounded screen drawing and model
Formula is shown；Grounded screen depth and topology data are called, using electrical impedance imaging algorithm for inversion, is based on diagnostic result drawing three-dimensional
Image carries out three-dimensional result to grounded screen branch and shows, is finally reached the purpose that concrete image understands grounded screen state.
Each subsystem can be subdivided into client application module, user log-in block again, and server processing module remotely leads to
Interrogate module etc..User log-in block can be realized the verifying of user login information, assign different management according to different verification informations
Personnel's difference administration authority, remote communication module mainly realize instant messaging.Client application module assigns user to various letters
Breath is managed and ground terminal corrosion diagnosis and the function of life prediction.Last server processing module is then mainly realized and is examined
The online cloud computing of disconnected information and the management and storage of each database.
Grounding net of transformer substation digital management system operating method is discussed in detail with the use case map of Figure 10 below.It uses
When, operator, which passes through login authentication module first and enters mobile terminal, (may be designed as password, fingerprint, face, password identification etc.
Login mode), then user can carry out the behaviour such as data acquisition, data management, data analysis, communication management and status assessment
Make.Acquired by data, user acquire corresponding data, increase newly ground connection pessimistic concurrency control, and grounded screen information can be imported, on
It passes, editor's preview；By data management, user can be to grounded screen information, testing staff's information and history in individual database
Monitoring information such as is inquired and is edited at the operation；It is analyzed by data, user can analyze the generation of grounded screen history detection data
Analysis report predicts the grounded screen service life；By status assessment, user can submit ground connection pessimistic concurrency control and related test parameters and survey
Information upload server is tried, server operation dependent diagnostic and appraisal procedure carry out working state evaluation to grounded screen and ultimately generate
Corresponding assessment report provides corresponding suggestion according to ground net corrosion degree.
Claims (10)
1. grounding net of transformer substation digital management system, which is characterized in that including substation information management system, grounded screen information
The big son of management system, testing staff's information management system, corrosion diagnosis of grounding grid system and Historical Monitoring information management system five
System, record and management of the substation information management system for realizing substation information, the grounded screen information
Record and management of the management system for realizing grounded screen information, testing staff's information management system is for realizing detection
Personnel information management, the corrosion diagnosis of grounding grid system is fed back for realizing corrosion diagnosis of grounding grid and result, described
Historical Monitoring information management system is for realizing the data management of grounded screen Historical Monitoring and historical data analysis；
Substation information management system is directly managed the grounded screen of substation and testing staff's information；Ground net corrosion is examined
Disconnected system is dependent on ground connection information management system, the ground connection pessimistic concurrency control ability only inputted in being grounded information management system
Carry out corrosion diagnosis；Historical Monitoring information management system summarizes grounded screen information, corrosion diagnosis information and testing staff's information,
These comprehensive information carry out life prediction to grounded screen according to history detection data；
The subsystem establishes connection with remote database server, accesses specified page by browser and uploads measurement number
According to by the quick calculating of remote calculation server completion corrosion diagnosis；
The information management for realizing user to substation, grounded screen and testing staff is combined with server by client, is realized
The corrosion diagnosis and historical data analysis of grounded screen, final information system management, the digital management for realizing substation and grounded screen
And visualized management, support is provided for the tracking and prediction of grounded screen state.
2. grounding net of transformer substation digital management system according to claim 1, which is characterized in that each subsystem is again thin
It is divided into client application module, user log-in block, server processing module and remote communication module, user log-in block is realized
The verifying of user login information assigns different administrative staff's difference administration authorities according to different verification informations；Remote communication module
It is main to realize instant messaging；Client application module realizes user to the management of various information and ground terminal corrosion diagnosis and longevity
Life prediction；Server processing module mainly realizes the online cloud computing of diagnostic message and the management and storage of each database.
3. grounding net of transformer substation digital management system according to claim 1 or 2, which is characterized in that the power transformation
Information management system of standing includes:
1) substation's specifying information include power transformation station name, building time, site, voltage class, area type, affiliated unit,
Remarks and drawing；
2) operation object is divided into domestic consumer's group and management user group, and management user group assigns whole permissions, and domestic consumer's group is assigned
Give part permission；
3) substation's relevant information is with importing in batches, inquiry, modification, increase, deletion and batch the Export Option；
The workflow of substation information management system is as follows: can be realized change after user enters substation information management system
The inquiry and typing of power station information；The substation that inquiry there can be same alike result according to input information inquiry is clicked, if not depositing
Then it is shown as empty in qualified substation；Otherwise all qualified substations of display, click substation's energy of display
It is enough that the substation information is modified, deletes or exported；Clicking typing can select to be manually entered information or quickly lead
Enter information.
4. grounding net of transformer substation digital management system according to claim 1 or 2, which is characterized in that the ground connection
Information management system includes:
1) grounded screen specifying information includes ground connection pessimistic concurrency control, model name, lateral number of nodes, longitudinal number of nodes, total node number, branch
Number, depth, grounding body quantity and remarks；
2) operation object is divided into domestic consumer's group and management user group, and management user group assigns whole permissions, and domestic consumer's group is assigned
Give part permission；
3) grounded screen relevant information have ground connection pessimistic concurrency control import, inquiry, modification, increase, delete and the Export Option；
Be grounded information management system workflow it is as follows: when user enter ground connection information management system after can inquire and
Typing grounded screen information；Select input grounded screen information can then select to be automatically imported or be manually entered by prompt；Selection is looked into
All grounded screens inputted under substation can then be retrieved by asking grounded screen information, be prompted again if search result is sky defeated
Enter；Relevant grounded screen is selected, relative parameters setting can be edited, deleted and be exported or carried out to its information.
5. grounding net of transformer substation digital management system according to claim 1 or 2, which is characterized in that the detection
Personnel information management system includes:
1) grounded screen testing staff specifying information includes ID number, name, gender, affiliated unit, professional level and telephone number；
2) operation object is divided into domestic consumer's group and management user group, and management user group assigns whole permissions, and domestic consumer's group is assigned
Give part permission；
3) grounded screen testing staff relevant information is with importing in batches, inquiry, modification, increase, deletion and batch the Export Option；
The workflow of testing staff's information management system is as follows: can be real after user enters testing staff's information management system
The inquiry and addition of existing testing staff's information；It clicks inquiry and needs to input name or affiliated unit, it is eligible if it does not exist
Personnel be then shown as empty；Otherwise all qualified testing staff of display, click the testing staff of display, can modify or delete
Except its information；Grounded screen testing staff's information can then be increased by clicking addition.
6. grounding net of transformer substation digital management system according to claim 1 or 2, which is characterized in that the ground connection
Net corrosion diagnosis system includes:
1) condition diagnosing: client sends computation requests, determines computing object and calculation, and server calls a number accordingly
It completes to calculate analysis according to library corresponding data and calculation procedure；Pass through the grounded screen impedance inverse problem algorithm pair based on polymorphic approximate solution
The corrosion diagnosis state of grounded screen make accurately diagnosis calculate, obtained result both can be used as grounded screen single evaluation according to
According to grounding net of transformer substation digital management system can also be stored, accumulation is repeatedly used as the life prediction foundation of grounded screen；
2) result is fed back: calculated result is returned to client by server, and client draws table according to calculated result and figure is real
The pictorialization of existing diagnostic result is shown, Real-time Feedback is calculated progress if calculating time length；Terminate in status assessment according to ground connection
Net extent of corrosion encloses corresponding diagnosis and treatment advice；
The workflow of corrosion diagnosis of grounding grid system is as follows: input becomes first after user enters corrosion diagnosis of grounding grid system
Then the grounded screen that power station information selection needs to diagnose is arranged relevant parameter and starts diagnosis calculating, the server if result convergence
Related data is called to generate diagnosis report；Mistake is returned if result does not restrain and prompts to reset parameter.
7. grounding net of transformer substation digital management system according to claim 1 or 2, which is characterized in that the history
Monitoring information management system includes:
1) when grounded screen Historical Monitoring data include measuring station title, detection grounded screen title and its model, inspector, detection
Between, the mode of connection, Injection Current, test result and remark information；
2) there is batch to import, inquiry, modification, increase, delete, batch the Export Option for grounded screen Historical Monitoring relevant information；
3) according to corresponding algorithm and program grounded screen model library and its Historical Monitoring information to input management system record into
Row historical data analysis predicts its working condition and life expectancy, generates analysis result information；
The workflow of Historical Monitoring information management system is as follows: can be after user enters Historical Monitoring information management system
Browse Historical Monitoring information below the page, Historical Monitoring information temporally Page sorting, what is monitored recently comes first page；Except this
Power transformation station name and testing staff can also be inputted in webpage upper end as needed with query history monitoring information outside, for browsing or
The grounded screen Historical Monitoring information of person's inquiry, edit-modify may be selected in user can also carry out big data calculating point by server
Analysis generates assessment report.
8. grounding net of transformer substation digital management system according to claim 7, which is characterized in that grounded screen life prediction
Specific embodiment it is as follows:
A) overall evaluation system of grounded screen health status is established
The heavy corrosion, slight erosion and conducting situation for comprehensively considering grounded screen, form the evaluation of estimate of extent of corrosion:
H in formula1=5, h2=1.5；
B) for each grounded screen, independent health account is established
To integrate corrosion index as foundation, the corrosion tendency of grounded screen is judged, grounded screen apparent for corrosion tendency should
Reinforce carrying out corrosion diagnosis work, shortens detection cycle；Grounded screen slow for corrosion rate, properly increases the maintenance time limit,
Guarantee that grounded screen diagnostic work is shot the arrow at the target；
C) fact basis is provided for the life appraisal of grounded screen using health account
In conjunction with grounded screen performance indicator and health status, the threshold value of grounded screen health index is determined；Pass through the shape of analysis grounding net
State influence factor establishes the assessment models of remaining life, predicts the operation time limit of each grounded screen, and grounded screen is instructed to detect and be transformed
Work.
9. grounding net of transformer substation digital management system according to claim 6, which is characterized in that pass through ground net corrosion
Realizing of the diagnosis system corrosion diagnosis of grounding grid, server runs corresponding program and carries out status assessment to grounded screen, under estimation flow:
User carries out fault diagnosis to grounded screen in client request, and the grounded screen detection data that server calls user uploads passes through phase
Program is answered to calculate grounded screen state；By diagnostic result archive management after diagnostic program end of run, database ground connection is then called
Net evaluation criterion combination diagnosis of program result carries out status assessment to diagnosed grounded screen, ultimately generates assessment report.
10. grounding net of transformer substation digital management system according to claim 6, which is characterized in that enable users to more
Ground connection Running State is intuitively understood, user may be selected aobvious to the grounded screen progress diagnostic result pictorialization for having diagnosed completion
Show, it is as follows to be particularly shown process: server calls measurement data and grounded screen drawing and model, according to diagnostic result, by branch
Number, design resistance value, diagnosis resistance value and extent of corrosion are shown in a tabular form；Call grounded screen depth and topological structure number
According to, using electrical impedance imaging algorithm for inversion, it is based on diagnostic result drawing three-dimensional image, it is aobvious to grounded screen branch progress three-dimensional result
Show, is finally reached the purpose that concrete image understands grounded screen state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501634.XA CN109657953A (en) | 2018-12-10 | 2018-12-10 | Grounding net of transformer substation digital management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501634.XA CN109657953A (en) | 2018-12-10 | 2018-12-10 | Grounding net of transformer substation digital management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109657953A true CN109657953A (en) | 2019-04-19 |
Family
ID=66113501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811501634.XA Pending CN109657953A (en) | 2018-12-10 | 2018-12-10 | Grounding net of transformer substation digital management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109657953A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110930052A (en) * | 2019-12-02 | 2020-03-27 | 国网山东省电力公司高密市供电公司 | Method, system, equipment and readable storage medium for predicting failure rate of power transformation equipment |
| CN111400640A (en) * | 2020-04-10 | 2020-07-10 | 中国铁塔股份有限公司 | Station address holographic information management system, construction method and construction device |
| CN111597572A (en) * | 2020-05-20 | 2020-08-28 | 贵州电网有限责任公司 | Method and system for managing and consulting transformer substation drawing files |
| CN111983512A (en) * | 2020-08-18 | 2020-11-24 | 广东电网有限责任公司梅州供电局 | Line grounding device monitoring system and method |
| CN112415334A (en) * | 2020-11-16 | 2021-02-26 | 国网上海市电力公司 | Digital twin system of all-in-one station grounding system and modeling method |
| CN114880922A (en) * | 2022-04-15 | 2022-08-09 | 大连理工大学 | Civil aviation-oriented flight data analysis and performance trend prediction system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2391757C1 (en) * | 2009-03-03 | 2010-06-10 | Открытое акционерное общество "Инженерный центр энергетики Урала-УРАЛВНИПИЭНЕРГОПРОМ, Уралсельэнергопроект, УралТЭП, УралОРГРЭС, УралВТИ, Уралэнергосетьпроект, Челябэнергосетьпроект" | Two-level grounding device |
-
2018
- 2018-12-10 CN CN201811501634.XA patent/CN109657953A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2391757C1 (en) * | 2009-03-03 | 2010-06-10 | Открытое акционерное общество "Инженерный центр энергетики Урала-УРАЛВНИПИЭНЕРГОПРОМ, Уралсельэнергопроект, УралТЭП, УралОРГРЭС, УралВТИ, Уралэнергосетьпроект, Челябэнергосетьпроект" | Two-level grounding device |
Non-Patent Citations (3)
| Title |
|---|
| 吴雄: "中大型变电站接地网故障智能诊断系统的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
| 李小娟 等: "输电线路接地网地理信息管理系统设计", 《测绘与空间地理信息》 * |
| 杨畅: "变电站接地网运行与管理系统的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110930052A (en) * | 2019-12-02 | 2020-03-27 | 国网山东省电力公司高密市供电公司 | Method, system, equipment and readable storage medium for predicting failure rate of power transformation equipment |
| CN111400640A (en) * | 2020-04-10 | 2020-07-10 | 中国铁塔股份有限公司 | Station address holographic information management system, construction method and construction device |
| CN111400640B (en) * | 2020-04-10 | 2023-09-22 | 中国铁塔股份有限公司 | Site holographic information management system, construction method and construction device |
| CN111597572A (en) * | 2020-05-20 | 2020-08-28 | 贵州电网有限责任公司 | Method and system for managing and consulting transformer substation drawing files |
| CN111597572B (en) * | 2020-05-20 | 2023-08-29 | 贵州电网有限责任公司 | Substation drawing file data management and reference method and system |
| CN111983512A (en) * | 2020-08-18 | 2020-11-24 | 广东电网有限责任公司梅州供电局 | Line grounding device monitoring system and method |
| CN112415334A (en) * | 2020-11-16 | 2021-02-26 | 国网上海市电力公司 | Digital twin system of all-in-one station grounding system and modeling method |
| CN112415334B (en) * | 2020-11-16 | 2023-01-31 | 国网上海市电力公司 | Digital twin system of all-in-one station grounding system and modeling method |
| CN114880922A (en) * | 2022-04-15 | 2022-08-09 | 大连理工大学 | Civil aviation-oriented flight data analysis and performance trend prediction system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109657953A (en) | Grounding net of transformer substation digital management system | |
| CN112487046B (en) | Power consumption information analysis method, device, system, computer equipment and storage medium | |
| CN105629136B (en) | Cable insulation status online auto monitoring and diagnostic system | |
| CN207354333U (en) | Instrument share management system based on cloud platform | |
| CN105956672A (en) | Power line inspection real-time monitoring management system | |
| CN105337575B (en) | Photovoltaic plant status predication and method for diagnosing faults and system | |
| CN103198139B (en) | The energy analysis method of custom power data | |
| CN210222990U (en) | On-line monitoring system for windproof stay wire of power transmission line | |
| US20030078800A1 (en) | Method and apparatus for the selection of a service provider | |
| CN107256442B (en) | Line loss calculation method based on mobile client | |
| CN107622589A (en) | A kind of instrument share management system and its implementation | |
| CN207472305U (en) | Power plant experimental monitor | |
| CN106251034A (en) | Wisdom energy saving electric meter monitoring system based on cloud computing technology | |
| CN106022664A (en) | Big data analysis based network intelligent power saving monitoring method | |
| CN109962527B (en) | Power distribution terminal fault recording system | |
| CN113792963A (en) | Farmland soil heavy metal pollution analysis early warning system | |
| CN109670637A (en) | Building energy consumption prediction technique, storage medium, device and system | |
| CN114881808A (en) | Electric power electricity stealing accurate identification method based on big data and electricity stealing prevention system | |
| CN108767984A (en) | A kind of traction institute earth mat intelligent monitoring device | |
| CN108471165A (en) | A kind of Electrical Safety for rail traffic station monitors system and method | |
| CN109522615B (en) | Method and device for evaluating zero-sequence inrush current tolerance of relay protection of power system | |
| CN116777179A (en) | Visual wisdom management system in laboratory | |
| CN113052417A (en) | Resource allocation method and device | |
| CN207481674U (en) | A kind of multifunctional intellectual charging pile and charging system | |
| CN101950324A (en) | River-health intelligent diagnosis method and equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190419 |
|
| RJ01 | Rejection of invention patent application after publication |