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43results about How to "Raise the level of lean" patented technology
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Power industry low-voltage transformer area line loss analysis method and processing system based on big data
InactiveCN109636124ARaise the level of leanImprove business levelResourcesCollection systemTransformer
The invention discloses a power industry low-voltage transformer area line loss analysis method based on big data. The method comprises the following steps: 1, extracting high-load loss and uncalculable transformer areas in synchronous line loss of an acquisition system to construct basic line loss archive data; 2, analyzing and collecting abnormal archive factors by combining the archive data ofthe collection system; 3, analyzing abnormal work order information by combining the work order data of the acquisition system; 4, combining the curve data of the acquisition system, and counting metering abnormal factors; 5, analyzing the abnormity of the electricity stealing factor by combining the power current curve data and related ammeter reporting events; 6, analyzing on-site wiring abnormity in combination with the current and power curves; and 7, carrying out line loss abnormal district intelligent diagnosis through various abnormal detail data, and collecting a feedback abnormal defect elimination result. The invention also discloses a related analysis processing system.
Owner:韩霞 +5
Knowledge graph construction method for power grid main equipment
ActiveCN112612902AQuality improvementImprove efficiencyData processing applicationsNatural language data processingInformatizationPower grid
The invention discloses a knowledge graph construction method and device for power grid main equipment, and belongs to the technical field of power grid operation and inspection. Through continuous exploration and test, basic information, operation data and operation content of power grid main equipment are subjected to structured processing, knowledge triple extraction, ontology construction and knowledge graph completion and reasoning of the power grid main equipment are achieved through a system tool, and then a knowledge graph of the power grid main equipment is constructed; the method is suitable for the power grid equipment, can be applied to a power grid operation and maintenance management and control platform, can provide an auxiliary decision for operation and maintenance commanders, effectively improves the processing capability of personnel and equipment abnormality and faults, improves the quality and efficiency of knowledge analysis and processing of the power grid equipment, reduces the operation and maintenance cost of the power grid equipment, and improves the power transformation operation and maintenance efficiency. According to the invention, the knowledge mining capability and the intelligent analysis service capability of the equipment management business can be effectively improved, and the informatization and intelligence level project range of power grid operation and maintenance is comprehensively improved.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +1
Multi-cycle generation scheduling coordinated optimization and closed-loop control method
ActiveCN103886388AIncreased safety marginRaise the level of leanForecastingSystems intergating technologiesProgram planningClosed loop
The invention discloses a multi-cycle generation scheduling coordinated optimization and closed-loop control method which comprises the following steps that first, a monthly generation schedule is made; second, a day-ahead generation schedule is made; third, an intra-day rolling schedule is made; fourth, AGC determines units which only bear basic power through unit classification, and the units which only bear basic power track the intra-day rolling schedule to achieve closed-loop control; fifth, actual operation data of the units are fed back to the monthly generation schedule, and the monthly generation schedule is corrected in a rolling mode. The multi-cycle generation scheduling coordinated optimization and closed-loop control method for the operation plan field is achieved, overall resource optimized allocation and safety constrained control on a longer time dimension are achieved, and the scheduling target for impartiality and openness plus energy conservation at the same time is achieved.
Owner:STATE GRID CORP OF CHINA +3
Charging pile fault prediction method and device based on Markov chain
PendingCN109635854ARealize automatic failure predictionReduce the pressure of operation and maintenance workElectrical testingCharacter and pattern recognitionMarkov chainElectrical and Electronics engineering
The invention provides a charging pile fault prediction method and device based on a Markov chain, and the method comprises: obtaining a state vector of a target charging pile in an initial time period, and enabling the state vector to serve as the initial state probability distribution of a preset charging pile Markov chain prediction model; wherein the Markov chain prediction model of the charging pile is used for representing a discrete event random process in which a non-fault state and at least one fault state of the charging pile are mutually converted and different fault states of the charging pile are mutually converted; and according to the initial state probability distribution and the Markov chain prediction model, determining the probability that the target charging pile has atleast one fault in a prediction time period. Automatic fault prediction of the charging pile can be achieved, the prediction process is efficient, the prediction result is accurate, and then timely and targeted maintenance can be conducted on the fault of the charging pile.
Owner:STATE GRID JIBEI ELECTRIC POWER COMPANY +4
Accurate load control method taking economical efficiency and multi-time scale safety and stability into account
ActiveCN107516903AImprove adaptabilityImprove effectivenessPower network operation systems integrationElectric power transfer ac networkLoad SheddingTransient state
The invention discloses an accurate load control method taking economical efficiency and multi-time scale safety and stability into account, and belongs to the technical field of electric power systems and automation thereof. In order to solve the safety and stability problem of different time scales of a system in the fault development process, load shedding measure cost and electric safety accident liability cost are calculated, transient generalized economic loss, quasi-steady-state generalized economic loss and steady-state generalized economic loss indexes are built, and millisecond, second and minute coordinating accurate load control is realized. Electric power system scheduling operating staff can grasp safety operation rules of the system with complicated faults on different time scales, and adaptability of an existing load control method of three defense lines is improved, so that safety and stability control effectiveness and lean level of a large power grid are improved.
Owner:NARI TECH CO LTD +2
Real-time power generation plan optimization method considering northern Shaanxi cascade section limit linkage adjustment
ActiveCN110363335AGuaranteed normal operationFully tap the consumption potentialForecastingResourcesNew energyPower grid
The invention discloses a real-time power generation plan optimization method considering northern Shaanxi cascade section limit linkage adjustment. The method comprises the following steps: based onvarious basic data of a real-time power generation plan, constructing a network-province two-stage real-time power generation plan coordination optimization model in a generalized tie line mode, and providing a unit initial plan value and a section initial tide value for joint optimization of the real-time power generation plan and Shaanbei cascade section limit. According to the method, based onvarious basic data of a real-time power generation plan, a unit initial plan and a section initial tidal current value, a real-time power generation plan optimization model considering northern Shaanxi cascade section limit linkage adjustment is constructed; an optimization target is introduced into the Shaanbei virtual subarea, so that the new energy wind curtailment amount is minimum; constraints such as a Shaanbei subarea cascade section and a the central Shaanxi plain subarea admitting ability are introduced into constraint conditions, combined optimization of unit output and stable section limits is achieved, the Shaanbei subarea new energy consumption potential of Shaanxi province is fully excavated, the utilization rate of the Shaanbei cascade section is increased, and the lean level of northwest regional power grid new energy scheduling is improved.
Owner:NARI TECH CO LTD +2
Construction method and air conditioner control method for multi-load joint control strategy
ActiveCN113793010AAchieve coordinationRealize joint controlResourcesSystems intergating technologiesEvaluation resultOperation scheduling
The invention discloses a construction method and an air conditioner control method for a multi-load joint control strategy, and belongs to the technical field of multi-load joint control strategies. According to an existing control strategy, flexible loads cannot be effectively scheduled and accurately controlled. According to the construction method for a multi-scene multi-load joint control strategy provided by the invention, multi-load response potentials are evaluated, and a reasonable power utilization plan is made according to load characteristics and market response characteristics represented by an evaluation result; a multi-micro-load aggregation model in multiple scenes is further established, and multi-load active response and coordinated optimization are achieved; and the multi-micro-load aggregation model in multiple scenes is used as a part of a combined optimization model of multi-micro-load regional operation scheduling, and multi-scene multi-load joint control is realized. Therefore, hierarchical flexible optimization operation and efficient scheduling of user-side multi-micro-loads are realized, and the dynamic balance capability of a power grid is improved.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO MARKETING SERVICE CENT +1
Work plan making method of engineering construction
The invention provides a work plan making method of engineering construction. The method comprises the following steps: S1: obtaining the name, the integral design data and the total construction period T of engineering; S2: according to the engineering management standardization manual of an industry, dividing the engineering into a plurality of subordinate construction periods according to a sequential order; S3: according to the working type and the workload of each subordinate construction period, generating the working time interval [tn, Tn] of each subordinate construction period, wherein tn is the minimum time limit of each subordinate construction period, Tn is the maximum time limit of each subordinate construction period, and n is the time sequencing of the subordinate construction period in the whole total construction period; and S4: according to a certain ratio, compressing the maximum time limit Tn of each subordinate construction period until the sum of the maximum time limits after all subordinate construction periods are compressed is equal to the preset total construction period T. By use of the method, the standardization management manual of the project department of a power grid enterprise owner is taken as a basis, a reasonable construction period is automatically generated by means including construction period key points, compression functions and the like, and a workload is effectively reduced.
Owner:RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER +1
Method for automatically identifying and docking fixed value setting system and relay protection information system
InactiveCN107168265AReduce workloadReduce technical difficultyTotal factory controlProgramme total factory controlValue setSoftware engineering
The invention relates to a method for automatically identifying and docking a fixed value setting system and a relay protection information system, aiming at automatically identifying and analyzing a fixed value file which is transmitted by the fixed value setting system, completing automatic docking with the relay protection information system, and eliminating wrong setting caused by manual operation and increasing the efficiency of fixed value input. The method realizes automatic docking between the fixed value setting system and the relay protection information system, based on the fixed value having a certain format and a naming method having a certain format, generates the only setting serial number for the fixed value files in the fixed value setting system and the relay protection information system, realizes matching between the fixed value setting system and the relay protection information system by matching the serial numbers, and based on the reason of the failure, generates a result file and return the result file to the fixed value setting system in situations when the two systems fail to conduct automatic docking. The method is easy and simple, greatly increases data exchange efficiency between the relay protection information system and the fixed value setting system, and reduces wrong setting caused by manual operation.
Owner:STATE GRID XINJIANG ELECTRIC POWER CORP +1
Method and system for predicting target time sequence in whole construction process of power grid capital construction project
PendingCN110163434ARaise the level of leanPromote multi-service integrationForecastingInformation technology support systemPower gridTime sequence
The invention relates to a method and system for predicting a target time sequence in the whole construction process of a power grid capital construction project, and is characterized in that the method comprises the following steps: 1) constructing a construction real object quantity prediction time sequence of each power grid capital construction project in the power grid project; 2) constructing a cost entry prediction time sequence of each power grid capital construction project in the power grid project; 3) constructing an investment completion prediction time sequence of each power gridcapital construction project in the power grid project; and 4) according to the constructed construction real object quantity prediction time sequence, cost entry prediction time sequence and investment completion prediction time sequence, obtaiing monthly construction real object quantity, cost entry and investment target prediction values of each power grid capital construction project in the power grid project. The method and system can be widely applied to the field of power grid capital construction.
Owner:STATE GRID CORP OF CHINA +2
Computer-aided planning method based on three-layer planning model of power distribution network transition scheme
ActiveCN110569555ARaise the level of leanScientific and efficient planning processData processing applicationsSpecial data processing applicationsComputer-aidedComputer aid
The invention discloses a computer-aided planning method based on a three-layer planning model of a power distribution network transition scheme, which adopts Matlab software as an operation platform,and comprises the following specific steps: 1, carrying out planning premise work, deeply investigating the site, the current situation and planning station and location, collecting data and collecting information; determining the boundary of the three-layer planning model of the power distribution network transition scheme for modeling and planning requirements; 2, creating and calculating an upper-layer planning model; 3, creating and calculating a middle-level planning model; 4, creating and calculating a lower-layer planning model; 5, integrating a transition net rack scheme; and establishing a transition net rack planning scheme in the planning stage. According to the method, a scientific, efficient, reasonable and ordered planning process can be provided for transition net rack planning, and safe, reliable, economical and reasonable transition from a power distribution network rack with increasingly large scale and increasingly complex elements to a target net rack is promoted.
Owner:SHANGHAI ELECTRIC POWER DESIGN INST
Dynamic drawing presentation system based on interactive simulation operation
InactiveCN107610552AVerify availabilityEliminate time-consuming linksTeaching apparatusStrong interactionInteractive analysis
Provided is a dynamic drawing presentation system based on interactive simulation operation. An electrical drawing is dynamically drawn using a simulation programming technology, and is displayed in ascene supporting interactive simulation operation. The system is used for demonstrating the action principle of an electrical drawing. A user can operate a simulated electrical component through thetouch screen or mouth click and change the state of the component. Meanwhile, the user can trigger preset fault information through the touch screen or mouth click and change the state of the relevantsimulated component. The other electrical components in the system will automatically judge the states thereof and make corresponding changes according to the changes, and thus, dynamic change of thewhole drawing is realized. The system is further equipped with functions such as fast search for related components, search for the action conditions of components, interactive analysis of typical failure cases, and on-site scene display, and is a set of electrical drawing principle dynamic demonstration system with high independence and strong interaction.
Owner:YUNNAN POWER GRID CO LTD KUNMING POWER SUPPLY BUREAU
On-line checking method for a transformer substation equipment monitoring information table
PendingCN109657816AAchieve normativeImprove integrityOffice automationInformation technology support systemReal-time dataSmart substation
The invention relates to the technical field of intelligent substations, in particular to an on-line checking method for a transformer substation equipment monitoring information table. The transformer substation equipment monitoring information table online checking method comprises four parts of version checking, checking record management, real-time checking and normativity and integrity checking. According to the transformer substation equipment monitoring information table on-line checking method, on-line editing, checking and releasing of the monitoring information table can be achieved,on-line editing, checking, approving, releasing and browsing of a new transformer substation monitoring information table are conducted, and flow on-line circulation is achieved; Version management of the monitoring information table can be realized, and the version number of the transformer substation equipment monitoring information table is managed; Check record management can be realized, interaction with real-time data in a regulation and control integrated system is realized, and name and time query and matching are performed on real-time alarm information, SOE records and the like; Real-time checking of the monitoring information table can be achieved, and original plant station or interval information is obtained and compared with a new monitoring information table for checking.
Owner:ZHAOTONG POWER SUPPLYING BUREAU OF YUNNAN POWER GRID
Power grid physical asset evaluation method based on regression fitting model
PendingCN110428166AEnsure consistencyGuaranteed accuracyResourcesInformation technology support systemData setScale structure
The invention relates to a power grid physical asset evaluation method based on a regression fitting model. The power grid physical asset evaluation method comprises the steps: obtaining the historical PMS data and ERP data of to-be-evaluated physical assets of a power grid, so as to build a physical asset data set; building an asset evaluation index system comprising four first-level evaluation indexes including a scale structure, utilization efficiency, a health level and retirement scrapping; in combination with the physical asset data set, calculating to obtain each evaluation index value;and according to the evaluation index value, fitting a relationship between the equipment defect rate and the equipment service age by adopting a regression method to obtain an equipment defect rateprediction value, and comparing the main transformer defect rate with the average load rate to obtain a healthy average load rate interval of the main transformer. Compared with the prior art, the power grid physical asset evaluation method establishes a physical asset evaluation index system with effective and reliable data, and can predict the equipment defect rate based on the regression fitting model while broadening the main transformer load analysis content, thus providing a powerful support for subsequent operation and maintenance work, and facilitating optimization of physical asset allocation.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD +1
Vehicle speed control system for intelligent driving vehicle
ActiveCN109515441AIntelligent vehicle speed lean controlLive UpdateExternal condition input parametersDriver input parametersSpeed control systemControl system
Owner:SAIC GENERAL MOTORS +1
Power grid investment allocation processing method and apparatus
ActiveCN108229786ARaise the level of leanHigh precisionResourcesInformation technology support systemPower gridEngineering
The invention provides a power grid investment allocation processing method and apparatus. The method comprises the steps of obtaining correlation degrees between power grid construction indexes and characterization indexes; according to the correlation degrees between the power grid construction indexes and the characterization indexes, and the weights of the characterization indexes, calculatingthe importance degrees of the power grid construction indexes; according to target values and current values of the power grid construction indexes, calculating the influence degrees of the power grid construction indexes; and according to the importance degrees of the power grid construction indexes and the influence degrees of the power grid construction indexes, determining an investment allocation ratio of the power grid construction indexes. According to the power grid investment allocation processing method and apparatus provided by the invention, a power grid investment allocation scheme can be determined according to the correlation degrees between the power grid construction indexes and the characterization indexes; and the lean level of power distribution network construction and the accuracy of power grid investment are effectively improved.
Owner:INST OF ECONOMIC & TECH STATE GRID HEBEI ELECTRIC POWER +2
Equipment state big data computing method and equipment based on Goldstein-BP algorithm
InactiveCN107886248AAchieve convergenceImprove the efficiency of status evaluationResourcesNeural learning methodsEvaluation resultMean square
The invention discloses an equipment state big data computing method based on a Goldstein-BP algorithm. The method comprises the steps that S101, historical data and current data of grid equipment state evaluation indexes and grid equipment historical state evaluation results are acquired; S102, a corresponding BP neural network model is constructed according to equipment state index historical data characteristics; S103, a mean square error function is constructed according to the historical data of the grid equipment state evaluation indexes and the grid equipment historical state evaluationresults; S104, a Goldstein method is adopted to obtain a minimum mean square error, a learning rate in the BP algorithm is solved, and BP neural network parameters are computed through the BP algorithm; S105, the BP neural network parameters are substituted to obtain a BP neural network model; and S106, current equipment state evaluation index data is used as input of the BP neural network modelto obtain an output result. Through the technical scheme, the Goldstein method is adopted to solve the optimal learning rate of the mean square error function in the BP algorithm, and therefore the precision level of grid equipment management is raised.
Owner:CHINA SOUTHERN POWER GRID COMPANY
Field inspection method of oil gas monitoring device based on comparison and analysis
InactiveCN107064468AImprove mobilityGet rid of the dilemma of not being able to send for inspectionMaterial testing goodsPower equipmentMeasurement precision
The invention discloses a field inspection method of an oil gas monitoring device based on comparison and analysis, and relates to the fields of power equipment state monitoring and fault diagnosis study and application. The existing industry lacks a method for detecting the technical indexes of measuring accuracy (repeatability and error) and the like of the oil gas monitoring device at field. The method comprises the following steps of connecting a detection device, treating transformer oil, standing the transformer oil, balancing the volume change of a transformer, utilizing a standard gas automatic metering instrument to obtain set standard mixed gas, injecting into a portable inspection instrument, magnetically stirring until the gas is fully dissolved, calculating the original concentration of the dissolved gas in the oil, and calculating the concentration of the dissolved gas in one special component of oil. The method has the advantages that the key problems of site, communication and time conditions in the traditional application mode are overcome; the maneuverability of quality control response of power equipment is improved; the comprehensive optimum effects of risk, efficiency and cost in power production are realized.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
Photovoltaic access power distribution network adaptability evaluation method based on quantitative grading index system
PendingCN113610359AEasy to planRaise the level of investment leannessResourcesInformation technology support systemPower qualityBackground information
The invention relates to a photovoltaic access power distribution network adaptability evaluation method based on a quantitative grading index system. The method comprises the following steps: step 1, collecting background information and historical data of various photovoltaic power supply power distribution networks accessed and involved in a target network frame of a to-be-evaluated power distribution network for analysis; step 2, extracting key indexes in four aspects of reliability, load rate, short-circuit current and electric energy quality, and constructing an adaptability evaluation system; step 3, performing adaptability evaluation on a distribution network system in a to-be-evaluated planning region by adopting an index score weighting method; step 4, carrying out layering and partitioning; step 5, carrying out regional power grid evaluation; step 6, calculating an adaptability score value of a regional power grid, and obtaining an adaptability evaluation result of the regional power grid according to the adaptability score; and step 7, judging whether photovoltaic access adaptability is possessed or not, and taking corresponding measures. The invention provides an effective tool for assisting planning personnel to reasonably consider installation scale of regional photovoltaics and development planning of a matched power grid.
Owner:国网河北省电力有限公司雄安新区供电公司 +2
Joint storage material multi-factory balanced stock utilization method and system
PendingCN112819298AOptimize production material inventoryStrengthen communicationEnergy industryResourcesProcess engineeringStorage material
The invention provides a multi-factory balanced benefitting method for joint storage materials, which is used for performing multi-factory balanced benefiting on joint storage materials of separate storage units in various regions, optimizing the production material inventory of a power system, reducing outsourcing of the materials, realizing internal regulation and effectively optimizing the material inventory. The invention further provides a joint storage material multi-factory balanced bank utilization system.
Owner:ZHEJIANG ZHENENG ELECTRIC POWER CO LTD XIAOSHAN POWER PLANT
Source network load storage simulation platform, method and system
ActiveCN112260322ALow costImprove developmentPower network operation systems integrationSingle network parallel feeding arrangementsPower controlReal-time computing
The invention discloses a source network load storage simulation platform, method and system. The platform comprises: a test verification control module for controlling a test verification process; apower grid long-process analog simulation module for carrying out analog simulation on a power grid operation state; a comprehensive energy service provider used for collecting and concluding adjustment characteristic parameters of various resources managed by the comprehensive energy service provider and uploading the adjustment characteristic parameters to a load control main station; a load control main station used for aggregating multi-resource information and uploading the aggregated multi-resource information to a source network load storage collaborative real-time power control simulation module; the source network load storage collaborative real-time power control simulation module used for generating an adjustment strategy of each resource and issuing the adjustment strategy to the load control main station; and a source network load storage day-ahead planning simulation module used for generating planning data of the source network load storage collaborative real-time powercontrol simulation module. According to the invention, full-process and omnibearing source network load storage control simulation can be realized, and the reasonability of a day-ahead plan of the source network load storage and the safety of a source network load storage collaborative real-time power control strategy are ensured.
Owner:CHINA ELECTRIC POWER RES INST +2
Power distribution network investment demand determination method and device based on combined prediction, equipment and storage medium
PendingCN114140158ARaise the level of leanMarket predictionsInformation technology support systemAnalytic modelLow voltage
The invention discloses a power distribution network investment demand determination method and device based on combined prediction, equipment and a storage medium. The method comprises the following steps: carding factors influencing the investment demand of a power distribution network based on a fishbone diagram method; based on a grey relational analysis model, screening factors to obtain key factors influencing the investment demand of the distribution network; obtaining medium and low voltage distribution network investment scale and key factor historical data; establishing a distribution network investment demand prediction model by using a support vector machine method, a linear regression method and a grey prediction method; and inputting the key factors, the medium and low voltage distribution network investment scale and the historical data of the key factors into the distribution network investment demand prediction model to obtain a prediction result. Through the above mode, the method can achieve the precise prediction of the investment demands of the medium and low voltage distribution network, and provides a decision basis for a power grid enterprise to improve the lean level of the investment of the distribution network.
Owner:GUANGDONG POWER GRID CO LTD
Equipment lightweight display system of power system BIM model
PendingCN112634436AImprove management efficiencyDeep defecationData processing applicationsOther databases browsing/visualisationInformatizationElectric power system
The invention discloses an equipment lightweight display system of an electric power system BIM model. The equipment lightweight display system comprises a three-dimensional construction module, a three-dimensional model import module, a calling module, a display module, an interaction module and a central processing module. According to the invention, establishment, import and display of the BIM equipment model in the power system can be realized, and interaction can be performed through the interaction module after display. The evaluation work management efficiency is greatly improved, deep analysis and comprehensive application of three-dimensional design result data are facilitated, the service requirements of three-dimensional design result evaluation of all levels of electric power companies of the state grid are met, and the application value of engineering data is effectively mined. According to the method, advanced technologies such as three-dimensional modeling and digital design are utilized, the problems and defects existing in three-dimensional review of the power transmission and transformation project are scientifically and effectively solved, the production efficiency is improved, the project cost and cost are saved, the informatization design review management capacity is improved, and the normalization, standardization and lean level of design review management is improved.
Owner:SHANGHAI JINQU INFORMATION TECH
Comparison experiment management method for live detection instrument
PendingCN111680962AImprove management efficiencyRaise the level of leanOffice automationIndicating presence of current/voltageExperiment managementInstrumentation
The invention discloses a comparison experiment management method for a live-line detection instrument, belongs to the technical field of live-line detection, and achieves the functions of arrival acceptance, periodic inspection, instrument submission registration, submission instrument receiving, instrument distribution, experiment information recording and the like of the live-line detection instrument through employing a real object ID code and a mobile interconnection technology. Comparison experiment management of instruments and meters based on real object IDs is achieved. By taking thephysical ID as a link, information communication in the whole experiment management process of instruments and apparatus equipment is realized, the equipment management efficiency is improved, and thelean level of equipment management is improved.
Owner:JILIN PROVINCE ELECTRIC POWER RES INST OF JILIN ELECTRIC POWER CO LTD +4
System for managing acceptance and transferring to fixed asset of newly commissioned transformation device and working method thereof
InactiveCN105868903AAchieving processing powerAchieve sharingResourcesInformation technology support systemInformatizationMaterial resources
The invention discloses a system for managing acceptance and transferring to fixed asset of a newly commissioned transformation device and a working method thereof. The system includes a scanning device which scans electronic materials of the newly commissioned electronic device to be accepted and converts the scanned electronic materials into pictures and stores the pictures to an electronic material storing platform. The electronic material storing platform stores the data and transmits the data to a production management information system through network transmission. The production management information system receives data which are obtained by online monitoring by primary equipment within a substation, and transmits the data to a cloud server. According to the invention, the system is based on a PMS2.0 system which is the production management information system, establishes an informatization platform, saves manpower and material resources, realizes processing analysis and sharing of electronic data, and increases acceptance efficiency of the newly commissioned transformation device.
Owner:JINING POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +1
transformer substation maintenance operation simulation operation system based on mobile phone APP
InactiveCN109461337ASolve the problem that practical training is not easy to organizeImprove emergency responseCosmonautic condition simulationsSimulatorsOperational systemSimulation
The invention discloses a system including an operation process control subsystem, a scene management subsystem, a video management subsystem and a tool management subsystem. The subsystems are connected through signals. The system is based on scene pictures and videos, adopts a software technology to compile relevant control and interact with plugins by identifying key steps and links in the operation process, makes students perform simulating operations on corresponding steps through a touch screen, automatically judges operation correctness, judges whether a next link is executed or not till the operations are completed, and finally achieves analogue simulation operations of the whole operation process. The system makes training safe, quick and effective.
Owner:YUNNAN POWER GRID CO LTD KUNMING POWER SUPPLY BUREAU
A multi-period power generation plan coordination optimization and closed-loop control method
ActiveCN103886388BIncreased safety marginRaise the level of leanForecastingSystems intergating technologiesClosed loopEngineering
The invention discloses a multi-cycle generation scheduling coordinated optimization and closed-loop control method which comprises the following steps that first, a monthly generation schedule is made; second, a day-ahead generation schedule is made; third, an intra-day rolling schedule is made; fourth, AGC determines units which only bear basic power through unit classification, and the units which only bear basic power track the intra-day rolling schedule to achieve closed-loop control; fifth, actual operation data of the units are fed back to the monthly generation schedule, and the monthly generation schedule is corrected in a rolling mode. The multi-cycle generation scheduling coordinated optimization and closed-loop control method for the operation plan field is achieved, overall resource optimized allocation and safety constrained control on a longer time dimension are achieved, and the scheduling target for impartiality and openness plus energy conservation at the same time is achieved.
Owner:STATE GRID CORP OF CHINA +3
Material quality detection intelligent management and control system based on ubiquitous electric power Internet of Things technology
PendingCN113822571AImprove quality inspection work efficiencyRealize real-time queryCo-operative working arrangementsResourcesControl systemData acquisition
The invention discloses a material quality detection intelligent management and control system based on a ubiquitous electric power Internet of Things technology, relates to the technical field of milling machine auxiliary tools, and solves the technical problems that, in the prior art, existing material quality detection management and control mainly depend on manual data acquisition, time consumption is long, and accuracy and fairness cannot be guaranteed. The material quality detection intelligent management and control system based on the ubiquitous electric power Internet of Things technology comprises: a material module, an intermediate unit, a mobile terminal, the ubiquitous electric power Internet of Things, an industrial personal computer, and a data memory, a production field alarm, a network communication module A, and a network communication module B which are in uniform signal connection with the industrial personal computer. Through a task driving mechanism, goods arrival, to-be-detected, detection, detection completion and return are covered, standardized process closed-loop management of material quality detection is realized, risks are reduced to an acceptable level, and habitual violation is avoided, so that the safety management level of material quality supervision work is greatly improved, and the pertinence, effectiveness, and reliability of the detection work are ensured.
Owner:STATE GRID HEILONGJIANG ELECTRIC POWER CO LTD ELECTRIC POWER RES INST +1
Method and system for detecting abnormal cause of line loss rate in public substation area
ActiveCN107039970BAccurate exception judgmentRaise the level of leanFault location by conductor typesAc network circuit arrangementsElectricityPower factor
Owner:GUANGDONG POWER GRID CO LTD INFORMATION CENT +1
Method, device, computer equipment and storage medium for generating test materials
ActiveCN110109980BImprove the efficiency of obtaining inspection materialsShorten the timeData processing applicationsDatabase management systemsPower stationData library
The present application relates to a method, device, computer equipment and storage medium for generating inspection materials. The regular inspection material generation method of this application obtains the information of the power station, and searches and matches the power station information in the regular inspection database to obtain the data to be processed. The checked material is stored to the target path. Through the regular inspection material generation method provided by this application, the original typical work ticket data, original typical secondary measure sheet data, and original screen cabinet pictures of the substation relay protection device can be quickly matched, and the matched data can be converted into Scheduled inspection materials, while saving the scheduled inspection materials on the target path, can greatly improve the efficiency of obtaining the scheduled inspection materials, thereby greatly reducing the time and manpower for the preparation of the scheduled inspection materials, and helping to improve the lean level of power production.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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