CN101951027B - Uniform data acquisition and monitoring system of low-medium voltage power distribution network - Google Patents
Uniform data acquisition and monitoring system of low-medium voltage power distribution network Download PDFInfo
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Abstract
The invention provides a uniform data acquisition and monitoring system of a low-medium voltage power distribution network, which comprises an intelligent acquisition terminal, a data communication and transmission system, a real-time data processing module, a data interface service module, a user power consumption information management and monitoring module and an intelligent power distribution station area management and monitoring module, wherein the intelligent acquisition terminal acquires user power consumption information and information on power distribution station area operation, state and the like, transmits the information to a real-time/historical database in the real-time data processing module through the data communication and transmission network for uniform management, uses the real-time/historical data to provide real-time comprehensive data support for the user power consumption information management and monitoring module, the intelligent power distribution station area management and monitoring module and other related application system through the data interface service module according to needs, and by the real-time acquisition and analysis of the operation information and the state parameters of power users and the power distribution station areas, brings the intelligent power distribution station areas into the self-control and economic operation range of the low-medium voltage power distribution network to realize the real-time load analysis and real-time electrovalence management of the terminal users and interactive application functions such demander response.
Description
Technical field
The invention belongs to electric power system low and medium voltage distribution network data acquisition and monitoring technical field, be specifically related to the collection of a kind of low and medium voltage distribution network uniform data and supervisory control system.
Background technology
In recent years, computer technology, collection are copied technology, collection and monitoring technology etc. are widely used in electric power system automatically, in each electric company, all installation and operation the in real time all kinds of or system quasi real time such as segment set copy system, monitoring system of distribution transformer, negative control system, but independent operating between each system, the same data message of low and medium voltage distribution network, a plurality of systems are acquisition applications respectively, there is information island phenomenon, data standard disunity, be unfavorable for information unified management and integrated sharing between system, cause to a certain extent the waste of the resources such as human, financial, and material resources simultaneously.
The popularization and application of power consumer to digitlization power consumption equipment, more and more responsive to the quality of power supply, power quality problem can cause production line to stop production, and causes heavy economic losses.Set up two-way real-time interactive platform with user, current situation, scheduled outage information and other some information on services of cost, Spot Price, electrical network of its electricity consumption of real-time informing user, also further important.And the centralized meter-reading system moving in electric power system at present, the general information about power that only gathers user, and not to informations such as user's voltage, electric current, power factor, leakage current situation and dump energies, cannot realize and interactive management intelligent to user's quality of power supply real-time analysis and improvement, pre-payment management, Demand Side Response, Spot Price management etc.Negative control system only rests on simple acquisition phase, does not have the direct interaction function of electrical network and user.Existing monitoring system of distribution transformer can provide the quantity of electricity information of comprehensive distribution transforming, but does not have concentrator function, cannot realize the function such as real-time line loss analyzing, power quality controlling in Dui Tai district.On the whole, current each in real time/quasi real time systemic-function configuration is perfect not, between each system, has information island, does not realize horizontal integrated and longitudinal perforation of data, cannot provide comprehensive data analysis and decision-making function for enterprise operation and management; Intelligent level is low, cannot realize the good management and control of centering low-voltage distribution network.
Summary of the invention
The collection of low and medium voltage distribution network uniform data and the supervisory control system that the object of this invention is to provide a kind of practicality, unified user power utilization information and the operation of intelligent power distribution platform district gathering in low and medium voltage distribution network, state information, through data communication and transmission network system deliver in real time data processing module in real time/carry out unified management in historical data base, user power utilization information management and monitoring module, the district's management of intelligent power distribution platform and monitoring module and other related application systems, extract according to the actual requirements corresponding in real time/historical data, real-time analysis and the control of realization to power consumer and power distribution station operation information and state parameter.
The application of native system can to different low and medium voltage distribution networks existing and newly-built in real time/quasi real time the real time data of monitoring system unify to gather, storage and issue, and by the requirement of information system management, to the application modules such as the user power utilization information management of power distribution network management level and monitoring, the management of intelligent power distribution platform district and monitoring or application system, provide data supporting.By application low and medium voltage distribution network uniform data, gather and supervisory control system, can implement easily the senior application of power distribution network, without with many Database interfaces, from data plane, eliminate information " isolated island ", economize on resources, promote the analysis of low and medium voltage distribution network and managerial ability.
To achieve these goals, a kind of low and medium voltage distribution network uniform data that the present invention proposes gathers and supervisory control system, comprise collecting terminal, data communication and transmission system, real time data processing module, data-interface service module, user power utilization information management and monitoring module and the management of intelligent power distribution platform district and monitoring module, described collecting terminal gathers user power utilization information and power distribution station operation and state information, according to communication protocol through data communication and transmission network system, deliver in real-time data acquisition module in real time/carry out unified management in historical data base, according to demand in real time/historical data is supported for each related application system provides integrated data through data-interface service module, the real-time analysis of realization to power consumer and power distribution station running status, monitoring and management.
Wherein, described collecting terminal comprises centralized automatic meter-reading terminal, Intelligent power distribution terminal, specially becomes acquisition terminal and distributed energy monitor terminal and transceiver module and communication interface, described centralized automatic meter-reading terminal comprises collector and concentrator, and described Intelligent power distribution terminal has concentrator function.
Wherein, described data communication and transmission system comprises optical fiber private network, wireless public network, wireless private network, low-voltage power carrier or micropower wireless network.
Wherein, described real time data processing module comprises a preposition group of planes, in real time/historical data base, database maintenance station, data backup station and Data dissemination machine.
Wherein, described data-interface service module comprises data communication server and the data-interface software to relevant real-time system and application system interface.
Wherein, the function of described user power utilization information management and monitoring module comprises customer charge management and control, ordered electric management and control, electricity consumption situation analysis and monitoring, tou power price analysis and management, file administration, maintenance and fault management and Report Server Management.
Wherein, described intelligent power distribution platform district management comprises platform district information monitoring, electric energy quality monitoring ,Tai district abnormal alarm, Intelligent platform zone economical operation management and power distribution station operating analysis with the function of monitoring module.
Wherein, described ordered electric management comprises the control in order of load prediction analysis and load with control, system is analyzed the load in certain period in the mode of combination, find out load variations rule, by the control of power definite value and a distant place, control two kinds of modes the power load of power consumer is controlled in order.
Wherein, described tou power price analysis and management comprise tou power price analysis and tou power price issue, the result of analyzing out according to time sharing electrical energy, makes Electricity Price Strategy, by the multiple published method of intelligent electric meter, website, note or voice, carries out tou power price issue.
Wherein, described Intelligent platform zone economical operation management is that system provides the control mode towards transformer according to service needed, manages and arrange control strategy, and drops into and excision control command by issuing to terminal, realizes the intellect economy operation in platform district.
Wherein, described power distribution station operating analysis comprises to be added up and month statistical analysis power distribution station rate of qualified voltage statistical analysis, Low-voltage Line Loss statistical analysis, the statistical analysis of power factor qualification rate, daily load curve, monitoring information day, for the system decision-making provides foundation.
The invention has the beneficial effects as follows that can be to other in low and medium voltage distribution network newly-built or in real time existing or quasi real time system or terminal equipment real time data unifies to gather, for production management application system provides uniform data interface and related data, support.
The present invention adopt there is distributed data application architecture, storage information rate is fast, high compression rate storage and realize in logic seamless call in real time/historical data base, effectively overcome the customer service performance bottleneck that conventional relevant database cannot be processed the real-time historical data of magnanimity.From technological layer, solved electric power system low and medium voltage distribution network in real time/system data information " isolated island " problem quasi real time, realize unified collection and integrated sharing, correctness and the uniqueness of data source have been guaranteed, the real-time control and monitoring of electrical production department to low and medium voltage distribution network be can strengthen, decision-making capability and the efficiency of management promoted.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is block diagram of the present invention.
Fig. 2 is collecting terminal block diagram.
Fig. 3 is data communication and transmission system block diagram.
Fig. 4 is real time data processing block diagram.
Fig. 5 is user power utilization information management and monitoring module block diagram.
Fig. 6 is the management of intelligent power distribution platform district and monitoring module block diagram.
Embodiment
As shown in Figure 1, the collection of low and medium voltage distribution network uniform data and supervisory control system comprise collecting terminal, data communication and transmission system, real time data processing module, data-interface service module, user power utilization information management and monitoring module, the management of intelligent power distribution platform district and monitoring module, collecting terminal gathers user power utilization information and power distribution station operation and state information, according to communication protocol through data communication and transmission network system, deliver in real-time data acquisition module in real time/carry out unified management in historical data base, according to demand will be in real time/historical data is user power utilization information management and monitoring module through data-interface service module, each related application systems such as the management of intelligent power distribution platform district and monitoring module provide integrated data to support, the real-time analysis of realization to power consumer and power distribution station running status, monitoring and management.
Native system design adopts in real time/historical data base, have that distributed data application architecture, storage information rate are fast, high compression rate storage and realize in logic the seamless feature such as call, can fast processing and storage mass data, realize low and medium voltage distribution network in real time/the integrated of historical data share, and guarantees accuracy and the uniqueness of data.
As shown in Figure 2, collecting terminal comprises centralized automatic meter-reading terminal (comprising collector, concentrator), Intelligent power distribution terminal (containing concentrator function), specially becomes acquisition terminal and distributed energy monitor terminal and transceiver module thereof, communication interface.Wherein collector comprises WSN wireless collection device, carrier acquisition device and common collector, embedded WSN wireless sending module in WSN wireless collection device, the user power utilization information of collection is sent to the WSN wireless receiving module of concentrator or Intelligent power distribution terminal through local data communication and transmission system, then through teledata and communication system, image data is uploaded.Embedded carrier wave sending module in carrier acquisition device, is sent to the carrier receiving module of concentrator or Intelligent power distribution terminal by the user power utilization information of collection through local data communication and transmission system, then through teledata and communication system, image data is uploaded.Common collector also similarly.
As shown in Figure 3, data and communication system comprise local data communication and transmission system and remote data communication and transmission system, local data communication and transmission system comprise optical fiber communication private network, micro power radio communication private network and several communication modes of low-voltage power carrier, remote data communication and transmission system comprise optical fiber communication private network, electric power wireless private network (230MHz), wireless public network (GPRS/GSM/CDMA) etc., have formed the operation of user power utilization information He Tai district and have uploaded with state information the communication port of controlling with system descending.
As shown in Figure 4, real time data processing module comprises a preposition group of planes, in real time/historical data base, database maintenance station, data backup station, Data dissemination machine.A preposition group of planes is by the real time data of data communication and transmission system acquisition terminal equipment, to each in real time and quasi real time the data of system carry out centralized integration, after adopting Optimize Compression Algorithm preliminary treatment, deposit in real time/historical data base in, form data warehouse, for various application systems provide unique real time data source.Database maintenance station Main Function comprises database maintenance, channel management, real time data monitoring etc., and database maintenance mainly comprises the regular maintenances such as database configuration information, service operation; Channel management mainly comprises communication message management, login and heartbeat management, channel monitoring and abnormal alarm etc.; Real time data monitoring mainly comprises the ,Tai of each electric substation district, the monitoring of the relevant informations such as real time data number, update time, state and Data Position such as electric current, voltage, electric weight.Be mainly used in real time/historical data library backup of data backup station.Data dissemination machine is mainly used for gathering front end processor to many and carries out data distribution management, by the data acquisition software being deployed on Data dissemination machine, the IP address information of acquisition terminal is write in middle table, by Data dissemination machine, according to communication acquisition terminal number of devices, packet is distributed equally, according to the IP of front end processor, is distributed on each front end processor.When certain front end processor exits, the packet of communicating by letter with this front end processor will be carried out data communication to other front end processors by mean allocation.
As shown in Figure 5, user power utilization information management and monitoring module function mainly comprise customer charge management and control, ordered electric management and control, electricity consumption situation analysis and monitoring, tou power price analysis and management, file administration, Report Server Management etc.Customer charge management is mainly that user prepayment is controlled and the monitoring of emphasis customer charge with controlling; Ordered electric management is mainly that customer charge forecast analysis and load are controlled in order with controlling; Electricity consumption situation analysis mainly comprises power quality data statistical analysis, line loss and loss on transmission analysis, power supply reliability analysis and abnormal electrical energy consumption analysis etc. with monitoring; Tou power price analysis mainly comprises time sharing electrical energy analysis and tou power price issue with management; File administration mainly moves necessary electric network composition, user, collection point, equipment to maintenance system and carries out hierarchical management; Report Server Management provides special-purpose and general tabulation function, can set up online and revise statement form.
As shown in Figure 6, the management of intelligent power distribution platform district mainly comprises the functions such as platform district information monitoring, electric energy quality monitoring ,Tai district abnormal alarm, Intelligent platform zone economical operation management, power distribution station operating analysis with monitoring module.Platform district information monitoring can carry out Real-Time Monitoring to intelligent power distribution platform district analog quantity, digital quantity, quantity of state and environment etc.; Electric energy quality monitoring can carry out Real-Time Monitoring and control to the voltage in intelligent power distribution platform district, electric current, frequency, harmonic wave, three-phase imbalance situation; Platform district abnormal alarm can be realized the functions such as voltage out-of-limit warning, electric current off-limit alarm, power factor off-limit alarm, phase shortage warning, decompression burglar alarm; Intelligent platform zone economical operation management can provide the control mode towards transformer according to service needed, manages and arrange control strategy, and drops into and excision control command by issuing to terminal, realizes the intellect economy operation in platform district; Operating analysis Dui Tai district, power distribution station carries out daily load curve statistical analysis, rate of qualified voltage statistical analysis and power factor statistical analysis etc.
Embodiment: can adopt in county power supply enterprise and concentrate the uniform data collection of deployment low and medium voltage distribution network and the machine room deployment of supervisory control system mode ， county power supply enterprise to gather front end processor, application server, database server and maintenance work station.County power supply enterprise, the terminal uses at different levels of power supply station can be by functions such as C/S, two kinds of patterns realizations of B/S operate and browse.County power supply enterprise can be by newly-built intelligent power distribution platform district, specially become user, public change and subordinate's user power utilization information exchange are crossed the preposition group of planes of real-time data acquisition that data communication and transmission system is uploaded to the collection of low and medium voltage distribution network uniform data and supervisory control system, to the existing regulation and control integral system of power supply enterprise, centralized meter-reading system, harmonic wave on-line monitoring system, storage battery on-line monitoring system etc. in real time/system quasi real time, can gather with the preposition group of planes of real-time data acquisition of supervisory control system to low and medium voltage distribution network uniform data by existing main station system front end processor simultaneously and forward real time data, after overcompression preliminary treatment, deposit in real time/historical data base in, form data warehouse.For safety, stable, realize each control system, electric supply meter, monitoring system data collection task rapidly, data acquisition can comprise the total interface of current main flow production control system, electric supply meter and electric related system.When carrying out relevant system data while gathering, only interface software need to be installed to corresponding interface and gather on front end processor equipment, the contents such as driver module, parameter, IO point table, IP, authority that configure relevant interface protocol can complete the collecting work of data.
The collection of low and medium voltage distribution network uniform data and supervisory control system can provide the api interface communication mode of standard, meet the demand such as real time data inquiry, analysis of user power utilization information management and monitoring module, the district's management of intelligent power distribution platform and monitoring module and other each related application modules or system.Each related application module or system send descending control command to Web service or interface front end processor equipment, are converted into the descending control packet of communication protocol up to specification, and corresponding terminal is controlled; Descending control packet is during to user power utilization information acquisition terminal or intelligent power distribution platform district, system need be returned to confirmation field, for confirming the validity of descending control command, thereby guarantee that the real time data source of each production application system of county power supply enterprise based on unified analyzed, decision-making and management, realize the accurate monitoring of terminal equipments at different levels and user power utilization information and relevant operation, state information or control function.
According to specific exemplary embodiment, invention has been described herein.It will be apparent under not departing from the scope of the present invention, carrying out to one skilled in the art suitable replacement or revise.Exemplary embodiment is only illustrative, rather than the restriction to scope of the present invention, and scope of the present invention is defined by appended claim.
According to specific exemplary embodiment, invention has been described herein.It will be apparent under not departing from the scope of the present invention, carrying out to one skilled in the art suitable replacement or revise.Exemplary embodiment is only illustrative, rather than the restriction to scope of the present invention, and scope of the present invention is defined by appended claim.
Claims (6)
1. a low and medium voltage distribution network uniform data gathers and supervisory control system, it is characterized in that comprising collecting terminal, data communication and transmission system, real time data processing module, data-interface service module, user power utilization information management and monitoring module and the management of intelligent power distribution platform district and monitoring module, described collecting terminal gathers user power utilization information and power distribution station operation and state information, according to communication protocol through data communication and transmission network system, deliver in real-time data acquisition module in real time/carry out unified management in historical data base, according to demand in real time/historical data is supported for each related application system provides integrated data through data-interface service module, the real-time analysis of realization to power consumer and power distribution station running status, monitoring and management,
Described collecting terminal comprises centralized automatic meter-reading terminal, Intelligent power distribution terminal, specially becomes acquisition terminal and distributed energy monitor terminal and transceiver module and communication interface, described centralized automatic meter-reading terminal comprises collector and concentrator, and described Intelligent power distribution terminal has concentrator function;
Described data communication and transmission system comprises optical fiber private network, wireless public network, wireless private network, low-voltage power carrier or micropower wireless network;
Described real time data processing module comprises a preposition group of planes, in real time/historical data base, database maintenance station, data backup station and Data dissemination machine;
Described data-interface service module comprises data communication server and the data-interface software to relevant real-time system and application system interface;
Described user power utilization information management and the function of monitoring module comprise customer charge management and control, ordered electric management and control, electricity consumption situation analysis and monitoring, tou power price analysis and management, file administration, maintenance and fault management and Report Server Management.
2. low and medium voltage distribution network uniform data according to claim 1 gathers and supervisory control system, it is characterized in that described intelligent power distribution platform district management comprises platform district information monitoring, electric energy quality monitoring ,Tai district abnormal alarm, Intelligent platform zone economical operation management and power distribution station operating analysis with the function of monitoring module.
3. according to low and medium voltage distribution network uniform data claimed in claim 2, gather and supervisory control system, it is characterized in that described ordered electric management and control comprise load prediction analysis and loads and control in order, system is analyzed the load in certain period in the mode of combination, find out load variations rule, by the control of power definite value and a distant place, control two kinds of modes the power load of power consumer is controlled in order.
4. according to low and medium voltage distribution network uniform data claimed in claim 1, gather and supervisory control system, it is characterized in that described tou power price analysis and management comprise tou power price analysis and tou power price issue, the result of analyzing out according to time sharing electrical energy, make Electricity Price Strategy, by the multiple published method of intelligent electric meter, website, note or voice, carry out tou power price issue.
5. according to low and medium voltage distribution network uniform data claimed in claim 2, gather and supervisory control system, it is characterized in that described Intelligent platform zone economical operation management is that system provides the control mode towards transformer according to service needed, manage and arrange control strategy, and drop into and excision control command by issuing to terminal, realize the intellect economy operation in platform district.
6. according to low and medium voltage distribution network uniform data claimed in claim 2, gather and supervisory control system, power distribution station operating analysis described in it is characterized in that comprises to be added up and month statistical analysis power distribution station rate of qualified voltage statistical analysis, Low-voltage Line Loss statistical analysis, the statistical analysis of power factor qualification rate, daily load curve, monitoring information day, for the system decision-making provides foundation.
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