CN104201780A - Load data collecting, transmitting and analyzing device used for rural power distribution area - Google Patents
Load data collecting, transmitting and analyzing device used for rural power distribution area Download PDFInfo
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- CN104201780A CN104201780A CN201410442256.8A CN201410442256A CN104201780A CN 104201780 A CN104201780 A CN 104201780A CN 201410442256 A CN201410442256 A CN 201410442256A CN 104201780 A CN104201780 A CN 104201780A
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses a load data collecting, transmitting and analyzing device used for a rural power distribution area. The load data collecting, transmitting and analyzing device comprises a terminal collecting unit, a data transmitting unit and a background processing unit, the terminal collecting unit comprises a plurality of digitized electricity meters and a data concentrator, the digitized electricity meters are in starlike distribution and connected with the data concentrator, and the background processing unit comprises a microcomputer system and a processing center which realize cascading through the Internet; the microcomputer system comprises an analyzing module, a storer and a display, and the processing center comprises a scheduling module and the pre-warning module. The load data collecting, transmitting and analyzing device realizes collection, transmission and analysis of load data of the rural power distribution area, has instantaneity, can collect a lot of power load type data, can store historical data of a plurality of years to establish a complete current-level power grid running parameter database and is convenient and quick to operate, long in service life, free of maintenance, extremely low in running cost, capable of monitoring running conditions of the electricity meters and playing a role complementary with the electricity meters and worthy of wide popularization and application.
Description
Technical field
The present invention relates to power load management devices technical field, relate in particular to for the load data in rural power dispensing table district and gather transimiison analysis device.
Background technology
At present, the planning of power construction, the increase-volume enlarging of electric power system, the allotment of the transformation of distribution system and electric energy feed, mainly estimate as foundation taking experts at different levels or technical staff's experience summary, owing to lacking full and accurate energy monitor information, project construction and transformation adjustment are often intersected with the matching of actual needs, cause electric power supply deficiency, the long-term overload operation of system, or electric power supply surplus, directly bring equipment fault to take place frequently, cause unnecessary economic loss, the platform sound zone system of especially providing and delivering for rural power, Load characteristics index is poor, Gu peak load often differs several times, year maximum valley peak load even differs tens times, bring great difficulty to distribution management and equipment operation management, therefore needing has a kind of device or system, can realize the collection of rural power dispensing table district load data, transmission, analyze.
Application number is that 201120194102.3 utility model patent relates to a kind of electric distribution network data collection communication device, comprise feeder terminal unit or data transmission unit, wireless network user terminal, it is characterized in that between feeder terminal unit or data transmission unit and wireless network user terminal, be connected with many interface switchboards, multiple feeder terminal units or data transmission unit are connected with multiple interfaces of switch, and switch is connected with a wireless network user terminal.The present invention can realize being connected of a wireless network user terminal and multiple feeder terminal units or data transmission unit by many interface switchboards, make a CPE simultaneously for multiple FTU or DTU provide wireless communication, thereby can save in a large number base station user and access quantity, alleviate base station live load, save base station construction and drop into.
The patent of invention that application number is 201010268772.5 provides the collection of a kind 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 the real time information such as user power utilization information and power distribution station operation and state, 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, according to demand will be in real time/historical data is user power utilization information management and monitoring module through data-interface service module, the district's management of intelligent power distribution platform and monitoring module and other related application systems provide real-time integrated data to support, by Real-time Collection and analysis to power consumer and power distribution station operation information and state parameter, intelligent power distribution platform district can be included in to low and medium voltage distribution network self-healing control and economical operation category, terminal use is realized to Real-time Load analysis, Spot Price management, realize the interactive application functions such as Demand Side Response.
Application number is that 200510077651.1 patent of invention discloses a kind of countryside low-voltage electric distribution network automatization controlling device, comprise upper managing computer and slave computer, its circuit structure is mainly divided into gsm communication unit, Single Chip Microcomputer (SCM) program control unit, terminal collecting unit, three-phase current-voltage sample unit, relay unit, distribution transforming state detection unit and these parts of power circuit, adopt this device not only can realize remote monitoring to the operation conditions of countryside low-voltage electric distribution network, but also be applicable to load monitoring and the monitoring of power consumer simultaneously.
Said system or device, its object is all to improve the collection communication of power distribution network data and monitoring in real time, but for better realizing Electric Power Service in High, improve customer satisfaction, preferably electric network data collection is combined with data analysis management, and form a kind of platform district network system, obtain comprehensive beneficial effect.
Summary of the invention
The object of the invention is that the load data that is provided for rural power dispensing table district gathers transimiison analysis device, by collection and the real-time Transmission of Dui Tai district load data information, prevent from causing device damage because of the reason such as overload or underload on the one hand, on the other hand can be to data analysis, participate in assisting the formulation of optimal service scheme, improve platform district operation of power networks efficiency, promote user satisfaction.
For achieving the above object, the technical solution used in the present invention is: the load data for rural power dispensing table district gathers transimiison analysis device, comprise terminal collecting unit, data transmission unit and background processing unit, described terminal collecting unit comprises digitlization ammeter and data concentrator, and some digitlization ammeters are star distribution and are connected with a data concentrator.
Described data transmission unit is realized the docking of special signal port with described terminal collecting unit, described background processing unit respectively.
Described terminal collecting unit is realized long distance wireless with described background processing unit by described data transmission unit and is connected.
Described data transmission unit comprises transceiving radio station, and some described data concentrators are the distribution of ordinate net and are connected with a described transceiving radio station.
Described digitlization ammeter is single-phase carrier wave meter and/or three-phase and four-line carrier wave meter.
Described background processing unit comprises microsystem and processing center, and both realize cascade by internet.
Described microsystem comprises analysis module, memory and display, and described processing center comprises scheduler module and warning module.
Described scheduler module is electric power dispatching system, and described warning module comprises basic data acquisition warning module, the online warning module of circuit overload, platform district overload early-warning module, electric current and voltage and three-phase imbalance warning module, anti-electricity-theft warning module and line loss abnormity early warning module.
The present invention is after the Power system load data of each period that collects control area, this Power system load data is sent to processing module, by processing module, the Power system load data predicting is processed, send corresponding control signal according to data processed result to control module, for example, while predicting electric load increase, sent the control signal that increases output power power by dispatching patcher, when predicting electric load and reducing, sent the control signal that reduces output power power by dispatching patcher, thereby realize, the output power power of generating equipment is controlled, avoid causing a large amount of electric power to be used and wasting by transfer order retardation, or the electric power problem such as have a deficit cannot realize electric power peak time.
The prerequisite that invention realizes is the collection of rural power dispensing table district load data, what adopt is the fully connected topology of divergence expression, being star distribution by some digitlization ammeters is connected with a data concentrator, digitlization ammeter is according to the concrete condition of each measurement, choose any one or its combination of single-phase carrier wave meter and/or three-phase and four-line carrier wave meter, in the time that data transmission unit adopts wireless mode, the end of data concentrator should connect the wireless transport module interconnected with transceiving radio station, as GSM transmitting terminal; In the time that data transmission unit adopts non-wireless transmission method, between each concentrator and background processing unit, adopt special signal port to dock.
The core that the present invention realizes is the application of load data, comprise analytic process and processing procedure after transfer of data, respectively by the microsystem in background processing unit, processing center realizes, both are by internet cascade, wherein, microsystem comprises analysis module, memory and display, analysis module is on the one hand by calling the primary standard data in memory, realize the contrast of image data and normal data, and whether there is relatively large deviation by calculating, on the other hand, current data is carried out to merger processing, comprise data sheet and the map generalization of 3D curve, it is the mode of calling the time heap base of survey time together that data sheet generates, on a form, list in the mode of timesharing the data of being surveyed, 3D curve chart be by electric current, voltage, electric energy, power factor all with the 3D curve of colored broken line, express macroscopic view curve database memory time, and mark flex point value titled with quantitative at that time numeral, data storage be total data to entering database storage according to the size of hard-disk capacity taking the several years as unit unloading, the time record that has heap to build for peak-peaks such as the electric current occurring in the phase, voltage, electric energy, power factors, for all records if having time of power-off, phase shortage, display is that data type, form, figure and the variance analysis result to present analysis gained shows in real time, to facilitate staff's real-time monitoring.
Processing center comprises scheduler module and warning module, scheduler module is electric power dispatching system, generally in the time there is overall larger deviation, adopt, and warning module is mainly realized the processing of reporting to the police, for the super warning value of surveyed data, can point out person on duty and Regional Champion in the mode of the sound, word, electronic chart, mobile phone alarm, early warning type comprises several major parts such as basic data acquisition early warning, the online early warning of circuit overload, platform district overload early-warning, electric current and voltage and three-phase imbalance early warning, anti-electricity-theft early warning and line loss abnormity early warning.
In the present invention, load data gathers transimiison analysis device, on the one hand the historical statistics data of control area is collected, obtain over peak load in several predetermined period, minimum load, average load, diversity factor etc. information, thereby the electric load according to above-mentioned information prediction to each period in next cycle, and by collector node user's master data, assess these impact of data factor on electric load, make the trend analysis of electric load.
The present invention has realized the load data collection that can be used for rural power dispensing table district, transmission, analyze, there is real-time, can gather a large amount of electric load class data, and can store the historical data of several years to set up complete operation of power networks parameter database at the corresponding levels, for power grid construction and the safe reliable basis that provides, can launch in advance foresight work according to these data, and can be by the analysis of electric power consumption of power supply link, the line loss of power supply link is provided, provide foundation for reducing line loss, also can adjust the user power utilization situation of local power supply area according to managerial demand, reduce power supply charging loss, simple operation of the present invention, long service life, non-maintaining extremely low with operating cost, can also monitor the ruuning situation of ammeter, play mutually supplementary effect with ammeter, its comprehensive application makes the data of collection more accurate.
Brief description of the drawings
Fig. 1 is system construction drawing of the present invention.
Embodiment
Embodiment mono-
As shown in Figure 1, load data for rural power dispensing table district gathers transimiison analysis device, comprise terminal collecting unit, data transmission unit 3 and background processing unit, terminal collecting unit comprises digitlization ammeter 1 and data concentrator 2, and some digitlization ammeters 1 are star distribution and are connected with a data concentrator 2.
Data transmission unit 3 is realized the docking of special signal port with terminal collecting unit, background processing unit respectively; Digitlization ammeter is single-phase carrier wave meter; Background processing unit comprises microsystem 4 and processing center 5, and both realize cascade by internet.
Microsystem comprises analysis module 6, memory 7 and display 8, and processing center comprises scheduler module 9 and warning module; Scheduler module is electric power dispatching system, and warning module comprises basic data acquisition warning module 10, the online warning module 11 of circuit overload, platform district overload early-warning module 12, electric current and voltage and three-phase imbalance warning module 13, anti-electricity-theft warning module 14 and line loss abnormity early warning module 15.
Because be the data station district for each entity, so load data enters after analysis module, can rely on generalized information system carries out the early stage of data and puts together, the application mode of system GIS on this device is the integrated information system that the core business such as the power equipment of regional, transformer station, transmission and distribution networks, power consumer and electric load and production and management is connected to form to the production management of power informatization.Power equipment facilities information, operation of power networks state information, power technology information, production management information, electricity market information and mountains and rivers, river, physical features, cities and towns, road street, housing-group that it provides, and the natural environment information such as meteorology, the hydrology, geology, resource concentrates in integrated system, can inquire about relevant data, picture, image, map, technical data, managerial knowledge etc., the network management of more convenient entirety by GIS.
Carry out flow process description with an analytical cycle below: taking the sampling period as 12 hours as example, sampled data comprises that in 12 hours, collected electric weight load data comprises amount of power supply E
1, maximum load power consumption E
2, minimum load power consumption E
3and transmission power P
0, establish amount of power supply E
1within the sampling period, be to stablize supply, can calculate average load parameter according to electrical parameter, and the maximum of average load limiting value and minimum, the ratio of cycle power consumption and time is average load, and in 12 hours, average load parameter is: average supply load P
1=E
1/ 12, power load P when maximum load
2=E
2/ 12, power load P when minimum load
3=E
3/ 12, calculate respectively subsequently maximum and minimum, to determine the adjustable range of power network dispatching system, maximum P
mAX=K
1* (P
1-P
3+ P
0), minimum P
mIN=K
2* (P
1-P
2), wherein K
1, K
2for the coefficient relevant to the specified bearing capacity of electric power system; Through calculating after every related data, data acquisition to be uploaded TCP/IP agreement, transfers to dispatching patcher by fiber optic Ethernet network, and data distributing process subsequently is also utilized this mode, thereby realizes the interconnecting and switching of data.
After analytic process finishes, enter processing procedure, dispatching patcher is received after load parameter data, drops in the requirement of electrical network overall operation using data as parameter, according to different periods and the different load amount of overall grid operation, draw the adjusting load value P in Yu Getai district
c, and periodically issue by fiber optic network, the transmission cycle can be made as 2 hours.
Scheduler module is electric power dispatching system, and system, according to regulating load value, calculates load total deviation value P
' , load total deviation value P
' for maximum supply load P
4, extreme value load P
5, regulate load P
cdifference, i.e. P
' =P
4-P
5+ P
c, and be F*P according to load cost function F calculated load correction value
' , meeting under the prerequisite of load deviation correction, according to the optimal proportion principle of cost, determine optimal adjustment amendment scheme; Warning module is mainly realized reporting to the police and is processed, for the super warning value of surveyed data, can point out person on duty and Regional Champion in the mode of the sound, word, electronic chart, mobile phone alarm, early warning type comprises several major parts such as basic data acquisition early warning, the online early warning of circuit overload, platform district overload early-warning, electric current and voltage and three-phase imbalance early warning, anti-electricity-theft early warning and line loss abnormity early warning.
Embodiment bis-
As shown in Figure 1, gather transimiison analysis device for the load data in rural power dispensing table district, be with the difference of embodiment mono-, terminal collecting unit is realized long distance wireless with background processing unit by data transmission unit and is connected; Data transmission unit comprises transceiving radio station, and some data concentrators are the distribution of ordinate net and are connected with a transceiving radio station.
Taking the sampling period as 8 hours as example, sampled data comprises that in 8 hours, collected electric weight load data comprises amount of power supply E
1, maximum load power consumption E
2, minimum load power consumption E
3and transmission power P
0, establish amount of power supply E
1within the sampling period, be to stablize supply, can calculate average load parameter according to electrical parameter, and the maximum of average load limiting value and minimum, the ratio of cycle power consumption and time is average load, and in 8 hours, average load parameter is: average supply load P
1=E
1/ 8, power load P when maximum load
2=E
2/ 8, power load P when minimum load
3=E
3/ 8, calculate respectively subsequently maximum and minimum, to determine the adjustable range of power network dispatching system, maximum P
mAX=K
1* (P
1-P
3+ P
0), minimum P
mIN=K
2* (P
1-P
2), wherein K
1, K
2for the coefficient relevant to the specified bearing capacity of electric power system; Through calculating after every related data, data acquisition to be uploaded TCP/IP agreement, transfers to dispatching patcher by fiber optic Ethernet network, and data distributing process subsequently is also utilized this mode, thereby realizes the interconnecting and switching of data.
After analytic process finishes, enter processing procedure, dispatching patcher is received after load parameter data, drops in the requirement of electrical network overall operation using data as parameter, according to different periods and the different load amount of overall grid operation, draw the adjusting load value P in Yu Getai district
c, and periodically issue by fiber optic network, the transmission cycle can be made as 1.5 hours.
Embodiment tri-
As shown in Figure 1, gather transimiison analysis device for the load data in rural power dispensing table district, be with the difference of embodiment mono-or embodiment bis-, what digitlization ammeter was applied is three-phase and four-line carrier wave meter.
Taking the sampling period as 4 hours as example, sampled data comprises that in 4 hours, collected electric weight load data comprises amount of power supply E
1, maximum load power consumption E
2, minimum load power consumption E
3and transmission power P
0, establish amount of power supply E
1within the sampling period, be to stablize supply, can calculate average load parameter according to electrical parameter, and the maximum of average load limiting value and minimum, the ratio of cycle power consumption and time is average load, and in 4 hours, average load parameter is: average supply load P
1=E
1/ 4, power load P when maximum load
2=E
2/ 4, power load P when minimum load
3=E
3/ 4, calculate respectively subsequently maximum and minimum, to determine the adjustable range of power network dispatching system, maximum P
mAX=K
1* (P
1-P
3+ P
0), minimum P
mIN=K
2* (P
1-P
2), wherein K
1, K
2for the coefficient relevant to the specified bearing capacity of electric power system; Through calculating after every related data, data acquisition to be uploaded TCP/IP agreement, transfers to dispatching patcher by fiber optic Ethernet network, and data distributing process subsequently is also utilized this mode, thereby realizes the interconnecting and switching of data.
After analytic process finishes, enter processing procedure, dispatching patcher is received after load parameter data, drops in the requirement of electrical network overall operation using data as parameter, according to different periods and the different load amount of overall grid operation, draw the adjusting load value P in Yu Getai district
c, and periodically issue by fiber optic network, the transmission cycle can be made as 1 hour.
Claims (8)
1. gather transimiison analysis device for the load data in rural power dispensing table district, it is characterized in that: comprise terminal collecting unit, data transmission unit and background processing unit, described terminal collecting unit comprises digitlization ammeter and data concentrator, and some digitlization ammeters are star distribution and are connected with a data concentrator.
2. the load data for rural power dispensing table district as claimed in claim 1 gathers transimiison analysis device, it is characterized in that: described data transmission unit is realized the docking of special signal port with described terminal collecting unit, described background processing unit respectively.
3. the load data for rural power dispensing table district as claimed in claim 1 gathers transimiison analysis device, it is characterized in that: described terminal collecting unit is realized long distance wireless with described background processing unit by described data transmission unit and is connected.
4. the load data for rural power dispensing table district as claimed in claim 3 gathers transimiison analysis device, it is characterized in that: described data transmission unit comprises transceiving radio station, some described data concentrators are the distribution of ordinate net and are connected with a described transceiving radio station.
5. gather transimiison analysis device for the load data in rural power dispensing table district as claimed in claim 2 or claim 3, it is characterized in that: described digitlization ammeter is single-phase carrier wave meter and/or three-phase and four-line carrier wave meter.
6. gather transimiison analysis device for the load data in rural power dispensing table district as claimed in claim 2 or claim 3, it is characterized in that: described background processing unit comprises microsystem and processing center, and both realize cascade by internet.
7. the load data for rural power dispensing table district as claimed in claim 6 gathers transimiison analysis device, it is characterized in that: described microsystem comprises analysis module, memory and display, and described processing center comprises scheduler module and warning module.
8. the load data for rural power dispensing table district as claimed in claim 7 gathers transimiison analysis device, it is characterized in that: described scheduler module is electric power dispatching system, described warning module comprises basic data acquisition warning module, the online warning module of circuit overload, platform district overload early-warning module, electric current and voltage and three-phase imbalance warning module, anti-electricity-theft warning module and line loss abnormity early warning module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410442256.8A CN104201780A (en) | 2014-09-02 | 2014-09-02 | Load data collecting, transmitting and analyzing device used for rural power distribution area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410442256.8A CN104201780A (en) | 2014-09-02 | 2014-09-02 | Load data collecting, transmitting and analyzing device used for rural power distribution area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104201780A true CN104201780A (en) | 2014-12-10 |
Family
ID=52087033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410442256.8A Pending CN104201780A (en) | 2014-09-02 | 2014-09-02 | Load data collecting, transmitting and analyzing device used for rural power distribution area |
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| CN105375500A (en) * | 2015-11-25 | 2016-03-02 | 国家电网公司 | Three-phase unbalance monitoring and management system and method for distribution transformer |
| CN105449869A (en) * | 2015-12-29 | 2016-03-30 | 安徽海兴泰瑞智能科技有限公司 | Electric power data acquisition and detection method |
| CN106291031A (en) * | 2016-10-27 | 2017-01-04 | 国网河北省电力公司衡水供电分公司 | Batch looks into stealing system |
| CN106370903A (en) * | 2016-10-27 | 2017-02-01 | 国网河北省电力公司衡水供电分公司 | Batch electric larceny inspection instrument |
| CN106546789A (en) * | 2016-10-27 | 2017-03-29 | 国网河北省电力公司衡水供电分公司 | Batch looks into electricity filching device |
| CN109167436A (en) * | 2018-09-27 | 2019-01-08 | 云南电网有限责任公司电力科学研究院 | A kind of 0.4kV low-voltage network method for visualizing |
| CN110649703A (en) * | 2019-08-10 | 2020-01-03 | 国网吉林省电力有限公司长春供电公司 | Digital transformer area line loss situation perception and electricity stealing inspection method |
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