CN102722851B - A kind of majority based on intelligent power grid technology is according to interface synthesis line loss management system of local electric network - Google Patents
A kind of majority based on intelligent power grid technology is according to interface synthesis line loss management system of local electric network Download PDFInfo
- Publication number
- CN102722851B CN102722851B CN201210189503.9A CN201210189503A CN102722851B CN 102722851 B CN102722851 B CN 102722851B CN 201210189503 A CN201210189503 A CN 201210189503A CN 102722851 B CN102722851 B CN 102722851B
- Authority
- CN
- China
- Prior art keywords
- line loss
- line
- data
- user
- management system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 38
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 38
- 238000005516 engineering process Methods 0.000 title claims abstract description 34
- 230000005611 electricity Effects 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000003993 interaction Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims abstract description 5
- 238000007726 management method Methods 0.000 claims description 77
- 238000004458 analytical method Methods 0.000 claims description 21
- 238000009826 distribution Methods 0.000 claims description 14
- 238000012384 transportation and delivery Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
- 230000010354 integration Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 11
- 239000013307 optical fiber Substances 0.000 description 10
- 230000008859 change Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000002354 daily effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 230000006855 networking Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Based on the majority of intelligent power grid technology according to an interface synthesis line loss management system of local electric network, belong to fields of measurement.It is characterized in that: based on .NET? Remoting software system architecture, builds distributed line loss and to become more meticulous precise alignment analytic system, form unified Controlling line loss application platform; Take corresponding electricity clearing and power information acquisition mode respectively for variety classes user, form the line loss statistics sub system for variety classes user; Adopt shared data bank interface shape, sing on web? the IDP data access interface of Service or Excel file directly import the mode of data, carry out the data between each line loss statistics sub system and unified Controlling line loss application platform or information transmission; Realize being distributed in the collection of strange land isomeric data, conversion, cleaning and warehouse-in, set up the seamless interconnected mechanism of Data Dynamic and information interaction mechanism real-time; Thus realize line loss and to become more meticulous comparison.Operation/the management domain of electric system can be widely used in.
Description
Technical field
The invention belongs to fields of measurement, particularly relate to a kind of line loss metering system for electric energy metrical.
Background technology
In conveying with distribute in (transformation) power process, the power loss that in power network, each element produces and energy loss and unknown losses, be referred to as line loss (loss of supply), be called for short line loss.
Concerning urban electricity supply department, line loss electricity generally includes from main transformer of transformer substation to all energy losses user's electric energy meter.
Line loss electricity can not directly measure, it with delivery and electricity sales amount subtraction calculations out.
The number percent that line loss electricity accounts for delivery is called rate of electricity loss from transmission line, is called for short line loss per unit.
Line loss per unit is a principal economic indicators of power supply enterprise, its concentrated expression planning and design of electrical network, production technology and operation management level.
Controlling line loss is the key link of management in power supply enterprise.The important process that electric power enterprise performs national energy-saving and emission-reduction deployment does a good job of it line loss fine-grained management exactly, makes great efforts to reduce line losses indices.
Intelligent grid is based on the communication technology of advanced person, sensor technology, infotech, with the information interaction between grid equipment for means, to realize the modern power industry system of the advanced person for the purpose of power grid security, reliable, economic, energy-conservation, interaction.
The development of intelligent grid new technology and application are the important technical improving Controlling line loss level.
China, in recent years by advancing the Demonstration Construction of intelligent power, intelligent power distribution technology, have accumulated more research and Demonstration Application achievement.Install in a large number in recent years and use large user's load management system, low pressure automatic meter reading system, power information acquisition system, improve the level of informatization of the management of power use.
In the management work of line loss, domestic each department have employed various new means of communication one after another, realize power information collection, and cover level by improving platform district electricity consumption monitoring, strengthen line losses indices.
Therefore how by technological means, improve city Controlling line loss level, be extremely important.
How the development of combined with intelligent electrical network, more effectively reduces line loss per unit by intelligent electric meter, fiber to the home and other technologies means, becomes China, the subject under discussion that especially national grid one of facing is important.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of majority based on intelligent power grid technology according to interface synthesis line loss management system of local electric network, the primary equipment intellectualized technology of its combined with intelligent electrical network, the advanced achievements such as intelligent power technology, set up unified line loss analysis system platform and the matching net wire loss collection network of all standing, carry out classification line loss to all kinds of dissimilar user to become more meticulous precise alignment, solve low-voltage platform area, non-special line class user cannot realize the problem of precise alignment, the line loss having filled up non-individual line subscriber becomes more meticulous the technological gap of comparison, for the Controlling line loss work of intelligent network distribution provides good technical scheme and Demonstration Application.
Technical scheme of the present invention is: provide a kind of majority based on intelligent power grid technology according to interface synthesis line loss management system of local electric network, it is characterized in that:
Based on .NETRemoting software system architecture, build distributed line loss and to become more meticulous precise alignment analytic system, form unified Controlling line loss application platform;
For different types of user, according to the difference of all kinds of load character and all kinds of line form, take corresponding electricity clearing and power information acquisition mode respectively, form the line loss statistics sub system for variety classes user;
Described unified Controlling line loss application platform and the line loss statistics sub system for variety classes user, form majority based on intelligent power grid technology according to interface synthesis line loss management system of local electric network;
Described majority is according to interface synthesis line loss management system of local electric network, utilize Data Source and the interface of existing types of applications system and terminal device data channel, adopt the IDP data access interface of shared data bank interface shape, sing on web Service or Excel file directly to import the mode of data, the data of carrying out between each line loss statistics sub system and unified Controlling line loss application platform are transmitted or information transmission;
Described majority is according to interface synthesis line loss management system of local electric network, XML data library management technology is utilized in database, realize being distributed in the collection of strange land isomeric data, conversion, cleaning and warehouse-in, realize, completely across hardware platform, operating system, programming language, setting up the seamless interconnected mechanism of Data Dynamic and information interaction mechanism real-time;
Described majority is according to interface synthesis line loss management system of local electric network, by each line loss statistics sub system, according to distribution line figure, point circuit, Fen Tai district carry out statistical line losses analysis, realize the data integration with existing power consuming administrative system, load measuring-recording system, line loss system, Load Control Management System, form line loss data warehouse, eliminate information island;
Described majority is according to interface synthesis line loss management system of local electric network, by to the delivery of variety classes user and electricity consumption quantitative statistics and contrast, obtain different types of user's line loss to become more meticulous precise alignment result, thus realize line loss and to become more meticulous comparison, user side information is able to controlled and visual.
Concrete, described different types of user, comprises low-voltage platform area user.
For this type of user, optical fiber is compounded in low-voltage cable, make low-voltage cable while carrying out electric power transfer, have the function of optical fiber communication concurrently, adopt the mode electric quantity data of checking meter of each single-phase intelligent electric energy meter being uploaded to power information acquisition system through concentrator, form the line loss statistics sub system for each low-voltage platform area user.
The electric quantity data of checking meter of described each single-phase intelligent electric energy meter is uploaded to power information acquisition system by optical fiber through concentrator;
In described unified line loss management system of local electric network platform, after total electricity consumption data in total delivery data of the common transformer load measuring-recording instrument platform of each low-voltage platform area user and power information acquisition system are obtained, carry out line loss comparison, thus obtain the line loss Accurate Analysis comparison result of each low-voltage platform area user; The frequency of described low-voltage platform area line loss Accurate Analysis comparison is daily carried out.
Optical fiber described in it lays with low-voltage cable, is implemented to table to family, coordinates optical access device, to solve the end access problem of information highway, the collection of carrying power information, intelligent power two-way interactive business;
Single-phase intelligent electric energy meter described in it is supported the mode that remote pre-payment is supplemented with money to realize remote on/off Electricity Functional by line of electric force, optical fiber or RS485, and can realize auxiliary function of supplementing with money by local infrared communication.
Concrete, described different types of user, also comprises shared line user.
For this type of user, adopt the fuse direct-furnish high voltage customer installation high-voltage electric energy meter that certainly falls under this circuit of electric substation in service area, the mode of load measuring-recording instrument is installed respectively in each pole transformer low-voltage platform area, forms the line loss statistics sub system for each shared line user;
In described unified line loss management system of local electric network platform, to the total electric energy meter on this circuit in the m platform high-voltage electric energy meter in service area under this circuit, a n pole transformer load measuring-recording instrument and Substation Station carry out " m+n is to 1 " with hour for the precise alignment in cycle, thus obtain the comprehensive line loss Accurate Analysis comparison result of shared line; The frequency of described shared line line loss Accurate Analysis comparison is carried out by the hour; M and n is wherein respectively the number of high-voltage electric energy meter number of units and the pole transformer load measuring-recording instrument installed in service area under this circuit.
Load measuring-recording instrument described in it is arranged on the low-pressure side of substation transformer, and the working load point of its transformer and zero sequence loss all directly belong to the line loss of whole shared line; Described high-voltage electric energy meter directly carries out high pressure measurement in high-pressure side.
High-voltage electric energy meter described in it and load measuring-recording instrument adopt GPRS/CDMA public network data upload mode, adopt the method establishment channel link that TCP pattern is activated by timed activation or calling.
Concrete, described different types of user, also comprises dedicated line user.
For this type of user, adopt and the measuring apparatus of station inner high voltage electric power meter as delivery is set in the special line outlet of transformer station, the mode of charging high-voltage electric-energy meter is set in the switchgear building of high pressure large user, forms the line loss statistics sub system for each dedicated line user;
By the delivery data message of each dedicated line user place circuit and power consumption data message, be linked in described unified line loss management system of local electric network platform, compared by unified line loss management system of local electric network platform, thus obtain the line loss Accurate Analysis comparison result of each dedicated line user, and to this circuit study emphasis precise alignment, determine the line loss fluctuation pattern of individual line subscriber; The frequency of described dedicated line line loss Accurate Analysis comparison is daily carried out.
Compared with the prior art, advantage of the present invention is:
1. set up unified, based on the line loss management system of local electric network platform of .NETRemoting software system architecture, delivery data message in various dissimilar line loss statistics sub system and power consumption data message are all linked into unified line loss management system of local electric network platform, on the basis of intelligent grid development, carry out the precise alignment that becomes more meticulous of line loss, the system platform framework of various line loss analyzing comparison type in current power distribution network, database and Interface design, Software Coding and debug function can be supported;
2. achieve and the line loss of shared line user is become more meticulous precise alignment, cleared away the monitoring blind spot under the shared line that load measuring-recording instrument can not cover, solved the line loss data information acquisition problem comprehensively covered; Directly carry out the line loss data analysis of whole shared line at unified line loss management system of local electric network platform, can be as accurate as the line loss completing each shared line at each hour and adjust;
3. majority is distributed line loss compare of analysis system towards whole Line Loss of Distribution Network System range of application according to the comprehensive line loss management system of local electric network framework of interface mode, which obviate and manually carry out data acquisition, gather the work with typing, greatly reduce the labour intensity of line loss statistical computation work, improve efficiency and the accuracy of monthly line loss statistical work, and avoid the problem that data silo that all kinds of dedicated system causes cannot share simultaneously, take full advantage of data channel and the equipment investment of existing types of applications system and terminal device, ensure that the quick of line loss fine-grained management, efficiently, accurately,
4. native system has vector graphics platform that can be mutual, makes Dynamic System very directly perceived, and the editor of distribution line figure and renewal are also very simple, can adapt to the change of distribution line fast, meet reality need.
Accompanying drawing explanation
Fig. 1 is the most system physical framework schematic diagram according to interface synthesis line loss management system of local electric network of the present invention;
Fig. 2 is most system application frame schematic diagram according to interface synthesis line loss management system of local electric network;
Fig. 3 is the power information acquisition system networking schematic diagram of intelligent electricity utilization cell;
Fig. 4 is the conspectus of shared line main electrical scheme;
Fig. 5 is the framework schematic diagram of high-voltage electric energy meter access load measuring-recording instrument system;
Fig. 6 is most management system illustrative view of functional configuration according to interface synthesis line loss management system of local electric network;
Fig. 7 is most Data Source according to interface synthesis line loss management system of local electric network and interface diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
In Fig. 1, the technical program builds distributed majority according to interface synthesis line loss management system of local electric network based on .NETRemoting software system architecture (Framework).
Why adopt .NETRemoting soft ware platform, be surmounted existing networking distributed development platform (as CORBA, DCOM etc.) because this system architecture has comprehensive structure, there is good distributed networked enterprise-level application advantage.XML data library management technology is utilized in database, make to be distributed in the collection of strange land isomeric data, conversion, cleaning and warehouse-in, realize, completely across hardware platform, operating system, programming language, setting up the seamless interconnected mechanism of Data Dynamic and information interaction mechanism real-time.
Line loss based on .NETRemoting becomes more meticulous the information services of employing sing on web Service framework of precise alignment main station system, browser interface based on web is provided, without the need to installing client application, the form directly by browsing just can complete all kinds of operational applications.
Technical scheme of the present invention provides a kind of majority based on intelligent power grid technology according to interface synthesis line loss management system of local electric network, is characterized in:
Based on .NETRemoting software system architecture, build distributed line loss and to become more meticulous precise alignment analytic system, form unified Controlling line loss application platform;
For different types of user, according to the difference of all kinds of load character and all kinds of line form, take corresponding electricity clearing and power information acquisition mode respectively, form the line loss statistics sub system for variety classes user;
Described unified Controlling line loss application platform and the line loss statistics sub system for variety classes user, form majority based on intelligent power grid technology according to interface synthesis line loss management system of local electric network;
Described majority is according to interface synthesis line loss management system of local electric network, utilize Data Source and the interface of existing types of applications system and terminal device data channel, adopt the IDP data access interface of shared data bank interface shape, sing on web Service or Excel file directly to import the mode of data, the data of carrying out between each line loss statistics sub system and unified Controlling line loss application platform are transmitted or information transmission;
Described majority is according to interface synthesis line loss management system of local electric network, XML data library management technology is utilized in database, realize being distributed in the collection of strange land isomeric data, conversion, cleaning and warehouse-in, realize, completely across hardware platform, operating system, programming language, setting up the seamless interconnected mechanism of Data Dynamic and information interaction mechanism real-time;
Described majority is according to interface synthesis line loss management system of local electric network, by each line loss statistics sub system, according to distribution line figure, point circuit, Fen Tai district carry out statistical line losses analysis, realize the data integration with existing power consuming administrative system, load measuring-recording system, line loss system, Load Control Management System, form line loss data warehouse, eliminate information island;
Described majority is according to interface synthesis line loss management system of local electric network, by to the delivery of variety classes user and electricity consumption quantitative statistics and contrast, obtain different types of user's line loss to become more meticulous precise alignment result, thus realize line loss and to become more meticulous comparison, user side information is able to controlled and visual.
It should be noted that, each accompanying drawing in present specification accompanying drawing, all adopt habit of painting or icon in the industry, therefore its concrete meaning and concrete structure no longer describe at this, those skilled in the art, after grasping and having understood thinking and countermeasure that the technical program deals with problems, can the technical program be reproduced completely, obtain similar technique effect and goal of the invention.
In Fig. 2, constructed distributed line loss become more meticulous most according to interface synthesis line loss management system of local electric network can according to distribution line figure divide circuit, Fen Tai district carry out statistical line losses analysis, achieve the business integration with multiple systems such as existing power consuming administrative system, load measuring-recording system, line loss system, Load Control Management System, form line loss data warehouse, eliminate information island.
Unified Controlling line loss platform can also be avoided manually carrying out data acquisition, gathering the tedious work with typing, greatly reduces the labour intensity of line loss statistical computation work, improves the efficiency of line loss statistical work, promptness and accuracy.
Distributed majority fully combines the data acquisition advantage of existing intelligent grid new technology according to interface synthesis line loss management system of local electric network, system achieve all kinds of load character, the line loss of all kinds of line form becomes more meticulous precise alignment.
Due to above-mentioned involved system hardware platform, software systems and database software are prior art, therefore its specific embodiments and each assembly, data transfer mode, networking technology and existing power consuming administrative system between module, load measuring-recording system, line loss system, Load Control Management System are prior art, therefore no longer describe at this.
In Fig. 3, represent the situation of low-voltage platform area user type user with the situation of intelligent power demonstration quarter.
The drop cable of intelligent power demonstration quarter have employed optical fiber composite low-voltage cable (OpticalFiberCompositeLow-voltageCable, OPLC), optical fiber is compounded in low pressure (0.4KV) cable, make cable while carrying out electric power transfer, have the function of optical fiber communication concurrently, reduce integrated cost, it also avoid secondary and to construct the wasting of resources caused.
Optical fiber lays with low-voltage cable, be implemented to table to family, solve the end access problem of information highway, coordinate optical access device, power information collection, intelligent power two-way interactive business can be carried, and while power supply, realize the fusion with telecommunications network, radio and television and internet.
The electricity clearing of low-voltage customer and power information collection, have employed intelligent electric meter technology.
Single-phase intelligent electric energy meter in figure is supported the mode that remote pre-payment is supplemented with money to realize remote on/off Electricity Functional by line of electric force, optical fiber or RS485, and can realize auxiliary function of supplementing with money by local infrared communication.
The electric quantity data of checking meter of intelligent electricity utilization cell single-phase intelligent electric energy meter is uploaded to power information acquisition system through concentrator, assuming that these users belong to the common transformer of city silver 3 casees first, then in unified line loss management system of local electric network platform, obtain laggard line to the data of common transformer load measuring-recording instrument platform of city silver 3 casees first and the data of power information acquisition system and damage comparison, the frequency of line loss Accurate Analysis comparison is daily carried out.
By connecing the comparison of all terminal user's line losses to low-voltage platform area, there is the Controlling line loss in typical low pressure residential electricity consumption platform district and demonstration meaning of opposing electricity-stealing, the line loss analysis of causes can be carried out by line loss comparison.The basis of induction and conclusion combines the suggestion on management measure such as to oppose electricity-stealing, controls the line losses indices of low-voltage platform area well.
In Fig. 4, the typical supplying power allocation form that shared line Shi Ge Utilities Electric Co. is comparatively general, has several Zhuan Biantai district users and Gong Biantai district user under a shared line road, and the electric energy tariff clearing of user side have high-pressure side to measure also has low-pressure side to measure.
Coexisting from fall fuse Firsthand Users and low-voltage platform area user in shared line, makes it have typical load type Biodiversity Characteristics.
In Fig. 5, the load measuring-recording instrument of transformer platform area on shared line king-rod, owing to being arranged on the low-pressure side of substation transformer, the working load point of its transformer and zero sequence loss all directly belong to the line loss of whole shared line.
And high-voltage electric energy meter directly carries out height meter in high-pressure side, overall accuracy of measuring 0.5s level, is conducive to line loss and directly adds up.
Total delivery data of whole shared line are measured by outlet electric energy meter in Substation Station.
In same acquisition time section, the electricity in each pole transformer platform district of shared line is respectively: G1, G2 ..., Gn; The electricity that the high pressure of fuse direct-furnish of falling separately specially becomes user is respectively: S1, S2 ..., Sm, total delivery of shared line by outlet electric energy meter institute quantity calculation in transformer station is: Z, then:
The line loss electricity of shared line is:
The line loss per unit of shared line is:
Certainly the fall fuse direct-furnish high voltage customer installation high-voltage electric energy meter of the technical program under the type circuit in service area, in pole transformer low-voltage platform area, load measuring-recording instrument is installed, above-mentioned two kinds of equipment, through wireless network, internet APN special line and Communication Gateway, carry out data transmission and exchange with unified Controlling line loss platform.Research and the Demonstration Application of multiple metering outfit and multiple alignments can be carried out.
After metering outfit Installation and Debugging, will to m platform high-voltage electric energy meter, a n pole transformer load measuring-recording instrument and electric energy meter in station carry out " m+n is to 1 " with hour for Cycle accurate comparison.
The comparison equipment that shared line uses is subordinated to load measuring-recording instrument system, high-voltage electric energy meter system, unified Controlling line loss plateform system etc. three independently data acquisition platform respectively.
This majority achieves the information integration of three independent platforms according to interface synthesis line loss management system of local electric network.
The line loss realizing shared line becomes more meticulous precise alignment, is the innovation achievement of the technical program in application.
The technical program has cleared away the monitoring blind spot under the shared line that load measuring-recording instrument can not cover, and solves the line loss data information acquisition problem comprehensively covered.Directly carry out the line loss data analysis of whole shared line at unified line loss management system of local electric network platform, can be as accurate as the line loss completing each shared line at each hour and adjust.
As seen from the figure, on the physical channel of communication system, high-voltage electric energy meter and load measuring-recording instrument all have employed GPRS/CDMA public network data upload mode, adopt the method establishment channel link that TCP pattern is activated by timed activation or calling.
The requirements of the communications protocol of high-voltage electric energy meter and the complete compatible load measuring-recording instrument of communication modes adjustment setting energy, the data frame format such as logging in message needs to perform etc. according to " XX Utilities Electric Co. load monitor communication protocol V2.0 " standard completely.
In Fig. 6, this majority is to become more meticulous precise alignment analytic system towards the distributed line loss of whole matching net wire loss range of application according to interface synthesis line loss management system of local electric network, and support vector quantization Dynamic Announce and the drag-and-drop function of distribution topological diagram, support the inquiry of abnormal log, support the inquiry service function of distribution local line loss.
Simultaneously, most according to interface synthesis line loss management system of local electric network data from different terminal devices and server, the terminal comprised has: low pressure single-phase intelligent ammeter and power information gather concentrator, load measuring-recording instrument, metering and billing electric energy meter, high-voltage electric energy meter, load control terminal etc.The type of server comprised has: power information acquisition system, load measuring-recording instrument system, special line line loss system, load control system etc., and data layout, the collection period of all kinds of server are all inconsistent.Therefore, for reaching the comprehensive and validity of line loss analyzing management, unified comprehensive line loss management system of local electric network is built very necessary.
In Fig. 7, the technical program achieves most comprehensive line loss management system of local electric network framework according to interface mode, supports that three class data-interface modes are respectively:
1) shared data bank interface shape;
2) the IDP data access interface of sing on web Service;
3) Excel file directly imports data mode.
This majority is according to the comprehensive line loss management system of local electric network of interface mode, avoid the problem that data silo that all kinds of dedicated system causes cannot be shared, take full advantage of data channel and the equipment investment of existing types of applications system and terminal device, ensure that the quick, efficient, accurate of line loss fine-grained management.
The management of line loss per unit index, except carrying out collection analysis, needs the high line loss per unit situation of Timeliness coverage exception, fast to find the root of line loss per unit sudden change, and queueing problem thus effectively control line loss per unit index.
The part throttle characteristics of special change user is mainly in conjunction with the rule of production and operating activities, and under the normal business circumstance of enterprise, line loss per unit fluctuation is less.May occur the special change user of serious power stealing, line loss per unit index will be suddenlyd change.
During actual use, by setting a comparatively simple line loss forecast model, passing judgment in time based on the line of prediction loss rate of this model and determining line loss abnormal conditions.
Consider that line loss per unit fluctuates little and has certain correlativity with Recent Changes rule, the line of prediction loss rate that model is determined is:
Line of prediction loss rate=history average line loss rate * of 180 days (the nearly three monthly line loss per unit average rates of change of 1+)
On prediction line loss model-based plinth, the criterion of abnormal line loss analyzing is:
(1) for three days on end, every day precise alignment line loss per unit exceeded 4 times of line of prediction loss rate.
(2) continuous 1 week, every day, the line loss per unit of precise alignment exceeded 2 times of line of prediction loss rate;
(3) the precise alignment line loss per unit of this month actual has exceeded 50% of line of prediction loss rate.
The power load characteristic of low-voltage platform area is mainly in conjunction with resident living rule.Load rule principal element has the peak times of power consumption in repeatability weekly, summer and winter.Accidental abnormal wire loss rate comprised that obviously to cross the deviation of measuring apparatus in underload (being less than rated current 1%) situation larger.But the fluctuation of line loss per unit should be little under normal circumstances.The line of prediction loss rate that model is determined can continue to use the line of prediction loss rate method specially becoming user.The root that abnormal wire loss rate occurs may be that the power consumption of bad user falls suddenly.By checking that the reason eliminating line loss exception examined by resident's ammeter of power consumption sudden change.
The line loss analyzing of shared line is the most complicated, and principal feature comprises: the substation transformer loss of low-voltage platform area, certainly to fall the power load variation of the comparison data source confidence level of fuse Firsthand Users, low-voltage platform area and Firsthand Users.Therefore the line loss analyzing of shared line soluble way technological means has:
(1) monitor substation transformer real work load by load measuring-recording instrument platform, often to account for the ratio of transformer capacity lower for load, and transformer loss is larger.By setting up the attrition table under substation transformer different load point, line loss system directly obtains the loss of electricity data of substation transformer with lookup table mode.
(2) monitored the tri-phase unbalance factor of substation transformer by load measuring-recording instrument platform, often three-phase imbalance is more serious, and the zero sequence loss of isolated neutral system will be larger.Set up the contingency table of tri-phase unbalance factor index and the loss of transformer zero sequence by research, line loss system directly obtains the degree of unbalancedness waste of substation transformer with lookup table mode.Also need to combine in conjunction with the attrition table under transformer different load point to carry out transformer loss research simultaneously.
(3) the power consumption monitoring means of fuse Firsthand Users of certainly falling needs to adopt the direct metered scheme of believable high voltage electric energy, and on high-tension side massive quantity power supply and measurement can stop stealing, ensures the acquisition of comparison data, accurate, credible.
There is abnormal line loss alarm in comprehensive line loss management system of local electric network after, implementing with regard to needing the inspection that metering teams and groups carry out equipment, if equipment is errorless, needing to carry out power utility check supervision.
The technical program is based on intelligent electric meter information acquisition terminal technology, high-voltage electric energy meter technological means, the distributed line loss set up becomes more meticulous the line loss Accurate Analysis comparison that precise alignment analytic system is carried out daily, monthly, by the hour for dissimilar circuit respectively, and in conjunction with the Timeliness coverage of abnormal line loss, the mode being distributed to management owner to eject warning information frame or alarm message reminds keeper to carry out management work.
The application of the technical program combined with intelligent electric power network technique, establishes most according to interface synthesis line loss management system of local electric network, has possessed the basic function realizing low-voltage platform area comparison, shared line comparison, dedicated line comparison.
Intelligent power grid technology achievement is applied transformations to line loss and becomes more meticulous in precise alignment work by the technical program preferably, achieve the line loss precise alignment application of line loss comparison work combined with intelligent electricity consumption community, low-voltage platform area, achieve shared line mesohigh electric energy meter technology and incorporate load measuring-recording instrument platform cleaning monitoring blind area.
It adopts high-voltage electric energy meter technology to achieve the power consumption information acquisition of shared line from the fuse direct-furnish large user that falls, clear away the monitoring blind spot existing for traditional load instrument for measuring and recording system schema, make the precise alignment work that becomes more meticulous of the line loss of shared line become possibility.
Native system can realize with the data-interface of other power automatic system and be connected, the data of multiple system are carried out integrated, form line loss data warehouse, eliminate information island, avoid simultaneously and manually carry out data acquisition, gather the work with typing, greatly reduce the labour intensity of line loss statistical computation work, improve efficiency and the accuracy of monthly line loss statistical work.
Native system has vector graphics platform that can be mutual, makes Dynamic System very directly perceived, and the editor of distribution line figure and renewal are also very simple, can adapt to the change of distribution line fast, meet reality need.
Native system according to different electric quantity data acquisition type, can by the hour, pro data statistical line losses, grasp line loss situation over time.
The deployment way that native system adopts database server to be separated with application server, improves the stability of system, reliability and extensibility.
The present invention can be widely used in operating analysis and the management of power use field of electric system.
Claims (5)
1. one kind based on the majority of intelligent power grid technology according to interface synthesis line loss management system of local electric network, described majority according to interface synthesis line loss management system of local electric network based on .NETRemoting software system architecture, build distributed line loss to become more meticulous precise alignment analytic system, form unified Controlling line loss application platform; For different types of user, according to the difference of all kinds of load character and all kinds of line form, take corresponding electricity clearing and power information acquisition mode respectively, form the line loss statistics sub system for variety classes user; Described unified Controlling line loss application platform and the line loss statistics sub system for variety classes user, form majority based on intelligent power grid technology according to interface synthesis line loss management system of local electric network; Described majority is according to interface synthesis line loss management system of local electric network, utilize Data Source and the interface of existing types of applications system and terminal device data channel, adopt the IDP data access interface of shared data bank interface shape, sing on web Service or Excel file directly to import the mode of data, the data of carrying out between each line loss statistics sub system and unified Controlling line loss application platform are transmitted or information transmission; Described majority is according to interface synthesis line loss management system of local electric network, XML data library management technology is utilized in database, realize being distributed in the collection of strange land isomeric data, conversion, cleaning and warehouse-in, realize, completely across hardware platform, operating system, programming language, setting up the seamless interconnected mechanism of Data Dynamic and information interaction mechanism real-time; Described majority is according to interface synthesis line loss management system of local electric network, by each line loss statistics sub system, according to distribution line figure, point circuit, Fen Tai district carry out statistical line losses analysis, realize the data integration with existing power consuming administrative system, load measuring-recording system, line loss system, Load Control Management System, form line loss data warehouse, eliminate information island; Described majority is according to interface synthesis line loss management system of local electric network, by to the delivery of variety classes user and electricity consumption quantitative statistics and contrast, obtain different types of user's line loss to become more meticulous precise alignment result, thus realize line loss and to become more meticulous comparison, user side information is able to controlled and visual; Wherein, described different types of user, comprises low-voltage platform area user, shared line user and dedicated line user; It is characterized in that:
For shared line user, adopt the fuse direct-furnish high voltage customer installation high-voltage electric energy meter that certainly falls under this circuit of electric substation in service area, the mode of load measuring-recording instrument is installed respectively in each pole transformer low-voltage platform area, forms the line loss statistics sub system for each shared line user;
For dedicated line user, adopt and the measuring apparatus of station inner high voltage electric power meter as delivery is set in the special line outlet of transformer station, the mode of charging high-voltage electric-energy meter is set in the switchgear building of high pressure large user, forms the line loss statistics sub system for each dedicated line user.
2. according to the majority based on intelligent power grid technology according to claim 1 according to interface synthesis line loss management system of local electric network, it is characterized in that in described unified line loss management system of local electric network platform, to the total electric energy meter on this circuit in the m platform high-voltage electric energy meter in service area under shared line subscriber's line, a n pole transformer load measuring-recording instrument and Substation Station carry out " m+n is to 1 " with hour for the precise alignment in cycle, thus obtain the comprehensive line loss Accurate Analysis comparison result of shared line; The frequency of described shared line line loss Accurate Analysis comparison is carried out by the hour; M and n is wherein respectively the number of high-voltage electric energy meter number of units and the pole transformer load measuring-recording instrument installed in service area under this circuit.
3. according to the majority based on intelligent power grid technology according to claim 2 according to interface synthesis line loss management system of local electric network, it is characterized in that described load measuring-recording instrument is arranged on the low-pressure side of substation transformer, the working load point of its transformer and zero sequence loss all directly belong to the line loss of whole shared line; Described high-voltage electric energy meter directly carries out high pressure measurement in high-pressure side.
4. according to the majority based on intelligent power grid technology according to claim 2 according to interface synthesis line loss management system of local electric network, it is characterized in that described high-voltage electric energy meter and load measuring-recording instrument adopt GPRS/CDMA public network data upload mode, adopt the method establishment channel link that TCP pattern is activated by timed activation or calling.
5. according to the majority based on intelligent power grid technology according to claim 1 according to interface synthesis line loss management system of local electric network, it is characterized in that for described dedicated line user, by the delivery data message of each dedicated line user place circuit and power consumption data message, be linked in described unified line loss management system of local electric network platform, compared by unified line loss management system of local electric network platform, thus obtain the line loss Accurate Analysis comparison result of each dedicated line user, and to this circuit study emphasis precise alignment, determine the line loss fluctuation pattern of individual line subscriber; The frequency of described dedicated line line loss Accurate Analysis comparison is daily carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210189503.9A CN102722851B (en) | 2012-06-08 | 2012-06-08 | A kind of majority based on intelligent power grid technology is according to interface synthesis line loss management system of local electric network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210189503.9A CN102722851B (en) | 2012-06-08 | 2012-06-08 | A kind of majority based on intelligent power grid technology is according to interface synthesis line loss management system of local electric network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102722851A CN102722851A (en) | 2012-10-10 |
| CN102722851B true CN102722851B (en) | 2015-11-18 |
Family
ID=46948598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210189503.9A Active CN102722851B (en) | 2012-06-08 | 2012-06-08 | A kind of majority based on intelligent power grid technology is according to interface synthesis line loss management system of local electric network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102722851B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969711A (en) * | 2012-11-22 | 2013-03-13 | 安徽省电力公司黄山供电公司 | Line loss control system |
| CN103217958B (en) * | 2013-03-29 | 2015-12-09 | 山东电力集团公司 | Electricity based on GIS platform is purchased for selling integral system and method |
| CN105321008B (en) * | 2014-06-17 | 2020-09-04 | 国网山西省电力公司电力科学研究院 | Distributed low-voltage transformer area line loss calculation and analysis system |
| CN104104148A (en) * | 2014-06-20 | 2014-10-15 | 国家电网公司 | Real-time line loss intelligent monitoring, analyzing and positioning system |
| CN105303318A (en) * | 2015-10-30 | 2016-02-03 | 国家电网公司 | Trans-regional power grid transaction settlement processing method based on deviation electric quantity responsibility judgment |
| CN105634132B (en) * | 2016-01-31 | 2018-02-02 | 江苏金友电气有限公司 | A kind of 10kV low-voltage intelligent distribution network systems with no-power compensation function |
| CN105930424A (en) * | 2016-04-19 | 2016-09-07 | 国网重庆市电力公司电力科学研究院 | Method for realizing online asynchronous acquisition and intelligent mining of power distribution network data |
| CN107229817B (en) * | 2017-04-19 | 2020-08-25 | 华电电力科学研究院有限公司 | Photovoltaic power station dust shielding loss analysis method |
| CN108092410A (en) * | 2017-12-22 | 2018-05-29 | 国网河北省电力有限公司安平县供电分公司 | Data cloud line loss analyzing platform |
| CN110932403B (en) * | 2019-12-11 | 2021-11-05 | 太原市优特奥科电子科技有限公司 | Line loss information acquisition method, system and processing equipment |
| CN113988695B (en) * | 2021-11-11 | 2023-11-28 | 国网江苏省电力有限公司扬州供电分公司 | Semantic model and multi-source data-based power grid layered line loss analysis method |
| CN114243918A (en) * | 2021-12-16 | 2022-03-25 | 西安博展电力技术有限公司 | Join in marriage net double balance intelligence management and control system |
| CN114295878B (en) * | 2021-12-30 | 2024-03-19 | 广东电网有限责任公司 | District electricity utilization management system and district electricity utilization management method |
| CN115796711A (en) * | 2023-02-06 | 2023-03-14 | 佰聆数据股份有限公司 | Auxiliary decision-making method and device for loss reduction of distribution line |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102084569B (en) * | 2008-05-09 | 2014-02-19 | 埃森哲环球服务有限公司 | Method and system for managing a power grid |
-
2012
- 2012-06-08 CN CN201210189503.9A patent/CN102722851B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 配电网线损自动生成及在线分析的研究与实践;钱奇;《中国优秀硕士学位论文全文数据库》;20090215(第2期);正文第16页第1段-第50页最后1段 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102722851A (en) | 2012-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102722851B (en) | A kind of majority based on intelligent power grid technology is according to interface synthesis line loss management system of local electric network | |
| CN102707156B (en) | Method for finely and accurately comparing line losses based on smart-grid technology | |
| Saleem et al. | Design, implementation, and deployment of an IoT based smart energy management system | |
| Dike et al. | Minimizing household electricity theft in Nigeria using GSM based prepaid meter | |
| US20100292857A1 (en) | Electrical network command and control system and method of operation | |
| CN105337308A (en) | Grid-side regional distributed photovoltaic operation and maintenance management system and management method | |
| CN104779699A (en) | Multifunctional station line loss management system | |
| JP2011523545A (en) | Method and system for managing a power grid | |
| CN102231171A (en) | Calculation, comparison, analysis and loss reduction method for statistical line loss and theoretical line loss | |
| CN205121624U (en) | Distribution network economical operation and optimization analysis system | |
| CN104297616A (en) | 10kV distribution line breaking detection method based on multi-system information interaction | |
| CN103632224A (en) | Automatic management system of electric power meter | |
| CN103926552A (en) | Electricity utilization information collecting simulation testing platform | |
| CN104269040A (en) | Power utilization information acquisition and orderly power utilization management system | |
| CN104218569A (en) | Evaluative analysis method for static security check of large-scaled power grid | |
| CN105048456A (en) | Loss-reducing and energy-saving management method and system applied to intelligent metering platform | |
| CN116012189A (en) | Electric power facility flood disaster-stricken space heterogeneity analysis method and system | |
| Bragatto et al. | Innovative tools for demand response strategies: a real-life experience | |
| CN201270432Y (en) | Synthetic electricity distribution box apparatus | |
| Chao et al. | An improvement project for distribution transformer load management in Taiwan | |
| CN109245109A (en) | A kind of power supply low-voltage early warning system and method | |
| CN104601646A (en) | Oilfield electric power intelligent analyzing and optimizing energy efficiency management system | |
| Güçyetmez et al. | A Real-Time Invoice Based Smart Meter Design with Mobile Application | |
| CN205583848U (en) | Intelligent ammeter cabinet | |
| CN201717675U (en) | Electric energy service effect guaranteeing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20121010 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121010 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant after: Shanghai Electric Power Corporation Applicant after: State Grid Corporation of China Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant before: Shanghai Electric Power Corporation |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |