CN104200302A - Technical framework and method for power enterprise simultaneous line loss management - Google Patents

Technical framework and method for power enterprise simultaneous line loss management Download PDF

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Publication number
CN104200302A
CN104200302A CN201410380191.9A CN201410380191A CN104200302A CN 104200302 A CN104200302 A CN 104200302A CN 201410380191 A CN201410380191 A CN 201410380191A CN 104200302 A CN104200302 A CN 104200302A
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China
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line loss
management
data
model
statistics
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CN201410380191.9A
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Chinese (zh)
Inventor
张宁
方建亮
董丽丽
姜巍
马一飞
沈沉
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ZHEJIANG CREAWAY AUTOMATION ENGINEERING Co Ltd
ZHEJIANG ELECTRIC POWER ELECTRON TECHNOLOGY Co
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Original Assignee
ZHEJIANG CREAWAY AUTOMATION ENGINEERING Co Ltd
ZHEJIANG ELECTRIC POWER ELECTRON TECHNOLOGY Co
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
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Priority to CN201410380191.9A priority Critical patent/CN104200302A/en
Publication of CN104200302A publication Critical patent/CN104200302A/en
Pending legal-status Critical Current

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Abstract

The invention provides a technical framework and a method for power enterprise simultaneous line loss management so as to improve line loss analysis accuracy. The technical framework for the power enterprise simultaneous line loss management comprises a data layer, a service layer, an application layer and a presentation layer. The method for the power enterprise simultaneous line loss management includes steps: 1) collecting data: collecting the data needed by the power enterprise simultaneous line loss management; 2) building a line loss module: building an overall line loss module, a transformer substation line loss module, a circuit line loss module and a transformer district line loss module; 3) calculating line loss: resolving the line loss module, extracting metering point data and calculating line loss rate. In allusion to particularity of the power enterprise simultaneous line loss management, the technical framework which can achieve the power enterprise simultaneous line loss management well is provided, and simultaneously the method for the power enterprise simultaneous line loss management is provided. Furthermore, the technical framework and the method for the power enterprise simultaneous line loss management achieve the function of performing the power enterprise simultaneous line loss management through technological means of data synchronization, quartile line loss statistics and the like, reduce power supply cost, and improve economic benefit of a power supply enterprise.

Description

Technical Architecture and method for the management of the electric power enterprise line loss same period
Technical field
The invention belongs to power domain, be specifically related to a kind of Technical Architecture and method for the management of the electric power enterprise line loss same period.
Background technology
Line loss management is a vital task of electric power enterprise, the distinct issues that exist in line loss management be at present exactly due to the Time Inconsistency of checking meter for the clearing of sale of electricity side cause for sale of electricity same period not.For selling asynchronous line loss statistical, easily cause line loss per unit fluctuation fluctuated and appearance " negative damage " etc. to depart from the statistics of actual conditions, be unfavorable for truly reflecting operation loss of power grids, seriously restricted the lifting of line loss statistical accuracy and line loss management level, for carrying out Guo Wang company line loss same period management related request, the management work of strengthening line loss, guarantee that electric weight line loss management by synchronization system is accurate, reliability service, promote the inter-sectional communication cooperation of system applies, better performance line loss system Social benefit and economic benefit, therefore need design a kind of for the Technical Architecture of electric power enterprise line loss same period management and the method that realizes the management of the electric power enterprise line loss same period, and then dissolve for selling asynchronous problem.
Summary of the invention
The problem existing for solving prior art, the present invention proposes a kind of Technical Architecture and method for the management of the electric power enterprise line loss same period, for this reason, the present invention by the following technical solutions:
Technical Architecture for the management of the electric power enterprise line loss same period, comprises from top to bottom successively:
Data Layer: for storing the required data of the line loss same period, comprise image data, file data, supplemental characteristic.
Service layer: be used to application that the intermediary service of demonstration, management is provided, adopt the mode of middleware component to realize, various fine-grained services are carried out to effective layout, generate the coarse granularity services for various application;
Application layer: for completing the application of information acquisition traffic aided, comprise supporting tool and service application;
Presentation layer: for representing of data, adopt B/S architectural framework.
Preferably, described service layer comprises data access service, graphical services, messenger service, alerting service, rights service and Report Forms Service.
Preferably, described supporting tool comprises graphics system, reporting system, DBMS system, network system, and described service application comprises: base profile management, " four minutes " line loss statistics, theory wire loss calculating, the real-time line loss statistics of circuit, line loss tabulate statistics, line loss data analysis, line loss comprehensive evaluation, line loss information inquiry, electric energy balance management, supply and distribution statistics, Report Server Management, visual presentation, system management, interface management.
Method for the management of the electric power enterprise line loss same period, comprising:
The step of data acquisition: gather the data that electric power enterprise line loss same period administrative institute needs.
Create the step of line loss model: set up overall line loss model, transformer station's line loss model, circuit line loss model, platform district line loss model.
The step that line loss is calculated: comprise stoichiometric point data pick-up, line loss per unit calculating.
Preferably, the step of described data acquisition comprises: from Electric Energy Acquisition System, gather bulk sale critical point, substation bus bar critical point, feeder line critical point metric data, from intelligence, the public monitoring system that becomes gathers the public critical point metric data that becomes, and gathers the metric data that specially becomes user and low-voltage customer in power information acquisition system.
Preferably, the step of described data acquisition also comprises: from PMS system, gather power grid model, gathering geographic position information from GIS platform.
Preferably, described overall line loss model is: overall line loss=transforming plant lead-in input electric weight-total electricity sales amount; Described transformer station line loss model comprises that full station track damages model, main transformer line loss model and bus balance model, described full station track damages model: full station track damage=transforming plant lead-in is inputted electric weight-transformer station outlet output electric weight, and described main transformer line loss model is: main transformer line loss=main transformer primary side input electric weight-main transformer secondary side output electric weight; Described bus balance model is each electric pressure bus balance=main transformer secondary side output electric weight-transformer station corresponding voltage grade circuit output electric weight summation; Described circuit line loss model is: circuit line loss=circuit input electric weight-Gong Biantai district critical point electric weight-specially become user's electric weight; Critical point, line loss=Gong Biantai district, line loss model Wei Tai district, described district electric weight-low-voltage customer electric weight.
Preferably, also comprise the step of line loss statistics, the electric quantity data that participates in each stoichiometric point of line loss statistics adopts the data of same time point collection.
Preferably, described subregion line loss statistics is carried out line loss statistics by division of the power supply area for several administrative units to administer electrical network, by setting up subregion line loss statistical model, per diem, the moon, year statistical line losses rate; Described dividing potential drop line loss statistics is carried out line loss statistics to administer electrical network by different electric pressures, by setting up dividing potential drop line loss statistical model, per diem, month, year add up 10kv, 0.4kv electric pressure statistical line losses rate; Described separated time line loss statistics is added up the discrete component electric energy loss of each electric pressure main equipment in administer electrical network, by setting up circuit line loss statistical model, per diem, month, year add up 10kv circuit line loss per unit; Described district line loss statistics added up the power supply area electric energy loss of each public substation transformer in administer electrical network, by setting up platform district line loss statistical model, per diem, month, year add up platform district line loss per unit.
By implementing the present invention, can obtain following useful technique effect:, line loss synchronous by data calculated, and realizes the management of the electric power enterprise line loss same period, improves the effect of electric power enterprise line loss same period management.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with specific embodiment, the present invention is further illustrated:
For promoting line loss analyzing accuracy, the present invention proposes a kind of Technical Architecture and method for the management of the electric power enterprise line loss same period.
Technical Architecture for the management of the electric power enterprise line loss same period, comprising:
Data Layer: for storing the required data of the line loss same period; The data of data Layer storage comprise image data, file data, supplemental characteristic, and its data Layer adopts ORACLE database, is divided into spatial database and Service Database.
Service layer: be used to application that the intermediary service of demonstration, management is provided, comprise data access service, graphical services, messenger service, alerting service, rights service and Report Forms Service, adopt the mode of middleware component to realize, various fine-grained services are carried out to effective layout, generate the coarse granularity services for various application;
Application layer: for completing the application of information acquisition traffic aided, comprise supporting tool and service application, wherein supporting tool comprises graphics system, reporting system, DBMS system, network system, and service application comprises: base profile management, " four minutes " line loss statistics, theory wire loss calculating, the real-time line loss statistics of circuit, line loss tabulate statistics, line loss data analysis, line loss comprehensive evaluation, line loss information inquiry, electric energy balance management, supply and distribution statistics, Report Server Management, visual presentation, system management, interface management.
Presentation layer: for representing of data.Presentation layer adopts B/S (browser/server) architectural framework, on JAVAEE (J2EE) platform base, develops.System WEB application, based on Struts-MVC Development of Framework, adopts MVC pattern, adopts AJAX technology aspect interface assembly, the interface of B/S mode is had and traditional C/S interface phase like abundant interface element and powerful operating function.Employing technology comprises Tree, Grid, the UI control such as Potal, Tab of Ext2.0; Dojo; DWR; FusionCharts.
Method for the management of the electric power enterprise line loss same period, comprising:
The step of data acquisition: gather the data that electric power enterprise line loss same period administrative institute needs.From Electric Energy Acquisition System, gather bulk sale critical point, substation bus bar critical point, feeder line critical point metric data, from intelligence, the public monitoring system that becomes gathers the public critical point metric data that becomes, in power information acquisition system, gather the metric data that specially becomes user and low-voltage customer, from PMS system, gather power grid model, gathering geographic position information from GIS platform.
Create the step of line loss model: set up overall line loss model, transformer station's line loss model, circuit line loss model, platform district line loss model.Overall situation line loss model is: overall line loss=transforming plant lead-in input electric weight-total electricity sales amount; Transformer station's line loss model comprises that full station track damages model, main transformer line loss model and bus balance model, full station track damages model: full station track damage=transforming plant lead-in is inputted electric weight-transformer station outlet output electric weight, and main transformer line loss model is: main transformer line loss=main transformer primary side input electric weight-main transformer secondary side output electric weight; Bus balance model is each electric pressure bus balance=main transformer secondary side output electric weight-transformer station corresponding voltage grade circuit output electric weight summation; Circuit line loss model is: circuit line loss=circuit input electric weight-Gong Biantai district critical point electric weight-specially become user's electric weight; Line loss model Wei Tai district, platform district critical point, line loss=Gong Biantai district electric weight-low-voltage customer electric weight.
The step that line loss is calculated: comprise stoichiometric point data pick-up, line loss per unit calculating.Line loss model according to setting up, extracts corresponding stoichiometric point data, and then calculates line loss per unit.
The step of line loss statistics: when carrying out line loss statistics, the electric quantity data that participates in each stoichiometric point of calculating must be in " same time point ", the data that adopt same time point to gather are calculated, the accuracy that guarantee calculates like this, as: each stoichiometric point all adopts the data at " zero point " to calculate; When carrying out line loss statistical computation, the minimum of the electric quantity data of each stoichiometric point gathers granularity, adopts identical frequency acquisition, if smallest particles degree is " day ".The step of line loss statistics comprises subregion line loss statistics, dividing potential drop line loss statistics, separated time line loss statistics He Tai district line loss statistics, subregion line loss statistics is carried out line loss statistics by division of the power supply area for several administrative units to administered electrical network, set up subregion line loss statistical model, per diem, month, year statistical line losses rate; Dividing potential drop line loss statistics is carried out line loss statistics to administer electrical network by different electric pressures, by setting up dividing potential drop line loss statistical model, per diem, month, year add up 10kv, 0.4kv electric pressure statistical line losses rate; Separated time line loss statistics is added up the discrete component electric energy loss of each electric pressure main equipment in administer electrical network, by setting up circuit line loss statistical model, per diem, month, year add up 10kv circuit line loss per unit; Line loss statistics in platform district is added up the power supply area electric energy loss of each public substation transformer in administer electrical network, by setting up platform district line loss statistical model, per diem, month, year add up platform district line loss per unit.
Actual making carried out before the line loss management same period in this way,, to administering for sale of electricity data, by basis, collection, measuring point, interface, reinspection, six links of increment, complete the same period according to improvement.
One: seven large shoring of foundation system of link is administered; The same period, peripheral system adopted combined governance enterprise schema, and by development of company, portion takes the lead, and sales department, O&M maintenance portion, regulation and control center, Information Technology Department, letter reduction of fractions to a common denominator company assist.Treatment range comprises that PMS production system, GIS platform, Electric Energy Acquisition System, intelligent public change monitoring system, power information acquisition system, battalion join perforation system and sea large support system data of database 7 while proving to be true after interrogation.Management goal be make support system possess production environment operation, data comprehensively, defect processing, new/to change and show more new technological process, strictly follow the key elements such as state's network mark standard.This link is the condition precedent of carrying out the work same period.
Link two: gather all standing and administer.All standing comprises critical point, equipment, all standing of intelligent meter meter three aspects:, i.e. seven kind equipments: public transformer substation, power plant, master, distribution line, public change, special change, low-voltage customer need to be reached and gather coverage rate target.In governance process, first according to carrying out " trying to know the real circumstances of a family " by extraction system index, then according to critical point type, install table additional and take into account collecting device.
Link three: perforation, measuring point combing are joined by battalion.This link is that data are administered key link, is divided into battalion and joins perforation and measuring point mathematics two parts.The emphasis of administering is to strengthen field data to verify, by system contrast and unified between marketing, fortune inspection, and compacting data basis.Data are administered content and are comprised dynamically station-line-change-family incidence relation, stoichiometric point generaI investigation, measuring point correspondence and the foundation of line loss model and verification accurately of foundation.
1, stand-line-change-family relation is corresponding: rely on battalion to join operation flow collaboration system, based on battalion, join the data of same source administrative mechanism, to produce grid equipment and marketing subscriber equipment carry out associated integrated, the incidence relation normality maintenance of realization station-line-change-family.
2, stoichiometric point generaI investigation: carry out send out, defeated, become, join, with metering all standing, collection all standing generaI investigation and the control of each stoichiometric point relating to of links (district's gateway mouth, power plant critical point, transformer station critical point, feeder line critical point, publicly become critical point, specially become user and low-voltage customer etc.).
3, measuring point is corresponding: set up main transformer and enter (going out) mouthful stoichiometric point, circuit critical point stoichiometric point and scheduling Electric Energy Acquisition System electric weight measuring point, SCADA system loading measuring point corresponding relation, and upgrade in synchronization system.
4, quartile damages model foundation and verifies: in synchronization system, set up subregion, dividing potential drop and major network circuit line loss analyzing model, and supply to sell critical point data check.
Link four: interface configuration is administered.According to state's net company standard, intersystem interface and data transmission adopt data center or sea news database schema.Interface configuration between the same period line loss and seven large support systems, developing department should the section's of strictly observing letter, the regulation of Xin Tong department.
Link five: data governance quality is rechecked.According to aforementioned working result, for sale of electricity critical point data, substantially gather to synchronization system, this link is abnormal and artificial arrange distinguish method by synchronization system self check, rechecks comprehensive, the correctness of image data, instead look into peripheral support system running quality, guarantee that data administer achievement.
Link six: incremental data is synchronously administered.Load cutover, circuit reconfiguration, newly go up user and will complete interpolation in strict accordance with flow process in marketing system, and upgraded in system inter-sync by the special maintainer of developer's synchronization system, accomplish comprehensive improvement of storage, incremental data, complete closed loop.
The present invention, singularity for the management of the electric power enterprise line loss same period, proposed to realize better the Technical Architecture of the line loss management same period, method for the management of the electric power enterprise line loss same period has been proposed simultaneously, synchronous by data, the technological means such as statistics of damaging quartile have realized the function of electric power enterprise line loss same period management, utilize the real-time data collection of each link electric weight, guarantee to supply, sell the same period, realize " technical loss optimization, management line loss minimizes " damage theory falls, make line loss specialized management turn to science by extensive style, the benign cycle of standard, thereby reduction power supply cost, improve power supply enterprise's economic benefit.
These are only specific embodiments of the invention, but technical characterictic of the present invention is not limited to this, any those skilled in the art is in the field of the invention, and the variation of doing or modification are all encompassed among the scope of the claims of the present invention.

Claims (10)

1. for the Technical Architecture of electric power enterprise line loss same period management, it is characterized in that: comprise successively from top to bottom:
Data Layer: for storing the required data of the line loss same period, comprise image data, file data, supplemental characteristic.
Service layer: be used to application that the intermediary service of demonstration, management is provided, adopt the mode of middleware component to realize, various fine-grained services are carried out to effective layout, generate the coarse granularity services for various application;
Application layer: for completing the application of information acquisition traffic aided, comprise supporting tool and service application;
Presentation layer: for representing of data, adopt B/S architectural framework.
2. the Technical Architecture for the management of the electric power enterprise line loss same period as claimed in claim 1, is characterized in that: described service layer comprises data access service, graphical services, messenger service, alerting service, rights service and Report Forms Service.
3. the Technical Architecture for electric power enterprise line loss same period management as claimed in claim 1, it is characterized in that: described supporting tool comprises graphics system, reporting system, DBMS system, network system, and described service application comprises: base profile management, " four minutes " line loss statistics, theory wire loss calculating, the real-time line loss statistics of circuit, line loss tabulate statistics, line loss data analysis, line loss comprehensive evaluation, line loss information inquiry, electric energy balance management, supply and distribution statistics, Report Server Management, visual presentation, system management, interface management.
4. for the method for electric power enterprise line loss same period management, it is characterized in that:
Comprise:
The step of data acquisition: gather the data that electric power enterprise line loss same period administrative institute needs;
Create the step of line loss model: set up overall line loss model, transformer station's line loss model, circuit line loss model, platform district line loss model;
The step that line loss is calculated: comprise stoichiometric point data pick-up, line loss per unit calculating.
5. the method for electric power enterprise line loss same period management as claimed in claim 4, it is characterized in that: the step of described data acquisition comprises: from Electric Energy Acquisition System, gather bulk sale critical point, substation bus bar critical point, feeder line critical point metric data, from intelligence, the public monitoring system that becomes gathers the public critical point metric data that becomes, and gathers the metric data that specially becomes user and low-voltage customer in power information acquisition system.
6. the method for the management of the electric power enterprise line loss same period as claimed in claim 4, is characterized in that: the step of described data acquisition also comprises: from PMS system, gather power grid model, gathering geographic position information from GIS platform.
7. the method for the management of the electric power enterprise line loss same period as claimed in claim 4, is characterized in that: described overall line loss model is: overall line loss=transforming plant lead-in input electric weight-total electricity sales amount; Described transformer station line loss model comprises that full station track damages model, main transformer line loss model and bus balance model, described full station track damages model: full station track damage=transforming plant lead-in is inputted electric weight-transformer station outlet output electric weight, and described main transformer line loss model is: main transformer line loss=main transformer primary side input electric weight-main transformer secondary side output electric weight; Described bus balance model is: each electric pressure bus balance=main transformer secondary side output electric weight-transformer station corresponding voltage grade circuit output electric weight summation; Described circuit line loss model is: circuit line loss=circuit input electric weight-Gong Biantai district critical point electric weight-specially become user's electric weight; Critical point, line loss=Gong Biantai district, line loss model Wei Tai district, described district electric weight-low-voltage customer electric weight.
8. the method for the management of the electric power enterprise line loss same period as claimed in claim 4, is characterized in that: also comprise the step of line loss statistics, the data that the electric quantity data of each stoichiometric point of participation line loss statistics adopts same time point to gather.
9. the method for electric power enterprise line loss same period management as claimed in claim 4, it is characterized in that: line loss statistics comprises subregion line loss statistics, dividing potential drop line loss statistics, separated time line loss statistics, platform district line loss statistics, described subregion line loss statistics is carried out line loss statistics by division of the power supply area for several administrative units to administered electrical network, set up subregion line loss statistical model, per diem, month, year statistical line losses rate; Described dividing potential drop line loss statistics is carried out line loss statistics to administer electrical network by different electric pressures, by setting up dividing potential drop line loss statistical model, per diem, month, year add up 10kv, 0.4kv electric pressure statistical line losses rate; Described separated time line loss statistics is added up the discrete component electric energy loss of each electric pressure main equipment in administer electrical network, by setting up circuit line loss statistical model, per diem, month, year add up 10kv circuit line loss per unit; Described district line loss statistics added up the power supply area electric energy loss of each public substation transformer in administer electrical network, by setting up platform district line loss statistical model, per diem, month, year add up platform district line loss per unit.
10. the method for electric power enterprise line loss same period management as claimed in claim 4, it is characterized in that: before the step of described data acquisition, also comprise and the step to administering for sale of electricity data complete the same period according to improvement by basis, collection, measuring point, interface, reinspection, six links of increment.
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CN104467193A (en) * 2014-12-29 2015-03-25 国家电网公司 Four-division line loss quasi real-time on-line monitoring scheme based on daily frequentness monitoring
CN104951866A (en) * 2015-05-19 2015-09-30 广西大学 Line loss comprehensive-management benchmarking evaluating system and method for county-level power enterprises
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CN108492058A (en) * 2018-05-28 2018-09-04 国网江西省电力有限公司南昌供电分公司 A kind of Controlling line loss method
CN109188204A (en) * 2018-09-07 2019-01-11 济南大学 The power distribution network theoretical line loss caluclation method of meter and small power supply
CN109188204B (en) * 2018-09-07 2020-07-03 济南大学 Power distribution network theoretical line loss calculation method considering small power supply
CN109683059A (en) * 2018-12-30 2019-04-26 国网北京市电力公司 Determine method and device, the storage medium, processor of line loss exception
CN109683059B (en) * 2018-12-30 2021-06-22 国网北京市电力公司 Method and device for determining line loss abnormity, storage medium and processor
CN113419137A (en) * 2021-06-23 2021-09-21 南方电网数字电网研究院有限公司 Power distribution network line loss fine management system based on big data fusion technology

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