CN103927693A - Distribution network line loss management system - Google Patents

Distribution network line loss management system Download PDF

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Publication number
CN103927693A
CN103927693A CN201410136204.8A CN201410136204A CN103927693A CN 103927693 A CN103927693 A CN 103927693A CN 201410136204 A CN201410136204 A CN 201410136204A CN 103927693 A CN103927693 A CN 103927693A
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China
Prior art keywords
loss
module
distribution
information
meritorious
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Inventor
贾雅君
许晓斌
李焱
李欣
李智玲
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SHANGHAI JUNSHI ELECTRICAL SCIENCE and TECHNOLOGY Co Ltd
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SHANGHAI JUNSHI ELECTRICAL SCIENCE and TECHNOLOGY Co Ltd
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Priority to CN201410136204.8A priority Critical patent/CN103927693A/en
Publication of CN103927693A publication Critical patent/CN103927693A/en
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    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

Abstract

The invention provides a distribution network line loss management system. The system comprises an operation management subsystem, a standard dictionary database subsystem, a network model management subsystem, a distributed network loss calculation subsystem, a distribution network simulation analysis tool subsystem and a data query subsystem. The operation management subsystem is used for dividing power grid management regions, setting nodes and configuring operation authorizations, the standard dictionary database subsystem is used for setting voltage grade, line type and distribution transform type information of a distribution network and completing power grid model design, the network model management subsystem is used for managing power grid models and setting plant station, feed line and substation region information required by power grid simulation calculation, the distributed network loss calculation subsystem is used for carrying out distribution network loss calculation, the distribution network simulation analysis tool subsystem is used for achieving calculation and analysis under normal operation and various fault conditions of a transmission and distribution network, and the data query subsystem is used for providing a data query function. By means of the system, comprehensive computer management for line loss of region division, voltage division, element division, line division, substation region division, and subsystems, electric quantity balance of a bus, main transformer loss, and line loss small indexes is achieved, the line loss management level is improved, and working efficiency is improved.

Description

A kind of matching net wire loss management system
Technical field
The present invention relates to electric system and field of computer technology, particularly, relate to a kind of power network electric energy line loss statistic for receiver management system.
Background technology
Power network rate of electric network loss (hereinafter to be referred as line loss per unit), is important comprehensive economy of electric system, technical indicator, and it has reflected the height of power network planning design, production technology and operation management level.According to the principles and policies of country's " development of resources and saving are laid equal stress on, and saving is put in the first place ", electric system is for reducing line loss per unit and increasing economic efficiency and dropped into a large amount of human and material resources and financial resources.But line loss statistics and management relate to that link is many, data are many, to economic benefit is relevant in many ways, human factor is many.
In prior art, existing system of much managing about matching net wire loss, such as China Patent Publication No. is 102722851A, the invention that application number is 201210189503 provides a kind of majority based on intelligent grid technology according to interface synthesis line loss management system of local electric network, this system is based on .NET Remoting software system architecture, build the distributed line loss precise alignment analytic system that becomes more meticulous, form unified line loss management application platform; For variety classes user, take respectively corresponding electric weight clearing and power information acquisition mode, form the line loss statistics sub system for variety classes user; Adopt shared data bank interface shape, the IDP data access interface based on Web Service or Excel file directly to import the mode of data, carry out data or communication between each line loss statistics sub system and unified line loss management application platform; Realization is distributed in collection, conversion, cleaning and the warehouse-in of strange land isomeric data, sets up the seamless interconnected mechanism of Data Dynamic and information interaction mechanism real-time; Thereby realize the line loss comparison that becomes more meticulous.
And for example China Patent Publication No. is 101232181A, the invention that application number is 200810030560.6 provides the energy-saving and cost-reducing total management system of a kind of power distribution network based on multiple agent and management method thereof, this invention is by task coordinate and decomposition intelligent body, realize the mutual and cooperation between each energy-efficient equipment intelligent body, reduce influencing each other between energy-efficient equipment.
But above-mentioned patent can't realize the comprehensive computer management to subregion, dividing potential drop, subelement, separated time, Fen Taiqu, subsystem line loss and bus electric quantity balancing, main transformer loss and line loss Small Indicators well.
Accurate in order to guarantee line loss statistics, find in time the variety of issue in line loss management, thereby adopt an effective measure reduction line loss, improve line loss management level, increase work efficiency, the invention provides a kind of exploitation matching net wire loss management system.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of matching net wire loss management system, realized the comprehensive computer management to subregion, dividing potential drop, subelement, separated time, Fen Taiqu, subsystem line loss and bus electric quantity balancing, main transformer loss and line loss Small Indicators, thereby can reduce line loss, improve line loss management level, increase work efficiency.
For achieving the above object, the present invention is by the following technical solutions:
The invention provides a kind of matching net wire loss management system, described system comprises:
Operational management subsystem: this subsystem carries out region division to administration of power networks, Node configuration is configured system zones of different personnel's in service operating right simultaneously, so that management;
Normal dictionary storehouse subsystem: on operational management subsystem subregion, Node configuration, power phase configuration basis, this subsystem is for arranging electric pressure, circuit model, the distribution transforming type information of distribution;
Electric network model ADMINISTRATION SUBSYSTEM: this subsystem arranges the required plant stand of distribution simulation calculation, feeder line, platform district information; According to the distribution information of above-mentioned setting, carry out electric network model design, draw various power equipments, device parameter or state are set;
Distribution loss computing subsystem: this subsystem is on the basis of electric network model ADMINISTRATION SUBSYSTEM, utilize the data of electric energy acquisition system and electricity consumption centralized meter-reading system to carry out distribution loss calculating, comprise that the loss online, off-line based on calculating power system load flow calculates, obtain power network line loss information, Transformer Winding loss information, transformer and damage loss information, component voltage loss information, topological island (minute section) loss information, node voltage information, load damage curve, measurement information, calculating process information;
Distribution simulation analysis tool subsystem: described electric network model is carried out to simulation calculation, realize calculating and analysis under the normal operation of transmission and distribution network and various failure condition;
Data query subsystem: this subsystem is inquired about above-mentioned various loss information, simulation result, and support that form is derived, printing.
Preferably, described operational management subsystem further comprises server configuration module, region division module, Node configuration module and power phase configuration module, wherein:
Server configuration module: this module is for configuration-system server classification and title;
Module is divided in region: this module is carried out region division (as: can be divided into the regions such as power transformation, transmission of electricity, distribution) to administration of power networks, zones of different personnel have different operating rights, comprise the new electrical network subregion of registration, delete registered electrical network subregion, revise registered electrical network subregion etc.;
Node configuration module: this module is carried out workstation configuration service, for teller work station configuration operation authority, comprise node ID generation, node description, affiliated area selection, IP address correction, connect authority, the newly-increased node of registration, registered nodes carried out parameter correction, registered nodes deleted etc.;
Power phase configuration module: this module is set up other bundle of permissions of different rights level is then added operator under corresponding bundle of permissions, and operator has just obtained the authority of corresponding bundle of permissions like this, and all operations person's authority under each bundle of permissions is identical.
Preferably, described normal dictionary storehouse subsystem further comprises unit configuration module, electric pressure administration module, circuit model administration module and distribution transforming model administration module, wherein:
Unit configuration module: this module is for organization or the user name of editing and modification system is used, and this modification information shows in data query subsystem simultaneously;
Electric pressure administration module: this module manages line voltage grade, for the design of electric network model;
Circuit model administration module: this module manages power network line model, for the design of electric network model;
Distribution transforming model administration module: this module manages power distribution network transformer, for the design of electric network model.
Preferably, described electric network model ADMINISTRATION SUBSYSTEM further comprises that plant stand arranges that module, feeder line arrange module, module is set in platform district and model arranges module, wherein:
Plant stand arranges module: this module arranges the transformer station in electric network model;
Feeder line arranges module: this module arranges each feeder line in electric network model;
Platform district arranges module: this module arranges each power distribution station in electric network model, before setting table district, need to first set up and determine feeder line under Gai Tai district;
Model arranges module: the element that this module provides electric network model editor and drafting function and power distribution network figure to draw, and can customize force device storehouse according to user's request and be loaded into system, thereby can realize as required, new electric network model is set up and the setting of various elements, and can carry out topological analysis, whether correctly analyze the electric network model of setting up.
Preferably, when described distribution loss computing subsystem carries out the calculating of off-line line loss, the data section of take calculates as basis, by section maintenance manager, carry out the operations such as data parameters typing and section maintenance management, described off-line line loss is calculated can select coulometry or power method, if electric network model measuring value is input as charge value, computation schema is selected coulometry; If electric network model measuring value is input as performance number, computation schema is selected power method; And result of calculation directly can be saved to this locality.
Described distribution simulation analysis tool subsystem further comprises newly-built distribution module, data section administration module, simulation algorithm model and simulation result contrast module, wherein:
Newly-built distribution module: this module is carried out the newly-built of distribution case, and newly-built distribution case data file is preserved;
Data section administration module: this module is provided with data section manager, by this manager select to need in distribution case index word measured value element ID, the element measuring value of having selected is modified; Finally profile data is preserved;
Simulation algorithm model: this module provides the built routine emulation of putting on record, adopts theory wire loss to calculate emulated data is carried out to analytical calculation, and emulated data is calculated and exported preservation;
Simulation result contrast module: this module contrasts above-mentioned simulation result, for managerial personnel's reference.
Preferably, described data query subsystem further comprises the detailed enquiry module of line loss, the detailed enquiry module of line loss and the detailed enquiry module of line loss, wherein:
The detailed enquiry module of line loss: this module support inquiry distribution loss computed losses result gathers, and shows that loss gathers, and form support exports to Excel, printing;
The detailed enquiry module of line loss: the detailed form of each section of line loss of feeder line is calculated in this module support inquiry distribution loss, and form support exports to Excel, printing;
The detailed enquiry module of line loss: the detailed form of each node distribution loss of feeder line is calculated in this module support inquiry distribution loss, and form support exports to Excel, printing.
Compared with prior art, the present invention has following beneficial effect:
The present invention can realize the comprehensive computer management to subregion, dividing potential drop, subelement, separated time, Fen Taiqu, subsystem line loss and bus electric quantity balancing, main transformer loss and line loss Small Indicators by said system, thereby realized the function of line loss integrated management, its complete function, powerful, flexible, its main technical characterstic is:
● realizing the management of classification line loss, thereby can immediately provide exactly the real-time information of grid line loss for managerial personnel, taken into full account the concrete administrative situation of power supply department simultaneously, managerial personnel can manage and information trunk damage information in detail by this system, and by comparison line loss situations such as emulation.
● systemic-function adopts modular formation structure, and the upgrading of system, transplanting and maintenance become easy and convenient like this, also more easily expands more application function simultaneously.
● system has been reserved the data-interface with all the other mis systems, generalized information system.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is one embodiment of the invention system architecture diagram;
Fig. 2 is one embodiment of the invention operational management subsystem structure block diagram;
Fig. 3 is one embodiment of the invention normal dictionary storehouse subsystem structure block diagram;
Fig. 4 is one embodiment of the invention mark electric network model ADMINISTRATION SUBSYSTEM structured flowchart;
Fig. 5 is one embodiment of the invention standard configuration network loss consumption computing subsystem structured flowchart;
Fig. 6 is one embodiment of the invention standard configuration network simulation analysis tool subsystem structure block diagram.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
As shown in Figure 1, the present embodiment provides a kind of matching net wire loss management system, this system is used current popular large database platform SQL Server, reserved the data-interface with all the other mis systems, generalized information system, the report generation of system adopts international ODE technology, Automatically invoked Excel printout.In the present embodiment, be based on the data of electric energy acquisition system and electricity consumption centralized meter-reading system, utilize the electric components parameter of existing electrical network inside to carry out simultaneously, also can connect external data by data-interface.
System described in the present embodiment adopts modular construction, comprising:
Operational management subsystem: this subsystem carries out region division to administration of power networks, Node configuration is configured system zones of different personnel's in service operating right simultaneously, so that management;
Normal dictionary storehouse subsystem: on operational management subsystem subregion, Node configuration, power phase configuration basis, this subsystem is for arranging electric pressure, circuit model, the distribution transforming type information of distribution;
Electric network model ADMINISTRATION SUBSYSTEM: this subsystem arranges the required plant stand of distribution simulation calculation, feeder line, platform district information; According to the distribution information of above-mentioned setting, carry out electric network model design, draw various power equipments, device parameter or state are set;
Distribution loss computing subsystem: this subsystem is on the basis of electric network model ADMINISTRATION SUBSYSTEM, carry out distribution loss calculating, comprise that the loss online, off-line based on calculating power system load flow calculates, obtain power network line loss information, Transformer Winding loss information, transformer and damage loss information, component voltage loss information, topological island (minute section) loss information, node voltage information, load damage curve, measurement information, calculating process information;
Distribution simulation analysis tool subsystem: described electric network model is carried out to simulation calculation, realize calculating and analysis under the normal operation of transmission and distribution network and various failure condition;
Data query subsystem: this subsystem is inquired about above-mentioned various loss information, simulation result, and support that form is derived, printing.
Below the specific implementation of subsystems in the present embodiment is elaborated:
1, operational management subsystem, as shown in Figure 2, comprising:
(1) server configuration module
System platform server classification and title all can configure.
(2) module is divided in region
System is carried out region division (as: can be divided into the regions such as power transformation, transmission of electricity, distribution) to administration of power networks, and zones of different personnel have different operating rights, so that management.
● registration: register new electrical network subregion;
● delete: in electrical network partition list, choose registered electrical network subregion;
● revise: in electrical network partition list, choose registered electrical network subregion;
● exit: close closed region and divide display window.
(3) Node configuration module
Node configuration, i.e. workstation configuration service, is teller work station configuration operation authority.
● node ID: do not need to fill in, system generates automatically;
● node is described: to newly-increased node/registered nodes, carry out the correction of node description;
● affiliated area: to newly-increased node/registered nodes, select compass of competency under node by combobox;
● A/B net address: newly-increased node/registered nodes is carried out to IP address correction;
● connect authority: to newly-increased node/registered nodes, by combobox, select node to connect authority;
● registration: newly-increased node;
● revise: registered nodes is carried out to parameter correction;
● delete: registered nodes is carried out to deletion action.
(4) power phase configuration module
Rights management is a kind ofly different operation authority to be set to different users, thus guarantee security of system, reliably, the management function of operation stably.
The system with rights management function is used to administrative operator's operating right, and it is by different operating rights being set to different users, thereby allows different users have different operator's identity, retains different power.Other bundle of permissions of Rights Management System model different rights level is then added operator under corresponding bundle of permissions, and operator has just obtained the authority of corresponding bundle of permissions like this, and all operations person's authority under each bundle of permissions is identical.
After system successful installation, first should first move Rights Management System with system manager's identity login, be assigned to the certain authority of each normal operator, increase user and user's identity (stipulating which type of operator it belongs to) is set.The user who is endowed authority can and carry out corresponding system Operation and Maintenance with operator's identity login system.
● bundle of permissions is divided
The user of different departments is arranged to different operating right groups, and the operating personnel under different rights group have different operating rights, so that management.
● authority setting
Different bundle of permissions is carried out to the selection in functional module and region, the operating personnel under different rights group have different operating rights, so that management.
● customer center
Different users is carried out to the division of bundle of permissions, the user under different rights group has different operating right groups, so that management.
2, normal dictionary storehouse subsystem, as shown in Figure 3, comprising:
(1) unit configuration module
In the edit box of this module, input user's name, the unit that system is used is revised, and in the unit information of this correction meeting in data query, shows.
(2) electric pressure administration module
Line voltage grade is managed, the parameter information of relevant electric pressure can be set by this module;
(3) circuit model administration module
Power network line model is managed, the parameter information of relevant line type number can be set by this module;
(4) distribution transforming model administration module
Power distribution network transformer is managed, the parameter information of relevant distribution transforming model can be set by this module.
3, electric network model ADMINISTRATION SUBSYSTEM, as shown in Figure 4:
Electric network model management is extremely important concerning whole network analysis, because correct network model (electric network composition and component parameters etc.) is the pacing items that guarantees the various application true(-)runnings of network analysis.Electric power system model generally adopts hierarchical structure to describe, and concrete element has: bus, switch, disconnecting link, generator, transformer, shnt capacitor (reactor), circuit, series capacitor (reactor).
(1) plant stand arranges module
Transformer station in model is arranged.
(2) feeder line arranges module
Each feeder line in model is arranged.
(3) platform district arranges module
Each power distribution station in model is arranged.Before setting table district, need to first set up and determine feeder line under Gai Tai district.
(4) model arranges module
Electric network model design provides powerful electric network model editor and drafting function, can draw easily various power equipments, device parameter or state are set, thereby complete the drafting of electric network model.Electric network model setting has powerful extendability and can customize specific force device storehouse according to user's demand and be loaded into system, also can load the Library of Standard Pieces and Parts of other industry to system, forms each distribution pel, thereby completes different drafting demands.
In the present embodiment, take 10(6/20) kV power distribution network is example, wherein 10(6/20) element that need to draw of kV power distribution network figure has: distribution transforming, feeder line, circuit, load, generator, electric capacity/reactor, outer net port, circuit T point, connecting line, label etc.In the present embodiment, model arranges when module adopts software to realize and can adopt following technology:
1. distribution modeling
Model arranges module and is provided with navigation menu hurdle, in navigation menu hurdle, be provided with " new established model " button, click this button, " middle voltage distribution networks figure " button is set in the newly-built model window ejecting, this button is associated with corresponding plant stand, feeder line etc. simultaneously, after selecting corresponding plant stand, feeder line, can set up new electricity distribution network model.
2. draw generator
Model arranges in module and is provided with drawing interface, and this interface is provided with in element list, and list can adopt mouse to choose " virtual generator " corresponding to the pel in " distribution pel ", at drawing panel, can draw.
Adopt mouse to choose virtual generator, can be dragged to drawing panel appropriate location, also can drag its peripheral frame and change generator size.
Select " generator " pel, then, by the order of generation equipment display label, can generate equipment display label, the metrical information that generator shows can be set.
3. draw feeder line
In " the distribution pel " of the element list by drawing interface, mouse is chosen " horizontal feeder line " or " vertical feeder line ", clicks left button can draw at drawing panel.
4. draw circuit
In " the distribution pel " of the element list by drawing interface, mouse is chosen " straight line path ", clicks left button can draw at drawing panel.
When needs are placed shaft tower on circuit again, element list is provided with " public pel ", selects to select " circuit T point " after " public pel ".
5. draw substation transformer
In " the distribution pel " of the element list by drawing interface, mouse is chosen " transformer ", clicks left button can draw at drawing panel.
6. draw load
In " the distribution pel " of the element list by drawing interface, mouse is chosen " load ", clicks left button can draw at drawing panel.
7. draw capacitor/reactor
In " the distribution pel " of the element list by drawing interface, mouse is chosen " capacitor/reactor ", clicks left button can draw at drawing panel.
8. page parameter setting
After graphic plotting completes, page parameter can be set.At blank space a mouse click right button of drawing interface, popup menu, selects " page parameter setting " menu.
9. after completing page parameter and arranging, can carry out model interface display.
10. topological analysis
Based on the above-mentioned model completing, carry out topological analysis, whether the model that can analyze foundation is correct.At blank space a mouse click right button of drawing interface, select " topological current figure " menu, then start topological analysis, after topology completes, can show topology information interface.
If model arranges correctly, preservation model data; If model is incorrect, to wrong element, can show the prompting of " not meeting reality ", need to revise.
4, distribution loss computing subsystem, as shown in Figure 5:
Distribution loss in this subsystem is calculated and can component voltage grade be carried out, such as 330(500) kV grid loss calculates, 35-220kV grid loss calculates, 10(6/20) calculating of kV grid loss, 380V low voltage electric network loss calculating etc., thereby can obtain result more accurately, also facilitate management.
(1) online line loss loss computing module
10(6/20) kV grid loss real-time online computing subsystem adopts calculating power system load flow, can calculate 10(6/20) kV power network line loss information, Transformer Winding loss information, transformer damages the consumption information of saying, component voltage loss information, topological island (minute section) loss information, node voltage information, load damage curve, measurement information, calculating process information.
1. line loss information: result shows the information such as the meritorious output power (kW) of feeder line, meritorious sale of electricity power (kW), idle output power (kvar), idle sale of electricity power (kvar), active loss (kW), reactive loss (kvar), description.
2. winding loss information: result shows the information such as the meritorious output power (kW) of distribution transforming winding, meritorious sale of electricity power (kW), idle output power (kvar), idle sale of electricity power (kvar), active loss (kW), reactive loss (kvar), meritorious iron loss (kW), idle iron loss (kvar), transformer numbering, description.
3. transformer loss information: result shows the information such as the meritorious output power (kW) of distribution transforming transformer, meritorious sale of electricity power (kW), idle output power (kvar), idle sale of electricity power (kvar), active loss (kW), reactive loss (kvar), meritorious iron loss (kW), idle iron loss (kvar), description.
4. component voltage loss information: result shows the information such as the meritorious output power (kW) of feeder line component voltage grade, meritorious sale of electricity power (kW), idle output power (kvar), idle sale of electricity power (kvar), meritorious line loss (kW), reactive line loss (kvar), meritorious iron loss (kW), idle iron loss (kvar), meritorious copper loss (kW), idle copper loss (kvar).
5. topological island loss information: result shows the meritorious output power (kW) of topological island loss, meritorious sale of electricity power (kW), idle output power (kvar), idle sale of electricity power (kvar), circuit active loss (kW), circuit reactive loss (kvar), the meritorious iron loss (kW) of main transformer, main transformer is idle iron loss (kvar), the meritorious copper loss (kW) of main transformer, main transformer is idle information such as copper loss (kvar).
6. node voltage information: result shows the information such as each node serial number, voltage real part, voltage imaginary part, meritorious injection, idle injection, description.
7. the damage curve of loading: show feeder line burden with power and load or burden without work curve.
8. measurement information: plant stand numbering, measure period, measure sign, measure object, the information such as value type, value unit, measuring value, setting value.
9. calculating process information: show line loss computation period information.
(2) off-line line loss loss computing module
Off-line line loss loss computing module take " data section " as basis, calculate, computational algorithm is trend method.
In the present embodiment, when the concrete software of off-line line loss loss computing module is realized, can adopt following operation:
In off-line line loss loss computing module, be provided with " measuring management " button, this button can eject information display window, after confirmation, can eject off-line data selection window, at the calculative feeder line of this window selection, by the drop-down list of corresponding plant stand, select corresponding affiliated plant stand, by the drop-down list on corresponding feeder line right side, select calculative feeder line;
After confirmation, will show section maintenance manager, at this manager, can carry out the operations such as data parameters typing and section maintenance management.
It is a kind of substantially electric calculating of research power system mesomeric state ruuning situation that trend is calculated, the task that conventional Load Flow calculates is according to given service condition and network configuration, to determine the running status of whole system, as the power in the voltage on each bus (amplitude and phase angle), network distributes and power attenuation etc.The result that trend is calculated is the basis of Model for Stability Calculation of Power System and fault analysis.
In the present embodiment, off-line line loss loss computing module adopts the trend method of selecting, be provided with " 10(6/20) kV distribution loss computing subsystem (trend method) " window, this window has the buttons such as " selection section ", " computation schema ", " being written into electric network model ", " being written into section ", " theory wire loss calculating ", and these buttons are connecting the contents such as computation schema inherent in system, data:
first at the drop-down list of " selection section " button, select to calculate the time of section.
then at the drop-down list of " computation schema " button, select computation schema: coulometry and power method.If electric network model measuring value is input as charge value, computation schema is selected coulometry; If electric network model measuring value is input as performance number, computation schema is selected power method.
select " being written into electric network model " button, can be in calculation window prompting " electric network model is written into successfully " information.
select successively " being written into section " button and " theory wire loss calculating " button, result just can show: line loss information, winding loss information, transformer loss information, component voltage grade loss information, feeder loss information, node voltage information, computational data, abnormal information.
In result window:
1. line loss information: result shows the information such as the meritorious output power of each section of circuit of feeder line, meritorious sale of electricity power, idle output power, idle sale of electricity power, active loss, reactive loss, description.
2. winding loss information: result show distribution transforming split after the information such as the meritorious output power of each winding, meritorious sale of electricity power, idle output power, idle sale of electricity power, active loss, reactive loss, meritorious iron loss, idle iron loss, transformer numbering, device description.
3. transformer loss information: result shows the information such as the meritorious output power of network distribution transformer, meritorious sale of electricity power, idle output power, idle sale of electricity power, active loss, reactive loss, meritorious iron loss, idle iron loss, device description.
4. component voltage grade loss information: result shows the information such as the meritorious output power of distribution component voltage grade, meritorious sale of electricity power, idle output power, idle sale of electricity power, meritorious line loss, reactive line loss, meritorious iron loss, idle iron loss, meritorious copper loss, idle copper loss.
5. feeder loss information: result show feeder line calculate after the information such as meritorious output power, meritorious sale of electricity power, idle output power, idle sale of electricity power, circuit active loss, circuit reactive loss, the meritorious iron loss of distribution transforming, distribution transforming is idle iron loss, the meritorious copper loss of distribution transforming, distribution transforming is idle copper loss, description.
6. node voltage information: result shows the information such as each node serial number of feeder line, type, voltage, voltage real part, voltage imaginary part, meritorious injection, idle injection, description.
7. computational data: show that the equipment after being written into measures data message.
Click " result warehouse-in ", the result after calculating just deposits database in, so that report query operation.
Click " exporting to Excel ", result of calculation is directly saved to this locality.
5, distribution simulation analysis tool subsystem, as shown in Figure 6:
Transmission and distribution network state analysis, can realize calculating and analysis under the normal operation of transmission and distribution network and various failure condition.For the formulation of the planning of transmission and distribution network, design, the method for operation provides decision support, improve the management level of electric system.On Simulation Interface, user can carry out drafting and the modification of power system network wiring diagram quickly and easily, as long as just can complete the typing of electric system calculating parameter by mouse action, the operation modeling of equipment component, finally completes every computational analysis task.
In distribution simulation analysis tool subsystem:
(1) newly-built distribution module
Newly-built distribution module is chosen distribution network feeder pel in " distribution pel ", by mouse, selects " newly-built distribution case " button, ejects and preserves case file window, and newly-built distribution case data file is preserved.
(2) data section administration module
Data section administration module is provided with data section manager, in " distribution pel ", chooses distribution network feeder pel, by mouse, selects data section manager, ejects section management window; By section management window, in " element " row, by check box, select to need the element ID of index word measured value; By section management window, in " setting value " row, the element measuring value of having selected is modified; Finally profile data is preserved.
(3) simulation algorithm model
Simulation algorithm model is chosen distribution network feeder pel in " distribution pel ", by mouse, selects simulation calculation window.Then " being written into case " button is provided, ejects simulation calculation Data Source window, open the case of wanting emulation, button becomes and can not click now " to be written into case ", and " theory wire loss calculating " button becomes and can click by clicking; Select " theory wire loss calculating " button, emulated data is carried out to analytical calculation; And by " result output " button, emulated data is calculated and exported preservation.
(4) simulation result contrast module
Simulation result contrast module is chosen distribution network feeder pel in " distribution pel ", by mouse, selects " contrast of distribution case result ", ejects Case comparison window.
● target case: select case file by " browsing ";
● case is changed: after select target case, can in case is changed, inquire about present case related amendments information.
6, data query subsystem
(1) loss aggregate query module
The detailed enquiry module of line loss can be inquired about 10(6/20) kV distribution loss computed losses result gathers: trend method, substitutional resistance method, rms current method.Click the drop-down list on loss aggregate query module " selection section " right side and select section, show that loss gathers.Form support exports to Excel, printing.
(2) the detailed enquiry module of line loss
The detailed enquiry module of line loss can support to inquire about 10(6/20) the detailed form of each section of line loss of kV distribution loss calculating feeder line: the feeder line that selection will be inquired about in feeder line list.Form support exports to the operations such as Excel, printing.
(3) the detailed module of distribution loss
The detailed enquiry module of line loss can support to inquire about 10(6/20) the detailed form of each node distribution loss of kV distribution loss calculating feeder line: the feeder line that selection will be inquired about in feeder line list.Form support exports to the operations such as Excel, printing.
In the present embodiment, the report generation of system adopts international ODE technology, and Automatically invoked Excel printout, has realized the standardization of Report Server Management.System is used current popular large database platform SQL Server, applicable to the Windows operating system of each version, for the informationization of overall line loss is laid a good foundation.The present invention simultaneously has also reserved data-interface to be further applied to mis system, generalized information system
The present invention can realize the comprehensive computer management to subregion, dividing potential drop, subelement, separated time, Fen Taiqu, subsystem line loss and bus electric quantity balancing, main transformer loss and line loss Small Indicators by said system, simultaneously can implementation model set up and emulation relatively etc., thereby realized line loss integrated management, its complete function, powerful, flexible, thereby can reduce line loss, improve line loss management level, increase work efficiency.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.

Claims (9)

1. a matching net wire loss management system, is characterized in that, described system comprises:
Operational management subsystem: this subsystem carries out region division to administration of power networks, Node configuration is configured system zones of different personnel's in service operating right simultaneously, so that management;
Normal dictionary storehouse subsystem: on operational management subsystem subregion, Node configuration, power phase configuration basis, this subsystem is for arranging electric pressure, circuit model, the distribution transforming type information of distribution;
Electric network model ADMINISTRATION SUBSYSTEM: this subsystem arranges the required plant stand of distribution simulation calculation, feeder line, platform district information; According to the distribution information of above-mentioned setting, carry out electric network model design, draw various power equipments, device parameter or state are set;
Distribution loss computing subsystem: this subsystem is on the basis of electric network model ADMINISTRATION SUBSYSTEM, utilize the data of electric energy acquisition system and electricity consumption centralized meter-reading system to carry out distribution loss calculating, comprise that the loss online, off-line based on calculating power system load flow calculates, obtain power network line loss information, Transformer Winding loss information, transformer and damage loss information, component voltage loss information, topological island loss information, node voltage information, load damage curve, measurement information, calculating process information;
Distribution simulation analysis tool subsystem: described electric network model is carried out to simulation calculation, realize calculating and analysis under the normal operation of transmission and distribution network and various failure condition;
Data query subsystem: this subsystem is inquired about above-mentioned various loss information, simulation result, and support that form is derived, printing.
2. matching net wire loss management system according to claim 1, is characterized in that, described operational management subsystem further comprises server configuration module, region division module, Node configuration module and power phase configuration module, wherein:
Server configuration module: this module is for configuration-system server classification and title;
Module is divided in region: this module is carried out region division to administration of power networks, and zones of different personnel have different operating rights, comprises the new electrical network subregion of registration, deletes registered electrical network subregion, revises registered electrical network subregion;
Node configuration module: this module is carried out workstation configuration service, for teller work station configuration operation authority, comprise that generation, node description, affiliated area selection, IP address correction, connection authority, the registration of node ID increases node newly, registered nodes is carried out parameter correction, registered nodes is deleted;
Power phase configuration module: this module is set up other bundle of permissions of different rights level is then added operator under corresponding bundle of permissions, and operator has just obtained the authority of corresponding bundle of permissions like this, and all operations person's authority under each bundle of permissions is identical.
3. matching net wire loss management system according to claim 1, is characterized in that, described normal dictionary storehouse subsystem further comprises unit configuration module, electric pressure administration module, circuit model administration module and distribution transforming model administration module, wherein:
Unit configuration module: this module is for organization or the user name of editing and modification system is used, and the information of this editor and modification shows in data query subsystem simultaneously;
Electric pressure administration module: this module manages line voltage grade, for the design of electric network model;
Circuit model administration module: this module manages power network line model, for the design of electric network model;
Distribution transforming model administration module: this module manages power distribution network transformer, for the design of electric network model.
4. matching net wire loss management system according to claim 1, is characterized in that, described electric network model ADMINISTRATION SUBSYSTEM further comprises that plant stand arranges that module, feeder line arrange module, module is set in platform district and model arranges module, wherein:
Plant stand arranges module: this module arranges the transformer station in electric network model;
Feeder line arranges module: this module arranges each feeder line in electric network model;
Platform district arranges module: this module arranges each power distribution station in electric network model, before setting table district, first sets up and determines feeder line under Gai Tai district;
Model arranges module: the element that this module provides electric network model editor and drafting function and power distribution network figure to draw, and can customize force device storehouse according to user's request and be loaded into system, thereby realize as required, new electric network model is set up and the setting of various elements, and can carry out topological analysis, whether correctly analyze the electric network model of setting up.
5. matching net wire loss management system according to claim 1, it is characterized in that, when described distribution loss computing subsystem carries out the calculating of off-line line loss, the data section of take calculates as basis, by section maintenance manager, carry out the operations such as data parameters typing and section maintenance management, described off-line line loss is calculated can select coulometry or power method, if electric network model measuring value is input as charge value, computation schema is selected coulometry; If electric network model measuring value is input as performance number, computation schema is selected power method; And result of calculation is directly saved to this locality.
6. matching net wire loss management system according to claim 1 or 5, is characterized in that, described distribution loss computing subsystem carries out online line loss calculating, and concrete computing information shows that result comprises:
1. line loss information: result shows the meritorious output power of feeder line, meritorious sale of electricity power, idle output power, idle sale of electricity power, active loss, reactive loss, descriptor;
2. winding loss information: result shows the meritorious output power of distribution transforming winding, meritorious sale of electricity power, idle output power, idle sale of electricity power, active loss, reactive loss, meritorious iron loss, idle iron loss, transformer numbering, descriptor;
3. transformer loss information: result shows the meritorious output power of distribution transforming transformer, meritorious sale of electricity power, idle output power, idle sale of electricity power, active loss, reactive loss, meritorious iron loss, idle iron loss, descriptor;
4. component voltage loss information: result shows the meritorious output power of feeder line component voltage grade, meritorious sale of electricity power, idle output power, idle sale of electricity power, meritorious line loss, reactive line loss, meritorious iron loss, idle iron loss, meritorious copper loss, idle copper loss information;
5. topological island loss information: result shows the meritorious output power of topological island loss, meritorious sale of electricity power, idle output power, idle sale of electricity power, circuit active loss, circuit reactive loss, the meritorious iron loss of main transformer, main transformer is idle iron loss, the meritorious copper loss of main transformer, main transformer is idle copper loss information;
6. node voltage information: result shows each node serial number, voltage real part, voltage imaginary part, meritorious injection, idle injection, descriptor;
7. the damage curve of loading: show feeder line burden with power and load or burden without work curve;
8. measurement information: plant stand numbering, measure period, measure sign, measure object, value type, value unit, measuring value, setting value information;
9. calculating process information: show line loss computation period information.
7. matching net wire loss management system according to claim 1 or 5, is characterized in that, described distribution loss computing subsystem carries out the calculating of off-line line loss, and concrete computing information shows that result comprises:
1. line loss information: result shows the meritorious output power of each section of circuit of feeder line, meritorious sale of electricity power, idle output power, idle sale of electricity power, active loss, reactive loss, descriptor;
2. winding loss information: result show distribution transforming split after the meritorious output power of each winding, meritorious sale of electricity power, idle output power, idle sale of electricity power, active loss, reactive loss, meritorious iron loss, idle iron loss, transformer numbering, device descriptive information;
3. transformer loss information: result shows the meritorious output power of network distribution transformer, meritorious sale of electricity power, idle output power, idle sale of electricity power, active loss, reactive loss, meritorious iron loss, idle iron loss, device descriptive information;
4. component voltage grade loss information: result shows the meritorious output power of distribution component voltage grade, meritorious sale of electricity power, idle output power, idle sale of electricity power, meritorious line loss, reactive line loss, meritorious iron loss, idle iron loss, meritorious copper loss, idle copper loss information;
5. feeder loss information: result show feeder line calculate after meritorious output power, meritorious sale of electricity power, idle output power, idle sale of electricity power, circuit active loss, circuit reactive loss, the meritorious iron loss of distribution transforming, distribution transforming is idle iron loss, the meritorious copper loss of distribution transforming, distribution transforming is idle copper loss, descriptor;
6. node voltage information: result shows each node serial number of feeder line, type, voltage, voltage real part, voltage imaginary part, meritorious injection, idle injection, descriptor;
7. computational data: show that the equipment after being written into measures data message.
8. matching net wire loss management system according to claim 1, is characterized in that, described distribution simulation analysis tool subsystem further comprises newly-built distribution module, data section administration module, simulation algorithm model and simulation result contrast module, wherein:
Newly-built distribution module: this module is carried out the newly-built of distribution case, and newly-built distribution case data file is preserved;
Data section administration module: this module is provided with data section manager, by this manager select to need in distribution case index word measured value element ID, the element measuring value of having selected is modified; Finally profile data is preserved;
Simulation algorithm model: this module provides the built routine emulation of putting on record, adopts theory wire loss to calculate emulated data is carried out to analytical calculation, and emulated data is calculated and exported preservation;
Simulation result contrast module: this module contrasts above-mentioned simulation result, for managerial personnel's reference.
9. matching net wire loss management system according to claim 1, is characterized in that, described data query subsystem further comprises the detailed enquiry module of line loss, the detailed enquiry module of line loss and the detailed enquiry module of line loss, wherein:
The detailed enquiry module of line loss: this module support inquiry distribution loss computed losses result gathers, and shows that loss gathers, and form support exports to Excel, printing;
The detailed enquiry module of line loss: the detailed form of each section of line loss of feeder line is calculated in this module support inquiry distribution loss, and form support exports to Excel, printing;
The detailed enquiry module of line loss: the detailed form of each node distribution loss of feeder line is calculated in this module support inquiry distribution loss, and form support exports to Excel, printing.
CN201410136204.8A 2014-04-04 2014-04-04 Distribution network line loss management system Pending CN103927693A (en)

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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
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CN105048456A (en) * 2015-08-10 2015-11-11 贵阳供电局 Loss-reducing and energy-saving management method and system applied to intelligent metering platform
CN105468689A (en) * 2015-11-17 2016-04-06 广东电网有限责任公司电力科学研究院 Power grid object level authority configuration and inheritance method
CN105811406A (en) * 2016-04-13 2016-07-27 国网冀北电力有限公司电力科学研究院 High-voltage power grid line loss level evaluation method
CN107133355A (en) * 2017-05-25 2017-09-05 国网天津市电力公司 Route parameter calculation and data management-control method in the range of regional dispatching
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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