CN103545805B - Modeling-based railway power supply arm monitoring method - Google Patents
Modeling-based railway power supply arm monitoring method Download PDFInfo
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- CN103545805B CN103545805B CN201310420977.4A CN201310420977A CN103545805B CN 103545805 B CN103545805 B CN 103545805B CN 201310420977 A CN201310420977 A CN 201310420977A CN 103545805 B CN103545805 B CN 103545805B
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Abstract
The invention discloses a power supply arm modeling monitoring method applied in the field of railway power supply dispatching systems. According to the method, a power supply arm expanding model according to a common information model (CIM) standard based on an international standard IEC 61970 is established, separated railway supply network distribution substations and belonged devices are combined to a whole according to power supply arm connecting relationship, and information sharing and uniform processing of each substation relevant to the power supply arm can be realized; according to linear organizational model and typical wiring manner among substations of a railway power supply system, automatic imaging and model establishing are realized; the power supply arm serves as a unit for monitoring and controlling, power supply condition of the power supply arm can be reflected more directly, and operating mode switching of the power supply arm can be realized; on the basis of the power supply model, a failure processing system is established, the range of failure positioning and analyzing is narrowed inside one power supply arm, complexity of failure process is reduced, failures can be positioned more rapidly and accurately, and failure isolation and restoration can be realized.
Description
Technical field
The invention belongs to power system automation technology field, relate to supply arm modelling method for supervising in railway power supply automated system.
Background technology
Along with railway power system automation development, the electric power dispatching system at railway dispatching center collects running status and the measured value of equipment in railway power supply net by the remote transmission terminal unit (RTU) being arranged on plant stand, make management and running personnel energy tracking in time, adjustment operation states of electric power system.
Supply arm defines the supply district in railway power system, and the running status holding supply arm is on the whole the basis realizing Fault Isolation and fault recovery.Along with greatly developing of high-speed railway, supply arm, as administrative unit in a railway power system, obtains more attention.
Current rail traction is powered in SCADA system and is usually carried out monitoring and controlling by drafting supply arm diagram form to supply arm, but special modeling is not carried out to supply arm, in dispatcher's course of work, intuitively cannot obtain the running status summary information of supply arm, not to the direct control of supply arm supplier of electricity to switching, supplier of electricity can only be realized to handoff functionality by operating related switch successively; The troubleshooting technology that rail traction is powered mainly contains two kinds of thinkings, a kind of is troubleshooting technology based on terminating layer, troubleshooting is completed by exploitation new terminal watch-dog or the function of expanding existing terminal monitoring equipment, the method requires carry out information sharing between terminal equipment, will increase complexity and the communication channel construction cost of terminal monitoring equipment; Another kind of for relying on railway power supply dispatching patcher to complete troubleshooting technology, dispatching patcher acquires the information of whole power supply network, only need to develop corresponding software module and just can realize troubleshooting function, cost is less, but because dispatching patcher compass of competency is very large, power supply network is complicated, and troubleshooting difficulty is very large.
Summary of the invention
For solving the above-mentioned problems in the prior art, the present invention proposes a kind of supply arm modelling method for supervising, by setting up the supply arm model based on common information model (CIM) standard of IEC61970 international standard, provide a kind of integration to the power supply unit operation information in set supply district and shared mechanism.
The present invention realizes being mutually related in railway power supply net the information sharing of distribution substation and box-type substation and unified management.Go from supply arm aspect the running status monitoring rail traction power supply network on the one hand, provide effective operation information more directly perceived to scheduling; Scope on the other hand based on its comprehensive data message and supply arm delimited, and can reduce the complexity of fault location, build Fault Isolation and the fault recovery scheme of more science, realize intelligent dispatch.
The present invention is concrete by the following technical solutions.
A kind of based on modeled railway power supply arm method for supervising, it is characterized in that, said method comprising the steps of:
(1) definition is based on the supply arm model of the common information model standard of IEC 61970 international standard
Follow IEC 61970 international standard, the supply district of supply arm, annexation and operational mode etc. are defined; Describe the outlet switch at the railway power supply arm two ends that supply arm model comprises, railway power supply arm block switch, stand between connection wire between annexation; Set up the box type transformation in the power distribution station at described supply arm and two ends and supply district thereof incidence relation, and describe described power distribution station and described box type transformation layout order; The type of supply arm is defined, comprises the self-closing power supply arm of railway power system and through supply arm; Define the operational mode of described supply arm, comprise " prepared auto restart-coincidence ", " single prepared auto restart ", " substance conjunction " and " coincidence-prepared auto restart pattern "; Define this supply arm and the correlation of other supply arm, comprise active/standby relation, neighbouring relations;
(2) draw supply arm figure, and set up supply arm model
First, draw railway power system primary connection figure, and set up described railway power system block mold;
Secondly, generate the box type transformation institute's main electrical scheme in supply arm two ends power distribution station and described supply district and set up described power distribution station and described box type transformation model;
Finally, on the basis completing described power distribution station and the winding diagram drafting of box type transformation institute, automatically draw supply arm figure, and set up supply arm model;
(3) based on supply arm model, the fault self-recovery of railway power system is realized.
In step (3), the fault self-recovery based on supply arm model realization railway power system comprises following flow process:
The first step: the fault analysis and handling subsystem of railway power supply dispatching patcher loads supply arm information when described dispatching patcher starts, and in running Real-Time Monitoring supply arm fault occurrences;
Second step: localizing faults is to concrete supply arm, and collect supply arm running status change sequence, when fault analysis and handling subsystem monitors fault generation information, according to described for electric model, fault incidence is navigated to a supply arm, described iron wire power supply dispatching system records the change procedure of each collection capacity of this supply arm, forms fault data, for fault detect;
3rd step: by analysis of failure data, is confirmed whether to break down, if there is fault to occur, enters the 4th step, otherwise returns first step continuation monitoring supply arm fault generation information;
4th step: confirm fault type and whether be transient fault;
5th step: according to different fault types and be whether that transient fault generates corresponding fault isolation schemes;
6th step: carry out Fault Isolation and the operation that restores electricity according to described fault isolation schemes.
The present invention has following technique effect:
A () can monitor the running status of supply arm more intuitively.When the supply arm model not based on IEC61970 national standard, the incidence relation between measured point and equipment, supply arm does not have clear and definite definition, know the running status of supply arm, can only be obtained by the state manually gathering measurement of correlation point; After having had supply arm model object, the railway power system monitoring software achieving supply arm model can gather its measurement of correlation dotted state by automatic analysis, forms the running status of supply arm and exports to user.
B () reduces the complexity of electric power system troubleshooting, strengthen the accuracy of troubleshooting.Having supply arm model, when certain point of railway power system breaks down, can easily the range shorter of accident analysis on a supply arm object, and reduce the scope of information, the complexity of troubleshooting; Supply arm model object to the operational mode of supply arm, supplier of electricity to etc. attribute carried out instantiation (namely specify that protection enable logic and the fault propagation direction of relevant proterctive equipment when a failure occurs it); system more promptly can collect the effective information needed for fault locating analysis, strengthens the accuracy of troubleshooting.
Accompanying drawing explanation
Fig. 1 is railway power system figure;
Fig. 2 is railway power supply arm (FeedingSection) extended model;
Fig. 3 is the class figure of railway power supply arm.The base attribute of railway power supply arm is described;
Fig. 4 is the faulted-phase judgment flow chart based on railway power supply arm extended model;
Fig. 5 is that the application is based on modeled rail traction supply arm method for supervising flow chart.
Embodiment
Below in conjunction with Figure of description, technical scheme of the present invention is described in further details.
Comprise the simple railway power system figure of a self-closing power supply arm and a through supply arm as Fig. 1, distribution substation A, E introduce 1 or No. 2 external power sources respectively, power to box-type substation along the line.Self-closing through two supply arms are formed between the corresponding outlet switch of distribution substation A, E.
This application discloses one based on modeled rail traction supply arm method for supervising, the flow process of the method is as said in Fig. 5, comprises modeling, instantiation model (Automatic Drawing and modeling) and the step such as supply arm supervision and troubleshooting.Specifically comprise the following steps:
1, the supply arm model of common information model (CIM) standard based on IEC61970 international standard is set up:
With regard to railway power system, supply arm be a distribution substation in normal power supply situation, the supply district of self-closing and through power segment; There is linear array relation between supply arm and supply arm, supply arm object comprises the link of adjacent supply arm, can realize its information sharing and collaboration.
In supply arm model, (CFeedingSection) associated class relation is as Fig. 1, describes the relation of equipment in railway power system, plant stand and supply arm.In figure, electric power resource class, equipment class, end points class, equipment container class and plant stand class are the content of IEC61970 international standard common information model (CIM), supply arm class is extension class, belong to a kind of electric power container class, inherit in electric power resource class (PowerSystemResource), railway equipment class (Equipment_rems) is inherited in equipment class.
Define and comprise following content based on the supply arm model of the common information model of IEC61970 international standard: follow IEC61970 international standard, the supply district of supply arm, annexation and operational mode etc. are defined; Describe the outlet switch at the railway power supply arm two ends that supply arm model comprises, railway power supply arm block switch, stand between connection wire between annexation; Set up the box type transformation in the power distribution station at described supply arm and two ends and supply district thereof incidence relation, and describe described power distribution station and described box type transformation layout order; The type of supply arm is defined, comprises up arm and the descending arms or arm of trailer system, the self-closing power supply arm of electric power system and the through supply arm of electric power system; Define the operational mode of described supply arm, comprise " prepared auto restart-coincidence ", " single prepared auto restart ", " substance conjunction " and " coincidence-prepared auto restart pattern "; Define this supply arm and the correlation of other supply arm, comprise active/standby relation, neighbouring relations;
The class formation of supply arm is as Fig. 2, and its feature is as follows:
A IEC61970 international standard followed by () this supply arm model, inherit in electric power resource class model (PowerSystemResource), and supply arm model defines the supply district of supply arm, annexation and operational mode etc.
B () this supply arm model is a kind of electric power container model, it comprises the block switch of the outlet switch at railway power supply arm two ends, railway power supply arm, the connection wire between standing, and describes the annexation of these switches, connection wire;
(c) this supply arm model establish box type transformation in the power distribution station at railway power supply arm and two ends and supply district thereof incidence relation, and describe these stations layout order;
D the type of () this supply arm model to railway power supply arm defines, comprise self-closing/through supply arm of railway power system;
The operational mode of (e) this supply arm model definition railway power supply arm and prepared auto restart switching time, mainly comprise " prepared auto restart-coincidence ", " single prepared auto restart ", " substance conjunction " and " coincidence-prepared auto restart pattern ";
F this supply arm of () this supply arm model definition and the correlation of other supply arms, comprise active/standby relation, neighbouring relations.
Railway equipment class (Equipment_rems) increases kilometer post attribute definition (Kilometer) on the basis of IEC61970 international standard equipment class (Equipment), to describe equipment accurate location along the railway.
C++ realizes as follows:
2, draw supply arm figure, and set up supply arm model:
Supply arm graphic plotting and model foundation are links of railway power supply dispatching patcher automatic mapping and modeling, and railway power supply dispatching patcher automatic mapping and modeling are the processes of according to reality, railway power system being carried out to instantiation.The model of railway distribution substation and box-type substation and the mode of connection are very typical, and institute's downline direct of travel order distribution of standing, is beneficial to automatic mapping and modeling.This patent adopt first overall after local be modeled as workflow graph, automatically build power model:
First, draw railway power supply dispatching patcher one-level figure, and set up railway power system block mold.One-level figure is the distribution substation of railway power system institute compass of competency and the schematic diagram of box-type substation, distribution substation in each distribution substation on figure and box-type substation pel and railway power system and box-type substation one_to_one corresponding, described distribution substation and box-type substation are according to the linearly order arrangement of set oriented railway.This step sets up railway power system block mold, and to put in order drawing system one-level figure according to described distribution substation and box-type substation.
Secondly, generate each railway substation and box-type substation main electrical scheme and set up the model of described power distribution station and box-type substation.In railway power supply dispatching patcher design process, according to the typicalness of railway power system distribution substation and box-type substation model (between distribution substation, essential difference between box-type substation is the quantity of electric power incoming line and outlet and the difference of a partiting template), exploitation Automatic Drawing modeling function, and the typical wiring mode extracted from a large amount of railway power system distribution substation and box-type substation, formed and carry corresponding interval ATL.Use described Automatic Drawing modeling function, arrange electric power incoming line and number of outgoing, select partiting template between correspondence, the main wiring diagram that can complete described power distribution station and box-type substation is drawn and modeling work.
Finally, on the basis that the winding diagram completing described power distribution station and box-type substation is drawn, automatically draw supply arm figure, and set up supply arm model.Supply arm figure shows the capital equipment state of the supply district of supply arm, the visual plants such as the order of connection of involved plant stand (distribution substation and box-type substation) and the high-voltage switch gear of electric power system.Connection is passed through between plant stand, by the plant stand object-order recorded in the above-mentioned first step, and circuit two ends end points connection attribute, find supply arm corresponding device object, carry out supply arm figure automatically to draw, these device objects are associated with supply arm container object simultaneously, and improve the attribute configuration of supply arm object by guiding input frame.
3, based on the system failure process of supply arm model:
The fault that railway power supply arm occurs, its coverage is this supply arm, after fault occurs, can according to the fault message collected fault location on supply arm, thus reduce the scope of troubleshooting, reduce the Data Collection amount needed for accident analysis.Its flow process is as Fig. 4: the first step: initialization.Fault analysis and handling software program based on supply arm model loads supply arm model when initialization, and the running status of Real-Time Monitoring railway power system.
Second step: localizing faults to supply arm, and collects supply arm running status change sequence.When the fault analysis and handling software program based on supply arm model monitors the exception occurred in railway power system, according to power model, the abnormal position occurred is navigated to a supply arm.Reclosing or standby automatic function device generally can be installed on supply arm at wall; after abnormal generation, reclosing or prepared auto restart protection can start, and system records the change procedure of each collection capacity of supply arm; form complete fault data, for fault detect.
3rd step: fault Effective judgement.By analysis of failure data, be confirmed whether to break down, if there is fault to occur, enter fault detect flow process, otherwise wait for fault message.
4th step: fault detect.Railway power supply fault mainly comprises phase fault and single-phase earthing.Analysis of failure data, confirm fault type and whether be transient fault.
5th step: form fault isolation schemes.If previous step failure judgement is permanent fault, then form Fault Isolation recovery scheme, and trigger method implementation.
6th step: scheme performs.Fault Isolation is carried out and the operation that restores electricity according to scheme.This step can have dispatcher manually perform or automatically perform.
Present invention applicant has done detailed description and description in conjunction with Figure of description to embodiments of the invention; but those skilled in the art should understand that; above embodiment is only the preferred embodiments of the invention; detailed explanation is just in order to help reader to understand spirit of the present invention better; and be not limiting the scope of the invention; on the contrary, any any improvement of doing based on invention of the present invention spirit or modify all should drop within protection scope of the present invention.
Claims (2)
1., based on a modeled railway power supply arm method for supervising, it is characterized in that, said method comprising the steps of:
(1) definition is based on the supply arm model of the common information model standard of IEC 61970 international standard
Follow IEC 61970 international standard, the supply district of supply arm, annexation and operational mode are defined; Describe the outlet switch at the railway power supply arm two ends that supply arm model comprises, railway power supply arm block switch, stand between connection wire between annexation; Set up the box type transformation in the power distribution station at described supply arm and two ends and supply district thereof incidence relation, and describe described power distribution station and described box type transformation layout order; The type of supply arm is defined, comprises the self-closing power supply arm of railway power system and through supply arm; Define the operational mode of described supply arm, comprise " prepared auto restart-coincidence ", " single prepared auto restart ", " substance conjunction " and " coincidence-prepared auto restart pattern "; Define this supply arm and the correlation of other supply arm, comprise active/standby relation, neighbouring relations;
(2) draw supply arm figure, and set up supply arm model
First, draw railway power system primary connection figure, and set up described railway power system block mold;
Secondly, generate the box type transformation institute's main electrical scheme in supply arm two ends power distribution station and described supply district and set up described power distribution station and described box type transformation model;
Finally, on the basis completing described power distribution station and the winding diagram drafting of box type transformation institute, automatically draw supply arm figure, and set up supply arm model;
(3) based on supply arm model, the fault self-recovery of railway power system is realized.
2. according to claim 1 based on modeled railway power supply arm method for supervising, it is characterized in that:
In step (3), the fault self-recovery based on supply arm model realization railway power system comprises following flow process:
The first step: the fault analysis and handling subsystem of railway power supply dispatching patcher loads supply arm information when described dispatching patcher starts, and in running Real-Time Monitoring supply arm fault occurrences;
Second step: localizing faults is to concrete supply arm, and collect supply arm running status change sequence, when fault analysis and handling subsystem monitors fault generation information, according to described supply arm model, fault incidence is navigated to a supply arm, described railway power supply dispatching patcher records the change procedure of each collection capacity of this supply arm, forms fault data, for fault detect;
3rd step: by analysis of failure data, is confirmed whether to break down, if there is fault to occur, enters the 4th step, otherwise returns first step continuation monitoring supply arm fault generation information;
4th step: confirm fault type and whether be transient fault;
5th step: according to different fault types and be whether that transient fault generates corresponding fault isolation schemes;
6th step: carry out Fault Isolation and the operation that restores electricity according to described fault isolation schemes.
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| CN107290996A (en) * | 2016-04-05 | 2017-10-24 | 天津市英实科技发展有限公司 | Removable railway power supervising device |
| CN109492333B (en) * | 2018-12-11 | 2023-03-07 | 积成电子股份有限公司 | Graph-model matching method for power grid discrete model and wiring mode |
| CN111697569B (en) * | 2020-05-22 | 2022-05-03 | 国网山东省电力公司德州供电公司 | Comprehensive analysis system and method for fault self-healing capability of distribution line |
| CN111562774B (en) * | 2020-07-14 | 2020-10-16 | 宝信软件(成都)有限公司 | Distributed parallel control method and system for subway network electric power SCADA |
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Effective date of registration: 20190320 Address after: 100085 9, four street, Shang Di information industry base, Haidian District, Beijing. Co-patentee after: Beijing Sifang Jibao Engineering Technology Co., Ltd. Patentee after: Beijing Sifang Jibao Automation Co., Ltd. Address before: 100085 9, four street, Shang Di information industry base, Haidian District, Beijing. Patentee before: Beijing Sifang Jibao Automation Co., Ltd. |
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