CN103545805A - Modeling-based railway power supply arm monitoring method - Google Patents
Modeling-based railway power supply arm monitoring method Download PDFInfo
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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 is collected running status and the measured value of equipment in railway power supply net by being arranged on the remote transmission terminal unit (RTU) of plant stand, make management and running personnel can follow the tracks of in time, adjust operation states of electric power system.
Supply arm has defined the supply district in railway power system, and the running status of holding on the whole supply arm is the basis of realizing Fault Isolation and fault recovery.Along with greatly developing of high-speed railway, supply arm, as administrative unit in a railway power system, has obtained more attention.
In the power supply of rail traction at present SCADA system, conventionally by drawing supply arm diagram form, supply arm is carried out to monitoring and controlling, but supply arm is not carried out to special modeling, in dispatcher's course of work, cannot intuitively obtain the running status summary information of supply arm, the direct control to switching to supply arm supplier of electricity, can only not realize supplier of electricity to handoff functionality by operating successively related switch; The troubleshooting technology of rail traction power supply mainly contains two kinds of thinkings, a kind of is troubleshooting technology based on terminating layer, by exploitation new terminal watch-dog or the function of expanding existing terminal monitoring equipment, complete troubleshooting, the method requires can 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 has gathered the information of whole power supply network, only need to develop corresponding software module 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 of common information model (CIM) standard based on IEC61970 international standard, provide a kind of integration and shared mechanism to the power supply unit operation information in set supply district.
The present invention realizes information sharing and the unified management of be mutually related in railway power supply net distribution substation and box-type substation.From supply arm aspect, go to monitor on the one hand the running status of rail traction power supply network, to scheduling, provide effectively operation information more directly perceived; Scope based on its comprehensive data message and supply arm delimited on the other hand, can reduce the complexity of fault location, build more Fault Isolation and the fault recovery scheme of science, realize intelligent dispatch.
The present invention specifically by the following technical solutions.
A modeled railway power supply arm method for supervising, is characterized in that, said method comprising the steps of:
(1) the supply arm model of the common information model standard of definition based on IEC 61970 international standards
Follow IEC 61970 international standards, the supply district of supply arm, annexation and operational mode etc. are defined; The outlet switch at railway power supply arm two ends, the block switch of railway power supply arm that supply arm model comprises are described, the annexation between the connection wire between standing; Set up the power distribution station at described supply arm and two ends and the box type transformation in supply district thereof incidence relation, and describe described power distribution station and described box type transformation layout order; Type to supply arm defines, and comprises the self-closing power supply arm of railway power system and connects supply arm; Define the operational mode of described supply arm, comprise " prepared auto restart-coincidence ", " single prepared auto restart ", " substance closes " and " coincidence-prepared auto restart pattern "; The correlation that defines this supply arm and other supply arm, comprises 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, completing on the basis of 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, realize the fault self-recovery of railway power system.
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 a situation arises;
Second step: location fault 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 the described electric model that supplies, fault incidence is navigated to a supply arm, described iron wire power supply dispatching system is recorded the change procedure of each collection capacity of this supply arm, forms fault data, for fault detect;
The 3rd step: by analysis of failure data, be confirmed whether to break down, if there is fault to occur, enter the 4th step, continue monitoring supply arm fault generation information otherwise return to the first step;
The 4th step: confirm fault type and whether be transient fault;
The 5th step: according to different fault types and whether be that transient fault generates corresponding fault isolation schemes;
The 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 more intuitively the running status of supply arm.When the supply arm model not having 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 obtain by manually gathering the state of measurement of correlation point; After having had supply arm model object, the railway power system monitoring software of having realized 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) reduce the complexity of electric power system troubleshooting, strengthen the accuracy of troubleshooting.There iing supply arm model, when certain point of railway power system breaks down, can easily the scope of accident analysis narrowed down 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 (be clear and definite protection enable logic and the fault propagation direction of relevant protection equipment when breaking down); system can more promptly be collected the required effective information of 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.Base attribute to railway power supply arm is described;
Fig. 4 is the fault message process 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.
The simple railway power system Tu Rutu1， A of distribution substation, the E that comprise a self-closing power supply arm and a perforation supply arm introduce respectively 1 or No. 2 external power sources, give box-type substation power supply along the line.Between the corresponding outlet switch of the A of distribution substation, E, form two supply arms of self-closing perforation.
The application discloses that a kind of the flow process of the method is as said in Fig. 5 based on modeled rail traction supply arm method for supervising, comprises that modeling, instantiation model (Automatic Drawing and modeling) and supply arm monitor and the step such as troubleshooting.Specifically comprise the following steps:
1, set up the supply arm model of common information model (CIM) standard based on IEC61970 international standard:
With regard to railway power system, supply arm Wei Yige distribution substation in normal power supply situation, the self-closing supply district with connecting power segment; Between supply arm and supply arm, have linear array relation, the link that supply arm object comprises adjacent supply arm, can realize its information sharing and collaboration.
In supply arm model, (CFeedingSection) associated class relation, as Fig. 1, has been described the relation of equipment, plant stand and supply arm in railway power system.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.
The supply arm model of the common information model of definition based on IEC61970 international standard comprises following content: follow IEC61970 international standard, the supply district of supply arm, annexation and operational mode etc. are defined; The outlet switch at railway power supply arm two ends, the block switch of railway power supply arm that supply arm model comprises are described, the annexation between the connection wire between standing; Set up the power distribution station at described supply arm and two ends and the box type transformation in supply district thereof incidence relation, and describe described power distribution station and described box type transformation layout order; Type to supply arm defines, and comprises up arm and the descending arm of trailer system, the self-closing power supply arm of electric power system and the perforation supply arm of electric power system; Define the operational mode of described supply arm, comprise " prepared auto restart-coincidence ", " single prepared auto restart ", " substance closes " and " coincidence-prepared auto restart pattern "; The correlation that defines this supply arm and other supply arm, comprises active/standby relation, neighbouring relations;
The class formation of supply arm is as Fig. 2, and its feature is as follows:
(a) this supply arm model is followed IEC61970 international standard, inherits 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 has comprised the outlet switch at railway power supply arm two ends, the block switch of railway power supply arm, the connection wire between standing, and described these switches, connect the annexation of wire;
(c) this supply arm model set up the power distribution station at railway power supply arm and two ends and the box type transformation in supply district thereof incidence relation, and described these stations layout order;
(d) this supply arm model defines the type of railway power supply arm, comprise railway power system self-closing/connect supply arm;
(e) this supply arm model definition operational mode and prepared auto restart switching time of railway power supply arm, mainly comprise " prepared auto restart-coincidence ", " single prepared auto restart ", " substance closes " and " coincidence-prepared auto restart pattern ";
(f) this supply arm model definition the correlation of this supply arm and 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), with description equipment accurate location along the railway.
C++ is achieved as follows:
2, draw supply arm figure, and set up supply arm model:
It is a link of railway power supply dispatching patcher automatic mapping and modeling that supply arm graphic plotting and model are set up, and railway power supply dispatching patcher automatic mapping and modeling are the processes of instantiation of railway power system being carried out according to reality.The model of railway distribution substation and box-type substation and the mode of connection are very typical, and the institute's downline direct of travel of standing sequentially distributes, and is beneficial to automatic mapping and modeling.This patent adopts the workflow graph that is modeled as of first whole rear part, automatically builds 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, each distribution substation on figure and box-type substation pel are corresponding one by one with distribution substation and box-type substation in railway power system, and described distribution substation and box-type substation are linear precedence according to set oriented railway and arrange.This step is set up railway power system block mold, and according to described distribution substation and the box-type substation drawing system one-level figure that puts in order.
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, main 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 extracting from a large amount of railway power system distribution substations and box-type substation, form and carry corresponding interval ATL.Use described Automatic Drawing modeling function, electric power incoming line and number of outgoing are set, partiting template between selection 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 of drawing at the winding diagram that completes described power distribution station and box-type substation, 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 order of connection of related plant stand (distribution substation and box-type substation) and the visual plants such as high-voltage switch gear of electric power system.Between plant stand, pass through connection, by the plant stand object-order recording in the above-mentioned first step, and circuit two ends end points connection attribute, find supply arm corresponding device object, carrying out supply arm figure draws automatically, while carries out these device objects and supply arm container object associated, and by guiding input frame, improves the attribute configuration of supply arm object.
3, the system failure based on supply arm model is processed:
The fault occurring on railway power supply arm, its coverage is this supply arm, after fault occurs, can according to the fault message of collecting fault location to supply arm, thereby the scope of having dwindled troubleshooting reduces the required Data Collection amount of 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: location fault arrives supply arm, and collects supply arm running status change sequence.When the fault analysis and handling software program based on supply arm model monitors occur in railway power system abnormal, according to power model, the abnormal position occurring is navigated to a supply arm.At wall, generally can on supply arm, install reclosing or standby automatic function device; after abnormal generation, reclosing or prepared auto restart protection can start, and system is recorded the change procedure of each collection capacity of supply arm; form complete fault data, for fault detect.
The 3rd step: fault validity 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.
The 4th step: fault detect.Railway power supply fault mainly comprises phase fault and single-phase earthing.Whether analysis of failure data, confirm fault type and be transient fault.
The 5th step: form fault isolation schemes.If previous step failure judgement is permanent fault, form Fault Isolation recovery scheme, and trigger method implementation.
The 6th step: scheme is carried out.According to scheme, carry out Fault Isolation and the operation that restores electricity.This step can have dispatcher manually carry out or automatically perform.
The present patent application people has done detailed explanation 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 better spirit of the present invention; and be not limiting the scope of the invention; on the contrary, within any any improvement of doing based on invention spirit of the present invention or modification all should drop on 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) the supply arm model of the common information model standard of definition based on IEC 61970 international standards
Follow IEC61970 international standard, the supply district of supply arm, annexation and operational mode etc. are defined; The outlet switch at railway power supply arm two ends, the block switch of railway power supply arm that supply arm model comprises are described, the annexation between the connection wire between standing; Set up the power distribution station at described supply arm and two ends and the box type transformation in supply district thereof incidence relation, and describe described power distribution station and described box type transformation layout order; Type to supply arm defines, and comprises the self-closing power supply arm of railway power system and connects supply arm; Define the operational mode of described supply arm, comprise " prepared auto restart-coincidence ", " single prepared auto restart ", " substance closes " and " coincidence-prepared auto restart pattern "; The correlation that defines this supply arm and other supply arm, comprises 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, completing on the basis of 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, realize the fault self-recovery of railway power system.
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 a situation arises;
Second step: location fault 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 the described electric model that supplies, fault incidence is navigated to a supply arm, described iron wire power supply dispatching system is recorded the change procedure of each collection capacity of this supply arm, forms fault data, for fault detect;
The 3rd step: by analysis of failure data, be confirmed whether to break down, if there is fault to occur, enter the 4th step, continue monitoring supply arm fault generation information otherwise return to the first step;
The 4th step: confirm fault type and whether be transient fault;
The 5th step: according to different fault types and whether be that transient fault generates corresponding fault isolation schemes;
The 6th step: carry out Fault Isolation and the operation that restores electricity according to described fault isolation schemes.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109492333A (en) * | 2018-12-11 | 2019-03-19 | 积成电子股份有限公司 | A kind of artwork matching process of power grid discrete model and the mode of connection |
| CN111562774A (en) * | 2020-07-14 | 2020-08-21 | 宝信软件(成都)有限公司 | Distributed parallel control method and system for subway network electric power SCADA |
| CN111697569A (en) * | 2020-05-22 | 2020-09-22 | 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101004752A (en) * | 2006-12-26 | 2007-07-25 | 国电南瑞科技股份有限公司 | Method of jointing multiple regional net models of electric power system |
| US20070185591A1 (en) * | 2004-08-16 | 2007-08-09 | Abb Research Ltd | Method and system for bi-directional data conversion between IEC 61970 and IEC 61850 |
| CN102880792A (en) * | 2012-08-31 | 2013-01-16 | 浙江省电力公司 | Dynamic modeling method of conventional substation based on IEC standard |
| CN102929911A (en) * | 2012-09-10 | 2013-02-13 | 福建省电力有限公司 | All-in-one modeling method for transformer substation and dispatching master station |
-
2013
- 2013-09-16 CN CN201310420977.4A patent/CN103545805B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070185591A1 (en) * | 2004-08-16 | 2007-08-09 | Abb Research Ltd | Method and system for bi-directional data conversion between IEC 61970 and IEC 61850 |
| CN101004752A (en) * | 2006-12-26 | 2007-07-25 | 国电南瑞科技股份有限公司 | Method of jointing multiple regional net models of electric power system |
| CN102880792A (en) * | 2012-08-31 | 2013-01-16 | 浙江省电力公司 | Dynamic modeling method of conventional substation based on IEC standard |
| CN102929911A (en) * | 2012-09-10 | 2013-02-13 | 福建省电力有限公司 | All-in-one modeling method for transformer substation and dispatching master station |
Non-Patent Citations (2)
| Title |
|---|
| 姚勤隆等: "数字式自闭贯通线路保护测控装置的设计", 《铁道机车车辆》 * |
| 熊列彬: "全并联AT供电方式下供电臂保护控制方案", 《电力系统自动化》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109492333A (en) * | 2018-12-11 | 2019-03-19 | 积成电子股份有限公司 | A kind of artwork matching process of power grid discrete model and the mode of connection |
| 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 |
| CN111697569A (en) * | 2020-05-22 | 2020-09-22 | 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 |
| 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 |
| CN111562774A (en) * | 2020-07-14 | 2020-08-21 | 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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