CN106055852B - A kind of operation of subway train and tractive power supply system coupling Simulation modeling method - Google Patents
A kind of operation of subway train and tractive power supply system coupling Simulation modeling method Download PDFInfo
- Publication number
- CN106055852B CN106055852B CN201610580924.2A CN201610580924A CN106055852B CN 106055852 B CN106055852 B CN 106055852B CN 201610580924 A CN201610580924 A CN 201610580924A CN 106055852 B CN106055852 B CN 106055852B
- Authority
- CN
- China
- Prior art keywords
- train
- power supply
- supply system
- node
- traction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
Abstract
The invention discloses a kind of operations of subway train and tractive power supply system coupling Simulation modeling method, comprising: vehicle-net coupling Simulation computation model of electric power supply system for subway is constructed based on each force device property parameters of equivalent quasi-ization of coupled relation between train traction power supply system and train traction transmission system；The direction of energy value of train traction power supply system is calculated according to the vehicle of electric power supply system for subway-net coupling Simulation computation model；The departure interval is adjusted according to the direction of energy value and route map of train of train traction power supply system to be suitable for that different operating condition trains are run on time on schedule.Emulation modelling method provided by the invention, it is that analog equivalent is carried out to force device in tractive power supply system based on the coupled relation between tractive power supply system and train traction transmission system, the coupled relation between train and Traction networks can be more accurately described, more vehicle operation vehicle nets on the actual track of subway scene is accurately and efficiently described and is electrically coupled phenomenon in real time.
Description
Technical field
The present invention relates to imitation technology fields, and in particular to a kind of operation of subway train is coupled with tractive power supply system
Emulation modelling method.
Background technique
Tractive power supply system is basic energy resource facility mostly important in City Rail Transit System, and function is for track
Electric vehicle power supply in traffic system, it is ensured that the normal operation of rail transit train vehicle.Currently, the metro traction in China supplies
Electric system mostly uses DC750V or DC1500V two-side feeding mode, and domestic and foreign scholars supply for the metro traction of this power supply mode
Electric system modeling of DC link method and its associate power trend value calculating method have carried out a large amount of further investigation, wherein use compared with
More tractive power supply system models have loop current model and node voltage model.Loop current model be only suitable for by contact net,
The single system of rail and return wire composition, for calculating the voltage and current of contact net and rail and along the longitudinal direction of contact net
Distribution；Node voltage model is suitable for having randomly topologically structured Traction networks, and to the Traction networks under other power supply systems
It is also suitable, application is relatively broad.
In the prior art, train is considered as power source load and is based on 12 pulse wave rectifier unit models by related scholar, in conjunction with
MTLs model building is suitable for the Traction networks of different structure and power supply mode, but does not illustrate train in under-voltage operating condition comprehensively
Under practical tractive force size and vehicle-pessimistic concurrency control is not considered as entirety, have ignored vehicle net and coupled in real time to train net voltage fluctuation
Influence, simulation result accuracy is high.
Summary of the invention
To be solved by this invention is using existing subway traction power supply analogue system train equivalent model simulation calculation
As a result the not high problem of accuracy.
The present invention is achieved through the following technical solutions:
A kind of operation of subway train and tractive power supply system coupling Simulation modeling method, comprising: powered based on train traction
Each force device property parameters of equivalent quasi-ization of coupled relation between system and train traction transmission system are to construct subway power supply
The vehicle of system-net coupling Simulation computation model；Train is calculated according to the vehicle of electric power supply system for subway-net coupling Simulation computation model to lead
Draw the direction of energy value of power supply system；Between being dispatched a car according to the adjustment of the direction of energy value and route map of train of train traction power supply system
Every to be suitable for that different operating condition trains are run on time on schedule.
Emulation modelling method provided by the invention is based on the coupling between tractive power supply system and train traction transmission system
Relationship carries out analog equivalent to force device in tractive power supply system, in conjunction with the pulling figure and vehicle net of train traction transmission system
Relationship constructs vehicle-net coupling Simulation computation model of electric power supply system for subway, calculates each node voltage of tractive power supply system, branch
Electric current, Traction networks network pressure and current on line side etc..Compared with prior art, the present invention can be described more accurately between train and Traction networks
Coupled relation, accurately and efficiently describe more vehicles operation vehicle nets on the actual track of subway scene and be electrically coupled phenomenon in real time, to traction
The layout of power supply system Capacity design and timetable has certain directive function.
Further, based on equivalent quasi-ization of coupled relation between train traction power supply system and train traction transmission system
Each force device property parameters include: with the vehicle-net coupling Simulation computation model for constructing electric power supply system for subway
Conductor rail, DC feeder and bus are considered as homogeneous resistance and are equivalent to resistance and is connected with conducting wire, will be led
Draw electric substation and be equivalent to that DC voltage source is in series with a resistor, the power source that train is considered as consumption active electrical degree and idle electric degree is born
Lotus；
It is constructed and is powered according to force device property parameters each after train traction power supply system topology diagram and equivalent quasi-ization
System physical model, and two rail transmission lines in power supply system physical model are equivalent to one section of electric power containing internal resistance
Line；
It is numbered and constructs node admittance matrix to train and train position, number order is from left to right followed successively by power transformation
Institute's feed node, electric substation's reflux node, train take stream node, train reflux node；
Nodal admittance equation U=Y is created according to node initializing parameter-1I, wherein I is node Injection Current, and U is node
Voltage, Y are node admittance matrix.
Further, the direction of energy value of train traction power supply system is calculated using the nodal method of analysis.
Further, train traction power supply system is calculated according to the vehicle of electric power supply system for subway-net coupling Simulation computation model
Direction of energy value include:
Whether be for the first time calculate, calculate if first time, setting Rectification Power Factor work area is first if judging that this is calculated
Otherwise operation interval redefines the working characteristics of Rectification Power Factor；
According to It=P/UtCalculate train node Injection Current, wherein ItFor train node Injection Current, P is branch function
Rate, UtFor node injecting voltage；
Calculate node Injection Current；
Judge whether Rectification Power Factor load current meets the requirements, if Rectification Power Factor load current is unsatisfactory for requiring, again really
Determine the working characteristics of Rectification Power Factor, otherwise calculates each node voltage；
Judge whether train voltage restrains, if train voltage does not restrain the working characteristics for redefining Rectification Power Factor, otherwise
Calculate train operation tractive force, Associated brake power, datum drag and various additional drags.
Further, more particle traction computation models are constructedWith
Calculate train operation tractive force, Associated brake power, datum drag and various additional drags, wherein v is train running speed, t
For Train Schedule, s is train operation distance, Ft(v) maximum drawbar pull when be train running speed being v, BbIt (v) is column
Maximum braking force when the vehicle speed of service is v, ω0It (v) is train operation Unit basic resistance, utFor traction level and ut∈[0,
1], ubFor braking level and ub∈ [0,1], ωjIt (x) is unit route additional drag, M is train weight, and g is earth surface
Acceleration of gravity.
Further, the departure interval is adjusted with suitable according to the direction of energy value and route map of train of train traction power supply system
Preferably operation includes: difference operating condition train on schedule on time
Traction electric machine permanent torque operation side is established according to the relationship between train voltage on line side, tractive force and current on line side
Journey Uu×Iu× t × μ=Ft(v) × v × t, wherein μ is energy conversion efficiency, UuFor train voltage on line side, IuFor train net side
Electric current；
According to Uj×Ij=Ui×IiIt obtainsValue, and according toValue adjust train running speed and its corresponding work
Condition, wherein UjFor j node voltage, IjFor j node current, UiFor i-node voltage, IiFor i-node electric current.
Compared with prior art, the present invention having the following advantages and benefits:
Subway train operation provided by the invention and tractive power supply system coupling Simulation modeling method, train is embedded into and is led
Draw in power supply network building vehicle-net coupling model, calculate each node voltage of tractive power supply system, branch current, Traction networks network pressure with
Current on line side etc..The present invention can more accurately describe the coupled relation between train and Traction networks, and it is existing accurately and efficiently to describe subway
More vehicles operation vehicle nets are electrically coupled phenomenon in real time on the actual track of field, have to the layout of tractive power supply system Capacity design and timetable
There is certain directive function.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is that the subway train operation of the embodiment of the present invention and the process of tractive power supply system coupling Simulation modeling method are shown
It is intended to；
Fig. 2 is the structural schematic diagram of the bilateral tractive power supply system of subway of the embodiment of the present invention；
Fig. 3 is the metro traction power system physical model schematic diagram of the embodiment of the present invention；
Fig. 4 is the metro traction net topology structural schematic diagram of the embodiment of the present invention；
Fig. 5 is the flow diagram for the direction of energy value that the embodiment of the present invention calculates train traction power supply system；
Fig. 6 is the subway train operation curve and ATO control vehicle schematic illustration of the embodiment of the present invention；
Fig. 7 is the voltage on line side and distance Curve schematic diagram of the embodiment of the present invention；
Fig. 8 is the speed and distance Curve schematic diagram of the embodiment of the present invention；
Fig. 9 is the traction/regenerative braking force and distance Curve schematic diagram of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment
Fig. 1 is that the subway train operation of the embodiment of the present invention and the process of tractive power supply system coupling Simulation modeling method are shown
It is intended to, the subway train operation and tractive power supply system coupling Simulation modeling method include step S1~step S3.
Step S1, it is each based on equivalent quasi-ization of coupled relation between train traction power supply system and train traction transmission system
Force device property parameters are to construct vehicle-net coupling Simulation computation model of electric power supply system for subway.
Conductor rail, DC feeder and bus are considered as homogeneous resistance and are equivalent to resistance and is connected with conducting wire, will be led
Draw electric substation and be equivalent to that DC voltage source is in series with a resistor, the power source that train is considered as consumption active electrical degree and idle electric degree is born
Lotus.Specifically, according to metro traction power system composed structure and the abstract middle buckling electricity of Railway Site operation actual scene simulation
It is bilateral to draw subway as shown in Figure 2 for institute, traction substation, Rectification Power Factor, return wire, feeder line, Traction networks, rail, train etc.
The structural schematic diagram of power supply system, according to transmission line theory and associate power component attributes parameter and functional characteristic in Fig. 2
Force device carries out physical characteristic quasi-ization.
It is constructed and is powered according to force device property parameters each after train traction power supply system topology diagram and equivalent quasi-ization
System physical model, and two rail transmission lines in power supply system physical model are equivalent to one section of electric power containing internal resistance
Line.The power supply system physical model of building is as shown in figure 3, be equivalent to one section of power line containing internal resistance for two rail transmission lines
Afterwards, metro traction net topology structure is as shown in Figure 4.
It is numbered and constructs node admittance matrix to train and train position, number order is from left to right followed successively by power transformation
Institute's feed node, electric substation's reflux node, train take stream node, train reflux node.Assuming that system has N number of node, then node
Admittance matrix indicates are as follows:
To the general Y of each element in matrixpqIt indicates, as p=q, YpqFor the self-admittance of node p, indicate and p-th
The sum of the admittance of the associated all branches of node.As p ≠ q, YpqAs the transadmittance between node p and node q, connection is indicated
Meet the negative of admittance between p-th of node and q-th of node, and Ypq=Yqp, wherein when node p and node q is without being directly linked,
Ypq=Yqp=0.
Nodal admittance equation U=Y is created according to node initializing parameter-1I, wherein I is node Injection Current, and U is node
Voltage, Y are node admittance matrix.After the completion of Nodal admittance equation creation, the electric power tide of train traction power supply system can be calculated
Flow valuve.
Step S2 calculates train traction power supply system according to the vehicle of electric power supply system for subway-net coupling Simulation computation model
Direction of energy value.In the present embodiment, the direction of energy value of train traction power supply system is calculated using the nodal method of analysis.Fig. 5 is
The embodiment of the present invention calculates the flow diagram of the direction of energy value of train traction power supply system, the calculating train traction power supply
The direction of energy value of system includes:
Whether be for the first time calculate, calculate if first time, setting Rectification Power Factor work area is first if judging that this is calculated
Otherwise operation interval redefines the working characteristics of Rectification Power Factor；According to It=P/UtCalculate train node Injection Current, wherein
ItIt is branch power, U for train node Injection CurrenttFor node injecting voltage；Calculate node Injection Current, injects according to node
Electric current can calculate Rectification Power Factor load current；Judge whether Rectification Power Factor load current meets the requirements, if P Rectification Power Factor load electricity
Stream is unsatisfactory for requiring, and redefines the working characteristics of Rectification Power Factor, otherwise calculates each node voltage；Judge whether train voltage is received
It holds back, if train voltage does not restrain the working characteristics for redefining Rectification Power Factor, otherwise calculates train operation tractive force, Associated brake
Power, datum drag and various additional drags.
Further, if determining that the working characteristics of Rectification Power Factor includes: that certain Rectification Power Factor load current is less than work at present
The corresponding load current range in section, then it is previous operation interval that the Rectification Power Factor operation interval, which is arranged,；If certain Rectification Power Factor
Load current is greater than the corresponding load current range in work at present section, then it is latter work that the Rectification Power Factor operation interval, which is arranged,
Section.Judge whether train voltage restrains and refers to that judge whether calculated each train node voltage size has met given
The calculation formula of convergence precision ε, ε are as follows:
Wherein, r is r column train,After r column train kth time iteration, the Traction networks network pressure of train position
Value.
In the present embodiment, more particle traction computation models are constructedWith
Calculate train operation tractive force, Associated brake power, datum drag and various additional drags, wherein v is train running speed, t
For Train Schedule, s is train operation distance, Ft(v) maximum drawbar pull when be train running speed being v, BbIt (v) is column
Maximum braking force when the vehicle speed of service is v, ω0It (v) is train operation Unit basic resistance, utFor traction level and ut∈[0,
1], ubFor braking level and ub∈ [0,1], ωjIt (x) is unit route additional drag, M is train weight, and g is earth surface
Acceleration of gravity.
Step S3 adjusts the departure interval according to the direction of energy value and route map of train of train traction power supply system to be suitable for
Different operating condition trains are run on schedule on time.Specifically, according between train voltage on line side, tractive force and current on line side
Relationship establishes traction electric machine permanent torque operation equation Uu×Iu× t × μ=Ft(v) × v × t, wherein μ is energy conversion efficiency,
UuFor train voltage on line side, IuFor train current on line side；According to Uj×Ij=Ui×IiIt obtainsValue, and according toValue tune
Save train running speed and its corresponding operating condition, wherein UjFor j node voltage, IjFor j node current, UiFor i-node voltage, Ii
For i-node electric current.According to a plurality of offline optimal curve dynamic adjustment subway preset in traction direction of energy value, tractive force and ATO
Train operation, operation curve and ATO control vehicle principle are as shown in Figure 6.As known to those skilled in the art how according to traction electric power tide
Preset a plurality of offline optimal curve dynamic adjustment subway train operation in flow valuve, tractive force and ATO, details are not described herein.
The effect of technical solution in order to better illustrate the present invention, inventor have carried out number according to the method provided by the invention
Simulating, verifying.Since the data run between train station are more, the data of three traffic coverages of interception are compared analysis, right
It is calculated in these three sections using coupling than train and song is not run using the speed-distance for couple subway train under calculated case
Line, train voltage on line side-distance Curve and train traction/regenerative braking force-distance Curve.
Fig. 7 is the voltage on line side and distance Curve schematic diagram of the embodiment of the present invention.As shown in Figure 7, use coupling calculate with
Afterwards, fluctuation range when train voltage on line side fluctuation range using coupling than not calculated is small.The reason is that consider coupling calculate with
Afterwards, voltage on line side affects the performance of power of traction motor.Under regenerative braking operating condition, it is assumed that network pressure level is drawing always change
In electric institute's allowed band, the raising of network pressure is not much different, but in traction working condition, and the reduction of network pressure leads to train traction characteristic
Forward, power decline, to reduce the reduction amount of network pressure.
Fig. 8 is the speed and distance Curve schematic diagram of the embodiment of the present invention.As shown in Figure 8, after being calculated using coupling, column
When vehicle is in traction working condition, network pressure is lower than the specified network pressure of traction drive, and pulling figure perseverance function point has the case where migration.Cause
This, in high speed, the tractive force under identical speed will be lower than level when normal network pressure, and the highest running speed of train is intended to compare
It decreases under normal network pressure.
Fig. 9 is the traction/regenerative braking force and distance Curve schematic diagram of the embodiment of the present invention.As shown in Figure 9, using coupling
It after calculating, is equally influenced by network pressure reduction, when train is in traction working condition, the tractive force under identical speed will be lower than normal
Level when network pressure, and it is then essentially identical in regenerative braking.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. a kind of subway train operation and tractive power supply system coupling Simulation modeling method characterized by comprising
Based on each force device category of equivalent quasi-ization of coupled relation between train traction power supply system and train traction transmission system
Property parameter is to construct vehicle-net coupling Simulation computation model of electric power supply system for subway；
The direction of energy value of train traction power supply system is calculated according to the vehicle of electric power supply system for subway-net coupling Simulation computation model；
The departure interval is adjusted according to the direction of energy value and route map of train of train traction power supply system to be suitable for different operation works
Condition train is run on schedule on time；It is equivalent quasi- based on the coupled relation between train traction power supply system and train traction transmission system
Change each force device property parameters to construct the vehicle of electric power supply system for subway-net coupling Simulation computation model and include:
Conductor rail, DC feeder and bus are considered as homogeneous resistance and are equivalent to resistance and is connected with conducting wire, traction is become
The be equivalent to DC voltage source of electricity is in series with a resistor, and train is considered as to the power source load of consumption active electrical degree and idle electric degree；
Power supply system is constructed according to force device property parameters each after train traction power supply system topology diagram and equivalent quasi-ization
Physical model, and two rail transmission lines in power supply system physical model are equivalent to one section of power line containing internal resistance；
It is numbered and constructs node admittance matrix to train and train position, number order is from left to right followed successively by electric substation's feedback
Electrical nodes, electric substation's reflux node, train take stream node, train reflux node；
Nodal admittance equation U=Y is created according to node initializing parameter-1I, wherein I is node Injection Current, and U is node electricity
Pressure, Y is node admittance matrix.
2. a kind of subway train operation according to claim 1 and tractive power supply system coupling Simulation modeling method, special
Sign is, the direction of energy value of train traction power supply system is calculated using the nodal method of analysis.
3. a kind of subway train operation according to claim 2 and tractive power supply system coupling Simulation modeling method, special
Sign is, the direction of energy of train traction power supply system is calculated according to the vehicle of electric power supply system for subway-net coupling Simulation computation model
Value includes:
Whether be for the first time calculate, calculate if first time, setting Rectification Power Factor work area is first job if judging that this is calculated
Otherwise section redefines the working characteristics of Rectification Power Factor；
According to It=P/UtCalculate train node Injection Current, wherein ItFor train node Injection Current, P is branch power, UtFor
Node injecting voltage；
Calculate node Injection Current；
Judge whether Rectification Power Factor load current meets the requirements, if Rectification Power Factor load current is unsatisfactory for requiring, redefines whole
The working characteristics for flowing unit, otherwise calculates each node voltage；
Judge whether train voltage restrains, if train voltage does not restrain the working characteristics for redefining Rectification Power Factor, otherwise calculates
Train operation tractive force, Associated brake power, datum drag and various additional drags.
4. a kind of subway train operation according to claim 3 and tractive power supply system coupling Simulation modeling method, special
Sign is, constructs more particle traction computation modelsWithCalculate train
Run tractive force, Associated brake power, datum drag and various additional drags, wherein v is train running speed, and t is train fortune
Row time, s are train operation distance, Ft(v) maximum drawbar pull when be train running speed being v, BbIt (v) is train operation speed
Maximum braking force when degree is v, ω0It (v) is train operation Unit basic resistance, utFor traction level and ut∈ [0,1], ubFor
Brake level and ub∈ [0,1], ωjIt (x) is unit route additional drag, M is train weight, and g is that the gravity of earth surface accelerates
Degree.
5. a kind of subway train operation according to claim 4 and tractive power supply system coupling Simulation modeling method, special
Sign is, adjusts the departure interval according to the direction of energy value and route map of train of train traction power supply system to be suitable for different operations
Operation includes: operating condition train on schedule on time
Traction electric machine permanent torque operation equation U is established according to the relationship between train voltage on line side, tractive force and current on line sideu
×Iu× t × μ=Ft(v) × v × t, wherein μ is energy conversion efficiency, UuFor train voltage on line side, IuFor train net side electricity
Stream；
According to Uj×Ij=Ui×IiIt obtainsValue, and according toValue adjust train running speed and its corresponding operating condition,
In, UjFor j node voltage, IjFor j node current, UiFor i-node voltage, IiFor i-node electric current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580924.2A CN106055852B (en) | 2016-07-21 | 2016-07-21 | A kind of operation of subway train and tractive power supply system coupling Simulation modeling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580924.2A CN106055852B (en) | 2016-07-21 | 2016-07-21 | A kind of operation of subway train and tractive power supply system coupling Simulation modeling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106055852A CN106055852A (en) | 2016-10-26 |
| CN106055852B true CN106055852B (en) | 2019-03-12 |
Family
ID=57418423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610580924.2A Active CN106055852B (en) | 2016-07-21 | 2016-07-21 | A kind of operation of subway train and tractive power supply system coupling Simulation modeling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106055852B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107391814B (en) * | 2017-07-03 | 2020-09-08 | 西南交通大学 | Traction network-motor train unit modeling method for high-speed rail station yard |
| CN107423494B (en) * | 2017-07-03 | 2020-06-19 | 西南交通大学 | High-speed rail train-network model construction method considering influence of vehicle-mounted passing neutral section of motor train unit |
| CN111597672B (en) * | 2019-02-19 | 2022-07-22 | 南京南瑞继保电气有限公司 | Subway electric power dispatching system power flow simulation method based on traction calculation result |
| CN110190603B (en) * | 2019-05-23 | 2023-04-21 | 西南交通大学 | Urban rail power supply system driving arrangement decision-making system and method based on PSCADA real-time data |
| CN112446086B (en) * | 2019-08-27 | 2024-04-26 | 中车株洲电力机车研究所有限公司 | Simulation method and device for magnetic suspension train |
| CN111191181B (en) * | 2019-12-12 | 2023-04-28 | 同济大学 | Operation energy consumption calculation method for optimizing energy-saving speed of multiple trains in rail transit |
| CN113765151B (en) * | 2020-06-04 | 2023-09-22 | 株洲变流技术国家工程研究中心有限公司 | Energy optimization scheduling method and device |
| CN111967708A (en) * | 2020-06-29 | 2020-11-20 | 中铁第一勘察设计院集团有限公司 | Operation stability evaluation method and device based on harmonic resonance of traction power supply system |
| CN112464603A (en) * | 2020-12-10 | 2021-03-09 | 广州市扬新技术研究有限责任公司 | Calculation method for current distribution of traction station in direct-current traction network |
| CN112906299B (en) * | 2021-02-05 | 2023-10-13 | 北京交通大学 | Digital twin simulation data calculation method and system of urban rail power supply system |
| CN113138089A (en) * | 2021-04-21 | 2021-07-20 | 重庆中车长客轨道车辆有限公司 | Simulation operation method for railway vehicle test line |
| CN114030360A (en) * | 2022-01-10 | 2022-02-11 | 北京和利时系统工程有限公司 | Train operation control method and system |
| CN115622111B (en) * | 2022-11-07 | 2023-05-16 | 清华大学 | Optimal power flow calculation method and device for flexible direct current traction power supply system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140050519A (en) * | 2012-10-19 | 2014-04-29 | 한국전자통신연구원 | Train protection apparatus and method based on m2m communication |
| CN105375482A (en) * | 2015-12-15 | 2016-03-02 | 彭江莲 | Power-supply network flow calculation method for tramcar |
-
2016
- 2016-07-21 CN CN201610580924.2A patent/CN106055852B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140050519A (en) * | 2012-10-19 | 2014-04-29 | 한국전자통신연구원 | Train protection apparatus and method based on m2m communication |
| CN105375482A (en) * | 2015-12-15 | 2016-03-02 | 彭江莲 | Power-supply network flow calculation method for tramcar |
Non-Patent Citations (1)
| Title |
|---|
| 列车运行综合仿真平台之车网电耦合仿真研究;李金健;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20131115(第11期);第26-51页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106055852A (en) | 2016-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106055852B (en) | A kind of operation of subway train and tractive power supply system coupling Simulation modeling method | |
| CN106253289B (en) | A kind of electric power supply system for subway power flow calculation method of vehicle net coupling | |
| CN107067110A (en) | Charging electric vehicle load spatio-temporal prediction method under car Road network pattern | |
| López-López et al. | Assessment of energy-saving techniques in direct-current-electrified mass transit systems | |
| CN105303021B (en) | The adaptive real-time dynamic Mathematical Modeling Methods of urban track traffic DC traction power-supply system | |
| CN106444421A (en) | Train traction-brake controller system of urban rail transit and working method of system | |
| CN103021221A (en) | Simulation system and simulation method for virtual driving behavior of drivers of subway trains | |
| CN101894191B (en) | Method for simulating coupling between vehicle and traction network and power system | |
| CN101719182A (en) | Parallel partition electromagnetic transient digital simulation method of AC and DC power system | |
| Gao et al. | Control of urban rail transit equipped with ground-based supercapacitor for energy saving and reduction of power peak demand | |
| CN108562300A (en) | Consider the electric vehicle charging bootstrap technique of destination guiding and next stroke power demand | |
| CN106541856A (en) | The computational methods of electrical couplings function coefficient in EMUs earth-return circuit | |
| CN104346525B (en) | Method for calculating accumulated power of multiple trains of traction substation of electricity supply system of urban rail transit | |
| CN109598377B (en) | AC/DC hybrid power distribution network robust planning method based on fault constraint | |
| CN105653818A (en) | Electrified railway traction net impedance calculation method | |
| CN110705779A (en) | Electric power-traffic network multi-period cooperative scheduling method considering traffic flow time domain coupling | |
| Mao et al. | The modeling and simulation of dc traction power supply network for urban rail transit based on simulink | |
| CN109672200A (en) | City rail traffic ground super capacitor energy-storage system distributed and coordinated control optimization method | |
| CN109992843B (en) | Urban rail transit train operation diagram construction method based on operation grade | |
| CN110244810A (en) | The acquisition methods of Stray current values in tractive power supply system | |
| Diab et al. | A complete DC trolleybus grid model with bilateral connections, feeder cables, and bus auxiliaries | |
| CN106505575A (en) | A kind of Line Flow economic load dispatching method based on Granule Computing | |
| Alnuman et al. | Electrical modelling of a metro system | |
| Jung et al. | A study on peak power reduction using regenerative energy in railway systems through DC subsystem interconnection | |
| CN105375482A (en) | Power-supply network flow calculation method for tramcar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |