CN109532570A - A kind of short stator train three phase supply control system - Google Patents
A kind of short stator train three phase supply control system Download PDFInfo
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- CN109532570A CN109532570A CN201910019410.3A CN201910019410A CN109532570A CN 109532570 A CN109532570 A CN 109532570A CN 201910019410 A CN201910019410 A CN 201910019410A CN 109532570 A CN109532570 A CN 109532570A
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- rail
- train
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- collector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/30—Power rails
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of short stator train three phase supply control systems, are related to train power supply and operation control technology field.Ac-dc-ac inverter potential device, power rail, tablet, rail and the vehicle-mounted current-collector being set on train, vehicle-mounted three-phase drive winding, vehicle-mounted rectification energy storage device including being set to ground；Wherein power rail is divided into the first power rail and the second power rail, and constitutes three-phase alternating-current powered circuit with the rail of ground connection；The three-phase drive winding of tablet and train incudes work；Ac-dc-ac inverter potential device realizes that train three-phase drive and operation control through three-phase alternating-current powered circuit and the vehicle-mounted three-phase drive winding power of current-collector nematic vehicle, by the ac-dc-ac inverter potential device frequency modulation on ground, pressure regulation power supply；Vehicle-mounted rectification energy storage device assists power supply for electrical equipment to train.
Description
Technical field
The present invention relates to train power supplies and operation control technology field.
Background technique
Existing short stator train (also known as linear motor train) is powered by DC power-supply system.ON TRAINS, electrical equipment
It occupies an important position, most important one is exactly transmission system.Existing short stator train transmission system is by vehicle-mounted inverter and drive
Dynamic winding (short stator) is connected in series, and reaches by frequency modulation to driving winding, pressure regulation driving train and speed governing operation
Purpose, this process are known as train driving.In general, train driving is completed by manual operation under reality, minority is certainly
Dynamic driving.Here there are some problems: first is that, in the electrical equipment of train, transmission system occupies absolute component, weight
Greatly, volume is big；Weight is increased by greatly axis weight, and axis is again bigger, and route cost is higher, and volume then will more occupy greatly the preciousness of train
Space reduces power density and efficiency；Second is that intelligent control and automatic Pilot (ATC) replace pilot steering to be only way,
But under existing train and power supply mode, drive required execution equipment and be respectively mounted ON TRAINS, train be it is mobile, very
To being high-speed mobile, and the order of automatic Pilot (ATC) and it is tissue-derived cannot be straight between ground control centre, the two
Row is tapped into, wireless system is needed to contact, and wireless system failure or failure will cause certain security risk.
Technical problems to be solved are now, on the one hand, save vehicle-mounted inverter, mitigate electric apparatus mounted on vehicle weight, drop
Low-axis-load realizes train lightness, improves train load-carrying efficiency, improves power density, adapts to higher speed operation, another party
Face is directly realized by automatic control to train operation and unmanned by surface power supply.
Summary of the invention
The object of the present invention is to provide a kind of short stator train three phase supply control systems, by the supplier of electricity for changing system
Formula, optimization system structure are effectively reduced axis weight, improve train load-carrying efficiency, improve power density, adapt to higher speed fortune
Row, while the automatic control of train operation and unmanned is directly realized by by surface power supply.
The purpose of the present invention is achieved through the following technical solutions: a kind of short stator train three phase supply control system
System drives including rail, the power rail being laid with parallel with rail and the vehicle-mounted current-collector being set on train, vehicle-mounted three-phase
Dynamic winding, vehicle-mounted rectification energy storage device；Tablet is equipped between the rail and the power rail, the power rail includes the
One power rail and the second power rail；First power rail, second power rail and the rail constitute three-phase alternating current and supply
Electrical circuit, the ac-dc-ac inverter potential device by being set to ground are powered；The power rail is divided into the first power rail and second and supplies
Electric rail；First power rail, second power rail and the rail constitute three-phase alternating-current powered circuit, by the friendship on ground
Straight alternation frequency potential device power supply；The rail ground connection；The vehicle-mounted current-collector include the first current-collector, the second current-collector,
Third current-collector, tail end are separately connected the train-installed three-phase drive winding three-phase terminal, and front end is respectively with described
One power rail, second power rail and rail contact are by electricity；The ac-dc-ac inverter potential device passes through the first power rail
It is driven with the first current-collector, the second power rail and the second current-collector, rail and third current-collector to the vehicle-mounted three-phase of the train
Winding power is moved, and controls the start and stop and operation of train by the frequency modulation of control ac-dc-ac inverter potential device, pressure regulation；It is described
It is vehicle-mounted rectification energy storage device three-phase alternating current terminal connect with the vehicle-mounted three-phase drive winding three-phase terminal, DC terminal and
The auxiliary electrical equipment connection.
Preferably, the rail is divided into the first rail and second rail in parallel with the first rail.Described
One power rail, the second power rail are laid on the sleeper or railway roadbed between the first rail and the second rail, are led between the two
Cross conductor in parallel；First power rail, the second power rail are divided into several segmentations, and every segmentation passes through independent ac-dc-ac inverter
Potential device power supply.
Preferably, the tablet is divided into the first tablet and the second tablet；First tablet is laid in described
Between first rail and the power rail, second tablet is laid between second rail and power rail；Institute
The three-phase drive winding for stating the first tablet and second tablet and the train is correspondingly arranged, and incudes work.
Preferably, the auxiliary electrical equipment of the train mainly includes train air-conditioning, illumination etc.；The auxiliary electrical equipment
Same voltage class is used with vehicle-mounted rectification energy storage device.
It is further preferred that the vehicle-mounted current-collector is all set in train bogie end and exhausted with the bogie of train
Edge, the first current-collector, the second current-collector and the third current-collector mutually insulated of the vehicle-mounted current-collector.
Compared with prior art, the beneficial effects of the present invention are:
One, two power rails and rail (can be grounded) constitute three-phase alternating-current powered circuit, and ground ac-dc-ac inverter becomes
Pressure device gives train three-phase drive winding power through three-phase alternating-current powered circuit, realizes system power supply structure and power supply mode most
Vehicle-mounted inverter is cancelled in optimization, effectively reduces axis weight, realizes train lightweight, improves power density, improves train carrying effect
Rate.
Two, it is supplied through three-phase alternating-current powered circuit to train three-phase drive winding by ground ac-dc-ac inverter potential device
Electricity, directly carried out by frequency modulation and voltage modulation train driving with operation automatic control, realize it is unmanned, realize intelligentized control method and
Operation.
Three, low cost, economic performance are good.
Four, ac-dc-ac inverter potential device in ground does not generate negative-sequence current in power grid, it is ensured that power quality.
Five, technologically advanced, superior performance is easy to implement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention two.
Specific embodiment
In order to be best understood from the invention thinking, now brief description the operation principle of the present invention is that: with existing short stator
Train is compared, and vehicle-mounted inverter can be cancelled, and effectively mitigates train axis weight, improves power density and load-carrying efficiency, realizes system
The optimization of power supply structure and power supply mode drives the three-phase of train by the three-phase alternating-current powered circuit frequency modulation on ground, pressure regulation
Dynamic winding power controls to be directly realized by train driving and operation, and realization is unmanned, passes through vehicle-mounted rectification energy storage device nematic
Vehicle assists power supply for electrical equipment.The invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment one
As shown in Figure 1, the embodiment of the invention provides a kind of short stator train three phase supply control system, which includes
It is set to the ac-dc-ac inverter potential device 3 on ground, power rail 1, is set between the rail R and the power rail 1
Tablet 7, rail R, vehicle-mounted current-collector 2, vehicle-mounted three-phase drive winding 5, the vehicle-mounted rectification energy storage device being set on train 4
6；Ac-dc-ac inverter potential device 3 passes through power rail 1, rail R and vehicle-mounted current-collector 2 to vehicle-mounted three-phase drive winding 5 and vehicle
Rectification energy storage device 6 is carried to power；The power rail 1 is divided for the first power rail 1a and the second power rail 1b；First power rail
1a, the second power rail 1b and the rail R constitute three-phase alternating-current powered circuit, are filled by the ac-dc-ac inverter transformation on ground
Set 3 power supplies；The rail R ground connection；The vehicle-mounted current-collector 2 includes the first current-collector 2a, the second current-collector 2b, third current collection
Device 2c, tail end are separately connected the vehicle-mounted 5 three-phase terminal of three-phase drive winding of the train 4, and front end is supplied with described first respectively
Electric rail 1a, the second power rail 1b and rail R contact are by electricity；The ac-dc-ac inverter potential device 3 passes through described first
Power rail 1a and the first current-collector 2a, the second power rail 1b and the second current-collector 2b, the rail R and institute
It states third current-collector 2c to power to the vehicle-mounted three-phase drive winding 5 of the train 4, and passes through control ac-dc-ac inverter potential device 3
Frequency modulation, pressure regulation control the start and stop and operation of train 4；The three-phase alternating current terminal of the vehicle-mounted rectification energy storage device 6 and institute
State the connection of vehicle-mounted 5 three-phase terminal of three-phase drive winding, DC terminal connect with the auxiliary electrical equipment (be not drawn into figure,
Similarly hereinafter).
The rail R points are the first rail R1 and second rail R2 in parallel with the first rail R1.Described
One power rail 1a, the second power rail 1b are laid on the sleeper or railway roadbed between the first rail R1 and the second rail R2.
In embodiments of the present invention, the tablet 7 divides for the first tablet 7a and the second tablet 7b；First sense
Plate 7a is answered to be layed between the first rail R1 and the power rail 1, the second tablet 7b is layed in described second
Between rail R2 and power rail 1；The three-phase drive of the first tablet 7a and the second tablet 7b and the train 5
Winding 6 is corresponding, incudes work.
The auxiliary electrical equipment of the train 4 mainly includes train air-conditioning, illumination etc.；The auxiliary electrical equipment with it is vehicle-mounted
It rectifies energy storage device 6 and uses same voltage class.
The vehicle-mounted current-collector 2 is mounted on 4 bogie end of train and insulate with the bogie of train 4, described vehicle-mounted
The first current-collector 2a, the second current-collector 2b and third current-collector 2c mutually insulated of current-collector 2.
The ac-dc-ac inverter potential device is powered by electric substation's threephase cable.
Embodiment two
As shown in Fig. 2, a kind of short stator train three phase supply control system, which includes being set to the friendship on ground directly to hand over
Variable-frequency variable-voltage device 3, power rail 1, rail R, the tablet 7 being set between the rail R and the power rail 1, if
Vehicle-mounted current-collector 2, vehicle-mounted three-phase drive winding 5, the vehicle-mounted rectification energy storage device 6 being placed on train 4；Ac-dc-ac inverter transformation dress
3 are set to supply by power rail 1, rail R and vehicle-mounted current-collector 2 to vehicle-mounted three-phase drive winding 5 and vehicle-mounted rectification energy storage device 6
Electricity；The power rail 1 is divided for the first power rail 1a and the second power rail 1b；The first power rail 1a, second power rail
The 1b and rail R constitutes three-phase alternating-current powered circuit, is powered by the ac-dc-ac inverter potential device 3 on ground；The traveling
Rail R ground connection；The vehicle-mounted current-collector 2 includes the first current-collector 2a, the second current-collector 2b, third current-collector 2c, tail end difference
Connect the vehicle-mounted 5 three-phase terminal of three-phase drive winding of the train 4, front end respectively with the first power rail 1a, described second
Power rail 1b and rail R contact is by electricity；The ac-dc-ac inverter potential device 3 passes through the first power rail 1a and the first current-collector
2a, the second power rail 1b and the second current-collector 2b, rail R and third current-collector 2c to the vehicle-mounted three-phase drive of the train 4 around
Group 5 is powered, and the start and stop and operation of train 4 are controlled by the frequency modulation of control ac-dc-ac inverter potential device 3, pressure regulation；Institute
The three-phase alternating current terminal for stating vehicle-mounted rectification energy storage device 6 is connect with the vehicle-mounted 5 three-phase terminal of three-phase drive winding, DC terminal
It is sub to be connect with the auxiliary electrical equipment.
The rail R points are the first rail R1 and second rail R2 in parallel with the first rail R1.Described
One power rail 1a, the second power rail 1b are laid on the sleeper or railway roadbed between the first rail R1 and the second rail R2.
In embodiments of the present invention, the tablet 7 divides for the first tablet 7a and the second tablet 7b；First sense
Plate 7a is answered to be laid between the first rail R1 and the power rail 1, the second tablet 7b is laid in described second
Between rail R2 and power rail 1；The three-phase drive of the first tablet 7a and the second tablet 7b and the train 5
Winding 6 is correspondingly arranged, and incudes work.
The auxiliary electrical equipment of the train 4 mainly includes train air-conditioning, illumination etc.；The auxiliary electrical equipment with it is vehicle-mounted
It rectifies energy storage device 6 and uses same voltage class.
The vehicle-mounted current-collector 2 is mounted on 4 bogie end of train and insulate with the bogie of train 4, described vehicle-mounted
The first current-collector 2a, the second current-collector 2b and third current-collector 2c mutually insulated of current-collector 2.
The ac-dc-ac inverter potential device is powered by electric substation's threephase cable.
The embodiment of the present invention is with the main distinction in above-described embodiment one: the first power rail 1a, the second power supply
Rail 1b is divided into several segmentations, and every segmentation is powered by independent ac-dc-ac inverter potential device 3, to realize what train 4 was run
Discrete control.In the specific embodiment of the invention, two adjacent sectionals are remembered for segmentation i and are segmented i+1 (i is more than or equal to 1), every point
Section is powered by independent ac-dc-ac inverter potential device 3, is convenient for Discrete control train 4.In order to guarantee that train is safe, controllable,
General every segmentation is only limitted to a train passage.
In conclusion the present invention passes through the power supply mode of change system, optimization system structure effectively mitigates mobile unit
Weight is effectively reduced axis weight, realizes train lightweight, improves train load-carrying efficiency, improves power density, adapts to higher speed
Operation, while the automatic control of train operation and unmanned is directly realized by by surface power supply.
Claims (5)
1. a kind of short stator train three phase supply control system, including rail (R), the power supply being laid with parallel with rail (R)
Rail (1) and the vehicle-mounted current-collector (2) being set on train (4), vehicle-mounted three-phase drive winding (5), vehicle-mounted rectification energy storage device
(6)；It is characterized by: tablet (7) are equipped between the rail (R) and the power rail (1), power rail (1) packet
Include the first power rail (1a) and the second power rail (1b)；First power rail (1a), second power rail (1b) with it is described
Rail (R) constitutes three-phase alternating-current powered circuit, and the ac-dc-ac inverter potential device (3) by being set to ground is powered；It is described walk
Row rail (R) ground connection；The vehicle-mounted current-collector (2) includes the first current-collector (2a), the second current-collector (2b), third current-collector
(2c), their tail end are connect with the three-phase terminal of the vehicle-mounted three-phase drive winding (5) of the train (4) respectively by cable,
Their front end is contacted with first power rail (1a), second power rail (1b) and the rail (R) by electricity respectively；
The ac-dc-ac inverter potential device (3) passes through first power rail (1a) and first current-collector (2a), described second
Power rail (1b) and second current-collector (2b), the rail (R) and third current-collector (2c) the Xiang Suoshu train (4)
The power supply of vehicle-mounted three-phase drive winding (5), and controlled by the frequency modulation of the control ac-dc-ac inverter potential device (3), pressure regulation
Make the start and stop and operation of the train (4)；The three-phase alternating current terminal and the vehicle-mounted three-phase of vehicle-mounted rectification energy storage device (6)
The connection of winding (5) three-phase terminal is driven, DC terminal is connect with auxiliary electrical equipment.
2. a kind of short stator train three phase supply control system according to claim 1, it is characterised in that: the rail
It (R) include the first rail (R1) and second rail (R2) in parallel with the first rail (R1).
3. three rail electric power supply control system of a kind of short stator train according to claim 1 or 2, it is characterised in that: described
One power rail (1a), the second power rail (1b) are laid on sleeper or road between the first rail (R1) and the second rail (R2)
On bed；First power rail (1a), the second power rail (1b) are by train running interval setting segmentation, and each segmentation is by only
Vertical ac-dc-ac inverter potential device (3) power supply.
4. a kind of short stator train three phase supply control system according to claim 1, it is characterised in that: the tablet
(7) it is divided into the first tablet (7a) and the second tablet (7b)；First tablet (7a) is layed in first rail
(R1) between the power rail (1), second tablet (7b) is layed in second rail (R2) and power rail (1)
Between；First tablet (7a) and second tablet (7b) are corresponding with three-phase drive winding (6) of the train (5)
Setting incudes work.
5. a kind of short stator train three phase supply control system according to claim 1, it is characterised in that: the vehicle-mounted collection
Electric appliance (2) is all set in train (4) bogie end and insulate with the bogie of train (4), and the of the vehicle-mounted current-collector (2)
One current-collector (2a), the second current-collector (2b) and third current-collector (2c) mutually insulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019410.3A CN109532570B (en) | 2019-01-09 | 2019-01-09 | Three-phase power supply control system of short stator train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019410.3A CN109532570B (en) | 2019-01-09 | 2019-01-09 | Three-phase power supply control system of short stator train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109532570A true CN109532570A (en) | 2019-03-29 |
| CN109532570B CN109532570B (en) | 2023-04-28 |
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|---|---|---|---|
| CN201910019410.3A Active CN109532570B (en) | 2019-01-09 | 2019-01-09 | Three-phase power supply control system of short stator train |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004284434A (en) * | 2003-03-20 | 2004-10-14 | Railway Technical Res Inst | Slider coupling device for section insulator |
| JP2013116004A (en) * | 2011-11-30 | 2013-06-10 | Ihi Corp | Mobile vehicle and non-contact power transmission apparatus |
| CN205651990U (en) * | 2016-04-07 | 2016-10-19 | 西南交通大学 | Track traffic three -phase AC structure of supplying power |
| CN106428035A (en) * | 2016-09-30 | 2017-02-22 | 中车南京浦镇车辆有限公司 | Main circuit system suitable for energy-storage type tramcar |
| CN106945564A (en) * | 2017-05-08 | 2017-07-14 | 中车资阳机车有限公司 | A kind of train of storage battery power supply, train network control system |
| CN107962982A (en) * | 2017-12-05 | 2018-04-27 | 西南交通大学 | A kind of three-phase traction electric power system |
| CN108136918A (en) * | 2015-09-30 | 2018-06-08 | 三菱电机株式会社 | For reducing the system and method for the power consumption of the railway system |
| CN108146297A (en) * | 2017-12-30 | 2018-06-12 | 中铁第四勘察设计院集团有限公司 | A kind of electric railway ground electricity split-phase uninterruptible power supply system |
-
2019
- 2019-01-09 CN CN201910019410.3A patent/CN109532570B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004284434A (en) * | 2003-03-20 | 2004-10-14 | Railway Technical Res Inst | Slider coupling device for section insulator |
| JP2013116004A (en) * | 2011-11-30 | 2013-06-10 | Ihi Corp | Mobile vehicle and non-contact power transmission apparatus |
| CN108136918A (en) * | 2015-09-30 | 2018-06-08 | 三菱电机株式会社 | For reducing the system and method for the power consumption of the railway system |
| CN205651990U (en) * | 2016-04-07 | 2016-10-19 | 西南交通大学 | Track traffic three -phase AC structure of supplying power |
| CN106428035A (en) * | 2016-09-30 | 2017-02-22 | 中车南京浦镇车辆有限公司 | Main circuit system suitable for energy-storage type tramcar |
| CN106945564A (en) * | 2017-05-08 | 2017-07-14 | 中车资阳机车有限公司 | A kind of train of storage battery power supply, train network control system |
| CN107962982A (en) * | 2017-12-05 | 2018-04-27 | 西南交通大学 | A kind of three-phase traction electric power system |
| CN108146297A (en) * | 2017-12-30 | 2018-06-12 | 中铁第四勘察设计院集团有限公司 | A kind of electric railway ground electricity split-phase uninterruptible power supply system |
Non-Patent Citations (1)
| Title |
|---|
| 陈民武;李群湛;魏光;: "新型同相牵引供电系统设计与评估" * |
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