CN107554313B - Railway vehicle traction system and rail vehicle - Google Patents
Railway vehicle traction system and rail vehicle Download PDFInfo
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- CN107554313B CN107554313B CN201710868719.0A CN201710868719A CN107554313B CN 107554313 B CN107554313 B CN 107554313B CN 201710868719 A CN201710868719 A CN 201710868719A CN 107554313 B CN107554313 B CN 107554313B
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- Prior art keywords
- traction
- output end
- natural gas
- input terminal
- generator
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L9/00—Electric propulsion with power supply external to the vehicle
- B60L9/16—Electric propulsion with power supply external to the vehicle using ac induction motors
- B60L9/24—Electric propulsion with power supply external to the vehicle using ac induction motors fed from ac supply lines
- B60L9/28—Electric propulsion with power supply external to the vehicle using ac induction motors fed from ac supply lines polyphase motors
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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
- Y02T10/62—Hybrid vehicles
-
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Abstract
The present invention provides a kind of railway vehicle traction system and rail vehicle.Railway vehicle traction system of the invention includes natural gas trailer system and traction generator, the natural gas trailer system and the output end of traction generator are connected with the input terminal of tractive force transmission system, the output end of the tractive force transmission system is connected with traction electric machine, and the traction electric machine is used to provide power to rail vehicle.Rail vehicle of the invention can provide power using natural gas trailer system according to the suitable mode of traction of railway road network environmental selection, under contactless net operating condition for rail vehicle；Under contact net operating condition, power is provided for rail vehicle using traction generator, so that electric railway and non-electrified railway can be suitable for simultaneously using rail vehicle of the invention.
Description
Technical field
The present invention relates to rail vehicle manufacturing technology more particularly to a kind of railway vehicle traction system and rail vehicles.
Background technique
Railway vehicle traction system is the core of rail vehicle transmission system, carries and provides driving dynamics for train
Task.
In the prior art, according to the difference of train operation route, railway vehicle traction system is broadly divided into electric propulsion system
System and heat power trailer system；In electric railway, rail vehicle uses traction generator, by pantograph from contact net
Middle acquisition electric energy, then kinetic energy is converted electrical energy into drive train operation；On non-electrified railway, rail vehicle is using warm
Powered traction system, by internal combustion engine by diesel combustion, so that the chemical energy in diesel oil is converted to kinetic energy to drive train to transport
Row.
But rail vehicle in the prior art is limited by its trailer system, is only capable of being respectively suitable for electric railway
Or non-electrified railway, it is therefore desirable to separately design train for different railway types, increase the design cost of train.
Summary of the invention
In order to overcome the drawbacks described above under the prior art, the purpose of the present invention is to provide a kind of railway vehicle traction systems
And rail vehicle, rail vehicle of the invention can be suitable for electric railway and non-electrified railway simultaneously, it is effective to reduce
The design cost of train.
A kind of railway vehicle traction system, including natural gas trailer system and traction generator, the natural gas traction
The output end of system and traction generator is connected with the input terminal of tractive force transmission system, the tractive force transmission system
Output end is connected with traction electric machine, and the traction electric machine is used to provide power to rail vehicle；
Under contactless net operating condition, the chemical energy that combustion of natural gas generates is converted electric energy by the natural gas trailer system
And be transferred in the tractive force transmission system, power is provided for the rail vehicle；
Under contact net operating condition, the input terminal of the traction generator is connect with contact net, by the electric energy of contact net
It is transferred to the tractive force transmission system, provides power for the rail vehicle.
Railway vehicle traction system as described above, optionally, the natural gas trailer system include sequentially connected day
Right gas engine, dc generator and booster converter, it is described it is used for natural gas engine in by combustion of natural gas to generate driving
The output end of power, the natural gas engine connects the dc generator, and the dc generator is in the natural gas engine
Electric current is generated under the driving of machine, the output end of the dc generator connects the booster converter, and the booster converter is used
In the electric current for generating the dc generator voltage increase to target voltage.
Railway vehicle traction system as described above, optionally, the traction generator include sequentially connected by electricity
Bow and tractive transformer, the pantograph from contact net for obtaining electric current, the output end of the pantograph and the traction
Transformer is connected, and the tractive transformer is used to the voltage for the electric current that the pantograph obtains being down to target voltage.
Railway vehicle traction system as described above, optionally, the tractive force transmission system include sequentially connected four
Quadrant rectifier, intermediate DC link and traction invertor；
Under contact net operating condition, the input terminal of the four-quadrant rectifier is connected with the output end of the tractive transformer,
The four-quadrant rectifier is used to the alternating current in contact net being converted to direct current, the input terminal of the intermediate DC link with
The output end of the four-quadrant rectifier is connected, the output end of the input terminal of the traction invertor and the intermediate DC link
It is connected, the DC inverter that the traction invertor is used to export the intermediate DC link is voltage and frequency adjustable three
The input terminal of phase alternating current, the traction invertor connects traction electric machine；
Under contactless net operating condition, the input terminal of the intermediate DC link is connected with the output end of the booster converter
To obtain the direct current in the booster converter, the output of the input terminal of the traction invertor and the intermediate DC link
End is connected, and the DC inverter that the traction invertor is used to export the intermediate DC link is that voltage and frequency are adjustable
The input terminal of three-phase alternating current, the traction invertor connects traction electric machine.
Railway vehicle traction system as described above is optionally additionally provided with height between the pantograph and tractive transformer
Protective device is pressed, the high pressure protector includes sequentially connected voltage transformer, current transformer and main circuit breaker, described
Voltage transformer is used to detect the output voltage of the output end of the pantograph, and the current transformer is described by electricity for detecting
Bend the output electric current of output end, the main circuit breaker be used for when the output voltage of the pantograph output end that detect and/or
Export the connection disconnected when electric current is more than preset value with the contact net.
Railway vehicle traction system as described above, optionally, the high pressure protector further include arrester, described to keep away
Thunder device is arranged between the pantograph and the main circuit breaker.
Railway vehicle traction system as described above further includes optionally emergency energy storage device, the emergency energy storage device
It is connected with the intermediate DC link.
Railway vehicle traction system as described above, optionally, the emergency energy storage device includes the auxiliary being sequentially connected
Current transformer, charger and battery group；
Under the battery charging state, the input terminal of the AuCT is defeated with the intermediate DC link
Outlet is connected, and the output end of the AuCT is connected with the input terminal of the charger, and the output end of the charger connects
The battery group is connect, for the battery charging；
Under the battery group discharge condition, the output end of the battery group connects the natural gas engine, with
The natural gas engine is driven to run, the output end of the natural gas engine connects the dc generator, the direct current
The output end of generator connects the input terminal of the booster converter, and it is straight that the output end of the booster converter connects the centre
The input terminal of link is flowed, to drive the traction electric machine to run using the electric energy in the battery group.
Railway vehicle traction system as described above, optionally, the battery group are Li-ion batteries piles.
The present invention also provides a kind of rail vehicles, including railway vehicle traction system as described above.
Railway vehicle traction system provided by the invention and rail vehicle are led by setting natural gas trailer system and electric power
Draw system, natural gas trailer system and the output end of traction generator be connected with the input terminal of tractive force transmission system,
The output end of tractive force transmission system is connected into traction electric machine, to provide power to rail vehicle by traction electric machine.This hair
Bright railway vehicle traction system can according to the suitable mode of traction of railway road network environmental selection, under contactless net operating condition,
Power is provided using natural gas trailer system for rail vehicle；It is railcar using traction generator under contact net operating condition
Provide power so that using railway vehicle traction system of the present invention rail vehicle can simultaneously be suitable for electrification iron
Road and non-electrified railway.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure principle chart of the railway vehicle traction system of one embodiment of the invention；
Fig. 2 is the structure principle chart of the railway vehicle traction system of yet another embodiment of the invention；
Fig. 3 is the structure principle chart of the railway vehicle traction system of further embodiment of this invention；
Fig. 4 is the structure diagram of traction generator in Fig. 3；
Fig. 5 is the structure diagram of energy storage device in Fig. 3；
Fig. 6 is the structure diagram of the rail vehicle of one embodiment of the invention；
Fig. 7 is the distribution map of railway vehicle traction system of the invention in Fig. 6.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.In the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be direct phase
Even, can also indirectly connected through an intermediary, the interaction that can be connection or two elements inside two elements is closed
System.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be
Meaning.
It should be noted that in the description of the present invention, term " first ", " second ", which are only used for facilitating, describes different portions
Part is not understood to indicate or imply ordinal relation, relative importance or the number for implicitly indicating indicated technical characteristic
Amount." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one of the features.
Railway vehicle traction system is the core of rail vehicle transmission system, carries and provides driving dynamics for train
Task.
In the prior art, according to the difference of train operation route, railway vehicle traction system is broadly divided into electric propulsion system
System and heat power trailer system；In electric railway, rail vehicle uses traction generator, by pantograph from contact net
Middle acquisition electric energy, then kinetic energy is converted electrical energy into drive train operation；On non-electrified railway, rail vehicle is using warm
Powered traction system, by internal combustion engine by diesel oil (combustion material of heat power trailer system in the prior art is mainly diesel oil)
Burning, so that the chemical energy in diesel oil is converted to kinetic energy to drive train operation.
In recent years, with being continuously increased to oil product demand, the deposit of petroleum resources is obviously insufficient in the world.
The combustion product of natural gas is mainly water and carbon dioxide, the opposite carbon monoxide with diesel combustion product, hydrocarbon,
Oxynitrides has substantial degradation, in order to reduce consumption to petroleum and to the pollution of environment
But rail vehicle in the prior art is limited by its matched trailer system, is only capable of being respectively suitable for electrical
Change railway or non-electrified railway, it is therefore desirable to separately design train for different railway types, thereby increase train
Design cost.
For the above problem for solving the prior art, the purpose of the present invention is to provide a kind of railway vehicle traction system and rails
Road vehicle, rail vehicle of the invention can be suitable for electric railway and non-electrified railway simultaneously, be effectively reduced column
The design cost of vehicle.Below in conjunction with specific embodiment, the present invention will be described in detail.
Embodiment one
Fig. 1 is the structure principle chart of the railway vehicle traction system of one embodiment of the invention；Please refer to Fig. 1, the present embodiment
A kind of railway vehicle traction system, including natural gas trailer system and traction generator, natural gas trailer system and electricity are provided
The output end of power trailer system is connected with the input terminal of tractive force transmission system, the output end of tractive force transmission system and traction
Motor is connected, and traction electric machine is used to provide power to rail vehicle；
Under contactless net operating condition, natural gas trailer system converts electric energy for the chemical energy that combustion of natural gas generates and passes
It is handed in tractive force transmission system, provides power for rail vehicle；
Under contact net operating condition, the input terminal of traction generator is connect with contact net, and the electric energy of contact net is transmitted
To tractive force transmission system, power is provided for rail vehicle.
Specifically, in recent years, with being continuously increased to oil product demand, the deposit of petroleum resources is bright in the world
It is inadequate, therefore traditional on rail vehicle be restricted by the development of the heat power trailer system of raw material of petroleum.In addition,
The burning product of petroleum combustion is other than water and carbon dioxide, and there are also a large amount of carbon monoxide, hydrocarbon, oxynitrides and carbon
The harmful substances such as cigarette, seriously pollute environment.And the combustion product of natural gas is mainly water and carbon dioxide in contrast to this, other are miscellaneous
Matter is less, and environmental pollution is smaller, and its is cheap, and storage capacity is abundant, has broad application prospects, therefore the present embodiment
The middle raw material using natural gas as heat power trailer system.The prior art can be used in traction generator in the present embodiment
In scheme, be temporarily not limited thereof in the present embodiment.
The present embodiment is additionally provided with tractive force transmission system, the output end of natural gas trailer system and traction generator with
The input terminal of tractive force transmission system is connected, by the energy transmission in above-mentioned trailer system to tractive force transmission system；Traction
The output end of power transmission system is connected with traction electric machine, and traction electric machine is used to provide power to rail vehicle, specifically, this implementation
Example (when i.e. vehicle operates on non-electrified railway), is using natural gas trailer system to mention for vehicle under contactless net operating condition
For power, the connection of traction generator and tractive force transmission system is disconnected at this time, the output end connection of natural gas trailer system
Tractive force transmission system is transferred in tractive force transmission system with the electric energy for generating combustion of natural gas, and is rail through traction electric machine
Road vehicle provides power；Under contact net operating condition (when i.e. vehicle operates in electric railway), use traction generator for
Vehicle provides power, and the connection of natural gas trailer system and tractive force transmission system disconnects at this time, the output of traction generator
End connection tractive force transmission system is rail through traction electric machine so that the electric energy in contact net to be transferred in tractive force transmission system
Road vehicle provides power.As can be seen from the above description, the railway vehicle traction system of the present embodiment can be suitable for electrical simultaneously
Change railway and non-electrified railway.
Railway vehicle traction system provided in this embodiment, by the way that natural gas trailer system and traction generator is arranged,
Natural gas trailer system and the output end of traction generator are connected with the input terminal of tractive force transmission system, by tractive force
The output end of transmission system connects traction electric machine, to provide power to rail vehicle by traction electric machine.The rail of the present embodiment
Road vehicle traction system can utilize day under contactless net operating condition according to the suitable mode of traction of railway road network environmental selection
Right gas trailer system provides power for rail vehicle；Under contact net operating condition, provided using traction generator for rail vehicle
Power, so that the rail vehicle using railway vehicle traction system of the present invention can be simultaneously suitable for electric railway and non-
Electric railway.
Embodiment two
Fig. 2 is the structure principle chart of the railway vehicle traction system of yet another embodiment of the invention；Referring to fig. 2, in embodiment
On the basis of one, optionally, natural gas trailer system includes sequentially connected day in the railway vehicle traction system of the present embodiment
Right gas engine, dc generator and booster converter, it is used for natural gas engine in by combustion of natural gas to generate driving force, day
The input terminal of the output end connection dc generator of right gas engine, is specifically as follows, the output axis connection of natural gas engine
The input shaft of dc generator；Dc generator generates electric current, the output of dc generator under the driving of natural gas engine
End connection booster converter, the voltage increase of electric current that booster converter is used to generate dc generator to target voltage, on
The numerical value for stating target voltage is greater than voltage value when traction electric machine works normally, facilitating and set its purpose is to electric current transmission
It sets, occurrence can be selected as needed.
Optionally, traction generator includes sequentially connected pantograph and tractive transformer, and pantograph is used for from contact
Electric current is obtained in net, the output end of pantograph is connected with tractive transformer, and tractive transformer is used for the electric current for obtaining pantograph
Voltage be down to target voltage, to be transmitted in trailer system.
Optionally, tractive force transmission system includes that sequentially connected four-quadrant rectifier, intermediate DC link and traction are inverse
Become device；
Under contact net operating condition, the connection of natural gas trailer system and tractive force transmission system is disconnected, four-quadrant rectifier
Input terminal be connected with the output end of tractive transformer, four-quadrant rectifier is used to the alternating current in contact net being converted to direct current
Electricity；The input terminal of intermediate DC link is connected with the output end of four-quadrant rectifier, intermediate DC link primarily serve filtering and
The effect of pressure stabilizing guarantees the stability of output electric current；The input terminal of traction invertor is connected with the output end of intermediate DC link,
The DC inverter that traction invertor is used to export intermediate DC link is voltage and the adjustable three-phase alternating current of frequency, traction
The input terminal of inverter connects traction electric machine；Pass through pantograph, tractive transformer, four-quadrant rectifier, intermediate dc ring in this way
Section, traction invertor and traction electric machine form a complete electric power outgoing route.
Under contactless net operating condition, the connection of traction generator and tractive force transmission system is disconnected, intermediate DC link
Input terminal be connected with the output end of booster converter to obtain the direct current in booster converter, and electric current is filtered and
Pressure stabilizing guarantees the stability of output electric current；The input terminal of traction invertor is connected with the output end of intermediate DC link, draws inverse
Become DC inverter of the device for exporting intermediate DC link as voltage and the adjustable three-phase alternating current of frequency, traction invertor
Input terminal connect traction electric machine；In this way by natural gas engine, dc generator, booster converter, intermediate DC link,
Traction invertor and traction electric machine form a complete electric power outgoing route.
Railway vehicle traction system provided in this embodiment, by the way that natural gas trailer system and traction generator is arranged,
Natural gas trailer system and the output end of traction generator are connected with the input terminal of tractive force transmission system, by tractive force
The output end of transmission system connects traction electric machine, to provide power to rail vehicle by traction electric machine.The rail of the present embodiment
Road vehicle traction system can utilize day under contactless net operating condition according to the suitable mode of traction of railway road network environmental selection
Right gas trailer system provides power for rail vehicle；Under contact net operating condition, provided using traction generator for rail vehicle
Power, so that the rail vehicle using railway vehicle traction system of the present invention can be simultaneously suitable for electric railway and non-
Electric railway.
Embodiment three
Fig. 3 is the structure principle chart of the railway vehicle traction system of further embodiment of this invention；Fig. 4 is that electric power is led in Fig. 3
Draw the structure diagram of system；Fig. 5 is the structure diagram of energy storage device in Fig. 3；- Fig. 5 referring to figure 3..On the basis of embodiment two
On, optionally, high pressure protector is additionally provided between pantograph and tractive transformer, high pressure protector includes sequentially connected
Voltage transformer, current transformer and main circuit breaker, voltage transformer are used to detect the output voltage of the output end of pantograph, electricity
Current transformer is used to detect the output electric current of pantograph output end, and main circuit breaker is used to work as the defeated of the pantograph output end detected
The connection with contact net is disconnected when voltage and/or output electric current are more than preset value out, to protect trailer system without damage.
Further, above-mentioned high pressure protector further includes arrester, arrester setting pantograph and main circuit breaker it
Between, arrester guarantees rail vehicle traction for preventing the circuit in railway vehicle traction system by the harm of instantaneous overvoltage
The safe operation of circuit system.
Optionally, the railway vehicle traction system of the present embodiment further includes emergency energy storage device, and emergency energy storage device is in
Between DC link be connected, for storing electric energy, when meeting emergency case emergency energy storage device can be by the power output of storage extremely
In trailer system, to guarantee the normal operation of rail vehicle.
Further, above-mentioned emergency energy storage device includes the AuCT being sequentially connected, charger and battery group；
Under battery charging state, the input terminal of AuCT is connected with the output end of intermediate DC link, uses
In obtaining electric energy from trailer system；The output end of AuCT is connected with the input terminal of charger, the output end of charger
Battery group is connected, with for battery charging, to form a complete charging circuit.
When meeting emergency case, when natural gas trailer system and traction generator fail, battery group is discharged, and is driven
Natural gas trailer system continues to run, and is maintained at train under natural gas traction mode.Specifically, in battery group discharge condition
Under, the output end of battery group connects natural gas engine, to drive natural gas engine to run, i.e. battery group conduct at this time
The power source of natural gas engine；Its output end connects dc generator after natural gas engine starting, to drive direct current to send out
Electric power generation；The input terminal of the output end connection booster converter of dc generator, booster converter make natural gas trailer system
The electric current of middle output matches with electrified the provided electric current of power supply system, and the output end of booster converter connects intermediate dc ring
The output end of the input terminal of section, intermediate DC link connects traction electric machine after traction invertor, utilizes battery to realize
Electric energy in group drives traction electric machine operation.
While the driving natural gas trailer system power supply of battery group, its electric energy is also sent in train by battery group
Important electrical equipment relevant to train and passenger safety in (for example, useless exhaust blower, emergency lighting, passenger information system, driving
The person of sailing HMI, the anti-skidding protection of braking, train radio communication etc.), to guarantee the safety of passenger.
Optionally, above-mentioned battery group is Li-ion batteries piles, and lithium ion battery has small in size, the spies such as storing electricity height
Point can store more electric energy using lithium ion battery under the same volume.
Railway vehicle traction system provided in this embodiment, by the way that natural gas trailer system and traction generator is arranged,
Natural gas trailer system and the output end of traction generator are connected with the input terminal of tractive force transmission system, by tractive force
The output end of transmission system connects traction electric machine, to provide power to rail vehicle by traction electric machine.The rail of the present embodiment
Road vehicle traction system can utilize day under contactless net operating condition according to the suitable mode of traction of railway road network environmental selection
Right gas trailer system provides power for rail vehicle；Under contact net operating condition, provided using traction generator for rail vehicle
Power, so that the rail vehicle using railway vehicle traction system of the present invention can be simultaneously suitable for electric railway and non-
Electric railway.
Example IV
Fig. 6 is the structure diagram of the rail vehicle of one embodiment of the invention；Fig. 7 is railway vehicle traction system of the invention
Distribution map in Fig. 6 please refers to Fig. 6-Fig. 7.On the basis of above-described embodiment three, the present embodiment also provides a kind of railcar
, the rail vehicle of the present embodiment includes successively end to end 01 vehicle, 02 vehicle, 03 vehicle and 04 vehicle totally four section compartment, 4 section compartments
A complete traction unit is collectively constituted, wherein 01 vehicle and 03 vehicle are driving compartment, 02 vehicle and 04 vehicle are by driving compartment.
Specifically, being each provided with tractive force transmission system on 01 vehicle and 03 vehicle, the connection of tractive force transmission system is arranged 01
Traction electric machine below vehicle and 03 vehicle, to provide power for entire rail vehicle；Natural gas trailer system and traction generator
It is separately positioned on 04 vehicle and 02 vehicle, the specific installation site of equipment can be set as needed, such as can be by electric power
Pantograph and high pressure protector in trailer system are mounted on 02 vehicle roof, and tractive transformer is lifted under 02 vehicle vehicle；It will
Natural gas engine and dc generator integral hoisting in natural gas trailer system is under 04 vehicle；Or with the side of dispersed placement
Formula is arranged on 04 vehicle, gas fuel tank and natural gas engine is mounted on 04 vehicle roof, dc generator is lifted on 04
Under vehicle vehicle；Charger and battery are arranged on the roof of 04 vehicle.
In practical applications, when operating on non-electrified railway such as track train, switch K1 closure, K2 are disconnected, 04 vehicle
On natural gas engine burning natural gas generate and power and generate electricity with dynamotor, the output end of dc generator
The input terminal of booster converter is connected, the output end of booster converter is separately connected 03 vehicle and the intermediate DC link on 01 vehicle
Electric energy is transferred on 03 vehicle and 01 vehicle by input terminal, and the output end connection of the intermediate DC link on 03 vehicle and 01 vehicle is each
From the input terminal of the traction invertor on vehicle, the output end of traction invertor connects traction electric machine, to form one completely
Electric power outgoing route.
When operating in electric railway such as track train, switch K1 is disconnected, K2 is closed, and the pantograph on 02 vehicle, which rises, to be connected
Contact net is connect, the electric energy of the acquisition of pantograph is transferred to tractive transformer, the output end difference of tractive transformer through high-tension apparatus
Connect the input terminal of 03 vehicle and the four-quadrant rectifier on 01 vehicle, it is rectified after electric current be transferred to the centre on 03 vehicle and 01 vehicle
The input terminal of DC link is transferred to the input terminal of respective traction invertor, the output end of traction invertor through its output end
Traction electric machine is connected, to form a complete electric power outgoing route.
It is additionally provided with AuCT on 03 vehicle and 01 vehicle, AuCT is electrically connected with intermediate DC link.In normal row
It drives off, AuCT can be from electric energy be obtained for the battery group on 04 vehicle in the intermediate DC link on 03 vehicle and 01 vehicle
Charging；Emergency case is being met, the battery group on 04 vehicle becomes the auxiliary in the power output of storage to 03 vehicle and 01 vehicle
It flows in device, to guarantee the traction power of 03 vehicle and 01 vehicle.
Rail vehicle provided in this embodiment, by setting natural gas trailer system and traction generator, by natural gas
Trailer system and the output end of traction generator are connected with the input terminal of tractive force transmission system, by tractive force transmission system
Output end connect traction electric machine, thus by traction electric machine to rail vehicle provide power.The rail vehicle energy of the present embodiment
It is rail using natural gas trailer system under contactless net operating condition enough according to the suitable mode of traction of railway road network environmental selection
Road vehicle provides power；Under contact net operating condition, power is provided for rail vehicle using traction generator, so that utilizing
The rail vehicle of railway vehicle traction system of the present invention can be suitable for electric railway and non-electrified railway simultaneously.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (5)
1. a kind of railway vehicle traction system, which is characterized in that including natural gas trailer system and traction generator, the day
Right gas trailer system and the output end of traction generator are connected with the input terminal of tractive force transmission system, and the tractive force passes
The output end of dynamic system is connected with traction electric machine, and the traction electric machine is used to provide power to rail vehicle；
Under contactless net operating condition, the natural gas trailer system converts electric energy for the chemical energy that combustion of natural gas generates and passes
It is handed in the tractive force transmission system, provides power for the rail vehicle；
Under contact net operating condition, the input terminal of the traction generator is connect with contact net, and the electric energy of contact net is transmitted
To the tractive force transmission system, power is provided for the rail vehicle；
The natural gas trailer system includes sequentially connected natural gas engine, dc generator and booster converter, described
It is used for natural gas engine in by combustion of natural gas, to generate driving force, the output end of the natural gas engine connects the direct current
Generator, the dc generator generate electric current, the output of the dc generator under the driving of the natural gas engine
End connects the booster converter, and the voltage increase for the electric current that the booster converter is used to generate the dc generator is extremely
Target voltage；
The traction generator includes sequentially connected pantograph and tractive transformer, and the pantograph is used for from contact net
Electric current is obtained, the output end of the pantograph is connected with the tractive transformer, and the tractive transformer is used for will be described by electricity
The voltage for bending the electric current obtained is down to target voltage；
The tractive force transmission system includes sequentially connected four-quadrant rectifier, intermediate DC link and traction invertor；
Under contact net operating condition, the input terminal of the four-quadrant rectifier is connected with the output end of the tractive transformer, described
Four-quadrant rectifier is used to the alternating current in contact net being converted to direct current, the input terminal of the intermediate DC link with it is described
The output end of four-quadrant rectifier is connected, the output end phase of the input terminal of the traction invertor and the intermediate DC link
Even, the DC inverter that the traction invertor is used to export the intermediate DC link is voltage and the adjustable three-phase of frequency
The input terminal of alternating current, the traction invertor connects traction electric machine；
Under contactless net operating condition, the input terminal of the intermediate DC link is connected with the output end of the booster converter to obtain
Take the direct current in the booster converter, the output end phase of the input terminal of the traction invertor and the intermediate DC link
Even, the DC inverter that the traction invertor is used to export the intermediate DC link is voltage and the adjustable three-phase of frequency
The input terminal of alternating current, the traction invertor connects traction electric machine；
The railway vehicle traction system further includes emergency energy storage device, the emergency energy storage device and the intermediate DC link
It is connected；
The emergency energy storage device includes the AuCT being sequentially connected, charger and battery group；
Under the battery charging state, the output end of the input terminal of the AuCT and the intermediate DC link
It is connected, the output end of the AuCT is connected with the input terminal of the charger, and the output end of the charger connects institute
Battery group is stated, for the battery charging；
Under the battery group discharge condition, the output end of the battery group connects the natural gas engine, to drive
The natural gas engine operation, the output end of the natural gas engine connect the dc generator, the DC generation
The output end of machine connects the input terminal of the booster converter, and the output end of the booster converter connects the intermediate dc ring
The input terminal of section, to drive the traction electric machine to run using the electric energy in the battery group.
2. railway vehicle traction system according to claim 1, which is characterized in that the pantograph and tractive transformer it
Between be additionally provided with high pressure protector, the high pressure protector includes sequentially connected voltage transformer, current transformer and master
Breaker, the voltage transformer are used to detect the output voltage of the output end of the pantograph, and the current transformer is used for
The output electric current of the pantograph output end is detected, the main circuit breaker is used to work as the defeated of the pantograph output end detected
The connection with the contact net is disconnected when voltage and/or output electric current are more than preset value out.
3. railway vehicle traction system according to claim 2, which is characterized in that the high pressure protector further includes keeping away
Thunder device, the arrester are arranged between the pantograph and the main circuit breaker.
4. railway vehicle traction system according to claim 1, which is characterized in that the battery group is lithium ion battery
Group.
5. a kind of rail vehicle, which is characterized in that including such as rail vehicle traction of any of claims 1-4 system
System.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868719.0A CN107554313B (en) | 2017-09-22 | 2017-09-22 | Railway vehicle traction system and rail vehicle |
| PCT/CN2017/117625 WO2019056631A1 (en) | 2017-09-22 | 2017-12-21 | Rail vehicle traction system and rail vehicles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868719.0A CN107554313B (en) | 2017-09-22 | 2017-09-22 | Railway vehicle traction system and rail vehicle |
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| CN107554313A CN107554313A (en) | 2018-01-09 |
| CN107554313B true CN107554313B (en) | 2019-10-11 |
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| CN201710868719.0A Active CN107554313B (en) | 2017-09-22 | 2017-09-22 | Railway vehicle traction system and rail vehicle |
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| WO (1) | WO2019056631A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177820A (en) * | 2018-09-05 | 2019-01-11 | 北京交通大学 | A kind of EMU traction transmission system with phaselocked loop and network pressure interrupt method of discrimination |
| CN109558668B (en) * | 2018-11-26 | 2023-04-07 | 中车唐山机车车辆有限公司 | Method for determining model parameters of rail vehicle based on operation energy consumption |
| CN110422058A (en) * | 2019-08-29 | 2019-11-08 | 中车唐山机车车辆有限公司 | Emergency vehicle transmission system |
| CN114919604A (en) * | 2022-06-02 | 2022-08-19 | 北京轨道交通技术装备集团有限公司 | Rail vehicle marshalling, rail vehicle reconnection marshalling and rail system |
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| CN107554313A (en) | 2018-01-09 |
| WO2019056631A1 (en) | 2019-03-28 |
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