CN207225097U - Railway engineering mechanical mixture power source system - Google Patents
Railway engineering mechanical mixture power source system Download PDFInfo
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- CN207225097U CN207225097U CN201721208335.8U CN201721208335U CN207225097U CN 207225097 U CN207225097 U CN 207225097U CN 201721208335 U CN201721208335 U CN 201721208335U CN 207225097 U CN207225097 U CN 207225097U
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model discloses a kind of railway engineering mechanical mixture power source system, including：Hybrid power source, the current transformer being connected with hybrid power source, hybrid power source include main power source and auxiliary power source, and the electric energy for coming from main power source or auxiliary power source converts the electric energy with being converted to vehicle electrical equipment needs after handling through current transformer.It is vehicle power supply for electrical equipment by contact net power source when the electrical connection with contact net turns on and during contact net continued power.It is vehicle power supply for electrical equipment by auxiliary power source when being electrically connected disconnection or when contact net is unable to continued power with contact net.When needing to switch between two kinds of power sources, main power source and auxiliary power source are vehicle power supply for electrical equipment at the same time in handoff procedure, and the power source being replaced is powered in finishing switching backed off after random.The utility model can solve existing railway engineering machinery internal combustion hydraulic power mode and safeguard that complicated, there are hydraulic fluid leak possibility, the serious technical problem of environmental pollution.
Description
Technical field
The utility model is related to railway engineering field of mechanical technique, more particularly, to it is a kind of applied to railway engineering machinery
Hybrid power source system.
Background technology
At present, China railways engineering machinery is substantially using internal combustion engine as power, and the kind of drive is hydraulic drive, long-term practice
Prove internal combustion fluid power (hydraulic pressure) kind of drive stable and reliable operation, can meet the traction requirements of railway engineering machinery.But with
The increasingly stringent of environmental protection standard, the raising of energy-saving and emission-reduction requirement, development that is high-power and requiring and clean power source at high speed, should
Mode shows the limitations such as maintenance is complicated, environmental pollution and noise pollution are serious, efficiency is low, driving force is limited.And with
Railway Electric rate rises year by year, and electric power electric transmission makes in conditions such as the extensive uses of railway operation vehicle for railway engineering machinery
Thinking is provided with electric power type of drive.But since railway engineering machinery is mainly based on low speed operation, if only with electricity
Power drives, and vehicle, which enters when phase-separating section, non-electrified railway or contact net have a power failure, to be used.
Therefore, current railway engineering mechanical hydraulic (hydraulic pressure) kind of drive has the following disadvantages：
(1) Maintenance and Repair heavy workload：Current railway engineering machinery is there are substantial amounts of hydraulic component, and hydraulic component is old
There are problems that hydraulic fluid leak after change, maintenance environment is poor, intensity is high, consumes a large amount of manpower and materials；
(2) environmental pollution is serious：Current railway engineering machinery uses internal combustion engine as power, and uses hydraulic drive side
Formula, there are the defects of poisonous noxious gas emission is more, and serious harm Health Status For Workers Exposed is with environment is polluted for internal combustion engine；
(3) it is of limited application：Current railway engineering machinery uses internal combustion engine as power, and uses hydraulic drive side
Formula, can not in long tunnel continuous construction operation, it is and serious in the power drop of highlands internal combustion engine.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of railway engineering mechanical mixture power source system, with solution
Certainly existing railway engineering machinery internal combustion hydraulic power mode safeguards that complicated, there are hydraulic fluid leak possibility, environmental pollution are serious
Technical problem.
In order to realize above-mentioned purpose of utility model, the utility model specifically provides a kind of railway engineering mechanical mixture power
The technic relization scheme of source system, a kind of railway engineering mechanical mixture power source system, including：Hybrid power source, and with it is described
The current transformer that hybrid power source is connected, the hybrid power source are vehicle power supply for electrical equipment by the current transformer.It is described mixed
Close power source and further comprise main power source and auxiliary power source, come from the electric energy warp of the main power source or auxiliary power source
The current transformer is converted and is converted to after being handled the electric energy that the vehicle electrical equipment needs.
Preferably, the main power source is contact net power source, is turned on when railway engineering is mechanical with the electrical connection of contact net,
And it is the vehicle power supply for electrical equipment by the contact net power source during contact net continued power.When the railway
The disconnection that is electrically connected of engineering machinery and the contact net, or when the contact net is unable to continued power, pass through the auxiliary power
Source is the vehicle power supply for electrical equipment.
Preferably, when being switched between two kinds of power sources, the main power source and auxiliary power source are at the same time institute
Vehicle power supply for electrical equipment is stated, the power source being replaced is powered in finishing switching backed off after random.
Preferably, the contact net power source includes contact net, pantograph, earthing switch, current transformer, main circuit breaker
And transformer.Come from the alternating current of the contact net successively through the pantograph, current transformer, main circuit breaker and transformer
The input terminal of the current transformer is flowed into afterwards, and the earthing switch is parallel to the both ends of the main circuit breaker.
Preferably, the current transformer includes AC/DC modules, intermediate DC link and the first DC/AC modules being sequentially connected.
When selecting the power supply of contact net power source, alternating current is taken from the contact net by the pantograph, alternating current is through the transformation
After device decompression, the alternating current of single tractive winding enters in the AC/DC modules.The AC/DC modules are by the friendship of tractive winding
To the intermediate DC link, the intermediate DC link is the first DC/AC modules for input after galvanic electricity carries out boosting rectification
Power supply, then powered by the first DC/AC modules for the traction electric machine in the vehicle electrical equipment.
Preferably, the auxiliary power source also wraps for super capacitor power source or storage battery group power source, the current transformer
Include two-way DC/DC modules.The super capacitor power source or storage battery group power source and the input terminal of the two-way DC/DC modules
It is connected, the output terminal of the two-way DC/DC modules is in parallel with the intermediate DC link.
Preferably, when the mechanical electrical connection with the contact net of railway engineering turns on, and during the contact net continued power,
The intermediate DC link is the two-way DC/DC module for power supply, and the two-way DC/DC modules carry out the auxiliary power source
Charging.When the mechanical disconnection that is electrically connected with the contact net of the railway engineering, or when the contact net is unable to continued power, institute
The electric energy for stating auxiliary power source output exports direct current to the intermediate DC link after the two-way DC/DC modules conversion.
The intermediate DC link is the first DC/AC module for power supply, and the first DC/AC modules supply for the traction electric machine again
Electricity.
Preferably, the super capacitor power source includes charging module and super capacitor, by the charging module and two-way
DC/DC modules are connected with the input terminal of the super capacitor.When the two-way DC/DC modules cannot export electric energy, by described
Charging module charges for the super capacitor.
Preferably, the storage battery group power source includes charger and storage battery group, by the charger and two-way DC/DC
Module is connected with the input terminal of the storage battery group.When the two-way DC/DC modules cannot export electric energy, by the charger
For the battery charging.
Preferably, the current transformer further includes the 2nd DC/AC modules, and the input terminal of the 2nd DC/AC modules is connected to
The intermediate DC link, the output terminal of the 2nd DC/AC modules is the other power supply for electrical equipment of vehicle.
By implementing the technical solution of above-mentioned railway engineering mechanical mixture power source system provided by the utility model, have
Following beneficial effect：
(1) the utility model is by using railway engineering mechanical mixture power electric drive system structure, in electric drive system
Many important components be all non-maintaining structure, can greatly reduce the fault point, and reduce the workload of maintenance；
(2) the utility model adds super capacitor or electric power to add battery hybrid by using railway engineering mechanical-electric
System structure, can greatly reduce the exhaust gas produced in operation process and discharge, improve work efficiency, ensure that driver and construction
The life and health and safety of personnel；
(3) the utility model adds super capacitor or electric power to add battery hybrid by using railway engineering mechanical-electric
System structure, can adapt to high-power and high speed demand, effectively increases operating efficiency, can adapt to apply in long tunnel
Work, and the construction in the area such as mountain area, plateau；
(4) the utility model can effectively ensure that Working mechanism works continuously and without impact, power supply is carried out using current transformer
Soft handoff is switched to, switching time is short, and out-put supply power-off time is short, and external loading work is substantially unaffected, than
Normal power supplies substantially reduce conversion time；Meanwhile the requirement of exterior input supply voltage is not required to using inverter power supply switching
Ensure consistent, improve the adaptability of power supply.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other embodiments can also be obtained according to these attached drawings.
Fig. 1 is that hybrid power source is installed on the structure diagram of railway engineering mechanically in the utility model；
Fig. 2 is a kind of circuit topological structure of specific embodiment of the utility model railway engineering mechanical mixture power source system
Figure；
Fig. 3 is the circuit topology knot of the utility model railway engineering mechanical mixture power source system another kind specific embodiment
Composition；
Fig. 4 is the control flow schematic diagram of utility model railway engineering mechanical mixture power source system；
In figure：1- railway engineerings machinery, 10- hybrid power sources, 11- contact nets, 12- pantographs, 13- earthing switches, 14-
Charging module, 15- super capacitors, TA1- current transformers, HVB1- main circuit breakers, 16- chargers, 17- storage battery groups, 20- become
Flow device, the two-way DC/DC modules of 21-, 22-AC/DC modules, the first DC/AC modules of 23-, 24- intermediate DC links, 25- second
DC/AC modules, 26- grounding carbon brushs, TM- transformers, 30- traction electric machines, the other electrical equipments of 40- vehicles, 100- main power sources,
200- auxiliary power sources.
Embodiment
For the sake of quoting and understanding, by the technical term hereinafter used, write a Chinese character in simplified form or abridge and be described below：
AC/DC：The abbreviation of ac/dc conversion；
DC/AC：The abbreviation of DC/AC conversion；
DC/DC：The abbreviation of DC/DC conversion；
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, carries out the technical scheme in the embodiment of the utility model clear, complete description.Obviously, retouched
The embodiment stated is only the part of the embodiment of the utility model, instead of all the embodiments.Based in the utility model
Embodiment, all other embodiment that those of ordinary skill in the art are obtained without creative efforts,
It shall fall within the protection scope of the present invention.
As shown in attached drawing 1 to attached drawing 4, the specific reality of the utility model railway engineering mechanical mixture power source system is given
Example is applied, the utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, a kind of specific embodiment of railway engineering mechanical mixture power source system, including：Hybrid power
Source 10, and the current transformer 20 being connected with hybrid power source 10, hybrid power source 10 are vehicle electrical equipment (bag by current transformer 20
Include traction, brake air compressor, hydraulic pressure pump voltage, traction electric machine 30 etc.) power supply.Hybrid power source 10 further comprises main power source
100 and auxiliary power source 200, come from the electric energy of main power source 100 or auxiliary power source 200 through current transformer 20 carry out conversion with
The electric energy of vehicle electrical equipment needs is converted to after processing.In this embodiment, railway engineering machinery 1 is equipped with contact net power
Source and auxiliary power source (mode such as super capacitor 15 or storage battery group 17 can be used) 100, at electric energy conversion and control
After reason, contact net 11 or super capacitor 15 or the electric energy of storage battery group 17 are converted into vehicle electrical equipment and (including draws, brake
Air compressor machine, hydraulic pressure pump voltage, traction electric machine 30 etc.) need electric energy.Set usually using one of which power source for vehicle electricity consumption
Available electricity, the principle of power supply are：Main power source 100 is contact net power source, and hybrid power source System Priority selects main power source
100 power supplies.When railway engineering machinery 1 is turned on the electrical connection of contact net 11, and (whether contact net 11 for 11 continued power of contact net
Can continued power by line powering system staff's advance notice, or when 11 continued power of contact net reaches setting condition,
The setting condition can be distance or the time when) when, be vehicle power supply for electrical equipment by contact net power source.Work as railway engineering
Machinery 1 and the disconnection that is electrically connected of contact net 11, or be vehicle by auxiliary power source 200 when contact net 11 is unable to continued power
Power supply for electrical equipment.When needing to switch between two kinds of power sources, main power source 100 and auxiliary power source 200 are being cut
During changing while it is vehicle power supply for electrical equipment, the power source being replaced is powered in finishing switching backed off after random.Work as railway engineering
Machinery 1 is that vehicle is used using auxiliary power source 200 by non-electrical gasification circuit or phase-separating section section, or during the power-off of contact net 11
Electric equipment is powered.
The present embodiment proposes the hybrid power source system knot that railway engineering Mechanical Contact net electric power adds auxiliary power source 200
Structure, has filled up the present situation that hybrid power source electric transmission technology is in blank in the application of China railways engineering machinery field.This reality
Applying the technical solution of example can be such that railway engineering machinery is worked normally in mountain area and plateau, can be well adapted for high-power, high speed
The demand of degree, breaching original fluid power (hydraulic pressure) gearing cannot work continuously and the internal-combustion engine on plateau in long tunnel
The defects of acc power degradation, extend railway engineering vehicle application scope.In electrified circuit section, pollutant zero-emission
Put, particularly can guarantee that the life and health safety of driver and construction personnel when enclosed environment is constructed in tunnel, can be well
Adapt to the demand of national energy-saving emission reduction.
Embodiment 2
As shown in Figure 2, on the basis of embodiment 1, auxiliary power source 200 is further super capacitor power source,
When the disconnection that is electrically connected of railway engineering machinery 1 and contact net 11, or when contact net 11 is unable to continued power, moved using super capacitor
Power source is vehicle power supply for electrical equipment.When needing to switch between two kinds of power sources, contact net power source and super electricity
It is at the same time vehicle power supply for electrical equipment to hold power source in handoff procedure.Contact net electric power adds the main electricity in super capacitance hybrid power source
Road includes contact net power supply and super capacitor power supply both of which, it takes electricity from contact net 11 or super capacitor 15, by a system
Power after rank transformation for traction electric machine 30.Wherein, super capacitor 15 have it is small, light-weight, moment charging and discharging capabilities are superpower,
A variety of advantages such as energy conversion efficiency height, and be a kind of green energy resource.
Contact net power source further comprises that contact net 11, pantograph 12, earthing switch 13, current transformer TA1, master are disconnected
Road device HVB1 and transformer TM.Come from the alternating current of contact net 11 successively through pantograph 12, current transformer TA1, main open circuit
The input terminal of current transformer 20 is flowed into after device HVB1 and transformer TM, earthing switch 13 is parallel to the both ends of main circuit breaker HVB1.
Current transformer 20 further comprises AC/DC modules 22,24 and the first DC/AC modules of intermediate DC link being sequentially connected
23.Wherein, AC/DC modules 22 use four-quadrant rectifier.When selecting the power supply of contact net power source, by pantograph 12 from connecing
Net-fault 11 takes alternating current, and after transformer TM decompressions, the alternating current of single tractive winding enters in AC/DC modules 22 alternating current.
One end connection main circuit breaker HVB1 of transformer TM armature windings, the other end realize that rail flows back by grounding carbon brush 26.AC/DC moulds
Block 22 is inputted to intermediate DC link after the alternating current that tractive winding (transformer TM secondary windings) exports is carried out boosting rectification
24, intermediate DC link 24 is powered for the first DC/AC modules 23, then by the first DC/AC modules 23 in vehicle electrical equipment
Traction electric machine 30 is powered.Wherein, the electric transmission part in the present embodiment is using friendship orthogonal driving form, while can use three-phase
AC induction motor is as traction electric machine 30.Asynchronous motor drive technology is highly developed, can accomplish low constant speed, provides big turn round
Square, can meet requirement of the railway engineering machinery to speed and moment of torsion completely, while there is asynchronous machine non-maintaining, pernicious gas to arrange
High-volume less the features such as.
Current transformer 20 further includes two-way DC/DC modules 21, super capacitor power source or storage battery group power source and two-way DC/
The input terminal of DC modules 21 is connected, and the output terminal of two-way DC/DC modules 21 is in parallel with intermediate DC link 24.When railway engineering machine
Tool 1 is turned on the electrical connection of contact net 11, and during 11 continued power of contact net, intermediate DC link 24 is two-way DC/DC modules
21 power supplies, two-way DC/DC modules 21 charge auxiliary power source 200.When railway engineering machinery 1 is electrically connected with contact net 11
Disconnection is connect and (cannot power by contact net 11), or when contact net 11 is unable to continued power, (the i.e. super electricity of auxiliary power source 200
The electric energy for holding 15) output exports direct current to intermediate DC link 24 after the conversion of two-way DC/DC modules 21.Intermediate DC link
24 power for the first DC/AC modules 23, and the first DC/AC modules 23 are powered for traction electric machine 30 again.
Current transformer 20 further includes the 2nd DC/AC modules 25, and the input terminal of the 2nd DC/AC modules 25 is connected to centre directly
Link 24 is flowed, the output terminal of the 2nd DC/AC modules 25 is powered for the other electrical equipments 40 of vehicle.As the utility model one kind compared with
Good specific embodiment, super capacitor power source further comprise charging module 14 and super capacitor 15, charging module 14 and double
Input terminal to DC/DC modules 21 with super capacitor 15 is connected.When two-way DC/DC modules 21 cannot export electric energy, by filling
Electric module 14 charges for super capacitor 15.
Embodiment 3
As shown in Figure 3, on the basis of embodiment 1, auxiliary power source 200 is further storage battery group power source,
When the disconnection that is electrically connected of railway engineering machinery 1 and contact net 11, or when contact net 11 is unable to continued power, moved using storage battery group
Power source is vehicle power supply for electrical equipment, and storage battery group 17 therein can use lithium battery group.When need two kinds of power sources it
Between when switching over, contact net power source and storage battery group power source are at the same time vehicle power supply for electrical equipment in handoff procedure.
Contact net electric power adds battery hybrid source main circuit to include contact net power supply and storage battery power supply both of which, it is from contact
Net 11 or storage battery group 17 take electricity, power after a series of conversion for traction electric machine 30.Wherein, storage battery have capacity it is big,
Many advantages, such as discharge capability is superpower.
As a kind of preferable specific embodiment of the utility model, storage battery group power source further comprises 16 He of charger
Storage battery group 17, the input terminal of charger 16 and two-way DC/DC modules 21 with storage battery group 17 are connected.When two-way DC/DC moulds
When block 21 cannot export electric energy, charged by charger 16 for storage battery group 17.
The more detailed technical solution of remainder can be referring in particular to the corresponding description in embodiment 2.
Embodiment 4
As shown in Figure 4, a kind of railway engineering mechanical mixture power operated control method based on system described in embodiment 1
Specific embodiment, hybrid power source 10 include main power source 100 and auxiliary power source 200, and main power source 100 is contact net power
Source, auxiliary power source 200 are super capacitor power source.Hybrid power source System Priority selection main power source 100 is powered, and is come from
The electric energy of main power source 100 or auxiliary power source 200 is converted to vehicle electrical equipment after current transformer 20 is converted and handled
The electric energy needed.Control method comprises the following steps：
A) when railway engineering machinery 1 is turned on the electrical connection of contact net 11, and during 11 continued power of contact net, contact is passed through
Net power source is vehicle power supply for electrical equipment；
B) when the disconnection that is electrically connected of railway engineering machinery 1 and contact net 11, or when contact net 11 is unable to continued power, pass through
Auxiliary power source 200 is vehicle power supply for electrical equipment；
C) when needing to switch between two kinds of power sources, main power source 100 and auxiliary power source 200 were switching
It is at the same time vehicle power supply for electrical equipment in journey；As a kind of preferable specific embodiment of the present invention, two-way DC/DC modules 21 are controlled
Error between the DC voltage of output and the middle dc voltage VH1 of intermediate DC link 24 is no more than the error model of setting
Enclose, such as：± 15%, that is, the DC voltage that two-way DC/DC modules 21 export is controlled in 24 middle dc voltage of intermediate DC link
Fluctuation in ± 15% error range of VH1；And a kind of more preferably specific embodiment is used as, control two-way DC/DC modules 21 to export
DC voltage and intermediate DC link 24 middle dc voltage VH1 between error be no more than ± 7%, switching time at this time
Reach optimal balance point between load shock, not only switching time is short, and out-put supply power-off time is short, and external loading work
It is substantially unaffected, conversion time is substantially reduced than normal power supplies, can ensures that Working mechanism is continuous to greatest extent
Operation and without impact；
D) after finishing switching, the power source being replaced exits power supply.
In step B) in, when railway engineering machinery is by non-electrical gasification circuit or phase-separating section section, or contact net has a power failure,
The use of auxiliary power source 200 is vehicle power supply for electrical equipment.
The technical side of the railway engineering mechanical mixture power source system described by implementing the utility model specific embodiment
Case, can produce following technique effect：
(1) the railway engineering mechanical mixture power source system of the utility model specific embodiment description is dynamic by using mixing
Power electric drive system structure, many important components in electric drive system are all non-maintaining structure, can greatly reduce failure
Point, and reduce the workload of maintenance；
(2) the railway engineering mechanical mixture power source system of the utility model specific embodiment description adds by using electric power
Super capacitor or electric power add battery hybrid system structure, can greatly reduce produced in operation process exhaust gas discharge,
Improve work efficiency, ensure that the life and health and safety of driver and construction personnel；
(3) the railway engineering mechanical mixture power source system of the utility model specific embodiment description adds by using electric power
Super capacitor or electric power add battery hybrid system structure, can adapt to high-power and high speed demand, effectively improve
Operating efficiency, can adapt in tunnel, and the construction in the area such as mountain area, plateau；
(4) the railway engineering mechanical mixture power source system of specific embodiment of the invention description can effectively ensure that working rig
Structure works continuously and without impact, carries out power supply using current transformer and be switched to soft handoff, switching time is short, out-put supply power-off
Time is short, and external loading work is substantially unaffected, and conversion time is substantially reduced than normal power supplies；Meanwhile using inversion
The switching of device power supply is not necessary to guaranty that the requirement of exterior input supply voltage the adaptability for unanimously, improving power supply.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The above descriptions are merely preferred embodiments of the present invention, and not the utility model is made in any form
Limitation.Although the utility model is disclosed as above with preferred embodiment, but is not limited to the utility model.It is any ripe
Those skilled in the art is known, in the case where not departing from the Spirit Essence of the utility model and technical solution, all using upper
The methods and technical content for stating announcement makes technical solutions of the utility model many possible changes and modifications, or is revised as
With the equivalent embodiment of change.Therefore, every content without departing from technical solutions of the utility model, the skill according to the utility model
It is new to still fall within this practicality to any simple modification, equivalent substitution, equivalence changes and modification made for any of the above embodiments for art essence
The scope of type technical solution protection.
Claims (10)
- A kind of 1. railway engineering mechanical mixture power source system, it is characterised in that including：Hybrid power source (10), and with it is described The connected current transformer (20) of hybrid power source (10), the hybrid power source (10) is vehicle electricity consumption by the current transformer (20) Equipment is powered；The hybrid power source (10) further comprises main power source (100) and auxiliary power source (200), comes from institute The electric energy for stating main power source (100) or auxiliary power source (200) is converted to after the current transformer (20) is converted and handled The electric energy that the vehicle electrical equipment needs.
- 2. railway engineering mechanical mixture power source system according to claim 1, it is characterised in that：The main power source (100) it is contact net power source, when railway engineering mechanical (1) is turned on the electrical connection of contact net (11), and the contact net (11) it is the vehicle power supply for electrical equipment by the contact net power source during continued power；When railway engineering machinery (1) it is dynamic by the auxiliary or when the contact net (11) is unable to continued power with the disconnection that is electrically connected of the contact net (11) Power source (200) is the vehicle power supply for electrical equipment.
- 3. railway engineering mechanical mixture power source system according to claim 2, it is characterised in that：When in two kinds of power sources Between when switching over, the main power source (100) and auxiliary power source (200) while be the vehicle power supply for electrical equipment, The power source being replaced is powered in finishing switching backed off after random.
- 4. the railway engineering mechanical mixture power source system according to Claims 2 or 3, it is characterised in that：The contact net Power source include contact net (11), pantograph (12), earthing switch (13), current transformer (TA1), main circuit breaker (HVB1) and Transformer (TM)；Come from the alternating current of the contact net (11) successively through the pantograph (12), current transformer (TA1), Main circuit breaker (HVB1) and transformer (TM) flow into the input terminal of the current transformer (20) afterwards, and the earthing switch (13) is parallel to The both ends of the main circuit breaker (HVB1).
- 5. railway engineering mechanical mixture power source system according to claim 4, it is characterised in that：The current transformer (20) Including AC/DC modules (22), intermediate DC link (24) and the first DC/AC modules (23) being sequentially connected；When selection contact net When power source is powered, alternating current is taken from the contact net (11) by the pantograph (12), alternating current is through the transformer (TM) after being depressured, the alternating current of single tractive winding enters in the AC/DC modules (22)；The AC/DC modules (22) will lead The alternating current of winding group of output is inputted to the intermediate DC link (24), the intermediate DC link after carrying out boosting rectification (24) power for the first DC/AC modules (23), then by the first DC/AC modules (23) in the vehicle electrical equipment Traction electric machine (30) power supply.
- 6. railway engineering mechanical mixture power source system according to claim 5, it is characterised in that：The auxiliary power source (200) it is super capacitor power source or storage battery group power source, the current transformer (20) further includes two-way DC/DC modules (21)； The super capacitor power source or storage battery group power source are connected with the input terminal of the two-way DC/DC modules (21), described double It is in parallel with the intermediate DC link (24) to the output terminal of DC/DC modules (21).
- 7. railway engineering mechanical mixture power source system according to claim 6, it is characterised in that：When the railway engineering Mechanical (1) is turned on the electrical connection of contact net (11), and during the contact net (11) continued power, the intermediate DC link (24) be two-way DC/DC modules (21) power supply, the two-way DC/DC modules (21) to the auxiliary power source (200) into Row charging；When the railway engineering mechanical (1) and the disconnection that is electrically connected of the contact net (11), or the contact net (11) cannot During continued power, the electric energy of auxiliary power source (200) output exports direct current after two-way DC/DC modules (21) conversion Electricity is to the intermediate DC link (24)；The intermediate DC link (24) is powered for the first DC/AC modules (23), described First DC/AC modules (23) are powered for the traction electric machine (30) again.
- 8. railway engineering mechanical mixture power source system according to claim 7, it is characterised in that：The super capacitor moves Power source includes charging module (14) and super capacitor (15), by the charging module (14) and two-way DC/DC modules (21) and institute The input terminal for stating super capacitor (15) is connected；When the two-way DC/DC modules (21) cannot export electric energy, by the charging mould Block (14) charges for the super capacitor (15).
- 9. railway engineering mechanical mixture power source system according to claim 7, it is characterised in that：The storage battery group is moved Power source includes charger (16) and storage battery group (17), by the charger (16) and two-way DC/DC modules (21) and the storage The input terminal of battery pack (17) is connected；When the two-way DC/DC modules (21) cannot export electric energy, by the charger (16) Charge for the storage battery group (17).
- 10. existed according to claim 5,6,7,8 or 9 any one of them railway engineering mechanical mixture power source systems, its feature In：The current transformer (20) further includes the 2nd DC/AC modules (25), and the input terminal of the 2nd DC/AC modules (25) is connected to The intermediate DC link (24), the output terminal of the 2nd DC/AC modules (25) are powered for the other electrical equipments of vehicle (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721208335.8U CN207225097U (en) | 2017-09-20 | 2017-09-20 | Railway engineering mechanical mixture power source system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721208335.8U CN207225097U (en) | 2017-09-20 | 2017-09-20 | Railway engineering mechanical mixture power source system |
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| CN207225097U true CN207225097U (en) | 2018-04-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554299A (en) * | 2017-09-20 | 2018-01-09 | 株洲时代电子技术有限公司 | A kind of railway engineering mechanical mixture power source system |
| EP3723253A1 (en) * | 2019-04-10 | 2020-10-14 | ABB Schweiz AG | Converter arrangement with neutral point clamped choppers |
-
2017
- 2017-09-20 CN CN201721208335.8U patent/CN207225097U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554299A (en) * | 2017-09-20 | 2018-01-09 | 株洲时代电子技术有限公司 | A kind of railway engineering mechanical mixture power source system |
| EP3723253A1 (en) * | 2019-04-10 | 2020-10-14 | ABB Schweiz AG | Converter arrangement with neutral point clamped choppers |
| WO2020207683A1 (en) | 2019-04-10 | 2020-10-15 | Abb Schweiz Ag | Converter arrangement with neutral point clamped choppers |
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