CN105904987A - City rail traffic traction system - Google Patents
City rail traffic traction system Download PDFInfo
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- CN105904987A CN105904987A CN201610279325.7A CN201610279325A CN105904987A CN 105904987 A CN105904987 A CN 105904987A CN 201610279325 A CN201610279325 A CN 201610279325A CN 105904987 A CN105904987 A CN 105904987A
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/53—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
-
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- 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
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail 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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a city rail traffic traction system. The city rail traffic traction system comprises a control unit, an energy storing unit, a traction current converting unit and a traction motor, wherein the traction current converting unit is connected between two direct current buses of an external power supply unit; the energy storing unit is connected with the direct current buses of the external power supply unit and the traction current converting unit; the energy storing unit is used for storing electric energy provided by the external power supply unit; the traction current converting unit is connected with the control unit and the traction motor; the control unit is used for controlling the traction current converting unit to perform charging and energy storing and/or discharging and energy releasing on the energy storing unit, so that direct current electric energy stored in the energy storing unit is converted to alternate current electric energy which is outputted to the traction motor to drive a train to operate. According to the city rail traffic traction system provided by the invention, when the train approaches a station and parks, the energy storing unit is charged; during the running of the train, electric energy stored in the energy storing unit is used for the train, and an uninterrupted contact line is not needed to be adopted for supplying electricity to the train, so that the project cost is reduced, and potential safety hazards caused by the uninterrupted contact line are also reduced.
Description
Technical field
The present invention relates to power traction technical field, particularly relate to urban track traffic trailer system.
Background technology
Urban track traffic generally refers to city underground, the fast rail in city, light rail, tramcar etc..City
The basic function of the trailer system of city's track traffic is the operation offer power drive for city railway train.
In the prior art, urban track traffic the most all uses continuous powered mode, by using frame
Empty contact net or surface power supply rail, along with the train that operates to of train provides continual electric energy.Accordingly
, the trailer system of current city rail traffic typically uses the main circuit topology of " inverter+traction electric machine ",
The effect of inverter is for being suitable for traction electricity the transformation of electrical energy from overhead contact line or surface power supply rail
The electric energy of machine, the effect of traction electric machine is to convert electrical energy into mechanical energy thus drives the operation of municipal rail train.
But, it is that it is powered that the trailer system of prior art needs from the continual direct current of electrical network, because of
This must be used the mode such as contact net or power rail by electricity system, and use continual contact net or
The mode of power rail, adds construction costs undoubtedly, it may have certain potential safety hazard.
Summary of the invention
It is an object of the invention to provide a kind of urban track traffic trailer system, in order to solve prior art
There is certain safety problem in the omnidistance mode setting up contact net for power supplying, adds construction costs, it may have
The problem of certain potential safety hazard.
The present invention provides a kind of urban track traffic trailer system, including:
Control unit, energy-storage units, traction current transformation unit and traction electric machine；
Described traction current transformation unit is connected between two dc bus of externally fed unit, described energy storage list
Unit is connected with a dc bus and the traction current transformation unit of externally fed unit respectively；
Described energy-storage units is for storing the electric energy that externally fed unit provides；
Described traction current transformation unit is connected with control unit and described traction electric machine respectively, described control unit
Described energy-storage units is charged energy storage and/or energy is released in electric discharge for controlling described traction current transformation unit；And
The direct current energy that energy-storage units stores is converted to AC energy, exports to traction electric machine driving train operation.
In the urban track traffic trailer system that the present invention provides, can be entered the station at train by energy-storage units
Charge during stop, and relying on the electric energy of energy-storage units storage during train operation is train power supply, thus
Without using continual contact net to be train power supply, only need ground AT STATION that a bit of outside confession is installed
Electric unit, reduces construction costs, and also reduces the potential safety hazard that uninterrupted contact net brings.
Accompanying drawing explanation
The structural representation of the urban track traffic trailer system that Fig. 1 provides for the embodiment of the present invention one；
The structural representation of the urban track traffic trailer system that Fig. 2 provides for the embodiment of the present invention two；
The structural representation of the another urban track traffic trailer system that Fig. 3 provides for the embodiment of the present invention two
Figure.
Reference:
1-control unit；2-energy-storage units；
3-traction current transformation unit；4-traction electric machine；
5-externally fed unit；6-switch switching unit；
611-first switchs；621-second switch；
622-current-limiting resistance；31-discharge and recharge subelement；
32-inversion subelement；21-afterflow reactor；
7-high-speed circuit breaker.
Detailed description of the invention
Embodiment one
The structural representation of the urban track traffic trailer system that Fig. 1 provides for the embodiment of the present invention one, as
Shown in Fig. 1, the urban track traffic trailer system that the present embodiment provides includes: control unit 1, energy storage
Unit 2, traction current transformation unit 3 and traction electric machine 4, wherein, traction current transformation unit 3 is connected to outside confession
Between two dc bus of electric unit 5, energy-storage units 2 is female with a direct current of externally fed unit 5 respectively
Line and traction current transformation unit 3 connect, and energy-storage units 2 is used for storing the electric energy that externally fed unit 5 provides,
Traction current transformation unit 3 is connected with control unit 1 and traction electric machine 4 respectively, and control unit 1 is used for controlling
Traction current transformation unit 3 is charged energy storage to described energy-storage units 2 and/or energy is released in electric discharge, and by single for storage
The direct current energy of unit 2 storage is converted to AC energy, and output to traction electric machine 4 drives train operation.
Wherein, during traction current transformation unit 3 includes but not limited to two-level inverter, three-level inverter
A kind of.Traction electric machine 4 can be, but not limited to as threephase asynchronous machine, permagnetic synchronous motor, linear electric motors.
Energy-storage units 2 can be the one in super capacitor or battery or the super capacitor of parallel connection and battery.
Super capacitor has that energy density is big, the fireballing advantage of charging and discharging, therefore can realize train
The electric energy that the short time stopped interior storage of entering the station is enough, for the traction during train operation.
Concrete, energy-storage units 2 can carry out large current charge in the short time, such that it is able at train
When stopping, the direct current energy from externally fed unit is passed through traction current transformation unit 3 quick storage super
In electric capacity or super capacitor.Or, when train operation, traction current transformation unit 3 can be carrying out energy storage
The direct current energy of unit 2 is converted to be suitable for the AC energy of traction electric machine 4, further, traction electric machine
4 convert electrical energy into mechanical energy thus drive train operation.
In the urban track traffic trailer system that the present embodiment provides, can be by energy-storage units 2 at train
Enter the station and charge when stopping, and relying on the electric energy of energy-storage units 2 storage during train operation is train power supply,
Thus be train power supply without using continual contact net, outside only the installation of need ground AT STATION is a bit of
Portion's power supply unit, reduces construction costs, and also reduces the potential safety hazard that uninterrupted contact net brings.
Embodiment two
On the basis of above-described embodiment, as it is shown in figure 1, the urban track traffic that the present embodiment provides is led
Draw system also to include: the switch switching unit being connected between externally fed unit 5 with traction current transformation unit 3
6, switch switching unit 6 includes: the first switching branches parallel with one another and second switch branch road, wherein,
First switching branches includes the first switch 611, and second switch branch road includes the second switch 621 being serially connected
With current-limiting resistance 622.Switch switching unit 6 is also connected with control unit 1, and control unit 1 is used for controlling
Make the first switch 611 and the Guan Bi of second switch 621 or disconnection.
Concrete, after train deceleration enters the station, control unit 1 controls second switch 621 and closes, current limliting
Resistance 622 carries out current-limiting charge control, and control unit 1 also controls traction current transformation unit 3 and is in battery charger
Under operation mode, energy-storage units 2 is powered by externally fed unit 1.Further, control unit 1 controls
Second switch 621 disconnects, and the first switch 611 Guan Bi, energy-storage units 2 is carried out by externally fed unit 1
Constant-voltage charge.
The present embodiment also provides for the detailed description of the invention of a kind of traction current transformation unit 3.Fig. 2 is that the present invention is real
Execute the structural representation of the urban track traffic trailer system that example two provides, as in figure 2 it is shown, traction current transformation
Unit 3 includes: discharge and recharge subelement 31 and inversion subelement 32, and wherein, discharge and recharge subelement 31 is used
In the external charging control signal that reception control unit 1 sends, with external according to external charging control signal
The voltage of portion's power supply unit 5 output is depressured, and energy-storage units 2 is charged energy storage.
Discharge and recharge subelement 31 is additionally operable to the discharge control signal that reception control unit 1 sends, with according to putting
The DC voltage that energy-storage units 2 is exported by electric control signal boosts, and discharges energy-storage units 2
Releasing energy, discharge and recharge subelement 31 is additionally operable to the direct voltage output after boosting to inversion subelement 32.
It should be noted that discharge and recharge subelement 31 receives external charging control signal and discharge control signal
Time, can be only to receive a kind of signal therein, i.e. for energy-storage units 2 be only charged energy storage or
Energy is released in electric discharge.Certainly, it is permissible that discharge and recharge subelement page 31 can receive two kinds of signals, i.e. energy-storage units 2
While charging energy-storing, it is also carried out electric discharge and releases energy.
The traction control signal that inversion subelement 32 sends for reception control unit 1, with according to traction control
DC voltage after the boosting that discharge and recharge subelement 32 is exported by signal processed is converted to alternating voltage and exports extremely
Traction electric machine 4, to drive traction electric machine 4.
Inversion subelement 32 is additionally operable to the electric braking recovery signal that reception control unit 1 sends, with according to electricity
Braking is reclaimed signal and traction electric machine alternating voltage of regeneration when braking is converted to direct voltage output to filling
Electric discharge subelement 31.
The electric braking charging signals that discharge and recharge subelement 31 sends for reception control unit 1, with according to electricity
The braking DC voltage that exported by inversion subelement 32 of charging signals carries out reduced output voltage to energy-storage units 2,
So that energy-storage units 2 is charged energy storage.
Concrete, train is entered the station charge mode, running under power pattern, braking deceleration mould by the present embodiment
Under formula Three models, the duty of trailer system is described in detail.
Enter the station charge mode: after train enters the station, and control unit 1 controls second switch 621 and closes, current limliting
Resistance 622 carries out current-limiting charge control, and control unit 1 also controls discharge and recharge subelement 31 and is in battery charger
Under operation mode, the external charging control signal that i.e. discharge and recharge subelement 31 reception control unit 1 sends, then
After discharge and recharge subelement 31 is by carrying out PWM control step-down to the voltage of outside power supply unit 5 output,
Electrical power storage is in energy-storage units 2, and energy-storage units 2 is in charged state.Further, control unit
1 controls second switch 621 disconnects, and the first switch 611 Guan Bi, externally fed unit 5 is to energy-storage units 2
Carry out constant-voltage charge.
Running under power pattern: after train charging, launch train enters running under power pattern, discharge and recharge
The discharge control signal that subelement 31 reception control unit 1 sends, discharge and recharge subelement 31 is put according to this
After electric control signal carries out PWM control boosting the electric energy of storage in energy storage device 2, energy-storage units 2
Electric energy be discharged on the dc bus of inversion subelement 32, on the other hand control inversion subelement 32 and connect
Receive control unit 1 send traction control signal, on dc bus from the direct current of energy-storage units 2
Can carry out the AC energy that PWM controls to be transformed to be suitable for driving traction electric machine 4, traction electric machine 4 completes electricity
The conversion of mechanical energy can be arrived, thus drive train traction to run.
Braking deceleration pattern: when train braking slows down, traction electric machine 4 can convert mechanical energy into electricity
Can, the electric energy of this part conversion is exactly regenerative electric energy.Inversion subelement 32 1 aspect reception control unit 1
The electric braking sent reclaims signal, and inversion subelement 32 reclaims signal according to this electric braking will be from traction electricity
The regenerative alternate electric energy of machine 4 carries out PWM and controls to be converted to direct current energy and feed back on dc bus, another
Aspect discharge and recharge subelement 31 electric braking that reception control unit 1 sends simultaneously reclaims signal, charge and discharge electronics
After regeneration DC voltage on dc bus is carried out PWM control step-down by unit 31, the electric energy of regeneration is deposited
Storing up to energy-storage units 2, the electric energy of this partial regeneration can be reused when next time draws.
Owing to the feature of city railway train is exactly to start frequently and stop, the traction that the present embodiment provides
Current transforming unit 3 can realize train braking by controlling inversion subelement 32 and discharge and recharge subelement 31
Time regenerative electric energy store to energy-storage units 2, it is achieved the recycling of regenerative electric energy, the therefore present invention
The trailer system provided has the highest energy-saving effect.
Optionally, inversion subelement 32 can be multiple insulated gate bipolar transistor power device
Two-level inverter that (Insulated Gate Bipolar Transistor, be called for short IGBT) forms or
Person's three-level inverter.
The structural representation of the another urban track traffic trailer system that Fig. 3 provides for the embodiment of the present invention two,
As it is shown on figure 3, discharge and recharge subelement 31 includes two IGBT connected, inversion subelement 32 includes:
Three brachium pontis parallel with one another, each brachium pontis includes two IGBT connected.
Traction current transformation unit 3 can be equivalent to the current transformer of four bridge legs, and control unit 1 is by controlling charge and discharge
The ON time of the IGBT in electronic unit 31 and switch periods etc. realize buck or boost, pass through
Control the IGBT ON time in inversion subelement 32 and switch periods etc. can realize energy storage list
The direct current of unit 2 output is converted to alternating current, is realized the driving driving motor 4 by impulse modulation.
Optionally, one end of energy-storage units 2 can be connected to discharge and recharge subelement by afterflow reactor 21
Two series connection IGBT between.Afterflow reactor 21 can stablize the direct current of energy-storage units 2 output
Pressure, it is also possible to cut off the High-frequency Interference that externally fed unit 5 brings.
Further, on the basis of above-described embodiment, for the safety of protection circuit, can be at switch
High-speed circuit breaker 7 is set between switch unit 6 and externally fed unit 5, such that it is able to breaking down
Time can be with the circuit between fast shut-off traction current transformation unit 3 and externally fed unit 5, it is ensured that traction become
The line security of stream unit 3 and energy-storage units 2 etc..
It addition, lightning rod can be provided with between outside power supply unit 5 and high-speed circuit breaker 7, lightning-arrest
Pin can absorb induced overvoltage or the safety of switching overvoltage protection circuit.
The urban track traffic trailer system that the present embodiment provides, traction current transformation unit 3 can be equivalent to four
The current transformer of brachium pontis, control unit 1 by control the IGBT in discharge and recharge subelement 31 ON time,
Switch periods etc. realize buck or boost, by control IGBT ON time in inversion subelement 32,
Switch periods etc. can realize being converted to the direct current that energy-storage units 2 exports alternating current, so realize right
Drive the driving of motor 4.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a urban track traffic trailer system, it is characterised in that including: control unit, energy storage list
Unit, traction current transformation unit and traction electric machine；
Described traction current transformation unit is connected between two dc bus of externally fed unit；
Described energy-storage units is connected with a dc bus and the traction current transformation unit of externally fed unit respectively,
Described energy-storage units is for storing the electric energy that externally fed unit provides；
Described traction current transformation unit is connected with control unit and described traction electric machine respectively, described control unit
For control described traction current transformation unit described energy-storage units is charged energy storage and/or electric discharge release can, and
The direct current energy that energy-storage units stores is converted to AC energy, exports to traction electric machine driving train operation.
Urban track traffic trailer system the most according to claim 1, it is characterised in that outside described
Being also associated with switch switching unit between portion's power supply unit and described traction current transformation unit, described switch switches
Unit includes: the first switching branches parallel with one another and second switch branch road, described first switching branches bag
Including the first switch, described second switch branch road includes second switch and the current-limiting resistance being serially connected；
Described switch switching unit is also connected with described control unit, and described control unit is used for controlling described
First switchs the Guan Bi with described second switch or disconnection.
Urban track traffic trailer system the most according to claim 1, it is characterised in that traction becomes
Stream unit includes: discharge and recharge subelement and inversion subelement；
The external charging control signal that described discharge and recharge subelement sends for reception control unit, with basis
The voltage that described externally fed unit is exported by described external charging control signal is depressured, to described storage
Energy storage can be charged by unit；
Described discharge and recharge subelement is additionally operable to the discharge control signal that reception control unit sends, with according to institute
State the DC voltage that described energy-storage units exports by discharge control signal to boost, to described energy-storage units
Carrying out electric discharge and release energy, described discharge and recharge subelement is additionally operable to the direct voltage output after boosting to described the most inverse
Varitron unit.
Urban track traffic trailer system the most according to claim 3, it is characterised in that
The traction control signal that described inversion subelement sends for reception control unit, leads with described in basis
Drawing the DC voltage after the boosting that described discharge and recharge subelement is exported by control signal, to be converted to alternating voltage defeated
Go out to traction electric machine, to drive described traction electric machine.
Urban track traffic trailer system the most according to claim 3, it is characterised in that described inverse
Varitron unit is additionally operable to the electric braking recovery signal that reception control unit sends, to return according to described electric braking
Traction electric machine alternating voltage of regeneration when braking is converted to direct voltage output to described charge and discharge by the collection of letters number
Electronic unit.
Urban track traffic trailer system the most according to claim 5, it is characterised in that described in fill
The electric braking charging signals that electric discharge subelement sends for reception control unit, to fill according to described electric braking
The DC voltage that described inversion subelement exports is carried out reduced output voltage extremely described energy-storage units by the signal of telecommunication, with
Described energy-storage units is charged energy storage.
Urban track traffic trailer system the most according to claim 1, it is characterised in that described storage
Can unit be super capacitor or battery or the super capacitor of parallel connection and battery.
Urban track traffic trailer system the most according to claim 3, it is characterised in that described in fill
Electric discharge subelement includes that two IGBT connected, described inversion subelement include: three bridges parallel with one another
Arm, each brachium pontis includes two IGBT connected.
Urban track traffic trailer system the most according to claim 8, it is characterised in that described storage
One end of energy unit is connected to the IGBT of two series connection of described discharge and recharge subelement by afterflow reactor
Between.
Urban track traffic trailer system the most according to claim 2, it is characterised in that described
It is also associated with high-speed circuit breaker between switch switching unit and described externally fed unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279325.7A CN105904987A (en) | 2016-04-28 | 2016-04-28 | City rail traffic traction system |
| PCT/CN2016/105655 WO2017185715A1 (en) | 2016-04-28 | 2016-11-14 | Urban rail transit traction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279325.7A CN105904987A (en) | 2016-04-28 | 2016-04-28 | City rail traffic traction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105904987A true CN105904987A (en) | 2016-08-31 |
Family
ID=56752371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610279325.7A Pending CN105904987A (en) | 2016-04-28 | 2016-04-28 | City rail traffic traction system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105904987A (en) |
| WO (1) | WO2017185715A1 (en) |
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| WO2017185715A1 (en) * | 2016-04-28 | 2017-11-02 | 中车大连电力牵引研发中心有限公司 | Urban rail transit traction system |
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| CN111384722A (en) * | 2018-12-29 | 2020-07-07 | 利思电气（上海）有限公司 | Energy feedback system of rail transit bidirectional traction rectifier |
| CN110341517A (en) * | 2019-06-06 | 2019-10-18 | 深圳先进技术研究院 | An electric energy bidirectional conversion device, an electric vehicle, and an electric vehicle power supply system |
| CN113452010B (en) * | 2020-03-27 | 2023-06-13 | 比亚迪股份有限公司 | Rail transit power supply system and control method thereof |
| CN113135123B (en) * | 2021-04-21 | 2024-02-06 | 重庆中车长客轨道车辆有限公司 | Power supply switching method for rail transit test line |
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| WO2017185715A1 (en) * | 2016-04-28 | 2017-11-02 | 中车大连电力牵引研发中心有限公司 | Urban rail transit traction system |
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| CN113489315A (en) * | 2021-06-30 | 2021-10-08 | 中车大连电力牵引研发中心有限公司 | Intermittent power supply traction controller based on integrated design |
| CN113910914A (en) * | 2021-11-03 | 2022-01-11 | 中车株洲电力机车有限公司 | Rail locomotive return rail switching system and control method thereof |
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