CN206759102U - A kind of ground integrated energy corollary system of track traffic vehicle - Google Patents
A kind of ground integrated energy corollary system of track traffic vehicle Download PDFInfo
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- CN206759102U CN206759102U CN201720532299.4U CN201720532299U CN206759102U CN 206759102 U CN206759102 U CN 206759102U CN 201720532299 U CN201720532299 U CN 201720532299U CN 206759102 U CN206759102 U CN 206759102U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
The utility model is a kind of ground integrated energy corollary system of track traffic vehicle, including high voltage supply net, three-phase transformer, multi phase rectifier, dc bus, two-way DC/DC units, ground energy-storage system, DC/DC units, energy-storage units I, energy-storage units II and D.C. contactor unit；High voltage supply net is connected with three-phase transformer, and three-phase transformer is connected with two multi phase rectifiers；Each multi phase rectifier is connected with one group of dc bus respectively；Every group of dc bus is connected with two-way DC/DC units and DC/DC units；Two-way DC/DC units are connected with ground energy-storage system；DC/DC units are connected with energy-storage units I and energy-storage units II；D.C. contactor unit is connected with two groups of dc bus respectively, can be DC bus powered by another group when one of which DC bus fault, plays a part of redundancy.Ground energy-storage system cooperates with charging with dc bus, reduces the capacity and power grade of transformer and power electronic equipment, improves load factor, reduces construction and the operation costs such as underlay capacity expense.
Description
Technical field
It the utility model is related to technology of track traffic and the crossing domain of energy storage technology, espespecially a kind of track traffic vehicle
Ground integrated energy corollary system.
Background technology
The power supply of existing rail traffic vehicles is divided into both of which, and the first pattern is contact net powering mode, contact net
Powering mode has been only applicable under net operating mode, and the contact net construction of long range can produce great amount of cost, influence urban.Second
Kind pattern is vehicle-mounted energy-storage system powering mode, but regardless of energy-storage units, is required for solving the problems, such as continuation of the journey.Solve at present
Continuation of the journey problem is usually station stopping for charging, and this scheme has many drawbacks：1st, charging station construction is held to electric power system power distribution
Amount dependence is strong, and distribution system construction cost is uncontrollable；2nd, each station is required for individually building charging station, and construction cost is high；3、
Batch (-type) charging modes cause transformer load rate relatively low so that electric power system is less efficient.
Therefore, the utility model provides a kind of ground integrated energy corollary system of track traffic vehicle, can be applied to city
It is that vehicle-mounted energy-storage system powering mode cooperation is entered the station using the ground integrated pattern of car under city's rail traffic vehicles off-grid operation pattern
Charge mode, can store electric energy when in station without vehicle by ground energy-storage system, after vehicle pull-in can by direct current network with
Ground energy-storage system collaboration charging, station construction cost can be also reduced while reducing power network fluctuation.
Utility model content
For defect present in prior art, the purpose of this utility model is with providing a kind of track traffic vehicle one
Body energy corollary system, the system can draw energy storage in energy-storage units from power network at any time, and can coordinate direct current
Net is simultaneously the up-downgoing vehicle electric energy supplement to enter the station, solves problems with：1st, vehicle-mounted energy-storage system stored energy capacitance is relatively low, continues
The mileage that navigates is short, charges the problem of frequent；2nd, because course continuation mileage is short, when electric power system breaks down or because of external cause parking waiting
When, easily cause because of depleted of energy and scram, the problem of operational reliability is poor；During charging, power demand is larger, charging
Electric current it is larger, it is necessary to transformer, power electronics equipment capacity and power grade it is higher, distribution system basic capacity is taken high
Problem；3rd, charging station construction is strong to electric power system power distribution volume dependent, the uncontrollable problem of distribution system construction cost；4th, it is every
The problem of individual station is required for individually building charging station, and construction cost is high；5th, batch (-type) charging modes cause transformer load rate compared with
It is low so that the problem of electric power system is less efficient.
To achieve the above objectives, the utility model adopts the technical scheme that：
A kind of ground integrated energy corollary system of track traffic vehicle, including：High voltage supply net, three-phase transformer, more arteries and veins
Ripple rectifier, dc bus, two-way DC/DC units, ground energy-storage system, DC/DC units, energy-storage units I, the and of energy-storage units II
D.C. contactor unit；
The high voltage supply net is connected with three-phase transformer, and three-phase transformer is connected with two multi phase rectifiers；Each
Multi phase rectifier is connected with one group of dc bus respectively；Every group of dc bus respectively with two-way DC/DC units and DC/DC units
It is connected；The two-way DC/DC units are connected with ground energy-storage system；The DC/DC units and energy-storage units I and energy-storage units II
It is connected；
The D.C. contactor unit is connected with two groups of dc bus respectively, can when one of which DC bus fault
It is DC bus powered by another group, play a part of redundancy；
The three-phase transformer is used to be depressured and isolate；
The multi phase rectifier is used to three-phase alternating current being converted into direct current；
The dc bus is used for for ground energy-storage units and needs charging vehicle to provide dc source；
The two-way DC/DC units and DC/DC units are used for buck/boost；
The ground energy-storage system is used to store electric energy.
On the basis of such scheme, the high voltage supply net is the energy source of system, is usually outside municipal power network,
Voltage class is usually 10kV.
On the basis of such scheme, the energy-storage units contained by the ground energy-storage system can be lithium battery energy storage battery unit,
But it is not limited to this energy-storage units.
On the basis of such scheme, the energy-storage units I and energy-storage units II collectively constitute the vehicle-mounted of up-downgoing vehicle
Energy-storage system, up-downgoing vehicle can charge simultaneously.
On the basis of such scheme, the energy-storage units I are lithium battery energy storage battery unit, and the energy-storage units II are super
Capacitor storage unit.
On the basis of such scheme, the multi phase rectifier is 12 Pulses Rectifiers.
Vehicle is equipped with lithium battery energy storage battery unit and super capacitor storage unit in the utility model, but is not limited to this storage
Can unit.
System described in the utility model by it is up power supply and it is descending power supply two parts form, can simultaneously for up vehicle and under
Driving power supply, electric energy can be stored by ground energy-storage system when in station without vehicle, can pass through dc bus after vehicle pull-in
Charging is cooperateed with ground energy-storage system, reduces the parameter request of system inner high voltage electrical part, improves devices use rate.
The ground integrated energy corollary system of track traffic vehicle described in the utility model, it is possible to achieve car is ground integrated,
System Construction is in station, equiping system quantity as needed.Charge mode is cooperateed with dc bus using ground energy-storage system,
The capacity and power grade of transformer and power electronic equipment are reduced, load factor is improved, raising efficiency, reduces underlay capacity and take
Construction and operation cost.
Brief description of the drawings
The utility model has drawings described below：
Fig. 1 structure charts of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in figure 1, the ground integrated energy corollary system of a kind of track traffic vehicle described in the utility model, including：
High voltage supply net 1, three-phase transformer 2, multi phase rectifier 3, dc bus 4, two-way DC/DC units 5, ground energy-storage system 6,
DC/DC units 7, energy-storage units I 8, energy-storage units II 9 and D.C. contactor unit 10；
The high voltage supply net 1 is connected with three-phase transformer 2, and three-phase transformer 2 is connected with two multi phase rectifiers 3；
Each Pulses Rectifier 3 is connected with one group of dc bus respectively；Every group of dc bus 4 respectively with two-way DC/DC units 5 and DC/
DC units 7 are connected；The two-way DC/DC units 5 are connected with ground energy-storage system 6；The DC/DC units 7 and energy-storage units I 8
It is connected with energy-storage units II 9；
The D.C. contactor unit 10 is connected with two groups of dc bus 4 respectively, when one of which DC bus fault,
Can be DC bus powered by another group, play a part of redundancy；
The three-phase transformer 2 is used to be depressured and isolate；
The multi phase rectifier 3 is used to three-phase alternating current being converted into direct current；
The dc bus 4 is used for for ground energy-storage units 6 and needs charging vehicle to provide dc source；
The two-way DC/DC units 5 and DC/DC units 7 are used for buck/boost；
The ground energy-storage system 6 is used to store electric energy.
On the basis of such scheme, the high voltage supply net is the energy source of system, is usually outside municipal power network,
Voltage class is usually 10kV.
On the basis of such scheme, the energy-storage units contained by the ground energy-storage system can be lithium battery energy storage battery unit,
But it is not limited to this energy-storage units.
On the basis of such scheme, the energy-storage units I 8 and energy-storage units II 9 collectively constitute the car of up-downgoing vehicle
Energy-storage system is carried, up-downgoing vehicle can charge simultaneously.
On the basis of such scheme, the energy-storage units I 8 are lithium battery energy storage battery unit, and the energy-storage units II 9 are super
Level capacitor storage unit.
On the basis of such scheme, the multi phase rectifier is 12 Pulses Rectifiers.
Vehicle is equipped with lithium battery energy storage battery unit and super capacitor storage unit in the utility model, but is not limited to this storage
Can unit.
System described in the utility model is made up of up power supply and descending power supply two parts, can simultaneously for up vehicle and
Descending vehicle power supply.Electric energy can be stored when in station without vehicle by ground energy-storage system, can be female by direct current after vehicle pull-in
Line cooperates with charging with ground energy-storage system, reduces the parameter request of system inner high voltage electrical part, improves devices use rate.
The ground integrated energy corollary system of a kind of track traffic vehicle described in the utility model, makes rail traffic vehicles can
Fully achieve off-grid operation and coordinate charging continuation of the journey of entering the station；Ground energy-storage system is not limited to lithium battery energy storage battery one kind in the system
Form；Ground energy-storage system cooperates with charge mode with dc bus in the system, reduces transformer and power electronic equipment
Capacity and power grade, load factor is improved, raising efficiency, underlay capacity is reduced and construction and the operation cost such as takes；The system can
It is simultaneously up-downgoing vehicle electric energy supplement；Up-downgoing dc bus can be mutually redundant in the system.
The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (6)
- A kind of 1. ground integrated energy corollary system of track traffic vehicle, it is characterised in that including：High voltage supply net, three phase transformations Depressor, multi phase rectifier, dc bus, two-way DC/DC units, ground energy-storage system, DC/DC units, energy-storage units I, storage Can unit II and D.C. contactor unit；The high voltage supply net is connected with three-phase transformer, and three-phase transformer is connected with two multi phase rectifiers；Each more arteries and veins Ripple rectifier is connected with one group of dc bus respectively；Every group of dc bus respectively with two-way DC/DC units and DC/DC unit phases Even；The two-way DC/DC units are connected with ground energy-storage system；The DC/DC units and energy-storage units I and the phase of energy-storage units II Even；The D.C. contactor unit is connected with two groups of dc bus respectively, can be by another when one of which DC bus fault One group DC bus powered, plays a part of redundancy；The three-phase transformer is used to be depressured and isolate；The multi phase rectifier is used to three-phase alternating current being converted into direct current；The dc bus is used for for ground energy-storage units and needs charging vehicle to provide dc source；The two-way DC/DC units and DC/DC units are used for buck/boost；The ground energy-storage system is used to store electric energy.
- 2. the ground integrated energy corollary system of track traffic vehicle as claimed in claim 1, it is characterised in that the high pressure supplies Power network is the energy source of system, and the high voltage supply net is outside municipal power network, voltage class 10kV.
- 3. the ground integrated energy corollary system of track traffic vehicle as claimed in claim 1, it is characterised in that more pulse waves Rectifier is 12 Pulses Rectifiers.
- 4. the ground integrated energy corollary system of track traffic vehicle as claimed in claim 1, it is characterised in that the ground storage Energy-storage units contained by energy system include lithium battery energy storage battery unit.
- 5. the ground integrated energy corollary system of track traffic vehicle as claimed in claim 1, it is characterised in that the energy storage list Member I and energy-storage units II collectively constitute the vehicle-mounted energy-storage system of up-downgoing vehicle, and up-downgoing vehicle can charge simultaneously.
- 6. the ground integrated energy corollary system of track traffic vehicle as claimed in claim 5, it is characterised in that the energy storage list Member I is lithium battery energy storage battery unit, and the energy-storage units II are super capacitor storage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720532299.4U CN206759102U (en) | 2017-05-15 | 2017-05-15 | A kind of ground integrated energy corollary system of track traffic vehicle |
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| CN201720532299.4U CN206759102U (en) | 2017-05-15 | 2017-05-15 | A kind of ground integrated energy corollary system of track traffic vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342605A (en) * | 2017-05-15 | 2017-11-10 | 北京北交新能科技有限公司 | A kind of ground integrated energy corollary system of track traffic vehicle |
| CN108988447A (en) * | 2018-07-02 | 2018-12-11 | 国电南瑞科技股份有限公司 | A kind of method of supplying power to and charging unit for super capacitor energy-storage type tramcar |
| WO2020020325A1 (en) * | 2018-07-27 | 2020-01-30 | 比亚迪股份有限公司 | Rail transport power supply system |
-
2017
- 2017-05-15 CN CN201720532299.4U patent/CN206759102U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342605A (en) * | 2017-05-15 | 2017-11-10 | 北京北交新能科技有限公司 | A kind of ground integrated energy corollary system of track traffic vehicle |
| CN108988447A (en) * | 2018-07-02 | 2018-12-11 | 国电南瑞科技股份有限公司 | A kind of method of supplying power to and charging unit for super capacitor energy-storage type tramcar |
| WO2020020325A1 (en) * | 2018-07-27 | 2020-01-30 | 比亚迪股份有限公司 | Rail transport power supply system |
| CN110768243A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Rail transit power supply system |
| CN110768243B (en) * | 2018-07-27 | 2022-02-08 | 比亚迪股份有限公司 | Rail transit power supply system |
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