CN109334471A - A kind of mixed power supply system of tramcar - Google Patents
A kind of mixed power supply system of tramcar Download PDFInfo
- Publication number
- CN109334471A CN109334471A CN201811089592.3A CN201811089592A CN109334471A CN 109334471 A CN109334471 A CN 109334471A CN 201811089592 A CN201811089592 A CN 201811089592A CN 109334471 A CN109334471 A CN 109334471A
- Authority
- CN
- China
- Prior art keywords
- tramcar
- power supply
- supply system
- super capacitor
- mixed power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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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
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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
-
- 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
Abstract
The application discloses a kind of mixed power supply system of tramcar, is related to tramcar technical field, and the mixed power supply system is made of hybrid super capacitor and double electric layers supercapacitor；Wherein, the hybrid super capacitor is used to be powered in tramcar operation as main driving source；The double electric layers supercapacitor in the startup stage of tramcar as auxiliary drive source for being powered.Compared to double electric layers supercapacitor, hybrid super capacitor has higher energy density, enough energy can be provided, so that tramcar has enough course continuation mileages in the case where occupancy volume is relatively small.Compared to battery, double electric layers supercapacitor power density with higher can be capable of providing higher power in the startup stage of electric car；It recovers energy in the deboost phase, sufficiently meets the needs of tramcar is in starting and braking.
Description
Technical field
This application involves field of new energy technologies more particularly to a kind of mixed power supply systems of tramcar.
Background technique
Tramcar is using the light-duty rail traffic vehicle for being driven by electricity and travelling in orbit, is that a kind of environmental protection is convenient
Public transport.
Currently, the tramcar operation range of each region is more and more wider, route station with the development of domestic tramcar
Distance between point is also being continuously increased, this means that electric car power supply system must satisfy big energy, height under original space
The characteristic requirements such as power, charging rate be fast.
Specifically, at present the power supply system of domestic tramcar using double electric layers supercapacitor as main driving source,
Battery is as auxiliary drive source.The energy density of double electric layers supercapacitor is lower, and large number of monomer is needed to be gone here and there
Parallel connection, this, which may cause, is unable to satisfy vehicle volume requirement.Although in addition, the battery energy storage capacity as auxiliary drive source
By force, but power density is low, is unable to fully absorb the energy of recycling in vehicle braking, for a long time to electric power storage under powerful operating condition
There is larger impact in the service life in pond；In addition, that there is also ripple voltages is big for the power supply that provides of battery, the disadvantages of poor anti jamming capability.
Summary of the invention
Technical problems to be solved in this application are, for the above-mentioned deficiency of the prior art, propose a kind of tramcar
Mixed power supply system, to better meet requirement of the tramcar to the volume of electric car power supply system, power, energy density.
The mixed power supply system is made of hybrid super capacitor and double electric layers supercapacitor；
Wherein, the hybrid super capacitor is used to be powered in tramcar operation as main driving source；Institute
Double electric layers supercapacitor is stated for being powered in the startup stage of tramcar as auxiliary drive source, when braking recycles energy
Amount.
Optionally, the hybrid super capacitor is connected to DC bus by two-way DC/DC converter, and passes through institute
DC bus is stated to charge.
Optionally, the double electric layers supercapacitor is directly connected to DC bus, and is charged by DC bus.
Optionally, the hybrid super capacitor and the double electric layers supercapacitor have by DC bus to described
Rail electric car is powered.
Optionally, the tramcar the deboost phase by raise DC bus-bar voltage carry out feedback energy absorption.
Optionally, the hybrid super capacitor is formed by connecting by multiple hybrid super capacitor mould groups；Electric double layer
Supercapacitor is formed by connecting by multiple double electric layers supercapacitor mould groups.
Present applicant proposes a kind of mixed power supply system of tramcar, the mixed power supply system is by hybrid super electricity
Container and double electric layers supercapacitor are constituted；Wherein, the hybrid super capacitor is used for the conduct in tramcar operation
Main driving source is powered；The double electric layers supercapacitor is used to be used as auxiliary to drive in the starting of tramcar, deboost phase
Dynamic source is powered.Compared to double electric layers supercapacitor, hybrid super capacitor has higher energy density, Neng Gou
In the case that occupancy volume is relatively small, enough energy are provided, so that electric car has enough course continuation mileages.Compared to electric power storage
Pond, double electric layers supercapacitor power density with higher can be capable of providing higher power in the startup stage of electric car,
It recovers energy when braking, sufficiently meets the needs of electric car is in starting and braking.In addition, double electric layers supercapacitor can also fill
Divide ground to absorb the energy that electric car is recycled in the deboost phase, and do not need to connect two-way DC/DC converter, overcomes battery because of function
Rate is limited and the caused heating problem that can not recover energy, and reduces the power consumption of vehicle, improves the energy recovery efficiency of vehicle.
Detailed description of the invention
Fig. 1 is the structural block diagram of the mixed power supply system of tramcar shown according to an exemplary embodiment.
Specific embodiment
It is the specific embodiment of the application and in conjunction with attached drawing below, the technical solution of the application is further described,
But the application is not limited to these examples.In the following description, the specific detail of such as specific configuration and component is provided
Just for the sake of helping comprehensive understanding embodiments herein.It therefore, it will be apparent to those skilled in the art that can be to retouching here
The embodiment stated makes various changes and modifications without departing from the scope and spirit of the present application.In addition, for clarity and brevity, saving
The description to known function and construction is omited.
The embodiment of the present application shows a kind of mixed power supply system of tramcar, the mixed power supply system of the tramcar
It can satisfy requirement of the tramcar to electric car power supply system in volume, power, energy density.
Specifically, tramcar uses double electric layers supercapacitor as main driving source at present, and battery is as auxiliary
Driving source.Mixed power supply system shown in the present embodiment is made of hybrid super capacitor and double electric layers supercapacitor；Its
In, which is used to be powered in tramcar operation as main driving source；The super electricity of the electric double layer
Container is powered in the startup stage of tramcar as auxiliary drive source.Compared to double electric layers supercapacitor, mixed type
Supercapacitor has higher energy density, can provide enough energy with lesser volume, realize in longer continuation of the journey
Journey.Compared to battery, double electric layers supercapacitor power density with higher provides higher in the startup stage of electric car
Power sufficiently meets the needs of electric car is to output power.
It is inhaled in addition, it should be noted that, double electric layers supercapacitor mainly passes through pure electrostatic charge in electrode surface
It is attached to generate storage energy.Hybrid super capacitor is a kind of hybrid capacitors, and hybrid capacitors are to utilize two kinds
Different electrode materials makees the capacitor of positive and negative anodes production, for example, a wherein extremely carbon material, another extremely LiFePO4 material
Material.
The mixed power supply system of the tramcar shown in the embodiment of the present application is further described with reference to the accompanying drawing.
As shown in Figure 1, the mixed power supply system is by 12 structure of hybrid super capacitor 11 and double electric layers supercapacitor
At；Wherein, the hybrid super capacitor 11 is used to be powered in tramcar operation as main driving source；It is described double
For electric layer supercapacitor 12 for being powered in the startup stage of tramcar as auxiliary drive source, when braking, recycles energy
Amount.
Specifically, hybrid super capacitor 11 is main driving source, is powered when tramcar operates normally；Double electricity
Layer supercapacitor 12 is auxiliary driving source, provides higher power in the startup stage of tramcar；In the deboost phase, main drive
Dynamic source and auxiliary drive source recover energy from DC bus.Wherein, DC bus be tramcar and this mixed power supply system it
Between connecting line.
Further, in the mixed power supply system shown in the embodiment of the present application, hybrid super capacitor 11 have compared with
High energy density can provide enough energy, it can be achieved that longer course continuation mileage with lesser volume.The super electricity of electric double layer
The power density with higher of container 12 provides higher power in the startup stage of electric car, sufficiently meets electric car to power supply
The demand of power.
In addition, double electric layers supercapacitor 12 can also fully absorb the energy that electric car is recycled in the deboost phase, overcome
Battery increases the absorptivity to recover energy, reduces because of power limited and heating problem caused by can not recovering energy
The power consumption of power consumption and vehicle when braking.
In embodiments herein, the hybrid super capacitor 11 is connected to by two-way DC/DC converter 13
DC bus, and charged by the DC bus.Two-way DC/DC converter 13 herein can be used for adjusting voltage value,
It can be realized the two-way flow of direct current energy.
In embodiments herein, the double electric layers supercapacitor 12 is directly connected to DC bus, and by straight
Stream bus charges.Since double electric layers supercapacitor 12 does not need to connect two-way DC/DC converter 13, auxiliary drive source
Reaction speed is faster than main driving source, can provide the high-power of moment, increases the acceleration capacity of tramcar at runtime.
In the Shi Lizhong of the application reality, the hybrid super capacitor 11 and the double electric layers supercapacitor 12 pass through
DC bus is powered the tramcar.
Further, the charge and discharge of the hybrid super capacitor 11 and the double electric layers supercapacitor 12 can lead to
Cross DC bus completion.
In embodiments herein, the tramcar carries out feedback by raising DC bus-bar voltage in the deboost phase
The absorption of energy.
Tramcar can utilize kinetic energy power generation in the deboost phase, convert the kinetic energy into electrical energy.In tramcar braking, directly
Stream busbar voltage can increase, and hybrid super capacitor 11 and double electric layers supercapacitor 12 recover energy from DC bus.
In embodiments herein, the hybrid super capacitor 11 is by multiple 11 mould groups of hybrid super capacitor
It is formed by connecting；Double electric layers supercapacitor 12 is formed by connecting by multiple 12 mould groups of double electric layers supercapacitor.
In addition, the internal electric system of hybrid super capacitor 11 is passed by preliminary filling electrical circuit, power supply, fuse, voltage
Sensor, current sensor, master control system are constituted.The internal electric system of double electric layers supercapacitor 12 is by power supply, contactor, molten
Disconnected device, voltage sensor, current sensor, master control system are constituted.Hybrid super capacitor 11 and double electric layers supercapacitor
12 internal electric system can make corresponding adjustment according to the actual situation, not do excessive repeat here.
Specific embodiment described in text is only to give an example to the application spirit.The application technical field
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner,
But without departing from spirit herein or beyond the scope of the appended claims.
Claims (6)
1. a kind of mixed power supply system of tramcar, which is characterized in that the mixed power supply system is by hybrid super capacitor
Device and double electric layers supercapacitor are constituted；
Wherein, the hybrid super capacitor is used to be powered in tramcar operation as main driving source；It is described double
For being powered in the startup stage of tramcar as auxiliary drive source, when braking, recovers energy electric layer supercapacitor.
2. the mixed power supply system of tramcar according to claim 1, which is characterized in that the hybrid super capacitor
Device is connected to DC bus by two-way DC/DC converter, and is charged by the DC bus.
3. the mixed power supply system of tramcar according to claim 2, which is characterized in that the electric double layer super capacitor
Device is directly connected to DC bus, and is charged by DC bus.
4. the mixed power supply system of tramcar according to claim 3, which is characterized in that the hybrid super capacitor
Device and the double electric layers supercapacitor are powered the tramcar by DC bus.
5. the mixed power supply system of tramcar according to claim 4, which is characterized in that the tramcar is being braked
Stage carries out the absorption of feedback energy by raising DC bus-bar voltage.
6. the mixed power supply system of tramcar according to claim 1, which is characterized in that the hybrid super capacitor
Device is formed by connecting by multiple hybrid super capacitor mould groups；Double electric layers supercapacitor is by multiple double electric layers supercapacitor moulds
Group is formed by connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811089592.3A CN109334471A (en) | 2018-09-18 | 2018-09-18 | A kind of mixed power supply system of tramcar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811089592.3A CN109334471A (en) | 2018-09-18 | 2018-09-18 | A kind of mixed power supply system of tramcar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109334471A true CN109334471A (en) | 2019-02-15 |
Family
ID=65306048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811089592.3A Pending CN109334471A (en) | 2018-09-18 | 2018-09-18 | A kind of mixed power supply system of tramcar |
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| CN (1) | CN109334471A (en) |
Citations (9)
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| CN201749788U (en) * | 2009-12-25 | 2011-02-16 | 哈尔滨巨容新能源有限公司 | Vehicle dual electric layer capacitor |
| CN102700427B (en) * | 2012-06-01 | 2014-05-21 | 武汉理工大学 | Vehicle-mounted fuel cell and storage cell directly paralleled power system with super capacitor |
| CN103879412A (en) * | 2014-03-14 | 2014-06-25 | 唐山轨道客车有限责任公司 | Tramcar power system and control method |
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