CN206533176U - A kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel - Google Patents
A kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel Download PDFInfo
- Publication number
- CN206533176U CN206533176U CN201720257503.6U CN201720257503U CN206533176U CN 206533176 U CN206533176 U CN 206533176U CN 201720257503 U CN201720257503 U CN 201720257503U CN 206533176 U CN206533176 U CN 206533176U
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- CN
- China
- Prior art keywords
- converters
- bus
- charging station
- fly wheel
- electric vehicle
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- 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
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
-
- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel, including the ac bus being connected with power distribution network, the ac bus connects dc bus by the first AC/DC converters, the dc bus connection DC/DC converters, electric car charge-discharge system, dc bus also connect flywheel energy storage system by the 2nd AC/DC converters；The first AC/DC converters, the 2nd AC/DC converters, DC/DC converters, electric car charge-discharge system are all connected with central control system, for monitoring voltage, electric current and energy, control the operation of each device of charging station.A kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel described in the utility model, to improve the charge efficiency of electric automobile, it is ensured that the safe operation of existing distribution system, improves stability, the quality of power supply of bulk power grid is guaranteed.
Description
Technical field
The utility model belongs to technical field of power systems, more particularly, to a kind of electronic vapour for being equipped with energy accumulation device for fly wheel
Car quick charge station.
Background technology
Quick charge station can be realized carries out fast power supplement to electric automobile in a short time, general using big electricity
Battery of electric vehicle, can be full of by stream, high-power charging for about 15 minutes to half an hour.Quick charge station is that electric automobile is wide
The basis of general application, it is great to the influence on development of electric automobile, therefore attract increasing scientist, enterprise development and construction
Quick charge station.
Traditional quick charge structure, is to export electric energy through the power distribution network in quick charge station by power network, then pass through AC/DC
Powered after converter to the electrokinetic cell of electric automobile.Its shortcoming is：Quick charge station is fitted with greatly multiple quick charge stakes,
They will start simultaneously to produce significant impact to power distribution network；And single quick charge stake is when in use, produce sometimes very big
Charge power, this excessive power swing can have a negative impact to the quality of power supply of distribution system, or even influence existing
The safe operation of distribution system, reduces its stability.
The content of the invention
In view of this, the utility model is directed to a kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel,
To solve in prior art the problem of having a negative impact during electric automobile carries out quick charge to power distribution network.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel, including the ac bus being connected with power distribution network,
The ac bus connects dc bus by the first AC/DC converters, dc bus connection DC/DC converters, electronic
Car charge-discharge system, dc bus also connects flywheel energy storage system by the 2nd AC/DC converters；
The first AC/DC converters, the 2nd AC/DC converters, DC/DC converters, electric car charge-discharge system connect
Central control system is connect, for monitoring voltage, electric current and energy, the operation of each device of charging station is controlled.
Further, the ac bus voltage class is designed as 380V.
Further, the DC bus-bar voltage grade is designed as 600V.
Further, the first AC/DC converters, the 2nd AC/DC converters are reversible transducer.
Further, the ac bus connects the exchange end of the first AC/DC converters and passes through the first AC/DC converters
DC terminal connection dc bus.
Further, the dc bus connects the DC terminal of the 2nd AC/DC converters and passes through the 2nd AC/DC converters
Exchange end connection flywheel energy storage system.
Further, the DC/DC converters are uni-directional converter.
Relative to prior art, a kind of electric vehicle rapid charging for being equipped with energy accumulation device for fly wheel described in the utility model
Station has the advantage that：
1st, because the response time of energy accumulation device for fly wheel is Millisecond, discharge time can continue 15 to 30 minutes, power
Density arrives 1800W/Kg 180, so increasing flywheel energy storage system on the dc bus of quick charge station, smoothly quickly to fill
Load big ups and downs caused by electric, shorten the charging interval of the lower electric automobile of the active rate of change limitation of power distribution network, i.e. charge efficiency
It is higher；
2nd, when electric automobile carries out quick charge in quick charge station, flywheel can the quick power distribution network feeding storage into station
The electric energy deposited, keeps the safe operation of existing distribution system, improves stability, the bulk power grid quality of power supply is guaranteed；
3rd, energy accumulation device for fly wheel is easy for installation, can quickly frequent discharge and recharge, service life 20 years or so, therefore relative to storage
The more economical environment-friendly high-efficiency of the energy storage mode such as battery energy storage.
Brief description of the drawings
Fig. 1 is the structural representation of the electric vehicle rapid charging station described in the utility model embodiment.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The electric vehicle rapid charging station of energy accumulation device for fly wheel is equipped with as shown in figure 1, a kind of, including be connected with power distribution network
Ac bus, the ac bus connects dc bus by the first AC/DC converters, and the dc bus connection DC/DC becomes
Parallel operation, electric car charge-discharge system, dc bus also connect flywheel energy storage system by the 2nd AC/DC converters；
The first AC/DC converters, the 2nd AC/DC converters, DC/DC converters, electric car charge-discharge system connect
Central control system is connect, for monitoring voltage, electric current and energy, the operation of each device of charging station is controlled.
It is worth noting that, the ac bus voltage class is designed as 380V.
It is worth noting that, the DC bus-bar voltage grade is designed as 600V.
It is worth noting that, the first AC/DC converters, the 2nd AC/DC converters are reversible transducer.
It is worth noting that, the ac bus connects the exchange end of the first AC/DC converters and become by the first AC/DC
The DC terminal connection dc bus of parallel operation.
It is worth noting that, the dc bus connects the DC terminal of the 2nd AC/DC converters and become by the 2nd AC/DC
The exchange end connection flywheel energy storage system of parallel operation.
It is worth noting that, the DC/DC converters are uni-directional converter.
Concrete operating principle：Quick charge station in the utility model specific embodiment is transported with direct-current grid pattern
OK, the power demand of flywheel energy storage system, electric automobile charge-discharge system, alternating current-direct current load is collected by dc bus, association is realized
Adjust optimal operation.
To realize the two-way flow of energy, ac bus is connected by the first two-way AC/DC converters with dc bus；Directly
Stream bus is connected by the second two-way AC/DC converters with flywheel energy storage system.
DC/DC converters have unidirectional and two-way point, depending on the demand of energy.For flywheel energy storage system and electronic vapour
Car charge-discharge system is, it is necessary to realize two-way energy flow, so realizing the interaction of both sides using double-direction control.And for direct current
For load, just DC/DC converters simply in one-way flow, therefore Fig. 1 are uni-directional converter.
Quick charge station has AC load and the class of DC load two, and AC load is the load under conventional civil power, is usually
Invariable power type load；DC load is the load suitable for directly being used under DC voltage, usually constant-resistance type load.Hand over straight
Stream load is divided by priority level, in the case where charging is not enough, is according to priority cut off successively, maintains the flat of system power
Weighing apparatus, to maintain distribution stable.
Specific charging process：Under the scheduling of central control system, when power distribution network, can individually to meet electric automobile quick
The demand of charging and the power demand of alternating current-direct current load, without producing when power quality problem and distribution stable problem, fly
Wheel energy-storage system can be transferred to stand-by state；When there is a large amount of electric automobiles to carry out quick charge, flywheel energy storage system can be thrown immediately
Enter operation, quickly fed to distribution it is high-power, to maintain distribution network electric energy quality and distribution stability and security to run.
After electric automobile carries out charging complete, flywheel energy storage system then enters low-power charged state at a slow speed, is next
Secondary quick charge reserve power.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel, it is characterised in that：Including what is be connected with power distribution network
Ac bus, the ac bus connects dc bus by the first AC/DC converters, and the dc bus connection DC/DC becomes
Parallel operation, electric car charge-discharge system, dc bus also connect flywheel energy storage system by the 2nd AC/DC converters；
During the first AC/DC converters, the 2nd AC/DC converters, DC/DC converters, electric car charge-discharge system are all connected with
Control system is entreated, for monitoring voltage, electric current and energy, the operation of each device of charging station is controlled.
2. a kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel according to claim 1, it is characterised in that：
The ac bus voltage class is designed as 380V.
3. a kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel according to claim 1, it is characterised in that：
The DC bus-bar voltage grade is designed as 600V.
4. a kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel according to claim 1, it is characterised in that：
The first AC/DC converters, the 2nd AC/DC converters are reversible transducer.
5. a kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel according to claim 1, it is characterised in that：
The ac bus connects the exchange end of the first AC/DC converters and connects direct current by the DC terminal of the first AC/DC converters
Bus.
6. a kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel according to claim 1, it is characterised in that：
The dc bus connects the DC terminal of the 2nd AC/DC converters and connects flywheel by the exchange end of the 2nd AC/DC converters
Energy-storage system.
7. a kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel according to claim 1, it is characterised in that：
The DC/DC converters are uni-directional converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720257503.6U CN206533176U (en) | 2017-03-16 | 2017-03-16 | A kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720257503.6U CN206533176U (en) | 2017-03-16 | 2017-03-16 | A kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206533176U true CN206533176U (en) | 2017-09-29 |
Family
ID=59917755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720257503.6U Expired - Fee Related CN206533176U (en) | 2017-03-16 | 2017-03-16 | A kind of electric vehicle rapid charging station for being equipped with energy accumulation device for fly wheel |
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| CN (1) | CN206533176U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667111A (en) * | 2018-05-23 | 2018-10-16 | 北京国网普瑞特高压输电技术有限公司 | A kind of electric vehicle charge and discharge intelligence energy internet optimization system |
| CN109149634A (en) * | 2018-08-29 | 2019-01-04 | 沈阳微控新能源技术有限公司 | Regeneration energy recycling system and control method based on flywheel energy storage and inversion feedback |
| CN111313521A (en) * | 2020-04-03 | 2020-06-19 | 大连亨利科技有限公司 | Flywheel energy storage dilatation system under charging station constant power condition |
| CN114421452A (en) * | 2022-03-28 | 2022-04-29 | 国网天津市电力公司电力科学研究院 | Nonlinear control system and method suitable for direct current charging station |
-
2017
- 2017-03-16 CN CN201720257503.6U patent/CN206533176U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667111A (en) * | 2018-05-23 | 2018-10-16 | 北京国网普瑞特高压输电技术有限公司 | A kind of electric vehicle charge and discharge intelligence energy internet optimization system |
| CN109149634A (en) * | 2018-08-29 | 2019-01-04 | 沈阳微控新能源技术有限公司 | Regeneration energy recycling system and control method based on flywheel energy storage and inversion feedback |
| CN111313521A (en) * | 2020-04-03 | 2020-06-19 | 大连亨利科技有限公司 | Flywheel energy storage dilatation system under charging station constant power condition |
| CN114421452A (en) * | 2022-03-28 | 2022-04-29 | 国网天津市电力公司电力科学研究院 | Nonlinear control system and method suitable for direct current charging station |
| CN114421452B (en) * | 2022-03-28 | 2022-06-17 | 国网天津市电力公司电力科学研究院 | Nonlinear control system and method suitable for direct current charging station |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170929 Termination date: 20210316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |