CN104993535A - Battery storage and concentrated charging optimization method for electric bus charging and converting station - Google Patents
Battery storage and concentrated charging optimization method for electric bus charging and converting station Download PDFInfo
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- CN104993535A CN104993535A CN201510382552.8A CN201510382552A CN104993535A CN 104993535 A CN104993535 A CN 104993535A CN 201510382552 A CN201510382552 A CN 201510382552A CN 104993535 A CN104993535 A CN 104993535A
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- charging
- battery
- vehicle
- changing station
- electrical changing
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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
- Y02E60/10—Energy storage using batteries
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Abstract
The invention provides a battery storage and concentrated charging optimization method for an electric bus charging and converting station. The method involves making an optimization principle on the basis of formulation of an optimization target; constructing an electric bus charging and converting station parameter design model; based on a power converting station, serving a single route, and under the condition that power conversion and charging are carried out when a vehicle only runs a round, giving calculation methods of a vehicle quantity, a standby battery quantity, a power conversion station quantity and charging power in different conditions; and finally giving an electric bus charging and converting station operation mode. By using the method provided by the invention, the problems existing in the prior art are solved.
Description
Technical field
The invention belongs to electric bus and fill electrical changing station cell art, be specifically related to one and fill electrical changing station battery storage for electric bus and concentrate charging optimization method.
Background technology
Electric automobile has outstanding advantage such as low noise, almost zero discharge, comprehensive energy utilization etc., is the important channel solving the problem such as the energy, environmental protection now.The performance of electric automobile power battery determines the performance of electric automobile to a great extent, and the technology relevant to electrokinetic cell is an important topic of electric automobile research.
By investigation and analysis, electric bus fills electrical changing station and there is following problem in battery storage and concentrated charging:
(1) redundancy is designed excessive.Fill electrical changing station about problems that between core parameter design load and actual usage quantity, existence design redundancy is excessive such as reserve battery quantity, distribution capacity, more replacing equipment and replacing numbers of channels, this is mainly because about filling electrical changing station relevant design lack of experience, the service data that can be used for design improvement is less.For ensureing that electrical changing station can meet the operation needs of vehicle, often design process based on vehicle and lithium battery absolute rating design, bus running parameter and operational mode are understood deeply the Effect Mode filling electrical changing station core parameter, the charging interval design that such as battery charge time discharges according to battery 100% substantially, fills that electrical changing station distribution power simply calculates by the peak power output running charger, the impact of different vehicle operational mode on vehicle replacement frequency is not considered.
(2) Vehicular charging management strategy is simple.The bus of current actual motion fills the general Bian vehicle of electrical changing station and goes back to station and namely change electricity, to change after electricity Charge Management strategy immediately.Do not consider bus running feature, battery charging security and electrical changing station part throttle characteristics, cause and fill the problems such as electrical changing station reserve battery storage level is comparatively large, and concentrated charging risk is high, load fluctuation is large.In fact concentrate that charging is dangerous and to improve the charging control strategy that part throttle characteristics is target be feasible filling in electrical changing station to carry out reducing, because there is the moving law at peace peak, peak in bus, and the quantity of reserve battery, charging interval and power to regulate within the specific limits, and then the part throttle characteristics and charging security reliability of filling electrical changing station can be improved to a great extent.
At present concerning electric motor car fills electrical changing station, topmost target is optimized in batteries of electric automobile management.
Summary of the invention
The present invention is to solve the above-mentioned defect that prior art exists, its objective is: reduce battery storage and concentrate the design redundancy of charging, optimize and form simple Vehicular charging management strategy efficiently.
For solving above-mentioned technical problem, the technical scheme that electric bus of the present invention fills electrical changing station battery storage and concentrates charging optimization method to adopt is:
A kind of electric bus fills electrical changing station battery storage and concentrates charging optimization method, comprise: optimization principles is formulated on the basis of formulation optimization aim, and be single line service based on electrical changing station, and vehicle only runs under enclosing the prerequisite of changing electricity charging, determine vehicle number, reserve battery number under different condition, change electrician's figure place and charge power; This optimization principles comprises, fill electrical changing station reserve battery design time, choose morning peak and morning and afternoon flat peak time section, as the time period that battery backup requirements amount is maximum; The calculating of described reserve battery meets to change the electricity time after vehicle goes back to station and wait in line to change the electricity time and is less than vehicle and returns the minimum principle of quantity in stock under the prerequisite of station permission time.
Compared with background technology, the effect that the present invention has is:
1, ensure that the security reliability of filling electrical changing station and running.
2, reasonable construction electric automobile rechargeable battery safety inventory.
3, draft electric automobile and fill electrical changing station optimal charge scheme.
Accompanying drawing explanation
Fig. 1 be the bus operating time and running time graph of a relation;
Fig. 2 fills electrical changing station parameter designing model schematic;
Fig. 3 fills electrical changing station operating mode schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Electric vehicle lithium battery has certain explosive characteristic, when therefore considering storage capacity, single consideration the needs changing electricity be can not meet in electric automobile running, charge mode (namely change and namely fill, concentrate charging, charge in batches), the hazard property of network load, operating cost and electric vehicle lithium battery itself also needed to consider.Such complex situations, the battery storage management of filling electrical changing station to electric motor car adds larger difficulty.The present invention is directed to electric motor car and fill electrical changing station, automobile batteries management is optimized, and then following target can be reached:
(1) security reliability of filling electrical changing station operation is ensured
The instantaneous reserves of electric automobile rechargeable battery are excessive or battery concentrated charging network load is excessive, capital causes that to fill electrical changing station risk too high, but any link generation problem is once cause industrial accident all can bring larger negative effect to enterprise and society, therefore the security reliability of filling electrical changing station operation is guaranteed, also be the fail safe ensureing society, this is the primary goal that electric automobile fills electrical changing station management.
(2) reasonable construction electric automobile rechargeable battery safety inventory
Zero inventory is a kind of desirable state, but the storage of electric automobile being filled to electrical changing station battery must premised on guaranteeing that Public Electric Vehicles is normally operated, namely no matter bus is when running peak or goes back to station at ordinary times, battery storage can meet the needs changing electricity, therefore, fill with regard to electrical changing station with regard to electric automobile, the amount that constraint zero inventory exists and vehicle operating relation do not reach this perfect condition.Reasonable construction cell safety stock had both reduced and fills electrical changing station accident risk and inventory cost and control, and can meet again the requirement of vehicle operating, this is only the perfect condition of filling electrical changing station.
(3) draft electric automobile and fill electrical changing station optimal charge scheme
Namely the i.e. mold filling formula of changing of filling electrical changing station does not at present consider the factors such as charging risk, operating cost, network load, and optimal charge scheme should consider these influencing factors, when can reduce charging high-power electric current to fill electrical changing station risk, weaken the load of concentrating charging to cause to electrical network and reduce charge operation cost.
Technical scheme:
1 optimization principles
(1) to the severeest situation be considered when filling the design of electrical changing station reserve battery, namely will choose that section that in a day, rush hour is the longest and the flat peak time section adjacent with it.From Figure 1 shows that the bus operating time and running time graph of a relation, now the morning peak time in general city is longer, thus choose morning peak and morning and afternoon flat peak as battery backup requirements amount maximum time period.
(2) calculating of reserve battery meets to change the electricity time after vehicle goes back to station and wait in line to change the electricity time and is less than vehicle and returns the minimum principle of quantity in stock under the prerequisite of station permission time.
2 Basic Design models
This optimization method fills electrical changing station existing and suppose that bus scheduling system is not filled electrical changing station and controlled as prerequisite, and the key parameter mainly considered when filling electrical changing station cell safety inventory optimization comprises: public transit vehicle number N
c, battery backup number N
b, change electrician figure place N
g, concentrate battery charger figure place N
j, charging pile number N
zwith distribution power P
pdeng main points parameter.And these key parameters and vehicle hour T
y, peak period T
h, vehicle single charge cycle of operation T
a, peak departure interval t
hi, flat peak departure interval t
ci, change electricity time t
g, battery concentrates charging interval t
jc, charging pile charging interval t
zc, battery pack average charge power P
aveclosely related etc. parameter.
Because the limitation of current electric bus by self course continuation mileage affects, and electric bus fills electrical changing station all belongs to pilot state in each city, negligible amounts and scale is also less, in order to ensure the normal operation of electric bus, electric bus individual pen runs go back to station, and namely to change the pattern of electricity comparatively general, and Fig. 2 basic fills electrical changing station parameter designing model schematic.
Fill basic principle in electrical changing station parameter designing model:
(1) to the severeest situation be considered when filling electrical changing station design, namely will to choose in one day maximum duration section and the flat peak time section adjacent with it in rush hour;
(2) calculating principle changing station number will meet car changes battery requirement once entering the station;
(3) computational methods in model are single line service based on electrical changing station, and vehicle only runs and changes electricity charging once enclosing.
3. at different conditions to fill electrical changing station core parameter computing formula as follows:
(1) vehicle number computational methods
Work as T
a>T
h, namely the vehicle single charge cycle of operation is greater than the vehicle number under peak period condition and is:
Work as T
a<T
h, namely the vehicle single charge cycle of operation is less than the vehicle number under peak period condition and is:
(2) reserve battery computational methods
Work as T
jc>T
hnamely the battery backup number concentrating the charging interval to be greater than under condition in rush hour is:
Work as T
jc<T
hnamely the battery backup number concentrating the charging interval to be less than under condition in rush hour is:
(3) station number calculating method is changed
(4) charge power computational methods
Work as T
jc>T
hnamely the reserve battery concentrating the charging interval to be greater than under condition in rush hour is:
Work as T
jc<T
hnamely the reserve battery concentrating the charging interval to be less than under condition in rush hour is:
Fill electrical changing station operating mode after 3 pairs of optimizations of the present invention by reference to the accompanying drawings to be again described in further detail.
1, vehicle pull-in judges whether to need to change battery:
(1) if not needing to fill changes battery, vehicle enters parking lot, finally sets off;
(2) if desired fill and change battery, then wait for filling and change electricity.
2, judge whether vehicle dwell time is greater than the charging pile charging interval:
(1) time of staying is greater than the charging pile time, then judge whether charging pile has vacant position, if having, gives Vehicular charging; Otherwise vehicle enters Huan electricity district and changes electricity.
(2) time of staying is less than the charging pile charging interval, and vehicle enters Huan electricity district and changes electricity.
3, the vehicle entering Huan electricity district completes battery altering.
4, the battery pack of the electric automobile changed is diagnosed, be divided into the diagnosis of changing battery pack a little and the diagnosis two parts being replaced battery pack.
(1) battery pack is a little changed in inspection, if there is fault, then, after again changing battery, rechecking fault, until for subsequent use after failture evacuation.
(2) inspection is replaced battery pack, if there is fault, then sending into maintenance shop and safeguards, through repeatedly detecting, until after failture evacuation, charging for subsequent use; Otherwise concentrate charging for subsequent use to the battery pack be replaced.
Claims (6)
1. an electric bus fills electrical changing station battery storage and concentrates charging optimization method, it is characterized in that, comprise: optimization principles is formulated on the basis of formulation optimization aim, and be single line service based on electrical changing station, and vehicle only runs under enclosing the prerequisite of changing electricity charging, determine vehicle number, reserve battery number under different condition, change electrician's figure place and charge power;
This optimization principles comprises, fill electrical changing station reserve battery design time, choose morning peak and morning and afternoon flat peak time section, as the time period that battery backup requirements amount is maximum; The calculating of described reserve battery meets to change the electricity time after vehicle goes back to station and wait in line to change the electricity time and is less than vehicle and returns the minimum principle of quantity in stock under the prerequisite of station permission time.
2. electric bus fills electrical changing station battery storage and concentrates charging optimization method as described in claim 1, it is characterized in that, also comprises and builds the principle that electric bus fills electrical changing station parameter designing model, comprising:
(1) to the severeest situation be considered when filling electrical changing station design, namely will to choose in one day maximum duration section and the flat peak time section adjacent with it in rush hour;
(2) calculating principle changing station number will meet car changes battery requirement once entering the station;
(3) computational methods in model are single line service based on electrical changing station, and vehicle only runs and changes electricity charging once enclosing.
3. as described in claim 2 electric bus fills electrical changing station battery storage and concentrates charging optimization method, it is characterized in that: filling electrical changing station vehicle number, reserve battery number, change electrician's figure place and the isoparametric computational methods of charge power are as follows under different condition:
(1) vehicle number computational methods
Work as T
a>T
h, namely the vehicle single charge cycle of operation is greater than the vehicle number under peak period condition and is:
Work as T
a<T
h, namely the vehicle single charge cycle of operation is less than the vehicle number under peak period condition and is:
(2) reserve battery computational methods
Work as T
jc>T
hnamely the battery backup number concentrating the charging interval to be greater than under condition in rush hour is:
Work as T
jc<T
hnamely the battery backup number concentrating the charging interval to be less than under condition in rush hour is:
(3) station number calculating method is changed
(4) charge power computational methods
Work as T
jc>T
hnamely the reserve battery charge power P concentrating the charging interval to be greater than under condition in rush hour is:
Work as T
jc<T
hnamely the reserve battery charge power P concentrating the charging interval to be less than under condition in rush hour is:
Wherein, N
cfor public transit vehicle number, N
bfor battery backup number, N
gfor changing electrician's figure place, N
jfor concentrated battery charger figure place, T
yfor vehicle hour, T
hfor peak period, T
afor the vehicle single charge cycle of operation, t
hrfor peak departure interval, t
crfor flat peak departure interval, t
gfor changing electricity time, T
jcfor battery concentrates charging interval, P
avefor battery pack average charge power.
4. electric bus fills electrical changing station battery storage and concentrates charging optimization method as described in claim 1, it is characterized in that, also comprises:
Vehicle pull-in judges whether to need to change battery:
(1) if not needing to fill changes battery, vehicle enters parking lot, finally sets off;
(2) if desired fill and change battery, then wait for filling and change electricity.
5. electric bus fills electrical changing station battery storage and concentrates charging optimization method as described in claim 4, it is characterized in that, also comprises:
Judge whether vehicle dwell time is greater than the charging pile charging interval:
(1) time of staying is greater than the charging pile time, then judge whether charging pile has vacant position, if having, gives Vehicular charging; Otherwise vehicle enters Huan electricity district and changes electricity;
(2) time of staying is less than the charging pile charging interval, and vehicle enters Huan electricity district and changes electricity.
6. electric bus fills electrical changing station battery storage and concentrates charging optimization method as described in claim 1, it is characterized in that, also comprises:
The battery pack of the electric automobile changed is diagnosed, is divided into the diagnosis of changing battery pack a little and the diagnosis two parts being replaced battery pack;
(1) battery pack is a little changed in inspection, if there is fault, then, after again changing battery, rechecking fault, until for subsequent use after failture evacuation;
(2) inspection is replaced battery pack, if there is fault, then sending into maintenance shop and safeguards, through repeatedly detecting, until after failture evacuation, charging for subsequent use; Otherwise concentrate charging for subsequent use to the battery pack be replaced.
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Family
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Cited By (16)
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| CN106408216A (en) * | 2016-11-03 | 2017-02-15 | 天津大学 | Charging plan making method based on electric vehicle battery swap station time sequence response model |
| CN106427654A (en) * | 2016-11-30 | 2017-02-22 | 郑州天迈科技股份有限公司 | Public transportation new energy pure trolley bus charging power dynamic allocation method |
| CN107031440A (en) * | 2017-03-28 | 2017-08-11 | 江苏理工学院 | A kind of replacing options of electric bus battery |
| CN107054129A (en) * | 2017-03-28 | 2017-08-18 | 江苏理工学院 | A kind of electric bus battery detecting and replacement method |
| CN107351705A (en) * | 2017-07-06 | 2017-11-17 | 上海蔚来汽车有限公司 | Changing the electric stand-by period determines system and method, electrical changing station, changes electric system and recording medium |
| CN107719142A (en) * | 2016-08-13 | 2018-02-23 | 重庆无线绿洲通信技术有限公司 | A kind of method and device of battery altering fixed station to the automatic replacing battery of electric car |
| CN108045241A (en) * | 2017-11-27 | 2018-05-18 | 东南大学 | A kind of vehicle charging station and its method of work |
| CN108407633A (en) * | 2018-01-30 | 2018-08-17 | 西南交通大学 | A kind of electric bus electric charging station optimizing operation method |
| CN108501900A (en) * | 2018-04-10 | 2018-09-07 | 常州大学 | New energy car battery change station based on recognition of face |
| CN109800899A (en) * | 2017-11-17 | 2019-05-24 | 奥动新能源汽车科技有限公司 | Electric charging station information output method and system and electric charging station recommended method and system |
| CN111376784A (en) * | 2018-12-29 | 2020-07-07 | 奥动新能源汽车科技有限公司 | Control method and system for power swapping station |
| CN111740411A (en) * | 2020-06-22 | 2020-10-02 | 东北电力大学 | BSS-containing microgrid combined system optimization scheduling method considering backlog penalty mechanism |
| CN111993947A (en) * | 2020-07-09 | 2020-11-27 | 浙江吉智新能源汽车科技有限公司 | Secondary battery replacement method, device and system, storage medium and computer equipment |
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| CN113673069A (en) * | 2020-05-14 | 2021-11-19 | 南京行者易智能交通科技有限公司 | Design method and device of new energy bus charging model and mobile terminal equipment |
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| CN107719142A (en) * | 2016-08-13 | 2018-02-23 | 重庆无线绿洲通信技术有限公司 | A kind of method and device of battery altering fixed station to the automatic replacing battery of electric car |
| CN106408216A (en) * | 2016-11-03 | 2017-02-15 | 天津大学 | Charging plan making method based on electric vehicle battery swap station time sequence response model |
| CN106408216B (en) * | 2016-11-03 | 2019-12-31 | 天津大学 | Charging plan making method based on electric automobile battery replacement station time sequence response model |
| CN106427654A (en) * | 2016-11-30 | 2017-02-22 | 郑州天迈科技股份有限公司 | Public transportation new energy pure trolley bus charging power dynamic allocation method |
| CN106427654B (en) * | 2016-11-30 | 2018-11-23 | 郑州天迈科技股份有限公司 | The pure charging electric car power dynamic allocation method of public transport new energy |
| CN107031440B (en) * | 2017-03-28 | 2019-07-23 | 江苏理工学院 | A kind of replacing options of electric bus battery |
| CN107031440A (en) * | 2017-03-28 | 2017-08-11 | 江苏理工学院 | A kind of replacing options of electric bus battery |
| CN107054129A (en) * | 2017-03-28 | 2017-08-18 | 江苏理工学院 | A kind of electric bus battery detecting and replacement method |
| CN107054129B (en) * | 2017-03-28 | 2019-07-23 | 江苏理工学院 | A kind of electric bus battery detecting and replacement method |
| CN107351705A (en) * | 2017-07-06 | 2017-11-17 | 上海蔚来汽车有限公司 | Changing the electric stand-by period determines system and method, electrical changing station, changes electric system and recording medium |
| CN109800899B (en) * | 2017-11-17 | 2024-02-20 | 奥动新能源汽车科技有限公司 | Charging and replacing station information output method and system and charging and replacing station recommendation method and system |
| CN109800899A (en) * | 2017-11-17 | 2019-05-24 | 奥动新能源汽车科技有限公司 | Electric charging station information output method and system and electric charging station recommended method and system |
| CN108045241A (en) * | 2017-11-27 | 2018-05-18 | 东南大学 | A kind of vehicle charging station and its method of work |
| CN108407633A (en) * | 2018-01-30 | 2018-08-17 | 西南交通大学 | A kind of electric bus electric charging station optimizing operation method |
| CN108501900A (en) * | 2018-04-10 | 2018-09-07 | 常州大学 | New energy car battery change station based on recognition of face |
| CN111376784A (en) * | 2018-12-29 | 2020-07-07 | 奥动新能源汽车科技有限公司 | Control method and system for power swapping station |
| CN111376784B (en) * | 2018-12-29 | 2022-03-22 | 奥动新能源汽车科技有限公司 | Control method and system for power swapping station |
| CN113673069A (en) * | 2020-05-14 | 2021-11-19 | 南京行者易智能交通科技有限公司 | Design method and device of new energy bus charging model and mobile terminal equipment |
| CN113673069B (en) * | 2020-05-14 | 2023-11-03 | 南京行者易智能交通科技有限公司 | New energy bus charging model design method and device and mobile terminal equipment |
| CN111740411A (en) * | 2020-06-22 | 2020-10-02 | 东北电力大学 | BSS-containing microgrid combined system optimization scheduling method considering backlog penalty mechanism |
| CN111740411B (en) * | 2020-06-22 | 2021-08-17 | 东北电力大学 | BSS-containing microgrid combined system optimization scheduling method considering backlog penalty mechanism |
| CN111993947A (en) * | 2020-07-09 | 2020-11-27 | 浙江吉智新能源汽车科技有限公司 | Secondary battery replacement method, device and system, storage medium and computer equipment |
| CN112659967A (en) * | 2021-03-16 | 2021-04-16 | 南京酷朗电子有限公司 | Parking lot charging system and method based on battery replacement type electric vehicle |
| CN112659968A (en) * | 2021-03-16 | 2021-04-16 | 南京酷朗电子有限公司 | Reservation charging method for battery-replaceable electric vehicle in parking lot |
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Application publication date: 20151021 |