CN102055215A - Control method and operation monitoring system of charging and exchanging station of electric vehicle - Google Patents
Control method and operation monitoring system of charging and exchanging station of electric vehicle Download PDFInfo
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- CN102055215A CN102055215A CN2010105083549A CN201010508354A CN102055215A CN 102055215 A CN102055215 A CN 102055215A CN 2010105083549 A CN2010105083549 A CN 2010105083549A CN 201010508354 A CN201010508354 A CN 201010508354A CN 102055215 A CN102055215 A CN 102055215A
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Abstract
The invention discloses a control method of a charging and exchanging station of an electric vehicle and an operation monitoring system of the charging and exchanging station. The method comprises the following steps of: receiving power control information for a system from a distribution automation system; confirming the maximum usable charging capability of the charging and exchanging station according to the power control information for the system; and controlling the charging equipment of the charging and exchanging station according to the maximum usable charging capability of the charging and exchanging station. The charging and exchanging station of the electric vehicle is combined with the distribution automation system, the maximum usable charging capability of the charging and exchanging station is confirmed according to the power control information for the system and the power load of the charging and exchanging station is adjusted in real time. By intelligently controlling the charging process of the electric vehicle, the charging time is reasonably scheduled and the regional load curve is smoothed to improve the utilization rate of distribution resources and fully exert the active action of the charging and exchanging station of the electric vehicle on power grid peak regulation and also improve the operation efficiency and the economy of the charging and exchanging station.
Description
Technical field
The present invention relates to the charging electric vehicle technology, relate in particular to a kind of electric automobile and fill the electrical changing station control method and fill the electrical changing station operation monitoring system.
Background technology
Along with the penetration and promotion of electric automobile, to the also increase day by day of demand of charging electric vehicle infrastructure.Electric automobile fills coming into operation in a large number the increase network load of electrical changing station, and the charging of electric automobile load has property and arbitrariness at any time, as not adding control, certainly will bring adverse effect for the peak load shifting of electrical network.
The traditional electric automobile charging modes all is promptly to meet (going into electrical network) promptly to fill mode, and electric automobile charges after inserting electrical network at once, without any charging control, just as a conventional power consumption equipment.Obviously, this kind mode can further increase the burden of electrical network when the load peak, increases the difficulty of peak load regulation network, can not bring into play electric automobile fully and fill the positive role of electrical changing station aspect peak load shifting, and economy is relatively poor for the operation of filling electrical changing station.
Summary of the invention
The technical problem that the present invention will solve provides a kind of electric automobile and fills the electrical changing station control method, can more effectively control filling electrical changing station.
According to an aspect of the present invention, provide a kind of electric automobile to fill the electrical changing station control method, comprising:
Reception is from system's electricity consumption control information of distribution automation system;
The electricity consumption control information determines to fill the maximum available charging capacity of electrical changing station according to system;
According to the maximum available charging capacity of filling electrical changing station the charging device that fills electrical changing station is controlled.
Electric automobile according to the present invention fills an embodiment of electrical changing station control method, and system's electricity consumption control information comprises target load information and power load information; The electricity consumption control information determines that the maximum available charging capacity of filling electrical changing station comprises according to system: the maximum available charging capacity of determining to fill electrical changing station according to target load information and power load information.
Electric automobile according to the present invention fills an embodiment of electrical changing station control method, and system's electricity consumption control information comprises the available charging capacity information of filling electrical changing station; The electricity consumption control information determines that the maximum available charging capacity of filling electrical changing station comprises according to system: according to the maximum available charging capacity that electrical changing station can determine to fill electrical changing station with charging capacity information of filling of distribution automation system restriction.
Electric automobile according to the present invention fills an embodiment of electrical changing station control method, according to the maximum available charging capacity of filling electrical changing station the charging device that fills electrical changing station is controlled and to be comprised: under the maximum available charging capacity restriction of filling electrical changing station, according to the charge power characteristic of batteries of electric automobile, the power output that the charging urgency level is regulated each charging device that fills electrical changing station.
Electric automobile according to the present invention fills an embodiment of electrical changing station control method, according to the maximum available charging capacity of filling electrical changing station the charging device that fills electrical changing station is controlled to comprise:
Obtain the full station power that fills electrical changing station;
Obtain the weight of filling power consumption equipment in the electrical changing station;
When the full station power that fills electrical changing station surpasses rated power, preferentially limit the big power consumption equipment of weighted value.
Electric automobile according to the present invention fills an embodiment of electrical changing station control method, and this method also comprises: fill the weight that the electricity consumption feedback adjusting of power consumption equipment in the electrical changing station is filled power consumption equipment in the electrical changing station according to the current period.
The electric automobile that the embodiment of the invention provides fills the electrical changing station control method, electric automobile fills electrical changing station and combines with distribution automation system, the electricity consumption control information determines to fill the maximum available charging capacity of electrical changing station according to system, real-time regulated is filled the power load of electrical changing station, can more effectively control filling electrical changing station.
The technical problem that the present invention will solve provides a kind of electric automobile and fills the electrical changing station operation monitoring system, can more effectively control filling electrical changing station.
According to an aspect of the present invention, provide a kind of electric automobile to fill the electrical changing station operation monitoring system, comprising:
The control information receiving element is used to receive the system's electricity consumption control information from distribution automation system;
The heap(ed) capacity determining unit is used for the maximum available charging capacity that the electricity consumption control information determines to fill electrical changing station according to system;
The charging device control unit is used for according to the maximum available charging capacity of filling electrical changing station the charging device that fills electrical changing station being controlled.
Electric automobile according to the present invention fills an embodiment of electrical changing station operation monitoring system, and system's electricity consumption control information comprises target load information and power load information; Perhaps, system's electricity consumption control information comprises the available charging capacity information of filling electrical changing station.
Electric automobile according to the present invention fills an embodiment of electrical changing station operation monitoring system, under the restriction of charging control unit maximum available charging capacity in the station, according to the charge power characteristic of electric automobile power battery, the power output that the charging urgency level is regulated each charging device that fills electrical changing station.
Electric automobile according to the present invention fills an embodiment of electrical changing station operation monitoring system, and the charging device control unit comprises:
Full station power acquisition module is used to obtain the full station power that fills electrical changing station;
The weight acquisition module is used for obtaining the weight of filling the electrical changing station power consumption equipment;
Power control module is used to judge whether the full station power that fills electrical changing station surpasses rated power when surpassing, and preferentially limits the big power consumption equipment of weighted value.
Electric automobile according to the present invention fills an embodiment of electrical changing station operation monitoring system, also comprises:
The weight adjusting module is used for filling the weight that the electricity consumption feedback adjusting of electrical changing station power consumption equipment is filled power consumption equipment in the electrical changing station according to the current period.
The electric automobile that the embodiment of the invention provides fills the electrical changing station operation monitoring system, the control information receiving element is from distribution automation system receiving system electricity consumption control information, the heap(ed) capacity determining unit maximum available charging capacity that the electricity consumption control information determines to fill electrical changing station according to system, the charging control unit real-time regulated is filled the power load of electrical changing station, can more effectively control filling electrical changing station.
Description of drawings
Fig. 1 illustrates the flow chart that electric automobile of the present invention fills an embodiment of electrical changing station control method;
Fig. 2 illustrates the flow chart that electric automobile of the present invention fills another embodiment of electrical changing station control method;
Fig. 3 illustrates the flow chart that electric automobile of the present invention fills another embodiment of electrical changing station control method;
Fig. 4 illustrates the flow chart that electric automobile of the present invention fills the electrical changing station control method;
Fig. 5 illustrates the block diagram that electric automobile of the present invention fills an embodiment of electrical changing station operation monitoring system;
Fig. 6 illustrates the block diagram that electric automobile of the present invention fills another embodiment of electrical changing station operation monitoring system.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.In the accompanying drawings, identical label is represented identical or similar assembly or element.
Fig. 1 illustrates the flow chart that electric automobile of the present invention fills an embodiment of electrical changing station control method.
As shown in Figure 1, in step 102, receive system's electricity consumption control information from distribution automation system.For example, system's electricity consumption control information comprises the power information that electrical network is current, perhaps comprises target load curve and regional power load information, comprises that perhaps this has filled the available charging capacity of electrical changing station
In step 104, the electricity consumption control information determines to fill the maximum available charging capacity of electrical changing station according to system.
In step 106, the charging device that fills electrical changing station is controlled according to the maximum available charging capacity of filling electrical changing station.For example; in the station under the restriction of maximum available charging capacity; according to the start and stop of control chargers such as the charge power characteristic of electric automobile power battery, charging type (for example fill soon/trickle charge etc.), charging urgency level or the power output of regulating each charging device; thereby guarantee that the total load that fills electrical changing station satisfies the needs of distribution peak regulation, and realized filling the economical and efficient operation of electrical changing station.
In the above-described embodiments, electric automobile fills electrical changing station and combines with distribution automation system, and the electricity consumption control information determines to fill the maximum available charging capacity of electrical changing station according to system, and real-time regulated is filled the power load of electrical changing station.By Based Intelligent Control to the charging electric vehicle process, rationally arrange the charging interval, the smooth region load curve, improved the utilance of distribution resource on the one hand, give full play to electric automobile and fill the positive role of electrical changing station aspect peak load regulation network, also improved the operational efficiency and the economy of filling electrical changing station on the other hand.
Fig. 2 illustrates the flow chart that electric automobile of the present invention fills another embodiment of electrical changing station control method.
As shown in Figure 2, in step 202, receive target load information and power load information from distribution automation system.Target load information (target load curve) and regional power load are data intrinsic in the distribution automation system.Distribution automation system possesses and outside communication interface, support common communication of power system agreement such as IEC103,104, CDT etc., fill the electrical changing station operation monitoring system and connect distribution automation system by telecommunication network, communicate according to communication protocol and distribution automation system, can get access to data such as target load curve and regional power load.
In step 204, the maximum available charging capacity of determining to fill electrical changing station according to target load information and power load information.For example, the maximum available charging capacity C that fills electrical changing station is:
C=min (target load-power load is filled the electrical changing station capacity of distribution transform) (1)
In step 206, the charging device that fills electrical changing station is controlled according to the maximum available charging capacity of filling electrical changing station.For example, fill the electrical changing station operation monitoring system and realize the start and stop of charger and the adjustment of charge parameter by issue control command to charger according to the available charging capacity of maximum.Charger according to certain communication protocol with fill electrical changing station operation monitoring system real time communication, send the operational factor of charger to operation monitoring system, can also receive the control command that operation monitoring system issues, realize control to the charger charge parameter.
In the above-described embodiments, electric automobile fills electrical changing station and combines with distribution automation system, and according to power load situation in the zone, real-time regulated is filled the power load of electrical changing station, the charging device that fills electrical changing station is controlled, thereby reached the purpose of smooth region load curve.
Fill the interior charging load in control command restriction station that electrical changing station also can directly issue according to distribution automation system.Fig. 3 illustrates the flow chart that electric automobile of the present invention fills another embodiment of electrical changing station control method.
As shown in Figure 3, in step 302, receive the control command that distribution automation system issues, this control command comprises the available charging capacity of filling electrical changing station.
In step 304, determine to fill the maximum available charging capacity of electrical changing station according to the available charging capacity in the control command.For example, the maximum available charging capacity C that fills electrical changing station is:
C=min (available charging capacity is filled the electrical changing station capacity of distribution transform) (2)
In step 306, the charging of filling electrical changing station is controlled according to the maximum available charging capacity of filling electrical changing station.
In the foregoing description, fill the interior charging load in control command restriction station that electrical changing station directly issues according to distribution automation system, thus restriction charging load, the peak valley adjusting operation of responsive electricity grid.
Fig. 4 illustrates electric automobile of the present invention and fills the charge flow chart of an example of control of electrical changing station control method.
As shown in Figure 4, step 402 is obtained the full station power that fills electrical changing station.For example, the power of standing entirely can calculate with following formula:
In the formula (3), p
iFor filling the performance number of i power consumption equipment in the electrical changing station; τ
iFor equipment uses switching coefficient, when the idleness of equipment, τ
i=0; When equipment just in use, τ
i=1.Power consumption equipment for example comprises power consumption equipment, AC charging equipment, DC charging equipment and battery altering equipment etc. in the station.
Step 404 is obtained the weight of filling power consumption equipment in the electrical changing station.For example, calculate weight device value f according to following formula (4)
t(n):
n＝1，2，...，N；i＝1，2，...，N；t＝1，2，...，4 (4)
In the formula (4), p
iFor filling the performance number of i power consumption equipment in the electrical changing station; τ
iFor equipment uses switching coefficient, when the idleness of equipment, τ
i=0, when equipment just in use, τ
i=1; α
iBe the weight coefficient of i power consumption equipment, characterize the power weight of power consumption equipment; T defined for the charging period, according to current electrical network electricity price interval of definition, and preliminary definition point, peak, flat, four periods of paddy; β
TiUrgent coefficient for i power consumption equipment of period t, characterize the urgency level of i power consumption equipment, the difference of charging type of selecting according to the user (fill soon/trickle charge, fill, fill, fill by electric weight by the amount of money etc. by the time) and charging device type (alternating current equipment, DC equipment, battery altering equipment etc.), its value has difference.f
t(n) characterized at the stand full resource ratio of apparatus for checking of n hold facility of period t.f
t(n) value is big more, and the resource that takies full station is big more.
Step 406 when the full station power that fills electrical changing station surpasses rated power, preferentially limits the big power consumption equipment of weighted value.For example, when the full station of period t in real time load approach or greater than the station in rated power and need take restriction the time, preferentially limit f
t(n) electricity consumption of the equipment n of value maximum.
In the above-described embodiments, when the full station power that fills electrical changing station surpasses rated power, preferentially limit the big power consumption equipment of weighted value, thereby more reasonably control and dispatch the charging device that fills electrical changing station.
According to one embodiment of present invention, fill the weight that the electricity consumption feedback adjusting of power consumption equipment in the electrical changing station is filled power consumption equipment in the electrical changing station according to the current period.For example, according to the electricity consumption feedback of current each power consumption equipment of period t, the urgent factor beta of corresponding adjustment power consumption equipment
TiThereby, the weight of adjustment power consumption equipment.By its weight of electricity consumption feedback adjusting, thereby control power consumption equipment exactly according to power consumption equipment.
Fig. 5 illustrates the block diagram that electric automobile of the present invention fills an embodiment of electrical changing station operation monitoring system.As shown in Figure 5, the electric automobile of this embodiment fills the electrical changing station operation monitoring system and comprises control information receiving element 51, heap(ed) capacity determining unit 52 and charging device control unit 53.System's electricity consumption control information that control information receiving element 51 receives from distribution automation system; The heap(ed) capacity determining unit 52 maximum available charging capacity that the electricity consumption control information determines to fill electrical changing station according to system; Charging device control unit 53 is controlled the charging device that fills electrical changing station according to the maximum available charging capacity of filling electrical changing station.For example, system's electricity consumption control information comprises target load information and power load information, and heap(ed) capacity determining unit 52 determines to fill the maximum available charging capacity of electrical changing station by formula (1); Perhaps, system's electricity consumption control information comprises the available charging capacity information of filling electrical changing station, and heap(ed) capacity determining unit 52 determines to fill the maximum available charging capacity of electrical changing station by formula (2).
In the above-described embodiments, electric automobile fills electrical changing station and combines with distribution automation system, the maximum available charging capacity that system's electricity consumption control information that the heap(ed) capacity determining unit receives from distribution automation according to the control information receiving element determines to fill electrical changing station, the power load of filling electrical changing station by charging device control unit real-time regulated.By Based Intelligent Control to the charging electric vehicle process, rationally arrange the charging interval, the smooth region load curve, improved the utilance of distribution resource on the one hand, give full play to electric automobile and fill the positive role of electrical changing station aspect peak load regulation network, also improved the operational efficiency and the economy of filling electrical changing station on the other hand.
According to an embodiment who fills the electrical changing station operation monitoring system of the present invention; under the restriction of charging device control unit maximum available charging capacity in the station; according to the start and stop of control chargers such as the charge power characteristic of electric automobile power battery, charging type (for example fill soon/trickle charge etc.), charging urgency level or the power output of regulating each charging device; thereby guarantee that the total load that fills electrical changing station satisfies the needs of distribution peak regulation, and realized filling the economical and efficient operation of electrical changing station.
Fig. 6 illustrates the block diagram that electric automobile of the present invention fills another embodiment of electrical changing station operation monitoring system.Compare with Fig. 5, charging device control unit 63 comprises full station power acquisition module 631, weight acquisition module 632, power control module 633.Wherein, the power acquisition module 631 of standing entirely obtains the full station power that fills electrical changing station; Weight acquisition module 632 obtains the weight of filling power consumption equipment in the electrical changing station; Power control module 633 judges that whether the full station power that fills electrical changing station surpasses rated power, when surpassing, preferentially limits the big power consumption equipment of weighted value.
For example, stand the power acquisition module entirely by the full station of formula (3) calculating power; The weight acquisition module calculates weight device value f according to formula (4)
t(n); When the full station of period t in real time load approach or greater than the station in rated power and need take restriction the time, power control module preferentially limits f
t(n) electricity consumption of the equipment n of value maximum.
Electric automobile according to the present invention fills an embodiment of electrical changing station operation monitoring system, electric automobile fills the electrical changing station operation monitoring system and also comprises weight adjusting module 634, is used for filling the weight that the electricity consumption feedback adjusting of electrical changing station power consumption equipment is filled power consumption equipment in the electrical changing station according to the current period.
The embodiment of the inventive method and system, overcome electric automobile and promptly connect the shortcoming of promptly filling mode, give full play to electric automobile and filled the positive role of electrical changing station aspect the power distribution network peak load shifting, improve operational efficiency and economy that electric automobile fills electrical changing station, had good social benefit and economic benefit.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (11)
1. an electric automobile fills the electrical changing station control method, it is characterized in that, comprising:
Reception is from system's electricity consumption control information of distribution automation system;
Described maximum available charging capacity of filling electrical changing station is determined in the electricity consumption control information according to described system;
According to described maximum available charging capacity of filling electrical changing station the described charging device that fills electrical changing station is controlled.
2. electric automobile according to claim 1 fills the electrical changing station control method, it is characterized in that, the electricity consumption control information of described system comprises target load information and power load information;
Described according to described system the electricity consumption control information determine that described maximum available charging capacity of filling electrical changing station comprises:
Determine described maximum available charging capacity of filling electrical changing station according to described target load information and power load information.
3. electric automobile according to claim 1 fills the electrical changing station control method, it is characterized in that, the electricity consumption control information of described system comprises described available charging capacity information of filling electrical changing station;
Described according to described system the electricity consumption control information determine that described maximum available charging capacity of filling electrical changing station comprises:
Determine described maximum available charging capacity of filling electrical changing station according to described available charging capacity information of filling electrical changing station.
4. electric automobile according to claim 1 fills the electrical changing station control method, it is characterized in that, the described described charging device that fills electrical changing station control according to described maximum available charging capacity of filling electrical changing station comprises:
Under described maximum available charging capacity of filling electrical changing station limits, regulate described power output of filling each charging device of electrical changing station according to charge power characteristic, the charging urgency level of batteries of electric automobile.
5. electric automobile according to claim 1 fills the electrical changing station control method, it is characterized in that, the described described charging device that fills electrical changing station control according to described maximum available charging capacity of filling electrical changing station comprises:
Obtain the described full station power that fills electrical changing station;
Obtain described weight of filling power consumption equipment in the electrical changing station;
When the full station power that fills electrical changing station surpasses rated power, preferentially limit the big power consumption equipment of weighted value.
6. electric automobile according to claim 5 fills the electrical changing station control method, it is characterized in that, also comprises:
According to the described described weight of filling power consumption equipment in the electrical changing station of electricity consumption feedback adjusting of filling power consumption equipment in the electrical changing station of current period.
7. an electric automobile fills the electrical changing station operation monitoring system, it is characterized in that, comprising:
The control information receiving element is used to receive the system's electricity consumption control information from distribution automation system;
The heap(ed) capacity determining unit is used for according to described system the electricity consumption control information and determines described maximum available charging capacity of filling electrical changing station;
The charging device control unit is used for according to described maximum available charging capacity of filling electrical changing station the described charging device that fills electrical changing station being controlled.
8. electric automobile according to claim 7 fills the electrical changing station operation monitoring system, it is characterized in that, the electricity consumption control information of described system comprises target load information and power load information; Perhaps, the electricity consumption control information of described system comprises described available charging capacity information of filling electrical changing station.
9. electric automobile according to claim 7 fills the electrical changing station operation monitoring system, it is characterized in that, under the restriction of described charging control unit maximum available charging capacity in the station, regulate described power output of filling each charging device of electrical changing station according to charge power characteristic, the charging urgency level of electric automobile power battery.
10. electric automobile according to claim 7 fills the electrical changing station operation monitoring system, it is characterized in that, described charging device control unit comprises:
Full station power acquisition module is used to obtain the described full station power that fills electrical changing station;
The weight acquisition module is used for obtaining described weight of filling the electrical changing station power consumption equipment;
Power control module is used to judge whether the full station power that fills electrical changing station surpasses rated power, when surpassing, preferentially limits the big power consumption equipment of weighted value.
11. electric automobile according to claim 10 fills the electrical changing station control method, it is characterized in that, also comprises:
The weight adjusting module is used for according to the described described weight of filling power consumption equipment in the electrical changing station of electricity consumption feedback adjusting of filling the electrical changing station power consumption equipment of current period.
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| CN102810858A (en) * | 2011-05-20 | 2012-12-05 | 通用电气公司 | Electric vehicle profiles for power grid operation |
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| CN106961134B (en) * | 2016-09-18 | 2019-10-22 | 蔚来汽车有限公司 | Charging and conversion electric facility safety utilization of electric power control method and system |
| CN109117975A (en) * | 2017-06-26 | 2019-01-01 | 广州灿明都科技有限责任公司 | A kind of charging management system and method for electric automobile charging pile |
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| CN108075536B (en) * | 2017-11-10 | 2021-10-19 | 深圳供电局有限公司 | Flexible charging regulation and control method for charging pile and charging pile system |
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