CN104269901A - Direct-current fast charging station managing system and method for electric automobile from power grid - Google Patents

Direct-current fast charging station managing system and method for electric automobile from power grid Download PDF

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Publication number
CN104269901A
CN104269901A CN201410506145.9A CN201410506145A CN104269901A CN 104269901 A CN104269901 A CN 104269901A CN 201410506145 A CN201410506145 A CN 201410506145A CN 104269901 A CN104269901 A CN 104269901A
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CN
China
Prior art keywords
direct current
power
quick charge
current quick
charge station
Prior art date
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Pending
Application number
CN201410506145.9A
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Chinese (zh)
Inventor
李洪峰
连湛伟
李贞�
徐鹏
陈志刚
杨茜
方韬
唐宇
孙玲玲
郝战铎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XJ Electric Co Ltd
Xuchang XJ Software Technology Co Ltd
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XJ Electric Co Ltd
Xuchang XJ Software Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by XJ Electric Co Ltd, Xuchang XJ Software Technology Co Ltd filed Critical XJ Electric Co Ltd
Priority to CN201410506145.9A priority Critical patent/CN104269901A/en
Publication of CN104269901A publication Critical patent/CN104269901A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H02J7/0018—Circuits for equalisation of charge between batteries using separate charge circuits
    • H02J7/0021—
    • H02J7/0026—
    • H02J7/0027—
    • 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
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source

Abstract

The invention discloses a direct-current fast charging station managing system and method for an electric automobile from power grid. A power distribution network sends a power utilization plan to a direct-current fast charging station monitoring system, a power distribution network energy management system sends a real-time power limiting instruction to the direct-current fast charging station monitoring system, the direct-current fast charging station monitoring system sends a power limiting instruction to the electric automobile in a station according to the information issued by a power distribution network, a vehicle-mounted controller conducts responding on the power limiting according to the requirements of a user and automobile states, real-time coordination control is conducted on the electric automobile which is connected in, and the charging power of the electric automobile is controlled in real time. Coordination control among the power distribution network, the direct-current fast charging station and the user of the electric automobile is achieved.

Description

A kind of electrical network is to electric automobile direct current quick charge station management system and method
Technical field
The invention belongs to electric automobile direct current quick charge station administrative skill field, relate to a kind of electrical network to electric automobile direct current quick charge station management system and method.
Background technology
The management assignment electrical network of direct current quick charge station is by taking certain excitation and measure; improve the use electrical characteristics of power consumer, improve terminal power consumption efficiency, while meeting consumers' demand; improve the operational efficiency of power distribution network, reach economize on resources, protection of the environment and the object of increasing economic efficiency.Electric automobile direct current quick charge station provides electric energy supply to serve for electric automobile, and category electric automobile direct current quick charge station being included in power distribution network dsm is the important form making electric automobile realize " charging in order ".Electric automobile direct current quick charge station is managed the charging load in station by local supervisory control system, at present, electric automobile " charging in order " mainly concentrates on the local management of direct current quick charge station, lacks the method for from power distribution network angle, electric automobile direct current quick charge station being carried out to effectively management.
Summary of the invention
The object of this invention is to provide a kind of electrical network to electric automobile direct current quick charge station management system, to coordinate the relation between electric automobile user, direct current quick charge station operator, power distribution network manager, provide a kind of management method using this management system simultaneously.
In order to realize above object, the technical solution adopted in the present invention is: a kind of electrical network, to electric automobile direct current quick charge station management system, comprising:
Power distribution network dispatching patcher, formulates the electricity consumption plan of this charging station, and this electricity consumption plan is sent to direct current quick charge station supervisory control system according to next the daily load prediction result obtained from direct current quick charge station;
Power distribution network EMS, receives the real-time power information of this charging station that direct current quick charge station supervisory control system sends, and calculates realtime power restriction and this realtime power restriction instruction is sent to direct current quick charge station supervisory control system;
Direct current quick charge station supervisory control system, calculates the distribution power of each vehicle, and distribution power information is sent to the charger controller of the corresponding electrically-charging equipment of each vehicle according to electricity consumption plan information and realtime power restriction command information;
Charger controller, modulates the power output that electrically-charging equipment provides, and makes a copy for Vehicle Controller by distribution power information corresponding for electrically-charging equipment, sends the state information of electrically-charging equipment and vehicle to direct current quick charge station supervisory control system simultaneously;
Vehicle Controller, the charge power of employing is carried out decision-making to vehicle reality by the distribution power information according to correspondence, and the state of Vehicular charger, battery and the relevant information of user are sent to charger controller.
Described direct current quick charge station supervisory control system comprises:
Data acquisition module, the real time status information of acquisition and recording electrically-charging equipment and vehicle sends to orderly charging module, and the historical data of this charging station charging vehicle is sent to load prediction module;
Load prediction module, predicts the charging load of next day of charging station, and will predict the outcome and send to power distribution network dispatching patcher;
Orderly charging module, sends to power distribution network EMS by the real-time power information of direct current quick charge station, and the distribution power information of each vehicle is sent to charger controller.
Described charger controller is the measurement of electrically-charging equipment inside, communication, control and protection system, provides the communication interface between vehicle and direct current quick charge station supervisory control system.
Present invention also offers a kind of electrical network to electric automobile direct current quick charge station management method, the method comprises the steps:
(1) direct current quick charge station supervisory control system reads the electricity consumption plan P of the present period direct current quick charge station that power distribution network EMS issues oPt realtime power restriction P that () and power distribution network dispatching patcher issue d(t);
(2) state information of the information that issues according to power distribution network of direct current quick charge station supervisory control system and current each access vehicle and place electrically-charging equipment, the distribution power P of each electric automobile in computer installation ci(t), and this charging distribution power instruction is handed down to corresponding vehicle;
(3) Vehicle Controller of each vehicle responds this distribution power instruction according to the demand of user and vehicle-state, controls the charge power of electric automobile in real time.
Power distribution network dispatching patcher issues electricity consumption plan P to direct current quick charge station oPt the step of () comprising:
(1) next daily load prediction result at this station is obtained before setting time of reception point every day from direct current quick charge station;
(2) formulate electricity consumption plan in next day of direct current quick charge station according to next daily load prediction result of power distribution network generation schedule, load prediction and direct current quick charge station, the forward direction direct current quick charge station of the setting transmitting time point of every day issues this electricity consumption plan.
Power distribution network EMS issues realtime power restriction P to direct current quick charge station dt the step of () comprising:
(1) power P of collection t direct current quick charge station place distribution line or common transformer is measured lt (), reads the t direct current quick charge station actual power P that direct current quick charge station reports c(t);
(2) t+1 moment charging station power limit P is calculated d(t+1): P d(t+1)=P max(t+1)-P l(t)+P c(t), wherein P max(t+1) be the maximum allowable power in the t+1 moment of distribution line or common transformer;
(3) issue the t+1 moment to direct current quick charge station and allow power limit P d(t+1).
In standing, the computational process formula of each electric automobile distribution power is as follows:
P ci ( t ) = P ci ^ ( t ) { min ( P OP ( t ) , P D ( t ) ) - Σ i = 1 N [ ( 1 - λ i ( t - 1 ) ) P fi ( t - 1 ) ] } Σ i = 1 N P ^ ci λ i ( t - 1 )
P ^ ci ( t ) = min ( E i ( t ) T i ( t ) , P Ei ( t ) )
Wherein, N is the online vehicle fleet size of current direct current quick charge station;
E it electricity that () supplements for vehicle needs;
P eit () is electrically-charging equipment permission power;
T it () is the residue down time of access vehicle;
P fit () is Vehicular charging receipt power, represent the charge power that this period vehicle will adopt;
λ it () is receipt attribute, λ it ()=0 represents the orderly charging not participating in subsequent period direct current quick charge station, λ it ()=1 represents participates in.
Described direct current quick charge station supervisory control system comprises:
Data acquisition module, the real time status information of acquisition and recording electrically-charging equipment and vehicle sends to orderly charging module, and the historical data of this charging station charging vehicle is sent to load prediction module;
Load prediction module, predicts the charging load of next day of charging station, and will predict the outcome and send to power distribution network dispatching patcher;
Orderly charging module, sends to power distribution network EMS by the real-time power information of direct current quick charge station, and the distribution power information of each vehicle is sent to charger controller.
Described load prediction module is as follows according to the charging load prediction process of the historical data of direct current quick charge station charging vehicle to next day of direct current quick charge station:
(1) day part Vehicular charging power on the one and the desired value in charging interval is determined according to the historical data statistics of direct current quick charge station;
(2) the vehicle historical data Modling model carrying out charging according to arrival direct current quick charge station predicts that the vehicle of next day day part reaches quantity;
(3) desired value of the charge power of day part direct current quick charge station is calculated, and in this, as predicting the outcome.
As the realtime power restriction P that power distribution network EMS issues dt () is not more than " electricity consumption plan " P that power distribution network dispatching patcher is assigned oPt, time (), orderly charging module selects P dt () is for charging station is at the maximum permission charging load P of t s(t), otherwise, with P oPt () is as maximum permission charging load P s(t), i.e. P s(t)=min (P oP(t), P dt ()) compare P sthe rated power summation P of (t) and current in running order electrically-charging equipment nt (), works as P s(t) > P ntime (t), the distribution power P of each electric automobile in the various information computer installations that orderly charging module comprehensively reads ci(t).
Electrical network of the present invention comprises power distribution network dispatching patcher to electric automobile direct current quick charge station management system and method, power distribution network EMS, direct current quick charge station supervisory control system, DC charging machine controller, Vehicle Controller, direct current quick charge station accepts the management of power distribution network EMS and power distribution network dispatching patcher simultaneously, wherein power distribution network EMS manages direct current quick charge station load with realtime power restriction, power distribution network dispatching patcher manages direct current quick charge station with day electricity consumption plan, the realtime power instruction of power distribution network has precedence over operation plan.The demand electric automobile to access of direct current quick charge station supervisory control system according to each user under power distribution network management carries out real time coordination control, and each user makes response by the management of Vehicle Controller to direct current quick charge station.Present invention achieves the cooperation control between power distribution network, direct current quick charge station, electric automobile user.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of power distribution network of the present invention to electric automobile direct current quick charge station management system;
Fig. 2 is the workflow schematic diagram of direct current quick charge station supervisory control system of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described further.
Be illustrated in figure 1 the structure principle chart of electrical network of the present invention to electric automobile direct current quick charge station management system embodiment, as seen from the figure, this system comprises power distribution network dispatching patcher, power distribution network EMS, direct current quick charge station supervisory control system, charger controller and Vehicle Controller, and direct current quick charge station accepts the management of power distribution network EMS and power distribution network dispatching patcher simultaneously.Power distribution network EMS issues realtime power limiting command to charging station monitoring system, and power distribution network dispatching patcher issues day " electricity consumption plan " to direct current quick charge station, and the realtime power instruction of power distribution network has precedence over operation plan, is described as follows:
Power distribution network dispatching patcher, formulates the electricity consumption plan of this charging station, and this electricity consumption plan is sent to direct current quick charge station supervisory control system according to next the daily load prediction result obtained from direct current quick charge station;
Power distribution network EMS, receives the real-time power information of this charging station that direct current quick charge station supervisory control system sends, and calculates realtime power restriction and this realtime power restriction instruction is sent to direct current quick charge station supervisory control system;
Direct current quick charge station supervisory control system, calculates the distribution power of each vehicle, and distribution power information is sent to the charger controller of the corresponding electrically-charging equipment of each vehicle according to electricity consumption plan information and realtime power restriction command information;
Charger controller, modulates the power output that electrically-charging equipment provides, and makes a copy for Vehicle Controller by distribution power information corresponding for electrically-charging equipment, sends the state information of electrically-charging equipment and vehicle to direct current quick charge station supervisory control system simultaneously;
Vehicle Controller, the charge power of employing is carried out decision-making to vehicle reality by the distribution power information according to correspondence, and the state of Vehicular charger, battery and the relevant information of user are sent to charger controller.
The direct current quick charge station supervisory control system of the present embodiment comprises data acquisition module, direct current quick charge station load prediction module, " charging in order " module, but is not limited to above-mentioned module.Data acquisition module carries out Real-Time Monitoring and recording and sending to orderly charging module by being positioned at the station measurement of electrically-charging equipment and the communicating terminal state to electrically-charging equipment and electric automobile vehicle, the historical data of this charging station charging vehicle is sent to load prediction module simultaneously.Load prediction module is predicted according to the charging load of the historical data of direct current quick charge station to next day of charging station, and will predict the outcome and send to power distribution network dispatching patcher.The real-time power information of direct current quick charge station is sent to power distribution network EMS by orderly charging module, the distribution power information of each vehicle is sent to charger controller, namely carries out Vehicular charging power management in direct current quick charge station according to charge information in power distribution network management information and station.
Charger controller refers to the measurement of electrically-charging equipment inside, communication, control and protection system.When DC charging motor exports as direct current, it can be modulated the power output that electrically-charging equipment provides, and the permission power bracket of electrically-charging equipment is sent to Vehicle Controller.Charger controller provides the communication interface between vehicle and direct current quick charge station supervisory control system simultaneously.
Vehicle Controller refers to the system managed the charging process of vehicle, and which provide the communication interface of vehicle and external system, and provide interaction interface to user, user sends demand information by Vehicle Controller.The Power Limitation of Vehicle Controller synthetic user demand, battery management system (BMS) information and direct current quick charge station, makes charge power decision-making.Its distribution power P issued according to direct current quick charge station supervisory control system cit (), carries out decision-making by the charge power of employing, receipt power P of charging to vehicle reality fi(t) and receipt attribute λ it () feeds back to direct current quick charge station supervisory control system.Wherein charging receipt power P fit () represents that the charge power adopted planned by vehicle; λ it ()=0 represents that not participating in subsequent period charging station " charges " in order, λ it ()=1 represents participates in.
Power distribution network dispatching patcher of the present invention sends electricity consumption plan to orderly charging module, power distribution network EMS sends realtime power restriction instruction to this module, the real-time power information of direct current quick charge station is sent in power distribution network EMS by orderly charging module, and distribution power information is sent to charger controller.Distribution power information is made a copy for Vehicle Controller by charger controller.The state of Vehicular charger, battery and the relevant information of user are sent to charger controller by Vehicle Controller.Data acquisition module passes through the state information of charger controller acquisition and recording electrically-charging equipment and vehicle.
Present invention also offers a kind of electrical network to electric automobile direct current quick charge station management method, the method comprises the steps:
(1) direct current quick charge station supervisory control system reads the electricity consumption plan P of the present period direct current quick charge station that power distribution network EMS issues oPt realtime power restriction P that () and power distribution network dispatching patcher issue d(t);
(2) state information of the information that issues according to power distribution network of direct current quick charge station supervisory control system and current each access vehicle and place electrically-charging equipment, the distribution power P of each electric automobile in computer installation ci(t), and this charging distribution power instruction is handed down to corresponding vehicle;
In standing, the computational process formula of each electric automobile distribution power is as follows:
P ci ( t ) = P ci ^ ( t ) { min ( P OP ( t ) , P D ( t ) ) - Σ i = 1 N [ ( 1 - λ i ( t - 1 ) ) P fi ( t - 1 ) ] } Σ i = 1 N P ^ ci λ i ( t - 1 )
P ^ ci ( t ) = min ( E i ( t ) T i ( t ) , P Ei ( t ) )
Wherein, N is the online vehicle fleet size of current direct current quick charge station;
E it electricity that () supplements for vehicle needs;
P eit () is electrically-charging equipment permission power;
T it () is the residue down time of access vehicle;
P fit () is Vehicular charging receipt power, represent the charge power that this period vehicle will adopt;
λ it () is receipt attribute, λ it ()=0 represents the orderly charging not participating in subsequent period direct current quick charge station, λ it ()=1 represents participates in.
(3) Vehicle Controller of each vehicle responds this distribution power instruction according to the demand of user and vehicle-state, controls the charge power of electric automobile in real time.
In the present embodiment, power distribution network dispatching patcher issues electricity consumption plan P to direct current quick charge station oPt the step of () comprising:
(1) time of reception point (18:00) front next daily load prediction result obtaining this station from direct current quick charge station is set every day, this load prediction results time precision can require to be set as 5min or 15min according to power distribution network dispatching patcher, as being that the load prediction results of time precision is made up of the data of 288 points with 5min, be defined as { P cp(0) ..., P cp(287) };
(2) formulate electricity consumption plan in next day of direct current quick charge station according to next daily load prediction result of power distribution network generation schedule, load prediction and direct current quick charge station, if be time precision with 5min, " electricity consumption plan " { P should be may be defined as oP(0) ..., P oP(287) }; The forward direction direct current quick charge station of the setting transmitting time point (24:00) of every day issues this electricity consumption plan.
Power distribution network EMS issues realtime power restriction P to direct current quick charge station dt the step of () comprising:
(1) power P of collection t direct current quick charge station place distribution line or common transformer is measured lt (), reads the t direct current quick charge station actual power P that direct current quick charge station reports c(t);
(2) t+1 moment charging station power limit P is calculated d(t+1): P d(t+1)=P max(t+1)-P l(t)+P c(t), wherein P max(t+1) be the maximum allowable power in the t+1 moment of distribution line or common transformer;
(3) issue the t+1 moment to direct current quick charge station and allow power limit P d(t+1).
The orderly charging module of direct current quick charge station supervisory control system carries out the module of Vehicular charging power management in direct current quick charge station according to charge information in power distribution network management information and station, and the real time status information of its electrically-charging equipment needed and vehicle comprises: the available maximum power P of current t electrically-charging equipment ei(t), the residue down time T of each access vehicle i(t), dump energy demand E it (), i=1...N, N are the online vehicle fleet size of current direct current quick charge station.As the realtime power restriction P that power distribution network EMS issues dt () is not more than " electricity consumption plan " P that power distribution network dispatching patcher is assigned oPt, time (), orderly charging module selects P dt () is for charging station is at the maximum permission charging load P of t s(t), otherwise, with P oPt () is as maximum permission charging load P s(t), i.e. P s(t)=min (P oP(t), P d(t)), compare P sthe rated power summation P of (t) and current in running order electrically-charging equipment nt (), works as P s(t) > P ntime (t), the distribution charge power P of each vehicle of t that the various information that orderly charging module comprehensively reads will calculate cit () is handed down to corresponding vehicle.
Load prediction module is as follows to the direct current quick charge station charging load prediction process of a day according to the historical data of direct current quick charge station charging vehicle:
(1) day part Vehicular charging power on the one and the desired value in charging interval is determined according to the historical data statistics of direct current quick charge station;
(2) the vehicle historical data Modling model carrying out charging according to arrival direct current quick charge station predicts that the vehicle of next day day part reaches quantity;
(3) desired value of the charge power of day part direct current quick charge station is calculated, and in this, as predicting the outcome.
Fig. 2 is the workflow schematic diagram of direct current quick charge station supervisory control system, and the step that as seen from the figure, direct current quick charge station supervisory control system 101 performs under power distribution network and power distribution network dispatching management " charging in order " is as follows:
(1) " electricity consumption plan " P of present period charging station is read oPt (), reads the realtime power restriction P that distribution management system issues d(t);
(2) read the state information of current each access vehicle and place electrically-charging equipment, comprising: the electricity E that vehicle needs supplement it (), electrically-charging equipment allow power P ei(t), residue down time T i(t);
(3) min (P is judged oP(t), P d(t)) whether be greater than the current required horsepower P of charging station nt (), as min (P oP(t), P d(t)) exit calculation process when being not more than the rated power of charging station, wait for next calculation interval; Otherwise order performs next step; Wherein, P nt () is the rated power summation of current in running order electrically-charging equipment;
(4) calculate the distribution power of each vehicle, and issue charge power instruction to each vehicle: P ci(t);
(5) the orderly charging receipt power P of each access vehicle is read fi(t) and receipt attribute λ i(t);
(6) judge whether that following situation occurs: <1> computing cycle terminates (can be set to 5 minutes or less), and <2> has vehicle to exit or accesses new vehicle.When satisfy condition <1> time, repeat from step (1); When satisfy condition <2> time, repeat from step (3).
Above embodiment only understands core concept of the present invention for helping; the present invention can not be limited with this; for those skilled in the art; every according to thought of the present invention; the present invention is modified or equivalent replacement; any change done in specific embodiments and applications, all should be included within protection scope of the present invention.

Claims (10)

1. electrical network is to an electric automobile direct current quick charge station management system, it is characterized in that, comprising:
Power distribution network dispatching patcher, formulates the electricity consumption plan of this charging station, and this electricity consumption plan is sent to direct current quick charge station supervisory control system according to next the daily load prediction result obtained from direct current quick charge station;
Power distribution network EMS, receives the real-time power information of this charging station that direct current quick charge station supervisory control system sends, and calculates realtime power restriction and this realtime power restriction instruction is sent to direct current quick charge station supervisory control system;
Direct current quick charge station supervisory control system, calculates the distribution power of each vehicle, and distribution power information is sent to the charger controller of the corresponding electrically-charging equipment of each vehicle according to electricity consumption plan information and realtime power restriction command information;
Charger controller, modulates the power output that electrically-charging equipment provides, and makes a copy for Vehicle Controller by distribution power information corresponding for electrically-charging equipment, sends the state information of electrically-charging equipment and vehicle to direct current quick charge station supervisory control system simultaneously;
Vehicle Controller, the charge power of employing is carried out decision-making to vehicle reality by the distribution power information according to correspondence, and the state of Vehicular charger, battery and the relevant information of user are sent to charger controller.
2. electrical network according to claim 1 is to electric automobile direct current quick charge station management system, it is characterized in that, described direct current quick charge station supervisory control system comprises:
Data acquisition module, the real time status information of acquisition and recording electrically-charging equipment and vehicle sends to orderly charging module, and the historical data of this charging station charging vehicle is sent to load prediction module;
Load prediction module, predicts the charging load of next day of charging station, and will predict the outcome and send to power distribution network dispatching patcher;
Orderly charging module, sends to power distribution network EMS by the real-time power information of direct current quick charge station, and the distribution power information of each vehicle is sent to charger controller.
3. electrical network according to claim 1 is to electric automobile direct current quick charge station management system; it is characterized in that: described charger controller is the measurement of electrically-charging equipment inside, communication, control and protection system, provides the communication interface between vehicle and direct current quick charge station supervisory control system.
4. electrical network is to an electric automobile direct current quick charge station management method, it is characterized in that: the method comprises the steps:
(1) direct current quick charge station supervisory control system reads the electricity consumption plan P of the present period direct current quick charge station that power distribution network EMS issues oPt realtime power restriction P that () and power distribution network dispatching patcher issue d(t);
(2) state information of the information that issues according to power distribution network of direct current quick charge station supervisory control system and current each access vehicle and place electrically-charging equipment, the distribution power P of each electric automobile in computer installation ci(t), and this charging distribution power instruction is handed down to corresponding vehicle;
(3) Vehicle Controller of each vehicle responds this distribution power instruction according to the demand of user and vehicle-state, controls the charge power of electric automobile in real time.
5. electrical network according to claim 4 is to electric automobile direct current quick charge station management method, it is characterized in that, power distribution network dispatching patcher issues electricity consumption plan P to direct current quick charge station oPt the step of () comprising:
(1) next daily load prediction result at this station is obtained before setting time of reception point every day from direct current quick charge station;
(2) formulate electricity consumption plan in next day of direct current quick charge station according to next daily load prediction result of power distribution network generation schedule, load prediction and direct current quick charge station, the forward direction direct current quick charge station of the setting transmitting time point of every day issues this electricity consumption plan.
6. electrical network according to claim 4 is to electric automobile direct current quick charge station management method, it is characterized in that, power distribution network EMS issues realtime power restriction P to direct current quick charge station dt the step of () comprising:
(1) power P of collection t direct current quick charge station place distribution line or common transformer is measured lt (), reads the t direct current quick charge station actual power P that direct current quick charge station reports c(t);
(2) t+1 moment charging station power limit P is calculated d(t+1): P d(t+1)=P max(t+1)-P l(t)+P c(t), wherein P max(t+1) be the maximum allowable power in the t+1 moment of distribution line or common transformer;
(3) issue the t+1 moment to direct current quick charge station and allow power limit P d(t+1).
7. electrical network according to claim 4 is to electric automobile direct current quick charge station management method, it is characterized in that, in standing, the computational process formula of each electric automobile distribution power is as follows:
P ci ( t ) = P ci ^ ( t ) { min ( P OP ( t ) , P D ( t ) ) - &Sigma; i = 1 N [ ( 1 - &lambda; i ( t - 1 ) ) P fi ( t - 1 ) ] } &Sigma; i = 1 N P ^ ci &lambda; i ( t - 1 )
P ^ ci ( t ) = min ( E i ( t ) T i ( t ) , P Ei ( t ) )
Wherein, N is the online vehicle fleet size of current direct current quick charge station;
E it electricity that () supplements for vehicle needs;
P eit () is electrically-charging equipment permission power;
T it () is the residue down time of access vehicle;
P fit () is Vehicular charging receipt power, represent the charge power that this period vehicle will adopt;
λ it () is receipt attribute, λ it ()=0 represents the orderly charging not participating in subsequent period direct current quick charge station, λ it ()=1 represents participates in.
8. electrical network according to claim 4 is to electric automobile direct current quick charge station management method, it is characterized in that, described direct current quick charge station supervisory control system comprises:
Data acquisition module, the real time status information of acquisition and recording electrically-charging equipment and vehicle sends to orderly charging module, and the historical data of this charging station charging vehicle is sent to load prediction module;
Load prediction module, predicts the charging load of next day of charging station, and will predict the outcome and send to power distribution network dispatching patcher;
Orderly charging module, sends to power distribution network EMS by the real-time power information of direct current quick charge station, and the distribution power information of each vehicle is sent to charger controller.
9. electrical network according to claim 8 is to electric automobile direct current quick charge station management method, it is characterized in that, described load prediction module is as follows according to the charging load prediction process of the historical data of direct current quick charge station charging vehicle to next day of direct current quick charge station:
(1) day part Vehicular charging power on the one and the desired value in charging interval is determined according to the historical data statistics of direct current quick charge station;
(2) the vehicle historical data Modling model carrying out charging according to arrival direct current quick charge station predicts that the vehicle of next day day part reaches quantity;
(3) desired value of the charge power of day part direct current quick charge station is calculated, and in this, as predicting the outcome.
10. electrical network according to claim 8 is to electric automobile direct current quick charge station management method, it is characterized in that, as the realtime power restriction P that power distribution network EMS issues dt () is not more than " electricity consumption plan " P that power distribution network dispatching patcher is assigned oPt, time (), orderly charging module selects P dt () is for charging station is at the maximum permission charging load P of t s(t), otherwise, with P oPt () is as maximum permission charging load P s(t), i.e. P s(t)=min (P oP(t), P d(t)), compare P sthe rated power summation P of (t) and current in running order electrically-charging equipment nt (), works as P s(t) > P ntime (t), the distribution power P of each electric automobile in the various information computer installations that orderly charging module comprehensively reads ci(t).
CN201410506145.9A 2014-09-26 2014-09-26 Direct-current fast charging station managing system and method for electric automobile from power grid Pending CN104269901A (en)

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CN108767952A (en) * 2018-06-04 2018-11-06 南京能瑞电力科技有限公司 A kind of off-board charging system to interconnect
CN110783938A (en) * 2019-11-29 2020-02-11 深圳供电局有限公司 Electric automobile charging system with energy storage function and method
CN113497449A (en) * 2020-04-06 2021-10-12 丰田自动车株式会社 Power control system
TWI785513B (en) * 2021-02-26 2022-12-01 拓連科技股份有限公司 Electric vehicle charging management methods and systems with variable energy management solution

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CN105608543A (en) * 2016-03-16 2016-05-25 福建工程学院 Power distribution quantity configuration method for charging station
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CN106208388A (en) * 2016-08-31 2016-12-07 科大智能电气技术有限公司 A kind of intelligence charging system and short term basis load prediction implementation method thereof in order
CN106364360A (en) * 2016-11-03 2017-02-01 六安市科宇专利技术开发服务有限公司 Electric vehicle charging station
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CN108248405A (en) * 2016-12-28 2018-07-06 湖南中车时代电动汽车股份有限公司 A kind of electric vehicle charge control method and system
CN107749629B (en) * 2017-10-27 2021-06-18 深圳供电局有限公司 Charging pile access control method based on charging station load real-time scheduling
CN107749629A (en) * 2017-10-27 2018-03-02 深圳供电局有限公司 A kind of control method based on the access of charging station load Real-Time Scheduling charging pile
CN108767952A (en) * 2018-06-04 2018-11-06 南京能瑞电力科技有限公司 A kind of off-board charging system to interconnect
CN110783938A (en) * 2019-11-29 2020-02-11 深圳供电局有限公司 Electric automobile charging system with energy storage function and method
CN110783938B (en) * 2019-11-29 2023-05-02 深圳供电局有限公司 Electric automobile charging system and method with energy storage function
CN113497449A (en) * 2020-04-06 2021-10-12 丰田自动车株式会社 Power control system
TWI785513B (en) * 2021-02-26 2022-12-01 拓連科技股份有限公司 Electric vehicle charging management methods and systems with variable energy management solution

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