CN102938094B - The charging electric vehicle sequential participating in frequency modulation service is determined and service vehicle system of selection - Google Patents
The charging electric vehicle sequential participating in frequency modulation service is determined and service vehicle system of selection Download PDFInfo
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Abstract
The present invention proposes a kind of charging electric vehicle sequential participating in frequency modulation service and determines and service vehicle system of selection, comprising: to charging device input electricity price information and information of vehicles; Duration of charging needed for obtaining according to vehicle initial quantity of electricity level, target charge level and maximum average charge rate; According to vehicle turn-on time and time departure, obtain storing cycle time and possible charging sequential; According to the vehicle income under each charging sequential of vehicle income formulae discovery, determine the charging sequential of Income Maximum; When after the instruction of vehicle response scheduling, redefine charging sequential; Charging place is assessed charging vehicle, selects service vehicle from small to large by evaluation index.Embodiments of the invention effectively improve Vehicular charging benefit, and reduce power distribution network peak load difference and increase frequency modulation service capacity.<!--1-->
Description
Technical field
The present invention relates to electric vehicle engineering field, particularly a kind of charging electric vehicle sequential participating in frequency modulation service is determined and service vehicle system of selection.
Background technology
Be energy-conserving and environment-protective, all over the world large-scale popularization electric automobile in recent years, the charging behavior of following extensive electric automobile will bring greater impact to electrical network, and the characteristic of batteries of electric automobile group brings new opportunity also to power system security economical operation.
The main Types of electric automobile has bus, taxi, officer's car and private car etc., and there are Parking for residents only, market, unit office parks and charging station etc. in charging electric vehicle place.Dissimilar electric automobile is also different in the different charging place storage periods.The electric automobile being parked in charging place obtains electricity from electrical network, and can provide frequency modulation service for electric system.The unordered charging of a large amount of electric automobile may aggravate power distribution network peak-valley difference, and cause the harmful effects such as distribution line overload, do not make full use of batteries of electric automobile energy storage characteristic, economic benefit is not high yet.
Summary of the invention
The present invention is intended at least one of solve the problem.Special solution, under the prerequisite meeting Vehicular charging demand, in the reasonable arrangement duration of charging, improves charging economic benefit, reduces power distribution network peak-valley difference.Based on charging electricity price and frequency modulation service electricity price, rationally determine the charging electric vehicle sequential that single participation frequency modulation is served, and choose reasonable service vehicle, thus realize the economic transactions in charging place, the effect of peak load shifting is played to electrical network and improves the security of Operation of Electric Systems.
For this reason, the object of the invention is to propose a kind of charging electric vehicle sequential participating in frequency modulation service determine and service vehicle system of selection.
Embodiments of the invention propose a kind of charging electric vehicle sequential participating in frequency modulation service and determine and service vehicle system of selection, comprise the following steps: A: to electricity price information and the information of vehicles of electric automobile being connected charging device in each charging device input each moment; B: according to the initial quantity of electricity level of vehicle, target charge level and maximum average charge rate calculate the duration of charging T needed for electric automobile
c; C: according to electric automobile turn-on time and time departure, obtains electric automobile storage period T
s, and calculate possible charging sequential; D: the income calculating vehicle under each charging sequential according to vehicle profit calculating formula, Comparative Profits size, selects the charging sequential of Income Maximum; E: if the second-level dispatching instruction that vehicle receiver is assigned to charging place, the instruction of vehicle response scheduling, after participating in frequency modulation service, dynamic calculation vehicle income, redefines charging sequential; F: after charging place receives the schedule level one instruction that electrical network assigns, evaluation and selection is carried out to the vehicle that may participate in frequency modulation service, and assigns second-level dispatching instruction in real time.
In addition, the charging electric vehicle sequential of participation frequency modulation according to the above embodiment of the present invention service determines to have following additional technical characteristic with service vehicle system of selection:
According to one embodiment of present invention, described information of vehicles comprises the time T of electric automobile access charging device
in, time departure T
out, the horizontal SOC of initial quantity of electricity
0, target charge level SOC
tar, maximum average charge rate V and battery capacity CA, described electricity price information comprises charging electric vehicle price price, participates in raising frequency service price price_u and frequency reducing service price price_d.
Described steps A comprises further: the least unit time interval INV obtaining charging price and the change of frequency modulation service price, unit is hour, and the duration of charging section of vehicle and storage period section are divided into multiple time period by least unit time interval INV.According to one embodiment of present invention, the least unit time interval, INV was set as 1 hour, electricity price of charging same day information price
n, raising frequency service price information price_u
n, frequency reducing service price information price_d
n, wherein n=1,2,3 ... 24.
According to one embodiment of present invention, described step B comprises further: the horizontal SOC of initial quantity of electricity obtaining vehicle according to charging device
0, target charge level SOC
tar, maximum average charge rate V, can calculate the duration of charging T needed for electric automobile
cr, wherein T
cr=(SOC
tar-SOC
0)/V.According to the least unit time interval, the required duration of charging is divided into T
c=T
cr/ INV time period.Here, it is noted that maximum average charge rate V represents, the charge level of vehicle is charged from 0% with maximum average charge rate V, the inverse of required time when the charge level to vehicle reaches 100%.
According to one embodiment of present invention, described step C comprises further: the time T of electric automobile access charging device
in, time departure T
out, electric automobile storage period T
sr, wherein T
sr=T
out-T
in.According to the least unit time interval, the required duration of charging is divided into T
s=T
sr/ INV time period.Possible charging temporal representation, at storage period T
srthe suitable several duration of charging sections of interior selection are to meet the duration of charging T needed for vehicle
cr.Possible charging sequential always has
plant and select.The charged state of a kth period of the q kind charging sequential of electric automobile is c
qk, wherein k=1,2,3 ... T
s, q=1,2,3,
.Work as c
qkrepresent when=1 that electric automobile is in charged state; Work as c
qkrepresent when=0 that electric automobile is in idle condition.
According to one embodiment of present invention, described step D comprises further: according to vehicle profit calculating formula, calculates the income of vehicle under often kind of possible charging sequential, compares size, select the charging sequential of Income Maximum.In order to reflect the relation between the SOC charge level of vehicle and frequency modulation service quality, frequency modulation service price introduces the raising frequency price weight factor w_u relevant to the charge level of vehicle and frequency reducing price weight factor w_d, and then obtain the frequency modulation service price price_r=w_u × price_u+w_d × price_d of electric automobile, wherein w_u and w_d value is between 0 to 1.During in order to reflect charging, the impact of ordered pair target charge level, introduces penalty factor α in vehicle profit calculating formula.Vehicle profit calculating formula is:
Wherein, p=
n+ k-1 is the charging price in p moment, price_r
pfor the frequency modulation service price in p moment, α is penalty factor,
for electric automobile is at time departure T
outtime charge level, the charge level that namely vehicle is final, the free time of vehicle income and vehicle, Vehicular battery pool-size, charge rate are relevant with electricity price information.Here vehicle profit calculating formula can participate in frequency modulation service revenue computing method according to concrete vehicle and do corresponding adjustment.
According to one embodiment of present invention, described step e comprises further: after vehicle receiver to the charging second-level dispatching instruction assigned of place, the instruction of preferential answering second-level dispatching participates in frequency modulation service, and fluctuation may appear in the charge level of vehicle thus.A time period judges whether vehicle participates in frequency modulation service after carrying out A to D step, if do not participate in frequency modulation service, then and the charging sequential determined before continuing to perform; If participate in frequency modulation service, then the time after the service of record participation frequency modulation and charge level, as turn-on time and the initial quantity of electricity level of subsequent time period, repeat A to D step, dynamically determine new charging sequential.
According to one embodiment of present invention, described step F comprises further: charging place has the charging device of some, and can obtain all information of charging device, the second-level dispatching instruction that charging device preferential answering charging place is assigned.After charging place receives the schedule level one instruction that electrical network assigns, the vehicle of charging device is assessed by evaluation index, assigns second-level dispatching instruction in real time.
In the evaluation index a:t moment, charging place receives the schedule level one instruction providing frequency reducing to serve in the t period.Place of now charging has M car and is in idle condition in t.Charging place calculates acquisition vehicle j by steps A from t to T to D
outthe vehicle income f in moment
j_t, wherein j=1,2,3 ... M.Suppose that vehicle j participates in frequency reducing service, be in charged state in t, obtain vehicle j by steps A from t to T to E dynamic calculation
outthe vehicle income f ' in moment
j_t.In the t period, charging device is V from the electricity that electrical network obtains
j× CA
j× INV.The evaluation index a of vehicle j is:
Relatively the evaluation index a of M car, assigns second-level dispatching instruction to charging device from small to large by evaluation index a, until meet the demand of response schedule level one instruction.
In the evaluation index b:t moment, charging place receives the schedule level one instruction providing raising frequency to serve in the t period.Place of now charging has N car and is in charged state in t.Charging place calculates acquisition vehicle by steps A from t to T to D
outthe vehicle income f in moment
i_t, wherein i=1,2,3 ... N.If vehicle i participates in raising frequency service, stop charging at t vehicle, namely become idle condition from charged state, obtain vehicle i by steps A from t to T to E dynamic calculation
outthe vehicle income f ' in moment
i_t.Charging device stops after Vehicular charging, and the electricity reduced for network load is V
i× CA
i× INV.The evaluation index b of vehicle i is:
Relatively the evaluation index b of N car, assigns second-level dispatching instruction to charging device from small to large by evaluation index b, until meet the demand of response schedule level one instruction.
According to embodiments of the invention under the prerequisite meeting charging electric vehicle demand, utilize charging electricity price and frequency modulation service electricity price, with vehicle Income Maximum for target, determine sequential of charging.Feature of the present invention has:
1, optimize duration of charging arrangement, support vehicles income, improve charging place economic benefit simultaneously.
2, solve the aggravation power distribution network peak-valley difference that the unordered charging of a large amount of electric automobile may cause, the problems such as distribution line overload, realize, to charging load peak load shifting, adding frequency modulation service capacity etc.
3, calculated amount of the present invention is few, and application is convenient, decreases quantity of information mutual between charging place and charging device.
The present invention is applicable to the determination of the charging electric vehicle sequential not participating in frequency modulation service too, or participates in the determination of the charging electric vehicle sequential that other are served.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present invention.
Fig. 2 is the process flow diagram dynamically determining charging sequential of the present invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " on ", the orientation of the instruction such as D score, "front", "rear" or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.Term " one-level ", " secondary ", only for describing object, can not be interpreted as instruction or hint relative importance.Term " is assigned ", " reception " only for describing object, can not be interpreted as instruction or hint relativeness.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " connection " etc. should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Describe below in conjunction with accompanying drawing and determine and service vehicle system of selection according to the charging electric vehicle sequential of the participation frequency modulation service of the embodiment of the present invention.
With reference to figure 1, charging electric vehicle sequential according to the participation frequency modulation service of the embodiment of the present invention is determined and service vehicle system of selection, composition graphs 2, for the charging electric vehicle sequential of the participation frequency modulation service of the embodiment of the present invention determines the detail flowchart with service vehicle system of selection.Comprise the steps:
Steps A: to charging electricity price and frequency modulation service price information and the information of vehicles of electric automobile being connected charging device in charging device input each moment.
Charged the same day inputted in charging device electricity price information price
n, frequency modulation service price information comprises raising frequency pricing information price_u
nwith frequency reducing pricing information price_d
n, obtain the least unit time interval INV of charging price and the change of frequency modulation service price, unit is hour, and the duration of charging section of vehicle and storage period section are divided into multiple time period by least unit time interval INV.Such as, when INV is set as that 0.5 is constantly little, then n=1,2,3 ... 48, the electricity price of a day be divided into 48 time periods to consider.For ease of explaining and understanding, in example described below, the least unit time interval, INV was set as 1 hour, i.e. n=1,2,3 ... 24.
Charging device needs the information of vehicles obtained at least to comprise following information, i.e. the time T of electric automobile access charging device
in, time departure T
out, the horizontal SOC of initial quantity of electricity
0, target charge level SOC
tar, maximum average charge rate V and battery capacity CA, wherein, time departure T
outwith target charge level SOC
tarcharging device is inputted by car owner.It should be noted that, maximum average charge rate here may change because vehicle is different or vehicle-state is different to some extent with battery capacity, also likely remains unchanged.
Step B, according to the horizontal SOC of the initial quantity of electricity of vehicle
0, target charge level SOC
tar, maximum average charge rate V, can calculate the duration of charging T needed for electric automobile
cr, wherein T
cr=(SOC
tar-SOC
0)/V.According to the least unit time interval, the required duration of charging is divided into T
c=T
cr/ INV time period.Here, maximum average charge rate V represents, the charge level of vehicle is charged from 0% with maximum average charge rate, the inverse of required time when the charge level to vehicle reaches 100%.Such as, the horizontal SOC of the initial quantity of electricity of certain vehicle
0be 30%, target charge level SOC
tarbe 80%, maximum average charge rate perseverance is 0.1h
-1, according to formula, the duration of charging T needed for this car can be learnt
crfor 5h.
Step C, according to electric automobile T turn-on time
inwith time departure T
out, obtain electric automobile storage period T
sr, wherein T
sr=T
out-T
in, according to the least unit time interval, the required duration of charging is divided into T
s=T
sr/ INV time period.Calculate possible charging sequential, namely at T
st is selected in individual storage period section
cindividual duration of charging section is charged to vehicle, always has
plant and select.The charged state of a q kind charging sequential kth time period of electric automobile is c
qk, wherein k=1,2,3 ... T
s, q=1,2,3,
.Work as c
qkrepresent when=1 that electric automobile is in charged state; Work as c
qkrepresent when=0 that electric automobile is in idle condition.Such as, vehicle turn-on time is point in evening 10, and time departure is some the next morning 6, obtains storing cycle time T
sfor 8h, duration of charging T needed for vehicle
cfor 5h.That is, select to charge to vehicle for 5 hours in 8 hours of parking, always have
plant and select.Such as, wherein a kind of charging sequential is 11111000, and this represents that vehicle was in charged state at first 5 hours, within latter 3 hours, is in idle condition.
General, storing cycle time T
sralways be more than or equal to the duration of charging T needed for vehicle
cr.As storage period T
srbe less than the duration of charging T needed for vehicle
crtime, after charging device can input the information of vehicles such as target charge level and time departure car owner, prompting car owner.
Step D, calculates according to vehicle profit calculating formula
under the charging sequential that kind is possible, the income of vehicle, compares size, selects the charging sequential of Income Maximum.
In order to reflect the relation between the SOC charge level of vehicle and frequency modulation service quality, frequency modulation service price introduces the raising frequency price weight factor w_u relevant to charge level and frequency reducing price weight factor w_d, and then obtains the frequency modulation service price price_r of electric automobile
n=w_u
n× price_u
n+ w_d
n× price_d
n, wherein w_u and w_d value is between 0 to 1.Such as, when vehicle charge level close to 100% time, then charge to it, charging rate is almost 0, and its frequency reducing price weight factor w_d is also close to 0.
The instruction of vehicle response scheduling, may there is fluctuation in the charge level participated in after frequency modulation service, in order to reflect the impact on target charge level, introduce penalty factor α in profit calculating formula.Vehicle profit calculating formula is:
Wherein, p=T
in+ k-1, price
pfor the charging price in p moment, price_r
pfor the frequency modulation service price in p moment, α is penalty factor,
for electric automobile is at time departure T
outtime charge level, the charge level that namely vehicle is final.Can understand like this, if vehicle does not all participate in frequency modulation service during parking, charge by ordered pair vehicle during the charging determined during access charging device, vehicle just can reach target charge level when leaving, and the impact of penalty factor is 0; If vehicle participates in frequency modulation service in certain moment, the charging sequential causing subsequent time dynamically to be determined can not make vehicle reach target charge level when leaving, now the large young pathbreaker of penalty factor affects the income of vehicle, and then impact charging place is to the selection participating in frequency modulation service vehicle.The free time of vehicle income and vehicle, Vehicular battery pool-size, charge rate are relevant with electricity price information.Here vehicle profit calculating formula can participate in frequency modulation service revenue computing method according to concrete vehicle and do corresponding adjustment.
Step e, after vehicle receiver to the charging second-level dispatching instruction assigned of place, the instruction of preferential answering second-level dispatching participates in frequency modulation service, and fluctuation may appear in the charge level of electric automobile.A time period judges whether vehicle participates in frequency modulation service after carrying out A to D step, if do not participate in frequency modulation service, then and the charging sequential determined before continuing to perform; If participate in frequency modulation service, then the time after the service of record participation frequency modulation and charge level, as turn-on time and the initial quantity of electricity level of subsequent time period, repeat A to D step, dynamically determine new charging sequential.Such as: vehicle turn-on time is point in evening 10, and time departure is some the next morning 6, the horizontal SOC of initial quantity of electricity
0be 30%, target charge level SOC
tarbe 80%, maximum average charge rate perseverance is 0.1h
-1, the acquisition storage period is 8h, and the required duration of charging is 5h.Charging device, when vehicle accesses, determines that the charging sequential of vehicle Income Maximum is 11111000.Charging device receives second-level dispatching instruction after charging to vehicle at the 1st hour, and need stop charging at the 2nd hour to vehicle, namely the charge sequence of first 2 hours is 10.Be point in evening 12 at the end of frequency modulation service, vehicle charge level is 40%.At 12 in charging device record evening is turn-on time, and initial quantity of electricity level is 40%, and the acquisition storage period is 6h, and the required duration of charging is 4h, repeats A to D step, dynamically determines the charging sequential of at 12 in evening to the next morning 6.If the charging sequential newly determined is 101110, then total charging sequential becomes 10101110 because participating in frequency modulation service.
Step F, charging place has the charging device of some, and can obtain all information of charging device, the second-level dispatching instruction that charging device preferential answering charging place is assigned.After charging place receives the schedule level one instruction that electrical network assigns, evaluation and selection is carried out to charging device, assigns second-level dispatching instruction in real time.Charging place receives the first-level instruction of frequency reducing service, then assess free vehicle, charges to the vehicle participating in frequency reducing service; Charging place receives the first-level instruction of raising frequency service, then assess charging vehicle, stops charging to the vehicle participating in raising frequency service.
In the evaluation index a:t moment, charging place receives the schedule level one instruction providing frequency reducing to serve in the t period.The vehicle that charging place has a connection of M charging device in t period end in idle condition.Charging place calculates acquisition vehicle j by steps A from t to T to D
outthe vehicle income f in moment
j_t, wherein j=1,2,3 ... M.Suppose that vehicle j participates in frequency reducing service, be in charged state in the t period, obtain vehicle j by steps A from t to T to E dynamic calculation
outthe vehicle income f ' in moment
j_t.Vehicle is V from the electricity that electrical network obtains
j× CA
j× INV, vehicle beneficial change is f
j_t-f '
j_t.The evaluation index a of vehicle j is:
Evaluation index a represents the reduction that vehicle j is benefited under unit quantity of electricity change.Relatively the evaluation index a of M car, assigns the second-level dispatching instruction of charging from small to large to the charging device at vehicle place by evaluation index a, until meet the demand of response schedule level one instruction.Further explanation, can referring to the example illustrated in evaluation index b below.
In the evaluation index b:t moment, charging place receives the schedule level one instruction providing raising frequency to serve in the t period.The vehicle that charging place has the connection of N number of charging device is in charged state in the t period.Charging place calculates acquisition vehicle by steps A from t to T to D
outthe vehicle income f in moment
i_t, wherein i=1,2,3 ... N.If vehicle i participates in raising frequency service, be in idle condition in the t period, obtain vehicle i by steps A from t to T to E dynamic calculation
outthe vehicle income f ' in moment
i_t.Vehicle is the electricity that network load reduces is V
i× CA
i× INV, beneficial change is f
i_t-f '
i_t.The evaluation index b of vehicle i is:
Evaluation index b represents the reduction that vehicle i is benefited under unit quantity of electricity change.The relatively evaluation index b of N car, assigns the second-level dispatching instruction stopping charging from small to large to the charging device at vehicle place by evaluation index b, until meet the demand of response schedule level one instruction.Such as, vehicle turn-on time is point in evening 10, and time departure is some the next morning 6, and charging sequential is 11111000.Assuming that at the beginning of 11, charging device receives second-level dispatching instruction, stop Vehicular charging at 11.At the beginning of 12, charging device performs E step, dynamically determines new charging sequential, is assumed to be 101110.Then charging device at night 11 to some the next morning 6, the charging sequential of plan is 1111000, the charging sequential participated in after frequency modulation service is 0101110.Both calculating is charged the difference of the vehicle income under sequential, obtains evaluation index b.In this way, assess the vehicles of planned 11 chargings at night of institute in charging place, charging place selects the vehicle of participation frequency modulation service until meet schedule level one instruction to evaluation index b from small to large successively, assigns the second traffic order in real time.
According to embodiments of the invention, reduce the impact that charging electric vehicle is excessive to network load, mild workload demand curve, increase frequency modulation service capacity.Under the prerequisite meeting Vehicular charging demand, reasonable arrangement charging sequential, avoids peak of power consumption, improves utilization factor and the economy of vehicle dump energy.Under the prerequisite meeting power grid frequency modulation demand for services, rational management vehicle, realizes the configuration of electric power resource economical and effective, improves charging place economic benefit.
In addition, embodiments of the invention step is simple, and usable range is extensive, data volume and calculated amount less, and easily to realize.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " example " and " such as " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalency thereof.
Claims (7)
1. the charging electric vehicle sequential participating in frequency modulation service is determined and a service vehicle system of selection, it is characterized in that, comprises the following steps:
A: to the electricity price information in each charging device of electric automobile input each moment, and the information of vehicles of the electric automobile of connection charging device;
B: according to the initial quantity of electricity level of vehicle, target charge level and maximum average charge rate, calculate the duration of charging obtained needed for electric automobile;
C: according to turn-on time and the time departure of vehicle, obtains the storage period of electric automobile, and obtains possible charging sequential simultaneously;
D: the income calculating vehicle under each charging sequential according to vehicle profit calculating formula, compares size, selects the charging sequential of Income Maximum; Described step D comprises further:
Calculate the income of vehicle under often kind of possible charging sequential, compare, determine the charging sequential of Income Maximum, vehicle profit calculating formula is:
Wherein p=T
in+ k-1, α are penalty factor,
for electric automobile is at time departure T
outtime charge level, V is maximum average charge rate, and CA is battery capacity, and INV is the least unit time interval, SOC
tarfor target charge level, price
pfor the charging price in p moment, price_r
pfor the frequency modulation service price in p moment, T
sfor the electric automobile storage period, k is charge period, c
kit is the charged state of kth period;
E: if the second-level dispatching instruction that vehicle receiver is assigned to charging place, response scheduling instruction, after participating in frequency modulation service, dynamic calculation vehicle income, redefines charging sequential;
F: after charging place receives the schedule level one instruction that electrical network assigns, evaluation and selection is carried out to the vehicle that may participate in frequency modulation service, and assigns second-level dispatching instruction in real time; Described step F comprises further:
After charging place receives the schedule level one instruction that electrical network assigns, assess by evaluation index the vehicle of charging device, assign second-level dispatching instruction in real time, service vehicle evaluation index is:
wherein f
tfor the income of vehicle in t non-response scheduling instruction situation, f
t' be the vehicle income in t response scheduling instruction situation, from small to large second-level dispatching instruction is assigned to vehicle by evaluation index, until meet the demand of response schedule level one instruction.
2. a kind of charging electric vehicle sequential participating in frequency modulation service according to claim 1 is determined and service vehicle system of selection, it is characterized in that, the single charging device in charging place charges to the electric automobile that it connects based on the method, described electricity price information comprises charging electric vehicle price price, participate in raising frequency service price price_u and frequency reducing service price price_d, frequency modulation service price introduces the raising frequency price weight factor w_u relevant to vehicle charge level and frequency reducing price weight factor w_d, and then obtain the frequency modulation service price price_r=w_u × price_u+w_d × price_d of electric automobile, wherein w_u and w_d value is between 0 to 1.
3. a kind of charging electric vehicle sequential participating in frequency modulation service according to claim 2 is determined and service vehicle system of selection, it is characterized in that, described information of vehicles comprises the time T of electric automobile access charging device
in, time departure T
out, the horizontal SOC of initial quantity of electricity
0, target charge level SOC
tar, maximum average charge rate V and battery capacity CA, time departure and target charge level input charging device by car owner.
4. a kind of charging electric vehicle sequential participating in frequency modulation service according to claim 3 is determined and service vehicle system of selection, and it is characterized in that, described steps A comprises further:
Obtain the least unit time interval INV of charging price and the change of frequency modulation service price, the duration of charging section of vehicle and storage period section are divided into multiple time period by least unit time interval INV, to calculate vehicle income and evaluation services vehicle further.
5. a kind of charging electric vehicle sequential participating in frequency modulation service according to claim 3 is determined and service vehicle system of selection, and it is characterized in that, described step B comprises further:
According to the horizontal SOC of the initial quantity of electricity of vehicle
0, target charge level SOC
tarwith maximum average charge rate V, calculate the duration of charging T obtained needed for electric automobile
c, wherein T
c=(SOC
tar-SOC
0)/V.
6. a kind of charging electric vehicle sequential participating in frequency modulation service according to claim 3 is determined and service vehicle system of selection, and it is characterized in that, described step C comprises further:
The time T of electric automobile access charging device
in, time departure T
out, obtain electric automobile storage period T
s, wherein T
s=T
out-T
in, possible charging temporal representation, at storage period T
sthe suitable several duration of charging sections of interior selection are to meet the duration of charging T needed for vehicle
c, always have
plant and select, the charged state of the kth period of the q kind charging sequential of electric automobile is c
qk, wherein k=1,2,3 ... T
s,
work as c
qkrepresent when=1 that electric automobile is in charged state; Work as c
qkrepresent when=0 that electric automobile is in idle condition.
7. a kind of charging electric vehicle sequential participating in frequency modulation service according to claim 3 is determined and service vehicle system of selection, and it is characterized in that, described step e comprises further:
Charging device, when not receiving the second-level dispatching instruction that charging place is assigned, performs the charging sequential determined, after receiving dispatch command, response scheduling instruction, participation frequency modulation is served, and is new turn-on time to terminate service time, redefines new charging sequential.
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| CN104052055B (en) * | 2014-07-02 | 2015-12-30 | 江苏大学 | A kind of electric automobile frequency modulation centralized dispatching control method towards active intelligent grid |
| CN105095982B (en) * | 2015-03-26 | 2018-09-07 | 电子科技大学 | A kind of electric vehicle participation power grid frequency modulation dispatching method based on running model |
| CN106386563A (en) * | 2016-10-31 | 2017-02-15 | 剑河县永昌土鸡林下养殖有限公司 | Geothermal chicken raising greenhouse |
| CN106815121A (en) * | 2017-02-04 | 2017-06-09 | 广州三星通信技术研究有限公司 | The charging reminding method and its equipment of a kind of terminal |
| CN109242231B (en) * | 2017-07-10 | 2022-05-06 | 菜鸟智能物流控股有限公司 | Scheduling method of energy consumption equipment and related equipment |
| CN107719164B (en) * | 2017-10-11 | 2020-02-18 | 华北电力大学 | TOPSIS sorting-based residential electric vehicle ordered charging method |
| JP7003296B2 (en) * | 2019-01-17 | 2022-01-20 | 本田技研工業株式会社 | Power transmission / reception management device and program |
| CN111401640B (en) * | 2020-03-18 | 2020-10-20 | 南京工程学院 | Bilateral balance type charging optimization scheduling method in electric automobile station |
| CN112297930B (en) * | 2020-10-21 | 2022-04-22 | 北京理工大学 | Scheduling method and system for automatic charging pile of electric automobile |
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