CN108281968A - A kind of load scheduling model under Load aggregation quotient-wind power plant collaboration operation mode - Google Patents
A kind of load scheduling model under Load aggregation quotient-wind power plant collaboration operation mode Download PDFInfo
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- CN108281968A CN108281968A CN201810013993.4A CN201810013993A CN108281968A CN 108281968 A CN108281968 A CN 108281968A CN 201810013993 A CN201810013993 A CN 201810013993A CN 108281968 A CN108281968 A CN 108281968A
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- 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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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Abstract
The present invention provides a kind of Load aggregation quotient and cooperates with flexible load scheduling model under operation mode with wind power plant, includes the following steps：（1）The electric load administered using Load aggregation quotient determines the degree of flexibility of load as object；（2）That establishes Load aggregation quotient and wind power plant cooperates with operation mode；（3）Load aggregation quotient is needed with wind power plant consumption for foundation, using Income Maximum as target, establishes Optimal Operation Model a few days ago.The model is conducive to that Load aggregation quotient's polymeric flexible load is guided to participate in electricity market, to improve wind electricity digestion level, realizes wind power plant, the all-win of Load aggregation quotient and user.
Description
Technical field
The present invention relates to demand response fields, and in particular to a kind of Load aggregation quotient is cooperateed with wind power plant under operation mode
Flexible load scheduling model.
Background technology
In recent years, to improve energy resource structure, promote the sustainable development of society, China greatly develops wind-power electricity generation.Due to
Wind power output has randomness, intermittence and significantly demodulates peak character, operation tune of the large-scale wind power integration to electric system
Degree brings difficulty.Under traditional distribution mode, load is passive, rigid, therefore is mainly protected by power supply trace load
Demonstrate,prove the Real-time Balancing of grid power.And China's power supply architecture is based on thermoelectricity, water power and Gas Generator Set etc. have quick response energy
The flexibility power supply of power is less, peak regulation inadequate resource, and optimizing scheduling merely with the resource of Generation Side cannot be satisfied at present
The operation demand of high proportion wind power system, so that there is a large amount of " abandoning wind " phenomenon.With intelligent grid fast development and
Electricity market is opened gradually, and by demand response come coordinates user electricity consumption, will reduce to abandon wind, is improved wind electricity digestion capability
Effective way.
About application of the demand response in promoting wind electricity digestion, current research is to dispatch electricity consumption to introduce power generation mostly
In scheduling, with the minimum target of system operation cost, decision is carried out to Unit Combination and load responding problem.Some scholars from
The angle at family is set out, it is contemplated that it participates in the enthusiasm of demand response, is up to mesh with user's Income Maximum or user satisfaction
Scalar functions have studied the scheduling strategy of demand response resource.Electricity market degree of opening in China's is relatively low at present, and microgrid is built just
Starting, flexible load remain difficult to the scheduler object for being directly becoming bulk power grid or microgrid, disappear in big regional extent in a short time
Receive wind-powered electricity generation.Further, since there is stronger regulating power by the high energy load of representative of wood industry, height has been researched and proposed
The cooperation model for carrying energy load and wind-powered electricity generation, using high energy load on-site elimination wind-powered electricity generation, but high energy load is by region point
Cloth limits, model smaller scope of application.
Invention content
For the deficiency of existing research, the present invention provides a kind of Load aggregation quotient to be cooperateed under operation mode with wind power plant
Flexible load scheduling model provides a kind of new approaches to improve wind electricity digestion level.
The content of present invention is described as follows：
Step 1：The electric load administered using Load aggregation quotient determines the degree of flexibility and compensation standard of load as object：
S1：Load aggregation quotient classifies to administrative load, determines all types of load proportions；
According to whether have the ability for participating in demand response or wish that load is divided into firm demand and flexible load two major classes,
Firm demand is to be not involved in the rigid load of demand response；According to the response characteristic of load, further flexible load is divided into can
Reduction plans, translatable load and transferable load, can reduction plans refer to that can carry out part or complete to electricity consumption when needed
The load that portion is cut down, translatable load refer to that electricity consumption has continuity and electricity consumption sequential is fixed, and need entirety to be translated negative
Lotus, transferable load refer to day part electricity consumption it is unrestricted and within a dispatching cycle total electricity consumption need to remain unchanged it is negative
Lotus；While to load classification, all types of load proportions are determined；
S2：Load aggregation quotient signs demand response contract with user, and treaty content includes：
1) degree of flexibility of load
Degree of flexibility refers to weighing some indexs that flexible load participates in demand response potentiality；For can reduction plans i, it is main
It to include maximum reduction numberMaximum cuts down the durationMinimum cuts down interval timeThe maximum of permission is cut
Volume reduction amountMinimum with permission cuts down capacityDeng；It include mainly the translatable period for translatable load jThe electricity consumption durationDeng；It include mainly the transferable period for transferable load kIt is electric needed for load
AmountWith single transfer powerDeng；
2) compensation standard
A. unit power can making up price highest of reduction plans when receiving scheduling, translatable load takes second place, transferable negative
Lotus is minimum；
B. reimbursement for expenses is settled accounts as unit of the moon.
Step 2：That establishes Load aggregation quotient and wind power plant cooperates with operation mode：
S1：Wind power plant is signed a contract with Load aggregation quotient, and agreement is gone out with the price less than power grid sale of electricity to Load aggregation quotient
Remaining capacity is sold, determines the price of unit quantity of electricity；
S2：Wind power plant sends prediction force information a few days ago to grid dispatching center；
S3：Grid dispatching center predicts the regulating power of normal power supplies in output and system according to wind-powered electricity generation, conventional formulating
The consumption plan that wind-powered electricity generation is obtained while power supply generation schedule sends consumption plan to wind power plant；
S4：Wind power plant is contributed according to prediction and consumption plan calculates day part residue and contributes, and is sent and is disappeared to Load aggregation quotient
Receive needs；
S5：Load aggregation quotient dissolves demand and workload demand according to wind power plant, straight to purchase the partly or entirely remaining electricity of wind power plant
Amount, scheduling flexible load are dissolved and (are specifically shown in step 3)；
S6：Load aggregation quotient is settled accounts as unit of the moon to directly purchasing wind-powered electricity generation electricity；
Residue is contributed refer to wind power plant with Load aggregation quotient without cooperate with run when, by system convention power supply regulating power limit
System, sends the output be obstructed and yielded outside, and remaining capacity is the remaining integral contributed to the time.
Step 3：Load aggregation quotient is needed with wind power plant consumption for foundation, and using Income Maximum as target, foundation optimizes a few days ago
Scheduling model：
S1：Load curve of Load aggregation quotient when a few days ago to no demand response is predicted；
S2：Load aggregation quotient is needed with wind power plant consumption for foundation, using Income Maximum as target, establishes Load aggregation quotient day
Preceding Optimal Operation Model；When wind power plant, which provides output, cannot be satisfied firm demand power demand, Load aggregation quotient need to be to power grid
Power purchase is to ensure the normal electricity consumption of load；
According to the load model of existing flexible load, can obtain can reduction plans i, translatable load j and transferable load k
In the power of period t after scheduling, use respectivelyWithIt indicates, power of the firm demand m in period t is usedCome
It indicates, then Load aggregation quotient is in the total load of period t：
In formula：Ncut、Nshift、NtransAnd NfixIt respectively can reduction plans, translatable load, transferable load and fixation
The number of load；
The object function of scheduling model is：
In formula：CsellFor the power selling income of Load aggregation quotient；CbuyFor the purchases strategies of Load aggregation quotient；CcomIt is poly- for load
Close the cost that quotient compensates the flexible load for receiving scheduling；csellFor the price of Load aggregation quotient marketing unit electricity；EsumIt is all
The total electricity consumption of load；cwind、cgridRespectively price of the Load aggregation quotient to wind power plant and power grid buyer electricity；Ewind、
EgridThe electricity that respectively Load aggregation quotient buys to wind power plant and power grid, Esum=Ewind+Egrid；ccut、cshiftAnd ctransPoint
It Wei not the reduction of unit power load, translation or the making up price shifted；WithRespectively load cut down, translation or
The sum of power of transfer；
Constraints is：
1) power-balance constraint
Pt sum=Pt wind+Pt grid (3)
In formula：Pt windAnd Pt gridThe power that respectively Load aggregation quotient obtains in period t at wind power plant and power grid；
2) flexible load constrains：It is corresponding with load degree of flexibility index, such as number can be cut down in reduction plans dispatching cycles answer
Less than contract provision limit value, other conditions repeat no more；
S3：Load aggregation quotient solves scheduling model to obtain the scheduling result of each specific load using GAMS softwares；
S4：Load aggregation quotient issues dispatch command to load, while sending power purchase information to wind power plant；
S5：Load aggregation discusses the reimbursement for expenses for calculating this day each user and the expense to wind power plant power purchase, to be with the moon
Unit is settled accounts.
The beneficial effects of the invention are as follows：The present invention provides a kind of Load aggregation quotient to be cooperateed under operation mode with wind power plant
Flexible load scheduling model, Load aggregation quotient cooperate with operation with wind power plant, and remaining output is bought from wind power plant by negotiated prices, with
Self benefits are up to the administrative flexible load electricity consumption of target dispatch, and to dissolve, wind power plant is partly or entirely remaining to contribute.The present invention
Achievement is conducive to that Load aggregation quotient's polymeric flexible load is guided to participate in electricity market to improve wind electricity digestion level, realizes wind-powered electricity generation
, the all-win of Load aggregation quotient and user.
Description of the drawings
Fig. 1 cooperates with the flexible load scheduling model under operation mode whole for a kind of Load aggregation quotient in the present invention with wind power plant
Body flow chart.
Fig. 2 is that Load aggregation quotient cooperates with operation mode schematic diagram with wind power plant in the present invention.
Fig. 3 is that wind power plant dissolves demand curve one day in preferred embodiment.
Fig. 4 is Load aggregation quotient's load prediction curve one day in preferred embodiment.
Fig. 5 is the load curve after Load aggregation degree of negotiating the transfer of in preferred embodiment.
Fig. 6 is the power curve that Load aggregation quotient's day part obtains from wind power plant in preferred embodiment.
Specific implementation mode
Below in conjunction with the accompanying drawings, a preferred embodiment is described in detail.It is emphasized that following the description is merely exemplary
, the range being not intended to be limiting of the invention and its application.
Fig. 1 is that Load aggregation quotient provided by the invention cooperates with the flexible load scheduling model under operation mode whole with wind power plant
Body flow chart, specifically comprises the following steps：
Step 1：The electric load administered using Load aggregation quotient determines the degree of flexibility and compensation standard of load as object：
S1：Load aggregation quotient classifies to administrative load, determines all types of load proportions；
According to whether have the ability for participating in demand response or wish that load is divided into firm demand and flexible load two major classes,
Firm demand is to be not involved in the rigid load of demand response；According to the response characteristic of load, further flexible load is divided into can
Reduction plans, translatable load and transferable load, can reduction plans refer to that can carry out part or complete to electricity consumption when needed
The load that portion is cut down, translatable load refer to that electricity consumption has continuity and electricity consumption sequential is fixed, and need entirety to be translated negative
Lotus, transferable load refer to day part electricity consumption it is unrestricted and within a dispatching cycle total electricity consumption need to remain unchanged it is negative
Lotus；While to load classification, all types of load proportions are determined；
S2：Load aggregation quotient signs demand response contract with user, and treaty content includes：
1) degree of flexibility of load
Degree of flexibility refers to weighing some indexs that flexible load participates in demand response potentiality；For can reduction plans i, it is main
It to include maximum reduction numberMaximum cuts down the durationMinimum cuts down interval timeThe maximum of permission is cut
Volume reduction amountMinimum with permission cuts down capacityDeng；It include mainly the translatable period for translatable load jThe electricity consumption durationDeng；It include mainly the transferable period for transferable load kIt is electric needed for load
AmountWith single transfer powerDeng；
2) compensation standard
A. unit power can making up price highest of reduction plans when receiving scheduling, translatable load takes second place, transferable negative
Lotus is minimum；
B. reimbursement for expenses is settled accounts as unit of the moon.
Step 2：That establishes Load aggregation quotient and wind power plant cooperates with operation mode：
S1：Wind power plant is signed a contract with Load aggregation quotient, and agreement is gone out with the price less than power grid sale of electricity to Load aggregation quotient
Remaining capacity is sold, determines the price of unit quantity of electricity；
S2：Wind power plant sends prediction force information a few days ago to grid dispatching center；
S3：Grid dispatching center predicts the regulating power of normal power supplies in output and system according to wind-powered electricity generation, conventional formulating
The consumption plan that wind-powered electricity generation is obtained while power supply generation schedule sends consumption plan to wind power plant；
S4：Wind power plant is contributed according to prediction and consumption plan calculates day part residue and contributes, and is sent and is disappeared to Load aggregation quotient
Receive needs；
S5：Load aggregation quotient dissolves demand and workload demand according to wind power plant, straight to purchase the partly or entirely remaining electricity of wind power plant
Amount, scheduling flexible load are dissolved and (are specifically shown in step 3)；
S6：Load aggregation quotient is settled accounts as unit of the moon to directly purchasing wind-powered electricity generation electricity；
Residue is contributed refer to wind power plant with Load aggregation quotient without cooperate with run when, by system convention power supply regulating power limit
System, sends the output be obstructed and yielded outside, and remaining capacity is the remaining integral contributed to the time.
Step 3：Load aggregation quotient is needed with wind power plant consumption for foundation, and using Income Maximum as target, foundation optimizes a few days ago
Scheduling model：
S1：Load curve of Load aggregation quotient when a few days ago to no demand response is predicted；
S2：Load aggregation quotient is needed with wind power plant consumption for foundation, using Income Maximum as target, establishes Load aggregation quotient day
Preceding Optimal Operation Model；When wind power plant, which provides output, cannot be satisfied firm demand power demand, Load aggregation quotient need to be to power grid
Power purchase is to ensure the normal electricity consumption of load；
According to the load model of existing flexible load, can obtain can reduction plans i, translatable load j and transferable load k
In the power of period t after scheduling, use respectivelyWithIt indicates, power of the firm demand m in period t is usedCarry out table
Show, then Load aggregation quotient is in the total load of period t：
In formula：Ncut、Nshift、NtransAnd NfixIt respectively can reduction plans, translatable load, transferable load and fixation
The number of load；
The object function of scheduling model is：
In formula：CsellFor the power selling income of Load aggregation quotient；CbuyFor the purchases strategies of Load aggregation quotient；CcomIt is poly- for load
Close the cost that quotient compensates the flexible load for receiving scheduling；csellFor the price of Load aggregation quotient marketing unit electricity；EsumIt is all
The total electricity consumption of load；cwind、cgridRespectively price of the Load aggregation quotient to wind power plant and power grid buyer electricity；Ewind、
EgridThe electricity that respectively Load aggregation quotient buys to wind power plant and power grid, Esum=Ewind+Egrid；ccut、cshiftAnd ctransPoint
It Wei not the reduction of unit power load, translation or the making up price shifted；WithRespectively load cut down, translation or
The sum of power of transfer；
Constraints is：
1) power-balance constraint
Pt sum=Pt wind+Pt grid (3)
In formula：Pt windAnd Pt gridThe power that respectively Load aggregation quotient obtains in period t at wind power plant and power grid；
2) flexible load constrains：It is corresponding with load degree of flexibility index, such as number can be cut down in reduction plans dispatching cycles answer
Less than contract provision limit value, other conditions repeat no more；
S3：Load aggregation quotient solves scheduling model to obtain the scheduling result of each specific load using GAMS softwares；
S4：Load aggregation quotient issues dispatch command to load, while sending power purchase information to wind power plant；
S5：Load aggregation discusses the reimbursement for expenses for calculating this day each user and the expense to wind power plant power purchase, to be with the moon
Unit is settled accounts.
Illustrate that Load aggregation quotient proposed by the present invention cooperates with wind power plant under operation mode below by a preferred embodiment
Flexible load scheduling model.
Step 1：The electric load administered using Load aggregation quotient determines the degree of flexibility of load as object：
The selected wind power plant for participating in collaboration operation is the practical wind power plant that certain capacity is 749MW, Load aggregation quotient administrative area
Load total capacity in domain is 450MW, the firm demand of administration, can reduction plans, translatable load and transferable load
Capacity is respectively 310MW, 45MW, 50MW and 45MW.Assuming that Load aggregation degree of negotiating the transfer of reduction plans, translatable load and can turn
Move the expense that need to compensate of load be respectively 40 yuan/MW, 30 yuan/MW and 20 yuan/MW；The flexible degrees of data of each specific load is shown in Table 1-
3。
Table 1 can reduction plans degree of flexibility
The degree of flexibility of 2 translatable load of table
The degree of flexibility of 3 transferable load of table
Step 2：That establishes Load aggregation quotient and wind power plant cooperates with operation mode：
Assuming that wind power plant is to Load aggregation, commercially electric negotiated prices are 350 yuan/MWh.In certain winter, by factors such as heat supplies
It influences, which, which has, largely abandons wind, and consumption demand is as shown in Figure 3.
Step 3：Load aggregation quotient is needed with wind power plant consumption for foundation, and using Income Maximum as target, foundation optimizes a few days ago
Scheduling model：
According to National Energy Board《2015 years, national power price situation supervision was notified to》, Load aggregation quotient is to power grid power purchase
Price is taken as 426.85 yuan/MWh, and all load power purchase prices are 548.04 yuan/MWh.The load prediction curve of this day such as Fig. 4
It is shown.
The Load aggregation quotient proposed according to the present invention cooperates with the scheduling model under operation mode, emulation to obtain with wind power plant
The scheduling result of flexible load is：Can reduction plans without reduction；The primary translatable load 1 for being born in 9-11 points has moved to 23-
25 points, the translatable load 2 in situ in 10-13 points has moved to 1-4 points；For transferable load 1 without transfer, transferable load 2 is former
The power for betiding 19-20 points respectively has 15MW to be transferred to 3-4 points, and the primary power for being born in 15-16 points of transferable load 3 respectively has
8MW has been transferred to 23-24 points.Daily load curve after scheduling with Fig. 4 comparisons as shown in figure 5, understand：Daily load has before scheduling
Apparent early, evening peak, load peak-valley difference are 144.68MW；Scheduling afterload is early, evening peak is shifted, load peak-valley difference
For 109.28MW, reduce 35.4MW compared with before scheduling, daily load fluctuating obviously weakens.Load aggregation quotient day part is from wind-powered electricity generation
The power obtained at is as shown in Figure 6.It can be calculated the deserved compensation of this day translatable load 1-2, transferable load 1-3
With respectively 1800 yuan, 2100 yuan, 0 yuan, 600 yuan and 320 yuan.Load aggregation quotient to the expense of wind power plant power purchase be 71.73 ten thousand
Member.
The foregoing is merely the preferred embodiments of the present invention, are not intended to limit the scope of the present invention.It is all this
Any modification, equivalent replacement, improvement and so within the spirit and principle of invention, are all contained in protection scope of the present invention.
Claims (4)
1. a kind of Load aggregation quotient cooperates with the flexible load scheduling model under operation mode with wind power plant, it is characterised in that：Including
Following steps：
Step 1：The electric load administered using Load aggregation quotient determines the degree of flexibility and compensation standard of load as object；
Step 2：That establishes Load aggregation quotient and wind power plant cooperates with operation mode；
Step 3：Load aggregation quotient is needed with wind power plant consumption for foundation, using Income Maximum as target, establishes Optimized Operation a few days ago
Model.
2. flexible load scheduling model according to claim 1, which is characterized in that the step 1 comprises the concrete steps that：
S1：Load aggregation quotient classifies to administrative load, determines all types of load proportions；
According to whether have the ability for participating in demand response or wish that load is divided into firm demand and flexible load two major classes, it is fixed
Load is the rigid load for being not involved in demand response；According to the response characteristic of load, further flexible load, which is divided into, to cut down
Load, translatable load and transferable load, can reduction plans refer to that electricity consumption can partly or entirely be cut when needed
The load subtracted, translatable load refer to that electricity consumption has continuity and electricity consumption sequential is fixed, and need the whole load translated, can
Transfer load refers to that day part electricity consumption is unrestricted and load that total electricity consumption need to remain unchanged within a dispatching cycle；
While to load classification, all types of load proportions are determined；
S2：Load aggregation quotient signs demand response contract with user, and treaty content includes：
1) degree of flexibility of load
Degree of flexibility refers to weighing some indexs that flexible load participates in demand response potentiality；For can reduction plans i, it is main to wrap
Include maximum reduction numberMaximum cuts down the durationMinimum cuts down interval timeMaximum cut down of permission is held
AmountMinimum with permission cuts down capacityDeng；It include mainly the translatable period for translatable load jWith
The electric durationDeng；It include mainly the transferable period for transferable load kLoad institute electricity demandAnd list
Secondary transfer powerDeng；
2) compensation standard
A. unit power can making up price highest of reduction plans when receiving scheduling, translatable load takes second place, and transferable load is most
It is low；
B. reimbursement for expenses is settled accounts as unit of the moon.
3. flexible load scheduling model according to claim 1, which is characterized in that the step 2 comprises the concrete steps that：
S1：Wind power plant is signed a contract with Load aggregation quotient, and agreement is sold with the price less than power grid sale of electricity to Load aggregation quotient surplus
Remaining electricity determines the price of unit quantity of electricity；
S2：Wind power plant sends prediction force information a few days ago to grid dispatching center；
S3：Grid dispatching center predicts the regulating power of normal power supplies in output and system according to wind-powered electricity generation, is formulating normal power supplies
The consumption plan that wind-powered electricity generation is obtained while generation schedule sends consumption plan to wind power plant；
S4：Wind power plant is contributed according to prediction and consumption plan calculates day part residue and contributes, and sending consumption to Load aggregation quotient needs
It wants；
S5：Load aggregation quotient dissolves demand and workload demand according to wind power plant, straight to purchase the part or all of remaining capacity of wind power plant, adjusts
Degree flexible load is dissolved and (is specifically shown in step 3)；
S6：Load aggregation quotient is settled accounts as unit of the moon to directly purchasing wind-powered electricity generation electricity；
Residue is contributed refer to wind power plant with Load aggregation quotient without cooperate with run when, limited by system convention power supply regulating power, outside
It is the remaining integral contributed to the time to send the output be obstructed and yielded, remaining capacity.
4. flexible load scheduling model according to claim 1, which is characterized in that the step 3 comprises the concrete steps that：
S1：Load curve of Load aggregation quotient when a few days ago to no demand response is predicted；
S2：Load aggregation quotient is needed with wind power plant consumption for foundation, and using Income Maximum as target, it is a few days ago excellent to establish Load aggregation quotient
Change scheduling model；When wind power plant, which provides output, cannot be satisfied firm demand power demand, Load aggregation quotient need to be to power grid power purchase
To ensure the normal electricity consumption of load；
According to the load model of existing flexible load, can obtain can reduction plans i, translatable load j and transferable load k scheduling
Afterwards in the power of period t, use respectivelyWithIt indicates, power of the firm demand m in period t is usedIt indicates,
Then Load aggregation quotient is in the total load of period t：
In formula：Ncut、Nshift、NtransAnd NfixIt respectively can reduction plans, translatable load, transferable load and firm demand
Number；
The object function of scheduling model is：
In formula：CsellFor the power selling income of Load aggregation quotient；CbuyFor the purchases strategies of Load aggregation quotient；CcomFor Load aggregation quotient
Compensation receives the cost of the flexible load of scheduling；csellFor the price of Load aggregation quotient marketing unit electricity；EsumFor all loads
Total electricity consumption；cwind、cgridRespectively price of the Load aggregation quotient to wind power plant and power grid buyer electricity；Ewind、Egrid
The electricity that respectively Load aggregation quotient buys to wind power plant and power grid, Esum=Ewind+Egrid；ccut、cshiftAnd ctransRespectively
The making up price that unit power load is cut down, translates or shifted；WithRespectively load is cut down, translates or is shifted
The sum of power；
Constraints is：
1) power-balance constraint
Pt sum=Pt wind+Pt grid (3)
In formula：Pt windAnd Pt gridThe power that respectively Load aggregation quotient obtains in period t at wind power plant and power grid；
2) flexible load constrains：It is corresponding with load degree of flexibility index, such as number can be cut down in reduction plans dispatching cycles should be less than
Contract provision limit value, other conditions repeat no more；
S3：Load aggregation quotient solves scheduling model to obtain the scheduling result of each specific load using GAMS softwares；
S4：Load aggregation quotient issues dispatch command to load, while sending power purchase information to wind power plant；
S5：Load aggregation discusses the reimbursement for expenses for calculating this day each user and the expense to wind power plant power purchase, so as to as unit of the moon
It is settled accounts.
Priority Applications (1)
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| CN109872228A (en) * | 2019-01-17 | 2019-06-11 | 华北电力大学（保定） | Meter and probabilistic flexible load polymerization quotient participate in electricity market Bidding system |
| CN110045626A (en) * | 2019-05-14 | 2019-07-23 | 华北电力大学 | The Intelligent housing strategy changed based on temperature |
| CN110232640A (en) * | 2019-01-15 | 2019-09-13 | 华北电力大学 | It is a kind of towards wind electricity digestion the considerations of thermic load elasticity and heat supply network characteristic electric heating integrated distribution model |
| CN110991693A (en) * | 2019-10-28 | 2020-04-10 | 重庆大学 | Load price-quantity curve aggregation system considering uncertainty of electricity purchase cost |
| CN111932014A (en) * | 2020-08-12 | 2020-11-13 | 中国能源建设集团湖南省电力设计院有限公司 | Wind power plant-IESP (inter-Integrated service provider) cooperative operation optimization method considering risk avoidance |
| CN112163687A (en) * | 2020-06-28 | 2021-01-01 | 国家电网公司西北分部 | User side two-stage peak shaving response method based on load aggregation quotient |
| CN112365105A (en) * | 2020-12-08 | 2021-02-12 | 国网宁夏电力有限公司 | Load prediction method considering demand response in power Internet of things background |
| CN112633571A (en) * | 2020-12-18 | 2021-04-09 | 浙江大学 | LSTM-based ultrashort-term load prediction method under source network load interaction environment |
| CN112838592A (en) * | 2019-11-22 | 2021-05-25 | 国网江苏省电力有限公司电力科学研究院 | Load-source coordinated day-ahead scheduling method, device and system |
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| CN114362212A (en) * | 2022-03-21 | 2022-04-15 | 北京鼎诚鸿安科技发展有限公司 | Multi-type power grid load resource data processing and adjusting method and system |
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| CN109274121A (en) * | 2018-11-15 | 2019-01-25 | 山东中车风电有限公司 | A kind of wind power plant Optimization about control parameter method and system |
| CN109274121B (en) * | 2018-11-15 | 2021-03-23 | 山东中车风电有限公司 | Wind power plant control parameter optimization method and system |
| CN110232640A (en) * | 2019-01-15 | 2019-09-13 | 华北电力大学 | It is a kind of towards wind electricity digestion the considerations of thermic load elasticity and heat supply network characteristic electric heating integrated distribution model |
| CN109872228A (en) * | 2019-01-17 | 2019-06-11 | 华北电力大学（保定） | Meter and probabilistic flexible load polymerization quotient participate in electricity market Bidding system |
| CN110045626A (en) * | 2019-05-14 | 2019-07-23 | 华北电力大学 | The Intelligent housing strategy changed based on temperature |
| CN110991693A (en) * | 2019-10-28 | 2020-04-10 | 重庆大学 | Load price-quantity curve aggregation system considering uncertainty of electricity purchase cost |
| CN112838592B (en) * | 2019-11-22 | 2022-08-23 | 国网江苏省电力有限公司电力科学研究院 | Load-source coordinated day-ahead scheduling method, device and system |
| CN112838592A (en) * | 2019-11-22 | 2021-05-25 | 国网江苏省电力有限公司电力科学研究院 | Load-source coordinated day-ahead scheduling method, device and system |
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| CN112163687B (en) * | 2020-06-28 | 2024-03-22 | 国家电网有限公司西北分部 | User side two-stage peak regulation response method based on load aggregator |
| CN111932014A (en) * | 2020-08-12 | 2020-11-13 | 中国能源建设集团湖南省电力设计院有限公司 | Wind power plant-IESP (inter-Integrated service provider) cooperative operation optimization method considering risk avoidance |
| CN111932014B (en) * | 2020-08-12 | 2024-05-10 | 中国能源建设集团湖南省电力设计院有限公司 | Wind farm-IESP cooperative operation optimization method considering risk avoidance |
| CN112365105B (en) * | 2020-12-08 | 2022-03-25 | 国网宁夏电力有限公司 | Load prediction method considering demand response in power Internet of things background |
| CN112365105A (en) * | 2020-12-08 | 2021-02-12 | 国网宁夏电力有限公司 | Load prediction method considering demand response in power Internet of things background |
| CN112633571A (en) * | 2020-12-18 | 2021-04-09 | 浙江大学 | LSTM-based ultrashort-term load prediction method under source network load interaction environment |
| CN112633571B (en) * | 2020-12-18 | 2023-09-29 | 浙江大学 | Ultra-short-term load prediction method based on LSTM in source network load interaction environment |
| CN113256114A (en) * | 2021-05-25 | 2021-08-13 | 国网宁夏电力有限公司电力科学研究院 | Day-ahead and time-ahead two-stage demand response method based on distributed power generation consumption |
| CN114362212A (en) * | 2022-03-21 | 2022-04-15 | 北京鼎诚鸿安科技发展有限公司 | Multi-type power grid load resource data processing and adjusting method and system |
| CN114362212B (en) * | 2022-03-21 | 2022-06-10 | 北京鼎诚鸿安科技发展有限公司 | Multi-type power grid load resource data processing and adjusting method and system |
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