CN111784188A - Comprehensive energy service business market clearing method based on electric power market - Google Patents
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Abstract
The invention discloses a comprehensive energy service provider market clearing method based on an electric power market, which comprises the following steps: s1: constructing a comprehensive demand response market structure participated by a comprehensive energy service provider; s2: establishing a comprehensive demand response market clearing model; s3: and carrying out a clearing process of the comprehensive demand response market. According to the invention, the comprehensive demand response market structure is constructed firstly, then the optimization strategy of the comprehensive energy service provider is provided, and finally the comprehensive demand response market clearing model and the market clearing process considering the regulation domain of the comprehensive energy service provider are designed, so that the load peak-valley difference of the distribution network can be reduced, and the new energy consumption rate is improved.
Description
Technical Field
The invention relates to a comprehensive energy service provider market clearing method based on an electric power market.
Background
With the continuous development of national economy, the load peak-valley difference of the power grid is improved year by year. In addition, with the large-scale access of distributed energy, the problem of supply and demand balance cannot be solved only by the adjusting capability of the power generation side. Under the background of the electric power spot market, demand side response gradually gains wide attention all over the world due to the advantages of high flexibility, large response potential and the like. However, the emergence of the comprehensive energy system breaks through the existing mode of independent operation of each traditional energy system, so that the coupling of the energy flows in different forms is tighter and tighter, the role of an energy user is no longer a single consumer, but rather an energy service provider, and the coupling and replacement of the energy provides a new response path for the demand side. Therefore, the research on the interactive market clearing mechanism of the Integrated Energy Service Provider (IESP) and the superior energy network has important significance for improving the consumption rate of new energy and reducing the load peak-valley difference of the distribution network.
Disclosure of Invention
The invention aims to provide a comprehensive energy service provider market clearing method based on an electric power market, which can reduce distribution network load peak-valley difference and improve new energy consumption rate.
In order to solve the technical problem, the invention provides a comprehensive energy service provider market clearing method based on an electric power market, which comprises the following steps:
s1: constructing a comprehensive demand response market structure participated by a comprehensive energy service provider;
s2: establishing a comprehensive demand response market clearing model;
s3: and carrying out a clearing process of the comprehensive demand response market.
Further, in step S1, each renewable energy service provider submits its own regulatory domain, gateway power plan value, and gateway power adjustment offer to the network distribution operator, and the network distribution operator performs market clearing with the minimum peak-to-valley difference of exchange power of the main network access point as a target, and feeds back the adjusted energy utilization plan to each market member.
Further, under the guidance of time-of-use electricity price, up-regulation compensation and down-regulation compensation provided by a network operator, the comprehensive energy service provider maximizes the total profit of the comprehensive energy service provider by means of adjusting the output of the CHP unit, responding to flexible load, controlling the indoor temperature of the building, storing energy, charging and discharging energy and the like, and provides exchange power for the network operator, and the objective function is as follows:
minCBUY,d+CSELL,d+CCOM,d+CM,d(30)
wherein the content of the first and second substances,
is a vector of time-of-use electricity price, time-of-use heat price and natural gas price,
up regulation compensation, down regulation compensation, respectively, L (t) ═ Le(t),Lh(t)]TIs vector representation of electric load and thermal load in t period, IL (t) is flexible load response in t period, S (t) represents all types of external energy input in t period, CBUYRepresenting the electricity purchase charge, CSELLRepresenting the income of selling electricity, CCOMRepresentative distribution networkPower adjustment compensation charges paid to the energy service complex, Φ coupling matrix, P(t)Which represents the input power of the energy converter,
representing planned power of electricity purchasing port, cmRepresenting the cost per unit energy charged/discharged from the energy storage, the physical meaning of which is the influence of charging/discharging on the life of the stored energy, Qch(t) represents the respective energy storage and discharge powers, Qdis(t) represents the discharge power of each stored energy.
Further, the objective function of the integrated demand response market clearing is:
min CDIFF+CCUR+CCOM(35)
CDIFFis a penalty for major network junction peak-to-valley differences, where κDIFFRepresents a penalty in units of peak-to-valley difference, Ppcc(t) represents the switching power of the main network connection point at time t,
the auxiliary variable represents the maximum value of the power of the main network connection point in one day; cCURIs a penalty of incomplete consumption of renewable energy sources, wherein
Represents a collection of renewable energy sources that are,
represents the predicted power value of the w-th renewable energy source at the time t,
is the corresponding actual output value; cCOMThe network operator pays the energy balance to the energy supplier, wherein
On behalf of the set of integrated energy service providers,
respectively compensating electric power up-regulation, electric power down-regulation, thermal power up-regulation and thermal power down-regulation of the d-th comprehensive energy service provider in the t period,
respectively the planned values of the business electricity and heat exchange power of the d-th integrated energy serviced(t)、Hd(t) are the corresponding actual values, respectively.
Further, the flow constraint conditions of the heat distribution network cleared by the comprehensive demand response market are as follows:
wherein the content of the first and second substances,
respectively is an adjacent node set corresponding to the inlet edge of the ith heat supply node of the distribution network heat supply pipe network, an adjacent node set corresponding to the outlet edge, a subordinate comprehensive energy service provider set Hij、
λijRespectively the thermal power (MW), the thermal power loss (MW), the thermal loss coefficient (MW/km), H of the initial end of the pipeline (i, j)φFor CHP units, power (MW), HdFor healdAnd synthesizing the thermal power of the energy service provider contact node.
Further, the power distribution network flow constraint conditions of the comprehensive demand response market clearing model are as follows:
0≤Pd,j(t)≤Pd,j max(47)
wherein the content of the first and second substances,
respectively is an adjacent node set corresponding to the input edge, an adjacent node set corresponding to the output edge, a subordinate comprehensive energy service provider set, a subordinate renewable energy set, a subordinate CHP set and Q of the ith node of the distribution network power network frameij、
Rij、Xij、Pij maxRespectively the active power, reactive power, active power loss, reactive power loss, resistance, inductance and line active rated value of the tail end of the line (i, j),
the voltage squares, V, of the start and end nodes of the line (i, j), respectively0Is the node voltage rating. Pd、QdActive and reactive power, P, for the contact nodes of the integrated energy service providerφ、QφThe active power and the reactive power of the CHP unit.
Further, the CHP unit output constraint condition of the comprehensive demand response market clearing model is as follows:
Hφ(t)＝kφPφ(t) (50)
-RDφ≤(Pφ(t)-Pφ(t-1))/Δt≤RUφ(51)
wherein the content of the first and second substances,
respectively represents the upper and lower limits of the active output of the unit phi,
respectively represent the upper and lower reactive power output limits of the unit phi, RDφ、RUφRespectively representing the maximum landslide power and the climbing power of the unit phi per hour.
Further, the renewable energy output constraint conditions of the comprehensive demand response market clearing model are as follows:
wherein the content of the first and second substances,
in order to predict the output of the renewable energy,
the actual value of the output of the renewable energy source is;
further, the constraint conditions of the comprehensive energy service provider adjustment domain of the comprehensive demand response market clearing model are as follows:
wherein the content of the first and second substances, d,ψP(t)、
respectively is the lower limit and the upper limit of the power purchased by the psi-th comprehensive energy service provider in the t period, d,ψH (t)、
respectively is the lower limit and the upper limit of the commercial heat purchasing power of the psi-th comprehensive energy service in the t period,
respectively is the lower limit and the upper limit of the power purchasing change rate of the psi th comprehensive energy service provider in the t period,
respectively is the lower limit and the upper limit of the heat purchasing power change rate of the psi-th comprehensive energy service in the t period,
respectively is the lower limit and the upper limit of the virtual electric energy storage capacity of the psi th comprehensive energy service provider in the t period,
and the lower limit and the upper limit of the virtual heat energy storage capacity of the psi th comprehensive energy service provider in the t period are respectively.
Further, the clearing process of the comprehensive demand response market is as follows;
s31: the comprehensive energy service provider calculates a reference energy utilization plan P according to the user energy utilization prediction and the outdoor temperature predictiond(t)、Hd(t) further calculating regulatory domains (24) - (29) and adjusting the power bid r according to the calculation units of equations (31) - (34)+(t)、r-(t), reporting the information to a network operator;
s32: the network operator collects the information reported by each comprehensive energy service provider, solves the optimization problems (6) - (29), and issues the power regulation plan
Giving the comprehensive energy service providers;
s33: each comprehensive energy service provider solves the optimization problem MThe quote r is updated accordingly as in equations (31) - (34)+(t)、r-(t), reporting the information to a network operator;
s34: and comparing the two quotes before and after the comparison by the network operator, if the difference value is smaller than the threshold value, ending the clearing process, and otherwise, executing the step S32 again.
Further, the optimization problem M is:
the quotation updating strategy of the comprehensive energy service provider is as follows:
the invention has the beneficial effects that: the comprehensive demand response market structure is constructed firstly, then the optimization strategy of the comprehensive energy service provider is provided, and finally the comprehensive demand response market clearing model and the market clearing process considering the regulation domain of the comprehensive energy service provider are designed, so that the load peak-valley difference of the distribution network can be reduced, and the new energy consumption rate is improved.
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The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a flow chart of one embodiment of the present invention;
fig. 2 is an overall framework diagram of an IESP participating integrated demand response marketplace, according to one embodiment of the present invention.
Detailed Description
A comprehensive energy service business market clearing method based on an electric power market comprises the following steps:
s1: constructing a comprehensive demand response market structure participated by a comprehensive energy service provider;
s2: establishing a comprehensive demand response market clearing model;
s3: and carrying out a clearing process of the comprehensive demand response market.
According to an embodiment of the present application, an overall framework of the integrated demand response market in which the IESP participates is shown in fig. 1, each integrated energy service provider submits its own regulatory domain, gateway power plan value, and gateway power adjustment offer to the network distribution operator, and the network distribution operator performs market clearing with the goal of minimizing the peak-to-valley difference of the exchange power of the main network access point, and feeds back the adjusted energy utilization plan to each market member.
According to one embodiment of the application, the IESP aggregates energy supply equipment, energy storage equipment, flexible loads and virtual energy storage of a building in a jurisdiction, under the guidance of time-sharing electricity price, up-regulation compensation and down-regulation compensation provided by a network operator, the comprehensive energy service provider maximizes the total profit of the comprehensive energy service provider by means of adjusting CHP set output, flexible load response, building indoor temperature control, energy storage charging and discharging energy and the like, and provides exchange power for the network operator, and the objective function is as follows:
minCBUY,d+CSELL,d+CCOM,d+CM,d(64)
wherein the content of the first and second substances,
is a vector of time-of-use electricity price, time-of-use heat price and natural gas price,
up regulation compensation, down regulation compensation, respectively, L (t) ═ Le(t),Lh(t)]TIs vector representation of electric load and thermal load in t period, IL (t) is flexible load response in t period, S (t) represents all types of external energy input in t period, CBUYRepresenting the electricity purchase charge, CSELLRepresenting the income of selling electricity, CCOMThe compensation cost of power adjustment paid to the comprehensive energy service provider by the representative distribution network is phi which is a coupling matrix P(t)Which represents the input power of the energy converter,
representing planned power of electricity purchasing port, cmRepresenting the cost per unit energy charged/discharged from the energy storage, the physical meaning of which is the influence of charging/discharging on the life of the stored energy, Qch(t) represents the respective energy storage and discharge powers, Qdis(t) represents the discharge power of each stored energy.
According to one embodiment of the application, the distribution network represents a load node in the main network. The DSO considers the IESPs regulation domain, calls adjustable resources provided by the IESPs in the jurisdiction area, and makes a day-ahead plan of the exchange power of the IESPs access points, so that the peak-valley difference of the exchange power of the main network access point is minimum, and the DSO also makes a time-of-use electricity price provided for the IESPs; the objective function of the comprehensive demand response market clearing is:
min CDIFF+CCUR+CCOM(69)
the objective function of the network layer is composed of three terms, the first term CDIFFIs a penalty for major network junction peak-to-valley differences, where κDIFFPenalty (in/MW), P, in units of peak-to-valley differencepcc(t) represents the switching power of the main network connection point at time t,
the auxiliary variable represents the maximum value of the power of the main network connection point in one day; second item CCURIs a penalty of incomplete consumption of renewable energy sources, wherein
Represents a collection of renewable energy sources that are,
represents the predicted power value of the w-th renewable energy source at the time t,
is the corresponding actual output value; third item CCOMThe network operator pays the energy balance to the energy supplier, wherein
Representing an integrated energy facilitatorIn the collection of the images, the image data is collected,
compensation (element/MW) of electric power up regulation, electric power down regulation, thermal power up regulation and thermal power down regulation of the d-th comprehensive energy service provider in the t period respectively,
respectively the planned value (MW), P of commercial power and heat exchange power of the d-th integrated energy serviced(t)、Hd(t) are the corresponding actual values, respectively.
According to one embodiment of the present application, since the flow direction of the water flow of the heat supply network is not changed in general, the heat supply network can be represented by a directional diagram by defining the flow direction of the water flow as a positive direction. A node heat balance equation and a heat loss balance equation are adopted to replace the traditional nonlinear mode which needs complex hydraulic calculation. Therefore, the comprehensive demand response market-clear power flow constraint conditions of the heat distribution network, namely the node thermal power balance constraint conditions, are as follows:
wherein the content of the first and second substances,
respectively is an adjacent node set corresponding to the inlet edge of the ith heat supply node of the distribution network heat supply pipe network, an adjacent node set corresponding to the outlet edge, a subordinate comprehensive energy service provider set Hij、
λijRespectively the thermal power (MW), the thermal power loss (MW), the thermal loss coefficient (MW/km), H of the initial end of the pipeline (i, j)φIs a CHP machineHeating power (MW), H of the groupdAnd the thermal power of the contact node of the comprehensive energy service provider is provided.
According to an embodiment of the present application, the power distribution network flow constraint condition of the comprehensive demand response market clearing model is:
(1-ρ)V0 2≤Wd,i(t)≤(1+ρ)V0 2(80)
0≤Pd,j(t)≤Pd,j max(81)
wherein the content of the first and second substances,
respectively is an adjacent node set corresponding to the input edge, an adjacent node set corresponding to the output edge, a subordinate comprehensive energy service provider set, a subordinate renewable energy set, a subordinate CHP set and Q of the ith node of the distribution network power network frameij、
Rij、Xij、Pij maxAre respectively a line(i,j)The active power, the reactive power, the active power loss, the reactive power loss, the resistance, the inductive reactance, the line active rating of the terminal,
are respectively a line(i,j)Voltage square value, V, of the start and end nodes of0Is the node voltage rating. Pd、QdActive and reactive power, P, for the contact nodes of the integrated energy service providerφ、QφThe active power and the reactive power of the CHP unit.
According to an embodiment of the present application, the CHP unit output constraint condition of the integrated demand response market clearing model is:
Hφ(t)＝kφPφ(t) (84)
-RDφ≤(Pφ(t)-Pφ(t-1))/Δt≤RUφ(85)
the output constraint of the CHP unit comprises an active and reactive output upper and lower limit constraint, a thermoelectric ratio constraint and a climbing constraint, wherein,
respectively represents the upper and lower limits of the active output of the unit phi,
respectively represent the upper and lower reactive power output limits of the unit phi, RDφ、RUφRespectively representing the maximum landslide power and the climbing power of the unit phi per hour.
According to one embodiment of the present application, the renewable energy output constraint of the integrated demand response market clearing model is:
wherein the content of the first and second substances,
in order to predict the output of the renewable energy,
the actual value of the output of the renewable energy source is;
according to one embodiment of the present application, the integrated energy facilitator regulatory domain constraint of the integrated demand response market clearing model is:
the IESP regulation domain quantitatively describes the maximum adjustable power, the maximum ramp rate of the adjustable power and the maximum energy storage capacity which can be provided by the IESPs for the distribution network; wherein the content of the first and second substances, d,ψP(t)、
respectively the lower limit and the upper limit of the psi IESP electricity purchasing power (MW) in the t period, d,ψH(t)、
respectively as the lower limit and the upper limit of the psi th IESP heating power (MW) in the t period,
respectively is the lower limit and the upper limit of the psi th IESP electricity purchasing power change rate (MW/h) in the t period,
respectively is the lower limit and the upper limit of the psi th IESP heat purchasing power change rate (MW/h) in the t period,
respectively is the lower limit and the upper limit of the psi th IESP virtual electric energy storage capacity (MWh) in the t period,
the t period is the lower limit and the upper limit of the psi th IESP virtual thermal energy storage capacity (MWh), respectively.
According to one embodiment of the application, the clearing process of the comprehensive demand response market is as follows;
s31: the comprehensive energy service provider calculates a reference energy utilization plan P according to the user energy utilization prediction and the outdoor temperature predictiond(t)、Hd(t) further calculating regulatory domains (24) - (29) and adjusting the power bid r according to the calculation units of equations (31) - (34)+(t)、r-(t), reporting the information to a network operator;
s32: the network operator collects the information reported by each comprehensive energy service provider, solves the optimization problems (6) - (29), and issues the power regulation plan
Giving the comprehensive energy service providers;
s33: each integrated energy service provider solves the optimization problem M and updates the quotation r correspondingly according to the formulas (31) - (34)+(t)、r-(t), reporting the information to a network operator;
s34: and comparing the two quotes before and after the comparison by the network operator, if the difference value is smaller than the threshold value, ending the clearing process, and otherwise, executing the step S32 again.
Wherein the optimization problem M is:
the quotation updating strategy of the comprehensive energy service provider is as follows:
finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. A comprehensive energy service provider market clearing method based on an electric power market is characterized by comprising the following steps:
s1: constructing a comprehensive demand response market structure participated by a comprehensive energy service provider;
s2: establishing a comprehensive demand response market clearing model;
s3: and carrying out a clearing process of the comprehensive demand response market.
2. The electric power market-based energy market clearing method of claim 1, wherein in step S1, each energy market provider submits its own regulatory domain, gateway power plan value, and gateway power adjustment offer to the network operator, who performs market clearing with the goal of minimizing the difference between the peak and the valley of the exchange power of the main network access point, and feeds back the adjusted energy use plan to each market member.
3. The electric power market-based method for clearing the market of the integrated energy service provider according to claim 2, wherein under the guidance of time-of-use electricity price, up-regulation compensation and down-regulation compensation provided by the network operator, the integrated energy service provider maximizes the total profit of the integrated energy service provider by adjusting the output of the CHP machine set, responding to flexible load, controlling the indoor temperature of the building, charging and discharging energy of stored energy, and providing the exchange power for the network operator, and the objective function is as follows:
min CBUY,d+CSELL,d+CCOM,d+CM,d(1)
wherein the content of the first and second substances,
is a vector of time-of-use electricity price, time-of-use heat price and natural gas price,
up regulation compensation, down regulation compensation, respectively, L (t) ═ Le(t),Lh(t)]TIs vector representation of electric load and thermal load in t period, IL (t) is flexible load response in t period, S (t) represents all types of external energy input in t period, CBUYRepresenting the electricity purchase charge, CSELLRepresenting the income of selling electricity, CCOMThe compensation cost of power adjustment paid to the comprehensive energy service provider by the representative distribution network is phi which is a coupling matrix P(t)Which represents the input power of the energy converter,
representing planned power of electricity purchasing port, cmRepresenting the cost per unit energy charged/discharged from the energy storage, the physical meaning of which is the influence of charging/discharging on the life of the stored energy, Qch(t) represents the respective energy storage and discharge powers, Qdis(t) represents the discharge power of each stored energy.
4. The electric power market-based integrated energy facilitator market clearing method of claim 3, wherein the objective function of the integrated demand response market clearing is:
min CDIFF+CCUR+CCOM(6)
CDIFFis a penalty for major network junction peak-to-valley differences, where κDIFFTo representPenalty per unit peak-to-valley difference, Ppcc(t) represents the switching power of the main network connection point at time t,
the auxiliary variable represents the maximum value of the power of the main network connection point in one day; cCURIs a penalty of incomplete consumption of renewable energy sources, wherein
Represents a collection of renewable energy sources that are,
represents the predicted power value of the w-th renewable energy source at the time t,
is the corresponding actual output value; cCOMThe network operator pays the energy balance to the energy supplier, wherein
On behalf of the set of integrated energy service providers,
respectively compensating electric power up-regulation, electric power down-regulation, thermal power up-regulation and thermal power down-regulation of the d-th comprehensive energy service provider in the t period,
respectively the planned values of the business electricity and heat exchange power of the d-th integrated energy serviced(t)、Hd(t) are the corresponding actual values, respectively.
5. The electric power market-based integrated energy facilitator market clearing method of claim 4, wherein said integrated demand response market-cleared distribution network flow constraints are:
wherein the content of the first and second substances,
respectively is an adjacent node set corresponding to the inlet edge of the ith heat supply node of the distribution network heat supply pipe network, an adjacent node set corresponding to the outlet edge, a subordinate comprehensive energy service provider set Hij、
λijRespectively the initial thermal power, thermal power loss, thermal loss coefficient, H of the pipeline (i, j)φFor the heat supply power of the CHP unit, HdAnd the thermal power of the contact node of the comprehensive energy service provider is provided.
6. The electric power market-based integrated energy facilitator market clearing method of claim 5, wherein the distribution grid power flow constraints of the integrated demand response market clearing model are:
(1-ρ)V0 2≤Wd,i(t)≤(1+ρ)V0 2(17)
0≤Pd,j(t)≤Pd,j max(18)
wherein the content of the first and second substances,
respectively is an adjacent node set corresponding to the input edge, an adjacent node set corresponding to the output edge, a subordinate comprehensive energy service provider set, a subordinate renewable energy set, a subordinate CHP set and Q of the ith node of the distribution network power network frameij、
Rij、Xij、Pij maxRespectively the active power, reactive power, active power loss, reactive power loss, resistance, inductance and line active rated value of the tail end of the line (i, j),
the voltage squares, V, of the start and end nodes of the line (i, j), respectively0Is the node voltage rating. Pd、QdActive and reactive power, P, for the contact nodes of the integrated energy service providerφ、QφThe active power and the reactive power of the CHP unit.
7. The electric power market-based integrated energy facilitator market clearing method of claim 6, wherein the CHP unit output constraints of the integrated demand response market clearing model are:
Hφ(t)＝kφPφ(t) (21)
-RDφ≤(Pφ(t)-Pφ(t-1))/Δt≤RUφ(22)
wherein the content of the first and second substances,
respectively represents the upper and lower limits of the active output of the unit phi,
respectively represent the upper and lower reactive power output limits of the unit phi, RDφ、RUφRespectively representing the maximum landslide power and the climbing power of the unit phi per hour.
8. The electric power market-based integrated energy facilitator market clearing method of claim 7, wherein the renewable energy output constraints of the integrated demand response market clearing model are:
wherein the content of the first and second substances,
in order to predict the output of the renewable energy,
the actual value of the output of the renewable energy source is obtained.
9. The electric power market-based marketplace clearing method for integrated energy providers of claim 8, wherein the integrated demand response marketplace clearing model has integrated energy provider regulatory domain constraints of:
wherein the content of the first and second substances, d,ψP(t)、
respectively is the lower limit and the upper limit of the power purchased by the psi-th comprehensive energy service provider in the t period, d,ψH(t)、
respectively is the lower limit and the upper limit of the commercial heat purchasing power of the psi-th comprehensive energy service in the t period,
respectively is the lower limit and the upper limit of the power purchasing change rate of the psi th comprehensive energy service provider in the t period,
respectively is the lower limit and the upper limit of the heat purchasing power change rate of the psi-th comprehensive energy service in the t period,
respectively is the lower limit and the upper limit of the virtual electric energy storage capacity of the psi th comprehensive energy service provider in the t period,
and the lower limit and the upper limit of the virtual heat energy storage capacity of the psi th comprehensive energy service provider in the t period are respectively.
10. The electric power market-based integrated energy facilitator market clearing method of claim 8, wherein the clearing process of the integrated demand response market is;
s31: the comprehensive energy service provider calculates a reference energy utilization plan P according to the user energy utilization prediction and the outdoor temperature predictiond(t)、Hd(t) further calculating regulatory domains (24) - (29) and adjusting the power bid r according to the calculation units of equations (31) - (34)+(t)、r-(t), reporting the information to a network operator;
s32: the network operator collects the information reported by each comprehensive energy service provider, solves the optimization problems (6) - (29), and issues the power regulation plan
Giving the comprehensive energy service providers;
s33: each comprehensive energy service provider solves the optimization problem MThe quote r is updated accordingly as in equations (31) - (34)+(t)、r-(t), reporting the information to a network operator;
s34: and comparing the two quotes before and after the comparison by the network operator, if the difference value is smaller than the threshold value, ending the clearing process, and otherwise, executing the step S32 again.
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