CN111860994B - Spot market transaction method and device considering that two sides participate in peak shaving - Google Patents

Spot market transaction method and device considering that two sides participate in peak shaving Download PDF

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CN111860994B
CN111860994B CN202010677896.2A CN202010677896A CN111860994B CN 111860994 B CN111860994 B CN 111860994B CN 202010677896 A CN202010677896 A CN 202010677896A CN 111860994 B CN111860994 B CN 111860994B
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CN111860994A (en
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任景
薛晨
马晓伟
吴春燕
张小东
何凯
陈雨果
薛斌
汪洋
王鹏
李俊
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Northwest Branch Of State Grid Corp Of China
Beijing Tsintergy Technology Co ltd
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Beijing Tsintergy Technology Co ltd
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Abstract

The invention discloses a spot market transaction method and a spot market transaction device considering that two sides of a transaction are involved in peak shaving, wherein the method comprises the following steps: carrying out transaction declaration according to transaction information issued by a market operation mechanism; wherein the transaction declaration includes: spot market trade reporting and peak shaving trade reporting; according to a preset day-ahead market clearing model, carrying out day-ahead market trade clearing on the trade declaration, and generating a day-ahead market trade clearing result; and executing real-time market trade clearing on the trade declaration according to a preset real-time market clearing model to generate a real-time market trade clearing result. The invention can combine the deep peak regulation of the power generation side, the peak regulation of the user side, the renewable energy source absorption and the spot market, fully explore the peak regulation capacity of the two sides for development and improve the new energy source absorption level.

Description

Spot market transaction method and device considering that two sides participate in peak shaving
Technical Field
The invention relates to the technical field of electric power markets, in particular to a spot market trading method and device considering that two sides participate in peak shaving.
Background
With the increasing of the installation ratio of new energy, the elimination of new energy faces serious challenges. Aiming at the problem of insufficient peak shaving capacity of the system, auxiliary service market construction needs to be promoted, demand side management is introduced, peak shaving potential of a conventional unit is deeply mined, users are guided to participate in peak shaving and valley filling, and new energy consumption is enlarged. The power generation side is limited in peak regulation resource due to the influence of the output limit of the unit and the performance of the unit. In the market environment of the electricity selling side, the demand response function of the electricity user is positively exerted, the enthusiasm of the user side for participating in peak regulation auxiliary service is comprehensively stimulated in the design of a market mechanism, and peak regulation resources are provided for the system to eliminate new energy.
However, only the power generation side depth peak shaving or the user side depth peak shaving is considered, and the problems of insufficient peak shaving capacity of a system, difficult new energy consumption and serious wind and light discarding phenomena can not be well solved.
Disclosure of Invention
The purpose of the invention is that: aiming at the problems of insufficient peak regulation capability, difficult new energy consumption and serious wind and light abandoning phenomena of a system, the invention designs a spot market mode which considers the participation of two sides in peak regulation, and combines the deep peak regulation of a power generation side, the peak regulation of a user side and the energy consumption of renewable energy with the spot market, fully exploits the peak regulation capability of the two sides for the development, and improves the new energy consumption level. Meanwhile, the invention also constructs a spot market clearing model considering that two sides participate in peak shaving, realizes joint modeling of peak shaving market and spot market clearing, and solves the problem that climbing constraint of the thermal power unit is difficult to consider when two markets independently operate.
In order to achieve the above object, the present invention provides a spot market trading method considering that two sides participate in peak shaving, including:
carrying out transaction declaration according to transaction information issued by a market operation mechanism; wherein the transaction declaration includes: spot market trade reporting and peak shaving trade reporting;
according to a preset day-ahead market clearing model, carrying out day-ahead market trade clearing on the trade declaration, and generating a day-ahead market trade clearing result; wherein, the daily market trade clearing result comprises: the next day thermal power unit output plan and clear price, the power quantity of the thermal power unit with the peak winning and peak shaving, the power quantity of the peak shaving and peak shaving in the user and clear price of the peak shaving market are flexibly adjusted;
executing real-time market trade clearing to the trade declaration according to a preset real-time market clearing model to generate a real-time market trade clearing result; wherein, the real-time market transaction clearing result comprises: the thermal power unit output plan and clear price of 15 minutes to 2 hours in the future, the standard peak regulation electric quantity of the deep peak regulation thermal power unit, the standard peak regulation electric quantity of a user and clear price of the peak regulation market are flexibly adjusted.
Further, the spot market trade reporting is to perform energy quotation, specifically: the thermal power generating unit declares a monotonically non-decreasing multi-section electric energy-price curve before the day, and each section is required to declare a starting point of a power output section, a finishing point of the power output section and a quotation of the section.
Further, the peak shaving transaction declaration is to perform peak shaving quotation, specifically: the thermal power generating unit participating in deep peak shaving adopts a form of down-regulating capacity ratio on the basis of paid peak shaving reference, a monotonically non-decreasing multi-section peak shaving contribution-price curve is declared on the basis of load reference on the basis of day, and each section of curve comprises a peak shaving contribution starting point, a peak shaving end point and a quotation of the section.
Further, the preset day-ahead market clearing model is composed of a first objective function and a first constraint condition.
Further, the first objective function includes: the method comprises the steps of generating cost and starting and stopping cost of the thermal power generating unit, flexibly adjusting user peak regulation cost, inflexibly adjusting user peak regulation cost, depth peak regulation cost of the thermal power generating unit and discarding wind and light penalty; the specific formula is as follows:
in the method, in the process of the invention,Iis the number of the thermal power generating units,Nthe total number of segments for quoting the energy of the thermal power generating unit,p G i,n andP G i,t,n respectively represent thermal power generating unitsiIs the first of (2)nSegment energy quotation and in-time periodtIs the winning amount of electricity;α i,t andβ i,t respectively represent thermal power generating unitsiAt the position oftThe start-stop cost coefficient of the time period is 0-1 variable,U G on,i andU G off,i respectively represent thermal power generating unitsiIs not limited by the starting and stopping costs of the device;Jin order to flexibly adjust the total number of users,Hto flexibly adjust the total number of quotations for the user,p U1 j,t,h andP U1 j,t,h representing flexible adjustment users, respectivelyjAt the position oftTime period of firsthThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Fin order to not flexibly adjust the total number of users,Rto inflexibly adjust the total number of offers to the user,p U2 f,t,h andP U2 f,t,h representing inflexible adjustment users, respectivelyfAt the position oftTime period of firstrThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Mthe total number of the energy quotations of the thermal power generating unit participating in the deep peak shaving is represented,r G i,t,m andR G i,t,m respectively represent thermal power generating unitsiAt the position oftTime period of firstmThe energy quotation of the peak shaving of the depth of the section and the bid amount of the peak shaving;KandVfor the number of wind power and photovoltaic applications,λrepresents the wind-abandoning and light-abandoning penalty factors,P W k,t indicating fankAt the position oftThe waste wind power in the time period,P S v,t representing photovoltaicvAt the position oftThe light discarding electric quantity of the time period;w 1 andw 2 is a weight coefficient.
Further, the first constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions; wherein, the system load balancing constraint is specifically:
in the method, in the process of the invention,P W,F k,t andP S,F v,t respectively represent wind powerkAnd a photovoltaic devicevAt the position oftThe predicted force of the time period is calculated,Dtrepresentation oftA system total load prediction value of the time period; the left side of the equation is the total output force of thermal power, wind power and photovoltaic, and the right side of the equation is the total load of the system;
the line active power flow constraint is specifically as follows:
in the method, in the process of the invention,G G i,l 、G W k,l 、G S v,l 、G D b,l 、G U1 j,l 、G U2 f,l respectively represent thermal power generating unitsiWind power generationkPhotovoltaic (PV)vLoad ofb、j、fNode pair circuitlIs characterized by that the power generation transfer distribution factor of (a),f l,max andf l,min respectively represent lineslMaximum and minimum transmission power of (a);
the depth peak regulation constraint of the thermal power generating unit is specifically as follows:
in the method, in the process of the invention,P i min representing thermal power unitsiIs provided with a minimum technical effort to be applied,τ i,t representing thermal power unitsiIn the time periodtIs in a state of starting and stopping the machine,τ i,t the symbol =1 indicates power on,τ i,t =0 indicates shutdown.
Further, the preset real-time market finding model is composed of a second objective function and a second constraint condition.
Further, the second objective function includes: the power generation cost of the thermal power generating unit, the user peak regulation cost, the thermal power generating unit depth peak regulation cost and the waste wind and waste light punishment are flexibly adjusted; the specific formula is as follows:
in the method, in the process of the invention,Iis the number of the thermal power generating units,Nthe total number of segments for quoting the energy of the thermal power generating unit,p G i,n andP G i,t,n respectively represent thermal power generating unitsiIs the first of (2)nSegment energy quotation and in-time periodtIs the winning amount of electricity;Jin order to flexibly adjust the total number of users,Hto flexibly adjust the total number of quotations for the user,p U1 j,t,h andP U1 j,t,h representing flexible adjustment users, respectivelyjAt the position oftTime period of firsthThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Mthe total number of the energy quotations of the thermal power generating unit participating in the deep peak shaving is represented,r G i,t,m andR G i,t,m respectively represent thermal power generating unitsiAt the position oftTime period of firstmThe energy quotation of the peak shaving of the depth of the section and the bid amount of the peak shaving;KandVfor the number of wind power and photovoltaic applications,λrepresents the wind-abandoning and light-abandoning penalty factors,P W k,t indicating fankAt the position oftThe waste wind power in the time period,P S v,t representing photovoltaicvAt the position oftThe light discarding electric quantity of the time period;w 1 andw 2 is a weight coefficient.
Further, the second constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions; wherein, the system load balancing constraint is specifically:
in the method, in the process of the invention,representing inflexible tuning users in the day-ahead marketfAt the position oftTime period ofrThe winning amount of the section peak shaving quotation;
the line active power flow constraint is specifically as follows:
the depth peak regulation constraint of the thermal power generating unit is specifically as follows:
the embodiment of the invention also provides a spot market transaction device considering that two sides participate in peak shaving, comprising:
the transaction reporting module is used for conducting transaction reporting according to the transaction information issued by the market operation mechanism; wherein the transaction declaration includes: spot market trade reporting and peak shaving trade reporting;
the daily market clearing module is used for executing daily market trade clearing on the trade declaration according to a preset daily market clearing model to generate a daily market trade clearing result; wherein, the daily market trade clearing result comprises: the next day thermal power unit output plan and clear price, the power quantity of the thermal power unit with the peak winning and peak shaving, the power quantity of the peak shaving and peak shaving in the user and clear price of the peak shaving market are flexibly adjusted;
the real-time market clearing module is used for executing real-time market transaction clearing on the transaction declaration according to a preset real-time market clearing model to generate a real-time market transaction clearing result; wherein, the real-time market transaction clearing result comprises: the thermal power unit output plan and clear price of 15 minutes to 2 hours in the future, the standard peak regulation electric quantity of the deep peak regulation thermal power unit, the standard peak regulation electric quantity of a user and clear price of the peak regulation market are flexibly adjusted.
Compared with the prior art, the spot market trading device considering that the two sides participate in peak shaving has the beneficial effects that:
carrying out transaction declaration according to transaction information issued by a market operation mechanism; wherein the transaction declaration includes: spot market trade reporting and peak shaving trade reporting; according to a preset day-ahead market clearing model, carrying out day-ahead market trade clearing on the trade declaration, and generating a day-ahead market trade clearing result; and executing real-time market trade clearing on the trade declaration according to a preset real-time market clearing model to generate a real-time market trade clearing result. The invention can combine the deep peak regulation of the power generation side, the peak regulation of the user side, the renewable energy source absorption and the spot market, fully explore the peak regulation capacity of the two sides for development and improve the new energy source absorption level.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a spot market trading method considering that two sides participate in peak shaving according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a spot-market trading device according to a second embodiment of the present invention, which considers that two sides participate in peak shaving.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
First embodiment of the present invention:
as shown in fig. 1, a spot market transaction method considering that two sides participate in peak shaving according to a preferred embodiment of the present invention at least includes the following steps:
S101. carrying out transaction declaration according to transaction information issued by a market operation mechanism; wherein the transaction declaration includes: spot market trade reporting and peak shaving trade reporting;
S102. according to a preset day-ahead market clearing model, carrying out day-ahead market trade clearing on the trade declaration, and generating a day-ahead market trade clearing result; wherein, the daily market trade clearing result comprises: the next day thermal power unit output plan and clear price, the power quantity of the thermal power unit with the peak winning and peak shaving, the power quantity of the peak shaving and peak shaving in the user and clear price of the peak shaving market are flexibly adjusted;
S103. executing real-time market trade clearing to the trade declaration according to a preset real-time market clearing model to generate a real-time market trade clearing result; wherein, the real-time market transaction clearing result comprises: the thermal power unit output plan and clear price of 15 minutes to 2 hours in the future, the standard peak regulation electric quantity of the deep peak regulation thermal power unit, the standard peak regulation electric quantity of a user and clear price of the peak regulation market are flexibly adjusted.
The spot market trade is an important component of the complete electric power market system, and plays a role in finding the price of electric power commodity together with the medium-term market. That is, by evaluating the past year spot price and predicting factors that may affect the cost in the future, both parties who intend to trade power for a long period of time can talk about a price that both parties accept. The spot market provides a marketizing means for short-term supply and demand balance of electric power. That is, we sign a medium-long term contract with the power generator according to the power consumption prediction, but the amount of electricity required by the actual power consumption is not necessarily equal to the medium-long term contract, so that more or less power is required to be "restocked" or "sold" in the spot market, and the short-term supply and demand balance of power is realized. The spot market can be compatible with the characteristics of fluctuation, randomness and the like of new energy sources, and is beneficial to expanding the new energy source absorption space.
In one embodiment of the invention, for the steps ofS101, conducting transaction declaration according to transaction information issued by a market operation mechanism; wherein the transaction declaration includes: spot market trade reporting and peak shaving trade reporting; the method comprises the following steps:
the spot market and the peak shaving auxiliary service market are jointly optimized by considering the spot market mode of two sides participating in peak shaving. The peak shaving auxiliary service comprises deep peak shaving of the thermal power unit and peak shaving of a user side. Users providing peak shaving assistance services are classified into flexibly adjusted users and inflexibly adjusted users depending on whether they have the ability to track real-time scheduling instructions. In the peak shaving auxiliary service market, the thermal power generating unit and the flexible adjustment user are executed according to the real-time market clearing result; the inflexible adjustment of the user does not participate in the real-time market, is performed according to the daily market clearing result, which is used as a boundary condition of the real-time market.
In one embodiment of the invention, for the steps ofS102, executing the daily market trade clearing for the trade declaration according to a preset daily market clearing model, and generating a daily market trade clearing result; wherein, the daily market trade clearing result comprises: the next day thermal power unit output plan, price and power quantity of winning peak regulation in deep peak regulation thermal power unit, and flexible adjustment of winning peak regulation in usersThe electric quantity is not flexibly adjusted, and the peak regulation electric quantity and the clear price of the peak regulation market in the user are marked; the method comprises the following steps:
before market opening in the day, the market operation mechanism issues information such as boundary conditions of transactions; the thermal power generating unit performs spot market declaration; the thermal power generating unit which is intentionally participated in the peak shaving market carries out peak shaving transaction declaration according to the self-capacity of a user; wherein, the spot market declares that the energy quotation is carried out. The thermal power generating unit declares a monotonically non-decreasing multi-section electric energy-price curve before the day, and each section is required to declare a starting point of a power output section, a finishing point of the power output section and a quotation of the section.
Wherein, peak shaving trade declares that peak shaving quotation is carried out. The thermal power generating unit participating in the deep peak regulation adopts a form of down-regulating capacity ratio on the basis of paid peak regulation standard in the future, and declares a monotonically non-decreasing multi-section peak regulation contribution-price curve. The user participating in peak shaving adopts a form of calling up the electric load on the basis of the load standard in the day before, and declares a monotonically non-decreasing multi-section peak shaving contribution-price curve. Each segment of the curve contains the peak shaver contribution start point, end point and the quotation for that interval.
The market operation mechanism executes market trade clearing in the day and generates a trade clearing result, wherein the trade clearing result comprises the output plan and clearing price of the thermal power unit in the next day, the winning peak-regulation electric quantity in the deep peak-regulation thermal power unit, the winning peak-regulation electric quantity in the user and the clearing price of the peak-regulation market.
In one embodiment of the invention, for the steps ofS103, executing real-time market trade clearing on the trade declaration according to a preset real-time market clearing model to generate a real-time market trade clearing result; wherein, the real-time market transaction clearing result comprises: the power generation unit output plan and the clearing price of the thermal power generation unit in 15 minutes to 2 hours in the future, the peak regulation electric quantity in the deep peak regulation thermal power generation unit, the peak regulation electric quantity in the user and the clearing price of the peak regulation market are flexibly adjusted; the method comprises the following steps:
the real-time market is cleared by adopting quotation information stored in the market in the day-ahead; inflexibly adjusting that users do not participate in the real-time market, and taking the clear result of the market in the day-ahead as the boundary condition of the real-time market; the market operation mechanism executes real-time market transaction clearing and generates transaction clearing results, wherein the transaction clearing results comprise a thermal power unit output plan and clearing price of 15 minutes to 2 hours in the future, the winning peak regulation electric quantity in the deep peak regulation thermal power unit, and the winning peak regulation electric quantity and the peak regulation market clearing price in a user are flexibly regulated.
In one embodiment of the present invention, the preset day-ahead market clearing model is composed of a first objective function and a first constraint condition; the method comprises the following steps:
the first objective function includes: the method comprises the steps of generating cost and starting and stopping cost of the thermal power generating unit, flexibly adjusting user peak regulation cost, inflexibly adjusting user peak regulation cost, depth peak regulation cost of the thermal power generating unit and abandoned wind and abandoned light punishment; the specific formula is as follows:
in the method, in the process of the invention,Iis the number of the thermal power generating units,Nthe total number of segments for quoting the energy of the thermal power generating unit,p G i,n andP G i,t,n respectively represent thermal power generating unitsiIs the first of (2)nSegment energy quotation and in-time periodtIs the winning amount of electricity;α i,t andβ i,t respectively represent thermal power generating unitsiAt the position oftThe start-stop cost coefficient of the time period is 0-1 variable,U G on,i andU G off,i respectively represent thermal power generating unitsiIs not limited by the starting and stopping costs of the device;Jin order to flexibly adjust the total number of users,Hto flexibly adjust the total number of quotations for the user,p U1 j,t,h andP U1 j,t,h representing flexible adjustment users, respectivelyjAt the position oftTime period of firsthThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Fin order to not flexibly adjust the total number of users,Rto inflexibly adjust the total number of offers to the user,p U2 f,t,h andP U2 f,t,h representing inflexible adjustment users, respectivelyfAt the position oftTime period of firstrThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Mrepresenting thermal power machineThe total number of segments of the energy quote that are involved in deep peaking,r G i,t,m andR G i,t,m respectively represent thermal power generating unitsiAt the position oftTime period of firstmThe energy quotation of the peak shaving of the depth of the section and the bid amount of the peak shaving;KandVfor the number of wind power and photovoltaic applications,λrepresents the wind-abandoning and light-abandoning penalty factors,P W k,t indicating fankAt the position oftThe waste wind power in the time period,P S v,t representing photovoltaicvAt the position oftThe light discarding electric quantity of the time period;w 1 andw 2 is a weight coefficient.
The first constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions; wherein, the system load balancing constraint is specifically:
in the method, in the process of the invention,P W,F k,t andP S,F v,t respectively represent wind powerkAnd a photovoltaic devicevAt the position oftThe predicted force of the time period is calculated,D t representation oftA system total load prediction value of the time period; the left side of the equation is the total output force of thermal power, wind power and photovoltaic, and the right side of the equation is the total load of the system;
the line active power flow constraint is specifically as follows:
in the method, in the process of the invention,G G i,l 、G W k,l 、G S v,l 、G D b,l 、G U1 j,l 、G U2 f,l respectively represent thermal power generating unitsiWind power generationkPhotovoltaic (PV)vLoad ofb、j、fNode pair circuitlIs characterized by that the power generation transfer distribution factor of (a),f l,max andf l,min respectively represent lineslMaximum and minimum transmission power of (a);
the depth peak regulation constraint of the thermal power generating unit is specifically as follows:
in the method, in the process of the invention,P i min representing thermal power unitsiIs provided with a minimum technical effort to be applied,τ i,t representing thermal power unitsiIn the time periodtIs in a state of starting and stopping the machine,τ i,t the symbol =1 indicates power on,τ i,t =0 indicates shutdown.
The conventional unit combination constraint condition is a conventional technical means.
In one embodiment of the present invention, the preset real-time market clearing model is composed of a second objective function and a second constraint condition; the method comprises the following steps:
the second objective function includes: the power generation cost of the thermal power generating unit, the user peak regulation cost, the thermal power generating unit depth peak regulation cost and the waste wind and waste light punishment are flexibly adjusted; the specific formula is as follows:
in the method, in the process of the invention,Iis the number of the thermal power generating units,Nthe total number of segments for quoting the energy of the thermal power generating unit,p G i,n andP G i,t,n respectively represent thermal power generating unitsiIs the first of (2)nSegment energy quotation and in-time periodtIs the winning amount of electricity;Jin order to flexibly adjust the total number of users,Hto flexibly adjust the total number of quotations for the user,p U1 j,t,h andP U1 j,t,h representing flexible adjustment users, respectivelyjAt the position oftTime period of firsthThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Mthe total number of the energy quotations of the thermal power generating unit participating in the deep peak shaving is represented,r G i,t,m andR G i,t,m respectively represent thermal power generating unitsiAt the position oftTime period of firstmThe energy quotation of the peak shaving of the depth of the section and the bid amount of the peak shaving;KandVfor the number of wind power and photovoltaic applications,λrepresents the wind-abandoning and light-abandoning penalty factors,P W k,t indicating fankAt the position oftThe waste wind power in the time period,P S v,t representing photovoltaicvAt the position oftThe light discarding electric quantity of the time period;w 1 andw 2 is a weight coefficient.
In one embodiment of the present invention, the second constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions; wherein, the system load balancing constraint is specifically:
in the method, in the process of the invention,representing inflexible tuning users in the day-ahead marketfAt the position oftTime period ofrThe winning amount of the section peak shaving quotation;
the line active power flow constraint is specifically as follows:
the depth peak regulation constraint of the thermal power generating unit is specifically as follows:
the conventional unit combination constraint condition is a conventional technical means.
The embodiment of the invention provides a spot market transaction method considering that two sides participate in peak shaving, which comprises the following steps: carrying out transaction declaration according to transaction information issued by a market operation mechanism; wherein the transaction declaration includes: spot market trade reporting and peak shaving trade reporting; according to a preset day-ahead market clearing model, carrying out day-ahead market trade clearing on the trade declaration, and generating a day-ahead market trade clearing result; and executing real-time market trade clearing on the trade declaration according to a preset real-time market clearing model to generate a real-time market trade clearing result. The invention can combine the deep peak regulation of the power generation side, the peak regulation of the user side, the renewable energy source absorption and the spot market, fully explore the peak regulation capacity of the two sides for development and improve the new energy source absorption level.
Second embodiment of the present invention:
as shown in fig. 2, a spot market transaction device 200 according to an embodiment of the present invention, which considers two sides participating in peak shaving, includes a transaction declaration module 201, a day-before market clearing module 202, and a real-time market clearing module 203;
the transaction declaration module 201 is used for declaring a transaction according to the transaction information issued by the market operation mechanism; wherein the transaction declaration includes: spot market trade reporting and peak shaving trade reporting;
the daily market clearing module 202 is configured to execute daily market trade clearing on the trade declaration according to a preset daily market clearing model, and generate a daily market trade clearing result; wherein, the daily market trade clearing result comprises: the next day thermal power unit output plan and clear price, the power quantity of the thermal power unit with the peak winning and peak shaving, the power quantity of the peak shaving and peak shaving in the user and clear price of the peak shaving market are flexibly adjusted;
the real-time market clearing module 203 is configured to execute real-time market transaction clearing on the transaction declaration according to a preset real-time market clearing model, and generate a real-time market transaction clearing result; wherein, the real-time market transaction clearing result comprises: the thermal power unit output plan and clear price of 15 minutes to 2 hours in the future, the marked peak regulation electric quantity of the deep peak regulation thermal power unit, the marked peak regulation electric quantity of a user and clear price of the peak regulation market are flexibly adjusted.
The spot market transaction device 200 according to the embodiment of the present invention, which considers that two sides participate in peak shaving, includes: the system comprises a transaction declaration module 201, a day-ahead market clearing module 202 and a real-time market clearing module 203; the transaction declaration module 201 is used for declaring a transaction according to the transaction information issued by the market operation mechanism; wherein the transaction declaration includes: spot market trade reporting and peak shaving trade reporting; the daily market clearing module 202 is configured to execute daily market trade clearing on the trade declaration according to a preset daily market clearing model, and generate a daily market trade clearing result; wherein, the daily market trade clearing result comprises: the next day thermal power unit output plan and clear price, the power quantity of the thermal power unit with the peak winning and peak shaving, the power quantity of the peak shaving and peak shaving in the user and clear price of the peak shaving market are flexibly adjusted; the real-time market clearing module 203 is configured to execute real-time market transaction clearing on the transaction declaration according to a preset real-time market clearing model, and generate a real-time market transaction clearing result; wherein, the real-time market transaction clearing result comprises: the thermal power unit output plan and clear price of 15 minutes to 2 hours in the future, the marked peak regulation electric quantity of the deep peak regulation thermal power unit, the marked peak regulation electric quantity of a user and clear price of the peak regulation market are flexibly adjusted. The device can combine deep peak shaving of the power generation side, peak shaving of the user side, renewable energy consumption and spot market, fully explore the peak shaving capacity of the two sides for development, and promote the new energy consumption level.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. Wherein the storage medium can be magnetic disk, optical disk, read-only memoryRead-OnlyMemory，ROM) Or random memoryRandomAccessMemory，RAM) Etc.

Claims (4)

1. A spot market trading method considering two sides involved in peak shaving for discovery, comprising:
carrying out transaction declaration according to transaction information issued by a market operation mechanism; wherein the transaction declaration includes: spot market trade reporting and peak shaving trade reporting;
according to a preset day-ahead market clearing model, carrying out day-ahead market trade clearing on the trade declaration, and generating a day-ahead market trade clearing result; wherein, the daily market trade clearing result comprises: the next day thermal power unit output plan and clear price, the power quantity of the thermal power unit with the peak winning and peak shaving, the power quantity of the peak shaving and peak shaving in the user and clear price of the peak shaving market are flexibly adjusted;
the preset day-ahead market clearing model consists of a first objective function and a first constraint condition; the first objective function includes: the method comprises the steps of generating cost and starting and stopping cost of the thermal power generating unit, flexibly adjusting user peak regulation cost, inflexibly adjusting user peak regulation cost, depth peak regulation cost of the thermal power generating unit and discarding wind and light penalty; the first constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions;
the first objective function includes: the method comprises the steps of generating cost and starting and stopping cost of the thermal power generating unit, flexibly adjusting user peak regulation cost, inflexibly adjusting user peak regulation cost, depth peak regulation cost of the thermal power generating unit and discarding wind and light penalty; the specific formula is as follows:
in the method, in the process of the invention,Iis the number of the thermal power generating units,Nthe total number of segments for quoting the energy of the thermal power generating unit,p G i,n andP G i,t,n respectively represent thermal power generating unitsiIs the first of (2)nSection energy quotation and thermal power generating unitiIs the first of (2)nThe segment is in a period oftIs the winning amount of electricity;α i,t andβ i,t respectively represent thermal power generating unitsiAt the position oftThe start-stop cost coefficient of the time period is 0-1 variable,U G on,i andU G off,i respectively represent thermal power generating unitsiIs not limited by the starting and stopping costs of the device;Jin order to flexibly adjust the total number of users,Hto flexibly adjust the total number of quotations for the user,p U1 j,t,h andP U1 j,t,h representing flexible adjustment users, respectivelyjAt the position oftTime period of firsthThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Fin order to not flexibly adjust the total number of users,Rto inflexibly adjust the total number of offers to the user,p U2 f,t,r andP U2 f,t,r representing inflexible adjustment users, respectivelyfAt the position oftTime period of firstrThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Mthe total number of the energy quotations of the thermal power generating unit participating in the deep peak shaving is represented,r G i,t,m andR G i,t,m respectively represent thermal power generating unitsiAt the position oftTime period of firstmThe energy quotation of the peak shaving of the depth of the section and the bid amount of the peak shaving;KandVfor the number of wind power and photovoltaic applications,λrepresents the wind-abandoning and light-abandoning penalty factors,P W k,t indicating fankAt the position oftThe waste wind power in the time period,P S v,t representing photovoltaicvAt the position oftThe light discarding electric quantity of the time period;w 1 andw 2 is a weight coefficient;
the first constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions; wherein, the system load balancing constraint is specifically:
in the method, in the process of the invention,P W,F k,t andP S,F v,t respectively represent wind powerkAnd a photovoltaic devicevAt the position oftThe predicted force of the time period is calculated,D t representation oftA system total load prediction value of the time period; the left side of the equation is the total output force of thermal power, wind power and photovoltaic, and the right side of the equation is the total load of the system;
the line active power flow constraint is specifically as follows:
in the method, in the process of the invention,G G i,l 、G W k,l 、G S v,l 、G D b,l 、G U1 j,l 、G U2 f,l respectively represent thermal power generating unitsiWind power generationkPhotovoltaic (PV)vLoad ofbFlexibly adjusting usersjInflexible adjustment of usersfNode pair circuitlIs characterized by that the power generation transfer distribution factor of (a),f l,max andf l,min respectively represent lineslMaximum and minimum transmission power of (a); the depth peak regulation constraint of the thermal power generating unit is specifically as follows:
in the method, in the process of the invention,P i min representing thermal power unitsiIs provided with a minimum technical effort to be applied,τ i,t representing thermal power unitsiIn the time periodtIs in a state of starting and stopping the machine,τ i,t the symbol =1 indicates power on,τ i,t =0 indicates shutdown;
executing real-time market trade clearing to the trade declaration according to a preset real-time market clearing model to generate a real-time market trade clearing result; wherein, the real-time market transaction clearing result comprises: the power generation unit output plan and the clearing price of the thermal power generation unit in 15 minutes to 2 hours in the future, the peak regulation electric quantity in the deep peak regulation thermal power generation unit, the peak regulation electric quantity in the user and the clearing price of the peak regulation market are flexibly adjusted;
the preset real-time market clearing model consists of a second objective function and a second constraint condition; the second objective function includes: the power generation cost of the thermal power generating unit, the user peak regulation cost, the thermal power generating unit depth peak regulation cost and the waste wind and waste light punishment are flexibly adjusted; the second constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions;
the second objective function includes: the power generation cost of the thermal power generating unit, the user peak regulation cost, the thermal power generating unit depth peak regulation cost and the waste wind and waste light punishment are flexibly adjusted; the specific formula is as follows:
in the method, in the process of the invention,Iis the number of the thermal power generating units,Nthe total number of segments for quoting the energy of the thermal power generating unit,p G i,n andP G i,t,n respectively represent thermal power generating unitsiIs the first of (2)nSection energy quotation and thermal power generating unitiIs the first of (2)nThe segment is in a period oftIs the winning amount of electricity;Jin order to flexibly adjust the total number of users,Hto flexibly adjust the total number of quotations for the user,p U1 j,t,h andP U1 j,t,h representing flexible adjustment users, respectivelyjAt the position oftTime period of firsthThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Mthe total number of the energy quotations of the thermal power generating unit participating in the deep peak shaving is represented,r G i,t,m andR G i,t,m respectively represent thermal power generating unitsiAt the position oftTime period of firstmThe energy quotation of the peak shaving of the depth of the section and the bid amount of the peak shaving;KandVfor the number of wind power and photovoltaic applications,λrepresents the wind-abandoning and light-abandoning penalty factors,P W k,t indicating fankAt the position oftThe waste wind power in the time period,P S v,t representing photovoltaicvAt the position oftThe light discarding electric quantity of the time period;w 1 andw 2 is a weight coefficient;
the second constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions; wherein, the system load balancing constraint is specifically:
in the method, in the process of the invention,representing inflexible tuning users in the day-ahead marketfAt the position oftTime period ofrThe winning amount of the section peak shaving quotation;P W ,F k,t is wind powerkAt the position oftPredicting the force in real time in a period;P S,F v,t is a photovoltaic devicevAt the position oftPredicting the force in real time in a period;D t is thattA real-time predicted value of the total system load in the time period;P U1 j,t,h for flexible adjustment of usersjAt the position oftTime period of firsthThe real-time winning peak regulation electricity quantity of the section peak regulation quotation interval;
the line active power flow constraint is specifically as follows:
in the method, in the process of the invention,G G i,l 、G W k,l 、G S v,l 、G D b,l 、G U1 j,l andG U2 f,l respectively, thermal power generating unitiWind power generationkPhotovoltaic (PV)vLoad ofbFlexibly adjusting usersjAnd inflexible adjustment of usersfNode pair circuitlIs a power generation transfer distribution factor of (a);lis a line;f l，max and (3) withf l，min To respectively represent lineslMaximum and minimum transmission power of (a);
the depth peak regulation constraint of the thermal power generating unit is specifically as follows:
in the method, in the process of the invention,P i, min is a thermal power generating unitiIs a minimum technical output of (1);τ i,t representing thermal power unitsiIn the time periodtIs in an on-off state.
2. The spot-market trading method considering the participation of both sides in peak shaving according to claim 1, wherein the spot-market trading declaration is to make an energy quotation, specifically: the thermal power generating unit declares a monotonically non-decreasing multi-section electric energy-price curve before the day, and each section is required to declare a starting point of a power output section, a finishing point of the power output section and a quotation of the section.
3. The spot market trading method considering that two sides participate in peak shaving according to claim 1, wherein the peak shaving trade declaration is to perform peak shaving quotation, specifically: the thermal power generating unit participating in deep peak shaving adopts a form of down-regulating capacity ratio on the basis of paid peak shaving reference, a monotonically non-decreasing multi-section peak shaving contribution-price curve is declared, and a user participating in peak shaving adopts a form of up-regulating electric load on the basis of load reference, wherein each section of curve comprises a peak shaving contribution starting point, a peak shaving end point and a quotation of a section of the curve.
4. A spot market trading device considering two sides involved in peak shaving for discovery, comprising:
the transaction reporting module is used for conducting transaction reporting according to the transaction information issued by the market operation mechanism; wherein the transaction declaration includes: spot market trade reporting and peak shaving trade reporting;
the daily market clearing module is used for executing daily market trade clearing on the trade declaration according to a preset daily market clearing model to generate a daily market trade clearing result; wherein, the daily market trade clearing result comprises: the next day thermal power unit output plan and clear price, the power quantity of the thermal power unit with the peak winning and peak shaving, the power quantity of the peak shaving and peak shaving in the user and clear price of the peak shaving market are flexibly adjusted;
the preset day-ahead market clearing model consists of a first objective function and a first constraint condition; the first objective function includes: the method comprises the steps of generating cost and starting and stopping cost of the thermal power generating unit, flexibly adjusting user peak regulation cost, inflexibly adjusting user peak regulation cost, depth peak regulation cost of the thermal power generating unit and discarding wind and light penalty; the first constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions;
the first objective function includes: the method comprises the steps of generating cost and starting and stopping cost of the thermal power generating unit, flexibly adjusting user peak regulation cost, inflexibly adjusting user peak regulation cost, depth peak regulation cost of the thermal power generating unit and discarding wind and light penalty; the specific formula is as follows:
in the method, in the process of the invention,Iis the number of the thermal power generating units,Nthe total number of segments for quoting the energy of the thermal power generating unit,p G i,n andP G i,t,n respectively represent thermal power generating unitsiIs the first of (2)nSection energy quotation and thermal power generating unitiIs the first of (2)nThe segment is in a period oftIs the winning amount of electricity;α i,t andβ i,t respectively represent thermal power generating unitsiAt the position oftThe start-stop cost coefficient of the time period is 0-1 variable,U G on,i andU G off,i respectively represent thermal power generating unitsiIs not limited by the starting and stopping costs of the device;Jin order to flexibly adjust the total number of users,Hto flexibly adjust the total number of quotations for the user,p U1 j,t,h andP U1 j,t,h representing flexible adjustment users, respectivelyjAt the position oftTime period of firsthThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Ffor inflexible adjustment of usersThe total number of the products is that,Rto inflexibly adjust the total number of offers to the user,p U2 f,t,r andP U2 f,t,r representing inflexible adjustment users, respectivelyfAt the position oftTime period of firstrThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Mthe total number of the energy quotations of the thermal power generating unit participating in the deep peak shaving is represented,r G i,t,m andR G i,t,m respectively represent thermal power generating unitsiAt the position oftTime period of firstmThe energy quotation of the peak shaving of the depth of the section and the bid amount of the peak shaving;KandVfor the number of wind power and photovoltaic applications,λrepresents the wind-abandoning and light-abandoning penalty factors,P W k,t indicating fankAt the position oftThe waste wind power in the time period,P S v,t representing photovoltaicvAt the position oftThe light discarding electric quantity of the time period;w 1 andw 2 is a weight coefficient;
the first constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions; wherein, the system load balancing constraint is specifically:
in the method, in the process of the invention,P W,F k,t andP S,F v,t respectively represent wind powerkAnd a photovoltaic devicevAt the position oftThe predicted force of the time period is calculated,D t representation oftA system total load prediction value of the time period; the left side of the equation is the total output force of thermal power, wind power and photovoltaic, and the right side of the equation is the total load of the system;
the line active power flow constraint is specifically as follows:
in the method, in the process of the invention,G G i,l 、G W k,l 、G S v,l 、G D b,l 、G U1 j,l 、G U2 f,l respectively represent thermal power generating unitsiWind power generationkPhotovoltaic (PV)vLoad ofbFlexibly adjusting usersjInflexible adjustment of usersfNode pair circuitlIs characterized by that the power generation transfer distribution factor of (a),f l,max andf l,min respectively represent lineslMaximum and minimum transmission power of (a); the depth peak regulation constraint of the thermal power generating unit is specifically as follows:
in the method, in the process of the invention,P i min representing thermal power unitsiIs provided with a minimum technical effort to be applied,τ i,t representing thermal power unitsiIn the time periodtIs in a state of starting and stopping the machine,τ i,t the symbol =1 indicates power on,τ i,t =0 indicates shutdown;
the real-time market clearing module is used for executing real-time market transaction clearing on the transaction declaration according to a preset real-time market clearing model to generate a real-time market transaction clearing result; wherein, the real-time market transaction clearing result comprises: the power generation unit output plan and the clearing price of the thermal power generation unit in 15 minutes to 2 hours in the future, the peak regulation electric quantity in the deep peak regulation thermal power generation unit, the peak regulation electric quantity in the user and the clearing price of the peak regulation market are flexibly adjusted;
the preset real-time market clearing model consists of a second objective function and a second constraint condition; the second objective function includes: the power generation cost of the thermal power generating unit, the user peak regulation cost, the thermal power generating unit depth peak regulation cost and the waste wind and waste light punishment are flexibly adjusted; the second constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions;
the second objective function includes: the power generation cost of the thermal power generating unit, the user peak regulation cost, the thermal power generating unit depth peak regulation cost and the waste wind and waste light punishment are flexibly adjusted; the specific formula is as follows:
in the method, in the process of the invention,Iis the number of the thermal power generating units,Nthe total number of segments for quoting the energy of the thermal power generating unit,p G i,n andP G i,t,n respectively represent thermal power generating unitsiIs the first of (2)nSection energy quotation and thermal power generating unitiIs the first of (2)nThe segment is in a period oftIs the winning amount of electricity;Jin order to flexibly adjust the total number of users,Hto flexibly adjust the total number of quotations for the user,p U1 j,t,h andP U1 j,t,h representing flexible adjustment users, respectivelyjAt the position oftTime period of firsthThe section peak regulation energy quotation and the middle-scale peak regulation electric quantity;Mthe total number of the energy quotations of the thermal power generating unit participating in the deep peak shaving is represented,r G i,t,m andR G i,t,m respectively represent thermal power generating unitsiAt the position oftTime period of firstmThe energy quotation of the peak shaving of the depth of the section and the bid amount of the peak shaving;KandVfor the number of wind power and photovoltaic applications,λrepresents the wind-abandoning and light-abandoning penalty factors,P W k,t indicating fankAt the position oftThe waste wind power in the time period,P S v,t representing photovoltaicvAt the position oftThe light discarding electric quantity of the time period;w 1 andw 2 is a weight coefficient;
the second constraint includes: system load balance constraint, line active power flow constraint, thermal power unit depth peak shaving constraint and conventional unit combination constraint conditions; wherein, the system load balancing constraint is specifically:
in the method, in the process of the invention,representing inflexible tuning users in the day-ahead marketfAt the position oftTime period ofrThe winning amount of the section peak shaving quotation;P W ,F k,t is wind powerkAt the position oftPredicting the force in real time in a period;P S,F v,t is a photovoltaic devicevAt the position oftPredicting the force in real time in a period;D t is thattA real-time predicted value of the total system load in the time period;P U1 j,t,h for flexible adjustment of usersjAt the position oftTime period of firsthThe real-time winning peak regulation electricity quantity of the section peak regulation quotation interval;
the line active power flow constraint is specifically as follows:
in the method, in the process of the invention,G G i,l 、G W k,l 、G S v,l 、G D b,l 、G U1 j,l andG U2 f,l respectively, thermal power generating unitiWind power generationkPhotovoltaic (PV)vLoad ofbFlexibly adjusting usersjAnd inflexible adjustment of usersfNode pair circuitlIs a power generation transfer distribution factor of (a);lis a line;f l，max and (3) withf l，min To respectively represent lineslMaximum and minimum transmission power of (a);
the depth peak regulation constraint of the thermal power generating unit is specifically as follows:
in the method, in the process of the invention,P i, min is a thermal power generating unitiIs a minimum technical output of (1);τ i,t representing thermal power unitsiIn the time periodtIs in an on-off state.
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