CN104091210A - Trans-provincial and trans-regional transaction optimization method based on financial path optimization - Google Patents

Trans-provincial and trans-regional transaction optimization method based on financial path optimization Download PDF

Info

Publication number
CN104091210A
CN104091210A CN201410309097.4A CN201410309097A CN104091210A CN 104091210 A CN104091210 A CN 104091210A CN 201410309097 A CN201410309097 A CN 201410309097A CN 104091210 A CN104091210 A CN 104091210A
Authority
CN
China
Prior art keywords
province
power
trans
loss
electricity
Prior art date
Application number
CN201410309097.4A
Other languages
Chinese (zh)
Other versions
CN104091210B (en
Inventor
程海花
郑亚先
薛必克
耿建
杨争林
黄军高
赵彤
李峰
Original Assignee
国家电网公司
中国电力科学研究院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 国家电网公司, 中国电力科学研究院 filed Critical 国家电网公司
Priority to CN201410309097.4A priority Critical patent/CN104091210B/en
Publication of CN104091210A publication Critical patent/CN104091210A/en
Application granted granted Critical
Publication of CN104091210B publication Critical patent/CN104091210B/en

Links

Abstract

The invention relates to an optimization method in the electric power automation field, in particular to a trans-provincial and trans-regional transaction optimization method based on financial path optimization. The trans-provincial and trans-regional transaction optimization method based on financial path optimization includes the steps that (1) a power network simplification physical model is established; (2) a financial path model is established with power transmission network loss and transfer network loss considered; (3) constraint conditions for trans-provincial and trans-regional transactions are established; (4) a benefit maximization target function is established; (5) the optimization results of the trans-provincial and trans-regional transactions are determined, and a financial path is automatically searched for. According to the method, on the basis of consideration of the transmission capacity of a physical channel, financial cost caused by power transmission network loss of a power network, trans-provincial and trans-regional transfer network loss and the like is increased, and a trans-provincial and trans-regional transaction financial path covering multiple buyers and multiple sellers within a wide range can be automatically selected and searched for in an optimized mode.

Description

一种基于金融路径优化的跨省跨区交易优化方法 One kind of inter-provincial cross-trading financial path optimization method based on optimization

技术领域 FIELD

[0001] 本发明涉及一种电力自动化领域的优化方法,具体涉及一种基于金融路径优化的跨省跨区交易优化方法。 [0001] The present invention relates to a method for optimizing the field of power automation, particularly involving cross provinces based on financial transactions Optimization Route Optimization.

背景技术 Background technique

[0002] 我国幅员辽阔,东部与西部的能源差异导致了我国电力供需呈现"西电东送"的特点,而各省区间的经济发展差异也导致了跨省区电力交易现象的普遍存在。 [0002] China has a vast energy difference between east and west has led to China's power supply and demand presents "west to east" features, and differences in economic development Provinces also led to a widespread phenomenon of inter-provincial electricity trading. 跨省区电能交易对远距离、大范围的电力余缺起到很好的调节作用,同时能够加强区域与省间的互供和电力支援力度,从而保证电力的可靠供应。 Energy trading on the inter-provincial long-distance, large-scale electricity surplus and deficiency played a very good role in the regulation, and strengthen mutual support for power and strength between the region and the province, so as to ensure a reliable supply of electricity. 近些年公司通过人工组织跨区跨省电能交易, 有效缓解了不同网省电能供需矛盾,保障了电能的可靠供应。 In recent years the company through artificial tissue cross inter-provincial energy trading, effectively alleviate the different network saving energy supply and demand to ensure a reliable supply of electricity. 由于在组织跨省跨区交易时, 需要考虑输电网损、转运网损等复杂要素,目前尚不能实现路径自动搜索,只能依赖人工经验,固定几条常用的交易路径。 Because when organizing cross inter-provincial trade, we need to consider the complex elements of transmission power loss, net loss and other transport, yet can not be achieved automatically search path, rely on human experience, a few common fixed transaction path. 如何在考虑输电网损、转运网损的基础上实现路径自动搜索和优化是亟待解决的问题。 In considering how to implement the automatic route optimization and search base transmission power loss, net loss on transport is a serious problem.

发明内容 SUMMARY

[0003] 针对现有技术的不足,本发明的目的是提供一种基于金融路径优化的跨省跨区交易优化方法,该方法在考虑物理通道输送能力的基础上,增加考虑电网输电网损、跨区跨省的转运网损等输电成本,实现了大范围多买方、多卖方的跨省跨区交易金融路径自动选择优化搜索。 [0003] for the deficiencies of the prior art, an object of the present invention is to provide a method for optimizing financial transaction provinces cross path optimization based method in consideration of the physical channels based on the transmission capacity, increased power transmission power loss consideration, cross inter-provincial transmission costs transport network loss, to achieve a large-scale multi-buyer, multiple seller of inter-provincial cross-trading financial path is automatically selected refine your search.

[0004] 本发明的目的是采用下述技术方案实现的: [0004] The object of the present invention is implemented using the following technical scheme:

[0005] 本发明一种基于金融路径优化的跨省跨区交易优化方法,其改进之处在于,所述方法包括下述步骤: [0005] The present invention provides a method for optimizing financial transaction cross provinces based on the optimization path, the improvement wherein, said method comprising the steps of:

[0006] 1)建立电网简化物理模型; [0006] 1) Establishment of a simplified physical model of the power grid;

[0007] 2)在物理路径的基础上,增加考虑电网输电网损、转运网损等输电成本,建立考虑输电成本的金融路径模型; [0007] 2) Based on the physical path, increasing transmission power transmission power loss of cost considerations, and other transport losses, considering the financial establishment of transmission cost path model;

[0008] 3)建立跨省跨区交易的约束条件; [0008] 3) the establishment of inter-provincial cross-trade constraints;

[0009] 4)建立效益最大化目标函数; [0009] 4) the establishment of an objective function to maximize efficiency;

[0010] 5)确定跨省跨区交易的优化结果,实现金融路径自动搜索。 [0010] 5) to determine the optimal results cross inter-provincial trade, financial path to achieve automatic search.

[0011] 进一步地,所述步骤1)中,研究电网网络模型等值原理,采用电网拓扑结构聚合方式,建立电网简化物理模型;针对跨省跨区多条联络线路,进行等值简化为一条物理通道,其输送能力在考虑检修计划的基础上进行折算。 [0011] Further, in the step 1), the principle of equivalence study grid network model, the network topology configuration polymerization method, a simplified physical model established grid; for the provinces spanned plurality of contact lines, be reduced to an equivalent physical channel, its transmission capacity for conversion in consideration of the maintenance plan.

[0012] 进一步地,所述步骤2)中,分析电网输电网损和转运网损,采用网损电价方式来表征其输电的金融成本,其金融路径模型用下述表达式表示: [0012] Further,) in the step 2, and the transmission power loss analysis grid transport losses, characterized financial costs of its use of transmission losses of electricity embodiment, the financial path model which is represented by the following expression:

[0013] losspc = lpp+lap+lsp+lac (1); [0013] losspc = lpp + lap + lsp + lac (1);

[0014] 其中:P、c表示电能售出省、电能购入省和电能转运方的总的集合; [0014] wherein: P, c represents the sold power save, save energy and purchase the total set of energy transport side;

[0015] lossp。 [0015] lossp. 表示从售出省到电能购入省的总网损电价,包括输电网损和转运网损; Represents the total net purchased from province to province sold electricity energy loss, comprising a transmission power loss and transport losses;

[0016] lpp表不电能送出省p的输电网损; [0016] lpp power feeding table does not save the transmission power loss p;

[0017] 1&1)表示电能送出省p所在区域的转运网损; [0017] 1 & 1) represents energy fed LOSS IN region where p-saving;

[0018] lsp表示这笔交易跨区域时所产生的转运网损;如果没有跨区域,则转运网损为〇; [0018] lsp indicate when cross-regional transport network loss arising from the deal; if there is no inter-regional, the net loss for the transit billion;

[0019] la。 [0019] la. 表示电能购入省c所在区域的转运网损。 It indicates that energy is purchased LOSS IN area of ​​the province where the c.

[0020] 进一步地,所述步骤3)中,所述约束条件包括考虑转运的平衡约束、物理通道输送能力约束、供需平衡约束和交易量低于申报量约束。 [0020] Further, 3) in said step, said constraints include constraints transport considering the balance, the physical channel transmission capacity constraints, constraints demand balance and transaction amount is less than the amount of constraint declaration.

[0021] 进一步地,所述考虑转运的平衡约束用下述表达式表示: [0021] Further, considering the balance of the transport is expressed by the following constraint expression:

[0022] [0022]

Figure CN104091210AD00051

(2); (2);

[0023] [0023]

Figure CN104091210AD00052

(3); (3);

[0024] 其中:p、c表示电能售出方、电能购入方和电能转运方的总的集合; [0024] wherein: p, c represents a square power sold, purchased energy and total energy of the set side of the transport direction;

[0025] N表示p、c集合的总数; [0025] N represents the total number p, c set;

[0026] xp。 [0026] xp. 表不从p省到c省输送的电量; Table no charge from p to c province provincial transport;

[0027] xep表不从c省到p省输送的电量; [0027] xep not save table from p to c power save delivery;

[0028] Sp为p省实际售出的电量; [0028] Sp is p province actual electricity sold;

[0029] D。 [0029] D. 为c省实际购入的电量; C province is the actual purchase of electricity;

[0030] 式(2)表示从p点供出的所有电量等于p点自己提供的电量加上其他点转运给p 点的电量;式(3)表示c点接受的所有电量等于c点自己购入的电量加上从c点转运出去的电量; [0030] Formula (2), all energy fed out from p equal to p points to provide their own power, together with other transit point to point power p; of formula (3), all energy is equal to c point accepts purchase their own point c plus the transport of electricity from the c point out electricity;

[0031] 所述物理通道输送能力约束用下述表达式表示: [0031] The physical channel transmission capacity constraints represented by the following expression:

[0032] [0032]

Figure CN104091210AD00053

(4); (4);

[0033] 其中dimiti为从p省到c省的通道最大输送电量,考虑物理通道检修情况; limit2为从c省到p省的通道最大输送电量,考虑物理通道检修情况; [0033] wherein p dimiti from province to province c passageway maximum delivery power, consider the case of a physical access channel; c LIMIT2 from province to province p-channel maximum delivery power, consider the case of a physical channel access;

[0034] 所述供需平衡约束用下述表达式表示: [0034] The supply-demand balance constraint expressed by the following expression:

[0035] [0035]

Figure CN104091210AD00054

(5); (5);

[0036] 式(5)表示跨省跨区交易实际售出电量总和与实际购入电量总和达到供需平衡; Represents [0036] Formula (5) spanned provinces actual transaction with the actual sale total amount of electricity purchased total amount of electricity to achieve a balance of supply and demand;

[0037] 所述交易量低于申报量约束用下述表达式表示: [0037] reporting the amount of the transaction amount is below the constraints expressed by the following expression:

[0038] Sp 彡SBp (6); [0038] Sp San SBp (6);

[0039] Dc ^ DBC (7); [0039] Dc ^ DBC (7);

[0040] 其中:SBp表不p省申报的可供电量;DB。 [0040] wherein: SBp table may not p Declaring the power supply; DB. 表不c省申报的需求电量; C Declaring the table does not need electricity;

[0041] 式(6)表示p省最终售出电量不得超过申报的可供电量;式(7)表示c省的最终购入电量不得超过申报的需求电量。 Represents the [0041] formula (6) eventually sold electricity power supply may not exceed the declared p province; expression (7) c province of final demand for electricity purchased power must not exceed declared.

[0042] 进一步地,所述步骤4)中,考虑转运网损和输电网损的整体效益最大化目标函数用下述表达式表示: [0042] Further, the step 4), consider the overall objective function is to maximize the transport efficiency losses and transmission power loss is represented by the following expression:

[0043] F = F1+F2 (8); [0043] F = F1 + F2 (8);

[0044] [0044]

Figure CN104091210AD00061

( 9 ); ( 9 );

[0045] [0045]

Figure CN104091210AD00062

( 10 ); (10);

[0046] 其中:Pp、P。 [0046] wherein: Pp, P. 分别表示p省、c省的申报电价;lossp。 Represent the province to declare the price p, c province; lossp. 表示从售出省p到电能购入省C的总网损电价;loss^表示从售出省C到电能购入省p的总网损电价;F1表示从p省输送电能到c省所获得效益;F2表示从c省输送电能到p省所获得效益;F表示考虑正向、反向通道传输得到的整体收益;Xp。 P denotes from sold province to province C power purchase price total losses; loss ^ p represents purchased from province to C province sold total energy losses tariff; Fl represents supplying electric power obtained from p to c province Province benefit; represents F2 of delivering electrical energy from the obtained p c province to province benefits; F. represents consideration the forward, backward channel transmission overall revenue obtained; Xp. 表示从P省到c省输送的电量;Xc;p表示从c省到p省输送的电量。 It represents P conveyed from province to province power c; Xc; c p represents from province to province delivered power p. 由于优化目标是整体利益最大,当从P省到c省输送电量能够获得收益的时候,反向输送一定不会产生正的收益,所以自然就不会产生反向输送交易,同一通道上同时双向都有电量输送是不会出现的。 Since the goal is to optimize the overall best interest when transporting electricity from P province to province c can obtain benefits, the reverse transport will not generate positive returns, so naturally it will not create a reverse transaction delivery, in both directions simultaneously on the same channel have electricity delivery is not the case.

[0047] 进一步地,所述步骤5)中,按照输入的买方和卖方的申报电量以及电价,在考虑物理通道输送能力约束,考虑转运网损和输电网损的情况下自动搜索金融路径,针对整体效益最大目标进行优化计算,应用COMPLEX商用算法包,以线性规划中考虑转运的运输问题为数学基础,进行优化计算,得到跨省跨区交易的优化结果。 [0047] Further, the step 5), the buyer and seller in accordance with the input power and price reporting, financial automatic search path in consideration of a physical channel transmission capacity constraints, consider the transport and network loss of the transmission power loss, for the maximum overall efficiency target optimization, application COMPLEX commercial algorithm package to consider the transportation problem of linear programming in transit for the foundations of mathematics, optimization calculation, the results of the optimization of inter-provincial cross-trading.

[0048] 与现有技术比,本发明达到的有益效果是: [0048] than the prior art, the present invention achieves advantageous effects are:

[0049] 本发明为在考虑物理通道输送能力的基础上,增加考虑电网输电网损、跨区跨省的转运网损等金融成本,实现了大范围多买方、多卖方的跨省跨区交易金融路径自动选择优化搜索。 [0049] The present invention is in consideration of the underlying physical channel transmission capacity on the increased consideration grid transmission power loss, cross inter-provincial transport network losses and other financial costs, to achieve a large-scale multi-buyer, multiple seller of inter-provincial cross-trading financial refine your search path is automatically selected.

[0050] 1)本发明提供了多买方、多卖方的跨省跨区交易优化模型,实现了多买方、多卖方的按照优化目标自动配对,达成跨省跨区交易; [0050] 1) The present invention provides multi buyer, multiple seller of inter-provincial cross-trading optimization model and implement multiple buyer, multiple seller of automatic matching in accordance with optimization goals, to reach inter-provincial cross-trading;

[0051] 2)本发明在物理路径优化的基础上,增加考虑了电网的输电网损和转运网损等金融成本,实现了在满足综合效益最大目标下的金融路径的自组织、自搜索。 [0051] 2) of the invention on the basis of the physical path optimization based on the increase takes into account the transmission power loss and transit network losses and other financial costs of the grid to achieve the self-organization of financial path at the maximum target to meet the comprehensive benefits of self-search.

[0052] 3)本发明结合实际生产需求,提供了考虑物理通道输送能力和输电成本的跨省跨区交易优化算法,使该算法满足实际生产需求。 [0052] 3) the actual production requirements of the present invention, there is provided considering the physical channel transmission capacity and transmission costs provinces cross transaction optimization algorithm so that the algorithm to meet the actual production needs.

附图说明 BRIEF DESCRIPTION

[0053] 图1是本发明提供的基于金融路径优化的跨省跨区交易优化方法的流程图。 [0053] FIG. 1 is a flowchart of a method of optimizing financial transaction provinces cross the path optimization according to the present invention is provided.

具体实施方式 Detailed ways

[0054] 下面结合附图对本发明的具体实施方式作进一步的详细说明。 [0054] The following drawings of specific embodiments of the present invention will be described in further detail in conjunction.

[0055] 本发明提供的基于金融路径优化的跨省跨区交易优化方法的流程图如图1所示, 包括下述步骤: [0055] The flowchart shown in FIG. 1 provinces cross financial transactions based on optimization of the path optimization according to the present invention is provided, comprising the steps of:

[0056] 1)建立电网简化物理模型:研究电网网络模型等值原理,采用电网拓扑结构聚合方式,建立电网简化物理模型;针对跨省跨区多条联络线路,进行等值简化为一条物理通道,其输送能力在考虑检修计划的基础上进行折算。 [0056] 1) Establishment of a simplified physical model of the grid: the grid network model studies equivalence principle, using the grid topology aggregation, to establish a simplified physical model grid; for the provinces spanned plurality of contact lines, be reduced to an equivalent physical channels its transmission capacity for conversion in consideration of the maintenance plan.

[0057] 2)建立计及电网输电网损、转运网损等金融成本的金融路径模型: [0057] 2) establish terms and grid transmission power loss, net loss transit and other financial costs of financial path model:

[0058] 分析电网输电网损和转运网损,采用网损电价进行金融成本的金融路径建模,金融路径模型用下述表达式表示: [0058] Power transmission power loss analysis and transport losses, using electricity conducting financial losses financial cost path modeling, financial path model is represented by the following expression:

[0059] losspc = lpp+lap+lsp+lac (1); [0059] losspc = lpp + lap + lsp + lac (1);

[0060] 其中:P、C表示电能售出省、电能购入省和电能转运方的总的集合; [0060] wherein: P, C represents the sold power save, save energy and purchase the total set of energy transport side;

[0061] l〇SSp。 [0061] l〇SSp. 表示从售出省到电能购入省的总网损电价,包括输电网损和转运网损; Represents the total net purchased from province to province sold electricity energy loss, comprising a transmission power loss and transport losses;

[0062] lpp表示电能送出省P的输电网损; [0062] lpp represents power P out of the transmission power loss save;

[0063] lap表示电能送出省p所在区域的转运网损; [0063] lap represents energy fed LOSS IN region where p-saving;

[0064] lsp表示这笔交易跨区域时所产生的转运网损;如果没有跨区域,则转运网损为〇; [0064] lsp indicate when cross-regional transport network loss arising from the deal; if there is no inter-regional, the net loss for the transit billion;

[0065] la。 [0065] la. 表示电能购入省c所在区域的转运网损。 It indicates that energy is purchased LOSS IN area of ​​the province where the c.

[0066] 3)建立跨省跨区交易的约束条件:所述约束条件包括考虑转运的平衡约束、物理通道输送能力约束、供需平衡约束和交易量低于申报量约束。 [0066] 3) the establishment of inter-provincial cross Trade constraints: the constraints include constraints transport considering the balance, the physical channel transmission capacity constraints, constraints demand balance and transaction amount is less than the amount of constraint declaration.

[0067] 考虑转运的平衡约束用下述表达式表示: [0067] Consider the equilibrium constraints represented by the following expression transporter:

[0068] [0068]

Figure CN104091210AD00071

⑵; ⑵;

[0069] [0069]

Figure CN104091210AD00072

(3); (3);

[0070] 其中:p、c表示电能售出方、电能购入方和电能转运方的总的集合; [0070] wherein: p, c represents a square power sold, purchased energy and total energy of the set side of the transport direction;

[0071] N表示p、c集合的总数; [0071] N represents the total number p, c set;

[0072] xp。 [0072] xp. 表不从p省到c省输送的电量; Table no charge from p to c province provincial transport;

[0073] xep表不从c省到p省输送的电量; [0073] xep not save table from p to c power save delivery;

[0074] SpSp省实际售出的电量; [0074] SpSp province actual sale of electricity;

[0075] D。 [0075] D. 为c省实际购入的电量; C province is the actual purchase of electricity;

[0076] 式⑵表示从p点供出的所有电量等于p点自己提供的电量加上其他点转运给p 点的电量;式(3)表示c点接受的所有电量等于c点自己购入的电量加上从c点转运出去的电量; [0076] Formula ⑵ all energy fed out from p equal to p points to provide their own power, together with other transit point to point power p; of formula (3), all energy is equal to the receiving point c c their point of purchase power c add transported from the point out of power;

[0077] 所述物理通道输送能力约束用下述表达式表示: [0077] The physical channel transmission capacity constraints represented by the following expression:

[0078] [0078]

Figure CN104091210AD00073

(4); (4);

[0079] 其中dimiti为从p省到c省的通道最大输送电量,考虑物理通道检修情况; limit2为从c省到p省的通道最大输送电量,考虑物理通道检修情况; [0079] wherein p dimiti from province to province c passageway maximum delivery power, consider the case of a physical access channel; c LIMIT2 from province to province p-channel maximum delivery power, consider the case of a physical channel access;

[0080] 所述供需平衡约束用下述表达式表示: [0080] The supply-demand balance constraint expressed by the following expression:

[0081] [0081]

Figure CN104091210AD00074

(5); (5);

[0082] 式(5)表示跨省跨区交易实际售出电量总和与实际购入电量总和达到供需平衡; Represents [0082] Formula (5) spanned provinces actual transaction with the actual sale total amount of electricity purchased total amount of electricity to achieve a balance of supply and demand;

[0083] 所述交易量低于申报量约束用下述表达式表示: [0083] reporting the amount of the transaction amount is below the constraints expressed by the following expression:

[0084] Sp ^ SBp (6); [0084] Sp ^ SBp (6);

[0085] Dc ^ DBC (7); [0085] Dc ^ DBC (7);

[0086] 其中:SBp表不p省申报的可供电量;DB。 [0086] wherein: SBp table may not p Declaring the power supply; DB. 表不c省申报的需求电量; C Declaring the table does not need electricity;

[0087] 式(6)表示p省最终售出电量不得超过申报的可供电量;式(7)表示c省的最终购入电量不得超过申报的需求电量。 Represents the [0087] formula (6) eventually sold electricity power supply may not exceed the declared p province; expression (7) c province of final demand for electricity purchased power must not exceed declared.

[0088] 4)建立考虑转运网损和输电网损的整体效益最大化目标函数,用下述表达式表示: [0088] 4) establishing consider the overall objective function is to maximize efficiency and transport losses of transmission power loss, represented by the following expression:

[0089] F = F1+F2 (8); [0089] F = F1 + F2 (8);

[0090] [0090]

Figure CN104091210AD00081

(9 ); (9 );

[0091] [0091]

Figure CN104091210AD00082

( 1〇); (1〇);

[0092] 其中:Pp、P。 [0092] wherein: Pp, P. 分别表示p省、c省的申报电价;lossp。 Represent the province to declare the price p, c province; lossp. 表示从售出省p到电能购入省C的总网损电价;loss^表示从售出省C到电能购入省p的总网损电价;F1表示从p省输送电能到c省所获得效益;F2表示从c省输送电能到p省所获得效益;F表示考虑正向、反向通道传输得到的整体收益;Xp。 P denotes from sold province to province C power purchase price total losses; loss ^ p represents purchased from province to C province sold total energy losses tariff; Fl represents supplying electric power obtained from p to c province Province benefit; represents F2 of delivering electrical energy from the obtained p c province to province benefits; F. represents consideration the forward, backward channel transmission overall revenue obtained; Xp. 表示从P省到c省输送的电量;Xc;p表示从c省到p省输送的电量。 It represents P conveyed from province to province power c; Xc; c p represents from province to province delivered power p.

[0093] 5)确定跨省跨区交易的优化结果,实现金融路径自动搜索:按照输入的买方和卖方的申报电量以及电价,在考虑物理通道输送能力约束,考虑转运网损和输电网损的情况下自动搜索金融路径,针对整体效益最大目标进行优化计算,应用COMPLEX商用算法包,以线性规划中考虑转运的运输问题为数学基础,进行优化计算,得到跨省跨区交易的优化结果。 [0093] 5) to determine the optimal results cross inter-provincial trade and achieve financial path automatically search: Enter the buyer and seller in accordance with the reporting power and price, considering the physical channel transmission capacity constraints, consider the transport network loss and loss of grid automatically search the case of financial path, optimizing overall efficiency is calculated for maximum target, application COMPLEX commercial algorithm package to consider the transportation problem of linear programming in transit for the foundations of mathematics, optimization calculation, the results of the optimization of inter-provincial cross-trading.

[0094] 实施例 [0094] Example

[0095] 假定组织了一笔跨省跨区交易,13家省公司申报售电量和售电价格,8家省公司申报购电量需求和购电价格,有两家省公司没有购电或售电需求,仅仅参与转运。 [0095] assumed a sum of inter-provincial cross-trading organizations, 13 provincial companies reporting sales of electricity and the sale of electricity prices, eight provincial electricity demand to declare the purchase and purchase price, there are two provincial company did not purchase or sale of electricity demand, only involved transport. 13家售电省公司和8家购电省公司也都可以参与转运,按照整体效益最大优化目标计算,23家省公司的申报电量数据和各家的电量价格数据(所有数据仅为测试数据)如下表1 : 13 provincial and sale of electricity purchased power saving eight companies are involved in transport, calculated in accordance with the overall maximum efficiency optimization goals, 23 provincial power companies reporting data and various electricity price data (all data is only test data) table 1 below:

[0096] 表1 23家省公司的申报电量数据和各家的电量价格数据 [0096] Table 1 23 provincial power companies reporting data and various electricity price data

[0097] [0097]

Figure CN104091210AD00091

[0098] 输电通道的输送限值如下表2 : [0098] delivery transmission channel value shown in Table 2:

[0099] 表2输电通道的输送限值 [0099] Table 2 transport limit the transmission channel

[0100] [0100]

Figure CN104091210AD00092

[0101] [0101]

Figure CN104091210AD00101

Figure CN104091210AD00102

[0102] 采用网损电价方式来表征电网输电网损和转运网损,采用以下公式计算每两个节点之间的价差,价差表如表3所示。 [0102] Power transmission power loss to characterize and transport losses, calculated using the formula each spread between two nodes using the electricity network losses embodiment, as shown in Table 3 Table spread.

[0103] 价差=购电方价格-售电方价格-网损电价。 [0103] Spread = purchase price is - the sale of electricity price is - Loss price.

[0104] 表3每两个节点之间的价差 The spread between the [0104] Each of two nodes Table 3

[0105] [0105]

Figure CN104091210AD00103

Figure CN104091210AD00111

Figure CN104091210AD00121

[0106] [0106]

[0107] 跨省跨区交易结果如下表4 : [0107] inter-provincial cross trading results are as follows in Table 4:

[0108] 表4跨省跨区交易结果 [0108] Table 4 inter-provincial cross trading results

[0109] [0109]

Figure CN104091210AD00122

[0110] 结果分析:共成交13笔交易,成交电量710700MWh,在考虑输电网损和转运网损后,交易成交总量较没有考虑网损时有明显下降。 [0110] The results analysis: a total turnover of 13 transactions, turnover of power 710700MWh, after considering the transmission power loss and net loss of transport, the total turnover from the previous transaction is not considered a significant decline when network loss.

[0111] 最后应当说明的是:以上实施例仅用以说明本发明的技术方案而非对其限制,尽管参照上述实施例对本发明进行了详细的说明,所属领域的普通技术人员应当理解:依然可以对本发明的具体实施方式进行修改或者等同替换,而未脱离本发明精神和范围的任何修改或者等同替换,其均应涵盖在本发明的权利要求范围当中。 [0111] Finally, it should be noted that: above embodiments are merely to illustrate the technical solutions of the present invention rather than limiting, although the above-described embodiments with reference to embodiments of the present invention were described in detail, those of ordinary skill in the art should be understood: still It may be made to specific embodiments of the present invention, modifications or equivalent replacements without departing from the spirit and scope of any modifications or equivalents of the present invention, which should be covered by the present invention as claimed in which the required range.

Claims (7)

1. 一种基于金融路径优化的跨省跨区交易优化方法,其特征在于,所述方法包括下述步骤: 1) 建立电网简化物理模型; 2) 在物理路径的基础上,增加考虑电网输电网损、转运网损输电成本,建立金融路径模型; 3) 建立跨省跨区交易的约束条件; 4) 建立效益最大化目标函数; 5) 确定跨省跨区交易的优化结果,实现金融路径自动搜索。 CLAIMS 1. A method of optimizing financial transaction cross provinces based on the optimization path, characterized in that the method comprises the following steps: 1) establishing a simplified physical model of the power grid; 2) on the basis of the physical path, increasing transmission power considering net loss, net loss transit transmission costs, the establishment of financial path model; 3) the establishment of inter-provincial cross-trade constraints; 4) the establishment of an objective function to maximize efficiency; 5) to determine the optimal results cross inter-provincial trade and achieve financial path Auto Search.
2. 如权利要求1所述的跨省跨区交易优化方法,其特征在于,所述步骤1)中,研究电网网络模型等值原理,采用电网拓扑结构聚合方式,建立电网简化物理模型;针对跨省跨区多条联络线路,进行等值简化为一条物理通道,其输送能力在考虑检修计划的基础上进行折算。 2. The method of optimizing cross transaction provinces as claimed in claim 1, wherein, in the step 1), the principle of equivalence study grid network model, the network topology configuration aggregation, establishment of electrical simplified physical model; for a number of inter-provincial cross contact line, simplifying equivalent to a physical channel, its transmission capacity for conversion in consideration of the maintenance plan.
3. 如权利要求1所述的跨省跨区交易优化方法,其特征在于,所述步骤2)中,分析电网输电网损和转运网损,采用网损电价方式来表征金融成本,金融路径模型用下述表达式表示: losspc = lpp+lap+lsp+lac (1); 其中:p、c表示电能售出省、电能购入省和电能转运方的总的集合; l〇SSp。 Optimization of cross transactions provinces as claimed in claim 1, wherein, in the step 2), analyzing power transmission power loss and transport losses, characterized financial cost of using electricity losses embodiment, the financial path model expression represented by the following: losspc = lpp + lap + lsp + lac (1); wherein: p, c represents the total energy set sold province, and power save electricity purchase transport side; l〇SSp. 表示从售出省到电能购入省的总网损电价,包括输电网损和转运网损; lPp表不电能送出省p的输电网损; lap表示电能送出省p所在区域的转运网损; lsp表示这笔交易跨区域时所产生的转运网损;如果没有跨区域,则转运网损为〇; la。 Represents sold purchased from province to province net loss of total energy price, including transmission power loss and transport losses; LPP tables are not sent save power p output power loss; LAP represents a power feeding area where the p-saving transport Loss; lsp indicate when cross-regional transport network loss arising from the deal; if there is no inter-regional, the net loss for the transit billion; la. 表示电能购入省c所在区域的转运网损。 It indicates that energy is purchased LOSS IN area of ​​the province where the c.
4. 如权利要求1所述的跨省跨区交易优化方法,其特征在于,所述步骤3)中,所述约束条件包括考虑转运的平衡约束、物理通道输送能力约束、供需平衡约束和交易量低于申报量约束。 Optimization of cross transactions provinces as claimed in claim 1, wherein 3) the step of considering the balance of the constraints include constraints of transport, the physical channel transmission capacity constraints, constraints and transactions demand balance amount lower than the amount declared constraints.
5. 如权利要求4所述的跨省跨区交易优化方法,其特征在于,所述考虑转运的平衡约束用下述表达式表示: Provinces cross transaction optimization method as claimed in claim 4, characterized in that, considering the equilibrium constraints represented by the following expression of transporter:
Figure CN104091210AC00021
(2); (2);
Figure CN104091210AC00022
(3 ); 其中:P、c表示电能售出方、电能购入方和电能转运方的总的集合; N表示p、c集合的总数; χρ。 (3); wherein: P, c represents the square power sold, purchased energy and total energy of the set side transport side; N represents p, c Total collection; χρ. 表不从P省到c省输送的电量; xep表不从c省到p省输送的电量; Sp为p省实际售出的电量; D。 Table P is not conveyed from province to province power c; c XEP table does not save from the delivery of electricity to the province p; p is the province Sp actually sold electricity; D. 为c省实际购入的电量; 式(2)表示从p点供出的所有电量等于p点自己提供的电量加上其他点转运给p点的电量;式(3)表示c点接受的所有电量等于c点自己购入的电量加上从c点转运出去的电量; 所述物理通道输送能力约束用下述表达式表示: C province is the actual purchase of electricity; formula (2) represents all the power to give out from p equal to p points to provide their own power, together with other transit point to point p of electricity; formula (3) represents the point of acceptance of all electricity c c is equal to their point of purchase power coupled out transported from the point c power; physical channel the transmission capacity constraints represented by the following expression:
Figure CN104091210AC00031
(4) ; 其中dimiti为从p省到c省的通道最大输送电量,考虑物理通道检修情况;limit2为从c省到p省的通道最大输送电量,考虑物理通道检修情况; 所述供需平衡约束用下述表达式表示: (4); wherein p dimiti from province to province c passageway maximum delivery power, consider the case of a physical access channel; c LIMIT2 from province to province p-channel maximum delivery power, consider the case of a physical access channel; the balance between supply and demand constraints expressed by the following expression:
Figure CN104091210AC00032
(5) ; 式(5)表示跨省跨区交易实际售出电量总和与实际购入电量总和达到供需平衡; 所述交易量低于申报量约束用下述表达式表示: Sp ^ SBP (6); Dc 彡DBC (7); 其中:SBP表不p省申报的可供电量;DB。 Represented by the formula (5) for the actual sale transactions provinces cross power sum of the sum of the actual power to achieve the supply-demand balance purchased;; (5) the amount of the transaction amount is below reporting constraints represented by the following expression: Sp ^ SBP (6 ); Dc is San DBC (7); wherein: SBP table may not p Declaring the power supply; DB. 表不c省申报的需求电量; 式(6)表示p省最终售出电量不得超过申报的可供电量;式(7)表示c省的最终购入电量不得超过申报的需求电量。 Expression (6) shall not exceed the final declaration of the electricity sold can save power supply p;; c table does not declare the province's electricity needs expression (7) c province of final demand for electricity purchased power must not exceed declared.
6. 如权利要求1所述的跨省跨区交易优化方法,其特征在于,所述步骤4)中,考虑转运网损和输电网损的整体效益最大化目标函数用下述表达式表示: F = F1+F2 (8); 6. The method of optimizing trading cross provinces of claim 1, wherein said step 4), consider the overall objective function is to maximize the transport efficiency losses and transmission power loss is represented by the following expression: F = F1 + F2 (8);
Figure CN104091210AC00033
(9); (9);
Figure CN104091210AC00034
(10); 其中:Pp、P。 (10); wherein: Pp, P. 分别表不p省、C省的申报电价;lossp。 Respectively table does not declare the price p province, C province; lossp. 表不从售出省p到电能购入省C的总网损电价;loss#表示从售出省c到电能购入省p的总网损电价;F1表示从p省输送电能到c省所获得效益;F2表示从c省输送电能到p省所获得效益;F表示考虑正向、反向通道传输得到的整体收益;xp。 From the table it is not sold to the power save p C province total purchase price losses; loss # represents the total purchase price province p losses from the province sold to the power c; Fl p represents supplying electric power from the province to province c obtaining benefits; represents F2 of delivering electrical energy from the obtained p c province to province benefits; F. represents consideration the forward, backward channel transmission overall revenue obtained; xp. 表不从P省到c省输送的电量;xep表不从c省到p省输送的电量。 From Table P is not conveyed to the province c electricity saving; XEP table is not delivered from the power c p province to province.
7. 如权利要求1所述的跨省跨区交易优化方法,其特征在于,所述步骤5)中,按照输入的买方和卖方的申报电量以及电价,在考虑物理通道输送能力约束,考虑转运网损和输电网损的情况下自动搜索交易路径,针对整体效益最大目标进行优化计算,应用COMPLEX商用算法包,以线性规划中考虑转运的运输问题为数学基础,进行优化计算,得到跨省跨区交易的优化结果。 7. The method of optimizing cross transaction provinces as claimed in claim 1, wherein said step 5), the buyer and seller in accordance with the declaration of input and electricity price, in consideration of the physical channel transmission capacity constraints, consider the transport automatically search the case of net loss and transmission power loss of the transaction path, optimizing overall efficiency is calculated for maximum target, application COMPLEX commercial algorithm package to consider the transportation problem of linear programming in transit for the foundations of mathematics, optimization calculation, the inter-provincial cross the Business of optimization results.
CN201410309097.4A 2014-07-01 2014-07-01 One kind of inter-provincial cross-trading financial path optimization method based on optimization CN104091210B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410309097.4A CN104091210B (en) 2014-07-01 2014-07-01 One kind of inter-provincial cross-trading financial path optimization method based on optimization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410309097.4A CN104091210B (en) 2014-07-01 2014-07-01 One kind of inter-provincial cross-trading financial path optimization method based on optimization

Publications (2)

Publication Number Publication Date
CN104091210A true CN104091210A (en) 2014-10-08
CN104091210B CN104091210B (en) 2017-06-23

Family

ID=51638925

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410309097.4A CN104091210B (en) 2014-07-01 2014-07-01 One kind of inter-provincial cross-trading financial path optimization method based on optimization

Country Status (1)

Country Link
CN (1) CN104091210B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5974403A (en) * 1997-07-21 1999-10-26 International Business Machines Corporation Power trading and forecasting tool
CN103345712A (en) * 2013-06-19 2013-10-09 国家电网公司 Method for optimizing medium and long term trans-regional trans-provincial deals and assessing modes of medium and long term trans-regional trans-provincial deals
CN103473711A (en) * 2013-08-22 2013-12-25 国家电网公司 Centralized operation system adapted to multiple electricity markets
CN103646329A (en) * 2013-11-04 2014-03-19 国家电网公司 Interregional and interprovincial electricity trading operational control method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5974403A (en) * 1997-07-21 1999-10-26 International Business Machines Corporation Power trading and forecasting tool
CN103345712A (en) * 2013-06-19 2013-10-09 国家电网公司 Method for optimizing medium and long term trans-regional trans-provincial deals and assessing modes of medium and long term trans-regional trans-provincial deals
CN103473711A (en) * 2013-08-22 2013-12-25 国家电网公司 Centralized operation system adapted to multiple electricity markets
CN103646329A (en) * 2013-11-04 2014-03-19 国家电网公司 Interregional and interprovincial electricity trading operational control method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
吴晓明: "基于跨省(区)的发电权交易机制研究", 《中国优秀硕士学位论文全文数据库经济与管理科学辑》 *
谭丽君: "跨省跨区发电权交易模型及购电风险优化模型的研究", 《中国优秀硕士学位论文全文数据库经济与管理科学辑》 *

Also Published As

Publication number Publication date
CN104091210B (en) 2017-06-23

Similar Documents

Publication Publication Date Title
Bai et al. Transmission analysis by Nash game method
Van Der Rhee et al. A new revenue sharing mechanism for coordinating multi-echelon supply chains
Mnatsakanyan et al. A novel demand response model with an application for a virtual power plant
Tushar et al. Three-party energy management with distributed energy resources in smart grid
Barrientos et al. Decent work in global production networks: Framing the policy debate
Rahimi et al. Transactive energy techniques: closing the gap between wholesale and retail markets
CN102521652B (en) Evaluation and decision method for operation efficiency of power grid
Tushar et al. Price discrimination for energy trading in smart grid: A game theoretic approach
Ma et al. Multi-party energy management for smart building cluster with PV systems using automatic demand response
Liu et al. Locational marginal pricing basics for restructured wholesale power markets
Alaywan et al. Transitioning the California market from a zonal to a nodal framework: An operational perspective
La Scala et al. A goal programming methodology for multiobjective optimization of distributed energy hubs operation
Singh et al. Congestion management with distributed generation and its impact on electricity market
Tang et al. Pay‐back‐revenue‐sharing contract in coordinating Supply Chains with random yield
CN103262115A (en) Electric power management system
Meng et al. Distribution LMP-based economic operation for future smart grid
Kinhekar et al. Utility oriented demand side management using smart AC and micro DC grid cooperative
Littlechild et al. Transmission Expansion in Argentina 1: the origins of policy
CN102611127B (en) Control method for unifying self-balancing and self-smoothing of micro-grid
Sood et al. Optimal model of congestion management in deregulated environment of power sector with promotion of renewable energy sources
Ghasemi et al. Introducing a new framework for management of future distribution networks using potentials of energy hubs
Sandgani et al. Coordinated optimal dispatch of energy storage in a network of grid-connected microgrids
CN103489045B (en) One responsive load optimization potential evaluation method based on multi-scene design requirements
CN103824235B (en) New Energy Power and Energy Power Station scheme based bidding to develop methods
Kang et al. Transition of tariff structure and distribution pricing in China

Legal Events

Date Code Title Description
C06 Publication
C10 Entry into substantive examination
C41 Transfer of patent application or patent right or utility model
GR01