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CN111416396A - Combined dispatching method of thermal power and wind power considering electric heating in the auxiliary service market - Google Patents

Combined dispatching method of thermal power and wind power considering electric heating in the auxiliary service market Download PDF

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CN111416396A
CN111416396A CN202010242058.2A CN202010242058A CN111416396A CN 111416396 A CN111416396 A CN 111416396A CN 202010242058 A CN202010242058 A CN 202010242058A CN 111416396 A CN111416396 A CN 111416396A
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electric heating
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王彬
孙勇
吴文传
李宝聚
蔺晨晖
王尧
杨越
慕宗达
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State Grid Jilin Electric Power Corp
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Abstract

本发明涉及一种辅助服务市场中考虑电采暖的火电与风电联合调度方法，属于电力系统运行技术领域。本方法考虑了调度的公平性，构建了由目标函数和约束条件构成的辅助服务市场中考虑电采暖的火电与风电联合调度模型，采用内点法求解该模型，将得到的最优解作为辅助服务市场中考虑电采暖的火电与风电联合调度参数，基于调度参数进行调度。本发明充分考虑辅助服务市场的作用，保证调度的公平分配，得到更为合理的调度结果，确保了电力系统安全运行。The invention relates to a combined dispatching method for thermal power and wind power considering electric heating in the auxiliary service market, and belongs to the technical field of power system operation. Considering the fairness of dispatching, this method constructs a joint dispatching model of thermal power and wind power considering electric heating in the auxiliary service market composed of objective functions and constraints. The interior point method is used to solve the model, and the obtained optimal solution is used as auxiliary In the service market, the joint scheduling parameters of thermal power and wind power considering electric heating are used for scheduling based on the scheduling parameters. The present invention fully considers the role of the auxiliary service market, ensures the fair distribution of dispatching, obtains a more reasonable dispatching result, and ensures the safe operation of the power system.

Description

辅助服务市场中考虑电采暖的火电与风电联合调度方法Combined dispatching method of thermal power and wind power considering electric heating in the auxiliary service market

技术领域technical field

本发明涉及一种辅助服务市场中考虑电采暖的火电与风电联合调度方法，属于电力系统的运行技术领域。The invention relates to a combined dispatching method of thermal power and wind power considering electric heating in the auxiliary service market, and belongs to the technical field of operation of power systems.

背景技术Background technique

在现有的电力市场中，尤其是东北电力市场中，辅助服务市场已经成为其中一个重要环节。传统的电力系统调度未考虑辅助服务市场，这样会导致调度结果缺乏依据，并且无法保证参与调度的火电与风电的公平性。另一方面，东北的部分火电机组在灵活性改造的过程中在厂内引入了电采暖，这样也给辅助服务市场中的发电调度造成了挑战。In the existing electricity market, especially in the Northeast electricity market, the auxiliary service market has become an important part. The traditional power system dispatching does not consider the auxiliary service market, which will lead to lack of basis for dispatching results, and cannot guarantee the fairness of thermal power and wind power participating in dispatching. On the other hand, some thermal power units in the northeast have introduced electric heating in the plant during the flexibility transformation process, which also poses challenges to power generation scheduling in the ancillary service market.

发明内容SUMMARY OF THE INVENTION

本发明的目的是为克服已有技术的不足之处，提出一种辅助服务市场中考虑电采暖的火电与风电联合调度方法。本发明充分考虑辅助服务市场的作用，保证调度的公平分配，得到更为合理的调度结果，确保了电力系统安全运行。The purpose of the present invention is to overcome the deficiencies of the prior art, and to propose a combined dispatching method of thermal power and wind power considering electric heating in the auxiliary service market. The present invention fully considers the role of the auxiliary service market, ensures the fair distribution of dispatching, obtains more reasonable dispatching results, and ensures the safe operation of the power system.

本发明提出一种辅助服务市场中考虑电采暖的火电与风电联合调度方法，其特征在于，该方法包括以下步骤：The present invention proposes a joint dispatching method for thermal power and wind power considering electric heating in the auxiliary service market, and is characterized in that the method comprises the following steps:

(1)构建辅助服务市场中考虑电采暖的火电与风电联合调度模型，该模型由目标函数和约束条件构成；具体步骤如下：(1) Construct a joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market. The model consists of objective functions and constraints; the specific steps are as follows:

(1-1)确定辅助服务市场中考虑电采暖的火电与风电联合调度模型的目标函数，表达式如下：(1-1) Determine the objective function of the joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market, the expression is as follows:

Figure BDA0002432896930000011
Figure BDA0002432896930000011

式中，KW为弃风惩罚成本权重系数，KS为辅助服务交易总额系数，KA为辅助服务分配不均惩罚成本系数，IW为风电场编号集合，T为调度时刻集合，

Figure BDA0002432896930000012
为风电场i在时刻t的发电出力，
Figure BDA0002432896930000013
为风电场i在时刻t的可用出力预测值，IG为火电机组编号集合，
Figure BDA0002432896930000014
分别为火电机组i在辅助服务第一档、第二档的报价，
Figure BDA0002432896930000015
分别为火电机组i在时刻t参与辅助服务第一档的功率和第二档的功率，
Figure BDA0002432896930000016
为火电机组i在时刻t的有偿调峰第一档校正后基准，
Figure BDA0002432896930000021
为火电机组i的出力下限，
Figure BDA0002432896930000022
为时刻t的全网火电机组平均辅助服务调用比例；In the formula, K W is the weight coefficient of wind curtailment penalty cost, K S is the total transaction amount coefficient of ancillary services, K A is the penalty cost coefficient of uneven distribution of ancillary services, I W is the set of wind farm numbers, T is the set of dispatching moments,
Figure BDA0002432896930000012
is the power generation output of wind farm i at time t,
Figure BDA0002432896930000013
is the available output forecast value of wind farm i at time t, IG is the set of thermal power unit numbers,
Figure BDA0002432896930000014
are the quotations of thermal power unit i in the first and second gears of auxiliary services, respectively,
Figure BDA0002432896930000015
are the power of the first gear and the second gear of the thermal power unit i participating in the auxiliary service at time t, respectively,
Figure BDA0002432896930000016
is the benchmark after calibration of the first gear of paid peak shaving of thermal power unit i at time t,
Figure BDA0002432896930000021
is the output lower limit of thermal power unit i,
Figure BDA0002432896930000022
is the average auxiliary service invocation ratio of the entire network of thermal power units at time t;

(1-2)确定辅助服务市场中考虑电采暖的火电与风电联合调度模型的约束条件，具体如下：(1-2) Determine the constraints of the joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market, as follows:

(1-2-1)功率平衡约束：(1-2-1) Power balance constraints:

Figure BDA0002432896930000023
Figure BDA0002432896930000023

式中，

Figure BDA0002432896930000024
为火电机组i在时刻t的发电出力，
Figure BDA0002432896930000025
为负荷i在时刻t的负荷预测，ID为负荷编号集合；In the formula,
Figure BDA0002432896930000024
is the power generation output of thermal power unit i at time t,
Figure BDA0002432896930000025
is the load prediction of load i at time t, and ID is the set of load numbers;

(1-2-2)机组出力约束；(1-2-2) Unit output constraints;

对于火电机组：For thermal power units:

Figure BDA0002432896930000026
Figure BDA0002432896930000026

式中，

Figure BDA0002432896930000027
分别为火电机组i出力上限和下限；In the formula,
Figure BDA0002432896930000027
are the upper and lower output limits of thermal power unit i, respectively;

对于风电场：For wind farms:

Figure BDA0002432896930000028
Figure BDA0002432896930000028

(1-2-3)爬坡约束：(1-2-3) Climbing constraints:

Figure BDA0002432896930000029
Figure BDA0002432896930000029

式中，

Figure BDA00024328969300000210
分别为火电机组i的向上爬坡能力和向下爬坡能力；In the formula,
Figure BDA00024328969300000210
are respectively the upward and downward climbing ability of thermal power unit i;

(1-2-4)旋转备用约束：(1-2-4) Spinning reserve constraints:

Figure BDA00024328969300000211
Figure BDA00024328969300000211

Figure BDA00024328969300000212
Figure BDA00024328969300000212

式中，SRUt、SRDt分别为电力系统在时刻t的向上旋转备用需求和向下旋转备用需求；In the formula, SRU t and SRD t are the upward rotation reserve demand and the downward rotation reserve demand of the power system at time t, respectively;

(1-2-5)线路容量约束：(1-2-5) Line capacity constraints:

Figure BDA00024328969300000213
Figure BDA00024328969300000213

式中，

Figure BDA00024328969300000214
为线路j在时刻t的传输功率，
Figure BDA00024328969300000215
为线路j的传输功率上限；In the formula,
Figure BDA00024328969300000214
is the transmission power of line j at time t,
Figure BDA00024328969300000215
is the upper limit of transmission power of line j;

其中，线路j在时刻t的传输功率

Figure BDA00024328969300000216
可通过转移分布因子计算：where the transmission power of line j at time t
Figure BDA00024328969300000216
It can be calculated from the transfer distribution factor:

Figure BDA00024328969300000217
Figure BDA00024328969300000217

式中，

Figure BDA0002432896930000031
为火电机组i所在节点对线路j的转移分布因子，
Figure BDA0002432896930000032
为风电场i所在节点对线路j的转移分布因子，
Figure BDA0002432896930000033
为负荷i所在节点对线路j的转移分布因子，IL为线路编号集合；In the formula,
Figure BDA0002432896930000031
is the transfer distribution factor of the node where the thermal power unit i is located to the line j,
Figure BDA0002432896930000032
is the transfer distribution factor of the node where the wind farm i is located to the line j,
Figure BDA0002432896930000033
is the transfer distribution factor of the node where the load i is located to the line j, and IL is the set of line numbers;

(1-2-6)电采暖校正调峰基准约束；(1-2-6) Electric heating correction peak regulation reference constraints;

若火电机组绑定有电采暖参与调峰辅助服务，则根据实时电采暖功率对火电机组的调峰基准进行校正，存在约束条件表达式如下：If the thermal power unit is bound with electric heating and participates in the auxiliary peak shaving service, the peak shaving benchmark of the thermal power unit is corrected according to the real-time electric heating power. The expression of the constraints is as follows:

Figure BDA0002432896930000034
Figure BDA0002432896930000034

Figure BDA0002432896930000035
Figure BDA0002432896930000035

式中，

Figure BDA0002432896930000036
为火电机组i在时刻t的有偿调峰第一档校正后基准，
Figure BDA0002432896930000037
为火电机组i在时刻t的有偿调峰第二档校正后基准，
Figure BDA0002432896930000038
为火电机组i的有偿调峰第一档校正前基准，
Figure BDA0002432896930000039
为火电机组i的有偿调峰第二档校正前基准，
Figure BDA00024328969300000310
为火电机组i在时刻t绑定的电采暖消耗的电功率；In the formula,
Figure BDA0002432896930000036
is the benchmark after calibration of the first gear of paid peak shaving of thermal power unit i at time t,
Figure BDA0002432896930000037
is the benchmark after calibration of the second gear of paid peak shaving of thermal power unit i at time t,
Figure BDA0002432896930000038
is the benchmark before calibration for the first gear of paid peak shaving of thermal power unit i,
Figure BDA0002432896930000039
is the benchmark before calibration for the second gear of paid peak shaving of thermal power unit i,
Figure BDA00024328969300000310
is the electric power consumed by electric heating bound by thermal power unit i at time t;

(1-2-7)辅助服务功率约束：(1-2-7) Ancillary service power constraints:

Figure BDA00024328969300000311
Figure BDA00024328969300000311

(1-2-8)平均辅助服务调用比例约束：(1-2-8) The average auxiliary service invocation ratio constraint:

Figure BDA00024328969300000312
Figure BDA00024328969300000312

式中，NG为电力系统中运行的火电机组总数；In the formula, N G is the total number of thermal power units running in the power system;

(3)采用内点法，对步骤(1)建立的辅助服务市场中考虑电采暖的火电与风电联合调度模型进行求解，得到

Figure BDA00024328969300000313
的最优解，将得到的最优解作为辅助服务市场中考虑电采暖的火电与风电联合调度参数进行调度。(3) Using the interior point method, solve the joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market established in step (1), and obtain
Figure BDA00024328969300000313
The optimal solution obtained is used as a joint scheduling parameter of thermal power and wind power considering electric heating in the auxiliary service market for scheduling.

本发明提出的辅助服务市场中考虑电采暖的火电与风电联合调度方法，其优点是：The combined dispatching method of thermal power and wind power considering electric heating in the auxiliary service market proposed by the present invention has the following advantages:

本方法考虑了调度的公平性，构建辅了助服务市场中考虑电采暖的火电与风电联合调度的调度目标，并建立了辅助服务市场中考虑电采暖的火电与风电联合调度的约束条件，采用内点法求解辅助服务市场中考虑电采暖的火电与风电联合调度模型，基于求解得到的调度参数进行调度。本方法能够有效适应东北地区当前正在开展的调峰辅助服务，充分考虑辅助服务市场的作用，保证调度的公平分配，得到更为合理的调度结果，确保了电力系统安全运行。This method considers the fairness of dispatching, constructs the dispatching objective of the joint dispatch of thermal power and wind power considering electric heating in the auxiliary service market, and establishes the constraints of the joint dispatching of thermal power and wind power considering electric heating in the auxiliary service market. The interior point method solves the joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market, and dispatches based on the dispatching parameters obtained by the solution. This method can effectively adapt to the peak shaving auxiliary services currently being carried out in Northeast China, fully consider the role of the auxiliary service market, ensure the fair distribution of dispatching, obtain more reasonable dispatching results, and ensure the safe operation of the power system.

具体实施方式Detailed ways

本发明提出的一种辅助服务市场中考虑电采暖的火电与风电联合调度方法，下面结合具体实施例进一步说明如下。A method for joint dispatching of thermal power and wind power that considers electric heating in the auxiliary service market proposed by the present invention is further described below with reference to specific embodiments.

本发明提出的一种辅助服务市场中考虑电采暖的火电与风电联合调度方法，包括以下步骤：A thermal power and wind power joint dispatching method considering electric heating in the auxiliary service market proposed by the present invention includes the following steps:

(1)构建辅助服务市场中考虑电采暖的火电与风电联合调度模型，该模型由目标函数和约束条件构成；具体步骤如下：(1) Construct a joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market. The model consists of objective functions and constraints; the specific steps are as follows:

(1-1)确定辅助服务市场中考虑电采暖的火电与风电联合调度模型的目标函数；(1-1) Determine the objective function of the joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market;

本发明中，调度目标需要保证：优先利用风电、弃风量根据不同风电场规模公平分配、火电参与的调峰辅助服务的功率基于各个火电的辅助服务报价由低至高按序分配、报价相同情况下各个火电参与辅助服务的功率基于可调区间公平分配，于是将辅助服务市场中考虑电采暖的火电与风电联合调度的调度目标设置为：In the present invention, the dispatching objective needs to ensure that: priority utilization of wind power, fair distribution of wind curtailment according to the scale of different wind farms, power of auxiliary services for peak shaving participated by thermal power based on the quotation of auxiliary services of each thermal power are allocated in order from low to high, and the quotations are the same The power of each thermal power participating in ancillary services is fairly distributed based on the adjustable interval, so the dispatching objective of the joint dispatching of thermal power and wind power considering electric heating in the auxiliary service market is set as:

Figure BDA0002432896930000041
Figure BDA0002432896930000041

式中，KW为弃风惩罚成本权重系数，可取值1000，KS为辅助服务交易总额系数，可取值10，KA为辅助服务分配不均惩罚成本系数，可取值0.1，IW为风电场编号集合，T为调度时刻集合，

Figure BDA0002432896930000042
为风电场i在时刻t的发电出力，
Figure BDA0002432896930000043
为风电场i在时刻t的可用出力预测值，IG为火电机组编号集合，
Figure BDA0002432896930000044
分别为火电机组i在辅助服务第一档、第二档(所述第一档、第二档由辅助服务市场政策规定)的报价，
Figure BDA0002432896930000045
分别为火电机组i在时刻t参与辅助服务第一档、第二档的功率，
Figure BDA0002432896930000046
为火电机组i在时刻t的有偿调峰第一档校正后基准，
Figure BDA0002432896930000047
为火电机组i的出力下限，
Figure BDA0002432896930000048
为时刻t的全网火电机组平均辅助服务调用比例。In the formula, K W is the weight coefficient of wind curtailment penalty cost, which can take a value of 1000, K S is the total transaction coefficient of auxiliary services, which can take a value of 10, K A is the penalty cost coefficient of uneven distribution of auxiliary services, and can take a value of 0.1, I W is the set of wind farm numbers, T is the set of dispatching moments,
Figure BDA0002432896930000042
is the power generation output of wind farm i at time t,
Figure BDA0002432896930000043
is the available output forecast value of wind farm i at time t, IG is the set of thermal power unit numbers,
Figure BDA0002432896930000044
are the quotations of thermal power unit i in the first gear and the second gear of auxiliary services (the first and second gears are stipulated by the policy of the auxiliary service market),
Figure BDA0002432896930000045
are the power of thermal power unit i participating in the first gear and the second gear of auxiliary service at time t, respectively,
Figure BDA0002432896930000046
is the benchmark after calibration of the first gear of paid peak shaving of thermal power unit i at time t,
Figure BDA0002432896930000047
is the output lower limit of thermal power unit i,
Figure BDA0002432896930000048
It is the average auxiliary service invocation ratio of the entire network of thermal power units at time t.

(1-2)确定辅助服务市场中考虑电采暖的火电与风电联合调度模型的约束条件，具体如下：(1-2) Determine the constraints of the joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market, as follows:

(1-2-1)功率平衡约束：(1-2-1) Power balance constraints:

Figure BDA0002432896930000049
Figure BDA0002432896930000049

上式中，

Figure BDA00024328969300000410
为火电机组i在时刻t的发电出力，
Figure BDA00024328969300000411
为负荷i在时刻t的负荷预测，ID为负荷编号集合。In the above formula,
Figure BDA00024328969300000410
is the power generation output of thermal power unit i at time t,
Figure BDA00024328969300000411
is the load prediction of load i at time t, and ID is the set of load numbers.

(1-2-2)机组出力约束：(1-2-2) Unit output constraints:

对于火电机组，其出力存在上下限：For thermal power units, there are upper and lower limits for their output:

Figure BDA00024328969300000412
Figure BDA00024328969300000412

上式中，

Figure BDA00024328969300000413
分别为火电机组i出力上、下限。In the above formula,
Figure BDA00024328969300000413
are the upper and lower limits of output of thermal power unit i, respectively.

对于风电场，可用出力的预测值为其出力上限：For a wind farm, the predicted value of the available output is its upper output limit:

Figure BDA0002432896930000051
Figure BDA0002432896930000051

(1-2-3)爬坡约束：(1-2-3) Climbing constraints:

Figure BDA0002432896930000052
Figure BDA0002432896930000052

上式中，

Figure BDA0002432896930000053
分别为火电机组i的向上爬坡能力和向下爬坡能力。In the above formula,
Figure BDA0002432896930000053
are the upward and downward climbing ability of thermal power unit i, respectively.

(1-2-4)旋转备用约束：(1-2-4) Spinning reserve constraints:

火电机组提供系统的旋转备用需求：The thermal power unit provides the system's spinning reserve requirements:

Figure BDA0002432896930000054
Figure BDA0002432896930000054

Figure BDA0002432896930000055
Figure BDA0002432896930000055

上式中，SRUt、SRDt分别为电力系统在时刻t的向上旋转备用需求和向下旋转备用需求。In the above formula, SRU t and SRD t are the up-spinning reserve demand and the down-spinning reserve demand of the power system at time t, respectively.

(1-2-5)线路容量约束：(1-2-5) Line capacity constraints:

线路的传输功率存在上下限约束：There are upper and lower limit constraints on the transmission power of the line:

Figure BDA0002432896930000056
Figure BDA0002432896930000056

上式中，

Figure BDA0002432896930000057
为线路j在时刻t的传输功率，
Figure BDA0002432896930000058
为线路j的传输功率上限。In the above formula,
Figure BDA0002432896930000057
is the transmission power of line j at time t,
Figure BDA0002432896930000058
is the upper limit of transmission power for line j.

其中，线路j在时刻t的传输功率

Figure BDA0002432896930000059
可以通过转移分布因子计算：where the transmission power of line j at time t
Figure BDA0002432896930000059
It can be calculated by the transfer distribution factor:

Figure BDA00024328969300000510
Figure BDA00024328969300000510

上式中，

Figure BDA00024328969300000511
分别为火电机组i、风电场i、负荷i所在节点对线路j的转移分布因子，IL为线路编号集合。In the above formula,
Figure BDA00024328969300000511
are the transfer distribution factors of the thermal power unit i, the wind farm i, and the node where the load i is located to the line j, respectively, and I L is the line number set.

(1-2-6)电采暖校正调峰基准约束；(1-2-6) Electric heating correction peak regulation reference constraints;

如果火电机组绑定有电采暖参与调峰辅助服务，则需要根据实时电采暖功率对火电机组的调峰基准进行校正，其中有偿调峰基准校正为：If the thermal power unit is bound with electric heating to participate in the auxiliary peak shaving service, the peak shaving benchmark of the thermal power unit needs to be corrected according to the real-time electric heating power. The paid peak shaving benchmark is corrected as follows:

Figure BDA00024328969300000512
Figure BDA00024328969300000512

Figure BDA00024328969300000513
Figure BDA00024328969300000513

上式中，

Figure BDA00024328969300000514
为火电机组i在时刻t的有偿调峰第一档校正后基准，
Figure BDA00024328969300000515
为火电机组i在时刻t的有偿调峰第二档校正后基准，
Figure BDA00024328969300000516
为火电机组i的有偿调峰第一档校正前基准，
Figure BDA00024328969300000517
为火电机组i的有偿调峰第二档校正前基准，(基准是由辅助服务市场制定)
Figure BDA00024328969300000518
为火电机组i在时刻t绑定的电采暖消耗的电功率。In the above formula,
Figure BDA00024328969300000514
is the benchmark after calibration of the first gear of the paid peak shaving of thermal power unit i at time t,
Figure BDA00024328969300000515
is the benchmark after calibration for the second gear of paid peak shaving of thermal power unit i at time t,
Figure BDA00024328969300000516
is the benchmark before calibration for the first gear of paid peak shaving of thermal power unit i,
Figure BDA00024328969300000517
It is the benchmark before calibration for the second gear of paid peak shaving of thermal power unit i (the benchmark is formulated by the auxiliary service market)
Figure BDA00024328969300000518
It is the electric power consumed by the electric heating bound for thermal power unit i at time t.

该约束条件只存在于火电机组绑定有电采暖参与调峰辅助服务的情况下。This constraint only exists when the thermal power unit is bound with electric heating and participates in the auxiliary service of peak regulation.

(1-2-7)辅助服务功率约束：(1-2-7) Ancillary service power constraints:

火电机组参与辅助服务第一档、第二档的功率通过以下约束条件定义：The power of the thermal power unit participating in the first and second gears of auxiliary services is defined by the following constraints:

Figure BDA0002432896930000061
Figure BDA0002432896930000061

(1-2-8)平均辅助服务调用比例约束：(1-2-8) The average auxiliary service invocation ratio constraint:

Figure BDA0002432896930000062
Figure BDA0002432896930000062

上式中，NG为电力系统中运行的火电机组总数。In the above formula, N G is the total number of thermal power units running in the power system.

(2)采用内点法，对步骤(1)建立的辅助服务市场中考虑电采暖的火电与风电联合调度模型进行求解，得到

Figure BDA0002432896930000063
的最优解，将最优解作为辅助服务市场中考虑电采暖的火电与风电联合调度参数，基于调度参数进行调度。(2) Using the interior point method, solve the joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market established in step (1), and obtain
Figure BDA0002432896930000063
The optimal solution is taken as the joint scheduling parameter of thermal power and wind power considering electric heating in the auxiliary service market, and scheduling is performed based on the scheduling parameters.

Claims (1)

1.一种辅助服务市场中考虑电采暖的火电与风电联合调度方法，其特征在于，该方法包括以下步骤：1. a thermal power and wind power joint dispatching method considering electric heating in an auxiliary service market, is characterized in that, this method may further comprise the steps: (1)构建辅助服务市场中考虑电采暖的火电与风电联合调度模型，该模型由目标函数和约束条件构成；具体步骤如下：(1) Construct a joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market. The model consists of objective functions and constraints; the specific steps are as follows: (1-1)确定辅助服务市场中考虑电采暖的火电与风电联合调度模型的目标函数，表达式如下：(1-1) Determine the objective function of the joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market, and the expression is as follows:
Figure FDA0002432896920000011
Figure FDA0002432896920000011
 式中，KW为弃风惩罚成本权重系数，KS为辅助服务交易总额系数，KA为辅助服务分配不均惩罚成本系数，IW为风电场编号集合，T为调度时刻集合，
Figure FDA0002432896920000012
为风电场i在时刻t的发电出力，
Figure FDA0002432896920000013
为风电场i在时刻t的可用出力预测值，IG为火电机组编号集合，
Figure FDA0002432896920000014
分别为火电机组i在辅助服务第一档、第二档的报价，
Figure FDA0002432896920000015
分别为火电机组i在时刻t参与辅助服务第一档的功率和第二档的功率，
Figure FDA0002432896920000016
为火电机组i在时刻t的有偿调峰第一档校正后基准，
Figure 548428DEST_PATH_BDA0002432896930000021
为火电机组i的出力下限，
Figure FDA0002432896920000017
为时刻t的全网火电机组平均辅助服务调用比例；In the formula, K W is the weight coefficient of wind curtailment penalty cost, K S is the total transaction amount coefficient of ancillary services, K A is the penalty cost coefficient of uneven distribution of ancillary services, I W is the set of wind farm numbers, T is the set of dispatching moments,
Figure FDA0002432896920000012
is the power generation output of wind farm i at time t,
Figure FDA0002432896920000013
is the available output forecast value of wind farm i at time t, IG is the set of thermal power unit numbers,
Figure FDA0002432896920000014
are the quotations of thermal power unit i in the first and second gears of auxiliary services, respectively,
Figure FDA0002432896920000015
are the power of the first gear and the second gear of the thermal power unit i participating in the auxiliary service at time t, respectively,
Figure FDA0002432896920000016
is the benchmark after calibration of the first gear of paid peak shaving of thermal power unit i at time t,
Figure 548428DEST_PATH_BDA0002432896930000021
is the output lower limit of thermal power unit i,
Figure FDA0002432896920000017
is the average auxiliary service invocation ratio of the entire network of thermal power units at time t; (1-2)确定辅助服务市场中考虑电采暖的火电与风电联合调度模型的约束条件，具体如下：(1-2) Determine the constraints of the joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market, as follows: (1-2-1)功率平衡约束：(1-2-1) Power balance constraints:
Figure FDA0002432896920000018
Figure FDA0002432896920000018
 式中，
Figure FDA0002432896920000019
为火电机组i在时刻t的发电出力，
Figure FDA00024328969200000110
为负荷i在时刻t的负荷预测，ID为负荷编号集合；In the formula,
Figure FDA0002432896920000019
is the power generation output of thermal power unit i at time t,
Figure FDA00024328969200000110
is the load prediction of load i at time t, and ID is the set of load numbers; (1-2-2)机组出力约束；(1-2-2) Unit output constraints; 对于火电机组：For thermal power units:
Figure FDA00024328969200000111
Figure FDA00024328969200000111
 式中，
Figure FDA00024328969200000112
Figure 465568DEST_PATH_BDA0002432896930000021
分别为火电机组i出力上限和下限；In the formula,
Figure FDA00024328969200000112
Figure 465568DEST_PATH_BDA0002432896930000021
are the upper and lower output limits of thermal power unit i, respectively; 对于风电场：For wind farms:
Figure FDA0002432896920000021
Figure FDA0002432896920000021
 (1-2-3)爬坡约束：(1-2-3) Climbing constraints:
Figure FDA0002432896920000022
Figure FDA0002432896920000022
 式中，
Figure FDA0002432896920000023
分别为火电机组i的向上爬坡能力和向下爬坡能力；In the formula,
Figure FDA0002432896920000023
are respectively the upward and downward climbing ability of thermal power unit i; (1-2-4)旋转备用约束：(1-2-4) Spinning reserve constraints:
Figure FDA0002432896920000024
Figure FDA0002432896920000024
Figure FDA0002432896920000025
Figure FDA0002432896920000025
 式中，SRUt、SRDt分别为电力系统在时刻t的向上旋转备用需求和向下旋转备用需求；In the formula, SRU t and SRD t are the upward rotation reserve demand and the downward rotation reserve demand of the power system at time t, respectively; (1-2-5)线路容量约束：(1-2-5) Line capacity constraints:
Figure FDA0002432896920000026
Figure FDA0002432896920000026
 式中，
Figure FDA0002432896920000027
为线路j在时刻t的传输功率，
Figure FDA0002432896920000028
为线路j的传输功率上限；In the formula,
Figure FDA0002432896920000027
is the transmission power of line j at time t,
Figure FDA0002432896920000028
is the upper limit of transmission power of line j; 其中，线路j在时刻t的传输功率
Figure FDA0002432896920000029
可通过转移分布因子计算：where the transmission power of line j at time t
Figure FDA0002432896920000029
It can be calculated from the transfer distribution factor:
Figure FDA00024328969200000210
Figure FDA00024328969200000210
 式中，
Figure FDA00024328969200000211
为火电机组i所在节点对线路j的转移分布因子，
Figure FDA00024328969200000212
为风电场i所在节点对线路j的转移分布因子，
Figure FDA00024328969200000213
为负荷i所在节点对线路j的转移分布因子，IL为线路编号集合；In the formula,
Figure FDA00024328969200000211
is the transfer distribution factor of the node where the thermal power unit i is located to the line j,
Figure FDA00024328969200000212
is the transfer distribution factor of the node where the wind farm i is located to the line j,
Figure FDA00024328969200000213
is the transfer distribution factor of the node where the load i is located to the line j, and IL is the set of line numbers; (1-2-6)电采暖校正调峰基准约束；(1-2-6) Electric heating correction peak regulation reference constraints; 若火电机组绑定有电采暖参与调峰辅助服务，则根据实时电采暖功率对火电机组的调峰基准进行校正，存在约束条件表达式如下：If the thermal power unit is bound with electric heating and participates in the auxiliary peak shaving service, the peak shaving benchmark of the thermal power unit is corrected according to the real-time electric heating power. The expression of the constraints is as follows:
Figure FDA00024328969200000214
Figure FDA00024328969200000214
Figure FDA00024328969200000215
Figure FDA00024328969200000215
 式中，
Figure FDA00024328969200000216
为火电机组i在时刻t的有偿调峰第一档校正后基准，
Figure FDA00024328969200000217
为火电机组i在时刻t的有偿调峰第二档校正后基准，Pi G1为火电机组i的有偿调峰第一档校正前基准，Pi G2为火电机组i的有偿调峰第二档校正前基准，
Figure FDA0002432896920000031
为火电机组i在时刻t绑定的电采暖消耗的电功率；In the formula,
Figure FDA00024328969200000216
is the benchmark after calibration of the first gear of paid peak shaving of thermal power unit i at time t,
Figure FDA00024328969200000217
is the benchmark after calibration of the second gear of paid peak shaving of thermal power unit i at time t, P i G1 is the benchmark of the first gear of paid peak shaving of thermal power unit i before calibration, and P i G2 is the second gear of paid peak shaving of thermal power unit i benchmark before calibration,
Figure FDA0002432896920000031
is the electric power consumed by electric heating bound by thermal power unit i at time t; (1-2-7)辅助服务功率约束：(1-2-7) Ancillary service power constraints:
Figure FDA0002432896920000032
Figure FDA0002432896920000032
 (1-2-8)平均辅助服务调用比例约束：(1-2-8) The average auxiliary service invocation ratio constraint:
Figure FDA0002432896920000033
Figure FDA0002432896920000033
 式中，NG为电力系统中运行的火电机组总数；In the formula, N G is the total number of thermal power units running in the power system; (3)采用内点法，对步骤(1)建立的辅助服务市场中考虑电采暖的火电与风电联合调度模型进行求解，得到
Figure FDA0002432896920000034
的最优解，将得到的最优解作为辅助服务市场中考虑电采暖的火电与风电联合调度参数进行调度。(3) Using the interior point method, solve the joint dispatch model of thermal power and wind power considering electric heating in the auxiliary service market established in step (1), and obtain
Figure FDA0002432896920000034
The optimal solution obtained is used as a joint scheduling parameter of thermal power and wind power considering electric heating in the auxiliary service market for scheduling.
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