CN117239844B - Power system scheduling method, device and storage medium based on carbon emission responsibility - Google Patents
Power system scheduling method, device and storage medium based on carbon emission responsibility Download PDFInfo
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Abstract
The invention relates to a power system dispatching method, a device and a storage medium based on carbon emission responsibility, which are applied to the technical field of low-carbon economic dispatching of power systems and comprise the following steps: under the principle that the power generation side and the user side share carbon emission responsibility, a carbon inflow and carbon outflow balance formula of the node is established, carbon emission responsibility shared by the power generation side and the user side is calculated based on the balance formula, compared with the situation that all carbon emission responsibility in the prior art is pressed on enterprises such as thermal power, the technical scheme of the thermal power generation system effectively relieves cost pressure brought by the independent carbon emission responsibility, simultaneously obtains optimal unit combination under the minimum power generation cost and the minimum carbon emission cost based on the carbon emission responsibility of the power generation side, obtains the minimum carbon emission cost of the user side based on the carbon emission responsibility of the user side, rationalizes and guides electricity utilization behaviors of multiple types of users, and remarkably reduces economical efficiency and environmental friendliness of a novel electric power system.
Description
Technical Field
The invention relates to the technical field of low-carbon economic dispatching of power systems, in particular to a power system dispatching method, device and storage medium based on carbon emission responsibility.
Background
The novel power system aims at rapidly developing new energy sources such as wind power, photovoltaic and the like to be connected into the power system, reducing the dependence on fossil energy sources and relieving the problem of carbon pollution emission.
In the traditional low-carbon scheduling method of the electric power system, a large amount of fossil energy is consumed by a power supply at the power generation side such as thermal power and the like, so that the large carbon emission cost is caused, and the large carbon emission cost is born by enterprises such as thermal power and the like. Meanwhile, enterprises such as thermal power and the like meet the energy consumption requirements of multiple types of users under the ecological environment of the consumption area. That is, the carbon emission responsibility in the traditional power system is totally pressed on enterprises such as thermal power and the like, the adverse effect of the electricity utilization behavior of multiple types of users on the carbon emission reduction of the novel power system is ignored, and the system has the public compliance.
Disclosure of Invention
In view of the above, the present invention aims to provide a power system scheduling method, device and storage medium based on carbon emission responsibility, so as to solve the problem in the prior art that the carbon emission responsibility in the traditional power system is totally pressed on enterprises such as thermal power, and the adverse effect of multi-type user electricity utilization on carbon emission reduction of the novel power system is ignored, and the thermal power enterprises independently bear the cost pressure caused by the carbon emission responsibility.
According to a first aspect of an embodiment of the present invention, there is provided a power system scheduling method based on carbon emission responsibilities, the method comprising:
acquiring the power transmission quantity of each thermal power supply at the power generation side and the power consumption at each user side in the power system;
taking the power transmission quantity of each thermal power supply at the power generation side as carbon inflow, taking the power consumption at each user side as carbon outflow, and establishing nodes in the power systemiA balance formula of carbon inflow and carbon outflow;
based on the nodeiCarbon inflow and carbon outflow equilibrium formula of (2) to obtain nodeiCarbon emission responsibility of each thermal power supply on the power generation side of (a) and acquisition nodeiCarbon emission liability of each user side of (2);
node-basediCarbon emission responsibility of each thermal power supply on the power generation side of (1) to obtain nodesiCarbon emission cost of each thermal power supply on the power generation side;
under the condition that the preset constraint condition of the power generation side is met, acquiring a nodeiThe minimum power generation cost and the minimum carbon emission cost of each thermal power supply on the power generation side are obtained, and the optimal thermal power unit on the power generation side is obtained based on the minimum power generation cost and the minimum carbon emission cost;
node-basediCarbon emission responsibility of each user side of the optimal thermal power unit and real-time output of the optimal thermal power unit to obtain nodesiCarbon emission costs for each user of (a);
on the user side meeting the preset constraint barIn the case of a piece, the acquisition nodeiAnd the minimum carbon emission cost of each user is allocated to each user, so that the minimum carbon emission cost of each user is met, and the dispatching of the power system is performed.
Preferably, the method comprises the steps of,
under the condition that the preset constraint condition of the user side is met, acquiring a nodeiThe scheduling of the power system at the minimum carbon emission costs to meet the respective users' minimum carbon emission costs further comprises:
under the condition that the preset constraint condition of the user side is met, the energy consumption requirements of all users are adjusted through a preset requirement side strategy, and the node is obtainediMinimum carbon emission costs amortized to each user, minimum policy costs for each user to consider demand side policies;
feeding back the energy consumption requirement under the minimum strategy cost and the minimum carbon emission cost of each user to the acquisition nodeiAnd (3) acquiring a new optimal thermal power unit from the power generation cost and the carbon emission cost of each thermal power source on the power generation side, calculating the minimum carbon emission cost allocated to each user and the minimum strategy cost of each user considering the strategy on the demand side again based on the new optimal thermal power unit, and repeating the processes to realize the dispatching optimization of the power system.
Preferably, the method comprises the steps of,
the node is based oniCarbon inflow and carbon outflow equilibrium formula of (2) to obtain nodeiCarbon emission responsibility of each thermal power supply on the power generation side of (a) and acquisition nodeiThe carbon emission responsibilities of each user side of (1) include:
introducing an adjustable parameterAdjustable parameter->The value range of (2) is 0.ltoreq.L->If the temperature is less than or equal to 1, the adjustable parameters distributed to each thermal power supply at the power generation side are +.>The adjustable parameter assigned to the individual subscriber side is 1 _>；
Through the nodeiCarbon inflow and carbon outflow equilibrium formula calculation nodeiThe carbon flow rate contributed by each thermal power supply is controlled by adjustable parametersNode and method for manufacturing the sameiCarbon flow rate acquisition node for contribution of each thermal power supplyiCarbon emission responsibility of each thermal power supply on the power generation side;
through the nodeiCarbon inflow and carbon outflow equilibrium formula calculation nodeiLoad carbon flow rate at and computing nodeiFlow direction node of each thermal power supply at power generation sidekThe load carbon flow rate at the position is controlled by the adjustable parameter 1-NodeiLoad carbon flow rate at and nodeiFlow direction node of each thermal power supply at power generation sidekLoad carbon flow rate acquisition node atiCarbon emission responsibilities of the respective customer side.
Preferably, the method comprises the steps of,
the node-basediCarbon emission responsibility of each thermal power supply on the power generation side of (1) to obtain nodesiThe carbon emission cost of each thermal power source on the power generation side comprises:
acquisition nodeiSetting the power generation cost coefficient of each thermal power supply on the power generation side to obtain the power generation cost coefficient meeting the nodeiThe power generation power of each thermal power supply on the power generation side under the carbon emission responsibility of each thermal power supply on the power generation side;
based on the nodeiCarbon emission responsibility and node of each thermal power supply on power generation sideiThe power generation cost of each thermal power supply on the power generation side, the power generation cost coefficient of each thermal power supply on the power generation side and each thermal power supply on the power generation sideIs a power generation power calculation nodeiCarbon emission costs of each thermal power source on the power generation side.
Preferably, the method comprises the steps of,
the preset constraint condition of the power generation side comprises the following steps:
the output constraint of the power unit at the power generation side is that the output of the power unit at the power generation side is about that of each thermal power source at the power generation side, and the unit output meets the standard output range of the unit;
the carbon flow constraint of the power generation side power supply unit is that the carbon flow rate of each thermal power supply on the power generation side on a power transmission line meets the preset upper limit and lower limit of the carbon flow rate of each thermal power supply on the power generation side on the power transmission line;
and the climbing rate constraint of the power generation side power supply unit is that the climbing upper limit and the climbing lower limit of the unit are met for each thermal power supply on the power generation side.
Preferably, the method comprises the steps of,
the node-basediCarbon emission responsibility of each user side of the optimal thermal power unit and real-time output of the optimal thermal power unit to obtain nodesiThe carbon emission costs for each user of (a) include:
acquiring the cost of each user on the user side considering a preset demand side strategy, and acquiring the node of each user on the user sideiA kind of electronic devicetTime demand response, each user of the user side is at a nodeiA kind of electronic devicetThe moment demand response quantity meets the real-time output of the optimal thermal power unit;
the cost of the preset demand side strategy is considered by each user at the user side, and each user at the user side is at a nodeiA kind of electronic devicetDemand response amount and node at momentiCarbon emission responsibility acquisition node of each user of (a)iCarbon emission costs for each user of (a).
Preferably, the method comprises the steps of,
the user side constraint condition includes:
the method comprises the steps of demand response balance constraint, wherein the demand response balance constraint is that the power transmission capacity of a power generation side is always equal to the demand response capacity of a user side in a preset time period;
and the user node load variation constraint is that the demand response quantity of each user at the user side meets the preset demand response quantity range.
According to a second aspect of embodiments of the present invention, there is provided a carbon emission liability based power system scheduling apparatus, the apparatus comprising:
and a data acquisition module: the method is used for acquiring the power transmission quantity of each thermal power supply at the power generation side and the power consumption of each user side in the power system;
carbon balance module: the method is used for taking the power transmission quantity of each thermal power supply at the power generation side as carbon inflow, the power consumption at each user side as carbon outflow, and establishing nodes in the power systemiA balance formula of carbon inflow and carbon outflow;
a user side carbon emission responsibility acquisition module: for being based on the nodeiCarbon inflow and carbon outflow equilibrium formula of (2) to obtain nodeiCarbon emission responsibility of each thermal power supply on the power generation side of (a) and acquisition nodeiCarbon emission liability of each user side of (2);
the electricity generation side carbon emission responsibility acquisition module: for node-basediCarbon emission responsibility of each thermal power supply on the power generation side of (1) to obtain nodesiCarbon emission cost of each thermal power supply on the power generation side;
an optimal unit acquisition module: for acquiring a node in case of satisfaction of a preset power generation side constraint conditioniThe minimum power generation cost and the minimum carbon emission cost of each thermal power supply on the power generation side are obtained, and the optimal thermal power unit on the power generation side is obtained based on the minimum power generation cost and the minimum carbon emission cost;
a carbon emission cost acquisition module at the user side: for node-basediCarbon emission responsibility of each user side of the optimal thermal power unit and real-time output of the optimal thermal power unit to obtain nodesiCarbon emission costs for each user of (a);
and (3) an optimal scheduling module: for acquiring nodes under the condition that preset user side constraint conditions are metiIs distributed to the minimum carbon emission costs of the respective users to meet the minimum carbon emission costs of the respective usersScheduling of the power system.
According to a third aspect of embodiments of the present invention, there is provided a storage medium storing a computer program which, when executed by a master, implements the steps of the method of predicting renewable energy output.
The technical scheme provided by the embodiment of the invention can comprise the following beneficial effects:
according to the technical scheme, compared with the prior art that the carbon emission responsibility is fully pressed on enterprises such as thermal power and the like, the cost pressure brought by the carbon emission responsibility is effectively relieved by the thermal power enterprises, meanwhile, the minimum power generation cost of the power generation side and the optimal unit combination under the minimum carbon emission cost are acquired based on the carbon emission responsibility of the power generation side, the minimum carbon emission cost of the user side is acquired based on the carbon emission responsibility of the user side, the scheduling of the power system is carried out based on the minimum cost of the user side and the power generation side, the power utilization behaviors of multiple types of users are reasonably guided, and the economical efficiency and the environmental friendliness of the novel power system are remarkably reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a flow diagram illustrating a method of scheduling an electrical power system based on carbon emission responsibilities, according to an example embodiment;
FIG. 2 is a system diagram of an electrical power system dispatching device based on carbon emission responsibilities, shown according to another example embodiment;
in the accompanying drawings: the system comprises a 1-data acquisition module, a 2-carbon balance module, a 3-user side carbon emission responsibility acquisition module, a 4-power generation side carbon emission responsibility acquisition module, a 5-optimal unit acquisition module, a 6-user side carbon emission cost acquisition module and a 7-optimal scheduling module.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.
Example 1
FIG. 1 is a flow chart illustrating a method of scheduling a power system based on carbon emission responsibilities, as shown in FIG. 1, according to an exemplary embodiment, the method comprising:
s1, acquiring the power transmission quantity of each thermal power supply at the power generation side and the power consumption of each user side in a power system;
s2, taking the power transmission quantity of each thermal power supply at the power generation side as carbon inflow, taking the power consumption at each user side as carbon outflow, and establishing nodes in the power systemiA balance formula of carbon inflow and carbon outflow;
s3, based on the nodeiCarbon inflow and carbon outflow equilibrium formula of (2) to obtain nodeiCarbon emission responsibility of each thermal power supply on the power generation side of (a) and acquisition nodeiCarbon emission liability of each user side of (2);
s4, based on nodesiCarbon emission responsibility of each thermal power supply on the power generation side of (1) to obtain nodesiCarbon emission cost of each thermal power supply on the power generation side;
s5, under the condition that the preset constraint condition of the power generation side is met, acquiring a nodeiThe minimum power generation cost and the minimum carbon emission cost of each thermal power supply on the power generation side are obtained, and the optimal thermal power unit on the power generation side is obtained based on the minimum power generation cost and the minimum carbon emission cost;
s6, based on nodeiCarbon emission responsibility of each user side of the optimal thermal power unit and real-time output of the optimal thermal power unit to obtain nodesiCarbon emission costs for each user of (a);
s7, under the condition that the preset constraint condition of the user side is met, acquiring the nodeiThe minimum carbon emission cost of each user is allocated to the power system, so that the minimum carbon emission cost of each user is met, and the power system is scheduled;
it will be understood that assuming that a novel electric power system is composed of a plurality of power sources on the power generation side such as thermal power and a plurality of users, wherein the power generation side is regarded as carbon inflow, the user side is regarded as carbon outflow, and under the principle that the power generation side and the user side share carbon emission responsibility, one node in the novel electric power system is usedFor example, the carbon inflow and carbon outflow balance is expressed mathematically as follows:
in the method, in the process of the invention,is->Contribution to->Component size of (2); />Is->Strip node->Branch carbon flow rate of the carbon-infused stream; />Is->Bar slave node->The outflow branch carbon flow rate; />For node->Is included in the total injection carbon flow rate;
respectively establishing nodes based on the obtained carbon inflow and carbon outflow balance formulasiCost sharing model of carbon emission responsibility of each thermal power supply on power generation side and nodeiThe cost allocation model of the carbon emission responsibility of each user side can obtain the respective carbon emission responsibility of the power generation side and the user side based on the cost allocation model, a novel low-carbon economic dispatching model of the power system under the consideration of a carbon emission responsibility allocation mechanism is established, and the main steps are divided into two stages, namely, a first stage, the power source cost of the power generation side such as thermal power and the minimum carbon emission cost are taken as targets, the combination of each unit of the novel power system is optimized, the real-time output of each unit is determined, and the real-time output is conducted to the participation demand response of multiple types of user sides, so that the calculation of the apportionable carbon emission cost of various users is facilitated; the second stage, the minimum goal of participation demand response cost and apportionment carbon emission cost of the multi-type user side is optimized, various user electricity consumption behaviors are optimized, and the optimized electricity consumption load curve is fed back to the first stage for repeated iteration, so that a novel low-carbon economic dispatching scheme of the power system is obtained through the two-stage optimization calculation process; under the principle that the power generation side and the user side jointly bear carbon emission responsibility, a carbon inflow and carbon outflow balance formula of a node in the power system is established, and carbon emission responsibility borne by the power generation side and the user side is calculated respectively based on the carbon inflow and carbon outflow balance formulaThe method comprises the steps of acquiring the minimum power generation cost of the power generation side and the optimal unit combination under the minimum carbon emission cost based on the carbon emission responsibility of the power generation side, acquiring the minimum carbon emission cost of the user side based on the carbon emission responsibility of the user side, scheduling the power system based on the minimum cost of the user side and the power generation side, rationally guiding the power utilization behaviors of multiple types of users, and obviously reducing the economical efficiency and the environmental protection of the novel power system.
Preferably, the method comprises the steps of,
under the condition that the preset constraint condition of the user side is met, acquiring a nodeiThe scheduling of the power system at the minimum carbon emission costs to meet the respective users' minimum carbon emission costs further comprises:
under the condition that the preset constraint condition of the user side is met, the energy consumption requirements of all users are adjusted through a preset requirement side strategy, and the node is obtainediMinimum carbon emission costs amortized to each user, minimum policy costs for each user to consider demand side policies;
feeding back the energy consumption requirement under the minimum strategy cost and the minimum carbon emission cost of each user to the acquisition nodeiAcquiring a new optimal thermal power unit from the power generation cost and the carbon emission cost of each thermal power source on the power generation side, calculating the minimum carbon emission cost allocated to each user and the minimum strategy cost of each user considering the strategy on the demand side again based on the new optimal thermal power unit, and repeating the processes to realize the dispatching optimization of the power system;
it can be understood that in the second stage of optimization, the minimum carbon emission cost of each user is taken as a target, the energy consumption requirement and curve of each user are adjusted by using the requirement side strategy, so that the carbon emission cost of each user is obtained, under the condition that the preset constraint is met, the minimum carbon emission cost of each user and the minimum strategy cost of each user considering the requirement side strategy are obtained by solving, then the energy consumption requirement under the condition is fed back to the calculation process of the optimal thermal power unit in the first stage, the new optimal thermal power unit is obtained by solving, and the new low-carbon economic dispatching scheme of the electric power system is obtained by sequentially carrying out cyclic iteration.
Preferably, the method comprises the steps of,
the node is based oniCarbon inflow and carbon outflow equilibrium formula of (2) to obtain nodeiCarbon emission responsibility of each thermal power supply on the power generation side of (a) and acquisition nodeiThe carbon emission responsibilities of each user side of (1) include:
introducing an adjustable parameterAdjustable parameter->The value range of (2) is 0.ltoreq.L->If the temperature is less than or equal to 1, the adjustable parameters distributed to each thermal power supply at the power generation side are +.>The adjustable parameter assigned to the individual subscriber side is 1 _>；
Through the nodeiCarbon inflow and carbon outflow equilibrium formula calculation nodeiThe carbon flow rate contributed by each thermal power supply is controlled by adjustable parametersNode and method for manufacturing the sameiCarbon flow rate acquisition node for contribution of each thermal power supplyiCarbon emission responsibility of each thermal power supply on the power generation side;
through the nodeiCarbon inflow and carbon outflow equilibrium formula calculation nodeiLoad carbon flow rate at and computing nodeiFlow direction node of each thermal power supply at power generation sidekThe load carbon flow rate at the position is controlled by the adjustable parameter 1-NodeiLoad carbon flow rate at and nodeiFlow direction node of each thermal power supply at power generation sidekLoad carbon flow atRate acquisition nodeiCarbon emission liability of each user side of (2);
it will be appreciated that it is assumed that in the conventional carbon emission apportionment model, an adjustable parameter is introduced, namelyAt this time, the adjustable parameter assigned to the power source of the power generation side such as thermal power is recorded +.>Adjustable parameters assigned to multiple types of users, note +.>Therefore, the carbon inflow and carbon outflow are combined, and a certain node in the novel electric power system is used for +.>For example, a power generation side and user side carbon emission apportionment model is established as follows:
in the method, in the process of the invention,for node->Carbon emission responsibility borne by power sources on the power generation side such as thermal power and the like; />For node->Carbon emission responsibility borne by various user sides; />Is->Middle node->A carbon flow rate contributed by a power generation side power supply such as a thermal power generation side; />For node->Load carbon flow rate at; />For node->Power supply flow direction node of power generation side such as power generation side>Carbon flow rate at the load.
Preferably, the method comprises the steps of,
the node-basediCarbon emission responsibility of each thermal power supply on the power generation side of (1) to obtain nodesiThe carbon emission cost of each thermal power source on the power generation side comprises:
acquisition nodeiSetting the power generation cost coefficient of each thermal power supply on the power generation side to obtain the power generation cost coefficient meeting the nodeiThe power generation power of each thermal power supply on the power generation side under the carbon emission responsibility of each thermal power supply on the power generation side;
based on the nodeiCarbon emission responsibility and node of each thermal power supply on power generation sideiThe power generation cost of each thermal power supply on the power generation side, the power generation cost coefficient of each thermal power supply on the power generation side and the power generation power calculation node of each thermal power supply on the power generation sideiCarbon emission cost of each thermal power supply on the power generation side;
it can be understood that the power source cost and the carbon emission cost of the power generation side such as thermal power are optimized by taking the minimum as the target, and each unit combination of the novel power system is optimized by the following formula:
wherein,
in the method, in the process of the invention,is at->Node of time->The power generation cost of a power generation side power supply such as thermal power; />Is at->Time nodeCarbon emission responsibility of power sources on the power generation side such as thermal power and the like; />The power generation cost coefficient is the power generation cost coefficient of a power generation side power supply of thermal power and the like; />Is at->Node of time->The power generated by a power source on the power generation side such as thermal power.
Preferably, the method comprises the steps of,
the preset constraint condition of the power generation side comprises the following steps:
the output constraint of the power unit at the power generation side is that the output of the power unit at the power generation side is about that of each thermal power source at the power generation side, and the unit output meets the standard output range of the unit;
the carbon flow constraint of the power generation side power supply unit is that the carbon flow rate of each thermal power supply on the power generation side on a power transmission line meets the preset upper limit and lower limit of the carbon flow rate of each thermal power supply on the power generation side on the power transmission line;
the climbing rate constraint of the power unit at the power generation side is that the climbing rate constraint of the power unit at the power generation side meets the climbing upper limit and the climbing lower limit of the power unit per se of each thermal power source at the power generation side;
it can be understood that, in order to meet the smooth development of the first-stage optimization process, the power sources such as the power generation side thermal power and the like need to meet the corresponding constraint conditions, as follows:
(1) The output constraint of a power unit at the power generation side such as thermal power and the like is as follows:
in the method, in the process of the invention,for node->The upper and lower limits of the output power of the power generation side power supply such as thermal power.
(2) Carbon flow constraint of power generating side power supply units such as thermal power and the like is as follows:
in the method, in the process of the invention,the carbon flow rate of a power supply on a line of a power generation side such as thermal power; />On the line for generating-side power supply of thermal power or the likeUpper and lower limits of carbon flow rate.
(3) Climbing rate constraint of power generation side power units such as thermal power and the like is as follows:
in the method, in the process of the invention,for node->Climbing upper and lower limits of power supply of thermal power and other power generation side.
Preferably, the method comprises the steps of,
the node-basediCarbon emission responsibility of each user side of the optimal thermal power unit and real-time output of the optimal thermal power unit to obtain nodesiThe carbon emission costs for each user of (a) include:
acquiring the cost of each user on the user side considering a preset demand side strategy, and acquiring the node of each user on the user sideiA kind of electronic devicetTime demand response, each user of the user side is at a nodeiA kind of electronic devicetThe moment demand response quantity meets the real-time output of the optimal thermal power unit;
the cost of the preset demand side strategy is considered by each user at the user side, and each user at the user side is at a nodeiA kind of electronic devicetDemand response amount and node at momentiCarbon emission responsibility acquisition node of each user of (a)iCarbon emission costs for each user of (a);
it can be understood that, in combination with the real-time output condition of each unit in the first stage, the optimization in the second stage aims at the minimum apportioned carbon emission cost of various users, and the energy demand and curve of various users are adjusted by using the demand side strategy, so as to obtain the carbon emission cost apportioned to various users, as follows:
in the method, in the process of the invention,the cost of the demand side strategy is considered for various users; />Is->User at moment at node->Is a demand response amount of (1); />Is->User at moment at node->The carbon emission responsibility is assumed.
Preferably, the method comprises the steps of,
the user side constraint condition includes:
the method comprises the steps of demand response balance constraint, wherein the demand response balance constraint is that the power transmission capacity of a power generation side is always equal to the demand response capacity of a user side in a preset time period;
the method comprises the steps of restraining load variation of a user node, wherein the load variation constraint of the user node is that the demand response quantity of each user at a user side meets a preset demand response quantity range;
it can be understood that, in order to meet the smooth development of the second-stage optimization process, various users should meet the corresponding constraint conditions when considering the demand response strategy and the adjustment energy consumption curve, as follows:
(1) The demand response balance constraint is as follows:
(2) Various user node load variation constraints are as follows:
example two
Fig. 2 is a system schematic diagram of a carbon emission responsibility based power system scheduling apparatus, according to another exemplary embodiment, comprising:
data acquisition module 1: the method is used for acquiring the power transmission quantity of each thermal power supply at the power generation side and the power consumption of each user side in the power system;
carbon balance module 2: the method is used for taking the power transmission quantity of each thermal power supply at the power generation side as carbon inflow, the power consumption at each user side as carbon outflow, and establishing nodes in the power systemiA balance formula of carbon inflow and carbon outflow;
user side carbon emission responsibility acquisition module 3: for being based on the nodeiCarbon inflow and carbon outflow equilibrium formula of (2) to obtain nodeiCarbon emission responsibility of each thermal power supply on the power generation side of (a) and acquisition nodeiCarbon emission liability of each user side of (2);
power generation side carbon emission responsibility acquisition module 4: for node-basediCarbon emission responsibility of each thermal power supply on the power generation side of (1) to obtain nodesiCarbon emission cost of each thermal power supply on the power generation side;
the optimal unit acquisition module 5: for acquiring a node in case of satisfaction of a preset power generation side constraint conditioniThe minimum power generation cost and the minimum carbon emission cost of each thermal power supply on the power generation side are obtained, and the optimal thermal power unit on the power generation side is obtained based on the minimum power generation cost and the minimum carbon emission cost;
customer side carbon emission cost acquisition module 6: for node-basediCarbon emission responsibility of each user side of the optimal thermal power unit and real-time output of the optimal thermal power unit to obtain nodesiCarbon emission costs for each user of (a);
the optimal scheduling module 7: for acquiring nodes under the condition that preset user side constraint conditions are metiIs shared to each user's minimum carbon emission costs,scheduling the power system with minimum carbon emission cost meeting the requirements of each user;
it can be understood that the data acquisition module 1 is used for acquiring the power transmission amount of each thermal power source at the power generation side and the power consumption at each user side in the power system; the carbon balance module 2 is used for taking the power transmission amount of each thermal power source at the power generation side as carbon inflow, the power consumption at each user side as carbon outflow, and establishing nodes in the power systemiA balance formula of carbon inflow and carbon outflow; for obtaining the module 3 through the carbon emission responsibility of the user side based on the nodeiCarbon inflow and carbon outflow equilibrium formula of (2) to obtain nodeiCarbon emission responsibility of each thermal power supply on the power generation side of (a) and acquisition nodeiCarbon emission liability of each user side of (2); the carbon emission responsibility acquisition module 4 on the power generation side is used for node-basediCarbon emission responsibility of each thermal power supply on the power generation side of (1) to obtain nodesiCarbon emission cost of each thermal power supply on the power generation side; the optimal unit acquisition module 5 is used for acquiring nodes under the condition that preset constraint conditions of the power generation side are metiThe minimum power generation cost and the minimum carbon emission cost of each thermal power supply on the power generation side are obtained, and the optimal thermal power unit on the power generation side is obtained based on the minimum power generation cost and the minimum carbon emission cost; for node-based carbon emission cost acquisition by customer side carbon emission cost acquisition module 6iCarbon emission responsibility of each user side of the optimal thermal power unit and real-time output of the optimal thermal power unit to obtain nodesiCarbon emission costs for each user of (a); the optimized scheduling module 7 is used for acquiring the node under the condition that the preset constraint condition of the user side is metiThe minimum carbon emission cost of each user is allocated to the power system, so that the minimum carbon emission cost of each user is met, and the power system is scheduled; under the principle that the power generation side and the user side jointly bear carbon emission responsibility, a carbon inflow and carbon outflow balance formula of a node in the power system is established, carbon emission responsibility borne by the power generation side and the user side is calculated respectively based on the carbon inflow and carbon outflow balance formula, and compared with the prior art that the carbon emission responsibility is totally pressed on enterprises such as thermal power, the technical scheme of the application effectively relieves the independent bearing of the carbon emission responsibility of thermal power enterprisesThe cost pressure is obtained, meanwhile, the minimum power generation cost of the power generation side and the optimal unit combination under the minimum carbon emission cost are obtained based on the carbon emission responsibility of the power generation side, the minimum carbon emission cost of the user side is obtained based on the carbon emission responsibility of the user side, the scheduling of the power system is carried out based on the minimum costs of the user side and the power generation side, the power utilization behaviors of multiple types of users are reasonably guided, and the economical efficiency and the environmental protection performance of the novel power system are remarkably reduced.
Embodiment III:
the present embodiment provides a storage medium storing a computer program which, when executed by a master controller, implements each step in the above method;
it is to be understood that the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
It is to be understood that the same or similar parts in the above embodiments may be referred to each other, and that in some embodiments, the same or similar parts in other embodiments may be referred to.
It should be noted that in the description of the present invention, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "plurality" means at least two.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It is to be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the above-described embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, and where the program, when executed, includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing module, or each unit may exist alone physically, or two or more units may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product.
The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, or the like.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (6)
1. A method for dispatching an electric power system based on carbon emission responsibility, the method comprising:
acquiring the power transmission quantity of each thermal power supply at the power generation side and the power consumption at each user side in the power system;
taking the power transmission quantity of each thermal power supply at the power generation side as carbon inflow, taking the power consumption at each user side as carbon outflow, and establishing nodes in the power systemiA balance formula of carbon inflow and carbon outflow;
based on the nodeiCarbon inflow and carbon outflow equilibrium formula of (2) to obtain nodeiCarbon emission responsibility of each thermal power supply on the power generation side of (a) and acquisition nodeiCarbon emission liability of each user side of (2);
node-basediCarbon emission responsibility of each thermal power supply on the power generation side of (1) to obtain nodesiCarbon emission costs of each thermal power source on the power generation side of (1) include:
acquisition nodeiSetting the power generation cost coefficient of each thermal power supply on the power generation side to obtain the power generation cost coefficient meeting the nodeiThe power generation power of each thermal power supply on the power generation side under the carbon emission responsibility of each thermal power supply on the power generation side;
based on the nodeiCarbon emission responsibility and node of each thermal power supply on power generation sideiThe power generation cost of each thermal power supply on the power generation side, the power generation cost coefficient of each thermal power supply on the power generation side and the power generation power calculation node of each thermal power supply on the power generation sideiCarbon emission cost of each thermal power supply on the power generation side;
under the condition that the preset constraint condition of the power generation side is met, acquiring a nodeiMinimum power generation cost and minimum carbon emission of each thermal power supply on the power generation sideThe optimal thermal power generating unit based on the minimum power generation cost and the minimum carbon emission cost on the power generation side further comprises:
under the condition that the preset constraint condition of the user side is met, the energy consumption requirements of all users are adjusted through a preset requirement side strategy, and the node is obtainediMinimum carbon emission costs amortized to each user, minimum policy costs for each user to consider demand side policies;
feeding back the energy consumption requirement under the minimum strategy cost and the minimum carbon emission cost of each user to the acquisition nodeiAcquiring a new optimal thermal power unit from the power generation cost and the carbon emission cost of each thermal power source on the power generation side, calculating the minimum carbon emission cost allocated to each user and the minimum strategy cost of each user considering the strategy on the demand side again based on the new optimal thermal power unit, and repeating the processes to realize the dispatching optimization of the power system;
node-basediCarbon emission responsibility of each user side of the optimal thermal power unit and real-time output of the optimal thermal power unit to obtain nodesiCarbon emission costs for each user of (a) include:
acquiring the cost of each user on the user side considering a preset demand side strategy, and acquiring the node of each user on the user sideiA kind of electronic devicetTime demand response, each user of the user side is at a nodeiA kind of electronic devicetThe moment demand response quantity meets the real-time output of the optimal thermal power unit;
the cost of the preset demand side strategy is considered by each user at the user side, and each user at the user side is at a nodeiA kind of electronic devicetDemand response amount and node at momentiCarbon emission responsibility acquisition node of each user of (a)iCarbon emission costs for each user of (a);
under the condition that the preset constraint condition of the user side is met, acquiring the nodeiAnd the minimum carbon emission cost of each user is allocated to each user, so that the minimum carbon emission cost of each user is met, and the dispatching of the power system is performed.
2. The method of claim 1, wherein the step of determining the position of the substrate comprises,
the node is based oniCarbon inflow and carbon outflow equilibrium formula of (2) to obtain nodeiCarbon emission responsibility of each thermal power supply on the power generation side of (a) and acquisition nodeiThe carbon emission responsibilities of each user side of (1) include:
introducing an adjustable parameterAdjustable parameter->The value range of (2) is 0.ltoreq.L->If the temperature is less than or equal to 1, the adjustable parameters distributed to each thermal power supply at the power generation side are +.>The adjustable parameter assigned to the individual subscriber side is 1 _>；
Through the nodeiCarbon inflow and carbon outflow equilibrium formula calculation nodeiThe carbon flow rate contributed by each thermal power supply is controlled by adjustable parametersNode and method for manufacturing the sameiCarbon flow rate acquisition node for contribution of each thermal power supplyiCarbon emission responsibility of each thermal power supply on the power generation side;
through the nodeiCarbon inflow and carbon outflow equilibrium formula calculation nodeiLoad carbon flow rate at and computing nodeiFlow direction node of each thermal power supply at power generation sidekThe load carbon flow rate at the position is controlled by the adjustable parameter 1-NodeiLoad carbon flow rate at and nodeiFlow direction joint of each thermal power supply at power generation sidePoint(s)kLoad carbon flow rate acquisition node atiCarbon emission responsibilities of the respective customer side.
3. The method of claim 2, wherein the step of determining the position of the substrate comprises,
the preset constraint condition of the power generation side comprises the following steps:
the output constraint of the power unit at the power generation side is that the output of the power unit of each thermal power source at the power generation side meets the standard output range of the power unit;
the carbon flow constraint of the power generation side power supply unit is that the carbon flow rate of each thermal power supply on the power generation side on a power transmission line meets the preset upper limit and lower limit of the carbon flow rate of each thermal power supply on the power generation side on the power transmission line;
and the climbing rate constraint of the power generation side power supply unit is that the climbing upper limit and the climbing lower limit of the unit are met for each thermal power supply on the power generation side.
4. The method of claim 3, wherein the step of,
the user side constraint condition includes:
the method comprises the steps of demand response balance constraint, wherein the demand response balance constraint is that the power transmission capacity of a power generation side is always equal to the demand response capacity of a user side in a preset time period;
and the user node load variation constraint is that the demand response quantity of each user at the user side meets the preset demand response quantity range.
5. An electric power system dispatching device based on carbon emission responsibility, characterized in that the device comprises:
and a data acquisition module: the method is used for acquiring the power transmission quantity of each thermal power supply at the power generation side and the power consumption of each user side in the power system;
carbon balance module: for taking the power transmission amount of each thermal power supply at the power generation side as carbon inflow and the power consumption amount at each user side as carbon outflow,establishing a node in the power systemiA balance formula of carbon inflow and carbon outflow;
a user side carbon emission responsibility acquisition module: for being based on the nodeiCarbon inflow and carbon outflow equilibrium formula of (2) to obtain nodeiCarbon emission responsibility of each thermal power supply on the power generation side of (a) and acquisition nodeiCarbon emission liability of each user side of (2);
the electricity generation side carbon emission responsibility acquisition module: for node-basediCarbon emission responsibility of each thermal power supply on the power generation side of (1) to obtain nodesiCarbon emission costs of each thermal power source on the power generation side of (1) include:
acquisition nodeiSetting the power generation cost coefficient of each thermal power supply on the power generation side to obtain the power generation cost coefficient meeting the nodeiThe power generation power of each thermal power supply on the power generation side under the carbon emission responsibility of each thermal power supply on the power generation side;
based on the nodeiCarbon emission responsibility and node of each thermal power supply on power generation sideiThe power generation cost of each thermal power supply on the power generation side, the power generation cost coefficient of each thermal power supply on the power generation side and the power generation power calculation node of each thermal power supply on the power generation sideiCarbon emission cost of each thermal power supply on the power generation side;
an optimal unit acquisition module: for acquiring a node in case of satisfaction of a preset power generation side constraint conditioniThe minimum power generation cost and the minimum carbon emission cost of each thermal power source on the power generation side, and obtaining the optimal thermal power unit on the power generation side based on the minimum power generation cost and the minimum carbon emission cost, further comprises:
under the condition that the preset constraint condition of the user side is met, the energy consumption requirements of all users are adjusted through a preset requirement side strategy, and the node is obtainediMinimum carbon emission costs amortized to each user, minimum policy costs for each user to consider demand side policies;
feeding back the energy consumption requirement under the minimum strategy cost and the minimum carbon emission cost of each user to the acquisition nodeiIn the power generation cost and the carbon emission cost of each thermal power supply on the power generation sideAcquiring a new optimal thermal power unit, calculating the minimum carbon emission cost allocated to each user and the minimum strategy cost of each user considering a demand side strategy again based on the new optimal thermal power unit, and repeating the processes to realize the scheduling optimization of the power system;
a carbon emission cost acquisition module at the user side: for node-basediCarbon emission responsibility of each user side of the optimal thermal power unit and real-time output of the optimal thermal power unit to obtain nodesiCarbon emission costs for each user of (a) include:
acquiring the cost of each user on the user side considering a preset demand side strategy, and acquiring the node of each user on the user sideiA kind of electronic devicetTime demand response, each user of the user side is at a nodeiA kind of electronic devicetThe moment demand response quantity meets the real-time output of the optimal thermal power unit;
the cost of the preset demand side strategy is considered by each user at the user side, and each user at the user side is at a nodeiA kind of electronic devicetDemand response amount and node at momentiCarbon emission responsibility acquisition node of each user of (a)iCarbon emission costs for each user of (a);
and (3) an optimal scheduling module: for acquiring nodes under the condition that preset user side constraint conditions are metiAnd the minimum carbon emission cost of each user is allocated to each user, so that the minimum carbon emission cost of each user is met, and the dispatching of the power system is performed.
6. A storage medium storing a computer program which, when executed by a master, implements the steps of the carbon emission liability based power system scheduling method of any of claims 1 to 4.
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