Electricity-hydrogen fusion energy hub scheduling method and device considering peak regulation service

Abstract

The invention relates to the technical field of comprehensive energy, and particularly provides an electricity-hydrogen fusion energy hub scheduling method and device considering peak regulation service, and the method comprises the steps: solving a pre-constructed electricity-hydrogen fusion energy hub scheduling upper layer model, and obtaining a first optimization quantity; solving a pre-constructed electricity-hydrogen fusion energy hub scheduling lower-layer model to obtain a second optimization quantity; based on the first optimization quantity and the second optimization quantity, electricity-hydrogen fusion energy hub scheduling is carried out; the first optimization quantity comprises at least one of the following: dispatching electric quantity, dispatching heat and dispatching hydrogen quantity of the electro-hydrogen fusion energy system, and the second optimization quantity comprises at least one of the following: hydrogen storage capacity of a hydrogen storage tank in the electro-hydrogen fusion energy system, electrolytic tank input power, fuel cell output power and wind and light abandoning power. According to the technical scheme provided by the invention, the power-hydrogen fusion energy hub can participate in power grid peak regulation, the income of the energy hub is increased, and the new energy consumption rate is improved.

Description

Technical Field

[0001] The present invention relates to the field of integrated energy technology, and in particular to a method and device for dispatching an electric-hydrogen fusion energy hub taking into account peak load regulation services. Background Art

[0002] At present, the global energy structure is undergoing transformation and clean energy is emerging. As the main forms of clean energy generation, wind power generation and photovoltaic power generation are greatly affected by the environment and have greater volatility. The energy hub of electric-hydrogen fusion uses its electric-hydrogen coupling equipment to achieve the conversion of electricity and hydrogen, hydrogen and electricity, which is a powerful way to increase the consumption rate of new energy. By converting electrical energy into hydrogen energy through electrolytic cells, long-term storage of new energy can be achieved. At the same time, hydrogen-electricity conversion can be achieved with the help of fuel cells to provide support for peak load regulation of the power grid.

[0003] In this process, the energy hub can obtain revenue from peak load regulation, hydrogen sales, and heat sales. At present, there are few studies on the dispatching method of the electric-hydrogen fusion energy hub taking into account the peak load regulation service. Therefore, it is urgent to propose a dispatching method of the electric-hydrogen fusion energy hub taking into account the peak load regulation service to promote the efficient use of clean energy such as wind and solar power, and at the same time participate in the peak load regulation of the power grid and improve the stability of the power grid. Summary of the invention

[0004] In order to overcome the above-mentioned defects, the present invention proposes a method and device for dispatching an electric-hydrogen fusion energy hub taking into account peak-shaving services.

[0005] In a first aspect, a method for dispatching an electric-hydrogen fusion energy hub taking into account peak load regulation services is provided, wherein the method for dispatching an electric-hydrogen fusion energy hub taking into account peak load regulation services comprises:

[0006] Solve the pre-built upper-level model of the electric-hydrogen fusion energy hub dispatch to obtain the first optimization quantity;

[0007] Solve the pre-built lower-level model of the electric-hydrogen fusion energy hub dispatch to obtain the second optimization quantity;

[0008] Performing electric-hydrogen fusion energy hub scheduling based on the first optimization amount and the second optimization amount;

[0009] The first optimization quantity includes at least one of the following: the dispatched electricity, dispatched heat, and dispatched hydrogen quantity of the electric-hydrogen fusion energy system; the second optimization quantity includes at least one of the following: the hydrogen storage capacity of the hydrogen storage tank in the electric-hydrogen fusion energy system, the input power of the electrolytic cell, the output power of the fuel cell, and the abandoned wind and solar power.

[0010] Preferably, the upper-level model of the electric-hydrogen fusion energy hub dispatch is as follows:

[0011] maxF up (t) = F income (t)-Fout (t)

[0012] In the above formula, F up (t) is the target value of the upper-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F income (t) is the total revenue of the energy hub during period t, F out (t) is the energy hub cost during period t.

[0013] Furthermore, the total revenue of the energy hub in the t period is as follows:

[0014]

[0015] In the above formula, F sell (t) is the electricity sales revenue of the energy hub, F peak (t) is the peak load ancillary service income of the energy hub, F Q (t) is the revenue from heat sales at the energy hub, F H (t) is the revenue from hydrogen sales at the energy hub, and T is the total number of dispatch periods.

[0016] Furthermore, the electricity sales revenue of the energy hub is as follows:

[0017] F sell (t) = P sell (t)×m sell (t)

[0018] The energy hub’s heat sales revenue is as follows:

[0019] F Q (t) = P Q (t)×m Q (t)

[0020] The revenue from hydrogen sales at the energy hub is as follows:

[0021] F H (t) = P H (t)×m H (t)

[0022] In the above formula, P sell (t) is the dispatching power of the hydrogen-electric fusion energy system during period t, m sell (t) is the peak-valley electricity price during period t, P Q (t) is the dispatching heat of the electric-hydrogen fusion energy system during period t, m Q (t) is the hot selling price in period t, P H (t) is the dispatched hydrogen quantity of the electric-hydrogen fusion energy system during period t, m H (t) is the hydrogen selling price during period t.

[0023] Preferably, the pre-constructed lower-level model for dispatching the electric-hydrogen fusion energy hub includes: the objective function of the lower-level model for dispatching the electric-hydrogen fusion energy hub and its corresponding constraints.

[0024] Furthermore, the objective function of the pre-constructed lower-level model of the electric-hydrogen fusion energy hub dispatch is as follows:

[0025] f down (t) = F ECS (t)+F FCS (t)+F fine (t)

[0026] In the above formula, F down (t) is the objective function of the lower-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F ECS (t) is the energy cost of the electrolytic cell for electricity-hydrogen conversion during period t, F FCS (t) is the energy cost of the fuel cell for hydrogen-electricity conversion during period t, F fine (t) is the cost of wind and solar power curtailment for new energy consumption at the energy hub during period t.

[0027] Furthermore, the energy consumption cost of the electricity-to-hydrogen conversion energy loss of the electrolytic cell during the t period is as follows:

[0028] F ECS (t) = P EC (t)×m EC (t)

[0029] The energy consumption cost of the fuel cell for hydrogen-electricity conversion during the t period is as follows:

[0030] F FCS (t) = P FC (t)×m FC (t)

[0031] The cost of wind and solar power abandonment for new energy consumption in the energy hub during the t period

[0032] F fine (t) = P waste (t)×m waste (t)

[0033] In the above formula, P EC (t) is the input power of the electrolytic cell in the electric-hydrogen fusion energy system during period t, m EC (t) is the energy cost of electricity-hydrogen conversion energy loss during period t, P FC (t) is the output power of the fuel cell in the electric-hydrogen fusion energy system during time period t, m FC (t) is the energy cost of hydrogen-electricity conversion energy loss during period t, P waste(t) is the abandoned wind and solar power in the hydrogen-electric fusion energy system during period t, m waste (t) is the penalty coefficient for wind and solar power abandonment during period t.

[0034] Furthermore, the constraints are as follows:

[0035]

[0036] P FC,min ≤P FC (t)≤P FC,max

[0037] HS min ≤HS(t)≤HS max

[0038] In the above formula, are the minimum input power and maximum input power of the electrolytic cell during period t, respectively. FC,min , P FC,max They are the minimum and maximum output of the fuel cell, HS min , HS max are the minimum hydrogen storage capacity and the maximum hydrogen storage capacity of the hydrogen storage tank respectively, and HS(t) is the hydrogen storage capacity of the hydrogen storage tank during period t.

[0039] In a second aspect, a dispatching device for an electric-hydrogen fusion energy hub taking into account peak load regulation service is provided, wherein the dispatching device for an electric-hydrogen fusion energy hub taking into account peak load regulation service comprises:

[0040] The first analysis module is used to solve the pre-built upper-level model of the electric-hydrogen fusion energy hub dispatch to obtain the first optimization quantity;

[0041] The second analysis module is used to solve the pre-built lower-level model of the electric-hydrogen fusion energy hub dispatch to obtain the second optimization quantity;

[0042] A scheduling module, used for scheduling the electric-hydrogen fusion energy hub based on the first optimization amount and the second optimization amount;

[0043] The first optimization quantity includes at least one of the following: the dispatched electricity, dispatched heat, and dispatched hydrogen quantity of the electric-hydrogen fusion energy system; the second optimization quantity includes at least one of the following: the hydrogen storage capacity of the hydrogen storage tank in the electric-hydrogen fusion energy system, the input power of the electrolytic cell, the output power of the fuel cell, and the abandoned wind and solar power.

[0044] Preferably, the upper-level model of the electric-hydrogen fusion energy hub dispatch is as follows:

[0045] maxF up (t) = F income (t)-F out (t)

[0046] In the above formula, F up (t) is the target value of the upper-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F income (t) is the total revenue of the energy hub during period t, F out (t) is the energy hub cost during period t.

[0047] Furthermore, the total revenue of the energy hub in the t period is as follows:

[0048]

[0049] In the above formula, F sell (t) is the electricity sales revenue of the energy hub, F peak (t) is the peak load ancillary service income of the energy hub, F Q (t) is the revenue from heat sales at the energy hub, F H (t) is the revenue from hydrogen sales at the energy hub, and T is the total number of dispatch periods.

[0050] Furthermore, the electricity sales revenue of the energy hub is as follows:

[0051] F sell (t) = P sell (t)×m sell (t)

[0052] The energy hub’s heat sales revenue is as follows:

[0053] F Q (t) = P Q (t)×m Q (t)

[0054] The revenue from hydrogen sales at the energy hub is as follows:

[0055] F H (t) = P H (t)×m H (t)

[0056] In the above formula, P sell (t) is the dispatching power of the hydrogen-electric fusion energy system during period t, m sell (t) is the peak-valley electricity price during period t, P Q (t) is the dispatching heat of the electric-hydrogen fusion energy system during period t, m Q (t) is the hot selling price in period t, P H (t) is the dispatched hydrogen quantity of the electric-hydrogen fusion energy system during period t, m H (t) is the hydrogen selling price during period t.

[0057] Preferably, the pre-constructed lower-level model for dispatching the electric-hydrogen fusion energy hub includes: the objective function of the lower-level model for dispatching the electric-hydrogen fusion energy hub and its corresponding constraints.

[0058] Furthermore, the objective function of the pre-constructed lower-level model of the electric-hydrogen fusion energy hub dispatch is as follows:

[0059] f down (t) = F ECS (t)+F FCS (t)+F fine (t)

[0060] In the above formula, F down (t) is the objective function of the lower-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F ECS (t) is the energy cost of the electrolytic cell for electricity-hydrogen conversion during period t, F FCS (t) is the energy cost of the fuel cell for hydrogen-electricity conversion during period t, F fine (t) is the cost of wind and solar power curtailment for new energy consumption at the energy hub during period t.

[0061] Furthermore, the energy consumption cost of the electricity-to-hydrogen conversion energy loss of the electrolytic cell during the t period is as follows:

[0062] F ECS (t) = P EC (t)×m EC (t)

[0063] The energy consumption cost of the fuel cell for hydrogen-electricity conversion during the t period is as follows:

[0064] F FCS (t) = P FC (t)×m FC (t)

[0065] The cost of wind and solar power abandonment for new energy consumption in the energy hub during the t period

[0066] F fine (t) = P waste (t)×m waste (t)

[0067] In the above formula, P EC (t) is the input power of the electrolytic cell in the electric-hydrogen fusion energy system during period t, m EC (t) is the energy cost of electricity-hydrogen conversion energy loss during period t, P FC (t) is the output power of the fuel cell in the electric-hydrogen fusion energy system during time period t, m FC (t) is the energy cost of hydrogen-electricity conversion energy loss during period t, P waste(t) is the abandoned wind and solar power in the hydrogen-electric fusion energy system during period t, m waste (t) is the penalty coefficient for wind and solar power abandonment during period t.

[0068] Furthermore, the constraints are as follows:

[0069]

[0070] P FC,min ≤P FC (t)≤P FC,max

[0071] HS min ≤HS(t)≤HS max

[0072] In the above formula, are the minimum input power and maximum input power of the electrolytic cell during period t, respectively. FC,min , P FC,max They are the minimum and maximum output of the fuel cell, HS min , HS max are the minimum hydrogen storage capacity and the maximum hydrogen storage capacity of the hydrogen storage tank respectively, and HS(t) is the hydrogen storage capacity of the hydrogen storage tank during period t.

[0073] In a third aspect, a computer device is provided, comprising: one or more processors;

[0074] The processor is configured to execute one or more programs;

[0075] When the one or more programs are executed by the one or more processors, the electric-hydrogen fusion energy hub scheduling method taking into account peak-shaving services is implemented.

[0076] In a fourth aspect, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed, the method for dispatching the electric-hydrogen fusion energy hub taking into account peak-shaving services is implemented.

[0077] The above one or more technical solutions of the present invention have at least one or more of the following beneficial effects:

[0078] The present invention provides a method and device for dispatching an electric-hydrogen fusion energy hub taking into account peak-shaving services, including: solving a pre-constructed upper-level dispatching model of an electric-hydrogen fusion energy hub to obtain a first optimization quantity; solving a pre-constructed lower-level dispatching model of an electric-hydrogen fusion energy hub to obtain a second optimization quantity; dispatching the electric-hydrogen fusion energy hub based on the first optimization quantity and the second optimization quantity; the first optimization quantity includes at least one of the following: dispatching electricity, dispatching heat, and dispatching hydrogen in the electric-hydrogen fusion energy system, and the second optimization quantity includes at least one of the following: hydrogen storage capacity of hydrogen storage tanks, input power of electrolyzers, output power of fuel cells, and abandoned wind and solar power in the electric-hydrogen fusion energy system. The technical solution provided by the present invention gives full play to the potential of the electric-hydrogen fusion energy hub in the peak-shaving of the power grid, and realizes the coordinated operation between the electric-hydrogen fusion energy hub and the power grid through a refined dispatching strategy, thereby effectively participating in the peak-shaving process of the power grid, increasing the income of the energy hub, and improving the new energy consumption rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0079] Figure 1 It is a flow chart of the main steps of the method for dispatching an electric-hydrogen fusion energy hub taking into account peak load regulation services according to an embodiment of the present invention. DETAILED DESCRIPTION

[0080] The specific implementation modes of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0081] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0082] As disclosed in the background technology, the global energy structure is currently undergoing a transformation and clean energy is emerging. Wind power generation and photovoltaic power generation, which are the main forms of clean energy generation, are greatly affected by the environment and have greater volatility. The energy hub of electric-hydrogen fusion uses its electric-hydrogen coupling equipment to achieve the conversion of electricity and hydrogen, and hydrogen and electricity, which is a powerful way to increase the consumption rate of new energy. By converting electrical energy into hydrogen energy through electrolytic cells, long-term storage of new energy can be achieved, and hydrogen-electricity conversion can be achieved with the help of fuel cells to provide support for peak load regulation of the power grid.

[0083] In this process, the energy hub can obtain revenue from peak load regulation, hydrogen sales, and heat sales. At present, there are few studies on the dispatching method of the electric-hydrogen fusion energy hub taking into account the peak load regulation service. Therefore, it is urgent to propose a dispatching method of the electric-hydrogen fusion energy hub taking into account the peak load regulation service to promote the efficient use of clean energy such as wind and solar power, and at the same time participate in the peak load regulation of the power grid and improve the stability of the power grid.

[0084] In order to improve the above problems, the present invention provides a method and device for dispatching an electric-hydrogen fusion energy hub taking into account peak-shaving services, including: solving a pre-constructed upper-level model for dispatching an electric-hydrogen fusion energy hub to obtain a first optimization quantity; solving a pre-constructed lower-level model for dispatching an electric-hydrogen fusion energy hub to obtain a second optimization quantity; dispatching the electric-hydrogen fusion energy hub based on the first optimization quantity and the second optimization quantity; the first optimization quantity includes at least one of the following: dispatching electricity, dispatching heat, and dispatching hydrogen in the electric-hydrogen fusion energy system, and the second optimization quantity includes at least one of the following: hydrogen storage capacity of hydrogen storage tanks, input power of electrolyzers, output power of fuel cells, and abandoned wind and solar power in the electric-hydrogen fusion energy system. The technical solution provided by the present invention gives full play to the potential of the electric-hydrogen fusion energy hub in the peak-shaving of the power grid, and through a refined dispatching strategy, realizes the coordinated operation between the electric-hydrogen fusion energy hub and the power grid, thereby effectively participating in the peak-shaving process of the power grid, increasing the income of the energy hub, and improving the new energy consumption rate. The above solution is elaborated in detail below.

[0085] Example 1

[0086] See attached Figure 1 , Figure 1 This is a flow chart of the main steps of the method for dispatching an electric-hydrogen fusion energy hub taking into account peak load regulation services according to an embodiment of the present invention. Figure 1 As shown, the method for dispatching an electric-hydrogen fusion energy hub taking into account peak load regulation services in an embodiment of the present invention mainly includes the following steps:

[0087] Step S101: Solve the pre-built upper-level model of the electric-hydrogen fusion energy hub dispatch to obtain a first optimization value;

[0088] Step S102: solving the pre-built lower-level model of the electric-hydrogen fusion energy hub dispatch to obtain a second optimization value;

[0089] Step S103: performing electric-hydrogen fusion energy hub scheduling based on the first optimization amount and the second optimization amount;

[0090] Among them, the first optimization quantity includes at least one of the following: the dispatched electricity, dispatched heat, and dispatched hydrogen quantity of the electric-hydrogen fusion energy system; the second optimization quantity includes at least one of the following: the hydrogen storage capacity of the hydrogen storage tank in the electric-hydrogen fusion energy system, the input power of the electrolytic cell, the output power of the fuel cell, and the abandoned wind and solar power.

[0091] In this embodiment, the upper-level model of the electric-hydrogen fusion energy hub scheduling is as follows:

[0092] maxF up (t) = F income (t)-F out (t)

[0093] In the above formula, F up (t) is the target value of the upper-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F income (t) is the total revenue of the energy hub during period t, F out (t) is the energy hub cost during period t.

[0094] In one embodiment, the total revenue of the energy hub during period t is as follows:

[0095]

[0096] In the above formula, F sell (t) is the electricity sales revenue of the energy hub, F peak (t) is the peak load ancillary service income of the energy hub, F Q (t) is the revenue from heat sales at the energy hub, F H (t) is the revenue from hydrogen sales at the energy hub, and T is the total number of dispatch periods.

[0097] In one embodiment, the electricity sales revenue of the energy hub is as follows:

[0098] F sell (t)= P sell (t)×m sell (t)

[0099] The energy hub’s heat sales revenue is as follows:

[0100] F Q (t) = P Q (t)×m Q (t)

[0101] The revenue from hydrogen sales at the energy hub is as follows:

[0102] F H (t) = P H (t)×m H (t)

[0103] In the above formula, P sell (t) is the dispatching power of the hydrogen-electric fusion energy system during period t, m sell (t) is the peak-valley electricity price during period t, P Q (t) is the dispatching heat of the electric-hydrogen fusion energy system during period t, m Q(t) is the hot selling price in period t, P H (t) is the dispatched hydrogen quantity of the electric-hydrogen fusion energy system during period t, m H (t) is the hydrogen selling price during period t.

[0104] In this embodiment, the pre-constructed lower-level model for dispatching the electric-hydrogen fusion energy hub includes: the objective function of the lower-level model for dispatching the electric-hydrogen fusion energy hub and its corresponding constraints.

[0105] In one embodiment, the objective function of the pre-constructed lower-level model of the electric-hydrogen fusion energy hub scheduling is as follows:

[0106] f down (t) = F ECS (t)+F FCS (t)+F fine (t)

[0107] In the above formula, F down (t) is the objective function of the lower-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F ECS (t) is the energy cost of the electrolytic cell for electricity-hydrogen conversion during period t, F FCS (t) is the energy cost of the fuel cell for hydrogen-electricity conversion during period t, F fine (t) is the cost of wind and solar power curtailment for new energy consumption at the energy hub during period t.

[0108] In one embodiment, the energy cost of the electricity-to-hydrogen conversion energy loss of the electrolytic cell during the t period is as follows:

[0109] F ECS (t) = P EC (t)×m EC (t)

[0110] The energy consumption cost of the fuel cell for hydrogen-electricity conversion during the t period is as follows:

[0111] F FCS (t) = P FC (t)×m FC (t)

[0112] The cost of wind and solar power abandonment for new energy consumption in the energy hub during the t period

[0113] F fine (t) = P waste (t)×m waste (t)

[0114] In the above formula, P EC (t) is the input power of the electrolytic cell in the electric-hydrogen fusion energy system during period t, m EC(t) is the energy cost of electricity-hydrogen conversion energy loss during period t, P FC (t) is the output power of the fuel cell in the electric-hydrogen fusion energy system during time period t, m FC (t) is the energy cost of hydrogen-electricity conversion energy loss during period t, P waste (t) is the abandoned wind and solar power in the hydrogen-electric fusion energy system during period t, m waste (t) is the penalty coefficient for wind and solar power abandonment during period t.

[0115] In one embodiment, the constraints are as follows:

[0116]

[0117] P FC,min ≤P FC (t)≤P FC,max

[0118] HS min ≤HS(t)≤HS max

[0119] In the above formula, are the minimum input power and maximum input power of the electrolytic cell during period t, respectively. FC,min , P FC,max They are the minimum and maximum output of the fuel cell, HS min , HS max are the minimum hydrogen storage capacity and the maximum hydrogen storage capacity of the hydrogen storage tank respectively, and HS(t) is the hydrogen storage capacity of the hydrogen storage tank during period t.

[0120] Example 2

[0121] Based on the same inventive concept, the present invention also provides an electric-hydrogen fusion energy hub dispatching device taking into account peak load regulation services, and the electric-hydrogen fusion energy hub dispatching device taking into account peak load regulation services comprises:

[0122] The first analysis module is used to solve the pre-built upper-level model of the electric-hydrogen fusion energy hub dispatch to obtain the first optimization quantity;

[0123] The second analysis module is used to solve the pre-built lower-level model of the electric-hydrogen fusion energy hub dispatch to obtain the second optimization quantity;

[0124] A scheduling module, used for scheduling the electric-hydrogen fusion energy hub based on the first optimization amount and the second optimization amount;

[0125] The first optimization quantity includes at least one of the following: the dispatched electricity, dispatched heat, and dispatched hydrogen quantity of the electric-hydrogen fusion energy system; the second optimization quantity includes at least one of the following: the hydrogen storage capacity of the hydrogen storage tank in the electric-hydrogen fusion energy system, the input power of the electrolytic cell, the output power of the fuel cell, and the abandoned wind and solar power.

[0126] Preferably, the upper-level model of the electric-hydrogen fusion energy hub dispatch is as follows:

[0127] maxF up (t) = F income (t)-F out (t)

[0128] In the above formula, F up (t) is the target value of the upper-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F income (t) is the total revenue of the energy hub during period t, F out (t) is the energy hub cost during period t.

[0129] Furthermore, the total revenue of the energy hub in the t period is as follows:

[0130]

[0131] In the above formula, F sell (t) is the electricity sales revenue of the energy hub, F peak (t) is the peak load ancillary service income of the energy hub, F Q (t) is the revenue from heat sales at the energy hub, F H (t) is the revenue from hydrogen sales at the energy hub, and T is the total number of dispatch periods.

[0132] Furthermore, the electricity sales revenue of the energy hub is as follows:

[0133] F sell (t)= P sell (t)×m sell (t)

[0134] The energy hub’s heat sales revenue is as follows:

[0135] F Q (t) = P Q (t)×m Q (t)

[0136] The revenue from hydrogen sales at the energy hub is as follows:

[0137] F H (t) = P H (t)×m H (t)

[0138] In the above formula, Psell (t) is the dispatching power of the hydrogen-electric fusion energy system during period t, m sell (t) is the peak-valley electricity price during period t, P Q (t) is the dispatching heat of the electric-hydrogen fusion energy system during period t, m Q (t) is the hot selling price in period t, P H (t) is the dispatched hydrogen quantity of the electric-hydrogen fusion energy system during period t, m H (t) is the hydrogen selling price during period t.

[0139] Preferably, the pre-constructed lower-level model for dispatching the electric-hydrogen fusion energy hub includes: the objective function of the lower-level model for dispatching the electric-hydrogen fusion energy hub and its corresponding constraints.

[0140] Furthermore, the objective function of the pre-constructed lower-level model of the electric-hydrogen fusion energy hub dispatch is as follows:

[0141] f down (t) = F ECS (t)+F FCS (t)+F fine (t)

[0142] In the above formula, F down (t) is the objective function of the lower-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F ECS (t) is the energy cost of the electrolytic cell for electricity-hydrogen conversion during period t, F FCS (t) is the energy cost of the fuel cell for hydrogen-electricity conversion during period t, F fine (t) is the cost of wind and solar power curtailment for new energy consumption at the energy hub during period t.

[0143] Furthermore, the energy consumption cost of the electricity-to-hydrogen conversion energy loss of the electrolytic cell during the t period is as follows:

[0144] F ECS (t) = P EC (t)×m EC (t)

[0145] The energy consumption cost of the fuel cell for hydrogen-electricity conversion during the t period is as follows:

[0146] F FCS (t) = P FC (t)×m FC (t)

[0147] The cost of wind and solar power abandonment for new energy consumption in the energy hub during the t period

[0148] F fine (t) = P waste (t)×mwaste (t)

[0149] In the above formula, P EC (t) is the input power of the electrolytic cell in the electric-hydrogen fusion energy system during period t, m EC (t) is the energy cost of electricity-hydrogen conversion energy loss during period t, P FC (t) is the output power of the fuel cell in the electric-hydrogen fusion energy system during time period t, m FC (t) is the energy cost of hydrogen-electricity conversion energy loss during period t, P waste (t) is the abandoned wind and solar power in the hydrogen-electric fusion energy system during period t, m waste (t) is the penalty coefficient for wind and solar power abandonment during period t.

[0150] Furthermore, the constraints are as follows:

[0151]

[0152] P FC,min ≤P FC (t)≤P FC,max

[0153] HS min ≤HS(t)≤HS max

[0154] In the above formula, are the minimum input power and maximum input power of the electrolytic cell during period t, respectively. FC,min , P FC,max They are the minimum and maximum output of the fuel cell, HS min , HS max are the minimum hydrogen storage capacity and the maximum hydrogen storage capacity of the hydrogen storage tank respectively, and HS(t) is the hydrogen storage capacity of the hydrogen storage tank during period t.

[0155] Example 3

[0156] Based on the same inventive concept, the present invention also provides a computer device, which includes a processor and a memory, the memory is used to store a computer program, the computer program includes program instructions, and the processor is used to execute the program instructions stored in the computer storage medium. The processor may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. It is the computing core and control core of the terminal, which is suitable for implementing one or more instructions, and is specifically suitable for loading and executing one or more instructions in the computer storage medium to implement the corresponding method flow or corresponding function, so as to implement the steps of the electric hydrogen fusion energy hub scheduling method taking into account the peak load service in the above embodiment.

[0157] Example 4

[0158] Based on the same inventive concept, the present invention also provides a storage medium, specifically a computer-readable storage medium (Memory), which is a memory device in a computer device for storing programs and data. It is understandable that the computer-readable storage medium here may include both built-in storage media in a computer device and, of course, extended storage media supported by the computer device. The computer-readable storage medium provides a storage space that stores the operating system of the terminal. In addition, one or more instructions suitable for being loaded and executed by a processor are also stored in the storage space, and these instructions may be one or more computer programs (including program codes). It should be noted that the computer-readable storage medium here may be a high-speed RAM memory or a non-volatile memory, such as at least one disk memory. The processor may load and execute one or more instructions stored in the computer-readable storage medium to implement the steps of a method for dispatching an electric-hydrogen fusion energy hub that takes into account peak-shaving services in the above-mentioned embodiment.

[0159] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0160] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0161] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0162] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0163] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A method for dispatching an electric-hydrogen fusion energy hub taking into account peak load regulation services, characterized in that: The method comprises: Solve the pre-built upper-level model of the electric-hydrogen fusion energy hub dispatch to obtain the first optimization quantity; Solve the pre-built lower-level model of the electric-hydrogen fusion energy hub dispatch to obtain the second optimization quantity; Performing electric-hydrogen fusion energy hub scheduling based on the first optimization amount and the second optimization amount; The first optimization quantity includes at least one of the following: the dispatched electricity, dispatched heat, and dispatched hydrogen quantity of the electric-hydrogen fusion energy system; the second optimization quantity includes at least one of the following: the hydrogen storage capacity of the hydrogen storage tank in the electric-hydrogen fusion energy system, the input power of the electrolytic cell, the output power of the fuel cell, and the abandoned wind and solar power.

2. The method according to claim 1, characterized in that The upper-level model of the electric-hydrogen fusion energy hub dispatch is as follows: maxF up (t)=F income (t)-F out (t) In the above formula, F up (t) is the target value of the upper-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F income (t) is the total revenue of the energy hub during period t, F out (t) is the energy hub cost during period t.

3. The method according to claim 2, characterized in that The total revenue of the energy hub during the t period is as follows: In the above formula, F sell (t) is the electricity sales revenue of the energy hub, F peak (t) is the peak load ancillary service income of the energy hub, F Q (t) is the revenue from heat sales at the energy hub, F H (t) is the revenue from hydrogen sales at the energy hub, and T is the total number of dispatch periods.

4. The method according to claim 3, characterized in that The electricity sales revenue of the energy hub is as follows: F sell (t)= P sell (t)×m sell (t) The energy hub’s heat sales revenue is as follows: F Q (t)=P Q (t)×m Q (t) The revenue from hydrogen sales at the energy hub is as follows: F H (t)=P H (t)×m H (t) In the above formula, P sell (t) is the dispatching power of the hydrogen-electric fusion energy system during period t, m sell (t) is the peak-valley electricity price during period t, P Q (t) is the dispatching heat of the electric-hydrogen fusion energy system during period t, m Q (t) is the hot selling price in period t, P H (t) is the dispatched hydrogen quantity of the electric-hydrogen fusion energy system during period t, m H (t) is the hydrogen selling price during period t.

5. The method according to claim 1, characterized in that The pre-constructed lower-level model for dispatching the electric-hydrogen fusion energy hub includes: the objective function of the lower-level model for dispatching the electric-hydrogen fusion energy hub and its corresponding constraints.

6. The method according to claim 5, characterized in that The objective function of the pre-built lower-level model for the electric-hydrogen fusion energy hub dispatch is as follows: minF down (t)=F ECS (t)+F FCS (t)+F fine (t) In the above formula, F down (t) is the objective function of the lower-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F ECS (t) is the energy cost of the electrolytic cell for electricity-hydrogen conversion during period t, F FCS (t) is the energy cost of the fuel cell for hydrogen-electricity conversion during period t, F fine (t) is the cost of wind and solar power curtailment for new energy consumption at the energy hub during period t.

7. The method according to claim 6, characterized in that The energy consumption cost of the electricity-hydrogen conversion energy loss of the electrolytic cell during the t period is as follows: F ECS (t)=P EC (t)×m EC (t) The energy consumption cost of the fuel cell for hydrogen-electricity conversion during the t period is as follows: F FCS (t)=P FC (t)×m FC (t) The cost of wind and solar power abandonment for new energy consumption in the energy hub during the t period F fine (t)=P waste (t)×m waste (t) In the above formula, P EC (t) is the input power of the electrolytic cell in the electric-hydrogen fusion energy system during period t, m EC (t) is the energy cost of electricity-hydrogen conversion energy loss during period t, P FC (t) is the output power of the fuel cell in the electric-hydrogen fusion energy system during time period t, m FC (t) is the energy cost of hydrogen-electricity conversion energy loss during period t, P waste (t) is the abandoned wind and solar power in the hydrogen-electric fusion energy system during period t, m waste (t) is the penalty coefficient for wind and solar power abandonment during period t.

8. The method according to claim 7, characterized in that The constraints are as follows: P FC,min ≤P FC (t)≤P FC,max HS min ≤HS(t)≤HS max In the above formula, are the minimum input power and maximum input power of the electrolytic cell during period t, respectively. FC,min , P FC,max They are the minimum and maximum output of the fuel cell, HS min , HS max are the minimum hydrogen storage capacity and the maximum hydrogen storage capacity of the hydrogen storage tank respectively, and HS(t) is the hydrogen storage capacity of the hydrogen storage tank during period t.

9. An electric-hydrogen fusion energy hub dispatching device taking into account peak load regulation services, characterized in that: The device comprises: The first analysis module is used to solve the pre-built upper-level model of the electric-hydrogen fusion energy hub dispatch to obtain the first optimization quantity; The second analysis module is used to solve the pre-built lower-level model of the electric-hydrogen fusion energy hub dispatch to obtain the second optimization quantity; A scheduling module, used for scheduling the electric-hydrogen fusion energy hub based on the first optimization amount and the second optimization amount; The first optimization quantity includes at least one of the following: the dispatched electricity, dispatched heat, and dispatched hydrogen quantity of the electric-hydrogen fusion energy system; the second optimization quantity includes at least one of the following: the hydrogen storage capacity of the hydrogen storage tank in the electric-hydrogen fusion energy system, the input power of the electrolytic cell, the output power of the fuel cell, and the abandoned wind and solar power.

10. The device according to claim 9, characterized in that The upper-level model of the electric-hydrogen fusion energy hub dispatch is as follows: maxF up (t)=F income (t)-F out (t) In the above formula, F up (t) is the target value of the upper-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F income (t) is the total revenue of the energy hub during period t, F out (t) is the energy hub cost during period t.

11. The device according to claim 10, characterized in that The total revenue of the energy hub during the t period is as follows: In the above formula, F sell (t) is the electricity sales revenue of the energy hub, F peak (t) is the peak load ancillary service income of the energy hub, F Q (t) is the revenue from heat sales at the energy hub, F H (t) is the revenue from hydrogen sales at the energy hub, and T is the total number of dispatch periods.

12. The device according to claim 11, characterized in that The electricity sales revenue of the energy hub is as follows: F sell (t)= P sell (t)×m sell (t) The energy hub’s heat sales revenue is as follows: F Q (t)=P Q (t)×m Q (t) The revenue from hydrogen sales at the energy hub is as follows: F H (t)=P H (t)×m H (t) In the above formula, P sell (t) is the dispatching power of the hydrogen-electric fusion energy system during period t, m sell (t) is the peak-valley electricity price during period t, P Q (t) is the dispatching heat of the electric-hydrogen fusion energy system during period t, m Q (t) is the hot selling price in period t, P H (t) is the dispatched hydrogen quantity of the electric-hydrogen fusion energy system during period t, m H (t) is the hydrogen selling price during period t.

13. The device according to claim 9, characterized in that The pre-constructed lower-level model for dispatching the electric-hydrogen fusion energy hub includes: the objective function of the lower-level model for dispatching the electric-hydrogen fusion energy hub and its corresponding constraints.

14. The device according to claim 13, characterized in that The objective function of the pre-built lower-level model for the electric-hydrogen fusion energy hub dispatch is as follows: minF down (t)=F ECS (t)+F FCS (t)+F fine (t) In the above formula, F down (t) is the objective function of the lower-level model for the dispatch of the electric-hydrogen fusion energy hub during period t, F ECS (t) is the energy cost of the electrolytic cell for electricity-hydrogen conversion during period t, F FCS (t) is the energy cost of the fuel cell for hydrogen-electricity conversion during period t, F fine (t) is the cost of wind and solar power curtailment for new energy consumption at the energy hub during period t.

15. The device according to claim 14, characterized in that The energy consumption cost of the electricity-hydrogen conversion energy loss of the electrolytic cell during the t period is as follows: F ECS (t)=P EC (t)×m EC (t) The energy consumption cost of the fuel cell for hydrogen-electricity conversion during the t period is as follows: F FCS (t)=P FC (t)×m FC (t) The cost of wind and solar power abandonment for new energy consumption in the energy hub during the t period F fine (t)=P waste (t)×m waste (t) In the above formula, P EC (t) is the input power of the electrolytic cell in the electric-hydrogen fusion energy system during period t, m EC (t) is the energy cost of electricity-hydrogen conversion energy loss during period t, P FC (t) is the output power of the fuel cell in the electric-hydrogen fusion energy system during time period t, m FC (t) is the energy cost of hydrogen-electricity conversion energy loss during period t, P waste (t) is the abandoned wind and solar power in the hydrogen-electric fusion energy system during period t, m waste (t) is the penalty coefficient for wind and solar power abandonment during period t.

16. The device according to claim 15, characterized in that The constraints are as follows: P FC,min ≤P FC (t)≤P FC,max HS min ≤HS(t)≤HS max In the above formula, are the minimum input power and maximum input power of the electrolytic cell during period t, respectively. FC,min , P FC,max They are the minimum and maximum output of the fuel cell, HS min , HS max are the minimum hydrogen storage capacity and the maximum hydrogen storage capacity of the hydrogen storage tank respectively, and HS(t) is the hydrogen storage capacity of the hydrogen storage tank during period t.

17. A computer device, characterized in that: include: one or more processors; The processor is configured to execute one or more programs; When the one or more programs are executed by the one or more processors, the electric-hydrogen fusion energy hub scheduling method taking into account peak-shaving services as described in any one of claims 1 to 8 is implemented.

18. A computer-readable storage medium, characterized in that: A computer program is stored thereon, and when the computer program is executed, it implements the electric-hydrogen fusion energy hub scheduling method taking into account peak-shaving services as described in any one of claims 1 to 8.

Images