CN116823000B - Hydropower compensation peak regulation analysis and evaluation method and device thereof - Google Patents

Hydropower compensation peak regulation analysis and evaluation method and device thereof Download PDF

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CN116823000B
CN116823000B CN202311110964.7A CN202311110964A CN116823000B CN 116823000 B CN116823000 B CN 116823000B CN 202311110964 A CN202311110964 A CN 202311110964A CN 116823000 B CN116823000 B CN 116823000B
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hydropower
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CN116823000A (en
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赵明哲
赵培双
普中勇
简云忠
段必辉
夏一丹
陈国志
杨关发
卢飞
崔东
王玥
赖建甫
尹文春
龙雪奎
胡旭敏
戴继聪
杨尚融
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Huaneng Lancang River Hydropower Co Ltd
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Abstract

The application provides a hydropower compensation peak regulation analysis and evaluation method and a device thereof, and relates to the technical field of multi-energy complementation and reservoir dispatching. The method comprises the following steps: obtaining the maximum adjustable output and the maximum adjustable electric quantity of the hydropower station according to the power generation parameters and the characteristic values of the hydropower station, and obtaining the new energy required compensation output and the new energy required compensation electric quantity according to the new energy power generation parameters and the characteristic values of the new energy power generation parameters; obtaining a target hydro-electric compensation peak regulation strategy according to the maximum adjustable force, the maximum adjustable electric quantity, the new energy required compensation force and the new energy required compensation electric quantity, determining a new hydro-electric compensation energy and the peak regulation electric quantity according to the target hydro-electric compensation peak regulation strategy, and executing hydro-electric compensation peak regulation; and acquiring a plurality of operation characteristic factors in the hydropower compensation peak regulation process, and acquiring an evaluation value of the hydropower compensation peak regulation according to the operation characteristic factors. The method can ensure safe and reliable operation of the wind-light-water complementary energy base, realize optimal scheduling of the cascade hydropower station, and realize safe, stable and efficient scheduling operation of the wind-light-water complementary energy base.

Description

Hydropower compensation peak regulation analysis and evaluation method and device thereof
Technical Field
The application relates to the technical field of multi-energy complementation and reservoir dispatching, in particular to a hydropower compensation peak regulation analysis and evaluation method and a device thereof.
Background
In the related technology, new energy sources such as wind power, photovoltaic and the like rapidly develop, and the inherent randomness, fluctuation, intermittence, source-load space distribution and the like of the new energy sources are not uniform, so that the safe and stable operation of a power system is influenced, and the large-scale new energy source grid connection and the difficult digestion are caused. By means of the advantages of quick response, flexible adjustment and cost economy of the cascade hydropower station, the system positioning of various power scales and proportions, clear hydropower and new energy sources is reasonably configured, the abundant hydropower, wind energy and solar energy resources in a river basin and the natural complementarity of multiple time scales among 3 energy sources are fully utilized, the flexible adjustment capability of the cascade hydropower station built, constructed or planned in the river basin is fully utilized, wind power and photovoltaic output are compensated, and a wind-solar-water complementary energy base is constructed, so that the system positioning system becomes a key for breaking contradiction between resource endowment and energy supply and demand space-time dislocation. After wind, light and water complementary development and operation, the river basin cascade hydropower station not only needs to bear the traditional targets of hydroelectric power generation, water supply and the like, but also needs to stabilize wind power and photovoltaic output fluctuation, and compensates and adjusts wind power and photovoltaic output deviation.
Therefore, how to ensure safe and reliable operation of the wind-solar-water complementary energy base, realize optimal scheduling of the cascade hydropower station, enrich the traditional reservoir scheduling theory system, and realize safe, stable and efficient scheduling operation of the wind-solar-water complementary energy base has become one of important research directions.
Disclosure of Invention
The present application aims to solve, at least to some extent, one of the technical problems in the related art. Therefore, one object of the present application is to provide a hydropower compensation peak shaving analysis and evaluation method.
The second object of the present application is to provide a hydropower compensation peak shaving analysis and evaluation device.
A third object of the present application is to propose an electronic device.
A fourth object of the present application is to propose a non-transitory computer readable storage medium.
A fifth object of the present application is to propose a computer programme product.
In order to achieve the above object, a first aspect of the present application provides a hydropower compensation peak shaving analysis and evaluation method, including:
acquiring power generation parameters and characteristic values thereof of a hydropower station, and new energy power generation parameters and characteristic values thereof;
obtaining the maximum adjustable output and the maximum adjustable electric quantity of the hydropower station according to the power generation parameters and the characteristic values of the hydropower station, and obtaining the new energy required compensation output and the new energy required compensation electric quantity according to the new energy power generation parameters and the characteristic values of the new energy power generation parameters;
obtaining a target hydropower compensation peak regulation strategy according to the maximum adjustable output, the maximum adjustable electric quantity, the new energy required compensation output and the new energy required compensation electric quantity, and determining a hydropower compensation new energy and the peak regulation electric quantity according to the target hydropower compensation peak regulation strategy so as to execute hydropower compensation peak regulation;
And acquiring a plurality of operation characteristic factors in the hydropower compensation peak regulation process, and acquiring an evaluation value of the hydropower compensation peak regulation according to the operation characteristic factors.
The method can ensure safe and reliable operation of the wind-solar-water complementary energy base, realize optimal scheduling of the cascade hydropower station, enrich a traditional reservoir scheduling theory system and realize safe, stable and efficient scheduling operation of the wind-solar-water complementary energy base.
In order to achieve the above object, a second aspect of the present application provides a hydropower compensation peak shaving analysis and evaluation device, including:
the first acquisition module is used for acquiring hydropower station power generation parameters and characteristic values thereof, new energy power generation parameters and characteristic values thereof;
the second acquisition module is used for acquiring the maximum adjustable output and the maximum adjustable electric quantity of the hydropower station according to the power generation parameters and the characteristic values of the hydropower station, and acquiring the new energy required compensation output and the new energy required compensation electric quantity according to the new energy power generation parameters and the characteristic values of the new energy power generation parameters;
the third acquisition module is used for acquiring a target hydropower compensation peak regulation strategy according to the maximum adjustable output, the maximum adjustable electric quantity, the new energy required compensation output and the new energy required compensation electric quantity, and determining a new hydropower compensation energy and a peak regulation electric quantity according to the target hydropower compensation peak regulation strategy so as to execute hydropower compensation peak regulation;
The processing module is used for acquiring a plurality of operation characteristic factors in the hydropower compensation peak regulation process and acquiring evaluation values of hydropower compensation peak regulation according to the operation characteristic factors.
To achieve the above object, a third aspect of the present application proposes an electronic device, including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the hydropower compensation peak shaving analysis evaluation method provided in the first aspect of the application.
To achieve the above object, a fourth aspect of the present application proposes a computer-readable storage medium having stored thereon computer instructions for causing a computer to execute the hydropower compensation peak shaving analysis evaluation method provided in the first aspect of the present application.
To achieve the above object, a fifth aspect of the present application proposes a computer program product comprising a computer program which, when executed by a processor, implements the hydropower compensation peak shaving analysis evaluation method provided in the first aspect of the present application.
Drawings
FIG. 1 is a flow chart of a method of hydro-electric compensation peak shaving analysis and evaluation according to one embodiment of the present application;
FIG. 2 is a schematic illustration of hydropower station output regulation characteristics according to one embodiment of the application;
FIG. 3 is a schematic diagram of a wind power and water complementary energy source base wind power photovoltaic output process according to one embodiment of the present application;
FIG. 4 is a flow chart of obtaining a target hydro-electric compensation peak shaving strategy according to one embodiment of the present application;
FIG. 5 is a flow chart of obtaining a target hydro-electric compensation peak shaving strategy according to another embodiment of the present application;
FIG. 6 is a flow chart of obtaining hydropower compensation peak shaving operation characteristic factors and evaluation values according to one embodiment of the present application;
FIG. 7 is a block diagram of a hydropower compensation peak shaving analysis evaluation device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application.
The terms referred to in this application are explained:
the power and electricity balance principle refers to the supply and demand balance of power and electricity of a power system. The method is used for researching the optimal operation mode of various power stations in the power system and the optimal exchange of power among subsystems, so that the capacity and the electric quantity benefits of various schemes are verified. It is an important component in the formulation of power planning, design and operation plans. The content of the system comprises two parts, namely electric power balance and electric quantity balance, wherein the two parts are organic integers which complement each other. The content of the wine can be divided into daily balance and annual balance according to time. The time unit of daily (weekly) balance is usually 1 hour h or several hours, and the time unit of annual balance is usually month, week or several months.
The wind-solar-water complementary scheduling is based on the wind power, photovoltaic and hydroelectric power generation operation characteristics, and the complementary characteristics are utilized to realize the full-scale mutual economy and peak-valley complementation through the combined scheduling operation.
The following describes the hydropower compensation peak regulation analysis and evaluation method and the device thereof according to the embodiment of the application with reference to the accompanying drawings.
FIG. 1 is a flow chart of a method of hydro-electric compensation peak shaving analysis and evaluation according to one embodiment of the present application, as shown in FIG. 1, the method comprising the steps of:
S101, acquiring hydropower station power generation parameters and characteristic values thereof, new energy power generation parameters and characteristic values thereof.
In a wind-solar-water complementary system, hydropower compensation peak regulation analysis is a key for measuring the short-term operation quality of the system, and plays a role in guiding the scheduling operation of a wind-solar-water integrated energy base by accurately quantifying the situations of hydropower participation system peak regulation and wind-light output compensation.
Optionally, in the embodiment of the present application, the hydropower station power generation parameter and the characteristic value thereof include a installed capacity of the hydropower station, an expected output force of the hydropower station, a forced output force of the hydropower station when the hydropower station leaks at a preset minimum flow, and output forces of the hydropower station in each period in a preset scheduling period; the new energy power generation parameters and characteristic values thereof comprise the installed capacity of the new energy, the maximum output, the minimum output and the theoretical output of the new energy power generation.
In a wind-solar-water complementary system, compensation adjustment calculation of a cascade hydropower station is affected by two factors: the flexible compensation peak regulation capability of hydropower and the fluctuation of the equivalent load process of subtracting the new energy output from the system load. In order to calculate the hydropower compensation peak regulation capacity, the cascade hydropower station can adopt three characteristic values according to the electric power and electric quantity balance principle: the predicted force, the forced force, and the average force are as shown in FIG. 2, wherein the predicted force Under a certain working water head, the maximum output value which can be reached by the hydropower station according to the maximum drainage amount is the installed capacity of the hydropower station>. Force out forceThe characteristic output of the hydropower station to be maintained is +.A reservoir is decreased according to the minimum flow which needs to be met by the requirements of downstream ecology, water supply and the like>Is the output average value of the output of the hydropower station in each period.
S102, obtaining the maximum adjustable output and the maximum adjustable electric quantity of the hydropower station according to the power generation parameters and the characteristic values of the hydropower station, and obtaining the new energy required compensation output and the new energy required compensation electric quantity according to the new energy power generation parameters and the characteristic values of the new energy power generation parameters.
In some implementations, the maximum adjustable force may be obtained from the difference between the expected force and the forced force. Alternatively, the following formula may be used to obtain the maximum adjustable output：
As shown in FIG. 2, in some implementations, the average output value may be obtained from the output of the hydropower station during each period of a preset schedule periodAnd according to the force average->And obtaining the maximum adjustable electric quantity of the hydropower station by multiplying the difference between the maximum adjustable electric quantity and the forced output by a preset time. Alternatively, taking a preset time of one day, namely 24 hours as an example for explanation, the following formula can be adopted to obtain the maximum adjustable electric quantity +. >：
In some implementations, the new energy power demand can be obtained by multiplying a preset time according to a difference between a maximum output and an average output of the new energy. If the new energy generates electricityMaximum output with new energy>And the required adjustable output and the adjustable electric quantity are the same when the new energy is output by the hydropower compensation. Based on this, in order to simplify the derivation process of the hydro-power compensation calculation, the new energy output process of the system may be assumed to be rectangular in shape in the figure, even if it conforms to the characteristic values such as the maximum output and the average output, as shown in fig. 3. The generated energy of the new energy and the electric quantity to be compensated can be calculated through the characteristic values of the maximum output force, the average output force and the like of the new energy:
in the method, in the process of the invention,representing the new energy generating capacity; />Representing the power generation time of new energy; />Representing the average output value of the new energy; />The generated energy is generated by superposition of new energy and hydropower; />The new energy needs to be supplemented with electricity; />The new energy needs to be supplemented with force; />The power is the minimum power for new energy.
And S103, obtaining a target hydropower compensation peak regulation strategy according to the maximum adjustable output, the maximum adjustable electric quantity, the new energy required compensation output and the new energy required compensation electric quantity, and determining the new hydropower compensation energy and the peak regulation electric quantity according to the target hydropower compensation peak regulation strategy so as to execute hydropower compensation peak regulation.
In the embodiment of the application, the electric power balance condition of the new hydropower station is determined according to the magnitude relation between the maximum adjustable output of the hydropower station and the new energy required compensation output, namely whether the maximum adjustable output of the hydropower station meets the new energy required compensation output or not; determining the electric power and electricity balance condition of the new hydropower station according to the relation between the maximum adjustable electric quantity of the hydropower station and the electric power required to be supplemented by the new hydropower station and the electric power balance condition of the new hydropower station, wherein when the maximum adjustable output is larger than or equal to the electric power required to be supplemented by the new hydropower station, the electric power and electricity balance condition of the new hydropower station is continuously judged according to the maximum adjustable electric quantity and the electric power required to be supplemented by the new hydropower station, and when the maximum adjustable output is smaller than the electric power required to be supplemented by the new hydropower station, the target electric power required to be supplemented by the new hydropower station according to the relation between the maximum adjustable electric quantity of the hydropower station and the electric power required to be supplemented by the target electric power required to be supplemented by the hydropower station is obtained; further, a target hydropower compensation peak regulation strategy is determined according to the electric power and quantity balance condition of the new hydropower compensation energy.
In some implementations, the target hydropower compensation strategy indicates that the hydropower station's output is used to compensate for the new energy output, and that there is no excess power for hydropower peak shaving. In some implementations, the target hydropower compensation strategy indicates that the hydropower station's output is to be used to compensate for the new energy output, and that there is excess power available for hydropower peak shaving. In some implementations, the target hydropower compensation strategy indicates that the hydropower station output is to be used to compensate the new energy output, and invokes the peak shaver power supply to continue to compensate the new energy output.
The short-term hydro-electric compensation peak regulation analysis result of the wind-solar-water complementary system can be used as a long-term optimization scheduling target of the system, the matching degree of a long-term scheduling operation scheme of the system is improved, the storage capacity of a reservoir is fully exerted, and the compensation and adjustment effects of the hydropower station on wind-solar output and load fluctuation in each period are improved.
S104, acquiring a plurality of operation characteristic factors in the hydropower compensation peak shaving process, and acquiring an evaluation value of the hydropower compensation peak shaving according to the operation characteristic factors.
Combining the flow of obtaining a target hydro-electric compensation peak regulation strategy, and solving a plurality of operation characteristic factors of the cascade hydropower stations participating in compensation and peak regulation in the wind-solar-water complementary system through the expected output force, the forced output force and the average output force of the water power, analyzing the compensation peak regulation condition of the cascade hydropower stations in the wind-solar-water complementary energy base, determining the response relation between the controlled reservoir outlet flow and the cascade peak regulation capacity, and evaluating the hydro-electric compensation peak regulation capacity and benefit according to the evaluation value of the hydro-electric compensation peak regulation capacity.
In the embodiment of the application, the maximum adjustable output and the maximum adjustable electric quantity of the hydropower station are obtained according to the power generation parameters and the characteristic values of the hydropower station, and the new energy power generation parameters and the characteristic values of the new energy power generation parameters and the new energy power generation parameters are obtained; obtaining a target hydro-electric compensation peak regulation strategy according to the maximum adjustable force, the maximum adjustable electric quantity, the new energy required compensation force and the new energy required compensation electric quantity, determining a new hydro-electric compensation energy and the peak regulation electric quantity according to the target hydro-electric compensation peak regulation strategy, and executing hydro-electric compensation peak regulation; and acquiring a plurality of operation characteristic factors in the hydropower compensation peak regulation process, and acquiring an evaluation value of the hydropower compensation peak regulation according to the operation characteristic factors. The embodiment of the application can ensure safe and reliable operation of the wind-solar-water complementary energy base, realize optimal scheduling of the cascade hydropower station, enrich the traditional reservoir scheduling theory system and realize safe, stable and efficient scheduling operation of the wind-solar-water complementary energy base.
FIG. 4 is a flow chart of obtaining a target hydro-electric compensation peak shaving strategy according to one embodiment of the present application, as shown in FIG. 4, the method includes the steps of:
s401, when the maximum adjustable output force is larger than or equal to the new energy source power supply required force, continuing to judge the relationship between the maximum adjustable electric quantity and the new energy source power supply required electric quantity.
And S402, when the maximum adjustable electric quantity is equal to the electric quantity required to be supplemented by the new energy, determining that the target hydropower compensation peak regulation strategy is to compensate the new energy according to the maximum adjustable electric quantity.
Optionally, when the maximum adjustable electric quantity of the hydropower station is equal to the electric quantity required to be supplemented by the new energy, determining that the target hydropower compensation peak regulation strategy is to compensate the new energy output according to the maximum adjustable output. That is, whenWhen in use, the water power can just completely compensate the new energyHowever, the hydropower has no redundant regulating capacity to participate in system peak shaving.
And S403, when the maximum adjustable electric quantity of the hydropower station is larger than the electric quantity required to be supplemented by the new energy, determining a target hydropower compensation peak regulation strategy to compensate the new energy according to the electric quantity required to be supplemented by the new energy, and carrying out hydropower peak regulation according to the difference value between the maximum adjustable electric quantity and the electric quantity required to be supplemented by the new energy.
Optionally, when the maximum adjustable electric quantity of the hydropower station is larger than the electric quantity required to be supplemented by the new energy, determining that the target hydropower compensation peak regulation strategy is to perform hydropower peak regulation according to the difference value between the maximum adjustable electric quantity of the hydropower station and the electric quantity required to be supplemented by the new energy, and compensating the new energy output according to the electric quantity required to be supplemented by the new energy. That is, when When the system is used, the hydropower can completely compensate the new energy output, and the hydropower and the rest adjustable electric quantity can participate in the peak shaving of the system. />Representing the residual generated energy which can participate in peak regulation after the new energy is output by hydroelectric compensation, namely the difference value between the maximum adjustable electric quantity of the hydropower station and the electric quantity required to be supplemented by the new energy, wherein the residual generated energy is。
And S404, when the maximum adjustable electric quantity of the hydropower station is smaller than the electric quantity required to be supplemented by the new energy, determining a target hydropower compensation peak regulation strategy to compensate the new energy according to the maximum adjustable electric quantity, and calling a peak regulation power supply to compensate the new energy according to the difference value between the electric quantity required to be supplemented by the new energy and the maximum adjustable electric quantity.
Optionally, when the maximum adjustable electric quantity of the hydropower station is smaller than the electric quantity required to be supplemented by the new energy, determining that the target hydropower station compensation peak regulation strategy is to compensate the new energy output according to the maximum adjustable output, and calling the peak regulation power supply to compensate the new energy output according to the difference value between the electric quantity required to be supplemented by the new energy and the maximum adjustable electric quantity of the hydropower station. That is, whenWhen water and electricity cannot fully compensate the new energy outputOther peak regulating power supplies (such as energy storage or pumping storage and the like) in the power grid are needed to participate in compensating new energy or the new energy which cannot be consumed is abandoned. The calculation method of uncompensated new energy electric quantity, uncompensated new energy output and other peak regulation power supply required compensation electric quantity is as follows:
Wherein,the new energy electric quantity is uncompensated; />The new energy capacity is uncompensated; />And the new energy is compensated by the water and electricity, and the new energy is compensated by other peak shaving power supplies.
FIG. 5 is a flowchart of obtaining a target hydro-electric compensation peak shaving strategy according to another embodiment of the present application, as shown in FIG. 5, the method includes the steps of:
s501, when the maximum adjustable output force of the hydropower station is smaller than the new energy source power supply required force, acquiring the target power supply required amount of the hydropower station for compensating the new energy source according to the maximum adjustable output force, and continuously judging the relationship between the maximum adjustable power supply of the hydropower station and the target power supply required amount.
When the maximum adjustable output force of the hydropower station is smaller than the new energy output force required to be supplemented, in the wind, light and water complementary operation process, namely, the hydropower station cannot completely compensate the new energy output force required to be supplemented, other power supplies are required to compensate the new energy output force. In addition, in addition to the adjustable capacity of hydropower, water needs to be consideredEffect of electrically adjustable amount of power on the system. Therefore, the new energy output corresponding to the compensation is calculated according to the adjustable electric quantity of the hydropowerAnd obtaining the target electric quantity required to be supplemented by the hydropower station according to the maximum adjustable output force to compensate the new energy.
And S502, when the maximum adjustable electric quantity is larger than the target electric quantity to be supplemented, determining a target hydropower compensation peak regulation strategy, compensating new energy according to the minimum value in the maximum adjustable electric quantity and the electric quantity compensation capacity, and calling the peak regulation power supply to compensate the new energy.
Optionally, when the maximum adjustable electric quantity is larger than the target electric quantity to be supplemented, determining a target hydropower compensation peak regulation strategy, compensating new energy output according to the minimum value in the hydropower adjustable electric quantity and the electric quantity compensation capacity, and calling the peak regulation power supply to compensate the new energy output. That is, ifAt this time, the hydropower adjustable output and the maximum adjustable electric quantity of the hydropower station cannot meet the new energy compensation requirement, and new energy needs to be compensated according to a smaller value in the output and electric quantity compensation capability, wherein the _on can not be used for compensating new energy, and the _on can not be used for compensating new energy according to the smaller value in the output and electric quantity compensation capability>Indicating the target electric quantity to be supplemented. New energy output which cannot be compensated>Can be calculated by the following formula:
alternatively, a peak shaver power supply may be invoked to compensate for the new energy output.
And S503, when the maximum adjustable electric quantity is smaller than or equal to the target electric quantity to be supplemented, determining a target hydropower compensation peak regulation strategy, compensating new energy according to the maximum adjustable output, and carrying out hydropower peak regulation according to the difference value between the maximum adjustable electric quantity and the target electric quantity to be supplemented.
Optionally, when the electric quantity of the new hydropower source is compensated, that is, the target required electric quantity is smaller than or equal to the maximum adjustable electric quantity of the hydropower station, determining a target hydropower source compensation peak regulation strategy, compensating the new power source output according to the maximum adjustable output, and carrying out hydropower peak regulation on the rest adjustable electric quantity. That is, if At the moment, the hydropower compensates new energy according to the maximum adjustable output, and part of new energy cannot be compensated, but the hydropower also participates in system peak regulation with the rest of adjustable electric quantity. At this time, the mathematical expressions of the new energy electric quantity of the hydroelectric actual compensation, the electric quantity of the electric quantity required to be compensated by other power supplies and the residual peak regulation electric quantity of the hydroelectric are as follows:
wherein,and the electric quantity of the new hydropower compensation energy is represented, namely the target electric quantity to be compensated.
The result shows the compensation mode of the water and electricity to the new energy under different boundary conditions. However, the new energy output process is simplified, and the simplified rectangular process is replaced by the actual new energy output process in the calculation process. The mathematical expression of the conversion relation between the output force and the electric quantity of hydroelectric power and new energy (including theory and actual) power generation is as follows:
wherein, the reference output and the reference generated energy of the new energy power generation can be respectively expressed asAnd->The output and the generated energy of new energy which can be absorbed through compensation adjustment are respectively +.>And->Wherein->Representing the time period, the time scale in actual calculation is advisable +.>The method comprises the steps of carrying out a first treatment on the surface of the Hydroelectric power generation and->The output of the time period is +.>And->The method comprises the steps of carrying out a first treatment on the surface of the Electric discarding of new energy and +.>The electric discarding force in the time period is +. >And->。
The embodiment of the application can ensure safe and reliable operation of the wind-solar-water complementary energy base, realize optimal scheduling of the cascade hydropower station, enrich the traditional reservoir scheduling theory system and realize safe, stable and efficient scheduling operation of the wind-solar-water complementary energy base.
According to the embodiment of the application, the influence of short-term scheduling operation of the cascade hydropower station in the wind-solar-water complementary energy base on wind-power photovoltaic compensation and peak shaving of the electric power system is comprehensively considered, the electric power and electric quantity balance principle is introduced from the two angles of electric quantity and capacity, wind-solar-water complementary scheduling is adopted, the purpose that the hydropower station compensates wind-solar photovoltaic to the maximum extent under the condition that reservoir safety is guaranteed and water is not discarded is achieved, and the system peak shaving is participated.
FIG. 6 is a flowchart for obtaining a hydropower compensation peak shaving operation characteristic factor and an evaluation value according to an embodiment of the present application, where, as shown in FIG. 6, the plurality of operation characteristic factors include a hydropower flexibility coefficient, a hydropower compensation coefficient, and a hydropower peak shaving coefficient, and a hydropower compensation and peak shaving process differential sequence high-order moment, and obtaining the plurality of operation characteristic factors in the hydropower compensation peak shaving process, and obtaining the evaluation value of the hydropower compensation peak shaving according to the plurality of operation characteristic factors includes:
s601, obtaining new energy output, reference compensation new energy output, new energy capacity to be compensated and new energy load in the hydropower compensation peak regulation process.
S602, obtaining new energy consumption proportion according to new energy output and new energy power generation reference output.
Firstly, calculating the proportion of new energy consumption after complementation according to the wind-solar-water complementation operation calculation method and the actual new energy output processAs a basis for intuitively reflecting the complementary absorption of wind, light and water, the mathematical expression is as follows:
s603, obtaining the hydropower flexibility coefficient according to the maximum adjustable output, the forced output, the installed capacity of the hydropower station and the average value of the output.
Optionally, in terms of hydropower flexibility, according to maximum adjustable force, strengthThe step hydropower station in the quantifiable energy base can exert the overall capability of compensating the output of new energy and participating in peak regulation of the system by adopting the hydropower flexibility coefficientThe value range of the expression [0,1 ]]The smaller the regulation performance index is, the worse the water-electricity regulation capability is, otherwise, the stronger the water-electricity regulation capability is, and the mathematical expression is as follows:
in the method, in the process of the invention,and->Weight coefficient for hydropower adjustable capacity and adjustable electric quantity, +.>。
S604, obtaining a hydropower compensation coefficient according to the new energy consumption proportion, the maximum output of the new energy, the new energy capacity to be compensated, the electric quantity of the new hydropower compensation energy and the electric quantity required to be compensated by the new energy.
Optionally, in the aspect of hydropower compensation, in order to calculate the function of the cascade hydropower station in the energy base for compensating the fluctuation of the new energy output more accurately, the new energy power rejection rate and the maximum new energy output, the new energy output of hydropower compensation, the electric quantity of the new energy of hydropower compensation and the electric quantity required to be supplemented by the new energy are comprehensively considered, and the hydropower compensation coefficient is calculated.
Wherein,for the water and electricity compensation coefficient->When the value is 1, the new energy output process is completely compensated by the water and electricity, and when the value is 0, the new energy output is not compensated by the water and electricity.
S605, obtaining the maximum peak-valley difference of the load, the peak-valley difference of the hydropower station load, the total electric quantity of the peak load and the waist load and the electric quantity in the peak regulation process based on the output of the hydropower station at each moment, the new energy output and the new energy load.
Taking each moment in the t period as an example for explanation, acquiring the maximum peak-valley difference of the load based on the difference between the maximum value and the minimum value of the load of the new energy load in the t period; subtracting the load minimum value from each load of the new energy load in the t period, and calculating the total electric quantity of the corresponding peak load and waist load according to the partial multiplication time greater than the minimum value; see the formula in step S606 for details.
S606, obtaining a hydropower peak regulation coefficient based on the maximum peak-valley difference of the load, the peak-valley difference of the hydropower reduced load, the total electric quantity of the peak load and the waist load and the electric quantity in the peak regulation process.
Alternatively, in hydropower peak regulation, by comparing the maximum peak-to-valley difference of loadsPeak-to-valley difference with hydropower load reductionCombining the total electric quantity of peak load and waist load of the system>And the electric quantity in the water and electricity peak regulating process ∈ ->Calculating the hydropower peak regulation coefficient->，/>When the value is 1, the system indicates that the hydropower can be completely balancedThe peak-valley difference of the load, when the value is 0, indicates that the water and electricity do not participate in the peak regulation of the system. The mathematical expression is as follows:
wherein,is->The load borne by the energy base at each moment in time, i.e. the new energy load, ++>. max () and min () are functions of maximum and minimum values, respectively.
S607, obtaining a peak-to-valley difference sequence high-order moment of the peak regulation process based on the new energy capacity to be compensated, the new energy output, the installed capacity of the hydropower station and the peak-to-valley difference of the hydro-electric reduced load.
Optionally, in order to more accurately quantify the water and electricity regulation effect, the invention adopts the high-order moment to calculate and compensate the high-order moment of the differential sequence in the peak regulation processThe mathematical expression is as follows:
in the method, in the process of the invention,and->Respectively representing a differential sequence of new hydropower compensation energy and a differential sequence of hydropower peak regulation process, ++ >Representing time; />Representing the installed capacity of new energy; />Representation->The water and electricity compensation new energy source output in time period; />Representation->The output of the period hydropower peak regulation process.
S608, obtaining the average value of the hydropower flexibility coefficient and the hydropower compensation coefficient.
S609, obtaining the evaluation value of hydropower compensation peak regulation according to the product of the average value and the hydropower peak regulation coefficient and the sum value of the high-order moment of the differential sequence in the peak regulation process.
According to the compensation peak regulation operation characteristic indexes of the step hydropower station in the wind-light-water complementary energy base such as new energy consumption, hydropower flexibility, hydropower compensation, hydropower peak regulation and the like, and by combining the high-order moment statistical characteristics of the differential sequence in the compensation peak regulation process, the embodiment of the application provides a comprehensive index of hydropower compensation peak regulationThe calculation method of the step hydropower station compensation new energy and the adjustment system load effect in the energy base under certain running conditions are comprehensively reflected, and the evaluation value of hydropower compensation peak regulation can be obtained by adopting the following formula:
the comprehensive index analysis and evaluation of the compensation peak shaving in the embodiment of the application has more accurate hydro-electric compensation peak shaving capacity and benefit of the wind-light-water complementary energy base, stronger differentiation in the aspects of new energy consumption, hydropower flexibility, hydropower compensation, hydropower peak shaving and the like, stronger comprehensiveness and capability of providing a foundation for safe, stable and efficient dispatching operation of the wind-light-water complementary energy base.
The embodiment of the application starts from the aspects of new energy consumption after hydropower compensation, hydropower flexibility, hydropower compensation, hydropower peak regulation and the like, quantifies the compensation peak regulation operation characteristics of the cascade hydropower station in the wind-solar-water complementary energy base, provides the comprehensive index of hydropower compensation peak regulation to comprehensively reflect the overall situation of hydropower compensation peak regulation, and provides the basis for quantified evaluation for the cascade hydropower short-term compensation peak regulation operation of the wind-solar-water complementary energy base.
According to the method for calculating the hydro-electricity compensation peak shaving evaluation index based on the hydro-electricity output characteristic value, the complex process operations such as post evaluation and the like performed by the conventional method through the adoption of the hydropower station optimization scheduling result are avoided, the efficiency of analysis and evaluation of the hydro-electricity peak shaving capacity and the benefits is effectively improved, and technical support is provided for long-term and short-term coupling scheduling of the wind-solar-water complementary energy base.
Fig. 7 is a block diagram of a hydropower compensation peak shaving analysis evaluation device according to an embodiment of the disclosure, and as shown in fig. 7, a hydropower compensation peak shaving analysis evaluation device 700 includes:
the first obtaining module 710 is configured to obtain a hydropower station power generation parameter and a characteristic value thereof, and a new energy power generation parameter and a characteristic value thereof;
The second obtaining module 720 is configured to obtain a maximum adjustable output and a maximum adjustable electric quantity of the hydropower station according to the power generation parameter and the characteristic value of the hydropower station, and obtain a new energy required compensation output and a new energy required compensation electric quantity according to the new energy power generation parameter and the characteristic value of the new energy;
a third obtaining module 730, configured to obtain a target hydropower compensation peak regulation strategy according to the maximum adjustable output, the maximum adjustable electric quantity, the new energy required compensation output, and the new energy required compensation electric quantity, and determine a new hydropower compensation energy and a peak regulation electric quantity according to the target hydropower compensation peak regulation strategy, so as to execute hydropower compensation peak regulation;
the processing module 740 is configured to obtain a plurality of operation characteristic factors in the hydropower compensation peak shaving process, and obtain an evaluation value of the hydropower compensation peak shaving according to the plurality of operation characteristic factors.
In some embodiments, the hydropower station power generation parameters and the characteristic values thereof comprise the installed capacity of the hydropower station, the expected output force of the hydropower station, the forced output force of the hydropower station when the hydropower station leaks at a preset minimum flow, and the output force of the hydropower station in each period in a preset scheduling period; the new energy power generation parameters and characteristic values thereof comprise the installed capacity of the new energy, the maximum output, the minimum output and the theoretical output of the new energy power generation.
In some embodiments, the second acquisition module 720 is further configured to:
obtaining a maximum adjustable force according to the difference between the expected force and the forced force;
obtaining an output average value according to the output of the hydropower station in each period of a preset scheduling period, multiplying the output average value by preset time according to the difference between the output average value and the forced output, and obtaining the maximum adjustable electric quantity;
obtaining the required supplementing force of the new energy according to the difference between the maximum output force and the minimum output force of the new energy;
and multiplying the difference between the maximum output and the average output of the new energy by a preset time to obtain the electricity quantity required by the new energy.
In some embodiments, the third acquisition module 730 is further configured to:
determining the electric power balance condition of the new hydropower compensation energy according to the relation between the maximum adjustable output and the new energy required compensation output;
determining the electric power and electric quantity balance condition of the new hydropower compensation energy according to the relation between the maximum adjustable electric quantity and the electric quantity required to be supplemented by the new hydropower compensation energy;
and determining a target hydropower compensation peak regulation strategy according to the electric power balance condition of the new hydropower compensation energy.
In some embodiments, the third acquisition module 730 is further configured to:
when the maximum adjustable output force is larger than or equal to the new energy required compensation force, continuously judging the relationship between the maximum adjustable electric quantity and the new energy required compensation electric quantity;
When the maximum adjustable electric quantity is equal to the electric quantity required to be supplemented by the new energy, determining a target hydropower compensation peak regulation strategy, and compensating the new energy according to the maximum adjustable electric quantity; or (b)
When the maximum adjustable electric quantity of the hydropower station is larger than the electric quantity required to be supplemented by the new energy, determining a target hydropower compensation peak regulation strategy, compensating the new energy according to the electric quantity required to be supplemented by the new energy, and carrying out hydropower peak regulation according to the difference value between the maximum adjustable electric quantity and the electric quantity required to be supplemented by the new energy; or (b)
When the maximum adjustable electric quantity of the hydropower station is smaller than the electric quantity required to be supplemented by the new energy, determining a target hydropower compensation peak regulation strategy, compensating the new energy according to the maximum adjustable electric quantity, and calling the peak regulation power supply to compensate the new energy according to the difference value between the electric quantity required to be supplemented by the new energy and the maximum adjustable electric quantity.
In some embodiments, the third acquisition module 730 is further configured to:
when the maximum adjustable output force of the hydropower station is smaller than the new energy source required compensation force, acquiring the target required compensation electric quantity of the hydropower station for compensating the new energy source according to the maximum adjustable output force, and continuously judging the relationship between the maximum adjustable electric quantity and the target required compensation electric quantity;
when the maximum adjustable electric quantity is larger than the target electric quantity to be supplemented, determining a target hydropower compensation peak regulation strategy, compensating new energy according to the minimum value in the maximum adjustable electric quantity and the electric quantity compensation capacity, and calling the peak regulation power supply to compensate the new energy; or (b)
And when the maximum adjustable electric quantity is smaller than or equal to the target electric quantity to be supplemented, determining a target hydropower compensation peak regulation strategy, compensating new energy according to the maximum adjustable output, and carrying out hydropower peak regulation according to the difference value between the maximum adjustable electric quantity and the target electric quantity to be supplemented.
In some embodiments, the plurality of operational characteristic factors includes a hydropower flexibility factor, a hydropower compensation factor, and a hydropower peak shaver factor, a hydropower compensation and peak shaver process differential sequence high order moment, and the processing module 740 is further configured to:
acquiring new energy output, reference compensation new energy output, new energy capacity to be compensated and new energy load in the hydropower compensation peak regulation process;
acquiring new energy consumption proportion according to new energy output and new energy power generation reference output;
obtaining a hydropower flexibility coefficient according to the maximum adjustable output, the forced output, the installed capacity of the hydropower station and the average value of the output;
obtaining a hydropower compensation coefficient according to the new energy consumption proportion, the maximum output of the new energy, the new energy capacity to be compensated, the electric quantity of the new hydropower compensation energy and the electric quantity required to be compensated by the new energy;
the method comprises the steps of respectively obtaining the maximum peak-valley difference of a load, the peak-valley difference of a hydropower station load, the total electric quantity of peak load and waist load and the electric quantity in the peak regulation process based on the output of the hydropower station at each moment, the output of new energy and the new energy load;
Obtaining a hydropower peak regulation coefficient based on the maximum peak-valley difference of the load, the peak-valley difference of the hydropower reduced load, the total electric quantity of the peak load and the waist load and the electric quantity in the peak regulation process;
and obtaining a peak-to-valley difference sequence high-order moment in the peak regulation process based on the new energy capacity to be compensated, the new energy output, the installed capacity of the hydropower station and the peak-to-valley difference of the hydro-electric reduced load.
In some implementations, the processing module 740 is further configured to:
obtaining an average value of the hydropower flexibility coefficient and the hydropower compensation coefficient;
and obtaining the evaluation value of the hydropower compensation peak regulation according to the product of the average value and the hydropower peak regulation coefficient and the sum value of the differential sequence high-order moment in the peak regulation process.
The embodiment of the application can ensure safe and reliable operation of the wind-solar-water complementary energy base, realize optimal scheduling of the cascade hydropower station, enrich the traditional reservoir scheduling theory system and realize safe, stable and efficient scheduling operation of the wind-solar-water complementary energy base.
Based on the same application conception, the embodiment of the application also provides electronic equipment.
Fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application. As shown in fig. 8, the electronic device 800 includes a memory 801, a processor 802, and a computer program product stored in the memory 801 and executable on the processor 802, and when the processor executes the computer program, the aforementioned hydropower compensation peak shaving analysis and evaluation method is implemented.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Based on the same application concept, the embodiment of the application further provides a computer readable storage medium, on which computer instructions are stored, wherein the computer instructions are used for making a computer execute the hydropower compensation peak shaving analysis evaluation method in the embodiment.
Based on the same application concept, the embodiment of the application also provides a computer program product, which comprises a computer program, and the computer program is used for carrying out the hydropower compensation peak shaving analysis and evaluation method in the embodiment.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order. These words may be interpreted as names.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the invention. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.

Claims (8)

1. The hydropower compensation peak regulation analysis and evaluation method is characterized by comprising the following steps of:
obtaining a hydropower station power generation parameter and a characteristic value thereof, and a new energy power generation parameter and a characteristic value thereof, wherein the hydropower station power generation parameter and the characteristic value thereof comprise the installed capacity of the hydropower station, the expected output of the hydropower station, the forced output of the hydropower station when the hydropower station leaks at a preset minimum flow and the output of the hydropower station in each period in a preset scheduling period, and the new energy power generation parameter and the characteristic value thereof comprise the installed capacity of the new energy, the maximum output, the minimum output and the theoretical output of new energy power generation;
Obtaining the maximum adjustable output and the maximum adjustable electric quantity of the hydropower station according to the power generation parameters and the characteristic values of the hydropower station, and obtaining the new energy required compensation output and the new energy required compensation electric quantity according to the new energy power generation parameters and the characteristic values of the new energy power generation parameters;
obtaining a target hydropower compensation peak regulation strategy according to the maximum adjustable output, the maximum adjustable electric quantity, the new energy required compensation output and the new energy required compensation electric quantity, and determining a hydropower compensation new energy and peak regulation electric quantity according to the target hydropower compensation peak regulation strategy so as to execute hydropower compensation peak regulation;
acquiring a plurality of operation characteristic factors in the hydropower compensation peak shaving process, and acquiring evaluation values of hydropower compensation peak shaving according to the plurality of operation characteristic factors, wherein the plurality of operation characteristic factors comprise a hydropower flexibility coefficient, a hydropower compensation coefficient, a hydropower peak shaving coefficient, and a differential sequence high-order moment in the hydropower compensation and peak shaving process;
the obtaining of the plurality of operation characteristic factors in the hydropower compensation peak regulation process comprises the following steps:
acquiring new energy output, reference compensation new energy output, new energy capacity to be compensated and new energy load in the hydropower compensation peak regulation process;
acquiring the new energy consumption proportion according to the new energy output and the new energy power generation reference output;
Obtaining the hydropower flexibility coefficient according to the maximum adjustable output, the forced output, the installed capacity of the hydropower station and the output average value;
acquiring the hydropower compensation coefficient according to the new energy consumption proportion, the maximum new energy output, the new energy capacity to be compensated, the electric quantity of the hydropower compensation new energy and the electric quantity to be compensated of the new energy;
the power output of the hydropower station at each moment, the new energy output and the new energy load are respectively used for obtaining the maximum peak-valley difference of the load, the peak-valley difference of the hydropower station load, the total power of the peak load and the waist load and the power in the peak regulation process;
obtaining the hydropower peak regulation coefficient based on the maximum peak-valley difference of the load, the peak-valley difference of the hydropower reduced load, the total electric quantity of the peak load and the waist load and the electric quantity in the peak regulation process;
and obtaining the peak regulation process differential sequence high-order moment based on the new energy capacity to be compensated, the new energy output, the installed capacity of the hydropower station and the peak-valley difference of the hydropower station load reduction.
2. The method according to claim 1, wherein the obtaining the maximum adjustable output and the maximum adjustable power of the hydropower station according to the power generation parameter and the characteristic value thereof, and obtaining the new energy required compensation output and the new energy required compensation power according to the new energy power generation parameter and the characteristic value thereof comprises:
Obtaining the maximum adjustable force according to the difference between the expected force and the forced force;
obtaining an output average value according to the output of the hydropower station in each period in a preset scheduling period, and obtaining the maximum adjustable electric quantity by multiplying a preset time according to the difference between the output average value and the forced output;
obtaining the new energy required compensation force according to the difference between the maximum output and the minimum output of the new energy;
and multiplying the preset time according to the difference between the maximum output of the new energy and the average output value to obtain the new energy power-required quantity.
3. The method of claim 1, wherein the obtaining a target hydro-electric compensation peak shaving strategy according to the maximum adjustable power of the hydropower station, the new energy required power and the new energy required power, comprises:
determining the electric power balance condition of the new hydropower compensation energy according to the relation between the maximum adjustable force and the new energy required compensation force;
determining the electric power and electric quantity balance condition of the new hydropower compensation energy according to the relation between the maximum adjustable electric quantity and the electric quantity required to be supplemented by the new energy and the electric power balance condition of the new hydropower compensation energy;
And determining the target hydropower compensation peak regulation strategy according to the electric power and electric quantity balance condition of the hydropower compensation new energy.
4. The method of claim 1, wherein the obtaining a target hydro-electric compensation peak shaving strategy according to the maximum adjustable power of the hydropower station, the new energy required power and the new energy required power, comprises:
when the maximum adjustable output force is larger than or equal to the new energy required compensation force, continuing to judge the relationship between the maximum adjustable electric quantity and the new energy required compensation electric quantity;
when the maximum adjustable electric quantity is equal to the electric quantity required to be supplemented by the new energy, determining that the target hydropower compensation peak regulation strategy is that the new energy is compensated according to the maximum adjustable electric quantity; or (b)
When the maximum adjustable electric quantity of the hydropower station is larger than the electric quantity required to be supplemented by the new energy, determining that the target hydropower compensation peak regulation strategy is to compensate the new energy according to the electric quantity required to be supplemented by the new energy, and carrying out hydropower peak regulation according to the difference value between the maximum adjustable electric quantity and the electric quantity required to be supplemented by the new energy; or (b)
When the maximum adjustable electric quantity of the hydropower station is smaller than the new energy required electric quantity, determining that the target hydropower compensation peak regulation strategy is to compensate the new energy according to the maximum adjustable electric quantity, and calling a peak regulation power supply to compensate the new energy according to the difference value between the new energy required electric quantity and the maximum adjustable electric quantity.
5. The method of claim 1, wherein the obtaining a target hydro-electric compensation peak shaving strategy according to the maximum adjustable power of the hydropower station, the new energy required power and the new energy required power, comprises:
when the maximum adjustable output force of the hydropower station is smaller than the new energy required compensation force, acquiring the target required compensation electric quantity of the hydropower station for compensating the new energy according to the maximum adjustable output force, and continuously judging the relationship between the maximum adjustable electric quantity and the target required compensation electric quantity;
when the maximum adjustable electric quantity is larger than the target electric quantity to be supplemented, determining that the target hydropower compensation peak regulation strategy is to compensate new energy according to the minimum value in the maximum adjustable electric quantity and the electric quantity compensation capacity, and calling a peak regulation power supply to compensate new energy; or (b)
And when the maximum adjustable electric quantity is smaller than or equal to the target electric quantity to be supplemented, determining that the target hydropower compensation peak regulation strategy is to compensate new energy according to the maximum adjustable output, and carrying out hydropower peak regulation according to the difference value between the maximum adjustable electric quantity and the target electric quantity to be supplemented.
6. The method of claim 1, wherein obtaining an evaluation value of hydropower compensation peak shaving based on the plurality of operational characteristic factors comprises:
Acquiring an average value of the hydropower flexibility coefficient and the hydropower compensation coefficient;
and obtaining the evaluation value of the hydropower compensation peak regulation according to the product of the average value and the hydropower peak regulation coefficient and the sum value of the high-order moment of the differential sequence in the peak regulation process.
7. A hydropower compensation peak regulation analysis and evaluation device is characterized by comprising:
the first acquisition module is used for acquiring hydropower station power generation parameters and characteristic values thereof, new energy power generation parameters and characteristic values thereof, wherein the hydropower station power generation parameters and characteristic values thereof comprise the installed capacity of the hydropower station, the expected output of the hydropower station, the forced output of the hydropower station when the hydropower station leaks at a preset minimum flow and the output of the hydropower station in each period in a preset scheduling period, and the new energy power generation parameters and characteristic values thereof comprise the installed capacity of the new energy, the maximum output, the minimum output and the theoretical output of the new energy power generation;
the second acquisition module is used for acquiring the maximum adjustable output and the maximum adjustable electric quantity of the hydropower station according to the power generation parameters and the characteristic values of the hydropower station, and acquiring the new energy required compensation output and the new energy required compensation electric quantity according to the new energy power generation parameters and the characteristic values of the new energy power generation parameters;
the third acquisition module is used for acquiring a target hydropower compensation peak regulation strategy according to the maximum adjustable output, the maximum adjustable electric quantity, the new energy required compensation output and the new energy required compensation electric quantity, and determining a hydropower compensation new energy and peak regulation electric quantity according to the target hydropower compensation peak regulation strategy so as to execute hydropower compensation peak regulation;
The processing module is used for acquiring a plurality of operation characteristic factors in the hydropower compensation peak shaving process and acquiring evaluation values of the hydropower compensation peak shaving according to the operation characteristic factors, wherein the operation characteristic factors comprise a hydropower flexibility coefficient, a hydropower compensation coefficient, a hydropower peak shaving coefficient and a hydropower compensation and peak shaving process difference sequence high-order moment;
the obtaining of the plurality of operation characteristic factors in the hydropower compensation peak regulation process comprises the following steps:
acquiring new energy output, reference compensation new energy output, new energy capacity to be compensated and new energy load in the hydropower compensation peak regulation process;
acquiring the new energy consumption proportion according to the new energy output and the new energy power generation reference output;
obtaining the hydropower flexibility coefficient according to the maximum adjustable output, the forced output, the installed capacity of the hydropower station and the output average value;
acquiring the hydropower compensation coefficient according to the new energy consumption proportion, the maximum new energy output, the new energy capacity to be compensated, the electric quantity of the hydropower compensation new energy and the electric quantity to be compensated of the new energy;
the power output of the hydropower station at each moment, the new energy output and the new energy load are respectively used for obtaining the maximum peak-valley difference of the load, the peak-valley difference of the hydropower station load, the total power of the peak load and the waist load and the power in the peak regulation process;
Obtaining the hydropower peak regulation coefficient based on the maximum peak-valley difference of the load, the peak-valley difference of the hydropower reduced load, the total electric quantity of the peak load and the waist load and the electric quantity in the peak regulation process;
and obtaining the peak regulation process differential sequence high-order moment based on the new energy capacity to be compensated, the new energy output, the installed capacity of the hydropower station and the peak-valley difference of the hydropower station load reduction.
8. An electronic device, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-6.
CN202311110964.7A 2023-08-31 2023-08-31 Hydropower compensation peak regulation analysis and evaluation method and device thereof Active CN116823000B (en)

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