CN116163879B - Operation condition adjusting method and device for pumped storage power station and computer equipment - Google Patents
Operation condition adjusting method and device for pumped storage power station and computer equipment Download PDFInfo
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- CN116163879B CN116163879B CN202310452463.0A CN202310452463A CN116163879B CN 116163879 B CN116163879 B CN 116163879B CN 202310452463 A CN202310452463 A CN 202310452463A CN 116163879 B CN116163879 B CN 116163879B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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Abstract
The application relates to a method and a device for adjusting the operation condition of a pumped storage power station and computer equipment. The method comprises the following steps: acquiring water storage parameters of an upper reservoir and a lower reservoir in a pumped storage power station, wherein the water storage parameters comprise storage capacities corresponding to upper and lower limit values of a water storage level; determining the remaining sustainable time under the current operation working condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter; and adjusting the operation condition of the pumped storage power station based on the remaining sustainable time under the current operation condition and the number of the operation units of the pumped storage power station. By adopting the scheme, the power generation efficiency can be improved.
Description
Technical Field
The application relates to the technical field of computers, in particular to a method, a device, computer equipment, a storage medium and a computer program product for adjusting the operation condition of a pumped storage power station.
Background
The working principle of the pumped storage power station is that the electric energy of the pumped storage power station in the power load valley is utilized to pump water to the upper reservoir, and the power generation working condition of the pumped storage power station is utilized to pump water to the lower reservoir in the power load peak period for power generation.
Therefore, the pumped storage power station can convert the redundant electric energy when the power grid load is low into high-value electric energy in the peak period of the power grid, is also suitable for frequency modulation and phase modulation, stabilizes the cycle and voltage of a power system, is suitable for accident standby, and can also improve the efficiency of a thermal power station and a nuclear power station in the system.
At present, pumped hours and pumped water volume of a pumped storage power station can be obtained, manual calculation is needed by manual point selection, and a unit of the pumped storage power station cannot perform standardized dispatching operation, so that the power generation efficiency is low.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a method, apparatus, computer device, computer readable storage medium and computer program product for adjusting the operating conditions of a pumped-storage power station that can improve the power generation efficiency.
In a first aspect, the application provides a method for regulating the operating conditions of a pumped-storage power station. The method comprises the following steps:
acquiring water storage parameters of an upper reservoir and a lower reservoir in a pumped storage power station, wherein the water storage parameters comprise storage capacities corresponding to upper and lower limit values of a water storage level;
determining the remaining sustainable time under the current operation working condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter;
And adjusting the operation condition of the pumped storage power station based on the remaining sustainable time under the current operation condition and the number of the operation units of the pumped storage power station.
In one embodiment, the adjusting the operation condition of the pumped-storage power station based on the remaining sustainable time under the current operation condition and the number of operation units of the pumped-storage power station includes:
if the current operation condition is in the power generation condition, adjusting the operation condition of the pumped storage power station according to the remaining sustainable power generation time under the power generation condition and the number of operation units of the pumped storage power station in the power generation condition;
and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition.
In one embodiment, if the current operation condition is in the power generation condition, adjusting the operation condition of the pumped storage power station according to the remaining sustainable power generation time under the power generation condition and the number of operation units of the pumped storage power station in the power generation condition includes:
if the current operation condition is in the power generation condition, the operation condition of the pumped storage power station is regulated according to the ratio of the remaining sustainable power generation time under the power generation condition to the number of operation units in the power generation condition of the pumped storage power station and a preset ratio threshold;
If the current operation condition is in the pumping condition, according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition, adjusting the operation condition of the pumping energy storage power station comprises:
and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the ratio of the remaining sustainable pumping time to the number of operation units of the pumping energy storage power station in the pumping condition and a preset ratio threshold.
In one embodiment, the determining the remaining sustainable time under the current operation condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter includes:
acquiring the real-time water level of an upper reservoir and the real-time water level of a lower reservoir;
obtaining the real-time reservoir capacity of the upper reservoir and the real-time reservoir capacity of the lower reservoir according to the real-time water level of the upper reservoir and the real-time water level of the lower reservoir;
and determining the remaining sustainable time under the current operation working condition according to the upper reservoir water storage parameter, the lower reservoir water storage parameter, the upper reservoir real-time storage capacity and the lower reservoir real-time storage capacity.
In one embodiment, the method for adjusting the operation condition of the pumped-storage power station further includes:
Acquiring the current day power generation water quantity and the current day water pumping water quantity;
and regulating the power generation water quantity and the water pumping quantity of the pumped storage power station according to the current day power generation water quantity and the current day water pumping quantity.
In one embodiment, the method for adjusting the operation condition of the pumped-storage power station further includes:
acquiring a historical reservoir capacity curve of a target reservoir, wherein the target reservoir is an upper reservoir or a lower reservoir;
analyzing the historical storage capacity curve to obtain a slope of the historical storage capacity curve;
obtaining accumulated power generation water quantity and accumulated pumping water quantity according to the reservoir capacity of the historical reservoir capacity curve at the corresponding moment when the slope sign changes;
and obtaining the operation efficiency of the pumped storage power station according to the accumulated power generation water quantity and the accumulated pumped water quantity.
The operation condition adjusting method, the device, the computer equipment, the storage medium and the computer program product of the pumped storage power station acquire the upper reservoir water storage parameter and the lower reservoir water storage parameter of the pumped storage power station, wherein the water storage parameter comprises upper and lower limit values of water storage level and storage capacity; determining the remaining sustainable time under the current operation working condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter; and adjusting the operation condition of the pumped storage power station based on the remaining sustainable time under the current operation condition and the number of the operation units of the pumped storage power station. In the scheme, the operation working condition of the pumped storage power station is adjusted according to the remaining sustainable time under the current operation working condition, the generated water quantity and the pumped water quantity can be kept not to exceed the upper limit value and the lower limit value of the water storage water level, the generated water quantity and the pumped water quantity are adjusted, and the power generation efficiency is improved.
Drawings
FIG. 1 is an application environment diagram of a method of operating condition adjustment for a pumped-storage power station in one embodiment;
FIG. 2 is a flow chart of a method of operating condition adjustment for a pumped-storage power station in one embodiment;
FIG. 3 is a flow chart of a method of operating condition adjustment for a pumped-storage power plant in another embodiment;
FIG. 4 is a block diagram of an operating condition adjustment device for a pumped-storage power station in one embodiment;
fig. 5 is an internal structural diagram of a computer device in one embodiment.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The operation condition adjusting method of the pumped storage power station provided by the embodiment of the application can be applied to an application environment shown in figure 1. Wherein the terminal 102 communicates with the server 104 via a network. The data storage system may store data that the server 104 needs to process. The data storage system may be integrated on the server 104 or may be located on a cloud or other network server. The terminal 102 responds to user operation, generates an operation condition adjustment request of the pumped-storage power station, sends the operation condition adjustment request to the server 104, the server 104 obtains the operation condition adjustment request, obtains upper reservoir water storage parameters and lower reservoir water storage parameters of the pumped-storage power station, determines the remaining sustainable time under the current operation condition according to the upper reservoir water storage parameters and the lower reservoir water storage parameters, and adjusts the operation condition of the pumped-storage power station based on the remaining sustainable time under the current operation condition and the number of operation groups of the pumped-storage power station. The terminal 102 may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, etc. The server 104 may be implemented as a stand-alone server or as a server cluster of multiple servers.
In one embodiment, as shown in fig. 2, a method for adjusting the operation condition of a pumped-storage power station is provided, and the method is applied to the server 104 in fig. 1 for illustration, and includes the following steps:
s200, acquiring upper reservoir water storage parameters and lower reservoir water storage parameters of the pumped storage power station.
The pumped storage power station uses the unit to pump water when the power load is low, uses the unit to discharge water again in the power load peak period, is provided with an upper reservoir and a lower reservoir, pumps water from the lower reservoir to the upper reservoir under the pumping working condition, and discharges water from the upper reservoir to the lower reservoir under the generating working condition. Specifically, the upper reservoir water storage parameters comprise upper and lower limit values of upper reservoir water storage level and storage capacity corresponding to the upper and lower limit values of upper reservoir water storage level; the lower reservoir water storage parameters comprise upper and lower limit values of the lower reservoir water storage level and storage capacity corresponding to the upper and lower limit values of the lower reservoir water storage level.
Specifically, the upper limit and the lower limit of the water storage level of the water storage power station reservoir respectively refer to the high alarm water level of the water storage level of the upper reservoirHigh alarm water level of water storage level of lower reservoir>Low alarm water level of upper reservoir>Low alarm water level of lower reservoir >. The high alarm water level of the upper reservoir and the lower reservoir is provided with a first-level high alarm and a second-level high alarm, and the low alarm water level of the upper reservoir and the lower reservoir is usually provided with a first-level low alarm and a second-level low alarm, namely the high alarm water level of the upper reservoir, the low alarm water level of the lower reservoir, the high alarm water level of the lower reservoir, the low alarm water level of the lower reservoir and the low alarm water level of the lower reservoir. Optionally, aThe application selects the secondary alarm water level for calculation. And (3) utilizing a pumped storage power station water level reservoir capacity calculation curve or formula, calculating the upper and lower limit values of the upper reservoir water storage level to obtain the reservoir capacity corresponding to the upper and lower limit values of the upper reservoir water storage level, and calculating the upper and lower limit values of the lower reservoir water storage level to obtain the reservoir capacity corresponding to the upper and lower limit values of the lower reservoir water storage level.
S400, determining the remaining sustainable time under the current operation working condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter.
The operation working conditions comprise a power generation working condition and a water pumping working condition; the remaining sustainable time under the current operation condition is the number of hours that can generate electricity or the number of hours that can pump water under the current operation condition, and further, the remaining sustainable time under the current operation condition can be the number of hours that can generate electricity or the number of hours that can pump water under the current operation condition.
Specifically, through a calculation curve or formula of the reservoir capacity of the upper reservoir water storage level of the pumped storage power station, the reservoir capacity corresponding to the upper limit value of the upper reservoir water storage level can be calculated according to the upper limit value of the upper reservoir water storage level, and the reservoir capacity corresponding to the lower limit value of the upper reservoir water storage level can be calculated according to the lower limit value of the upper reservoir water storage level; through a pumped storage power station lower reservoir water storage level reservoir capacity calculation curve or formula, the reservoir capacity corresponding to the lower reservoir water storage level upper limit value can be calculated according to the lower reservoir water storage level upper limit value, and the reservoir capacity corresponding to the lower reservoir water storage level lower limit value can be calculated according to the lower reservoir water storage level lower limit value. And acquiring the operation working condition of the current pumped storage power station unit, and calculating to obtain the residual sustainable time under the current operation working condition according to the reservoir capacity corresponding to the upper limit value and the lower limit value of the water storage level of the upper reservoir and the upper limit value and the lower limit value of the water storage level of the lower reservoir and the reservoir capacity corresponding to the upper limit value and the lower limit value of the water storage level of the lower reservoir.
And S600, adjusting the operation condition of the pumped storage power station based on the remaining sustainable time under the current operation condition and the number of the operation units of the pumped storage power station.
Specifically, if the current pumped storage power station unit is in a power generation working condition, adjusting the operation working condition of the pumped storage power station based on the remaining sustainable time under the power generation working condition and the number of the pumped storage power station operation units; and if the current pumped storage power station unit is in the pumping working condition, adjusting the operation working condition of the pumped storage power station based on the remaining sustainable time under the pumping working condition and the number of the operation units of the pumped storage power station.
According to the operation condition adjusting method of the pumped storage power station, the upper reservoir water storage parameter and the lower reservoir water storage parameter of the pumped storage power station are obtained, the remaining sustainable time under the current operation condition is determined according to the upper reservoir water storage parameter and the lower reservoir water storage parameter, the operation condition of the pumped storage power station is adjusted based on the remaining sustainable time under the current operation condition and the number of operation units of the pumped storage power station, the power generation water quantity and the pumped water quantity can be adjusted, and the power generation efficiency is improved.
In one embodiment, adjusting the operating condition of the pumped-storage power station based on the remaining sustainable time under the current operating condition and the number of pumped-storage power station operating units comprises:
if the current operation condition is in the power generation condition, adjusting the operation condition of the pumped storage power station according to the remaining sustainable power generation time under the power generation condition and the number of operation units of the pumped storage power station in the power generation condition; and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition.
The method comprises the steps of obtaining the operation working conditions of a current pumped storage power station unit, and judging whether to change the power generation working conditions of the current pumped storage power station unit according to the number of times of power generation under the power generation working conditions and the number of the operation working conditions of the pumped storage power station under the power generation working conditions if the current pumped storage power station unit is under the power generation working conditions; if the current pumped storage power station set is in the pumping working condition, judging whether to change the pumping working condition of the current pumped storage power station set according to the number of the pumping hours under the pumping working condition and the number of the running sets of the pumped storage power station in the pumping working condition.
In the embodiment, if the current operation condition is in the power generation condition, the operation condition of the pumped storage power station is regulated according to the remaining sustainable power generation time under the power generation condition and the number of operation units of the pumped storage power station in the power generation condition; if the current operation condition is in the pumping condition, the operation condition of the pumping energy storage power station is adjusted according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition, and the power generation water quantity and the pumping water quantity of the pumping energy storage power station can be adjusted by adjusting the operation condition of the pumping energy storage power station.
In one embodiment, if the current operation condition is in the power generation condition, adjusting the operation condition of the pumped storage power station according to the remaining sustainable power generation time under the power generation condition and the number of operation units of the pumped storage power station in the power generation condition includes:
if the current operation condition is in the power generation condition, the operation condition of the pumped storage power station is regulated according to the ratio of the remaining sustainable power generation time under the power generation condition to the number of operation units in the power generation condition of the pumped storage power station and a preset ratio threshold; if the current operation condition is in the pumping condition, according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition, adjusting the operation condition of the pumping energy storage power station comprises: and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the ratio of the remaining sustainable pumping time to the number of operation units of the pumping energy storage power station in the pumping condition and a preset ratio threshold.
Specifically, when the pumped storage power station sets are in the power generation working condition, the number of the operation sets of the pumped storage power station in the power generation working condition is obtainedWhen the ratio of the remaining sustainable power generation time under the power generation working condition to the number of the running units of the pumped storage power station under the power generation working condition is smaller than a preset ratio threshold value, namely +.>When the pump storage power station unit is in the power generation working condition, the pump storage power station unit is stopped, or the running working condition of the pump storage power station unit is the currentThe working condition is changed into a water pumping working condition; if the current operation condition is in the pumping condition, acquiring the number of operation units of the pumping energy storage power station in the pumping condition>When the ratio of the remaining sustainable pumping time under the pumping working condition to the number of the running units of the pumping energy storage power station under the pumping working condition is smaller than a preset ratio threshold value, namely +.>And stopping the pumped storage power station set under the pumping working condition, or converting the current operation working condition of the pumped storage power station set into a power generation working condition.
In the embodiment, if the current operation condition is in the power generation condition, the operation condition of the pumped storage power station is regulated according to the ratio of the remaining sustainable power generation time under the power generation condition to the number of operation units in which the pumped storage power station is in the power generation condition and a preset ratio threshold; if the current operation condition is in the pumping condition, the operation condition of the pumping energy storage power station is adjusted according to the ratio of the remaining sustainable pumping time to the number of operation units of the pumping energy storage power station in the pumping condition and a preset ratio threshold value, and the operation condition of the pumping energy storage power station is adjusted by obtaining the remaining sustainable pumping time or the remaining sustainable power generation time of a single power station machine.
In one embodiment, as shown in fig. 3, S400 includes:
s420, acquiring the real-time water level of the upper reservoir and the real-time water level of the lower reservoir.
S440, obtaining the real-time reservoir capacity of the upper reservoir and the real-time reservoir capacity of the lower reservoir according to the real-time water level of the upper reservoir and the real-time water level of the lower reservoir.
S460, determining the remaining sustainable time under the current operation working condition according to the upper reservoir water storage parameter, the lower reservoir water storage parameter, the upper reservoir real-time storage capacity and the lower reservoir real-time storage capacity.
In particular, the real-time water level of the upper reservoir is obtainedReal-time water level of lower reservoir->According to the real-time water level of the upper reservoir, the water level and the reservoir capacity calculation curve or formula of the pumped storage power station are adopted>Calculating to obtain the real-time storage capacity of the upper reservoir>According to the real-time water level of the lower reservoir>Calculating to obtain the real-time reservoir capacity of the lower reservoir>The operation condition of the pumped storage power station unit is obtained, and when the pumped storage power station unit is in the power generation condition, the number of times of power generation can be performed = = -in the power generation condition>Wherein->Is corresponding to the storage capacity of the upper reservoir water level lower limit value>Corresponds to the upper limit value of the water level of the lower reservoir and is +.>The power generation flow is the power generation flow of the power generation working condition; when the pumped storage power station set is in a pumping working condition, the number of the pumping hours is =Wherein->For the lower limit value of the water level of the lower reservoir to correspond to the reservoir capacity, Is the lower limit of the water level of the upper reservoirThe value corresponds to the stock capacity>The pumping flow is the pumping flow of pumping working condition.
In this embodiment, the real-time upper reservoir capacity and the real-time lower reservoir capacity are obtained by obtaining the real-time upper reservoir water level and the real-time lower reservoir water level according to the real-time upper reservoir water level and the real-time lower reservoir water level, and the remaining sustainable time under the current operation condition is determined according to the water storage parameters of the upper reservoir, the water storage parameters of the lower reservoir, the real-time upper reservoir capacity and the real-time lower reservoir capacity, so that the operation condition of the pumped storage power station unit can be adjusted according to the remaining sustainable time under the current operation condition.
In one embodiment, the method for adjusting the operation condition of the pumped-storage power station further comprises:
acquiring the current day power generation water quantity and the current day water pumping water quantity; and regulating the power generation water quantity and the water pumping quantity of the pumped storage power station according to the power generation water quantity and the water pumping water quantity of the same day.
Specifically, the current day power generation water quantity and the current day water pumping water quantity are calculated and obtained through a water level reservoir capacity calculation curve or formula of the pumped storage power station, and the next day power generation water quantity and the next day water pumping water quantity of the pumped storage power station can be adjusted through the current day power generation water quantity and the current day water pumping water quantity.
In this embodiment, the generated water amount and the pumped water amount of the pumped storage power station are adjusted according to the generated water amount and the pumped water amount of the day, so that the generated water amount and the pumped water amount of the pumped storage power station can be kept in dynamic balance.
In one embodiment, the method for adjusting the operation condition of the pumped-storage power station further comprises:
acquiring a historical reservoir capacity curve of a target reservoir, wherein the target reservoir is an upper reservoir or a lower reservoir; analyzing the historical storage capacity curve to obtain the slope of the historical storage capacity curve; obtaining accumulated power generation water quantity and accumulated pumping water quantity according to the reservoir capacity of the historical reservoir capacity curve at the corresponding moment when the slope sign changes; and obtaining the operation efficiency of the pumped storage power station according to the accumulated power generation water quantity and the accumulated pumped water quantity.
Specifically, the accumulated power generation water quantity and the accumulated pumping water quantity can be calculated through an upper reservoir historical reservoir capacity curve or a lower reservoir historical reservoir capacity curve, and the accumulated power generation water quantity and the accumulated pumping water quantity are calculated through the upper reservoir historical reservoir capacity curve by the following specific steps:
acquiring a historical reservoir capacity curve of the upper reservoir in a historical time period, calculating the slope of the historical reservoir capacity curve of the upper reservoir, and acquiring the time when the slope sign of the historical reservoir capacity curve changes from positive to negative according to the increment of the historical reservoir capacity curve with timeAnd corresponding value of storage capacity->Component vector->The method comprises the steps of carrying out a first treatment on the surface of the Vector->The adjacent values are subjected to difference (i.e.)>) Post-acquisition vector->Then>The inner values are accumulated to obtain accumulated generated water amount ZF; acquiring time when the slope sign of the historical reservoir capacity curve changes from negative to positive according to the increment of the historical reservoir capacity curve in the upper reservoir with time +. >And corresponding value of storage capacity->Composition vectorThe method comprises the steps of carrying out a first treatment on the surface of the Vector->The adjacent values are subjected to difference between each other (i.e) Post-acquisition vector->Then>And accumulating the inner values to obtain the accumulated pumping water quantity ZC.
The method comprises the following specific steps of calculating the accumulated power generation water quantity and the accumulated pumping water quantity through a lower reservoir historical reservoir capacity curve:
acquiring a lower reservoir historical reservoir capacity curve in a historical time period, calculating the slope of the lower reservoir historical reservoir capacity curve, and acquiring the time when the slope sign of the historical reservoir capacity curve changes from positive to negative according to the increment of the lower reservoir historical reservoir capacity curve with timeAnd corresponding value of storage capacity->Component vector->The method comprises the steps of carrying out a first treatment on the surface of the Vector->The adjacent values are subjected to difference (i.e.)>) Post-acquisition vector->Then>The inner values are accumulated to obtain the accumulated pumping water quantity ZC; obtaining the increment with time in the historical reservoir capacity curve according to the reservoirTime when slope sign of historic reservoir capacity curve changes from negative to positive +.>And corresponding value of storage capacity->Component vector->The method comprises the steps of carrying out a first treatment on the surface of the Vector->The adjacent values are subjected to difference (i.e.)>) Post-acquisition vectorThen>And accumulating the inner values to obtain the accumulated generated water amount ZF.
In the two methods, when the historical time period can be day, week, month and year, the corresponding accumulated water pumping amount ZC and the accumulated generated water amount ZF are the statistics values of the corresponding dimensions. And dividing the accumulated water pumping quantity by the accumulated power generation water quantity to obtain the operation efficiency of the pumped storage power station.
In this embodiment, by acquiring a historical storage capacity curve of the target reservoir, analyzing the historical storage capacity curve to obtain a slope of the historical storage capacity curve, obtaining an accumulated generated water amount and an accumulated pumped water amount according to the storage capacity of the corresponding moment when the slope sign of the historical storage capacity curve changes, obtaining the operation efficiency of the pumped storage power station according to the accumulated generated water amount and the accumulated pumped water amount, and managing and scheduling the subsequent pumped storage power station according to the operation efficiency of the pumped storage power station.
It should be understood that, although the steps in the flowcharts related to the embodiments described above are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.
Based on the same inventive concept, the embodiment of the application also provides an operation condition adjusting device of the pumped storage power station for realizing the operation condition adjusting method of the pumped storage power station. The implementation scheme of the device for solving the problems is similar to the implementation scheme recorded in the method, so the specific limitation in the embodiment of the operation condition adjusting device of one or more pumped storage power stations provided below can be referred to the limitation of the operation condition adjusting method of the pumped storage power station hereinabove, and the description is omitted here.
In one embodiment, as shown in FIG. 4, there is provided an operating condition adjustment device for a pumped-storage power station, comprising: a water storage parameter acquisition module 200, a remaining sustainable time determination module 400, and an operating condition adjustment module 600, wherein:
the water storage parameter acquisition module 200 is used for acquiring water storage parameters of an upper reservoir and a lower reservoir in the pumped storage power station, wherein the water storage parameters comprise upper and lower limit values of water storage level and storage capacity;
the remaining sustainable time determining module 400 is configured to determine a remaining sustainable time under a current operation condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter;
The operation condition adjusting module 600 is configured to adjust an operation condition of the pumped-storage power station based on a remaining sustainable time under a current operation condition and the number of operation units of the pumped-storage power station.
In one embodiment, the operation condition adjustment module 600 is further configured to adjust the operation condition of the pumped-storage power station according to the remaining sustainable power generation time under the power generation condition and the number of operation units of the pumped-storage power station under the power generation condition if the current operation condition is under the power generation condition; and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition.
In one embodiment, the operation condition adjustment module 600 is further configured to adjust an operation condition of the pumped-storage power station according to a ratio of the remaining sustainable power generation time under the power generation condition to the number of operation units of the pumped-storage power station under the power generation condition and a preset ratio threshold if the current operation condition is under the power generation condition; and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the ratio of the remaining sustainable pumping time to the number of operation units of the pumping energy storage power station in the pumping condition and a preset ratio threshold.
In one embodiment, the remaining sustainable time determining module 400 is further configured to obtain the upper reservoir real-time water level and the lower reservoir real-time water level; obtaining the real-time reservoir capacity of the upper reservoir and the real-time reservoir capacity of the lower reservoir according to the real-time water level of the upper reservoir and the real-time water level of the lower reservoir; and determining the residual sustainable time under the current operation working condition according to the upper reservoir water storage parameter, the lower reservoir water storage parameter, the upper reservoir real-time storage capacity and the lower reservoir real-time storage capacity.
In one embodiment, the operation condition adjusting device of the pumped storage power station further comprises a water quantity adjusting module, which is used for acquiring the current day of power generation water quantity and the current day of water pumping water quantity; and regulating the power generation water quantity and the water pumping quantity of the pumped storage power station according to the power generation water quantity and the water pumping water quantity of the same day.
In one embodiment, the operation condition adjusting device of the pumped storage power station further comprises an operation efficiency obtaining module, wherein the operation efficiency obtaining module is used for obtaining a historical reservoir capacity curve of a target reservoir, and the target reservoir is an upper reservoir or a lower reservoir; analyzing the historical storage capacity curve to obtain the slope of the historical storage capacity curve; obtaining accumulated power generation water quantity and accumulated pumping water quantity according to the reservoir capacity of the historical reservoir capacity curve at the corresponding moment when the slope sign changes; and obtaining the operation efficiency of the pumped storage power station according to the accumulated power generation water quantity and the accumulated pumped water quantity.
All or part of each module in the operation condition adjusting device of the pumped storage power station can be realized by software, hardware and a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
In one embodiment, a computer device is provided, which may be a server, the internal structure of which may be as shown in fig. 5. The computer device includes a processor, a memory, and a network interface connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer device is for storing the impoundment parameter data. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program, when executed by the processor, implements a method for operating condition adjustment of a pumped storage power plant.
It will be appreciated by those skilled in the art that the structure shown in FIG. 5 is merely a block diagram of some of the structures associated with the present inventive arrangements and is not limiting of the computer device to which the present inventive arrangements may be applied, and that a particular computer device may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.
In one embodiment, a computer device is provided comprising a memory and a processor, the memory having stored therein a computer program, the processor when executing the computer program performing the steps of:
acquiring water storage parameters of an upper reservoir and a lower reservoir in a pumped storage power station, wherein the water storage parameters comprise storage capacities corresponding to upper and lower limit values of a water storage level; determining the remaining sustainable time under the current operation working condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter; and adjusting the operation condition of the pumped storage power station based on the remaining sustainable time under the current operation condition and the number of the operation units of the pumped storage power station.
In one embodiment, the processor when executing the computer program further performs the steps of:
if the current operation condition is in the power generation condition, adjusting the operation condition of the pumped storage power station according to the remaining sustainable power generation time under the power generation condition and the number of operation units of the pumped storage power station in the power generation condition; and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition.
In one embodiment, the processor when executing the computer program further performs the steps of:
if the current operation condition is in the power generation condition, the operation condition of the pumped storage power station is regulated according to the ratio of the remaining sustainable power generation time under the power generation condition to the number of operation units in the power generation condition of the pumped storage power station and a preset ratio threshold; if the current operation condition is in the pumping condition, according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition, adjusting the operation condition of the pumping energy storage power station comprises: and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the ratio of the remaining sustainable pumping time to the number of operation units of the pumping energy storage power station in the pumping condition and a preset ratio threshold.
In one embodiment, the processor when executing the computer program further performs the steps of:
acquiring the real-time water level of an upper reservoir and the real-time water level of a lower reservoir; obtaining the real-time reservoir capacity of the upper reservoir and the real-time reservoir capacity of the lower reservoir according to the real-time water level of the upper reservoir and the real-time water level of the lower reservoir; and determining the residual sustainable time under the current operation working condition according to the upper reservoir water storage parameter, the lower reservoir water storage parameter, the upper reservoir real-time storage capacity and the lower reservoir real-time storage capacity.
In one embodiment, the processor when executing the computer program further performs the steps of:
acquiring the current day power generation water quantity and the current day water pumping water quantity; and regulating the power generation water quantity and the water pumping quantity of the pumped storage power station according to the power generation water quantity and the water pumping water quantity of the same day.
In one embodiment, the processor when executing the computer program further performs the steps of:
acquiring a historical reservoir capacity curve of a target reservoir, wherein the target reservoir is an upper reservoir or a lower reservoir; analyzing the historical storage capacity curve to obtain the slope of the historical storage capacity curve; obtaining accumulated power generation water quantity and accumulated pumping water quantity according to the reservoir capacity of the historical reservoir capacity curve at the corresponding moment when the slope sign changes; and obtaining the operation efficiency of the pumped storage power station according to the accumulated power generation water quantity and the accumulated pumped water quantity.
In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring water storage parameters of an upper reservoir and a lower reservoir in a pumped storage power station, wherein the water storage parameters comprise storage capacities corresponding to upper and lower limit values of a water storage level; determining the remaining sustainable time under the current operation working condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter; and adjusting the operation condition of the pumped storage power station based on the remaining sustainable time under the current operation condition and the number of the operation units of the pumped storage power station.
In one embodiment, the computer program when executed by the processor further performs the steps of:
if the current operation condition is in the power generation condition, adjusting the operation condition of the pumped storage power station according to the remaining sustainable power generation time under the power generation condition and the number of operation units of the pumped storage power station in the power generation condition; and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition.
In one embodiment, the computer program when executed by the processor further performs the steps of:
if the current operation condition is in the power generation condition, the operation condition of the pumped storage power station is regulated according to the ratio of the remaining sustainable power generation time under the power generation condition to the number of operation units in the power generation condition of the pumped storage power station and a preset ratio threshold; if the current operation condition is in the pumping condition, according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition, adjusting the operation condition of the pumping energy storage power station comprises: and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the ratio of the remaining sustainable pumping time to the number of operation units of the pumping energy storage power station in the pumping condition and a preset ratio threshold.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring the real-time water level of an upper reservoir and the real-time water level of a lower reservoir; obtaining the real-time reservoir capacity of the upper reservoir and the real-time reservoir capacity of the lower reservoir according to the real-time water level of the upper reservoir and the real-time water level of the lower reservoir; and determining the residual sustainable time under the current operation working condition according to the upper reservoir water storage parameter, the lower reservoir water storage parameter, the upper reservoir real-time storage capacity and the lower reservoir real-time storage capacity.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring the current day power generation water quantity and the current day water pumping water quantity; and regulating the power generation water quantity and the water pumping quantity of the pumped storage power station according to the power generation water quantity and the water pumping water quantity of the same day.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring a historical reservoir capacity curve of a target reservoir, wherein the target reservoir is an upper reservoir or a lower reservoir; analyzing the historical storage capacity curve to obtain the slope of the historical storage capacity curve; obtaining accumulated power generation water quantity and accumulated pumping water quantity according to the reservoir capacity of the historical reservoir capacity curve at the corresponding moment when the slope sign changes; and obtaining the operation efficiency of the pumped storage power station according to the accumulated power generation water quantity and the accumulated pumped water quantity.
In one embodiment, a computer program product is provided comprising a computer program which, when executed by a processor, performs the steps of:
acquiring water storage parameters of an upper reservoir and a lower reservoir in a pumped storage power station, wherein the water storage parameters comprise storage capacities corresponding to upper and lower limit values of a water storage level; determining the remaining sustainable time under the current operation working condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter; and adjusting the operation condition of the pumped storage power station based on the remaining sustainable time under the current operation condition and the number of the operation units of the pumped storage power station.
In one embodiment, the computer program when executed by the processor further performs the steps of:
if the current operation condition is in the power generation condition, adjusting the operation condition of the pumped storage power station according to the remaining sustainable power generation time under the power generation condition and the number of operation units of the pumped storage power station in the power generation condition; and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition.
In one embodiment, the computer program when executed by the processor further performs the steps of:
if the current operation condition is in the power generation condition, the operation condition of the pumped storage power station is regulated according to the ratio of the remaining sustainable power generation time under the power generation condition to the number of operation units in the power generation condition of the pumped storage power station and a preset ratio threshold; if the current operation condition is in the pumping condition, according to the remaining sustainable pumping time under the pumping condition and the number of operation units of the pumping energy storage power station in the pumping condition, adjusting the operation condition of the pumping energy storage power station comprises: and if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the ratio of the remaining sustainable pumping time to the number of operation units of the pumping energy storage power station in the pumping condition and a preset ratio threshold.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring the real-time water level of an upper reservoir and the real-time water level of a lower reservoir; obtaining the real-time reservoir capacity of the upper reservoir and the real-time reservoir capacity of the lower reservoir according to the real-time water level of the upper reservoir and the real-time water level of the lower reservoir; and determining the residual sustainable time under the current operation working condition according to the upper reservoir water storage parameter, the lower reservoir water storage parameter, the upper reservoir real-time storage capacity and the lower reservoir real-time storage capacity.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring the current day power generation water quantity and the current day water pumping water quantity; and regulating the power generation water quantity and the water pumping quantity of the pumped storage power station according to the power generation water quantity and the water pumping water quantity of the same day.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring a historical reservoir capacity curve of a target reservoir, wherein the target reservoir is an upper reservoir or a lower reservoir; analyzing the historical storage capacity curve to obtain the slope of the historical storage capacity curve; obtaining accumulated power generation water quantity and accumulated pumping water quantity according to the reservoir capacity of the historical reservoir capacity curve at the corresponding moment when the slope sign changes; and obtaining the operation efficiency of the pumped storage power station according to the accumulated power generation water quantity and the accumulated pumped water quantity.
The user information (including but not limited to user equipment information, user personal information, etc.) and the data (including but not limited to data for analysis, stored data, presented data, etc.) related to the present application are information and data authorized by the user or sufficiently authorized by each party.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high density embedded nonvolatile Memory, resistive random access Memory (ReRAM), magnetic random access Memory (Magnetoresistive Random Access Memory, MRAM), ferroelectric Memory (Ferroelectric Random Access Memory, FRAM), phase change Memory (Phase Change Memory, PCM), graphene Memory, and the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as Static Random access memory (Static Random access memory AccessMemory, SRAM) or dynamic Random access memory (Dynamic Random Access Memory, DRAM), and the like. The databases referred to in the embodiments provided herein may include at least one of a relational database and a non-relational database. The non-relational database may include, but is not limited to, a blockchain-based distributed database, and the like. The processor referred to in the embodiments provided in the present application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic unit, a data processing logic unit based on quantum computing, or the like, but is not limited thereto.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of the application should be assessed as that of the appended claims.
Claims (10)
1. A method of operating condition adjustment for a pumped-storage power plant, the method comprising:
acquiring water storage parameters of an upper reservoir and a lower reservoir in a pumped storage power station, wherein the water storage parameters comprise storage capacities corresponding to upper and lower limit values of a water storage level;
determining the remaining sustainable time under the current operation condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter, wherein the determining the remaining sustainable time under the current operation condition comprises the steps of acquiring the real-time water level of the upper reservoir and the real-time water level of the lower reservoir according to the upper reservoir water storage parameter and the lower reservoir water storage parameter; obtaining the real-time reservoir capacity of the upper reservoir and the real-time reservoir capacity of the lower reservoir according to the real-time water level of the upper reservoir and the real-time water level of the lower reservoir; determining the residual sustainable time under the current operation working condition according to the upper reservoir water storage parameter, the lower reservoir water storage parameter, the upper reservoir real-time storage capacity and the lower reservoir real-time storage capacity;
Adjusting the operation condition of the pumped storage power station based on the remaining sustainable time under the current operation condition and the number of operation units of the pumped storage power station, wherein the adjusting the operation condition of the pumped storage power station based on the remaining sustainable time under the current operation condition and the number of operation units of the pumped storage power station comprises adjusting the operation condition of the pumped storage power station according to the ratio of the remaining sustainable power generation time under the power generation condition to the number of operation units of the pumped storage power station under the power generation condition and a preset ratio threshold value if the current operation condition is under the power generation condition; if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the ratio of the remaining sustainable pumping time under the pumping condition to the number of operation units of the pumping energy storage power station in the pumping condition and a preset ratio threshold;
the operation condition adjusting method of the pumped storage power station further comprises the steps of obtaining a historical reservoir capacity curve of a target reservoir, wherein the target reservoir is an upper reservoir or a lower reservoir; analyzing the historical storage capacity curve to obtain a slope of the historical storage capacity curve; obtaining accumulated power generation water quantity and accumulated pumping water quantity according to the reservoir capacity of the historical reservoir capacity curve at the corresponding moment when the slope sign changes; and obtaining the operation efficiency of the pumped storage power station according to the accumulated power generation water quantity and the accumulated pumped water quantity.
2. The method as recited in claim 1, further comprising:
acquiring the current day power generation water quantity and the current day water pumping water quantity;
and regulating the power generation water quantity and the water pumping quantity of the pumped storage power station according to the current day power generation water quantity and the current day water pumping quantity.
3. The method of claim 1, wherein the preset ratio threshold is 1.
4. The method of claim 1, wherein the historical library capacity curve is a daily, weekly, monthly, or yearly library capacity curve.
5. An operating condition adjustment device for a pumped storage power plant, the device comprising:
the water storage parameter acquisition module is used for acquiring water storage parameters of an upper reservoir and a lower reservoir in the pumped storage power station, wherein the water storage parameters comprise upper and lower limit values of water storage level and storage capacity;
the residual sustainable time determining module is used for determining the residual sustainable time under the current operation working condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter, and determining the residual sustainable time under the current operation working condition according to the upper reservoir water storage parameter and the lower reservoir water storage parameter comprises the step of acquiring the real-time water level of the upper reservoir and the real-time water level of the lower reservoir; obtaining the real-time reservoir capacity of the upper reservoir and the real-time reservoir capacity of the lower reservoir according to the real-time water level of the upper reservoir and the real-time water level of the lower reservoir; determining the residual sustainable time under the current operation working condition according to the upper reservoir water storage parameter, the lower reservoir water storage parameter, the upper reservoir real-time storage capacity and the lower reservoir real-time storage capacity;
The operation condition adjusting module is used for adjusting the operation condition of the pumped storage power station based on the remaining sustainable time under the current operation condition and the number of operation units of the pumped storage power station, wherein the operation condition adjusting of the pumped storage power station comprises the step of adjusting the operation condition of the pumped storage power station according to the ratio of the remaining sustainable power generation time under the power generation condition to the number of operation units of the pumped storage power station under the power generation condition and a preset ratio threshold value if the current operation condition is under the power generation condition; if the current operation condition is in the pumping condition, adjusting the operation condition of the pumping energy storage power station according to the ratio of the remaining sustainable pumping time under the pumping condition to the number of operation units of the pumping energy storage power station in the pumping condition and a preset ratio threshold; the operation condition adjusting method of the pumped storage power station further comprises the steps of obtaining a historical reservoir capacity curve of a target reservoir, wherein the target reservoir is an upper reservoir or a lower reservoir; analyzing the historical storage capacity curve to obtain a slope of the historical storage capacity curve; obtaining accumulated power generation water quantity and accumulated pumping water quantity according to the reservoir capacity of the historical reservoir capacity curve at the corresponding moment when the slope sign changes; and obtaining the operation efficiency of the pumped storage power station according to the accumulated power generation water quantity and the accumulated pumped water quantity.
6. The device according to claim 5, further comprising a water quantity adjusting module for obtaining the current day power generation water quantity and the current day water pumping water quantity; and regulating the power generation water quantity and the water pumping quantity of the pumped storage power station according to the current day power generation water quantity and the current day water pumping quantity.
7. The apparatus of claim 5, wherein the preset ratio threshold is 1.
8. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 4 when the computer program is executed.
9. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 4.
10. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the steps of the method of any of claims 1 to 4.
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