CN112508372A - Method, device and equipment for determining operation strategy of energy storage water tank and storage medium - Google Patents
Method, device and equipment for determining operation strategy of energy storage water tank and storage medium Download PDFInfo
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Abstract
The invention discloses a method, a device, equipment and a storage medium for determining an operation strategy of an energy storage water tank. The method comprises the following steps: determining the total energy storage energy of the energy storage water tank according to the volume of the energy storage water tank; dividing one day into at least two time periods according to the unit price of electricity; determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply power of the energy storage water tank, the maximum power storage power of the energy storage water tank, the maximum power supply power of target equipment, the time-by-time load of a target day and the total energy storage energy of the energy storage water tank; the operation of the energy storage water tank is controlled according to the target daily operation strategy, and the technical scheme of the invention can effectively solve the problem of determining the operation strategy of the energy storage water tank of the energy station, greatly simplify the difficulty of comparing and determining the scheme of the energy storage water tank installation at the design stage and improve the accuracy of scheme design.
Description
Technical Field
The embodiment of the invention relates to the technical field of distributed energy utilization, in particular to a method, a device, equipment and a storage medium for determining an operation strategy of an energy storage water tank.
Background
The distributed energy multi-union project is a national encouragement industry, the development of the distributed energy multi-union project is accelerated, the power structure can be optimized and adjusted, energy conservation and emission reduction are promoted, and the local economic development is promoted.
The distributed energy system is a second generation energy system taking benefit scale as a rule and a distributed energy system taking natural gas as fuel, realizes cogeneration of heat, electricity and cold, and can greatly improve energy conversion efficiency and reduce energy transmission loss. With the rapid development of economic society of China, the rapid promotion of urbanization, the formation of urban mass spatial patterns serving as main forms of cities and towns, the improvement of living standard of people, the deep and comprehensive realization of ideas for building resource-saving and environment-friendly societies, and the rapid development of a distributed energy system.
The distributed energy station often utilizes local power price policy, stores energy in a time period with low power price, and releases the stored energy to supply energy to the outside in a time period with high power price, so that energy supply cost is reduced.
Disclosure of Invention
The embodiment of the invention provides a method, a device, equipment and a storage medium for determining an operation strategy of an energy storage water tank, aiming at solving the problem that the determination of the operation strategy of the energy storage water tank of a traditional distributed energy station excessively depends on personal experience of operators.
In a first aspect, an embodiment of the present invention provides a method for determining an operation strategy of an energy storage water tank, including:
determining the total energy storage energy of the energy storage water tank according to the volume of the energy storage water tank;
dividing one day into at least two time periods according to the unit price of electricity;
determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply of the energy storage water tank, the maximum power storage of the energy storage water tank, the maximum power supply of target equipment, the time-by-time load of a target day and the total energy storage energy of the energy storage water tank;
and controlling the energy storage water tank to operate according to the target daily operation strategy.
In a second aspect, an embodiment of the present invention further provides an apparatus for determining an operation strategy of an energy storage water tank, where the apparatus includes:
the first determining module is used for determining the total energy storage energy of the energy storage water tank according to the volume of the energy storage water tank;
the dividing module is used for dividing one day into at least two time periods according to the unit price of electricity consumption;
the second determining module is used for determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply power of the energy storage water tank, the maximum energy storage power of the energy storage water tank, the maximum power supply power of target equipment, the hourly load of a target day and the total energy storage energy of the energy storage water tank;
and the control module is used for controlling the operation of the energy storage water tank according to the target daily operation strategy.
In a third aspect, an embodiment of the present invention further provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the method according to any one of the embodiments of the present invention.
In a fourth aspect, the present invention further provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the method according to any one of the embodiments of the present invention.
The embodiment of the invention determines the total energy storage energy of the energy storage water tank according to the volume of the energy storage water tank; dividing one day into at least two time periods according to the unit price of electricity; determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply of the energy storage water tank, the maximum power storage of the energy storage water tank, the maximum power supply of target equipment, the time-by-time load of a target day and the total energy storage energy of the energy storage water tank; the method is applied to a distributed energy station project design stage, the problem of determining the operation strategy of the energy storage water tank of the energy station can be effectively solved, the difficulty in selecting and determining the loading scheme of the energy storage water tank in the design stage is greatly simplified, and the accuracy of scheme design is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a flowchart of a method for determining an operation strategy of an energy storage water tank according to a first embodiment of the present invention;
fig. 1a is a flow chart of another method for determining an operation strategy of an energy storage water tank in the first embodiment of the invention;
fig. 2 is a schematic structural diagram of an energy storage water tank operation strategy determination device in the second embodiment of the invention;
fig. 3 is a schematic structural diagram of a computer device in a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Example one
Fig. 1 is a flowchart of a method for determining an operation strategy of an energy storage tank according to an embodiment of the present invention, where this embodiment is applicable to a situation where an operation strategy of an energy storage tank is determined, and the method may be executed by an apparatus for determining an operation strategy of an energy storage tank according to an embodiment of the present invention, where the apparatus may be implemented in a software and/or hardware manner, as shown in fig. 1, the method specifically includes the following steps:
and S110, determining the total energy storage energy of the energy storage water tank according to the volume of the energy storage water tank.
Illustratively, the volume of the energy storage water tank is obtained in advance, and the total energy storage energy of the energy storage water tank is determined according to the volume of the energy storage water tank.
And S120, dividing one day into at least two time periods according to the unit price of electricity.
The electricity consumption unit price may be a daily electricity consumption unit price per hour, and for example, the electricity price at 0 point is 0.239 yuan/kwh, the electricity price at 1 point is 0.239 yuan/kwh, the electricity price at 2 points is 0.239 yuan/kwh, the electricity price at 3 points is 0.239 yuan/kwh, and the electricity price at … 23 points is 0.239 yuan/kwh.
For example, the dividing of one day into at least two periods according to the unit price of electricity may be, the dividing of one day into a valley period and a non-valley period according to the unit price of electricity; the day may be divided into a valley period, a normal period, and a peak period according to the unit price of electricity. The embodiments of the present invention are not limited in this regard.
S130, determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply power of the energy storage water tank, the maximum energy storage power of the energy storage water tank, the maximum power supply power of target equipment, the hourly load of a target day and the total energy storage energy of the energy storage water tank.
The maximum power supply of the target device may be the maximum power supply of at least one air conditioner in the building or the maximum power supply of at least one centrifugal water chiller in the building, and the embodiment of the present invention is not limited to this, and the maximum power supply of the target device is related to the number of devices included in the target device, for example, if the target device includes two centrifugal water chillers, the maximum power supply of the target device is equal to the sum of the maximum power supply of the two centrifugal water chillers.
The acquisition mode of the hourly load of the target day can be that the hourly load of 8760 hours in the whole year is simulated based on building cold and heat energy consumption analysis software, and the hourly load of the target day meeting preset conditions is selected from the hourly load.
Wherein the hourly load for the target day comprises: a target day's hourly cooling load and/or a target day's hourly heating load.
And S140, controlling the energy storage water tank to operate according to the target daily operation strategy.
Optionally, dividing a day into at least two time periods according to the unit price of electricity, including:
acquiring the electricity consumption unit price of each hour in a day;
a day is divided into a valley period, a flat period and a peak period according to the electricity consumption unit price of each hour, wherein the electricity consumption unit price of the peak period is greater than that of the flat period, and the electricity consumption unit price of the flat period is greater than that of the valley period.
Optionally, determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply of the energy storage water tank, the maximum power storage of the energy storage water tank, the maximum power supply of a target device, the hourly load of a target day, and the total energy storage energy of the energy storage water tank, and includes:
acquiring the maximum power supply power of the energy storage water tank and the maximum energy storage power of the energy storage water tank;
acquiring the hourly load of a target day;
determining the energy storage power of the energy storage water tank in each hour of a first target time period according to the time-by-time load of the target day, the first target time period, the energy storage total energy of the energy storage water tank, the energy supply maximum power of the energy storage water tank and the energy storage maximum power of the energy storage water tank, wherein the first target time period comprises: a valley period, or a valley period and a flat period;
determining the energy supply power of the energy storage water tank in each hour of a second target time period according to the hourly load of the target day, the second target time period, the energy supply maximum power of the target equipment and the energy storage total energy of the energy storage water tank, wherein the second target time period comprises: peak periods, or peak periods and flat periods.
For example, the energy storage power of the energy storage water tank of each hour corresponding to the valley time period in the first target time period is determined in advance according to the hourly load of the target day and the energy storage total energy of the energy storage water tank, and if the energy storage total energy of the energy storage water tank is still remained, the energy storage power of the energy storage water tank of each hour corresponding to the ordinary time period in the first target time period is determined according to the hourly load of the target day and the energy storage total energy of the energy storage water tank. For example, if the total energy storage energy of the energy storage water tank is 16000kw, the valley period includes 8 hours (0 point, 1 point, 2 points, 3 points, 4 points, 5 points, 6 points, and 23 points), and the maximum energy storage power of the energy storage water tank is 2000kw, the energy storage power of the energy storage water tank at 0 point is 2000kw, the energy storage power of the energy storage water tank at 1 point is 2000kw, the energy storage power of the energy storage water tank at 2 points is 2000kw, the energy storage power of the energy storage water tank at 3 points is 2000kw, the energy storage power of the energy storage water tank at 4 points is 2000kw, the energy storage power of the energy storage water tank at 5 points is 2000kw, the energy storage power of the energy storage water tank at 6 points is 2000kw, and the energy storage power of the energy storage water tank at 23 points is 2000 kw.
For example, if the total energy storage energy of the energy storage water tank is 18000kw, the valley period includes 8 hours (0 point, 1 point, 2 points, 3 points, 4 points, 5 points, 6 points, and 23 points), and the maximum energy storage power of the energy storage water tank is 2000kw, the energy storage power of the energy storage water tank at 0 point is 2000kw, the energy storage power of the energy storage water tank at 1 point is 2000kw, the energy storage power of the energy storage water tank at 2 points is 2000kw, the energy storage power of the energy storage water tank at 3 points is 2000kw, the energy storage power of the energy storage water tank at 4 points is 2000kw, the energy storage power of the energy storage water tank at 5 points is 2000kw, the energy storage power of the energy storage water tank at 6 points is 2000kw, the energy storage power of the energy storage water tank at 23 points is 2000kw, and 2000kw remains, if the normal period includes 1 hour (12 points), the energy storage power of the energy storage water tank at 12 points is 2000kw, and if the normal period includes 8 hours, the average time of 2000kw is divided into 8, or selecting any hour and determining the energy storage power of the energy storage water tank in the selected hour to be 2000 kw.
Optionally, the obtaining the hourly load of the target day includes:
and simulating the hourly load of 8760 hours all year round based on the building cold and hot energy consumption analysis software, and selecting the hourly load of the target day meeting the preset conditions from the hourly load.
Optionally, the obtaining the hourly load of the target day includes:
the hourly load for 100% of the target day, the hourly load for 75% of the target day, the hourly load for 50% of the target day, and the hourly load for 25% of the target day are obtained.
Optionally, determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply of the energy storage water tank, the maximum power storage of the energy storage water tank, the maximum power supply of a target device, the hourly load of a target day, and the total energy storage energy of the energy storage water tank includes:
and determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply of the energy storage water tank, the maximum power storage of the energy storage water tank, the maximum power supply of target equipment, 100% of the hourly load of the target day, 75% of the hourly load of the target day, 50% of the hourly load of the target day, 25% of the hourly load of the target day and the total energy storage energy of the energy storage water tank.
The technical scheme adopted by the embodiment of the invention comprises the following steps: determining an operation strategy of an energy storage water tank of the distributed energy station: acquiring the electricity consumption unit price condition of the energy station 24 hours a day, and dividing the electricity consumption unit price condition into peak time periods, flat time periods and valley time periods according to different prices; determining an energy storage time period and an energy supply time period of the energy storage water tank; determining the maximum power supply (kW) and the maximum power storage (kW) of the energy storage water tank; inputting hour-by-hour cold and heat demand power (kW) and a year-around total hour ratio (%) of a target day of 100% load of an energy station, hour-by-hour cold and heat demand power (kW) and a year-around total hour ratio (%) of a target day of 75% load, hour-by-hour cold and heat demand power (kW) and a year-around total hour ratio (%) of a target day of 50% load, hour-by-hour cold and heat demand power (kW) and a year-around total hour ratio (%) of a target day of 25% load; the water tank stores energy in a set energy storage time period, the energy utilization requirement of a peak time period is met preferentially in a set energy supply time period, and then the energy utilization requirement of the peak time period is in a normal time period, and the maximum power does not exceed the set energy storage maximum power or energy supply maximum power; and finally verifying whether the total energy storage energy (kWh) is consistent with the total energy supply energy (kWh) or not, and judging the calculation accuracy.
Alternatively, as shown in fig. 1a, the method of the present invention comprises the following specific steps:
(1) acquiring the electricity consumption unit price condition of the energy station 24 hours a day, and dividing the electricity consumption unit price condition into peak time periods, flat time periods and valley time periods according to different prices;
(2) determining the energy storage time period and the energy supply time period of the energy storage water tank according to the electricity consumption unit price condition in the step (1) and on the principle of low-price energy storage and high-price energy supply;
(3) determining the maximum power supply (kW) and the maximum power storage (kW) of the energy storage water tank;
(4) determining hourly cold and heat demand power (kW) and annual total hour ratio (%) of a target daily 100% load of an energy station, hourly cold and heat demand power (kW) and annual total hour ratio (%) of a target daily 75% load, hourly cold and heat demand power (kW) and annual total hour ratio (%) of a target daily 50% load, hourly cold and heat demand power (kW) and annual total hour ratio (%) of a target daily 25% load, and annual total hour ratio (%);
(5) according to the energy storage time period and the energy supply time period of the energy storage water tank determined in the step (2), the water tank stores energy in the set energy storage time period, the energy utilization requirement of the peak time period is preferentially met in the set energy supply time period, then the energy utilization requirement of the peak time period is met in the normal time period, and the maximum power does not exceed the set energy storage maximum power or energy supply maximum power in the step (3);
(6) verifying whether the total energy storage energy (kWh) is consistent with the total energy supply energy (kWh) according to the calculation result of the step (5), and judging the calculation accuracy;
optionally, in step (1) of the present invention, the unit price of electricity consumption includes: according to the electricity selling condition of the local power grid, the electricity consumption unit prices are different in different time periods, and the time periods are generally divided into peak time periods, flat time periods, valley time periods and the like.
Optionally, in step (2) of the present invention, in general, the peak section has the highest electricity consumption unit price, the next flat section and the lowest valley section are used, the valley section is used for energy storage by default, and other time sections are used for energy supply.
Optionally, in the step (4) of the present invention, in a pre-design stage, a time-by-time cooling load (kW) and a time-by-time heating load (kW) of 8760 hours a year are simulated by generally using professional building cooling and heating energy consumption analysis software, from which a 24-hour time-by-time cooling load (kW) and a heating load (kW) of a larger day are selected as a time-by-time cooling load (kW) and a time-by-time heating load (kW) of 100% of a target day, and a maximum value of the 24-hour time-by-time cooling load (kW) and the time-by-time heating load (kW) is taken as a design cooling load (kW) and a design heating load (kW) of 100% of the target day; on the basis, the hourly cooling load (kW) and the hourly heat load (kW) and the design cooling load (kW) and the design heat load (kW) of 100% of the target day are scaled down to obtain a hourly cooling load (kW) and a hourly heat load (kW) and a design cooling load (kW) and a design heat load (kW) of 75% of the target day, a hourly cooling load (kW) and a hourly heat load (kW) and a design cooling load (kW) and a design heat load (kW) of 50% of the target day, a hourly cooling load (kW) and a hourly heat load (kW) and a design cooling load (kW) and a design heat load (kW) of 25% of the target day; in the hourly cooling load (kW) and the thermal load (kW) of 8760 hours a year in the software simulation, the hourly occupancy of 75% or more of the design cooling load (kW) and the design thermal load (kW) is counted as a 100% target hourly occupancy (%), the hourly occupancy of 50% or more and less than 75% of the design cooling load (kW) and the design thermal load (kW) is counted as a 75% target hourly occupancy (%), the hourly occupancy of 25% or more and less than 50% of the design cooling load (kW) and the design thermal load (kW) is counted as a 50% target hourly occupancy (%), the hourly occupancy of less than 25% of the design cooling load (kW) and the design thermal load (kW) is counted as a 25% target hourly occupancy (%), and the entire annual hourly occupancy is counted as a 25% target daily hourly occupancy (%).
Optionally, in step (6) of the present invention, the deviation between the total energy stored (kWh) and the total energy supplied (kWh) is within 5%, which is considered to be correct.
Furthermore, it should be noted that all equivalent changes or simple changes of the structure, the characteristics and the principle according to the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
In a specific example, the 24-hour hourly electricity prices and time period divisions of a distributed energy resource station are shown in table 1:
TABLE 1
According to the electricity consumption unit price condition in the step, the energy storage time period of the energy storage water tank is determined to be a valley time period and the energy supply time period is determined to be a peak and average time period on the basis of low-price energy storage and high-price energy supply.
The primary equipment parameters of a certain distributed energy station are preliminarily determined as shown in table 2:
TABLE 2
| Serial number | Type of device | Quantity (table) | Main parameters of the equipment |
| 1 | Centrifugal water chiller | 2 | 4219kW (Cold) |
| 2 | Energy storage water tank | 1 | 3000m3 |
The distributed energy station only supplies cold, the maximum cold accumulation power of the energy storage water tank is 2000kW, and the maximum cold supply power is 2000 kW.
The main parameters of the equipment are the parameters of 1 piece of equipment.
The hour-by-hour hot and cold demand power (kW) and the total hour percentage (%) of the target day 100% load of the energy station, the hour-by-hour hot and cold demand power (kW) and the total hour percentage (%) of the target day 75% load, the hour-by-hour hot and cold demand power (kW) and the total hour percentage (%) of the target day 50% load, the hour-by-hour hot and cold demand power (kW) and the total hour percentage (%) of the target day 25% load are shown in table 3:
TABLE 3
Through statistics, the target day 100% load accounts for 8.12%, the target day 75% load accounts for 21.88%, the target day 50% load accounts for 30.97%, and the target day 25% load accounts for 39.03%.
According to the energy storage time period and the energy supply time period of the energy storage water tank determined in the step, the water tank stores energy in the set energy storage time period, the set energy supply time period preferably meets the energy utilization requirement of the peak time period, then the energy storage time period is the ordinary time period, and the maximum power does not exceed the set energy storage maximum power or the set energy supply maximum power in the step, so that the cooling and cold storage powers of the time-by-time energy storage water tank are shown in a table 4:
TABLE 4
And verifying that the error between the total energy storage (kWh) and the total energy supply (kWh) is within an allowable range according to the calculation result of the step, and ensuring that the calculation result is correct.
Optionally, the energy supply power of the energy storage water tank per hour of the second target time period is determined according to the hourly cooling load of the target day and/or the hourly heating load of the target day, the second target time period, the maximum energy supply power of the target device, and the total energy storage energy of the energy storage water tank, where the second target time period includes: peak periods, or peak periods and plateau periods, comprising:
and if the hourly load of the target day with the target time in the second target time interval is greater than the maximum power supply power of the target equipment, and the difference value between the hourly load of the target day and the maximum function power of the target equipment is less than or equal to the maximum power supply power of the energy storage water tank, determining the difference value between the hourly load of the target day and the maximum function power of the target equipment as the power supply power of the energy storage water tank at the target time.
Illustratively, as shown in table 3, the 100% target hourly cooling load (kW) corresponding to 15, 16, and 17 points is greater than the maximum cooling power 4219 × 2 ═ 8438kW of the centrifugal chiller, so that the 15, 16, and 17 points are completed, that is, the 15 point 1994.71, the 16 point 1200.126, and the 17 point 1962, if the 100% target hourly cooling load (kW) corresponding to 17 points is 12400, the remaining energy storage capacity of the energy storage water tank is determined due to the volume of the energy storage water tank being 300, and the remaining energy storage capacity of the energy storage water tank is divided into peak periods.
And if the hourly load of the target day with the target time in the second target time interval is greater than the maximum power supply power of the target equipment, and the difference value between the hourly load of the target day and the maximum functional power of the target equipment is greater than the maximum power supply power of the energy storage water tank, determining the maximum power supply power of the energy storage water tank as the power supply power of the energy storage water tank at the target time.
Illustratively, if the 100% target time-by-time cooling load (kW) corresponding to 17 points is 12400 larger than the maximum cooling power 4219 × 2 of the centrifugal chiller, 8438kW, the 17 points need to be supplemented first, and since 12400 + 8438>2000, the 17 points are set to 2000.
Obtaining residual energy supply power, wherein the residual energy supply power is equal to the difference value between the total energy storage energy of the energy storage water tank and the energy supply power of the energy storage water tank at the target time;
and determining the energy supply power of the energy storage water tank in the remaining time of the second target time period according to the remaining power, wherein the remaining time is the time of the second target time period except the target time.
Illustratively, as shown in table 4, 25% of the target days are hourly: since there is a remainder after the peak period is allocated, the remainder is allocated to the flat period, which is 227.43kW per hour.
According to the technical scheme of the embodiment, the total energy storage energy of the energy storage water tank is determined according to the volume of the energy storage water tank; dividing one day into at least two time periods according to the unit price of electricity; determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply of the energy storage water tank, the maximum power storage of the energy storage water tank, the maximum power supply of target equipment, the time-by-time load of a target day and the total energy storage energy of the energy storage water tank; the method is applied to a distributed energy station project design stage, the problem of determining the operation strategy of the energy storage water tank of the energy station can be effectively solved, the difficulty in selecting and determining the loading scheme of the energy storage water tank in the design stage is greatly simplified, and the accuracy of scheme design is improved.
Example two
Fig. 2 is a schematic structural diagram of an energy storage water tank operation strategy determination device according to a second embodiment of the present invention. The embodiment may be applicable to the situation of determining the operation strategy of the energy storage water tank, the apparatus may be implemented in a software and/or hardware manner, and the apparatus may be integrated in any device that provides the function of determining the operation strategy of the energy storage water tank, as shown in fig. 2, where the apparatus for determining the operation strategy of the energy storage water tank specifically includes: a first determination module 210, a partitioning module 220, a second determination module 230, and a control module 240.
The first determining module 210 is configured to determine total energy storage energy of the energy storage water tank according to the volume of the energy storage water tank;
a dividing module 220 for dividing one day into at least two time periods according to the unit price of electricity consumption;
a second determining module 230, configured to determine a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply of the energy storage water tank, the maximum power storage power of the energy storage water tank, the maximum power supply of a target device, a time-by-time load of a target day, and the total energy storage energy of the energy storage water tank;
and the control module 240 is used for controlling the operation of the energy storage water tank according to the target daily operation strategy.
The product can execute the method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
According to the technical scheme of the embodiment, the total energy storage energy of the energy storage water tank is determined according to the volume of the energy storage water tank; dividing one day into at least two time periods according to the unit price of electricity; determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply of the energy storage water tank, the maximum power storage of the energy storage water tank, the maximum power supply of target equipment, the time-by-time load of a target day and the total energy storage energy of the energy storage water tank; the method is applied to a distributed energy station project design stage, the problem of determining the operation strategy of the energy storage water tank of the energy station can be effectively solved, the difficulty in selecting and determining the loading scheme of the energy storage water tank in the design stage is greatly simplified, and the accuracy of scheme design is improved.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a computer device in a third embodiment of the present invention. FIG. 3 illustrates a block diagram of an exemplary computer device 12 suitable for use in implementing embodiments of the present invention. The computer device 12 shown in FIG. 3 is only an example and should not impose any limitation on the scope of use or functionality of embodiments of the present invention.
As shown in FIG. 3, computer device 12 is in the form of a general purpose computing device. The components of computer device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
The system Memory 28 may include computer system readable media in the form of volatile Memory, such as Random Access Memory (RAM) 30 and/or cache Memory 32. Computer device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 3, and commonly referred to as a "hard drive"). Although not shown in FIG. 3, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (a Compact disk-Read Only Memory (CD-ROM)), Digital Video disk (DVD-ROM), or other optical media may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. Memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of the described embodiments of the invention.
The processing unit 16 executes various functional applications and data processing by executing programs stored in the system memory 28, for example, implementing the method for determining the operation strategy of the energy storage water tank provided by the embodiment of the present invention:
determining the total energy storage energy of the energy storage water tank according to the volume of the energy storage water tank;
dividing one day into at least two time periods according to the unit price of electricity;
determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply of the energy storage water tank, the maximum power storage of the energy storage water tank, the maximum power supply of target equipment, the time-by-time load of a target day and the total energy storage energy of the energy storage water tank;
and controlling the energy storage water tank to operate according to the target daily operation strategy.
Example four
A fourth embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for determining an operation strategy of an energy storage tank, according to the embodiments of the present invention:
determining the total energy storage energy of the energy storage water tank according to the volume of the energy storage water tank;
dividing one day into at least two time periods according to the unit price of electricity;
determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply of the energy storage water tank, the maximum power storage of the energy storage water tank, the maximum power supply of target equipment, the time-by-time load of a target day and the total energy storage energy of the energy storage water tank;
and controlling the energy storage water tank to operate according to the target daily operation strategy.
Any combination of one or more computer-readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
In some embodiments, the clients, servers may communicate using any currently known or future developed network Protocol, such as HTTP (HyperText Transfer Protocol), and may interconnect with any form or medium of digital data communication (e.g., a communications network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the Internet (e.g., the Internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed network.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: receiving a source text input by a user, and translating the source text into a target text corresponding to a target language; acquiring historical correction behaviors of the user; and correcting the target text according to the historical correction behaviors to obtain a translation result, and pushing the translation result to a client where the user is located.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. Where the name of an element does not in some cases constitute a limitation on the element itself.
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), systems on a chip (SOCs), Complex Programmable Logic Devices (CPLDs), and the like.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A method for determining an operation strategy of an energy storage water tank is characterized by comprising the following steps:
determining the total energy storage energy of the energy storage water tank according to the volume of the energy storage water tank;
dividing one day into at least two time periods according to the unit price of electricity;
determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply power of the energy storage water tank, the maximum power storage power of the energy storage water tank, the maximum power supply power of target equipment, the time-by-time load of a target day and the total energy storage energy of the energy storage water tank;
and controlling the energy storage water tank to operate according to the target daily operation strategy.
2. The method of claim 1, wherein dividing a day into at least two time periods according to electricity usage unit price comprises:
acquiring the electricity consumption unit price of each hour in a day;
a day is divided into a valley period, a flat period and a peak period according to the electricity consumption unit price of each hour, wherein the electricity consumption unit price of the peak period is greater than that of the flat period, and the electricity consumption unit price of the flat period is greater than that of the valley period.
3. The method according to claim 2, wherein determining a target daily operating strategy for the energy-storing water tank based on the at least two time periods, the maximum power supplied by the energy-storing water tank, the maximum power stored by the energy-storing water tank, the maximum power supplied by a target device, the time-to-time load of a target day, and the total energy stored by the energy-storing water tank comprises:
acquiring the maximum power supply power of the energy storage water tank and the maximum energy storage power of the energy storage water tank;
acquiring the hourly load of a target day;
determining the energy storage power of the energy storage water tank in each hour of a first target time period according to the time-by-time load of the target day, the first target time period, the energy storage total energy of the energy storage water tank, the energy supply maximum power of the energy storage water tank and the energy storage maximum power of the energy storage water tank, wherein the first target time period comprises: a valley period, or a valley period and a flat period;
determining the energy supply power of the energy storage water tank in each hour of a second target time period according to the hourly load of the target day, the second target time period, the energy supply maximum power of the target equipment and the energy storage total energy of the energy storage water tank, wherein the second target time period comprises: peak periods, or peak periods and flat periods.
4. Method according to claim 3, wherein the energy supply power of the energy storage tank per hour of a second target period is determined from the hourly cooling load of the target day and/or the hourly heating load of the target day, the second target period, the maximum energy supply power of the target device, the total energy storage energy of the energy storage tank, wherein the second target period comprises: peak periods, or peak periods and plateau periods, comprising:
if the hourly load of the target day with the target time in the second target time interval is larger than the maximum power supply power of the target equipment, and the difference value between the hourly load of the target day and the maximum function power of the target equipment is smaller than or equal to the maximum power supply power of the energy storage water tank, determining the difference value between the hourly load of the target day and the maximum function power of the target equipment as the power supply power of the energy storage water tank at the target time;
if the hourly load of the target day with the target time in the second target time interval is greater than the maximum power supply power of the target equipment, and the difference value between the hourly load of the target day and the maximum functional power of the target equipment is greater than the maximum power supply power of the energy storage water tank, determining the maximum power supply power of the energy storage water tank as the power supply power of the energy storage water tank at the target time;
obtaining residual energy supply power, wherein the residual energy supply power is equal to the difference value between the total energy storage energy of the energy storage water tank and the energy supply power of the energy storage water tank at the target time;
and determining the energy supply power of the energy storage water tank in the remaining time of the second target time period according to the remaining power, wherein the remaining time is the time of the second target time period except the target time.
5. The method of claim 3, wherein obtaining a time-by-time load for a target day comprises:
and simulating the hourly load of 8760 hours all year round based on the building cold and hot energy consumption analysis software, and selecting the hourly load of the target day meeting the preset conditions from the hourly load.
6. The method of claim 3, wherein obtaining a time-by-time load for a target day comprises:
the hourly load for 100% of the target day, the hourly load for 75% of the target day, the hourly load for 50% of the target day, and the hourly load for 25% of the target day are obtained.
7. The method according to claim 6, wherein determining a target daily operating strategy for the energy-storing water tank based on the at least two time periods, the maximum power supplied by the energy-storing water tank, the maximum power stored by the energy-storing water tank, the maximum power supplied by a target device, the hourly load of a target day, and the total energy stored by the energy-storing water tank comprises:
and determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply of the energy storage water tank, the maximum power storage of the energy storage water tank, the maximum power supply of target equipment, 100% of the hourly load of the target day, 75% of the hourly load of the target day, 50% of the hourly load of the target day, 25% of the hourly load of the target day and the total energy storage energy of the energy storage water tank.
8. An energy storage tank operation strategy determination device, comprising:
the first determining module is used for determining the total energy storage energy of the energy storage water tank according to the volume of the energy storage water tank;
the dividing module is used for dividing one day into at least two time periods according to the unit price of electricity consumption;
the second determination module is used for determining a target daily operation strategy of the energy storage water tank according to the at least two time periods, the maximum power supply power of the energy storage water tank, the maximum energy storage power of the energy storage water tank, the maximum power supply power of target equipment, the hourly load of a target day and the total energy storage energy of the energy storage water tank;
and the control module is used for controlling the operation of the energy storage water tank according to the target daily operation strategy.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1-7 when executing the program.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1-7.
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