CN116760087B - Comprehensive energy management method, system and storage medium based on distributed power supply - Google Patents
Comprehensive energy management method, system and storage medium based on distributed power supply Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
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Abstract
The invention relates to the technical field of electric energy management, in particular to a comprehensive energy management method, a comprehensive energy management system and a storage medium based on a distributed power supply.
Description
Technical Field
The invention belongs to the technical field of electric energy management, and particularly relates to a comprehensive energy management method, system and storage medium based on a distributed power supply.
Background
The distributed power supply is an independent power supply which is distributed on a user side and mainly used for on-site consumption (such as local solar energy, natural gas, biomass energy, wind energy, water energy, hydrogen energy, geothermal energy, ocean energy, comprehensive utilization of resources and power generation, and the like), and is commonly understood to be a power supply with a voltage level of 35kV or below which is not directly connected with a centralized power transmission system. The distributed power supply is matched with a corresponding energy storage device, an energy conversion device, a monitoring and protecting device and the like to form a power supply system. The application of the distributed power supply can relieve the power supply pressure of the power grid, supply power for remote residential areas or industrial areas with inconvenient power transmission, and play roles in saving energy, reducing emission, saving investment of power transmission and transformation and the like.
At present, the most common power supply application mode for the distributed power supply is to connect the distributed power supply with a power grid, so that the distributed power supply is connected into the power grid to uniformly utilize electric energy, but the mode can cause negative effects on the aspects of tide, electric energy quality and static stability of the connected power grid. Under the condition that the distributed power supply and the power grid are not connected and are used independently, the prior art does not achieve fine power consumption planning, and scientific supplementary power supply regulation and control of the distributed power supply cannot be effectively achieved, so that the utilization rate of the distributed power supply is not high.
Disclosure of Invention
The present invention is directed to a method, system and storage medium for integrated energy management based on distributed power sources, which solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
in a first aspect, there is provided a method of integrated energy management based on a distributed power source, comprising:
acquiring daily electricity consumption planning information of a target area in the current month, dynamic energy storage information of a distributed power supply to the target area, power supply planning information of a power supply grid to the target area and set comprehensive regulation and control rules;
evaluating daily electricity information of the target area according to daily electricity planning information of the target area in the current month, wherein the daily electricity information comprises electricity consumption of each time period every day;
determining a daily electricity peak section, a daily electricity valley section and a daily level section of the target area according to the daily electricity information, and the electricity consumption of the daily electricity peak section, the electricity consumption of the daily electricity valley section and the electricity consumption of the daily level section;
determining daily callable electric quantity of the distributed power supply according to the dynamic energy storage information of the distributed power supply to the target area;
determining the power supply quantity of the power supply network in a daily electricity peak section, the power supply quantity of the power supply network in a daily electricity valley section and the power supply quantity of the power supply network in a daily level section according to the power supply plan information of the power supply network to the target area;
Calculating peak section power supply difference according to the power supply quantity of the power supply network at a daily peak section and the power consumption of the target area at the daily peak section, calculating valley section power supply difference according to the power supply quantity of the power supply network at a daily valley section and the power consumption of the target area at the daily valley section, and calculating flat section power supply difference according to the power supply quantity of the power supply network at a daily level section and the power consumption of the target area at the daily level section;
determining the calling electric quantity of the daily electricity peak section, the calling electric quantity of the daily electricity valley section and the calling electric quantity of the daily electricity level section according to the peak section power supply difference, the valley section power supply difference, the flat section power supply difference, the daily electricity callable quantity of the distributed power supply and the set comprehensive regulation and control rule;
generating a distributed power supply electric quantity calling instruction according to the calling electric quantity of the daily electricity peak section, the calling electric quantity of the daily electricity valley section and the calling electric quantity of the daily electricity level section;
and sending the distributed power supply electric quantity calling instruction to an energy storage system of the distributed power supply so that the energy storage system of the distributed power supply executes the distributed power supply electric quantity calling instruction.
In one possible design, the determining the daily electricity peak section, the daily electricity valley section and the daily electricity level section of the target area according to the daily electricity information, and the electricity consumption of the daily electricity peak section, the electricity consumption of the daily electricity valley section and the electricity consumption of the daily electricity level section include:
Taking a plurality of continuous time periods with average power consumption larger than a first power consumption threshold value as daily power consumption peak sections according to the power consumption of each time period every day, taking a plurality of continuous time periods with average power consumption within a second power consumption threshold value and first power consumption threshold value as daily level sections, and taking a plurality of continuous time periods with average power consumption smaller than the second power consumption threshold value as daily power consumption valley sections, wherein the second power consumption threshold value is smaller than the first power consumption threshold value, and the daily power consumption peak sections, the daily power valley sections and the daily level sections have no intersection on the daily time sections; the total electricity consumption of each time period in the daily electricity peak section is used as the electricity consumption of the daily electricity peak section, the total electricity consumption of each time period in the daily electricity level section is used as the electricity consumption of the daily electricity level section, and the total electricity consumption of each time period in the daily electricity valley section is used as the electricity consumption of the daily electricity valley section.
In one possible design, the determining the daily callable power of the distributed power source according to the dynamic energy storage information of the distributed power source for the target area includes:
judging the total daily available power supply amount of the distributed power supply according to the dynamic energy storage information of the distributed power supply to the target area;
and obtaining the set emergency power consumption of the distributed power supply, and subtracting the set emergency power consumption from the total daily power supply amount of the distributed power supply to obtain the daily power consumption of the distributed power supply.
In one possible design, the calculating the peak power supply difference according to the power supply of the power supply network at the peak daily power consumption and the power consumption of the target segment at the peak daily power consumption, calculating the valley power supply difference according to the power supply of the power supply network at the valley daily power consumption and the power consumption of the target segment at the valley daily power consumption, and calculating the flat power supply difference according to the power supply of the power supply network at the daily power consumption and the power consumption of the target segment at the daily power consumption comprises:
subtracting the power consumption of the target area in the daily electricity peak section from the power supply quantity of the power supply network in the daily electricity peak section to obtain a first difference value, wherein if the first difference value is smaller than 0, the absolute value of the first difference value is used as the peak section power supply difference value, otherwise, the peak section power supply difference value is set to be 0; subtracting the power consumption of the target area in the daily level section from the power supply amount of the power supply network in the daily level section to obtain a second difference value, if the second difference value is smaller than 0, taking the absolute value of the second difference value as the flat section power supply difference value, otherwise, setting the flat section power supply difference value as 0; and subtracting the electricity consumption of the target area in the daily electricity valley section from the electricity consumption of the power supply grid in the daily electricity valley section to obtain a third difference value, wherein if the third difference value is smaller than 0, the absolute value of the third difference value is used as the valley section electricity supply difference value, otherwise, the valley section electricity supply difference value is set to be 0.
In one possible design, the determining the power consumption of the peak daily power section, the power consumption of the valley daily power section and the power consumption of the level daily power section according to the peak power supply difference, the valley power supply difference, the flat power supply difference, the power consumption of the distributed power supply and the set comprehensive regulation rule includes:
determining calling priority orders of a daily electricity peak section, a daily electricity valley section and a daily level section according to comprehensive regulation rules, and determining peak section power supply difference, valley section power supply difference and flat section power supply difference as a first cis-position difference, a second cis-position difference and a third cis-position difference according to the calling priority orders of the daily electricity peak section, the daily electricity valley section and the daily level section;
subtracting the first cis-form difference from the daily invocable electric quantity of the distributed power supply to obtain a first invocable allowance, if the first invocable allowance is positive, taking the peak section power supply difference as the invocable electric quantity of the daily electricity peak section, otherwise taking the daily invocable electric quantity of the distributed power supply as the invocable electric quantity of the daily electricity peak section, wherein the invocable electric quantity of the daily electricity level section and the invocable electric quantity of the daily electricity valley section are 0;
when the first callable allowance is positive, subtracting the second cis-form difference amount from the first callable allowance to obtain a second callable allowance, if the second callable allowance is positive, taking the flat section power supply difference amount as the calling electric quantity of the daily electric level section, otherwise, taking the first callable allowance as the calling electric quantity of the daily electric level section, and taking the calling electric quantity of the daily electric valley section as 0;
And when the second callable allowance is positive, subtracting the third cis-position difference amount from the second callable allowance to obtain a third callable allowance, if the third callable allowance is positive, taking the valley section power supply difference amount as the calling electric quantity of the daily electricity valley section, and otherwise, taking the second callable allowance as the calling electric quantity of the daily electricity valley section.
In one possible design, the determining the power consumption of the peak daily power section, the power consumption of the valley daily power section and the power consumption of the level daily power section according to the peak power supply difference, the valley power supply difference, the flat power supply difference, the power consumption of the distributed power supply and the set comprehensive regulation rule includes:
determining a first allocation coefficient of a daily electricity peak section, a second allocation coefficient of a daily level section and a third allocation coefficient of a daily electricity valley section according to the comprehensive regulation rule;
substituting the first allocation coefficient, the second allocation coefficient, the third allocation coefficient, the peak section power supply difference, the valley section power supply difference, the flat section power supply difference and the daily callable electric quantity of the distributed power supply into a preset electric quantity calling calculation model to calculate to obtain the calling electric quantity of the daily peak section, the calling electric quantity of the daily valley section and the calling electric quantity of the daily level section, wherein the electric quantity calling calculation model is as follows
Wherein, A represents the calling electric quantity of the peak section of the daily electricity, B represents the calling electric quantity of the level section of the daily electricity, C represents the calling electric quantity of the valley section of the daily electricity, U represents the power supply difference quantity of the peak section, V represents the power supply difference quantity of the flat section, W represents the power supply difference quantity of the valley section, K represents the daily calling electric quantity of the distributed power supply, alpha represents the first allocation coefficient, beta represents the second allocation coefficient, and lambda represents the third allocation coefficient.
In one possible design, after determining the power supply amount of the power supply grid at the daily peak section, the power supply amount of the power supply grid at the daily valley section, and the power supply amount of the power supply grid at the daily level section according to the power supply plan information of the power supply grid for the target area, the method further includes:
adding the power supply quantity of the power supply network in the daily electricity peak section, the power supply quantity of the power supply network in the daily electricity valley section and the power supply quantity of the power supply network in the daily level section to obtain the daily planned power supply total quantity of the power supply network;
adding the electricity consumption of the daily electricity consumption peak section, the electricity consumption of the daily electricity consumption valley section and the electricity consumption of the daily electricity consumption level section of the target area to obtain the planned daily electricity consumption total amount;
adding the planned daily power supply total quantity of the power grid and the daily power consumption of the distributed power supply, and subtracting the planned daily power total quantity to obtain a power supply and demand difference value;
And when the electric quantity supply and demand difference is smaller than 0, generating early warning prompt information according to the electric quantity supply and demand difference, and sending the early warning prompt information to a power supply grid dispatching terminal.
In a second aspect, there is provided a comprehensive energy management system based on a distributed power source, comprising an acquisition unit, an evaluation unit, a first analysis unit, a second analysis unit, a third analysis unit, a first calculation unit, a second calculation unit, a generation unit, and a deployment unit, wherein:
the acquisition unit is used for acquiring daily electricity consumption planning information of the target area in the current month, dynamic energy storage information of the distributed power supply to the target area, power supply planning information of the power supply network to the target area and set comprehensive regulation and control rules;
the evaluation unit is used for evaluating daily electricity information of the target area according to daily electricity planning information of the target area in the current month, wherein the daily electricity information comprises electricity consumption of each time period every day;
the first analysis unit is used for determining a daily electricity peak section, a daily electricity valley section and a daily level section of the target area according to daily electricity information, and the electricity consumption of the daily electricity peak section, the electricity consumption of the daily electricity valley section and the electricity consumption of the daily level section;
The second analysis unit is used for determining the daily callable electric quantity of the distributed power supply according to the dynamic energy storage information of the distributed power supply to the target area;
the third analysis unit is used for determining the power supply quantity of the power supply grid at the daily electricity peak section, the power supply quantity of the power supply grid at the daily electricity valley section and the power supply quantity of the power supply grid at the daily level section according to the power supply plan information of the power supply grid for the target area;
the first calculation unit is used for calculating peak section power supply difference according to the power supply quantity of the power supply grid at the daily peak section and the power consumption of the target sheet area at the daily peak section, calculating valley section power supply difference according to the power supply quantity of the power supply grid at the daily valley section and the power consumption of the target sheet area at the daily valley section, and calculating flat section power supply difference according to the power supply quantity of the power supply grid at the daily level section and the power consumption of the target sheet area at the daily level section;
the second calculation unit is used for determining the calling electric quantity of the daily electricity peak section, the calling electric quantity of the daily electricity valley section and the calling electric quantity of the daily electricity level section according to the peak section power supply difference quantity, the valley section power supply difference quantity, the flat section power supply difference quantity, the daily calling electric quantity of the distributed power supply and the set comprehensive regulation and control rule;
The generation unit is used for generating a distributed power supply electric quantity calling instruction according to the calling electric quantity of the daily electricity peak section, the calling electric quantity of the daily electricity valley section and the calling electric quantity of the daily electricity level section;
and the allocation unit is used for sending the distributed power supply electric quantity calling instruction to the energy storage system of the distributed power supply so that the energy storage system of the distributed power supply executes the distributed power supply electric quantity calling instruction.
In a third aspect, there is provided an integrated energy management system based on a distributed power source, comprising:
a memory for storing instructions;
and a processor for reading the instructions stored in the memory and executing the method according to any one of the above first aspects according to the instructions.
In a fourth aspect, there is provided a computer readable storage medium having instructions stored thereon which, when run on a computer, cause the computer to perform the method of any of the first aspects. Also provided is a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any of the first aspects.
The beneficial effects are that: the daily electricity peak section, the daily electricity valley section and the daily electricity level section are determined by acquiring daily electricity plan information of a target area, daily electricity callable quantity of the distributed power supply is determined by acquiring dynamic energy storage information of the distributed power supply, power supply quantity of the daily electricity peak section, the daily electricity level section and the daily electricity valley section is determined by acquiring power supply plan information of a power supply power grid, comprehensive regulation and control calculation is carried out according to a set rule, calling quantity of the daily electricity peak section, the daily electricity valley section and the daily electricity level section is obtained, and corresponding distributed power supply electricity callable instructions are generated and sent to an energy storage system of the distributed power supply, so that efficient balance regulation and control of the planned electricity of the area, the distributed power supply and the power supply of the power grid are realized. The invention can fully consider the dynamic energy storage condition of the regional power supply and the daily electricity consumption characteristic of the regional power supply, realize the fine division of the daily electricity consumption of the regional power supply and the accurate regulation and control of the supplementary power supply of the regional power supply, ensure the power consumption requirement of the corresponding period, fully utilize the energy storage of the distributed power supply, play the role of peak clipping and valley filling, effectively lighten the power supply pressure of a power grid and reduce the electricity consumption cost of the regional power supply.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing the steps of the method of example 1 of the present invention;
FIG. 2 is a schematic diagram showing the construction of a system in embodiment 2 of the present invention;
FIG. 3 is a schematic diagram showing the construction of a system in embodiment 3 of the present invention.
Detailed Description
It should be noted that the description of these examples is for aiding in understanding the present invention, but is not intended to limit the present invention. Specific structural and functional details disclosed herein are merely representative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It should be appreciated that the terms first, second, etc. are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Although the terms first, second, etc. may be used herein to describe various features, these features should not be limited by these terms. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.
In the following description, specific details are provided to provide a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, a system may be shown in block diagrams in order to avoid obscuring the examples with unnecessary detail. In other embodiments, well-known processes, structures, and techniques may be shown without unnecessary detail in order to avoid obscuring the embodiments.
Example 1:
the embodiment provides a comprehensive energy management method based on a distributed power supply, which can be applied to a corresponding power supply regulation decision terminal, as shown in fig. 1, and comprises the following steps:
s1, acquiring daily electricity consumption planning information of a target area in the current month, dynamic energy storage information of a distributed power supply to the target area, power supply planning information of a power supply grid to the target area and set comprehensive regulation and control rules.
In the specific implementation, the power supply regulation decision terminal acquires daily power consumption plan information of the target area in the current month and set comprehensive regulation rules through local information input or on-line information transmission, acquires dynamic energy storage information of the distributed power supply to the target area from an energy storage system of the distributed power supply through on-line information transmission, and acquires power supply plan information of the power supply grid to the target area from a power supply grid dispatching end. The daily electricity consumption plan information, namely the electricity consumption plan of each electricity consumption end of the target area in each time period of the current month, can comprise the current energy storage and daily estimated electricity generation capacity of the distributed power supply, the power supply plan information comprises the power supply quantity of a power supply grid in each time period of the current month to the target area every day, and the comprehensive regulation and control rule can be preconfigured according to the actual electricity consumption condition of the current month target area, the actual power supply condition of the power supply grid and the actual condition of the energy storage of the distributed power supply, such as setting the calling priority sequence of the daily electricity peak section, the daily electricity valley section and the daily electricity level section, or setting the first allocation coefficient of the daily electricity peak section, the second allocation coefficient of the daily electricity level section and the third allocation coefficient of the daily electricity valley section, so that the power supply regulation and control of the distributed power supply can be carried out according to the comprehensive regulation and control rule.
S2, evaluating daily electricity information of the target area according to daily electricity planning information of the target area in the current month, wherein the daily electricity information comprises electricity consumption of each time period every day.
In the implementation, after the daily electricity plan information of the target area in the current month is collected, the power supply regulation and control decision terminal can be used for evaluating and determining the daily electricity information of the target area, namely the electricity consumption of the target area in each time period every day.
S3, determining a daily electricity peak section, a daily electricity valley section and a daily level section of the target area according to the daily electricity information, and the electricity consumption of the daily electricity peak section, the electricity consumption of the daily electricity valley section and the electricity consumption of the daily level section.
In specific implementation, after evaluating and determining daily electricity information of a target area, the power supply regulation decision terminal determines a daily electricity peak section, a daily electricity valley section and a daily level section of the target area according to the daily electricity information, and electricity consumption of the daily electricity peak section, the daily electricity consumption of the daily electricity valley section and the electricity consumption of the daily level section, and the process comprises the following steps: taking a plurality of continuous time periods with average power consumption larger than a first power consumption threshold value as daily power consumption peak sections according to the power consumption of each time period every day, taking a plurality of continuous time periods with average power consumption within a second power consumption threshold value and first power consumption threshold value as daily level sections, and taking a plurality of continuous time periods with average power consumption smaller than the second power consumption threshold value as daily power consumption valley sections, wherein the second power consumption threshold value is smaller than the first power consumption threshold value, and the daily power consumption peak sections, the daily power valley sections and the daily level sections have no intersection on the daily time sections; the total electricity consumption of each time period in the daily electricity peak section is used as the electricity consumption of the daily electricity peak section, the total electricity consumption of each time period in the daily electricity level section is used as the electricity consumption of the daily electricity level section, and the total electricity consumption of each time period in the daily electricity valley section is used as the electricity consumption of the daily electricity valley section.
S4, determining daily callable electric quantity of the distributed power supply according to the dynamic energy storage information of the distributed power supply to the target area.
When the method is implemented, after the dynamic energy storage information of the distributed power supply to the target area is obtained, the power supply regulation and control decision terminal judges the daily power supply total amount of the distributed power supply according to the dynamic energy storage information of the distributed power supply to the target area, then obtains the set emergency power consumption of the distributed power supply, subtracts the set emergency power consumption from the daily power supply total amount of the distributed power supply to obtain the daily power consumption of the distributed power supply, and the set emergency power consumption is the final emergency power consumption of the distributed power supply which is configured in advance.
S5, determining the power supply quantity of the power supply network in the daily electricity peak section, the power supply quantity of the power supply network in the daily electricity valley section and the power supply quantity of the power supply network in the daily level section according to the power supply plan information of the power supply network to the target area.
When the method is implemented, after power supply plan information of a power supply network to a target area is obtained, a power supply regulation and control decision terminal can judge the power supply quantity of the power supply network at the daily peak section, the power supply quantity of the power supply network at the daily valley section and the power supply quantity of the power supply network at the daily level section according to the power supply plan information and the determined daily peak section, daily valley section and daily level section.
S6, calculating peak section power supply difference according to the power supply quantity of the power supply network at the daily peak section and the power consumption of the target sheet area at the daily peak section, calculating valley section power supply difference according to the power supply quantity of the power supply network at the daily valley section and the power consumption of the target sheet area at the daily valley section, and calculating flat section power supply difference according to the power supply quantity of the power supply network at the daily level section and the power consumption of the target sheet area at the daily level section.
In specific implementation, the power supply regulation decision terminal can subtract the power consumption of the target area in the daily electricity peak section from the power supply amount of the power supply network in the daily electricity peak section to obtain a first difference value, if the first difference value is smaller than 0, the absolute value of the first difference value is used as the peak section power supply difference value, otherwise, the peak section power supply difference value is set to be 0; subtracting the power consumption of the target area in the daily level section from the power supply amount of the power supply network in the daily level section to obtain a second difference value, if the second difference value is smaller than 0, taking the absolute value of the second difference value as the flat section power supply difference value, otherwise, setting the flat section power supply difference value as 0; and subtracting the electricity consumption of the target area in the daily electricity valley section from the electricity consumption of the power supply grid in the daily electricity valley section to obtain a third difference value, wherein if the third difference value is smaller than 0, the absolute value of the third difference value is used as the valley section electricity supply difference value, otherwise, the valley section electricity supply difference value is set to be 0.
S7, determining the calling electric quantity of the daily electricity peak section, the calling electric quantity of the daily electricity valley section and the calling electric quantity of the daily electricity level section according to the peak section power supply difference, the valley section power supply difference, the flat section power supply difference, the daily electricity quantity of the distributed power supply and the set comprehensive regulation and control rule.
In specific implementation, when the power supply regulation decision terminal analyzes and determines the power consumption of the daily electricity peak section, the power consumption of the daily electricity valley section and the power consumption of the daily electricity level section, the power supply regulation decision terminal is mainly implemented according to the comprehensive regulation rule, and two regulation modes are given here, one regulation mode is to regulate according to the mode of time-division power consumption priority, if the comprehensive regulation rule comprises the set power consumption priority sequence of the daily electricity peak section, the daily electricity valley section and the daily electricity level section, then:
determining calling priority orders of a daily electricity peak section, a daily electricity valley section and a daily level section according to comprehensive regulation rules, and determining peak section power supply difference, valley section power supply difference and flat section power supply difference as a first cis-position difference, a second cis-position difference and a third cis-position difference according to the calling priority orders of the daily electricity peak section, the daily electricity valley section and the daily level section;
subtracting the first cis-form difference from the daily invocable electric quantity of the distributed power supply to obtain a first invocable allowance, if the first invocable allowance is positive, taking the peak section power supply difference as the invocable electric quantity of the daily electricity peak section, otherwise taking the daily invocable electric quantity of the distributed power supply as the invocable electric quantity of the daily electricity peak section, wherein the invocable electric quantity of the daily electricity level section and the invocable electric quantity of the daily electricity valley section are 0;
When the first callable allowance is positive, subtracting the second cis-form difference amount from the first callable allowance to obtain a second callable allowance, if the second callable allowance is positive, taking the flat section power supply difference amount as the calling electric quantity of the daily electric level section, otherwise, taking the first callable allowance as the calling electric quantity of the daily electric level section, and taking the calling electric quantity of the daily electric valley section as 0;
and when the second callable allowance is positive, subtracting the third cis-position difference amount from the second callable allowance to obtain a third callable allowance, if the third callable allowance is positive, taking the valley section power supply difference amount as the calling electric quantity of the daily electricity valley section, and otherwise, taking the second callable allowance as the calling electric quantity of the daily electricity valley section.
The other is to regulate and control according to the mode of the electricity consumption allocation coefficient of the time-sharing period, if the comprehensive regulation rule comprises the first allocation coefficient of the set electricity consumption peak period, the second allocation coefficient of the electricity consumption level period and the third allocation coefficient of the electricity consumption valley period, then:
determining a first allocation coefficient of a daily electricity peak section, a second allocation coefficient of a daily level section and a third allocation coefficient of a daily electricity valley section according to the comprehensive regulation rule;
substituting the first allocation coefficient, the second allocation coefficient, the third allocation coefficient, the peak section power supply difference, the valley section power supply difference, the flat section power supply difference and the daily callable electric quantity of the distributed power supply into a preset electric quantity calling calculation model to calculate to obtain the calling electric quantity of the daily peak section, the calling electric quantity of the daily valley section and the calling electric quantity of the daily level section, wherein the electric quantity calling calculation model is as follows
Wherein, A represents the calling electric quantity of the peak section of the daily electricity, B represents the calling electric quantity of the level section of the daily electricity, C represents the calling electric quantity of the valley section of the daily electricity, U represents the power supply difference quantity of the peak section, V represents the power supply difference quantity of the flat section, W represents the power supply difference quantity of the valley section, K represents the daily calling electric quantity of the distributed power supply, alpha represents the first allocation coefficient, beta represents the second allocation coefficient, and lambda represents the third allocation coefficient.
The two regulation modes can be selected according to actual conditions, or other comprehensive regulation rules are set according to requirements to realize power supply regulation of the distributed power supply.
S8, generating a distributed power supply electric quantity calling instruction according to the calling electric quantity of the daily electricity peak section, the calling electric quantity of the daily electricity valley section and the calling electric quantity of the daily electricity level section.
When the method is implemented, after the call electric quantity of the daily electricity peak section, the call electric quantity of the daily electricity valley section and the call electric quantity of the daily electricity level section are determined according to the comprehensive regulation rule analysis, the power supply regulation decision terminal can determine corresponding distributed power supply call strategies for the target sheet section in the daily electricity peak section, the daily electricity level section and the daily electricity valley section according to the call electric quantity of the daily electricity peak section, the call electric quantity of the daily electricity valley section and the call electric quantity of the daily electricity level section, for example, corresponding electric quantity supply is carried out to the target sheet section in the daily electricity peak section, and then the corresponding distributed power supply call strategies of the daily electricity peak section, the daily electricity level section and the daily electricity valley section are summarized to generate a distributed power supply electric quantity call instruction.
S9, sending the distributed power supply electric quantity calling instruction to an energy storage system of the distributed power supply, so that the energy storage system of the distributed power supply executes the distributed power supply electric quantity calling instruction.
In the specific implementation, the power supply regulation decision terminal sends the generated distributed power supply electric quantity calling instruction to the energy storage system of the distributed power supply in a wired transmission or wireless transmission mode, so that the energy storage system of the distributed power supply executes the distributed power supply electric quantity calling instruction, and the power supply is supplemented for the target area in a corresponding time period to fill the shortage of power supply of the power grid, so that the power consumption requirement of the target area in the corresponding time period is powerfully ensured, the energy storage of the distributed power supply is fully utilized, the peak clipping and valley filling effects are achieved, the power supply pressure of the power grid is effectively reduced, and the power consumption cost of the area is reduced.
Example 2:
the present embodiment provides an integrated energy management system based on a distributed power source, as shown in fig. 2, including an acquisition unit, an evaluation unit, a first analysis unit, a second analysis unit, a third analysis unit, a first calculation unit, a second calculation unit, a generation unit, and a deployment unit, wherein:
the acquisition unit is used for acquiring daily electricity consumption planning information of the target area in the current month, dynamic energy storage information of the distributed power supply to the target area, power supply planning information of the power supply network to the target area and set comprehensive regulation and control rules;
The evaluation unit is used for evaluating daily electricity information of the target area according to daily electricity planning information of the target area in the current month, wherein the daily electricity information comprises electricity consumption of each time period every day;
the first analysis unit is used for determining a daily electricity peak section, a daily electricity valley section and a daily level section of the target area according to daily electricity information, and the electricity consumption of the daily electricity peak section, the electricity consumption of the daily electricity valley section and the electricity consumption of the daily level section;
the second analysis unit is used for determining the daily callable electric quantity of the distributed power supply according to the dynamic energy storage information of the distributed power supply to the target area;
the third analysis unit is used for determining the power supply quantity of the power supply grid at the daily electricity peak section, the power supply quantity of the power supply grid at the daily electricity valley section and the power supply quantity of the power supply grid at the daily level section according to the power supply plan information of the power supply grid for the target area;
the first calculation unit is used for calculating peak section power supply difference according to the power supply quantity of the power supply grid at the daily peak section and the power consumption of the target sheet area at the daily peak section, calculating valley section power supply difference according to the power supply quantity of the power supply grid at the daily valley section and the power consumption of the target sheet area at the daily valley section, and calculating flat section power supply difference according to the power supply quantity of the power supply grid at the daily level section and the power consumption of the target sheet area at the daily level section;
The second calculation unit is used for determining the calling electric quantity of the daily electricity peak section, the calling electric quantity of the daily electricity valley section and the calling electric quantity of the daily electricity level section according to the peak section power supply difference quantity, the valley section power supply difference quantity, the flat section power supply difference quantity, the daily calling electric quantity of the distributed power supply and the set comprehensive regulation and control rule;
the generation unit is used for generating a distributed power supply electric quantity calling instruction according to the calling electric quantity of the daily electricity peak section, the calling electric quantity of the daily electricity valley section and the calling electric quantity of the daily electricity level section;
and the allocation unit is used for sending the distributed power supply electric quantity calling instruction to the energy storage system of the distributed power supply so that the energy storage system of the distributed power supply executes the distributed power supply electric quantity calling instruction.
Example 3:
the present embodiment provides an integrated energy management system based on a distributed power supply, as shown in fig. 3, including, at a hardware level:
the data interface is used for establishing data butt joint between the processor and an external data terminal;
a memory for storing instructions;
and a processor for reading the instructions stored in the memory and executing the integrated energy management method based on the distributed power supply in embodiment 1 according to the instructions.
The system also optionally includes an internal bus through which the processor and memory and data interfaces can be interconnected, which can be an ISA (Industry Standard Architecture ) bus, a PCI (Peripheral Component Interconnect, peripheral component interconnect standard) bus, or an EISA (Extended Industry Standard Architecture ) bus, among others. The buses may be classified as address buses, data buses, control buses, etc.
The Memory may include, but is not limited to, random access Memory (Random Access Memory, RAM), read Only Memory (ROM), flash Memory (Flash Memory), first-in first-out Memory (First Input First Output, FIFO), and/or first-in last-out Memory (First In Last Out, FILO), etc. The processor may be a general-purpose processor including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), etc.; but also digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
Example 4:
the present embodiment provides a computer-readable storage medium having instructions stored thereon that, when executed on a computer, cause the computer to perform the integrated energy management method based on distributed power supply of embodiment 1. The computer readable storage medium refers to a carrier for storing data, and may include, but is not limited to, a floppy disk, an optical disk, a hard disk, a flash Memory, and/or a Memory Stick (Memory Stick), etc., where the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable system.
The present embodiment also provides a computer program product comprising instructions that, when run on a computer, cause the computer to perform the integrated energy management method of embodiment 1 based on distributed power sources. Wherein the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable system.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the invention and is not intended to limit the scope of the invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A method for integrated energy management based on a distributed power source, comprising:
acquiring daily electricity consumption planning information of a target area in the current month, dynamic energy storage information of a distributed power supply to the target area, power supply planning information of a power supply grid to the target area and set comprehensive regulation and control rules;
evaluating daily electricity information of the target area according to daily electricity planning information of the target area in the current month, wherein the daily electricity information comprises electricity consumption of each time period every day;
Determining a daily electricity peak section, a daily electricity valley section and a daily level section of the target area according to the daily electricity information, and the electricity consumption of the daily electricity peak section, the electricity consumption of the daily electricity valley section and the electricity consumption of the daily level section;
determining daily callable electric quantity of the distributed power supply according to the dynamic energy storage information of the distributed power supply to the target area;
determining the power supply quantity of the power supply network in a daily electricity peak section, the power supply quantity of the power supply network in a daily electricity valley section and the power supply quantity of the power supply network in a daily level section according to the power supply plan information of the power supply network to the target area;
calculating peak section power supply difference according to the power supply quantity of the power supply network at a daily peak section and the power consumption of the target area at the daily peak section, calculating valley section power supply difference according to the power supply quantity of the power supply network at a daily valley section and the power consumption of the target area at the daily valley section, and calculating flat section power supply difference according to the power supply quantity of the power supply network at a daily level section and the power consumption of the target area at the daily level section;
determining the calling electric quantity of the daily electricity peak section, the calling electric quantity of the daily electricity valley section and the calling electric quantity of the daily electricity level section according to the peak section power supply difference, the valley section power supply difference, the flat section power supply difference, the daily electricity callable quantity of the distributed power supply and the set comprehensive regulation and control rule, wherein the method specifically comprises the following steps:
Determining calling priority orders of a daily electricity peak section, a daily electricity valley section and a daily level section according to comprehensive regulation rules, and determining peak section power supply difference, valley section power supply difference and flat section power supply difference as a first cis-position difference, a second cis-position difference and a third cis-position difference according to the calling priority orders of the daily electricity peak section, the daily electricity valley section and the daily level section; subtracting the first cis-form difference from the daily invocable electric quantity of the distributed power supply to obtain a first invocable allowance, if the first invocable allowance is positive, taking the peak section power supply difference as the invocable electric quantity of the daily electricity peak section, otherwise taking the daily invocable electric quantity of the distributed power supply as the invocable electric quantity of the daily electricity peak section, wherein the invocable electric quantity of the daily electricity level section and the invocable electric quantity of the daily electricity valley section are 0; when the first callable allowance is positive, subtracting the second cis-form difference amount from the first callable allowance to obtain a second callable allowance, if the second callable allowance is positive, taking the flat section power supply difference amount as the calling electric quantity of the daily electric level section, otherwise, taking the first callable allowance as the calling electric quantity of the daily electric level section, and taking the calling electric quantity of the daily electric valley section as 0; when the second callable allowance is positive, subtracting a third cis-position difference amount from the second callable allowance to obtain a third callable allowance, if the third callable allowance is positive, taking the valley section power supply difference amount as the calling electric quantity of the daily electricity valley section, otherwise, taking the second callable allowance as the calling electric quantity of the daily electricity valley section;
Or determining a first allocation coefficient of the daily electricity peak section, a second allocation coefficient of the daily level section and a third allocation coefficient of the daily electricity valley section according to the comprehensive regulation rule; substituting the first allocation coefficient, the second allocation coefficient, the third allocation coefficient, the peak section power supply difference, the valley section power supply difference, the flat section power supply difference and the daily callable electric quantity of the distributed power supply into a preset electric quantity calling calculation model to calculate to obtain the calling electric quantity of the daily peak section, the calling electric quantity of the daily valley section and the calling electric quantity of the daily level section, wherein the electric quantity calling calculation model is as follows
Wherein, A represents the calling electric quantity of the peak section of the daily electricity, B represents the calling electric quantity of the level section of the daily electricity, C represents the calling electric quantity of the valley section of the daily electricity, U represents the power supply difference quantity of the peak section, V represents the power supply difference quantity of the flat section, W represents the power supply difference quantity of the valley section, K represents the daily calling electric quantity of the distributed power supply, alpha represents the first allocation coefficient, beta represents the second allocation coefficient, and lambda represents the third allocation coefficient;
generating a distributed power supply electric quantity calling instruction according to the calling electric quantity of the daily electricity peak section, the calling electric quantity of the daily electricity valley section and the calling electric quantity of the daily electricity level section;
and sending the distributed power supply electric quantity calling instruction to an energy storage system of the distributed power supply so that the energy storage system of the distributed power supply executes the distributed power supply electric quantity calling instruction.
2. The method of claim 1, wherein determining the peak daily electricity consumption, the valley daily electricity consumption, and the level daily electricity consumption of the target area according to the daily electricity consumption information, and determining the peak daily electricity consumption, the valley daily electricity consumption, and the level daily electricity consumption of the target area comprises:
taking a plurality of continuous time periods with average power consumption larger than a first power consumption threshold value as daily power consumption peak sections according to the power consumption of each time period every day, taking a plurality of continuous time periods with average power consumption within a second power consumption threshold value and first power consumption threshold value as daily level sections, and taking a plurality of continuous time periods with average power consumption smaller than the second power consumption threshold value as daily power consumption valley sections, wherein the second power consumption threshold value is smaller than the first power consumption threshold value, and the daily power consumption peak sections, the daily power valley sections and the daily level sections have no intersection on the daily time sections; the total electricity consumption of each time period in the daily electricity peak section is used as the electricity consumption of the daily electricity peak section, the total electricity consumption of each time period in the daily electricity level section is used as the electricity consumption of the daily electricity level section, and the total electricity consumption of each time period in the daily electricity valley section is used as the electricity consumption of the daily electricity valley section.
3. The integrated energy management method based on distributed power supply according to claim 1, wherein determining a daily callable power of the distributed power supply according to the dynamic energy storage information of the distributed power supply for the target area includes:
judging the total daily available power supply amount of the distributed power supply according to the dynamic energy storage information of the distributed power supply to the target area;
and obtaining the set emergency power consumption of the distributed power supply, and subtracting the set emergency power consumption from the total daily power supply amount of the distributed power supply to obtain the daily power consumption of the distributed power supply.
4. The method of claim 1, wherein calculating the peak power supply delta based on the power supply of the power supply grid at the peak daily power supply section and the power consumption of the target segment at the peak daily power supply section, calculating the valley power supply delta based on the power supply of the power supply grid at the valley daily power supply section and the power consumption of the target segment at the valley daily power supply section, and calculating the flat power supply delta based on the power supply of the power supply grid at the peak daily power supply section and the power consumption of the target segment at the peak daily power supply section, comprises:
subtracting the power consumption of the target area in the daily electricity peak section from the power supply quantity of the power supply network in the daily electricity peak section to obtain a first difference value, wherein if the first difference value is smaller than 0, the absolute value of the first difference value is used as the peak section power supply difference value, otherwise, the peak section power supply difference value is set to be 0; subtracting the power consumption of the target area in the daily level section from the power supply amount of the power supply network in the daily level section to obtain a second difference value, if the second difference value is smaller than 0, taking the absolute value of the second difference value as the flat section power supply difference value, otherwise, setting the flat section power supply difference value as 0; and subtracting the electricity consumption of the target area in the daily electricity valley section from the electricity consumption of the power supply grid in the daily electricity valley section to obtain a third difference value, wherein if the third difference value is smaller than 0, the absolute value of the third difference value is used as the valley section electricity supply difference value, otherwise, the valley section electricity supply difference value is set to be 0.
5. The integrated energy management method based on a distributed power source according to claim 1, wherein after determining the power supply amount of the power supply grid at the peak section of the daily electricity, the power supply amount of the power supply grid at the valley section of the daily electricity, and the power supply amount of the power supply grid at the level section of the daily electricity according to the power supply plan information of the power supply grid for the target segment, the method further comprises:
adding the power supply quantity of the power supply network in the daily electricity peak section, the power supply quantity of the power supply network in the daily electricity valley section and the power supply quantity of the power supply network in the daily level section to obtain the daily planned power supply total quantity of the power supply network;
adding the electricity consumption of the daily electricity consumption peak section, the electricity consumption of the daily electricity consumption valley section and the electricity consumption of the daily electricity consumption level section of the target area to obtain the planned daily electricity consumption total amount;
adding the planned daily power supply total quantity of the power grid and the daily power consumption of the distributed power supply, and subtracting the planned daily power total quantity to obtain a power supply and demand difference value;
and when the electric quantity supply and demand difference is smaller than 0, generating early warning prompt information according to the electric quantity supply and demand difference, and sending the early warning prompt information to a power supply grid dispatching terminal.
6. The comprehensive energy management system based on the distributed power supply is characterized by comprising an acquisition unit, an evaluation unit, a first analysis unit, a second analysis unit, a third analysis unit, a first calculation unit, a second calculation unit, a generation unit and a deployment unit, wherein:
The acquisition unit is used for acquiring daily electricity consumption planning information of the target area in the current month, dynamic energy storage information of the distributed power supply to the target area, power supply planning information of the power supply network to the target area and set comprehensive regulation and control rules;
the evaluation unit is used for evaluating daily electricity information of the target area according to daily electricity planning information of the target area in the current month, wherein the daily electricity information comprises electricity consumption of each time period every day;
the first analysis unit is used for determining a daily electricity peak section, a daily electricity valley section and a daily level section of the target area according to daily electricity information, and the electricity consumption of the daily electricity peak section, the electricity consumption of the daily electricity valley section and the electricity consumption of the daily level section;
the second analysis unit is used for determining the daily callable electric quantity of the distributed power supply according to the dynamic energy storage information of the distributed power supply to the target area;
the third analysis unit is used for determining the power supply quantity of the power supply grid at the daily electricity peak section, the power supply quantity of the power supply grid at the daily electricity valley section and the power supply quantity of the power supply grid at the daily level section according to the power supply plan information of the power supply grid for the target area;
the first calculation unit is used for calculating peak section power supply difference according to the power supply quantity of the power supply grid at the daily peak section and the power consumption of the target sheet area at the daily peak section, calculating valley section power supply difference according to the power supply quantity of the power supply grid at the daily valley section and the power consumption of the target sheet area at the daily valley section, and calculating flat section power supply difference according to the power supply quantity of the power supply grid at the daily level section and the power consumption of the target sheet area at the daily level section;
The second calculating unit is configured to determine, according to the peak section power supply difference, the valley section power supply difference, the flat section power supply difference, the daily power consumption of the distributed power supply, and the set comprehensive regulation rule, a power consumption of the daily power peak section, a power consumption of the daily power valley section, and a power consumption of the daily power level section, and is specifically configured to:
determining calling priority orders of a daily electricity peak section, a daily electricity valley section and a daily level section according to comprehensive regulation rules, and determining peak section power supply difference, valley section power supply difference and flat section power supply difference as a first cis-position difference, a second cis-position difference and a third cis-position difference according to the calling priority orders of the daily electricity peak section, the daily electricity valley section and the daily level section; subtracting the first cis-form difference from the daily invocable electric quantity of the distributed power supply to obtain a first invocable allowance, if the first invocable allowance is positive, taking the peak section power supply difference as the invocable electric quantity of the daily electricity peak section, otherwise taking the daily invocable electric quantity of the distributed power supply as the invocable electric quantity of the daily electricity peak section, wherein the invocable electric quantity of the daily electricity level section and the invocable electric quantity of the daily electricity valley section are 0; when the first callable allowance is positive, subtracting the second cis-form difference amount from the first callable allowance to obtain a second callable allowance, if the second callable allowance is positive, taking the flat section power supply difference amount as the calling electric quantity of the daily electric level section, otherwise, taking the first callable allowance as the calling electric quantity of the daily electric level section, and taking the calling electric quantity of the daily electric valley section as 0; when the second callable allowance is positive, subtracting a third cis-position difference amount from the second callable allowance to obtain a third callable allowance, if the third callable allowance is positive, taking the valley section power supply difference amount as the calling electric quantity of the daily electricity valley section, otherwise, taking the second callable allowance as the calling electric quantity of the daily electricity valley section;
Or determining a first allocation coefficient of the daily electricity peak section, a second allocation coefficient of the daily level section and a third allocation coefficient of the daily electricity valley section according to the comprehensive regulation rule; substituting the first allocation coefficient, the second allocation coefficient, the third allocation coefficient, the peak section power supply difference, the valley section power supply difference, the flat section power supply difference and the daily callable electric quantity of the distributed power supply into a preset electric quantity calling calculation model to calculate to obtain the calling electric quantity of the daily peak section, the calling electric quantity of the daily valley section and the calling electric quantity of the daily level section, wherein the electric quantity calling calculation model is as follows
Wherein, A represents the calling electric quantity of the peak section of the daily electricity, B represents the calling electric quantity of the level section of the daily electricity, C represents the calling electric quantity of the valley section of the daily electricity, U represents the power supply difference quantity of the peak section, V represents the power supply difference quantity of the flat section, W represents the power supply difference quantity of the valley section, K represents the daily calling electric quantity of the distributed power supply, alpha represents the first allocation coefficient, beta represents the second allocation coefficient, and lambda represents the third allocation coefficient;
the generation unit is used for generating a distributed power supply electric quantity calling instruction according to the calling electric quantity of the daily electricity peak section, the calling electric quantity of the daily electricity valley section and the calling electric quantity of the daily electricity level section;
And the allocation unit is used for sending the distributed power supply electric quantity calling instruction to the energy storage system of the distributed power supply so that the energy storage system of the distributed power supply executes the distributed power supply electric quantity calling instruction.
7. An integrated energy management system based on a distributed power source, comprising:
a memory for storing instructions;
a processor for reading the instructions stored in the memory and executing the integrated energy management method of any one of claims 1-5 in accordance with the instructions.
8. A computer readable storage medium having instructions stored thereon which, when executed on a computer, cause the computer to perform the integrated energy management method of any of claims 1-5.
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