CN117081121B - Wind-solar power generation energy storage equipment control compensation method and system based on power loss - Google Patents
Wind-solar power generation energy storage equipment control compensation method and system based on power loss Download PDFInfo
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- CN117081121B CN117081121B CN202311323488.7A CN202311323488A CN117081121B CN 117081121 B CN117081121 B CN 117081121B CN 202311323488 A CN202311323488 A CN 202311323488A CN 117081121 B CN117081121 B CN 117081121B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 220
- 238000010248 power generation Methods 0.000 title claims abstract description 146
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004458 analytical method Methods 0.000 claims description 59
- 238000012544 monitoring process Methods 0.000 claims description 31
- 230000002159 abnormal effect Effects 0.000 claims description 26
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 20
- 230000006978 adaptation Effects 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06312—Adjustment or analysis of established resource schedule, e.g. resource or task levelling, or dynamic rescheduling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00004—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the power network being locally controlled
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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
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
- H02J3/0075—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source according to economic or energy efficiency considerations, e.g. economic dispatch
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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]
-
- 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
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
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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
- H02J2300/28—The renewable source being wind energy
Abstract
The invention discloses a control compensation method and a system for wind-light power generation energy storage equipment based on power loss, which belong to the field of wind-light power generation and are used for solving the problem that the power compensation mode of a current energy storage container is not combined with power loss, environment and the like to carry out intelligent power compensation.
Description
Technical Field
The invention belongs to the field of wind-solar power generation, relates to an energy storage equipment compensation technology, and in particular relates to a wind-solar power generation energy storage equipment control compensation method and system based on power loss.
Background
The wind-solar power generation is a set of power generation application system, the system stores generated electric energy into a storage battery by utilizing a solar cell matrix and a wind driven generator, and when a user needs to use electricity, an inverter converts direct current stored in the storage battery into alternating current and sends the alternating current to a user load through a power transmission line. At present in the transportation of energy storage container, in order to alleviate the electric power loss in long distance transportation, can be equipped with low noise, the strong small-size power generation fan of dismantling of anti-wind ability on energy storage container to still lay light-duty polycrystalline solar photovoltaic board at energy storage container top, provide electric power for energy storage container developments.
When wind-light power generation equipment on the energy storage container performs power compensation, a common power compensation mode is that the wind power generation equipment is started, the photovoltaic power generation equipment is started, or the wind power generation equipment and the photovoltaic power generation equipment are started simultaneously, and the power compensation mode does not combine the power loss condition and the environmental condition of the position of the energy storage container to dynamically perform power compensation on the energy storage container;
therefore, a wind-solar power generation energy storage equipment control compensation method and system based on power loss are provided.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a wind-solar power generation energy storage equipment control compensation method and system based on power loss.
The technical problems to be solved by the invention are as follows:
how to analyze the power compensation requirement of the energy storage container in combination with the power loss and environmental factors, and how to realize the dynamic compensation of the power of the energy storage container based on the power compensation requirement.
The aim of the invention can be achieved by the following technical scheme:
the wind-solar power generation energy storage equipment control compensation system based on the power loss comprises an energy storage monitoring module, a temperature control module, an environment monitoring module, an environment analysis module, a scheduling analysis module, a compensation control module, a display terminal and a switch, wherein the energy storage monitoring module is used for monitoring the energy storage equipment in real time, and sending a temperature rise adjusting signal or a temperature reduction adjusting signal to the temperature control module if the temperature rise adjusting signal or the temperature reduction adjusting signal is generated; if the power sufficient signal, the on-demand compensation signal or the full-power compensation signal is generated, the power sufficient signal, the on-demand compensation signal or the full-power compensation signal is sent to the switch, and meanwhile, the power loss rate of the energy storage equipment is also sent to the switch; the temperature control module adjusts the internal temperature of the energy storage equipment according to the temperature rise adjusting signal or the temperature reduction adjusting signal; the switch sends the power sufficient signal, the on-demand compensation signal or the full-power compensation signal and the power loss rate of the energy storage device to the scheduling analysis module;
the environment monitoring module is used for collecting working environment data of the energy storage equipment and sending the working environment data to the environment analysis module through the switch; the environment analysis module is used for analyzing the adaptation condition of the environment data of the position of the energy storage equipment and the work of the wind-light power generation assembly, if a wind power starting signal or a photoelectric starting signal is generated, the wind power starting signal or the photoelectric starting signal is sent to the scheduling analysis module through the switch, and if a starting-unsuitable signal is generated, the wind power starting signal or the photoelectric starting signal is sent to the display terminal through the switch;
the scheduling analysis module is used for analyzing the power compensation requirement of the energy storage equipment, and the power compensation grade of the energy storage equipment obtained through analysis is sent to the compensation control module through the switch; the compensation control module is used for carrying out power compensation on the energy storage equipment; the display terminal is used for displaying the unsuitable starting signal.
Further, the working process of the energy storage monitoring module is specifically as follows:
monitoring the equipment internal temperature and the residual power reserve of the energy storage equipment in real time;
comparing the internal temperature of the energy storage device with an internal standard temperature interval:
if the numerical value of the internal temperature of the equipment does not belong to the internal standard temperature interval, comparing the positions of the internal temperature of the equipment and the internal standard temperature interval on the coordinate axis;
if the internal temperature of the equipment is positioned at the left side of the internal standard temperature interval, generating a temperature rise adjusting signal, and if the internal temperature of the equipment is positioned at the right side of the internal standard temperature interval, generating a temperature reduction adjusting signal;
if the numerical value of the internal temperature of the equipment belongs to an internal standard temperature interval, reading the residual power reserve of the energy storage equipment at a standard interval duration, and calculating the power loss rate of the energy storage equipment;
comparing the remaining power reserve of the energy storage device to a power reserve threshold;
generating a power sufficient signal if the remaining power reserve is greater than the second power reserve threshold, generating an on-demand compensation signal if the remaining power reserve is greater than the first power reserve threshold and less than or equal to the second power reserve threshold, and generating a full power compensation signal if the remaining power reserve is less than or equal to the first power reserve threshold; wherein the first power reserve threshold is less than the second power reserve threshold.
Further, the working environment data are an environment wind speed value, an environment light intensity value and an environment temperature of the position where the energy storage device is located.
Further, the analysis process of the environment analysis module is specifically as follows:
reading working environment data of the energy storage equipment to obtain an ambient wind speed value, ambient illumination intensity and ambient temperature of an ambient environment of the energy storage equipment;
respectively comparing the ambient temperature with the working temperature range of the wind-light power generation assembly;
if the value of the ambient temperature belongs to the working temperature range, carrying out the subsequent steps;
if the value of the ambient temperature does not belong to the working temperature interval, generating a start-unsuitable signal;
comparing the ambient wind speed value with a fan starting threshold value of the wind-light power generation assembly;
if the ambient wind speed value is smaller than the fan starting threshold value, no operation is performed;
if the ambient wind speed value is greater than or equal to the fan starting threshold value, generating a fan starting signal;
similarly, comparing the environmental light intensity value with a photovoltaic starting threshold value of the wind-light power generation assembly;
if the ambient light intensity value is smaller than the photovoltaic starting threshold value, no operation is performed;
if the ambient light intensity value is greater than or equal to the photovoltaic starting threshold value, generating a photovoltaic starting signal; the wind-solar power generation assembly comprises wind power generation equipment and photovoltaic power generation equipment.
Further, the analysis process of the scheduling analysis module is specifically as follows:
when the power sufficient signal is received, no operation is performed;
when the on-demand compensation signal is received, the power loss rate of the energy storage device is read, and the power loss rate is compared with a power loss rate threshold:
if the power loss rate is less than or equal to the first power loss rate threshold, determining that the power compensation level of the energy storage device is the first power compensation level;
if the power loss rate is greater than the first power loss rate threshold and less than or equal to the second power loss rate threshold, determining that the power compensation level of the energy storage device is the second power compensation level;
if the power loss rate is greater than the second power loss rate threshold, determining that the power compensation level of the energy storage device is a third power compensation level;
when the full-force compensation signal is received, determining that the power compensation level of the energy storage device is a third compensation level;
wherein the values of the first power loss rate threshold and the second power loss rate threshold are both greater than zero and the first power loss rate threshold is less than the second power loss rate threshold, the level of the first power compensation level is less than the level of the second power compensation level, and the level of the second power compensation level is less than the level of the third power compensation level.
Further, the working process of the compensation control module is specifically as follows:
when the power compensation level of the energy storage equipment is the first power compensation level, controlling the wind-light power generation assembly to execute a first power compensation scheme;
when the power compensation level of the energy storage equipment is the second power compensation level, controlling the wind-light power generation assembly to execute a second power compensation scheme;
and when the power compensation level of the energy storage device is the third power compensation level, controlling the wind-light power generation assembly to execute a third power compensation scheme.
Further, the first power compensation scheme and the second power compensation scheme are used for controlling the corresponding number of wind power generation devices in the wind-light power generation assembly to synchronously work or controlling the corresponding number of photovoltaic power generation devices in the wind-light power generation assembly to synchronously work;
the third power compensation scheme is used for controlling the corresponding number of wind power generation devices and the corresponding number of photovoltaic power generation devices in the wind-light power generation assembly to synchronously work;
the power compensation level is in direct proportion to the equipment work number of the wind-light power generation assembly, namely the number of wind power generation equipment synchronously operated by the first power compensation scheme is smaller than the number of wind power generation equipment synchronously operated by the second power compensation scheme, and the number of photovoltaic power generation equipment synchronously operated by the first power compensation scheme is smaller than the number of photovoltaic power generation equipment synchronously operated by the second power compensation scheme;
the number of wind power generation devices synchronously operated by the second power compensation scheme is smaller than that of wind power generation devices synchronously operated by the third power compensation scheme, and the number of photovoltaic power generation devices synchronously operated by the second power compensation scheme is smaller than that of photovoltaic power generation devices synchronously operated by the third power compensation scheme.
Further, the compensation control module is further used for performing fault early warning on the power compensation process of the energy storage device, generating a compensation normal signal or a compensation abnormal signal and feeding the compensation normal signal or the compensation abnormal signal back to the switch, the switch sends the compensation normal signal or the compensation abnormal signal to the display terminal, and the display terminal is further used for displaying the compensation normal signal or the compensation abnormal signal.
Further, the fault early warning process of the compensation control module is specifically as follows:
setting the response time of the energy storage equipment according to the electric power compensation level;
recording the generation time of the fan starting signal and the photovoltaic starting signal as signal generation time, and subtracting the signal generation time from the current time to obtain signal generation time of the fan starting signal and the photovoltaic starting signal;
if the signal generation time length is longer than or equal to the response time length corresponding to the energy storage equipment, generating a compensation abnormal signal;
if the signal generation time length is smaller than the response time length corresponding to the energy storage equipment, generating a compensation normal signal;
the first compensation level corresponds to a first response time period, the second compensation level corresponds to a second response time period, the third compensation level corresponds to a third response time period, the third response time period is smaller than the second response time period, and the second response time period is smaller than the first response time period.
In a second aspect, the wind-solar power generation energy storage equipment control compensation method based on power loss specifically comprises the following steps:
step S101, an energy storage monitoring module monitors energy storage equipment in real time, if a cooling adjusting signal or a temperature normal signal is generated, the energy storage equipment is sent to a temperature control module, the temperature control module adjusts the internal temperature of the equipment of the energy storage equipment, if a power sufficient signal, an on-demand compensation signal or a full-power compensation signal is generated, the energy storage equipment is sent to a dispatching analysis module, and the power loss rate of the energy storage equipment is sent to the dispatching analysis module;
step S102, the environment monitoring module collects working environment data of the position of the energy storage device and sends the working environment data to the environment analysis module, the environment analysis module analyzes the adaptation condition of the working of the wind-solar power generation assembly and the environment data of the position of the energy storage device, if a starting signal is generated, the working environment data is sent to the display terminal, and if a wind power starting signal or a photoelectric starting signal is generated, the working environment data is sent to the scheduling analysis module;
step S103, the scheduling analysis module analyzes the power compensation requirement of the energy storage equipment, and the power compensation grade of the energy storage equipment obtained through analysis is sent to the compensation control module;
step S104, the compensation control module performs power compensation on the energy storage equipment, and controls the wind-light power generation assembly to execute different power compensation schemes according to the power compensation level of the energy storage equipment;
step S105, the compensation control module also performs fault early warning on the power compensation process of the energy storage device, generates a compensation normal signal or a compensation abnormal signal and sends the compensation normal signal or the compensation abnormal signal to the display terminal, and the display terminal displays the unsuitable starting signal, the compensation normal signal or the compensation abnormal signal.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the intelligent temperature control method, the energy storage equipment is monitored in real time through the energy storage monitoring module, the temperature control module is used for adjusting the internal temperature of the equipment of the energy storage equipment when a temperature reduction adjusting signal or a temperature normal signal is generated in real time, the energy storage equipment is monitored in real time, a power sufficient signal is generated in real time, a compensation signal or a full-power compensation signal is sent to the scheduling analysis module, and the power loss rate of the energy storage equipment is sent to the scheduling analysis module;
2. according to the wind-solar power generation system, the environment analysis module analyzes the environment data of the position of the energy storage device and the working adaptation condition of the wind-solar power generation assembly, if a starting signal is generated, the wind-solar power generation system sends the wind-solar power generation system to the display terminal, if a wind-power starting signal or a photoelectric starting signal is generated, the wind-solar power generation system sends the wind-solar power generation system to the scheduling analysis module, the scheduling analysis module analyzes the power compensation requirement of the energy storage device, the power compensation grade of the energy storage device is obtained through analysis and sent to the compensation control module, the compensation control module performs power compensation on the energy storage device, and the wind-solar power generation assembly is controlled to execute different power compensation schemes according to the power compensation grade of the energy storage device.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is an overall system block diagram of the present invention;
FIG. 2 is a schematic diagram of the operation of the energy storage monitoring module of the present invention;
fig. 3 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 and 2, a wind-solar power generation energy storage device control compensation system based on power loss is now proposed, in this embodiment, an energy storage container is preferably used as an energy storage device, the energy storage device is usually an energy storage battery pack, a lifting small-sized power generation fan and a light polycrystalline solar photovoltaic panel are preferably used as a wind-solar power generation assembly, and the energy storage device and the wind-solar power generation assembly are in circuit connection; the system comprises an energy storage monitoring module, a temperature control module, an environment monitoring module, an environment analysis module, a scheduling analysis module, a compensation control module, a display terminal and a switch;
the energy storage monitoring module is used for monitoring the energy storage equipment in real time, and the working process of the module is specifically as follows:
monitoring the equipment internal temperature and the residual power reserve of the energy storage equipment in real time; in the actual working process, the energy storage device can be monitored in real time by displaying the residual electric quantity through a thermometer and a display of the energy storage device;
the energy storage container is characterized in that 50mm rock wool is arranged on the inner wall of the energy storage container to serve as a heat insulation layer, the heat insulation layer is used for isolating heat bridge effects inside and outside the energy storage container, the influence on the equipment internal temperature of energy storage equipment is avoided, and a temperature control module is further arranged inside the energy storage container and used for adjusting the equipment internal temperature of the energy storage equipment;
comparing the internal temperature of the energy storage device with an internal standard temperature interval:
if the numerical value of the internal temperature of the equipment does not belong to the internal standard temperature interval, comparing the positions of the internal temperature of the equipment and the internal standard temperature interval on the coordinate axis;
referring to fig. 3, if the internal temperature of the device is located at the left side of the internal standard temperature interval, a temperature rise adjusting signal is generated; if the internal temperature of the equipment is positioned at the right side of the internal standard temperature interval, generating a cooling adjusting signal;
if the numerical value of the internal temperature of the equipment belongs to the internal standard temperature interval, carrying out the subsequent steps;
reading the remaining power reserves SDi of the energy storage device at standard interval duration, i being a time sequence number of the remaining power reserves, i=1, 2, … …, z, z being a positive integer;
the power loss rate SV of the energy storage device is calculated according to the formula, which is specifically as follows:
comparing the remaining power reserve of the energy storage device to a power reserve threshold;
generating a power sufficient signal if the remaining power reserve is greater than a second power reserve threshold;
if the remaining electric power reserve is greater than the first electric power reserve threshold and less than or equal to the second electric power reserve threshold, generating an on-demand compensation signal;
generating a full force compensation signal if the remaining power reserve is less than or equal to a first power reserve threshold; wherein the first power reserve threshold is less than the second power reserve threshold;
the energy storage monitoring module sends the power sufficiency signal, the on-demand compensation signal or the full-force compensation signal and the power loss rate of the energy storage device to the switch, and the switch sends the power sufficiency signal, the on-demand compensation signal or the full-force compensation signal and the power loss rate of the energy storage device to the scheduling analysis module;
the energy storage monitoring module also sends a temperature rise adjusting signal or a temperature reduction adjusting signal to the temperature control module; the temperature control module adjusts the internal temperature of the energy storage equipment according to the temperature rise adjusting signal or the temperature reduction adjusting signal;
in this embodiment, the internal standard temperature interval is [ -20 ℃,50 ℃), when the internal temperature of the device is-30 ℃, the electrolyte in the energy storage device may be frozen, the internal temperature of the device needs to be increased, when the internal temperature of the device is 70 ℃, the internal temperature of the battery may occur in the energy storage device, the internal temperature of the device needs to be reduced, and the temperature control module adjusts the internal temperature of the device through air conditioning refrigeration and heating wires;
the environment monitoring module is used for collecting working environment data of the position of the energy storage device and sending the working environment data to the switch, the switch sends the working environment data to the environment analysis module, the working environment data comprises an environment wind speed value, an environment light intensity value and an environment temperature of the position of the energy storage device, the collecting area of the working environment data is a circular enclosed area taking the position of the energy storage device as a circle center and taking 50m as a radius, and in the actual working process, the working environment data of the energy storage device can be collected through the anemometer and the light intensity meter;
the environment analysis module is used for analyzing the adaptation condition of the environment data of the position where the energy storage device is located and the work of the wind-light power generation assembly, and the analysis process is specifically as follows:
reading working environment data of the energy storage equipment to obtain an environment wind speed value, environment illumination intensity and environment temperature of the position of the energy storage equipment;
respectively comparing the ambient temperature with the working temperature range of the wind-light power generation assembly;
if the value of the ambient temperature belongs to the working temperature range, carrying out the subsequent steps;
if the value of the ambient temperature does not belong to the working temperature interval, generating a start-unsuitable signal;
in the embodiment, the working temperature range of the wind-light power generation assembly is-30 ℃ to 70 ℃, and when the ambient temperature is-35 ℃ or 75 ℃, the wind-light power generation assembly may lose the normal working capacity due to the conditions of icing inside the assembly, burning of electronic elements and the like;
comparing the ambient wind speed value with a fan starting threshold value of the wind-light power generation assembly;
if the ambient wind speed value is smaller than the fan starting threshold value, no operation is performed;
if the ambient wind speed value is greater than or equal to the fan starting threshold value, generating a fan starting signal;
similarly, comparing the environmental light intensity value with a photovoltaic starting threshold value of the wind-light power generation assembly;
if the ambient light intensity value is smaller than the photovoltaic starting threshold value, no operation is performed;
if the ambient light intensity value is greater than or equal to the photovoltaic starting threshold value, generating a photovoltaic starting signal;
it should be further explained that the wind-solar power generation assembly includes a wind power generation device and a photovoltaic power generation device,
the starting wind speed of the wind power generation equipment is 2m/s, and the starting light intensity of the photovoltaic power generation equipment is 200W/square meter; when the ambient wind speed value is 0.5m/s, the ambient wind cannot drive the fan blades, the wind power generation equipment cannot work normally, and when the ambient light intensity value is 150W/square meter, the illumination intensity is too low, and the working efficiency of the photovoltaic power generation equipment is low;
the environment analysis module sends a non-suitable starting signal, a wind power starting signal or a photoelectric starting signal to the switch, the switch sends the wind power starting signal or the photoelectric starting signal to the scheduling analysis module, and meanwhile, the switch sends the non-suitable starting signal to the display terminal;
the scheduling analysis module is used for analyzing the power compensation requirement of the energy storage equipment, and the analysis process is specifically as follows:
when the power sufficient signal is received, no operation is performed;
when the on-demand compensation signal is received, the power loss rate of the energy storage device is read, and the power loss rate is compared with a power loss rate threshold:
if the power loss rate is less than or equal to the first power loss rate threshold, determining that the power compensation level of the energy storage device is the first power compensation level;
if the power loss rate is greater than the first power loss rate threshold and less than or equal to the second power loss rate threshold, determining that the power compensation level of the energy storage device is the second power compensation level;
if the power loss rate is greater than the second power loss rate threshold, determining that the power compensation level of the energy storage device is a third power compensation level;
when the full-force compensation signal is received, determining that the power compensation level of the energy storage device is a third compensation level;
wherein the values of the first power loss rate threshold and the second power loss rate threshold are both greater than zero and the first power loss rate threshold is less than the second power loss rate threshold, the level of the first power compensation level is less than the level of the second power compensation level, and the level of the second power compensation level is less than the level of the third power compensation level;
the scheduling analysis module sends the power compensation grade of the energy storage equipment to the switch, and the switch sends the power compensation grade of the energy storage equipment to the compensation control module;
the compensation control module is used for carrying out electric power compensation on the energy storage equipment, and the working process of the module is specifically as follows:
when the power compensation level of the energy storage equipment is the first power compensation level, controlling the wind-light power generation assembly to execute a first power compensation scheme;
when the power compensation level of the energy storage equipment is the second power compensation level, controlling the wind-light power generation assembly to execute a second power compensation scheme;
when the power compensation level of the energy storage equipment is the third power compensation level, controlling the wind-light power generation assembly to execute a third power compensation scheme;
it can be understood that the first power compensation scheme and the second power compensation scheme are used for controlling the corresponding number of wind power generation devices in the wind-light power generation assembly to synchronously work or controlling the corresponding number of photovoltaic power generation devices in the wind-light power generation assembly to synchronously work, and the third power compensation scheme is used for controlling the corresponding number of wind power generation devices in the wind-light power generation assembly and the corresponding number of photovoltaic power generation devices to synchronously work;
the power compensation level is in direct proportion to the equipment working number of the wind-light power generation assembly, namely the number of wind power generation equipment synchronously operated by the first power compensation scheme is smaller than the number of wind power generation equipment synchronously operated by the second power compensation scheme, the number of photovoltaic power generation equipment synchronously operated by the first power compensation scheme is smaller than the number of photovoltaic power generation equipment synchronously operated by the second power compensation scheme, the number of wind power generation equipment synchronously operated by the second power compensation scheme is smaller than the number of wind power generation equipment synchronously operated by the third power compensation scheme, and the number of photovoltaic power generation equipment synchronously operated by the second power compensation scheme is smaller than the number of photovoltaic power generation equipment synchronously operated by the third power compensation scheme;
for example, when the energy storage device is in the third power compensation scheme, the number of photovoltaic power generation devices that work synchronously is 6 and the number of wind power generation devices that work synchronously is 4, when the energy storage device is in the second power compensation scheme, the number of photovoltaic power generation devices that work synchronously is 3 or the number of wind power generation devices that work synchronously is 2, and when the energy storage device is in the first power compensation scheme, the number of photovoltaic power generation devices that work synchronously is 1 or the number of wind power generation devices that work synchronously is 1;
in practice, the setting parameters of the wind-light power generation assembly in the energy storage container are as follows:
further, the compensation control module is further used for performing fault early warning on the power compensation process of the energy storage device, and the fault early warning process is specifically as follows:
setting the response time of the energy storage equipment according to the electric power compensation level;
specifically, a first response time length corresponding to the first compensation level, a second response time length corresponding to the second compensation level, a third response time length corresponding to the third compensation level, wherein the third response time length is smaller than the second response time length, and the second response time length is smaller than the first response time length;
if all the equipment in the wind-solar power generation assembly is in a working state, no operation is performed;
if any one of the wind-solar power generation components is not in a working state, acquiring the generation time of a fan starting signal or a photovoltaic starting signal, recording the generation time as the signal generation time, and subtracting the signal generation time from the current time to obtain the signal generation time of the fan starting signal or the photovoltaic starting signal;
if the signal generation time length is longer than or equal to the response time length corresponding to the energy storage equipment, generating a compensation abnormal signal;
if the signal generation time length is smaller than the response time length corresponding to the energy storage equipment, generating a compensation normal signal;
the compensation control module feeds back a compensation normal signal or a compensation abnormal signal to the switch, the switch sends the compensation normal signal or the compensation abnormal signal to the display terminal, and the display terminal is used for displaying an unsuitable starting signal, the compensation normal signal or the compensation abnormal signal of the energy storage equipment;
in this embodiment, the compensation normal signal and the compensation abnormal signal are used to prompt the working state of the wind-solar power generation component of the staff, the compensation normal signal is that the power compensation of the energy storage device is in a normal compensation state, and the compensation abnormal signal is that the power compensation of the energy storage device is in an abnormal compensation state; the unsuitable start signal is used for representing that the energy storage equipment cannot perform power compensation through the wind-light power generation assembly in the current environment;
in the present application, if a corresponding calculation formula appears, the above calculation formulas are all dimensionality-removed and numerical calculation, and the size of the weight coefficient, the scale coefficient and other coefficients existing in the formulas is a result value obtained by quantizing each parameter, so long as the proportional relation between the parameter and the result value is not affected.
Example two
Based on another concept of the same invention, referring to fig. 3, a control compensation method of a wind-solar power generation energy storage device based on power loss is now proposed, and the method specifically comprises the following steps:
step S101, an energy storage monitoring module monitors an energy storage device in real time, monitors the device internal temperature and the residual power reserve of the energy storage device in real time, compares the device internal temperature of the energy storage device with an internal standard temperature interval, compares the positions of the device internal temperature and the internal standard temperature interval on a coordinate axis if the numerical value of the device internal temperature does not belong to the internal standard temperature interval, and generates a temperature rise adjusting signal if the device internal temperature is positioned at the left side of the internal standard temperature interval; if the internal temperature of the equipment is positioned on the right side of the internal standard temperature interval, generating a temperature-lowering regulating signal, if the numerical value of the internal temperature of the equipment belongs to the internal standard temperature interval, generating a temperature normal signal, reading the residual electric power reserve of the energy storage equipment at standard interval time, calculating the electric power loss rate of the energy storage equipment, comparing the residual electric power reserve of the energy storage equipment with an electric power reserve threshold value, if the residual electric power reserve is larger than a second electric power reserve threshold value, generating an electric power sufficiency signal, if the residual electric power reserve is larger than a first electric power reserve threshold value and smaller than or equal to the second electric power reserve threshold value, generating a demand compensation signal, if the residual electric power reserve is smaller than or equal to the first electric power reserve threshold value, generating a full-force compensation signal, transmitting the electric power sufficiency signal, the demand compensation signal or the full-force compensation signal and the electric power loss rate of the energy storage equipment to a switch by the switch, transmitting the electric power sufficiency signal, the demand compensation signal or the full-force compensation signal and the electric power loss rate of the energy storage equipment to a scheduling analysis module by the energy storage monitoring module, and transmitting the temperature-raising regulating signal or the temperature-lowering regulating signal to the temperature-lowering regulating module according to the temperature-raising regulating signal or the internal temperature-lowering regulating device of the energy storage equipment by the temperature-lowering regulating module;
step S102, an environment monitoring module collects working environment data of the position of the energy storage equipment and sends the working environment data to an environment analysis module through a switch, the environment analysis module analyzes the working adaptation condition of the wind-solar power generation assembly and the environment data of the position of the energy storage equipment, reads the working environment data of the energy storage equipment to obtain an environment wind speed value, an environment illumination intensity and an environment temperature of the position of the energy storage equipment, compares the environment temperature with a working temperature interval of the wind-solar power generation assembly respectively, generates a non-start signal if the value of the environment temperature does not belong to the working temperature interval, compares the environment wind speed value with a fan start threshold of the wind-solar power generation assembly if the value of the environment temperature belongs to the working temperature interval, does not operate if the value of the environment temperature does not belong to the working temperature interval, generates a fan start signal if the environment wind speed value is smaller than the fan start threshold, generates a fan start signal if the environment wind speed value is larger than or equal to the fan start threshold, and simultaneously sends the wind power generation signal to the scheduling terminal through the switch to display non-start signal;
step S103, the scheduling analysis module analyzes the power compensation requirement of the energy storage device, when a sufficient power signal is received, no operation is performed, when an on-demand compensation signal is received, the power loss rate of the energy storage device is read, the power loss rate is compared with a power loss rate threshold, if the power loss rate is smaller than or equal to a first power loss rate threshold, the power compensation level of the energy storage device is judged to be a first power compensation level, if the power loss rate is larger than the first power loss rate threshold and smaller than or equal to a second power loss rate threshold, the power compensation level of the energy storage device is judged to be a second power compensation level, if the power loss rate is larger than the second power loss rate threshold, the power compensation level of the energy storage device is judged to be a third power compensation level, when a full-power compensation signal is received, the power compensation level of the energy storage device is judged to be a third compensation level, and the scheduling analysis module sends the power compensation level of the energy storage device to the compensation control module through a switch;
step S104, the compensation control module performs power compensation on the energy storage equipment, when the power compensation level of the energy storage equipment is a first power compensation level, the wind-light power generation assembly is controlled to execute a first power compensation scheme, when the power compensation level of the energy storage equipment is a second power compensation level, the wind-light power generation assembly is controlled to execute a second power compensation scheme, and when the power compensation level of the energy storage equipment is a third power compensation level, the wind-light power generation assembly is controlled to execute a third power compensation scheme;
step S105, the compensation control module also performs fault early warning on the power compensation process of the energy storage equipment, sets response time of the energy storage equipment according to the power compensation grade, does not perform any operation if all equipment in the wind-light power generation assembly is in a working state, obtains generation time of a fan starting signal or a photovoltaic starting signal and records the generation time as signal generation time if any equipment in the wind-light power generation assembly is not in the working state, obtains signal generation time of the fan starting signal or the photovoltaic starting signal by subtracting the signal generation time from the current time, generates a compensation abnormal signal if the signal generation time is greater than or equal to the response time corresponding to the energy storage equipment, generates a compensation normal signal if the signal generation time is less than the response time corresponding to the energy storage equipment, and transmits the compensation normal signal or the compensation abnormal signal to the display terminal through the switch, wherein the display terminal displays the unsuitable starting signal, the compensation normal signal or the compensation abnormal signal of the energy storage equipment.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The wind-solar power generation energy storage equipment control compensation system based on the power loss is characterized by comprising an energy storage monitoring module, a temperature control module, an environment monitoring module, an environment analysis module, a scheduling analysis module, a compensation control module, a display terminal and a switch, wherein the energy storage monitoring module is used for monitoring the energy storage equipment in real time, and sending the temperature control module if a temperature rise adjusting signal or a temperature reduction adjusting signal is generated; if the power sufficient signal, the on-demand compensation signal or the full-power compensation signal is generated, the power sufficient signal, the on-demand compensation signal or the full-power compensation signal is sent to the switch, and meanwhile, the power loss rate of the energy storage equipment is also sent to the switch; the temperature control module adjusts the internal temperature of the energy storage equipment according to the temperature rise adjusting signal or the temperature reduction adjusting signal; the switch sends the power sufficient signal, the on-demand compensation signal or the full-power compensation signal and the power loss rate of the energy storage device to the scheduling analysis module;
the environment monitoring module is used for collecting working environment data of the energy storage equipment and sending the working environment data to the environment analysis module through the switch, wherein the working environment data are an environment wind speed value, an environment light intensity value and an environment temperature of the position where the energy storage equipment is located; the environment analysis module is used for analyzing the adaptation condition of the environment data of the position where the energy storage device is located and the work of the wind-light power generation assembly, and the analysis process is specifically as follows:
reading working environment data of the energy storage equipment to obtain an ambient wind speed value, ambient illumination intensity and ambient temperature of an ambient environment of the energy storage equipment;
respectively comparing the ambient temperature with the working temperature range of the wind-light power generation assembly;
if the value of the ambient temperature belongs to the working temperature range, carrying out the subsequent steps;
if the value of the ambient temperature does not belong to the working temperature interval, generating a start-unsuitable signal;
comparing the ambient wind speed value with a fan starting threshold value of the wind-light power generation assembly;
if the ambient wind speed value is smaller than the fan starting threshold value, no operation is performed;
if the ambient wind speed value is greater than or equal to the fan starting threshold value, generating a fan starting signal;
similarly, comparing the environmental light intensity value with a photovoltaic starting threshold value of the wind-light power generation assembly;
if the ambient light intensity value is smaller than the photovoltaic starting threshold value, no operation is performed;
if the ambient light intensity value is greater than or equal to the photovoltaic starting threshold value, generating a photovoltaic starting signal; the wind-solar power generation assembly comprises wind power generation equipment and photovoltaic power generation equipment;
if the wind power starting signal or the photoelectric starting signal is generated, the wind power starting signal or the photoelectric starting signal is sent to the scheduling analysis module through the switch, and if the unsuitable starting signal is generated, the wind power starting signal or the photoelectric starting signal is sent to the display terminal through the switch;
the scheduling analysis module is used for analyzing the power compensation requirement of the energy storage equipment, and the analysis process is specifically as follows:
when the power sufficient signal is received, no operation is performed;
when the on-demand compensation signal is received, the power loss rate of the energy storage device is read, and the power loss rate is compared with a power loss rate threshold:
if the power loss rate is less than or equal to the first power loss rate threshold, determining that the power compensation level of the energy storage device is the first power compensation level;
if the power loss rate is greater than the first power loss rate threshold and less than or equal to the second power loss rate threshold, determining that the power compensation level of the energy storage device is the second power compensation level;
if the power loss rate is greater than the second power loss rate threshold, determining that the power compensation level of the energy storage device is a third power compensation level;
when the full-force compensation signal is received, determining that the power compensation level of the energy storage device is a third compensation level;
wherein the values of the first power loss rate threshold and the second power loss rate threshold are both greater than zero and the first power loss rate threshold is less than the second power loss rate threshold, the level of the first power compensation level is less than the level of the second power compensation level, and the level of the second power compensation level is less than the level of the third power compensation level;
the scheduling analysis module is used for sending the power compensation grade of the energy storage equipment obtained through analysis to the compensation control module through the switch; the compensation control module is used for carrying out power compensation on the energy storage equipment; the display terminal is used for displaying the unsuitable starting signal.
2. The wind-solar power generation energy storage equipment control compensation system based on power loss according to claim 1, wherein the working process of the energy storage monitoring module is specifically as follows:
monitoring the equipment internal temperature and the residual power reserve of the energy storage equipment in real time;
comparing the internal temperature of the energy storage device with an internal standard temperature interval:
if the numerical value of the internal temperature of the equipment does not belong to the internal standard temperature interval, comparing the positions of the internal temperature of the equipment and the internal standard temperature interval on the coordinate axis;
if the internal temperature of the equipment is positioned at the left side of the internal standard temperature interval, generating a temperature rise adjusting signal, and if the internal temperature of the equipment is positioned at the right side of the internal standard temperature interval, generating a temperature reduction adjusting signal;
if the numerical value of the internal temperature of the equipment belongs to an internal standard temperature interval, reading the residual power reserve of the energy storage equipment at a standard interval duration, and calculating the power loss rate of the energy storage equipment;
comparing the remaining power reserve of the energy storage device to a power reserve threshold;
generating a power sufficient signal if the remaining power reserve is greater than the second power reserve threshold, generating an on-demand compensation signal if the remaining power reserve is greater than the first power reserve threshold and less than or equal to the second power reserve threshold, and generating a full power compensation signal if the remaining power reserve is less than or equal to the first power reserve threshold; wherein the first power reserve threshold is less than the second power reserve threshold.
3. The wind-solar power generation energy storage equipment control compensation system based on power loss according to claim 1, wherein the working process of the compensation control module is specifically as follows:
when the power compensation level of the energy storage equipment is the first power compensation level, controlling the wind-light power generation assembly to execute a first power compensation scheme;
when the power compensation level of the energy storage equipment is the second power compensation level, controlling the wind-light power generation assembly to execute a second power compensation scheme;
and when the power compensation level of the energy storage device is the third power compensation level, controlling the wind-light power generation assembly to execute a third power compensation scheme.
4. The wind-solar power generation energy storage equipment control compensation system based on power loss according to claim 3, wherein the first power compensation scheme and the second power compensation scheme are used for controlling a corresponding number of wind power generation equipment in the wind-solar power generation assembly to synchronously work or controlling a corresponding number of photovoltaic power generation equipment in the wind-solar power generation assembly to synchronously work;
the third power compensation scheme is used for controlling the corresponding number of wind power generation devices and the corresponding number of photovoltaic power generation devices in the wind-light power generation assembly to synchronously work;
the power compensation level is in direct proportion to the equipment work number of the wind-light power generation assembly, namely the number of wind power generation equipment synchronously operated by the first power compensation scheme is smaller than the number of wind power generation equipment synchronously operated by the second power compensation scheme, and the number of photovoltaic power generation equipment synchronously operated by the first power compensation scheme is smaller than the number of photovoltaic power generation equipment synchronously operated by the second power compensation scheme;
the number of wind power generation devices synchronously operated by the second power compensation scheme is smaller than that of wind power generation devices synchronously operated by the third power compensation scheme, and the number of photovoltaic power generation devices synchronously operated by the second power compensation scheme is smaller than that of photovoltaic power generation devices synchronously operated by the third power compensation scheme.
5. The wind-solar power generation energy storage device control compensation system based on power loss according to claim 1, wherein the compensation control module is further configured to perform fault pre-warning on a power compensation process of the energy storage device, generate a compensation normal signal or a compensation abnormal signal, feed back the compensation normal signal or the compensation abnormal signal to the switch, send the compensation normal signal or the compensation abnormal signal to the display terminal, and the display terminal is further configured to display the compensation normal signal or the compensation abnormal signal.
6. The wind-solar power generation energy storage equipment control compensation system based on power loss according to claim 5, wherein the fault early warning process of the compensation control module is specifically as follows:
setting the response time of the energy storage equipment according to the electric power compensation level;
recording the generation time of the fan starting signal and the photovoltaic starting signal as signal generation time, and subtracting the signal generation time from the current time to obtain signal generation time of the fan starting signal and the photovoltaic starting signal;
if the signal generation time length is longer than or equal to the response time length corresponding to the energy storage equipment, generating a compensation abnormal signal;
if the signal generation time length is smaller than the response time length corresponding to the energy storage equipment, generating a compensation normal signal;
the first compensation level corresponds to a first response time period, the second compensation level corresponds to a second response time period, the third compensation level corresponds to a third response time period, the third response time period is smaller than the second response time period, and the second response time period is smaller than the first response time period.
7. The wind-solar power generation energy storage equipment control compensation method based on power loss is characterized by combining the wind-solar power generation energy storage equipment control compensation system based on power loss as claimed in any one of claims 1-6, and the method comprises the following steps:
step S101, an energy storage monitoring module monitors energy storage equipment in real time, if a cooling adjusting signal or a temperature normal signal is generated, the energy storage equipment is sent to a temperature control module, the temperature control module adjusts the internal temperature of the equipment of the energy storage equipment, if a power sufficient signal, an on-demand compensation signal or a full-power compensation signal is generated, the energy storage equipment is sent to a dispatching analysis module, and the power loss rate of the energy storage equipment is sent to the dispatching analysis module;
step S102, the environment monitoring module collects working environment data of the position of the energy storage device and sends the working environment data to the environment analysis module, the environment analysis module analyzes the adaptation condition of the working of the wind-solar power generation assembly and the environment data of the position of the energy storage device, if a starting signal is generated, the working environment data is sent to the display terminal, and if a wind power starting signal or a photoelectric starting signal is generated, the working environment data is sent to the scheduling analysis module;
step S103, the scheduling analysis module analyzes the power compensation requirement of the energy storage equipment, and the power compensation grade of the energy storage equipment obtained through analysis is sent to the compensation control module;
step S104, the compensation control module performs power compensation on the energy storage equipment, and controls the wind-light power generation assembly to execute different power compensation schemes according to the power compensation level of the energy storage equipment;
step S105, the compensation control module also performs fault early warning on the power compensation process of the energy storage device, generates a compensation normal signal or a compensation abnormal signal and sends the compensation normal signal or the compensation abnormal signal to the display terminal, and the display terminal displays the unsuitable starting signal, the compensation normal signal or the compensation abnormal signal.
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