CN114204575A - Industrial discharge control system based on Windows - Google Patents
Industrial discharge control system based on Windows Download PDFInfo
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- CN114204575A CN114204575A CN202210139633.5A CN202210139633A CN114204575A CN 114204575 A CN114204575 A CN 114204575A CN 202210139633 A CN202210139633 A CN 202210139633A CN 114204575 A CN114204575 A CN 114204575A
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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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- 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
- H02J13/00002—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 monitoring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
Abstract
The invention relates to an industrial discharge control system based on Windows, in particular to the technical field of industrial energy storage, which comprises an input module, a monitoring module and a control module, wherein the input module is used for inputting a peak power utilization period, a flat power utilization period and a valley power utilization period in one day and is connected with the monitoring module; the monitoring module is used for monitoring and acquiring the total load power of the industrial equipment and the electric energy stored by the energy storage equipment in real time and is connected with the analysis module; the analysis module is used for analyzing the data acquired by monitoring and is connected with the control module; the control module is used for controlling the input and the output of the electric energy of the energy storage equipment according to the data analysis result and is connected with the early warning module; the early warning module is used for carrying out corresponding early warning according to the electric energy output data of the energy storage equipment, and the early warning module carries out early warning according to the residual electric energy P of the energy storage equipment after the peak power utilization period in the period. The invention effectively improves the discharge efficiency of the energy storage equipment.
Description
Technical Field
The invention relates to the technical field of industrial energy storage, in particular to an industrial discharge control system based on Windows.
Background
The energy storage device is mainly used for power supply and energy storage in the fields of solar energy, wind energy, power grids and the like. The energy storage products comprise miniature and small energy storage equipment, standard cabinet type energy storage equipment, container type energy storage equipment, large and ultra-large integrated energy storage equipment and the like. At present, domestic industrial electricity and non-residential electricity mostly adopt a time-of-use electricity price charging strategy, and in order to reduce the electricity consumption in peak periods in industrial production, energy storage equipment is generally required to store energy in valley periods and discharge in peak periods so as to reduce the electricity consumption in peak periods.
Chinese patent publication No.: CN109245140A discloses an industrial energy storage system for time-sharing electricity price and a charging and discharging strategy thereof, wherein the disclosed charging and discharging strategy only compares the output power of the energy storage device with the power required by the load for discharging, so that although the scheme can discharge at the peak to reduce the power consumption, the discharging process of the energy storage device cannot be accurately controlled, which affects the discharging efficiency of the energy storage device.
Disclosure of Invention
Therefore, the invention provides an industrial discharge control system based on Windows, which is used for solving the problem of low discharge efficiency caused by the fact that the discharge process of energy storage equipment cannot be accurately controlled in the prior art.
To achieve the above objects, the present invention provides a Windows-based industrial discharge control system, comprising,
the input module is used for inputting peak electricity utilization time, flat electricity utilization time and valley electricity utilization time in one day;
the monitoring module is connected with the input module and is used for monitoring and acquiring the total load power of the industrial equipment and the electric energy stored by the energy storage equipment in real time;
the analysis module is connected with the monitoring module and is used for analyzing the data acquired by monitoring;
the control module is connected with the analysis module and used for controlling the input and output of the electric energy of the energy storage equipment according to a data analysis result, when the control module controls the input of the electric energy of the energy storage equipment, the control module controls the energy storage process of the energy storage equipment in a low-valley electricity utilization period according to a low-valley electricity storage quantity G and controls the energy storage process of the energy storage equipment in a flat-section electricity utilization period according to a total electricity storage quantity G0, when the control module controls the output of the electric energy of the energy storage equipment, the control module controls the electric energy output process of the energy storage equipment in a peak electricity utilization period according to the maximum output power Wc of the energy storage equipment, and meanwhile, the control module adjusts the output power of the energy storage equipment in a peak electricity utilization period according to the load power change monitored by the monitoring module;
and the early warning module is connected with the control module and used for carrying out corresponding early warning according to the electric energy output data of the energy storage equipment, and the early warning module carries out early warning according to the residual electric energy P of the energy storage equipment after the peak power utilization period in the period so that the control module adjusts the electric storage quantity of the energy storage equipment in the next period according to an early warning result.
Further, when performing data analysis, the analysis module obtains a time length t1 of a peak power utilization period, a time length t2 of a flat power utilization period, and a time length t3 of a valley power utilization period, calculates a valley power storage amount G, sets G = Wa × t3, Wa is input power of the energy storage device, compares the calculated valley power storage amount G with a total power storage amount G0 of the energy storage device, and determines an energy storage state of the energy storage device according to a comparison result, wherein,
when G is less than G0, the analysis module judges that the energy storage device is insufficient in the valley power utilization period;
when G is larger than or equal to G0, the analysis module judges that the energy storage device is full of electric energy in the valley power consumption period, and the control module controls the energy storage device to store energy in the valley power consumption period and stops storing energy after the electric energy is full of electric energy.
Further, when the analysis module determines that the energy storage is insufficient, the analysis module compares the calculated low-valley electricity storage amount G with the high-peak electricity consumption amount Ga, and sets Ga = Wb × t1, where Wb is a load power, and the control module controls the energy storage device to store energy according to a comparison result, where,
when G is less than Ga, the control module controls the energy storage device to store energy to G in the valley power utilization period and controls the energy storage device to store energy in the flat power utilization period;
when G is larger than or equal to Ga, the control module controls the energy storage device to store energy to Ga in the valley power utilization period.
Further, when the control module controls the energy storage device to store energy during the flat-segment electricity utilization period, the analysis module compares the total electricity storage amount G0 with the peak electricity consumption amount Ga, and the control module controls the energy storage process of the energy storage device during the flat-segment electricity utilization period according to the comparison result, wherein,
when G0 is less than Ga, the control module controls the energy storage device to store energy to Gb in a flat power utilization period, and Gb = G0-G is set;
when G0 is larger than or equal to Ga, the control module controls the energy storage device to store energy to Gc in the flat power utilization period, and Gc = Ga-G is set.
Further, when the control module controls the energy storage device to output electric energy, the analysis module compares the maximum output power Wc of the energy storage device with the load power Wb, and the control module controls the energy storage device to output electric energy in a peak power utilization period according to a comparison result, wherein,
when Wc is less than Wb, the control module controls the energy storage device to output with power Wc in a peak power utilization period, and controls a power grid power supply to input electric energy to the industrial equipment with power Wd, and Wd = Wb-Wc is set;
and when Wc is greater than or equal to Wb, the control module controls the energy storage equipment to output with power Wb in the peak power utilization period.
Further, the monitoring module monitors the load power change in the peak power utilization period in real time, records the changed load power as Δ Wb, the analysis module is provided with a load change value Wm, set Wm =Δwb-Wb, and the control module adjusts the output power of the energy storage device in the peak power utilization period according to the load change value, wherein,
when Wm is less than 0, the control module judges that the load power is reduced and reduces the output power of the energy storage device;
when Wm =0, the control module judges that the load power is not changed and does not adjust;
and when Wm is larger than 0, the control module judges that the load power is increased and improves the output power of the energy storage device.
Further, when the control module reduces the output power of the energy storage device, the control module adjusts the output power of the energy storage device during the peak power period according to the comparison result between the maximum output power Wc of the energy storage device and the load power Wb, wherein,
when Wc is less than Wb, the control module compares an absolute value | Wm | of a load change value with the output power Wd of the power grid power supply, and adjusts according to a comparison result, if | Wm | is less than Wd, the control module adjusts the output power of the power grid power supply to Wd ', and sets Wd' = Wd- | Wm |; if the | Wm | > is more than or equal to Wd, the control module stops the electric energy input of the power grid power supply, adjusts the output power of the energy storage device in the peak power utilization period to be W1, and sets W1= Wc- | Wm | + Wd;
when Wc is larger than or equal to Wb, the control module adjusts the output power of the energy storage device in the peak power utilization period to W2, and W2= Wb- | Wm |.
Further, when the control module increases the output power of the energy storage device, the control module adjusts the output power of the energy storage device in the peak power utilization period according to the comparison result of the maximum output power Wc of the energy storage device and the load power Wb, wherein,
when Wc < Wb, the control module adjusts the output power of the power grid power supply to W = Wd + Wm;
when Wc is larger than or equal to Wb, the control module adjusts output power of the energy storage device to be W3 in peak power utilization time, W3= Wb + Wm is set, when W3 is larger than Wc, the control module controls the energy storage device to output power Wc in peak power utilization time, and controls a power grid power supply to input electric energy to industrial equipment in power Wk, and Wk = W3-Wc is set.
Further, the early warning module takes one day as a cycle period of the energy storage device, and performs early warning according to the electric energy storage and consumption condition of the energy storage device in the cycle, the early warning module acquires the residual electric energy P of the energy storage device after the peak power utilization period in the cycle, and performs corresponding early warning according to the residual electric energy P, wherein,
when P =0, the early warning module performs early warning according to the total power consumption L of the energy storage device in the peak power utilization period;
when P is larger than 0, the early warning module judges that the energy storage device stores excessive energy, and gives an early warning to reduce the energy storage amount of the energy storage device in the next period so as to avoid the energy storage device storing excessive energy in the next period.
Further, when P =0, the early warning module compares the total power consumption L of the energy storage device in the peak power consumption period with the total power consumption P of the load in the peak power consumption period, and performs early warning according to a comparison result, wherein,
when L = P, the early warning module judges that the electric storage capacity of the energy storage equipment meets the requirement;
when L < P, if energy storage equipment's electric storage capacity has reached total electric storage capacity G0, the early warning module judges energy storage equipment's energy storage process satisfies the requirement, if energy storage equipment's electric storage capacity does not reach total electric storage capacity G0, the early warning module early warning next cycle increases energy storage equipment's electric storage capacity to make in the next cycle L = P or energy storage equipment's electric storage capacity reaches total electric storage capacity G0.
Compared with the prior art, the invention has the advantages that the analysis module can effectively analyze whether the energy storage of the energy storage device in the low-trough power utilization period meets the requirement or not by calculating the low-trough power storage amount G and comparing the low-trough power storage amount G with the total power storage amount G0 of the energy storage device, if the low-trough power storage amount G is less than the total power storage amount G0, the low-trough power utilization period is proved to have insufficient energy storage, further energy storage in the flat-section power utilization period is required to meet the discharge requirement of the energy storage device in the high-peak power utilization period, so that the discharge efficiency of the energy storage device is improved, if the low-trough power storage amount G is more than the total power storage amount G0, the energy storage device can be proved to be full in the low-trough power utilization period without further power storage in the flat-section power utilization period, the analysis module can effectively improve the energy storage efficiency of the energy storage device by analyzing the power storage amount of the energy storage device, thereby further improving the discharge efficiency of the energy storage device.
Particularly, when the analysis module judges that the energy storage of the energy storage device is insufficient in the valley power utilization period, the analysis module compares the valley power storage amount G with the peak power consumption amount Ga to enable the control module to accurately control the energy storage process of the energy storage device so as to enable the stored energy to meet the requirement, thereby further improving the power generation efficiency of the energy storage device, if the valley power storage amount G is smaller than the peak power consumption amount Ga, the energy storage device is proved to be required to store energy in the flat power utilization period so as to meet the discharge requirement, otherwise, the energy storage device is proved to be not full of stored energy in the valley power utilization period but enough to meet the discharge requirement, the control module controls the energy storage process of the energy storage device in the valley power utilization period according to the peak power consumption amount Ga so as to improve the power storage efficiency, thereby further improving the discharge efficiency of the energy storage device, and when the energy storage device is required to store energy in the flat power utilization period, the analysis module is through comparing total power storage G0 with peak power consumption Ga to make control module accurate control energy storage equipment's energy storage process, when total power storage G0 is less than peak power consumption Ga, prove that energy storage equipment's power storage can't satisfy the demand of discharging, should at this moment with energy storage equipment's electric energy storage is full in the flat section power consumption period, so that efficiency of discharging reaches the biggest, if total power storage G0 is more than peak power consumption Ga, then need not to with in the flat section power consumption period energy storage equipment's electric energy storage is full, only need satisfy peak power consumption demand can, through accurate control energy storage equipment is in the energy storage process of flat section power consumption period, can further improve energy storage equipment's efficiency of discharging.
Particularly, when the control module controls the energy storage device to output electric energy in a peak power utilization period, the analysis module compares the maximum output power Wc of the energy storage device with the load power Wb so that the control module controls the discharge process of the energy storage device, if the maximum output power Wc is less than the load power Wb, the output power of the energy storage device cannot meet the discharge requirement, the control module controls the energy storage device to output the electric energy at the maximum power so that the discharge efficiency can be maximized, meanwhile, the operation of the industrial device can be effectively guaranteed by controlling the input of the power supply of the power grid, if the maximum output power Wc is higher than the load power Wb, the control module can meet the operation requirement of the industrial device by setting the output power of the energy storage device as the load power Wb, and the control module accurately controls the discharge process of the energy storage device in a high peak power utilization period, the discharge efficiency of the energy storage device is further improved.
Particularly, the monitoring module monitors the load change in real time to enable the control module to accurately adjust the output power of the energy storage device, so that the discharge efficiency of the energy storage device is further improved, when the load change value is smaller than 0, the load power is proved to be reduced, the discharge efficiency of the energy storage device can be further improved by reducing the output power, when the load change value is larger than 0, the load power is proved to be increased, and the control module improves the discharge efficiency of the energy storage device by improving the output power of the energy storage device.
Particularly, when the output power of the energy storage device is reduced, the control module controls according to a comparison result of the maximum output power Wc and the load power Wb, if the maximum output power Wc is smaller than the load power Wb, the output power of the power grid power supply is firstly reduced, and then the output power of the energy storage device is reduced, so that the reduced output power meets the discharge requirement, if the maximum output power Wc is higher than the load power Wb, the requirement can be met only by reducing the output power of the energy storage device, and the control module further meets the power consumption requirement of the industrial device and further improves the discharge efficiency of the energy storage device by reducing the output power of the power grid power supply or the energy storage device; and when the output power of the energy storage device is increased, the control module also controls according to a comparison result of the maximum output power Wc and the load power Wb, if the maximum output power Wc is smaller than the load power Wb, the power consumption requirement of the industrial device can be met only by increasing the output power of the power grid power supply, and if the maximum output power Wc is higher than the load power Wb, the output power of the energy storage device is increased firstly, and then the output power of the power grid power supply is increased, so that the discharge efficiency of the energy storage device is optimal.
Particularly, the early warning module performs early warning according to the electric energy storage and consumption condition of the energy storage device in the period, the discharge efficiency of the energy storage device in the next period is improved through early warning, if the residual electric energy P of the energy storage device after the peak electricity utilization period is over 0, the energy storage device needs to be further analyzed according to the total electricity consumption L of the peak electricity utilization period, so as to improve the accuracy of the early warning, if the residual electric energy P of the energy storage device after the peak electricity utilization period is over 0, the stored electric energy in the energy storage device is proved to be larger than the electricity utilization requirement of the industrial device, the early warning module performs excessive energy storage early warning to reduce the stored energy of the energy storage device in the next period so as to improve the discharge efficiency of the energy storage device, when the residual electric energy P is over 0, the early warning module compares the total electricity consumption L of the energy storage device with the total electricity consumption P of the load, if L is equal to P, if L is smaller than P, the discharge capacity of the energy storage device cannot meet the requirement, early warning is needed according to the energy storage condition of the energy storage device, if the energy storage capacity of the energy storage device reaches the total energy storage capacity G0, the discharge efficiency of the energy storage device is maximized, otherwise, early warning is conducted, so that the energy storage capacity of the energy storage device in the next period is improved, and the discharge efficiency of the energy storage device is further improved.
Drawings
Fig. 1 is a structural framework diagram of the Windows-based industrial discharge control system according to the present embodiment.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, which is a structural framework diagram of the Windows-based industrial discharge control system of the present embodiment, the system includes,
the input module is used for inputting peak electricity utilization time, flat electricity utilization time and valley electricity utilization time in one day and is connected with the monitoring module;
the monitoring module is used for monitoring and acquiring the total load power of the industrial equipment and the electric energy stored by the energy storage equipment in real time and is connected with the analysis module;
the analysis module is used for analyzing the data acquired by monitoring and is connected with the control module;
the control module is used for controlling the input and the output of the electric energy of the energy storage equipment according to the data analysis result and is connected with the early warning module;
and the early warning module is used for carrying out corresponding early warning according to the electric energy output data of the energy storage equipment.
Specifically, the system of the embodiment can be applied to a Windows system or other control systems, and the discharging process of the energy storage device is accurately controlled by monitoring and analyzing data of the energy storage device and the industrial device, so that the discharging efficiency of the energy storage device in a high-peak electricity utilization period is improved, the input amount of grid electric energy of the industrial device in a high-peak electricity utilization period is reduced, and the cost is reduced.
Specifically, when performing data analysis, the analysis module first obtains a time length t1 of a peak power utilization period, a time length t2 of a flat power utilization period, and a time length t3 of a valley power utilization period, and calculates a valley power storage amount G, where the valley power storage amount is the electric energy stored by the energy storage device in the valley power utilization period, G = Wa × t3 is set, Wa is the input power of the energy storage device, the analysis module compares the calculated valley power storage amount G with a total power storage amount G0 of the energy storage device, and determines the energy storage state of the energy storage device according to a comparison result, where,
when G is less than G0, the analysis module judges that the energy storage device is insufficient in the valley power utilization period;
when G is larger than or equal to G0, the analysis module judges that the energy storage device is full of electric energy in the valley power consumption period, and the control module controls the energy storage device to store energy in the valley power consumption period and stops storing energy after the electric energy is full of electric energy.
Specifically, the analysis module in this embodiment calculates the valley power storage amount G and compares it with the total power storage amount G0 of the energy storage device, whether the energy storage of the energy storage device in the valley power utilization period meets the requirement can be effectively analyzed, if the valley power storage G is less than the total power storage G0, the energy storage is proved to be insufficient in the low-valley power utilization period, and the energy storage needs to be further carried out in the flat-segment power utilization period so as to meet the discharge requirement of the energy storage equipment in the high-peak power utilization period, thereby improving the discharge efficiency of the energy storage device, if the valley power storage G is above the total power storage G0, the energy storage device is proved to be capable of fully storing the electric quantity in the valley power utilization period without further power storage in the flat power utilization period, the analysis module analyzes the electric quantity stored by the energy storage device, the energy storage efficiency of the energy storage device can be effectively improved, and therefore the discharge efficiency of the energy storage device is further improved.
Specifically, when the analysis module determines that the energy storage is insufficient, the analysis module compares the calculated low-valley electricity storage amount G with the high-peak electricity consumption amount Ga, and sets Ga = Wb × t1, where Wb is the load power, and the control module controls the energy storage device to store energy according to the comparison result, where,
when G is less than Ga, the control module controls the energy storage device to store energy to G in the valley power utilization period and controls the energy storage device to store energy in the flat power utilization period;
when G is larger than or equal to Ga, the control module controls the energy storage device to store energy to Ga in the valley power utilization period.
Specifically, when the control module controls the energy storage device to store energy during the flat-segment electricity utilization period, the analysis module compares the total electricity storage amount G0 with the peak electricity consumption amount Ga, and the control module controls the energy storage process of the energy storage device during the flat-segment electricity utilization period according to the comparison result, wherein,
when G0 is less than Ga, the control module controls the energy storage device to store energy to Gb in a flat power utilization period, and Gb = G0-G is set;
when G0 is larger than or equal to Ga, the control module controls the energy storage device to store energy to Gc in the flat power utilization period, and Gc = Ga-G is set.
Specifically, in this embodiment, when it is determined that the energy storage device has insufficient energy storage in the valley power consumption period, the analysis module compares the valley energy storage amount G with the peak power consumption amount Ga to enable the control module to accurately control the energy storage process of the energy storage device, so that the stored energy meets the requirement, thereby further improving the power generation efficiency of the energy storage device, if the valley energy storage amount G is smaller than the peak power consumption amount Ga, it is proved that the energy storage device still needs to store energy in the flat power consumption period to meet the discharge requirement, otherwise, it is proved that the energy storage device is not full in energy storage in the valley power consumption period, but the stored energy amount is enough to meet the discharge requirement, the control module controls the energy storage process of the energy storage device in the valley power consumption period according to the peak power consumption amount Ga, thereby improving the power storage efficiency, further improving the discharge efficiency of the energy storage device, and, work as energy storage equipment need when the energy storage is carried out in flat section power consumption period, analysis module is through comparing total stored energy G0 and peak power consumption Ga to make control module accurate control energy storage equipment's energy storage process, when total stored energy G0 is less than peak power consumption Ga, prove that energy storage equipment's stored energy can't satisfy the demand of discharging, should at this moment with in flat section power consumption period energy storage equipment's electric energy storage is full, so that discharge efficiency reaches the biggest, if total stored energy G0 is more than peak power consumption Ga, then need not with in flat section power consumption period energy storage equipment's electric energy storage is full, only need satisfy peak power consumption demand can, through accurate control energy storage equipment is in the energy storage process in flat section power consumption period, can further improve energy storage equipment's discharge efficiency.
Specifically, after the control module controls the energy storage device to store energy, the analysis module compares the maximum output power Wc of the energy storage device with the load power Wb, and the control module controls the energy storage device to output electric energy in a peak power utilization period according to a comparison result, wherein,
when Wc is less than Wb, the control module controls the energy storage device to output with power Wc in a peak power utilization period, and controls a power grid power supply to input electric energy to the industrial equipment with power Wd, and Wd = Wb-Wc is set;
and when Wc is greater than or equal to Wb, the control module controls the energy storage equipment to output with power Wb in the peak power utilization period.
Specifically, in this embodiment, when the control module controls the energy storage device to output electric energy during the peak power consumption period, the analysis module compares the maximum output power Wc of the energy storage device with the load power Wb to enable the control module to control the discharging process of the energy storage device, if the maximum output power Wc is less than the load power Wb, the output power of the energy storage device cannot meet the discharging requirement, the control module controls the energy storage device to output the electric energy at the maximum power to maximize the discharging efficiency, and simultaneously, the control module effectively ensures the operation of the industrial device by controlling the input of the grid power source, if the maximum output power Wc is greater than the load power Wb, the control module can meet the operating requirement of the industrial device by setting the output power of the energy storage device as the load power Wb, and the control module precisely controls the discharging process of the energy storage device during the high peak power consumption period, the discharge efficiency of the energy storage device is further improved.
Specifically, the monitoring module monitors the load power change in the peak power utilization period in real time, records the changed load power as Δ Wb, the analysis module is provided with a load change value Wm, set Wm =Δwb-Wb, and the control module adjusts the output power of the energy storage device in the peak power utilization period according to the load change value, wherein,
when Wm is less than 0, the control module judges that the load power is reduced and reduces the output power of the energy storage device;
when Wm =0, the control module judges that the load power is not changed and does not adjust;
and when Wm is larger than 0, the control module judges that the load power is increased and improves the output power of the energy storage device.
Specifically, in this embodiment, the monitoring module monitors the load change in real time, so that the control module accurately adjusts the output power of the energy storage device, thereby further improving the discharge efficiency of the energy storage device, when the load change value is smaller than 0, it is proved that the load power becomes smaller, the energy storage device can further improve the discharge efficiency by reducing the output power, when the load change value is larger than 0, it is proved that the load power is increased, and the control module improves the output power of the energy storage device, so as to improve the discharge efficiency of the energy storage device.
Specifically, when the control module reduces the output power of the energy storage device, the control module adjusts the output power of the energy storage device during peak power utilization according to the comparison result between the maximum output power Wc of the energy storage device and the load power Wb, wherein,
when Wc is less than Wb, the control module compares an absolute value | Wm | of a load change value with the output power Wd of the power grid power supply, and adjusts according to a comparison result, if | Wm | is less than Wd, the control module adjusts the output power of the power grid power supply to Wd ', and sets Wd' = Wd- | Wm |; if the | Wm | > is more than or equal to Wd, the control module stops the electric energy input of the power grid power supply, adjusts the output power of the energy storage device in the peak power utilization period to be W1, and sets W1= Wc- | Wm | + Wd;
when Wc is larger than or equal to Wb, the control module adjusts the output power of the energy storage device in the peak power utilization period to W2, and W2= Wb- | Wm |.
Specifically, when the control module increases the output power of the energy storage device, the control module adjusts the output power of the energy storage device during the peak power utilization period according to the comparison result between the maximum output power Wc of the energy storage device and the load power Wb, wherein,
when Wc < Wb, the control module adjusts the output power of the power grid power supply to W = Wd + Wm;
when Wc is larger than or equal to Wb, the control module adjusts output power of the energy storage device to be W3 in peak power utilization time, W3= Wb + Wm is set, when W3 is larger than Wc, the control module controls the energy storage device to output power Wc in peak power utilization time, and controls a power grid power supply to input electric energy to industrial equipment in power Wk, and Wk = W3-Wc is set.
Specifically, in this embodiment, when reducing the output power of the energy storage device, the control module performs control according to a comparison result between the maximum output power Wc and the load power Wb, if the maximum output power Wc is smaller than the load power Wb, the output power of the grid power supply is first reduced, and then the output power of the energy storage device is reduced, so that the reduced output power meets a discharge requirement, if the maximum output power Wc is greater than the load power Wb, the requirement can be met only by reducing the output power of the energy storage device, and the control module further meets the power consumption requirement of the industrial device by reducing the output power of the grid power supply or the energy storage device, and further improves the discharge efficiency of the energy storage device; and when the output power of the energy storage device is increased, the control module also controls according to a comparison result of the maximum output power Wc and the load power Wb, if the maximum output power Wc is smaller than the load power Wb, the power consumption requirement of the industrial device can be met only by increasing the output power of the power grid power supply, and if the maximum output power Wc is higher than the load power Wb, the output power of the energy storage device is increased firstly, and then the output power of the power grid power supply is increased, so that the discharge efficiency of the energy storage device is optimal.
Specifically, the early warning module takes one day as a cycle period of the energy storage device, and performs early warning according to the electric energy storage and consumption condition of the energy storage device in the cycle, the early warning module acquires the residual electric energy P of the energy storage device after the peak power utilization period in the cycle, and performs corresponding early warning according to the residual electric energy P, wherein,
when P =0, the early warning module performs early warning according to the total power consumption L of the energy storage device in the peak power utilization period;
when P is larger than 0, the early warning module judges that the energy storage device stores excessive energy, and gives an early warning to reduce the energy storage amount of the energy storage device in the next period so as to avoid the energy storage device storing excessive energy in the next period.
Specifically, when P =0, the early warning module compares the total power consumption L of the energy storage device in the peak power consumption period with the total power consumption P of the load in the peak power consumption period, and performs early warning according to a comparison result, wherein,
when L = P, the early warning module judges that the electric storage capacity of the energy storage equipment meets the requirement;
when L < P, if energy storage equipment's electric storage capacity has reached total electric storage capacity G0, the early warning module judges energy storage equipment's energy storage process satisfies the requirement, if energy storage equipment's electric storage capacity does not reach total electric storage capacity G0, the early warning module early warning next cycle increases energy storage equipment's electric storage capacity to make in the next cycle L = P or energy storage equipment's electric storage capacity reaches total electric storage capacity G0.
Specifically, in this embodiment, the early warning module performs early warning according to the energy storage and consumption condition of the energy storage device in the cycle, so as to improve the discharge efficiency of the energy storage device in the next cycle through early warning, if the remaining energy P of the energy storage device after the end of the peak power consumption period is 0, the energy storage device needs to be further analyzed according to the total power consumption L of the peak power consumption period, so as to improve the accuracy of the early warning, if the remaining energy P of the energy storage device after the end of the peak power consumption period is greater than 0, it is proved that the stored energy in the energy storage device is greater than the power consumption requirement of the industrial device, the early warning module performs energy storage excess early warning, so as to reduce the stored energy of the energy storage device in the next cycle, so as to improve the discharge efficiency of the energy storage device, and when the remaining energy P is 0, the early warning module compares the total power consumption L of the energy storage device with the total power consumption P of the load, if L is equal to P, the energy storage capacity of the energy storage device is proved to just meet the requirement, if L is smaller than P, the discharge capacity of the energy storage device is proved to be incapable of meeting the requirement, early warning is needed to be carried out according to the energy storage condition of the energy storage device, if the energy storage capacity of the energy storage device reaches the total energy storage capacity G0, the discharge efficiency of the energy storage device is maximized, otherwise, early warning is carried out, so that the energy storage capacity of the energy storage device in the next period is improved, and the discharge efficiency of the energy storage device is further improved.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. The Windows-based industrial discharge control system is characterized by comprising,
the input module is used for inputting peak electricity utilization time, flat electricity utilization time and valley electricity utilization time in one day;
the monitoring module is connected with the input module and is used for monitoring and acquiring the total load power of the industrial equipment and the electric energy stored by the energy storage equipment in real time;
the analysis module is connected with the monitoring module and is used for analyzing the data acquired by monitoring;
the control module is connected with the analysis module and used for controlling the input and output of the electric energy of the energy storage equipment according to a data analysis result, when the control module controls the input of the electric energy of the energy storage equipment, the control module controls the energy storage process of the energy storage equipment in a low-valley electricity utilization period according to a low-valley electricity storage quantity G and controls the energy storage process of the energy storage equipment in a flat-section electricity utilization period according to a total electricity storage quantity G0, when the control module controls the output of the electric energy of the energy storage equipment, the control module controls the electric energy output process of the energy storage equipment in a peak electricity utilization period according to the maximum output power Wc of the energy storage equipment, and meanwhile, the control module adjusts the output power of the energy storage equipment in a peak electricity utilization period according to the load power change monitored by the monitoring module;
and the early warning module is connected with the control module and used for carrying out corresponding early warning according to the electric energy output data of the energy storage equipment, and the early warning module carries out early warning according to the residual electric energy P of the energy storage equipment after the peak power utilization period in the period so that the control module adjusts the electric storage quantity of the energy storage equipment in the next period according to an early warning result.
2. The Windows-based industrial discharge control system of claim 1, wherein the analysis module, when performing data analysis, obtains a duration t1 of a peak power utilization period, a duration t2 of a flat power utilization period, and a duration t3 of a valley power utilization period, and calculates a valley power storage amount G, and sets G = Wa x t3, Wa being input power of the energy storage device, the analysis module compares the calculated valley power storage amount G with a total power storage amount G0 of the energy storage device, and determines the energy storage state of the energy storage device according to the comparison result, wherein,
when G is less than G0, the analysis module judges that the energy storage device is insufficient in the valley power utilization period;
when G is larger than or equal to G0, the analysis module judges that the energy storage device is full of electric energy in the valley power consumption period, and the control module controls the energy storage device to store energy in the valley power consumption period and stops storing energy after the electric energy is full of electric energy.
3. The Windows-based industrial discharge control system of claim 2, wherein the analysis module compares the calculated low-peak power storage amount G with the high-peak power consumption amount Ga to set Ga = Wb x t1, Wb is the load power, and the control module controls the energy storage device to store energy according to the comparison result when the analysis module determines that the energy storage is insufficient,
when G is less than Ga, the control module controls the energy storage device to store energy to G in the valley power utilization period and controls the energy storage device to store energy in the flat power utilization period;
when G is larger than or equal to Ga, the control module controls the energy storage device to store energy to Ga in the valley power utilization period.
4. The Windows-based industrial discharge control system of claim 3, wherein the analysis module compares the total power storage amount G0 with the peak power consumption amount Ga when the control module controls the energy storage device to store energy during the flat power consumption period, and the control module controls the energy storage process of the energy storage device during the flat power consumption period according to the comparison result, wherein,
when G0 is less than Ga, the control module controls the energy storage device to store energy to Gb in a flat power utilization period, and Gb = G0-G is set;
when G0 is larger than or equal to Ga, the control module controls the energy storage device to store energy to Gc in the flat power utilization period, and Gc = Ga-G is set.
5. The Windows-based industrial discharge control system of claim 4, wherein the analysis module compares a maximum output power Wc of the energy storage device with a load power Wb when the control module controls the energy storage device to output the electric energy, and the control module controls the energy storage device to output the electric energy during a peak power utilization period according to the comparison result, wherein,
when Wc is less than Wb, the control module controls the energy storage device to output with power Wc in a peak power utilization period, and controls a power grid power supply to input electric energy to the industrial equipment with power Wd, and Wd = Wb-Wc is set;
and when Wc is greater than or equal to Wb, the control module controls the energy storage equipment to output with power Wb in the peak power utilization period.
6. The Windows-based industrial discharge control system of claim 5, wherein the monitoring module monitors a load power change in real time during peak electricity hours and records the changed load power as Δ Wb, the analyzing module is provided with a load change value Wm, setting Wm =ΔWb-Wb, and the control module adjusts the output power of the energy storage device during peak electricity hours according to the load change value, wherein,
when Wm is less than 0, the control module judges that the load power is reduced and reduces the output power of the energy storage device;
when Wm =0, the control module judges that the load power is not changed and does not adjust;
and when Wm is larger than 0, the control module judges that the load power is increased and improves the output power of the energy storage device.
7. The Windows-based industrial discharge control system of claim 6, wherein the control module adjusts the output power of the energy storage device during peak power periods according to a comparison of a maximum output power Wc of the energy storage device and a load power Wb when the control module decreases the output power of the energy storage device, wherein,
when Wc is less than Wb, the control module compares an absolute value | Wm | of a load change value with the output power Wd of the power grid power supply, and adjusts according to a comparison result, if | Wm | is less than Wd, the control module adjusts the output power of the power grid power supply to Wd ', and sets Wd' = Wd- | Wm |; if the | Wm | > is more than or equal to Wd, the control module stops the electric energy input of the power grid power supply, adjusts the output power of the energy storage device in the peak power utilization period to be W1, and sets W1= Wc- | Wm | + Wd;
when Wc is larger than or equal to Wb, the control module adjusts the output power of the energy storage device in the peak power utilization period to W2, and W2= Wb- | Wm |.
8. The Windows-based industrial discharge control system of claim 6, wherein the control module adjusts the output power of the energy storage device during peak power periods according to a comparison of a maximum output power Wc of the energy storage device and a load power Wb when the control module increases the output power of the energy storage device, wherein,
when Wc < Wb, the control module adjusts the output power of the power grid power supply to W = Wd + Wm;
when Wc is larger than or equal to Wb, the control module adjusts output power of the energy storage device to be W3 in peak power utilization time, W3= Wb + Wm is set, when W3 is larger than Wc, the control module controls the energy storage device to output power Wc in peak power utilization time, and controls a power grid power supply to input electric energy to industrial equipment in power Wk, and Wk = W3-Wc is set.
9. The Windows-based industrial discharge control system of claim 7 or 8, wherein the pre-warning module takes one day as a cycle period of the energy storage device and performs pre-warning according to an energy storage and consumption condition of the energy storage device within the cycle, the pre-warning module obtains a remaining energy P of the energy storage device after a peak power utilization period within the cycle and performs corresponding pre-warning according to the remaining energy P, wherein,
when P =0, the early warning module performs early warning according to the total power consumption L of the energy storage device in the peak power utilization period;
when P is larger than 0, the early warning module judges that the energy storage device stores excessive energy, and gives an early warning to reduce the energy storage amount of the energy storage device in the next period so as to avoid the energy storage device storing excessive energy in the next period.
10. The Windows-based industrial discharge control system of claim 9, wherein when P =0, the pre-warning module compares the total power consumption L of the energy storage device in the peak power utilization period with the total power consumption P of the load in the peak power utilization period, and performs pre-warning according to the comparison result, wherein,
when L = P, the early warning module judges that the electric storage capacity of the energy storage equipment meets the requirement;
when L < P, if energy storage equipment's electric storage capacity has reached total electric storage capacity G0, the early warning module judges energy storage equipment's energy storage process satisfies the requirement, if energy storage equipment's electric storage capacity does not reach total electric storage capacity G0, the early warning module early warning next cycle increases energy storage equipment's electric storage capacity to make in the next cycle L = P or energy storage equipment's electric storage capacity reaches total electric storage capacity G0.
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