CN103236727A - Intelligent equipment for controlling sequential charging and discharging of storage battery according to power generation capacity of new energy sources - Google Patents
Intelligent equipment for controlling sequential charging and discharging of storage battery according to power generation capacity of new energy sources Download PDFInfo
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- CN103236727A CN103236727A CN2013101513255A CN201310151325A CN103236727A CN 103236727 A CN103236727 A CN 103236727A CN 2013101513255 A CN2013101513255 A CN 2013101513255A CN 201310151325 A CN201310151325 A CN 201310151325A CN 103236727 A CN103236727 A CN 103236727A
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- blower fan
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The invention relates to intelligent equipment for controlling sequential charging and discharging of a storage battery according to power generation capacity of new energy sources. The intelligent equipment comprises a photovoltaic collecting module, a fan collecting module, a microclimate monitor, a central processing unit, a keyboard input module, a relay control module, a screen display module and a printing module. The intelligent equipment has the advantages that a plurality of data information can be collected, the power generation strategy of the renewable new energy sources can be optimized according to weather conditions and history data, and then the distributed resources are comprehensively utilized, so as to realize particular advantages for ensuring the power supply stability, improving the power supply quality, intensively applying the dispersed new energy sources, gradiently utilizing the energy sources and the like, and favorably improve the capability of a power grid resisting disasters; in addition, the distributed type stored energy is effectively guided to provide active and reactive supports for a main power grid, and the important functions of adjusting grid frequency, stabilizing disturbance and ensuring stable running of the main power grid are realized.
Description
Technical field
The present invention relates to a kind of PREDICTIVE CONTROL terminal, especially relate to a kind of smart machine that discharges and recharges in order according to generation of electricity by new energy ability control storage battery.
Background technology
Because these class new forms of energy that utilize blower fan and photovoltaic plant to produce are subjected to the influence of weather very big, therefore the control module on it can't be predicted load according to extraneous factors such as temperature, also can't be optimized discharging and recharging strategy according to existing battery characteristics, more can't avoid storage battery frequently to discharge and recharge effectively, will significantly reduce the useful life of storage battery like this, and can't avoid storage battery to overcharge or over-discharge can, thereby cause waste.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of smart machine that discharges and recharges in order according to generation of electricity by new energy ability control storage battery, it can carry out status monitoring to photovoltaic plant, blower fan, weather condition, and analyze in conjunction with real time data, the batteries data of importing by the keyboard input module at the user discharge and recharge arrangement, play the saving energy, the effect of peak load shifting.
In order to achieve the above object, the smart machine that discharges and recharges in order according to generation of electricity by new energy ability control storage battery provided by the invention comprises photovoltaic acquisition module, blower fan acquisition module, microclimate monitor, CPU, keyboard input module, relay control module, screen display module and print module; Wherein the output of photovoltaic acquisition module, blower fan acquisition module, microclimate monitor and keyboard input module links to each other with CPU, and CPU is joined with relay control module, screen display module and print module respectively; Described photovoltaic acquisition module and blower fan acquisition module constitute by AC current transformer, AC voltage transformer and single-chip microcomputer, AC current transformer and AC voltage transformer are installed in be incorporated into the power networks circuit or blower fan electricity generation module of photovoltaic generating module and are incorporated into the power networks on the current circuit of circuit, and the output of AC current transformer and AC voltage transformer links to each other with single-chip microcomputer, and single-chip microcomputer joins by RS-485 bus and CPU; The microclimate monitor is made of temperature sensor, humidity sensor, wind sensor, wind transducer, optical sensor and PLC single-chip microcomputer, wherein temperature sensor, humidity sensor, wind sensor, wind transducer and optical sensor are installed in blower fan or photovoltaic plant arranges the scene, the output of these transducers links to each other with the PLC single-chip microcomputer simultaneously, and the PLC single-chip microcomputer then joins by RS-485 bus and CPU input; The output of relay control module links to each other with the control loop of batteries in blower fan or the photovoltaic plant; Screen display module and print module then join with display and printer respectively.
Described CPU is made up of INTELZ510 processor and coupled SSD hard disk, display interface device and printer interface.
Adopt serial communication interface to be connected between described CPU and the relay control module; Adopt the VGA interface to be connected between CPU and the screen display module; Adopt the parallel communication interface to be connected between CPU and the print module.
The smart machine that discharges and recharges in order according to generation of electricity by new energy ability control storage battery provided by the invention can be realized the collection of a plurality of data messages, and be optimized according to weather condition and the historical data power generation strategies to renewable new forms of energy, thereby realize the comprehensive utilization to distributed resource, this is for the new forms of energy that ensure that power supply reliability, raising power supply quality, intensive applications are disperseed, and the cascade utilization of the energy etc. has original advantage, also is conducive to strengthen the ability of electrical network reply disaster.In addition, it can effectively instruct distributed energy storage fast for major network provides meritorious, idle support, regulates, stabilizes disturbance at mains frequency, ensures and play an important role aspect the major network stable operation.
Description of drawings
Fig. 1 constitutes block diagram for the smart machine that discharges and recharges in order according to generation of electricity by new energy ability control storage battery provided by the invention.
Fig. 2 constitutes block diagram for photovoltaic acquisition module, blower fan acquisition module in the smart machine shown in Fig. 1.
Fig. 3 constitutes block diagram for CPU in the smart machine shown in Fig. 1.
Fig. 4 constitutes block diagram for microclimate monitor in the smart machine shown in Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments the smart machine that discharges and recharges in order according to generation of electricity by new energy ability control storage battery provided by the invention is elaborated.
As Fig. 1-shown in Figure 4, the smart machine that discharges and recharges in order according to generation of electricity by new energy ability control storage battery provided by the invention comprises photovoltaic acquisition module 1, blower fan acquisition module 2, microclimate monitor 3, CPU 4, keyboard input module 5, relay control module 6, screen display module 7 and print module 8; Wherein the output of photovoltaic acquisition module 1, blower fan acquisition module 2, microclimate monitor 3 and keyboard input module 5 links to each other with CPU 4, and CPU 4 is joined with relay control module 6, screen display module 7 and print module 8 respectively; Described photovoltaic acquisition module 1 and blower fan acquisition module 2 constitute by AC current transformer 9, AC voltage transformer 10 and single-chip microcomputer 11, AC current transformer 9 and AC voltage transformer 10 are installed in be incorporated into the power networks circuit or blower fan electricity generation module of photovoltaic generating module and are incorporated into the power networks on the current circuit of circuit, and the output of AC current transformer 9 and AC voltage transformer 10 links to each other with single-chip microcomputer 11, and single-chip microcomputer 11 joins by RS-485 bus and CPU 4; Microclimate monitor 3 is made of temperature sensor 12, humidity sensor 13, wind sensor 14, wind transducer 15, optical sensor 16 and PLC single-chip microcomputer 17, wherein temperature sensor 12, humidity sensor 13, wind sensor 14, wind transducer 15 and optical sensor 16 is installed in blower fan or photovoltaic plant arranges the scene, the output of these transducers links to each other with PLC single-chip microcomputer 17 simultaneously, and PLC single-chip microcomputer 17 then joins by RS-485 bus and CPU 4 inputs; The output of relay control module 6 links to each other with the control loop of batteries in blower fan or the photovoltaic plant; 8 of screen display module 7 and print modules join with display and printer respectively.
Described CPU 4 is made up of INTELZ510 processor 18 and coupled SSD hard disk 19, display interface device 20 and printer interface 21.
Adopt serial communication interface to be connected between described CPU 4 and the relay control module 6; Adopt the VGA interface to be connected between CPU 4 and the screen display module 7; Adopt the parallel communication interface to be connected between CPU 4 and the print module 8.
Now the smart machine operation principle that discharges and recharges in order according to generation of electricity by new energy ability control storage battery provided by the invention is described below: before using this smart machine, the information such as peak valley time period of batteries capacity, load in the blower fan that the user need link to each other with this smart machine by 5 inputs of keyboard input module or the photovoltaic plant.During use, at first by the single-chip microcomputer 11 in photovoltaic acquisition module 1, the blower fan acquisition module 2 by AC current transformer 9 and 10 pairs of photovoltaic generating modules of AC voltage transformer be incorporated into the power networks circuit or blower fan electricity generation module be incorporated into the power networks electric current and these data in real time collections of generating electricity by way of merging two or more grid systems of voltage on the current circuit of circuit, utilize the Fourier analysis algorithm to calculate fundamental frequency effective value and the power-factor angle of voltage and current then, calculate active power and the reactive power of real-time generating afterwards, send these data to CPU 4 by the RS-485 bus then.Meanwhile, gather blower fan or photovoltaic plant by the PLC single-chip microcomputer 17 in the microclimate monitor 3 in real time by temperature sensor 12, humidity sensor 13, wind sensor 14, wind transducer 15 and optical sensor 16 on-the-spot weather condition data such as temperature, humidity, wind-force, wind direction and intensity of illumination are set, convert digital signal then to and send CPU 4 to by the RS-485 bus.CPU 4 records the data of generating electricity by way of merging two or more grid systems of above-mentioned single-chip microcomputer 11 inputs and be stored in the SSD hard disk 19 to form historical data by the time interval, data and the historical load data of then these being generated electricity by way of merging two or more grid systems are carried out data by least square method together and are approached, to form the historical generating of new forms of energy daily load curve equation, utilize the environment measurement data of above-mentioned PLC single-chip microcomputer 17 inputs that above-mentioned historical generating daily load curve is revised afterwards, and calculate per day load, then in conjunction with above-mentioned batteries capacity, the information such as peak valley time period of load are determined between one or more charging zones and discharge range, generate the control loop that discharges and recharges instruction and send batteries in blower fan or the photovoltaic plant by relay control module 6 at last, discharge and recharge in an orderly manner with the control storage battery, and can and print above-mentioned output data by screen display module 7 and print module 8 driving displays and printer demonstration.
In addition, above-mentioned load is the concept of a synthetic load, comprises exerting oneself of all distributed power sources (blower fan, the photovoltaic plant etc.) that are incorporated into the power networks.Short-term load forecasting mainly adopts time series method, linear analysis method at present, but when Changes in weather was violent, precision of prediction can be influenced, and reason is that these class new forms of energy that utilize blower fan and photovoltaic plant to produce are subjected to the influence of weather very big.Determine of particular note that at this charging and discharging of accumulator interval is the characteristic according to storage battery, be optimized discharging and recharging strategy, can avoid storage battery frequently to discharge and recharge effectively like this, prolong the useful life of storage battery; Can also avoid storage battery to overcharge or over-discharge can, play the effect of protection storage battery, discharge and recharge in the peak valley time period simultaneously, can play the effect of peak load shifting effectively.
Can make the peak-valley difference of electrical network lower 40% after this equipment puts into operation, guarantee that the network load rate more than 90%, has lowered grid loss, guarantee economy operation of power grid, improve the business economic benefit.
In addition, this equipment puts into operation and can lower peak load, improves load factor, reduces the power supply breach, and realizing rations the power supply does not operate a switch, and improves power supply reliability, has avoided the electric quantity loss that causes owing to power cuts to limit consumption.
Though above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (3)
1. smart machine that discharges and recharges in order according to generation of electricity by new energy ability control storage battery, it is characterized in that: described smart machine comprises photovoltaic acquisition module (1), blower fan acquisition module (2), microclimate monitor (3), CPU (4), keyboard input module (5), relay control module (6), screen display module (7) and print module (8); Wherein the output of photovoltaic acquisition module (1), blower fan acquisition module (2), microclimate monitor (3) and keyboard input module (5) links to each other with CPU (4), and CPU (4) is joined with relay control module (6), screen display module (7) and print module (8) respectively; Described photovoltaic acquisition module (1) and blower fan acquisition module (2) constitute by AC current transformer (9), AC voltage transformer (10) and single-chip microcomputer (11), AC current transformer (9) and AC voltage transformer (10) are installed in be incorporated into the power networks circuit or blower fan electricity generation module of photovoltaic generating module and are incorporated into the power networks on the current circuit of circuit, and the output of AC current transformer (9) and AC voltage transformer (10) links to each other with single-chip microcomputer (11), and single-chip microcomputer (11) joins by RS-485 bus and CPU (4); Microclimate monitor (3) is made of temperature sensor (12), humidity sensor (13), wind sensor (14), wind transducer (15), optical sensor (16) and PLC single-chip microcomputer (17), wherein temperature sensor (12), humidity sensor (13), wind sensor (14), wind transducer (15) and optical sensor (16) is installed in blower fan or photovoltaic plant arranges the scene, the output of these transducers links to each other with PLC single-chip microcomputer (17) simultaneously, and PLC single-chip microcomputer (17) then joins by RS-485 bus and CPU (4) input; The output of relay control module (6) links to each other with the control loop of batteries in blower fan or the photovoltaic plant; Screen display module (7) and print module (8) then join with display and printer respectively.
2. smart machine according to claim 1, it is characterized in that: described CPU (4) is made up of INTELZ510 processor (18) and coupled (SSD) hard disk 19, display interface device (20) and printer interface (21).
3. smart machine according to claim 1 is characterized in that: adopt serial communication interface to be connected between described CPU (4) and the relay control module (6); Adopt the VGA interface to be connected between CPU (4) and the screen display module (7); Adopt the parallel communication interface to be connected between CPU (4) and the print module (8).
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| CN2013101513255A CN103236727A (en) | 2013-04-27 | 2013-04-27 | Intelligent equipment for controlling sequential charging and discharging of storage battery according to power generation capacity of new energy sources |
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| CN2013101513255A CN103236727A (en) | 2013-04-27 | 2013-04-27 | Intelligent equipment for controlling sequential charging and discharging of storage battery according to power generation capacity of new energy sources |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414244A (en) * | 2013-08-27 | 2013-11-27 | 国家电网公司 | Ring main unit self-powered system |
| CN111262264A (en) * | 2020-03-12 | 2020-06-09 | 常州大学 | Embedded user side energy storage optimization controller and control method |
| CN115498689A (en) * | 2022-09-29 | 2022-12-20 | 国网江苏省电力有限公司南通供电分公司 | Distributed power supply access point power quality assessment system |
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Application publication date: 20130807 |