CN113506938A - Smart microgrid robust control method and device with distributed cloud energy storage system - Google Patents
Smart microgrid robust control method and device with distributed cloud energy storage system Download PDFInfo
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- 238000004146 energy storage Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims abstract description 81
- 239000000428 dust Substances 0.000 claims abstract description 23
- 230000035939 shock Effects 0.000 claims description 11
- 238000010248 power generation Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/251—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/267—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders having means for adapting to batteries or cells of different types or different sizes
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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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
- H02J3/241—The oscillation concerning frequency
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of power distribution, and discloses a method and a device for controlling robustness of an intelligent microgrid with a distributed cloud energy storage system. The heat dissipation box is fixedly connected with the box body, the first heat dissipation fan is fixedly connected with the heat dissipation box, the first heat dissipation fan sucks air from the heat dissipation box, the splitter plate is fixedly connected with the heat dissipation box, air entering from the first heat dissipation fan is distributed to the box body space after passing through the splitter plate, the dust cover is detachably connected with the heat dissipation box, air is filtered, the second heat dissipation fan rotates to take out hot air in the box body to enhance the heat dissipation effect, the battery works in a normal temperature environment, the service life of the device is prolonged, and the operation cost is reduced.
Description
Technical Field
The invention relates to the technical field of power distribution, in particular to a robust control method and device for an intelligent micro-grid with a distributed cloud energy storage system.
Background
The micro-grid is a micro-grid composed of Distributed Generation (DG) of various forms, an energy storage unit, a load, a control unit, protection and the like, and can be flexibly incorporated into a power distribution network to operate as a controllable load or a controllable power generation unit and can control off-grid operation by depending on a system of the micro-grid. Because the distributed power supply has the characteristics of intermittence and randomness, the voltage and the frequency of a system can be changed due to the fluctuation of output power or the interference of uncertain factors, and the stability of the micro-grid is seriously influenced.
The existing energy storage units are generally densely arranged battery arrays and are intensively placed in a box body, so that the heat dissipation effect is poor, and the battery aging is easy to accelerate.
Disclosure of Invention
The invention aims to provide a robust control method and device for an intelligent microgrid with a distributed cloud energy storage system, and aims to solve the problem that the existing energy storage unit is poor in heat dissipation effect and easy to accelerate battery aging.
In order to achieve the above object, in a first aspect, the present invention provides an intelligent microgrid robust control apparatus with a distributed cloud energy storage system, including a support assembly, a plurality of mounting assemblies and a heat dissipation assembly, where the support assembly includes a box body and a bracket, the bracket is fixedly connected to the box body and is located in the box body, the mounting assembly includes a sliding plate, a mounting bracket and a fixing column, the sliding plate is slidably connected to the bracket and is located at one side of the bracket, the mounting bracket is fixedly connected to the sliding plate and is located at one side of the sliding plate, the fixing column is in threaded connection with the sliding plate and contacts the bracket, and the plurality of mounting assemblies are disposed in the box body; the radiating assembly comprises a first radiating fan, a second radiating fan, a radiating box, a splitter plate and a dust cover, wherein the radiating box is provided with a first through hole, the radiating box is fixedly connected with the box body and is positioned at the bottom of the box body, the first radiating fan is fixedly connected with the radiating box and is positioned in the radiating box, the splitter plate is provided with a plurality of baffles, the splitter plate is fixedly connected with the radiating box and is positioned at one side of the box body, the first radiating fan is close to one side of the box body, the dust cover is detachably connected with the radiating box and covers the first through hole, the second radiating fan is fixedly connected with the box body and is positioned at one side of the first radiating fan, and the box body is far away from the one side of the first radiating fan.
The support assembly further comprises a base, a junction box and a door plate, the door plate is connected with the box in a rotating mode and located on one side of the box, the junction box is fixedly connected with the box and located on one side of the box, the base is fixedly connected with the heat dissipation box and located on one side of the heat dissipation box.
Through the base supports whole device, and a plurality of battery unit pass through junction box external circuit connects in order to carry out the charge-discharge, through the door plant is right the box seals, prevents that outside impurity from getting into.
The supporting component further comprises a shock pad, and the shock pad is fixedly connected with the base and located on one side of the base.
The shock absorption pad is arranged on the base, so that the shock from the ground can be reduced, and the battery can be better protected.
The heat dissipation assembly further comprises a temperature sensor, and the temperature sensor is fixedly connected with the box body and is located in the box body.
The temperature in the box body can be detected through the temperature sensor, so that the running power of the first cooling fan and the second cooling fan can be controlled based on a temperature signal, and the box body is guaranteed to be kept in a certain temperature range.
The heat dissipation assembly further comprises a refrigerator, and the refrigerator is arranged on one side, close to the first through hole, in the heat dissipation box.
Through the refrigerator can cool down the outside air that gets into for this device can use under high temperature environment.
The dust cover comprises a cover body, a dust screen and a handle, the cover body is in sliding connection with the heat dissipation box, the dust screen is fixedly connected with the cover body and located on one side of the cover body, and the handle is fixedly connected with the cover body and located on one side of the cover body.
Through sliding the cover body can with the first through-hole of heat dissipation case passes through the dust screen is sealed to can filter inspiratory air, avoid large granule impurity to get into and exert an influence to the battery, through the handle can be dismantled and assemble more conveniently the cover body.
The mounting assembly further comprises a plurality of heat-conducting fins, and the plurality of heat-conducting fins are arranged on the mounting frame.
The heat-conducting sheet can conduct heat generated by the battery to increase the contact area with air, so that the heat-radiating efficiency is improved.
In a second aspect, the invention further provides a robust control method for a smart microgrid with a distributed cloud energy storage system, which includes:
acquiring total output power of an energy storage system, active power of a stable generator set, active power of a fluctuation generator set, charging/discharging active power of an intelligent microgrid robust control device with a distributed cloud energy storage system and total system active load requirements;
dividing the fluctuation amplitude according to the frequency fluctuation characteristics of the micro-grid system, wherein the fluctuation amplitude is primary fluctuation, secondary fluctuation and tertiary fluctuation from small to large;
a stable generator set is adopted to supply power during primary fluctuation; and a stable generator set and a fluctuation generator set are used for combined power generation during the second-level fluctuation, and an intelligent microgrid robust control device which is used for combined power generation and is connected into the distributed cloud energy storage system is used for stabilizing the fluctuation during the third-level fluctuation.
According to the method and the device for controlling the robustness of the smart microgrid with the distributed cloud energy storage system, the support is fixedly connected with the box body and is positioned in the box body, the sliding plate is slidably connected with the support and is positioned on one side of the support, so that the sliding plate can slide relative to the support to adjust the position, the mounting frame is fixedly connected with the sliding plate and is positioned on one side of the sliding plate, the fixed column is in threaded connection with the sliding plate and contacts with the support, after the sliding plate is adjusted to be in place, the fixed column is rotated to contact with the support, the position of the sliding plate is fixed under the action of friction force, and therefore batteries with various sizes can be mounted on the mounting frame. The installation assemblies are arranged in the box body, so that more batteries can be installed to fully utilize space; the heat dissipation box is provided with a first through hole, the heat dissipation box is fixedly connected with the box body and is positioned at the bottom of the box body, the first heat dissipation fan is fixedly connected with the heat dissipation box and is positioned in the heat dissipation box, the first heat dissipation fan is started to suck air from the first through hole of the heat dissipation box, the flow distribution plate is provided with a plurality of baffles, the flow distribution plate is fixedly connected with the heat dissipation box and is positioned at one side of the first heat dissipation fan close to the box body, the air entering from the first heat dissipation fan is distributed to the whole space in the box body after passing through the plurality of baffles, so that the heat dissipation can be more sufficient, the dead angle is avoided, the dust cover is detachably connected with the heat dissipation box and covers the first through hole, the impurities in the sucked air can be filtered, and the second heat dissipation fan is fixedly connected with the box body, and the second heat radiation fan rotates to take out hot air in the box body to enhance the heat radiation effect, so that the battery can work in a normal temperature environment, the service life of the whole device is prolonged, the operation cost is reduced, and the problem that the heat radiation effect of the conventional energy storage unit is poor and the battery aging is easy to accelerate is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural diagram of an intelligent microgrid robust control device with a distributed cloud energy storage system according to the present invention;
fig. 2 is a back structural diagram of the intelligent microgrid robust control device with a distributed cloud energy storage system according to the present invention;
fig. 3 is a side view of the intelligent microgrid robust control device with a distributed cloud energy storage system according to the present invention;
fig. 4 is a first schematic cross-sectional view of an intelligent microgrid robust control apparatus with a distributed cloud energy storage system according to the present invention;
fig. 5 is a second cross-sectional schematic view of the intelligent microgrid robust control device with a distributed cloud energy storage system according to the present invention;
FIG. 6 is an enlarged partial view of detail A of FIG. 2;
fig. 7 is a third schematic cross-sectional view of an intelligent microgrid robust control device with a distributed cloud energy storage system according to the present invention;
fig. 8 is a flowchart of a smart microgrid robust control method with a distributed cloud energy storage system according to the present invention.
The heat dissipation device comprises a support component 1, a mounting component 3, a heat dissipation component 5, a box body 11, a support 12, a base 13, a junction box 14, a door panel 15, a connecting plate 16, a connecting column 17, a connecting spring 18, a shock absorption pad 19, a sliding plate 31, a mounting frame 32, a fixing column 33, a heat conducting fin 34, a first heat dissipation fan 51, a second heat dissipation fan 52, a heat dissipation box 53, a flow distribution plate 54, a dust cover 55, a temperature sensor 56, a refrigerator 57, a through hole 111, a clamping rod 171, a first through hole 531, a baffle 541, a cover 551, a dust cover 552, a dust screen 553 and a handle 553.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In a first aspect, referring to fig. 1 to 7, the present invention provides an intelligent microgrid robust control apparatus with a distributed cloud energy storage system, including:
the supporting assembly 1 comprises a box body 11 and a bracket 12, the bracket 12 is fixedly connected with the box body 11 and is positioned in the box body 11, the mounting assembly 3 comprises a sliding plate 31, a mounting frame 32 and a fixing column 33, the sliding plate 31 is slidably connected with the bracket 12 and is positioned at one side of the bracket 12, the mounting frame 32 is fixedly connected with the sliding plate 31 and is positioned at one side of the sliding plate 31, the fixing column 33 is in threaded connection with the sliding plate 31 and contacts the bracket 12, and the plurality of mounting assemblies 3 are arranged in the box body 11;
the heat dissipation assembly 5 comprises a first heat dissipation fan 51, a second heat dissipation fan 52, a heat dissipation box 53, a flow distribution plate 54 and a dust cover 55, the heat dissipation box 53 is provided with a first through hole 531, the heat dissipation box 53 is fixedly connected with the box body 11 and is positioned at the bottom of the box body 11, the first heat dissipation fan 51 is fixedly connected with the heat dissipation box 53 and is positioned in the heat dissipation box 53, the flow distribution plate 54 is provided with a plurality of baffles 541, the flow distribution plate 54 is fixedly connected with the heat dissipation box 53 and is positioned at a position where the first heat dissipation fan 51 is close to one side of the box body 11, the dust cover 55 is detachably connected with the heat dissipation box 53 and covers the first through hole 531, the second heat dissipation fan 52 is fixedly connected with the box body 11 and is positioned at a position where the box body 11 is far away from one side of the first heat dissipation fan 51.
In this embodiment, the bracket 12 is fixedly connected to the housing 11 and is located in the housing 11, the sliding plate 31 is slidably connected to the bracket 12 and is located on one side of the bracket 12, so that the sliding plate 31 can be slidably adjusted in position relative to the bracket 12, the mounting bracket 32 is fixedly connected to the sliding plate 31 and is located on one side of the sliding plate 31, the fixing post 33 is threadedly connected to the sliding plate 31 and contacts the bracket 12, and after the sliding plate 31 is adjusted in position, the fixing post 33 is rotated to contact the bracket 12, so that the position of the sliding plate 31 is fixed by friction, and batteries of various sizes can be mounted on the mounting bracket 32. A plurality of the mounting assemblies 3 are arranged in the box body 11, so that a larger number of batteries can be mounted to fully utilize the space; the heat dissipation box 53 is provided with a first through hole 531, the heat dissipation box 53 is fixedly connected with the box body 11 and is positioned at the bottom of the box body 11, the first heat dissipation fan 51 is fixedly connected with the heat dissipation box 53 and is positioned in the heat dissipation box 53, the first heat dissipation fan 51 is started to suck air from the first through hole 531 of the heat dissipation box 53, the splitter plate 54 is provided with a plurality of baffles 541, the splitter plate 54 is fixedly connected with the heat dissipation box 53 and is positioned at one side of the box body 11 close to the first heat dissipation fan 51, the air entering from the first heat dissipation fan 51 is distributed to the whole space in the box body 11 through the plurality of baffles 541, so that the heat dissipation can be more sufficient, the existence of dead corners is avoided, the dust cover 55 is detachably connected with the heat dissipation box 53 and covers the first through hole 531, and impurities in the sucked air can be filtered, second radiator fan 52 with box 11 fixed connection, and be located box 11 is kept away from one side of first radiator fan 51, second radiator fan 52 rotates can with hot-air in the box 11 is taken out in order to strengthen the radiating effect to can make battery work in normal temperature environment, improve the life-span of whole device, reduce the operation cost, thereby solve the problem that current energy storage unit radiating effect is not good to accelerate the battery ageing easily.
Further, the support assembly 1 further comprises a base 13, a junction box 14 and a door panel 15, the door panel 15 is rotatably connected with the box body 11 and is located on one side of the box body 11, the junction box 14 is fixedly connected with the box body 11 and is located on one side of the box body 11, and the base 13 is fixedly connected with the heat dissipation box 53 and is located on one side of the heat dissipation box 53 away from the box body 11; the supporting component 1 further comprises a connecting plate 16 and a connecting column 17, the box body 11 is provided with a through hole 111, the through hole 111 is positioned on one side of the bracket 12, the connecting column 17 is provided with a clamping rod 171, the connecting column 17 is connected with the box body 11 in a sliding mode and is positioned in the through hole 111, and the connecting plate 16 is connected with the box body 11 in a rotating mode and is positioned on one side far away from the through hole 111; the support assembly 1 further comprises a connecting spring 18, and the connecting spring 18 is arranged between the connecting column 17 and the box body 11; the supporting component 1 further comprises a shock pad 19, and the shock pad 19 is fixedly connected with the base 13 and is positioned on one side of the base 13.
In the present embodiment, the base 13 supports the entire device, the plurality of battery cells are connected to the external circuit through the junction box 14 for charging and discharging, and the door 15 seals the case 11 to prevent the entry of foreign substances. The shock absorbing pad 19 is disposed on the base 13 to reduce the shock from the ground, so that the battery can be better protected. The connecting plates 16 and the connecting posts 17 are respectively arranged on two sides of the box bodies 11, so that when a plurality of box bodies 11 need to be connected, the connecting plates 16 can be rotated out and are contacted with the clamping rods 171 on the connecting posts 17 of another box body 11 to be clamped, the connecting springs 18 can provide pressing force to keep stable connection, and therefore the box bodies 11 can be conveniently assembled, and various different electricity capacity requirements can be met.
Further, the heat dissipation assembly 5 further includes a temperature sensor 56, and the temperature sensor 56 is fixedly connected with the box body 11 and is located in the box body 11; the heat dissipation assembly 5 further includes a refrigerator 57, and the refrigerator 57 is disposed at a side of the heat dissipation case 53 adjacent to the first through hole 531.
In the present embodiment, the temperature sensor 56 is PT100, and the temperature sensor 56 can detect the temperature in the case 11, so that the operating powers of the first and second heat dissipation fans 51 and 52 can be controlled based on the temperature signal, thereby ensuring that the case 11 is maintained within a certain temperature range.
Further, the dust cover 55 includes a cover 551, a dust screen 552 and a handle 553, the cover 551 is slidably connected to the heat dissipation box 53, the dust screen 552 is fixedly connected to the cover 551 and is located at one side of the cover 551, and the handle 553 is fixedly connected to the cover 551 and is located at one side of the cover 551.
In this embodiment, the first through hole 531 of the heat dissipation case 53 may be sealed by the dust screen 552 by sliding the cover 551, so that the sucked air may be filtered to prevent large particles from entering and affecting the battery, and the cover 551 may be more conveniently disassembled and assembled by the handle 553.
Further, the mounting assembly 3 further includes a plurality of heat-conducting fins 34, and the plurality of heat-conducting fins 34 are disposed on the mounting frame 32.
In the present embodiment, the heat conductive sheet 34 can conduct heat generated by the battery to increase a contact area with air, thereby improving heat dissipation efficiency.
In a second aspect, referring to fig. 8, the present invention further provides a robust control method for a smart microgrid with a distributed cloud energy storage system, including:
s101, acquiring total output power of an energy storage system, active power of a stable generator set, active power of a fluctuation generator set, and charging/discharging active power and total system active load requirements of an intelligent microgrid robust control device with a distributed cloud energy storage system;
the distributed cloud energy storage system comprises a plurality of power supply systems, such as a stable generator set of a diesel generator and a thermal generator, or a fluctuation generator set of a wind generator, a hydroelectric generator and a solar generator, and an energy storage unit of an intelligent microgrid robust control device with the distributed cloud energy storage system.
S102, dividing the fluctuation amplitude according to the frequency fluctuation characteristics of the micro-grid system, wherein the fluctuation amplitude is primary fluctuation, secondary fluctuation and tertiary fluctuation from small to large;
when the micro-grid is used for supplying power, the characteristic of fluctuation power utilization is presented due to different participating regions due to time, and in order to meet the requirements of different fluctuation amplitudes, the fluctuation amplitudes can be divided firstly to generate primary fluctuation, secondary fluctuation and tertiary fluctuation.
S103, supplying power by adopting a stable generator set when the primary fluctuation is carried out; and a stable generator set and a fluctuation generator set are used for combined power generation during the second-level fluctuation, and an intelligent microgrid robust control device which is used for combined power generation and is connected into the distributed cloud energy storage system is used for stabilizing the fluctuation during the third-level fluctuation.
Wherein can directly adopt stable generating set to supply power so that the power supply is stable when undulant less, can adopt wind power generation when undulant great, hydroelectric power generation etc. are incorporated into the power networks or are adjusted and control from the net, when undulant the biggest, can produce a large amount of electric power extravagant from the net, consequently incorporate into distributed cloud energy storage system's intelligent little electric wire netting robust controlling means, charge the device when the power supply volume is greater than the demand, otherwise then the use device supplies power, thereby further improve power supply efficiency, it is extravagant to reduce electric power.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. An intelligent micro-grid robust control device with a distributed cloud energy storage system is characterized in that,
the heat dissipation device comprises a supporting component, a plurality of mounting components and a heat dissipation component, wherein the supporting component comprises a box body and a support, the support is fixedly connected with the box body and is positioned in the box body, the mounting component comprises a sliding plate, a mounting frame and a fixing column, the sliding plate is slidably connected with the support and is positioned on one side of the support, the mounting frame is fixedly connected with the sliding plate and is positioned on one side of the sliding plate, the fixing column is in threaded connection with the sliding plate and contacts with the support, and the mounting components are arranged in the box body;
the radiating assembly comprises a first radiating fan, a second radiating fan, a radiating box, a splitter plate and a dust cover, wherein the radiating box is provided with a first through hole, the radiating box is fixedly connected with the box body and is positioned at the bottom of the box body, the first radiating fan is fixedly connected with the radiating box and is positioned in the radiating box, the splitter plate is provided with a plurality of baffles, the splitter plate is fixedly connected with the radiating box and is positioned at one side of the box body, the first radiating fan is close to one side of the box body, the dust cover is detachably connected with the radiating box and covers the first through hole, the second radiating fan is fixedly connected with the box body and is positioned at one side of the first radiating fan, and the box body is far away from the one side of the first radiating fan.
2. The intelligent microgrid robust control apparatus with a distributed cloud energy storage system of claim 1,
the supporting component further comprises a base, a junction box and a door plate, the door plate is connected with the box in a rotating mode and located on one side of the box, the junction box is fixedly connected with the box and located on one side of the box, the base is fixedly connected with the heat dissipation box and located on one side of the heat dissipation box.
3. The intelligent microgrid robust control apparatus with a distributed cloud energy storage system of claim 2,
the supporting component further comprises a shock pad, and the shock pad is fixedly connected with the base and located on one side of the base.
4. The intelligent microgrid robust control apparatus with a distributed cloud energy storage system of claim 1,
the heat dissipation assembly further comprises a temperature sensor, and the temperature sensor is fixedly connected with the box body and is located in the box body.
5. The intelligent microgrid robust control apparatus with a distributed cloud energy storage system of claim 4,
the heat dissipation assembly further comprises a refrigerator, and the refrigerator is arranged on one side, close to the first through hole, in the heat dissipation box.
6. The intelligent microgrid robust control apparatus with a distributed cloud energy storage system of claim 1,
the dust cover includes the cover body, dust screen and handle, the cover body with heat dissipation case sliding connection, the dust screen with the cover body fixed connection, and be located one side of the cover body, the handle with cover body fixed connection, and be located one side of the cover body.
7. The intelligent microgrid robust control apparatus with a distributed cloud energy storage system of claim 1,
the mounting assembly further comprises a plurality of heat-conducting fins, and the plurality of heat-conducting fins are arranged on the mounting frame.
8. The robust control method for the smart microgrid with the distributed cloud energy storage system is applied to the robust control device for the smart microgrid with the distributed cloud energy storage system as claimed in any one of claims 1 to 7, and is characterized by comprising the following steps:
acquiring total output power of an energy storage system, active power of a stable generator set, active power of a fluctuation generator set, charging/discharging active power of an intelligent microgrid robust control device with a distributed cloud energy storage system and total system active load requirements;
dividing the fluctuation amplitude according to the frequency fluctuation characteristics of the micro-grid system, wherein the fluctuation amplitude is primary fluctuation, secondary fluctuation and tertiary fluctuation from small to large;
a stable generator set is adopted to supply power during primary fluctuation; and a stable generator set and a fluctuation generator set are used for combined power generation during the second-level fluctuation, and an intelligent microgrid robust control device which is used for combined power generation and is connected into the distributed cloud energy storage system is used for stabilizing the fluctuation during the third-level fluctuation.
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Application publication date: 20211015 |