CN114629157A - Wind-solar-diesel-storage direct-current bus micro-grid system - Google Patents

Wind-solar-diesel-storage direct-current bus micro-grid system Download PDF

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Publication number
CN114629157A
CN114629157A CN202210405133.1A CN202210405133A CN114629157A CN 114629157 A CN114629157 A CN 114629157A CN 202210405133 A CN202210405133 A CN 202210405133A CN 114629157 A CN114629157 A CN 114629157A
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CN
China
Prior art keywords
direct current
mounting substrate
fixedly connected
microgrid system
mounting
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210405133.1A
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Chinese (zh)
Inventor
卢钢
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SHENZHEN VERYPOWER NEW ENERGY CO Ltd
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SHENZHEN VERYPOWER NEW ENERGY CO Ltd
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Priority to CN202210405133.1A priority Critical patent/CN114629157A/en
Publication of CN114629157A publication Critical patent/CN114629157A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/36Arrangements for transfer of electric power between ac networks via a high-tension dc link
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/268Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for dc systems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10Parallel operation of dc sources
    • H02J1/109Scheduling or re-scheduling the operation of the DC sources in a particular order, e.g. connecting or disconnecting the sources in sequential, alternating or in subsets, to meet a given demand
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00006Circuit 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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers

Abstract

The invention discloses a wind, light and diesel storage direct-current bus microgrid system, and particularly relates to the technical field of power supply. According to the microgrid system, the direct-current power supply, the AFE rectifying device, the generator rectifying device, the direct-current protector and the alternating-current inversion output device are arranged, the microgrid system adopts IOT and Microsoft AI cloud technologies for data analysis, so that the intelligent effect of the microgrid system is improved, and the microgrid system can convert alternating current and direct current, so that the loss of long-distance current transmission is reduced, the cost of current transmission is reduced, and the stability of the microgrid system during operation and use is guaranteed.

Description

Wind-solar-diesel-storage direct-current bus micro-grid system
Technical Field
The invention relates to the technical field of power supply, in particular to a wind-solar-diesel-storage direct-current bus micro-grid system.
Background
The photovoltaic power generation system uses a photovoltaic cell panel as a power generation component, the generated electric energy is regulated and controlled through a controller, on one hand, the regulated energy is sent to a direct current load or an alternating current load, on the other hand, redundant energy is sent to a storage battery pack for storage, when the generated electricity cannot meet the load requirement, the controller sends the electric energy of the storage battery to the load, after the storage battery is fully charged, the controller controls the storage battery not to be overcharged, when the electric energy stored in the storage battery is discharged, the controller controls the storage battery not to be overdischarged, the storage battery is protected, and the storage battery can store the energy.
In many areas without grid coverage, there are many demands that require power supply, such as: the life and work of people in places such as islands, mountains, frontier sentries, remote villages and the like are in urgent need of power supply, particularly in modern society, a communication system is a necessary life article which cannot be isolated by everyone, scientific investigation, exploration, survey, security, fire protection and the like, the operation of the equipment is completed by power, so that facilities and equipment which can provide power for all the equipment in the places are needed, the life and work of people can be basically guaranteed, in the places, a solar energy system is not allowed or is not practical when being connected to a main power grid, and therefore, only an off-grid type photovoltaic power generation system, namely an off-grid system is configured, the existing off-grid system has lower direct current and alternating current conversion effect, the power loss is larger when power is transmitted and supplied for a long distance, and the construction cost is greatly increased by adopting an alternating current boosting mode for a long distance, the cost of current transmission is increased, and the effect of stable transmission is difficult to realize in the conventional off-line system.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a wind-solar-diesel-storage direct-current bus microgrid system, which aims to solve the technical problems that: the existing off-grid system has a low conversion effect on direct current and alternating current, the electric quantity loss is large when power is supplied in long-distance transmission, the engineering cost is greatly increased by adopting an alternating current boosting mode in long-distance transmission, the current transmission cost is increased, and the stable transmission effect is difficult to realize in the existing off-grid system.
In order to achieve the purpose, the invention provides the following technical scheme: a wind, light and diesel storage direct current bus microgrid system comprises a mounting substrate, wherein a direct current power supply is arranged on the front surface of the mounting substrate, a direct current adjusting device is arranged on the front surface of the mounting substrate, an isolation transformer is arranged on the front surface of the mounting substrate, an AFE rectifying device is arranged on the front surface of the mounting substrate, a generator rectifying device is arranged on the front surface of the mounting substrate, a direct current protector is arranged on the front surface of the mounting substrate, an alternating current inversion output device is arranged on the front surface of the mounting substrate, two mounting grooves are formed in the back surface of the mounting substrate, air pumps are fixedly connected to the lower surfaces of the inner walls of the two mounting grooves, air inlets above the two air pumps are respectively communicated with the bottom ends of two first guide tubes, the two first guide tubes are fixedly connected with the back surface of the inner wall of the mounting groove through fixing blocks, and the other two ends of the first guide tubes are respectively fixedly connected with one end of the opposite surfaces of two connectors, the air pump is respectively communicated with the two connectors through the first conduit.
As a further scheme of the invention: the top end and the bottom end of the connector are respectively communicated with one end of the opposite surfaces of the two second guide pipes, and the ends, far away from the corresponding two second guide pipes, of the connector are respectively communicated with the outer surfaces of the two piston suckers.
As a further scheme of the invention: the number of the piston suckers is eight, the outer surfaces of the corresponding four piston suckers are fixedly connected to four corners of the inner wall of the same mounting groove, and the piston suckers are communicated with the mounting base plate.
As a further scheme of the invention: ventilating grooves are formed in the left side face and the right side face of the mounting base plate, pin shafts are fixedly connected to the upper surfaces and the lower surfaces of the inner walls of the two ventilating grooves, and sealing plates are fixedly connected to the outer surfaces of the pin shafts.
As a further scheme of the invention: the upper surface of ventilation groove inner wall and the lower surface of inner wall are articulated through the one side that round pin axle kept away from respectively with two sealing boards, correspond the equal fixedly connected with elasticity telescopic link of one side that two sealing boards kept away from mutually.
As a further scheme of the invention: the ventilation groove is internally provided with a filter screen plate, the outer surface of the filter screen plate is fixedly connected with the inner wall of the ventilation groove, and the other ends corresponding to the two elastic telescopic rods are respectively fixedly connected with the left side surface and the right side surface of the mounting substrate.
As a further scheme of the invention: the utility model discloses a mounting base plate, including elastic telescopic rod, mounting groove, air outlet, mounting groove, mounting base plate, elastic telescopic rod sets up to the arc telescopic rod, the inner wall fixedly connected with a plurality of fin of mounting groove, and the upper surface of two mounting groove inner walls has all seted up the air exit, and two air exits all set up the upper surface at mounting base plate, all are provided with the filter screen in two air exits.
A direct-current power supply: the bidirectional power flow control device is used for bidirectional power flow control between a direct current bus and an energy storage medium, and can be used for current control, voltage control or power control charging and discharging.
The direct current adjusting device: the bidirectional power flow control circuit is used for bidirectional power flow control between a direct current bus and a direct current power supply and is suitable for direct current access of green energy.
Isolating the transformer: the standard transformer is isolated from the external power grid, and the high-voltage source can be used for voltage reduction.
AFE rectifying means: the power supply quality of the power grid is maintained, a stable direct-current power supply is provided, and independent parallel connection without communication can be realized.
The generator rectifying device comprises: the system is used for controlling the load, the speed and the braking torque of the generator and ensuring that the generator outputs necessary power when not overloaded.
A direct current protector: the method is used for quickly detecting the short-circuit condition in the direct current power grid and quickly separating the healthy part from the affected part.
AC inverter output device: the vector control device is used for vector control of the variable frequency motor, has all functions of a frequency converter, and can output a variable frequency power supply and a power frequency power supply.
The invention has the beneficial effects that:
1. the invention replaces a diesel generator with a traditional energy storage device by arranging a direct current power supply, a direct current adjusting device, an isolation transformer, an AFE rectifying device, a generator rectifying device, a direct current protector and an alternating current inversion output device, simultaneously, the micro-grid system is green energy, can recover energy and be seamlessly accessed, supports lithium iron phosphate batteries and lead-acid batteries, supports multiple energy grid connection and energy management, has higher efficiency than alternating current power distribution, has no harmonic interference, is simple in grid connection and supports the effect of alternating current and direct current mixed output, so that the micro-grid system can support different use environments and current output, simultaneously, each power unit of the micro-grid system is a data acquisition controller system, adopts stable industrial control system configuration, and particularly controls and adopts IOT and Microsoft AI cloud technology for data analysis, the intelligent effect of the microgrid system is improved, and the microgrid system can convert alternating current and direct current, so that the loss of long-distance current transmission is reduced, the cost of current transmission is reduced, and the stability of the microgrid system during operation and use is guaranteed;
2. according to the invention, by arranging the air pump, the piston sucker, the radiating fin and the air outlet, when the air pump runs, negative pressure is formed inside the piston sucker through the air of the first guide pipe, the connector and the second guide pipe, and simultaneously, the air pump can directly discharge the extracted air into the mounting groove, so that the air flow rate in the mounting groove is rapidly increased, the micro-grid system can fix the mounting substrate in a mode of extracting external air in the use process, and meanwhile, the air pump can accelerate the cooling effect of the radiating fin, so that the micro-grid system can be kept in a low-temperature state in the running process, the damage caused by overhigh temperature in the running process of the micro-grid system is avoided, the long-time working in a high-temperature environment is reduced, the service life of the micro-grid system is also prolonged, and the actual use effect of the micro-grid system is guaranteed;
3. according to the micro-grid system, the air pump, the sealing plates and the elastic telescopic rods are arranged, the air pump can be used for extracting air in the piston sucker to fix the mounting base plate in the operation process, when the negative pressure in the piston sucker reaches a specified range, the sealing plates on two sides can be turned over oppositely along the pin shaft along the continuous operation of the air pump, so that external air enters the piston sucker through the ventilation groove, and when the internal pressure of the piston sucker is communicated with the outside while the fixing effect on the mounting base plate is kept, the air pump can guarantee the fixing effect of the micro-grid system, meanwhile, the damage of the air pump caused by the fact that the external air is difficult to extract is reduced, and the service life of the micro-grid system is guaranteed.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a three-dimensional structural diagram of a mounting substrate according to the present invention;
FIG. 3 is a schematic view showing a structure of the sealing plate of the present invention when it is unfolded;
FIG. 4 is an enlarged schematic view of the invention at A;
in the figure: the device comprises a mounting substrate 1, a direct current power supply 2, a direct current adjusting device 3, an isolation transformer 4, an AFE rectifying device 5, a generator rectifying device 6, a direct current protector 7, an alternating current inverter output device 8, a mounting groove 9, an air pump 10, a first guide pipe 11, a connector 12, a second guide pipe 13, a piston sucker 14, a ventilation groove 15, a pin shaft 16, a sealing plate 17, an elastic telescopic rod 18, a filter screen plate 19, a radiating fin 20 and an air outlet 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, the invention provides a wind, light, diesel and storage direct current bus microgrid system, which comprises a mounting substrate 1, a direct current power supply 2 is arranged on the front surface of the mounting substrate 1, a direct current regulating device 3 is arranged on the front surface of the mounting substrate 1, an isolation transformer 4 is arranged on the front surface of the mounting substrate 1, an AFE rectifying device 5 is arranged on the front surface of the mounting substrate 1, a generator rectifying device 6 is arranged on the front surface of the mounting substrate 1, a direct current protector 7 is arranged on the front surface of the mounting substrate 1, an alternating current inverter output device 8 is arranged on the front surface of the mounting substrate 1, two mounting grooves 9 are formed on the back surface of the mounting substrate 1, air pumps 10 are fixedly connected to the lower surfaces of the inner walls of the two mounting grooves 9, air inlets above the two air pumps 10 are respectively communicated with the bottom ends of the two first guide pipes 11, and the two first guide pipes 11 are fixedly connected with the back surfaces of the inner walls of the mounting grooves 9 through fixing blocks, the other two ends of the first conduit 11 are fixedly connected with one end of the opposite surfaces of the two connectors 12 respectively, the air pump 10 is communicated with the two connectors 12 through the first conduit 11 respectively, through arranging the direct current power supply 2, the direct current adjusting device 3, the isolating transformer 4, the AFE rectifying device 5, the generator rectifying device 6, the direct current protector 7 and the alternating current inversion output device 8, the microgrid system can support different use environments and current output, meanwhile, each power unit of the microgrid system is a data acquisition controller system and adopts a stable industrial control system configuration, and IOT and Microsoft AI cloud technologies are adopted for data analysis in control, so that the intelligent effect of the microgrid system is improved, and the microgrid system can convert alternating current and direct current, thereby reducing the loss of long-distance current transmission and reducing the cost of current transmission, the stability of the microgrid system during operation and use is guaranteed.
As shown in fig. 1 and 3, the top end and the bottom end of the connector 12 are respectively communicated with one end of the opposite surfaces of the two second conduits 13, the ends far away from the two second conduits 13 are respectively communicated with the outer surfaces of the two piston suckers 14, the number of the piston suckers 14 is eight, the outer surfaces of the corresponding four piston suckers 14 are fixedly connected with four corners of the inner wall of the same mounting groove 9, the piston suckers 14 are communicated with the mounting substrate 1, the left side surface and the right side surface of the mounting substrate 1 are respectively provided with a ventilation groove 15, the mounting substrate 1 can be fixed in a mode of extracting external air in the using process by arranging an air pump 10, the piston suckers 14, the radiating fins 20 and an air outlet 21, and the cooling effect of the radiating fins 20 can be accelerated by the air pump 10, so that the microgrid system can be kept at a low temperature in the operating process, the condition that damage appears because the temperature is too high at the in-process of operation of microgrid system is avoided, also reduces its long-time work in high temperature environment and influences its life to guarantee the actual result of use of this microgrid system, and the equal fixedly connected with round pin axle 16 of the upper surface and the lower surface of two ventilation slot 15 inner walls, the outer fixed surface of round pin axle 16 is connected with closing plate 17.
As shown in fig. 2 and 4, the upper surface of the inner wall of the ventilation slot 15 and the lower surface of the inner wall are hinged with the surfaces far away from the two sealing plates 17 through the pin shafts 16, the surfaces far away from the two sealing plates 17 are fixedly connected with elastic telescopic rods 18, the ventilation slots 15 are internally provided with filter screen plates 19, and because the sealing plates 17 and the elastic telescopic rods 18 are arranged, the outside air enters the piston sucker 14 through the ventilation slots 15, and when the internal pressure of the piston sucker 14 is communicated with the outside while maintaining the fixing effect on the mounting substrate 1, the air pump 10 can ensure the fixing effect of the microgrid system, meanwhile, the damage of the air pump 10 caused by the difficulty in pumping the outside air is reduced, the service life of the micro-grid system is ensured, the outer surface of the filter screen plate 19 is fixedly connected with the inner wall of the ventilation groove 15, the other ends corresponding to the two elastic telescopic rods 18 are respectively fixedly connected with the left side surface and the right side surface of the mounting base plate 1.
As shown in fig. 1 and 4, the elastic expansion link 18 is an arc expansion link, the inner wall of the mounting groove 9 is fixedly connected with a plurality of cooling fins 20, the upper surfaces of the inner walls of the two mounting grooves 9 are provided with air outlets 21, the two air outlets 21 are arranged on the upper surface of the mounting substrate 1, and the two air outlets 21 are provided with filter screens.
A direct-current power supply 2: the bidirectional power flow control device is used for bidirectional power flow control between a direct current bus and an energy storage medium, and can be used for current control, voltage control or power control charging and discharging.
Direct current adjustment device 3: the bidirectional power flow control circuit is used for bidirectional power flow control between a direct current bus and a direct current power supply 2 and is suitable for direct current access of green energy.
And (4) isolating the transformer: the standard transformer is isolated from the external power grid, and the high-voltage source can perform voltage reduction treatment.
AFE rectifying device 5: the power supply quality of the power grid is maintained, the stable direct-current power supply 2 is provided, and independent parallel connection without communication can be realized.
Generator rectifying device 6: the system is used for controlling the load, the speed and the braking torque of the generator and ensuring that the generator outputs necessary power when not overloaded.
The direct current protector 7: for fast detection of short circuit conditions in a direct current network and for fast separation of healthy parts from affected parts.
Ac inverter output device 8: the vector control device is used for vector control of the variable frequency motor, has all functions of a frequency converter, and can output a variable frequency power supply and a power frequency power supply.
The working principle of the invention is as follows: when the micro-grid system is used, the micro-grid system is required to be installed on a specified wall surface or a cabinet body, the air pump 10 is started after the eight piston suckers 14 on the back surface of the micro-grid system are contacted with the surface of the wall surface or the cabinet body, along with the operation of the air pump 10, the air pump 10 can enable the interior of the piston suckers 14 to form negative pressure through the air in the first guide pipe 11, the connector 12 and the second guide pipe 13, meanwhile, the air pump 10 can directly discharge the extracted air into the installation groove 9, so that the air flow rate in the installation groove 9 is rapidly increased, because the air pump 10 can fix the installation substrate 1 by extracting the air in the piston suckers 14 in the operation process, when the negative pressure in the piston suckers 14 reaches a specified range, along with the continuous operation of the air pump 10, the sealing plates 17 on the two sides can be turned over along the pin shafts 16 in opposite directions, so that the outside air enters the piston suckers 14 through the ventilation grooves 15, and when the internal pressure of the piston sucker 14 is in a state of being communicated with the outside while maintaining the fixing effect on the mounting substrate 1, the air pump 10 can ensure the fixing effect of the microgrid system.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (7)

1. The utility model provides a wind-solar-diesel-storage direct current bus microgrid system, includes mounting substrate (1), its characterized in that: the front surface of the mounting substrate (1) is provided with a direct current power supply (2), the front surface of the mounting substrate (1) is provided with a direct current adjusting device (3), the front surface of the mounting substrate (1) is provided with an isolation transformer (4), the front surface of the mounting substrate (1) is provided with an AFE rectifying device (5), the front surface of the mounting substrate (1) is provided with a generator rectifying device (6), the front surface of the mounting substrate (1) is provided with a direct current protector (7), the front surface of the mounting substrate (1) is provided with an alternating current inversion output device (8), the back surface of the mounting substrate (1) is provided with two mounting grooves (9), the lower surfaces of the inner walls of the two mounting grooves (9) are fixedly connected with air pumps (10), and air inlets above the two air pumps (10) are respectively communicated with the bottom ends of the two first guide pipes (11), and two first pipes (11) are fixedly connected with the back of the inner wall of the mounting groove (9) through the fixing block, the other two ends of the first pipes (11) are fixedly connected with one ends of the opposite surfaces of the two connectors (12) respectively, and the air pump (10) is communicated with the two connectors (12) through the first pipes (11) respectively.
2. The wind, solar, diesel and storage direct current bus microgrid system of claim 1 is characterized in that: the top end and the bottom end of the connector (12) are respectively communicated with one end of the opposite surfaces of the two second guide pipes (13), and the ends, far away from the corresponding two second guide pipes (13), are respectively communicated with the outer surfaces of the two piston suckers (14).
3. The wind, solar, diesel and storage direct current bus microgrid system of claim 2 is characterized in that: the number of the piston suckers (14) is eight, the outer surfaces of the corresponding four piston suckers (14) are fixedly connected to four corners of the inner wall of the same mounting groove (9), and the piston suckers (14) are communicated with the mounting base plate (1).
4. The wind, solar, diesel and storage direct current bus microgrid system of claim 1 is characterized in that: ventilating grooves (15) are formed in the left side face and the right side face of the mounting base plate (1), pin shafts (16) are fixedly connected to the upper surfaces and the lower surfaces of the inner walls of the two ventilating grooves (15), and sealing plates (17) are fixedly connected to the outer surfaces of the pin shafts (16).
5. The wind, solar, diesel and storage direct current bus microgrid system of claim 4 is characterized in that: the upper surface of ventilation groove (15) inner wall and the lower surface of inner wall pass through round pin axle (16) and articulate with the one side that two closing plates (17) kept away from mutually respectively, correspond two equal fixedly connected with elastic telescopic rod (18) of the one side that closing plates (17) kept away from mutually.
6. The wind, solar, diesel and storage direct current bus microgrid system of claim 5 is characterized in that: the ventilating groove (15) is internally provided with a filter screen plate (19), the outer surface of the filter screen plate (19) is fixedly connected with the inner wall of the ventilating groove (15), and the other ends corresponding to the two elastic telescopic rods (18) are fixedly connected with the left side surface and the right side surface of the mounting substrate (1) respectively.
7. The wind, solar, diesel and storage direct current bus microgrid system of claim 6 is characterized in that: elastic expansion rod (18) set up to the arc telescopic link, the inner wall fixedly connected with a plurality of fin (20) of mounting groove (9), and air exit (21) have all been seted up to the upper surface of two mounting grooves (9) inner wall, and just two air exits (21) are all seted up at the upper surface of mounting substrate (1), all are provided with the filter screen in two air exits (21).
CN202210405133.1A 2022-04-18 2022-04-18 Wind-solar-diesel-storage direct-current bus micro-grid system Pending CN114629157A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210405133.1A CN114629157A (en) 2022-04-18 2022-04-18 Wind-solar-diesel-storage direct-current bus micro-grid system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210405133.1A CN114629157A (en) 2022-04-18 2022-04-18 Wind-solar-diesel-storage direct-current bus micro-grid system

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Publication Number Publication Date
CN114629157A true CN114629157A (en) 2022-06-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117060469A (en) * 2023-08-03 2023-11-14 北京博威能源科技股份有限公司 Diesel oil and energy storage combined complementary generator set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117060469A (en) * 2023-08-03 2023-11-14 北京博威能源科技股份有限公司 Diesel oil and energy storage combined complementary generator set
CN117060469B (en) * 2023-08-03 2024-02-20 天津博威动力设备有限公司 Diesel oil and energy storage combined complementary generator set

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