CN114498731A - Wind-solar storage charging-discharging integrated equipment - Google Patents
Wind-solar storage charging-discharging integrated equipment Download PDFInfo
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- CN114498731A CN114498731A CN202111628167.9A CN202111628167A CN114498731A CN 114498731 A CN114498731 A CN 114498731A CN 202111628167 A CN202111628167 A CN 202111628167A CN 114498731 A CN114498731 A CN 114498731A
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- energy storage
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- 238000007599 discharging Methods 0.000 title claims abstract description 34
- 238000007600 charging Methods 0.000 claims abstract description 56
- 238000010248 power generation Methods 0.000 claims abstract description 40
- 238000004146 energy storage Methods 0.000 claims abstract description 32
- 230000005611 electricity Effects 0.000 claims abstract description 16
- 230000010354 integration Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 11
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 3
- 229910052987 metal hydride Inorganic materials 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- 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
-
- 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
- H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
-
- 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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses wind-solar energy storage and charging-discharging integrated equipment which comprises a charging module, an energy storage module, a discharging module and a strategy and communication module. The invention has the beneficial effects that: the device is more complete in function, and a clean energy power generation system can be set up in a personalized manner according to actual conditions due to the modular design of the device; the efficiency is higher, the photovoltaic electricity is converted into alternating current by direct current inversion only when the system needs, if the electrical appliance does not need, the photovoltaic electricity is stored in the battery, and the photovoltaic direct current can directly charge the stored energy; wind power generation can be directly connected to the internet; the utilization rate of clean energy can be improved; the electronic devices required by the photovoltaic inversion to alternating current and the wind power rectification to direct current can be shared by the energy-storing bidirectional rectifying inverter, so that the cost of the whole system is reduced, the integration level is improved, the space utilization rate is improved, the quality standard of the electronic devices is unified, and the stability is improved.
Description
Technical Field
The invention relates to a wind and light integrated device, in particular to a wind and light storage and charging and discharging integrated device, and belongs to the technical field of intelligent energy.
Background
In order to realize the wisdom utilization to the electric energy, fill electric pile integrated sharing device together with wind power generation, photovoltaic power generation, energy storage controller, energy storage, electric automobile, can reach reduce cost, increase effects such as stability, but to current intelligent equipment, often have following not enough:
1. for the existing outdoor 1800W high-capacity solar charging 220V mobile emergency self-driving standby outdoor power supply, although the outdoor emergency power supply function and the solar direct charging interface are provided, the outdoor emergency power supply lacks the wind power charging function and the grid connection function;
2. for the existing light storage and charging integrated equipment of the intelligent power supply system, the wind-power-free charging function is lacked; and photovoltaic power generation needs to be inverted into alternating current for grid connection, then the alternating current is rectified into direct current to be stored in the stored energy, in addition, management software of an energy storage system has no function of automatically matching a 'maximum profit' strategy, a discharging function in wind and light storage and charging 'discharging' is not designed with emphasis, and a huge electricity charge difference value can be generated if the peak clipping and valley filling function of the stored energy is applied properly.
Disclosure of Invention
The invention aims to solve the problems and provide a wind-solar energy storage and charging integrated device.
The invention realizes the purpose through the following technical scheme: a wind-solar energy storage and charging-discharging integrated device comprises
The charging module is connected with an external power generation device and a power grid and consists of a wind power interface electrically connected with the wind power generation device, a photovoltaic interface electrically connected with the photovoltaic power generation device and a power grid interface electrically connected with the power grid;
the energy storage module is electrically connected with the output end of the charging module and is used for storing electric energy generated by the wind power generation device and the photovoltaic power generation device which are connected with the charging module under the condition of no electric equipment and storing residual electric energy of the power generation device under the condition of electric equipment;
the discharging module is connected with peripheral electric equipment to provide electric energy, is electrically connected with the output end of the energy storage module, and consists of a 380V interface electrically connected with a peripheral high-power load, a fast charging interface and a slow charging interface electrically connected with the electric automobile, and a 220V interface electrically connected with other electric equipment;
and the strategy and communication module is used for carrying out strategy management on the electric energy and sending corresponding charging and power supplying instructions to the charging module and the discharging module according to the specific requirements of a user or automatically matching the charging and discharging strategy of 'income maximization'.
As a still further scheme of the invention: each module of the device is designed independently, and a clean energy power generation system can be set up in a personalized manner according to actual conditions.
As a still further scheme of the invention: the inverter used for inverting the photovoltaic power input by the photovoltaic interface into alternating current in the charging module and the rectifier used for rectifying the wind power input by the wind power interface into direct current can be shared by the inverter and the rectifier used when the electric energy is output to the electric equipment in the discharging module.
As a still further scheme of the invention: photovoltaic electricity input by a photovoltaic interface in the charging module can directly charge the energy storage module, and wind power input by a wind power interface can directly supply power to the Internet.
As a still further scheme of the invention: the energy storage module adopts a lithium iron phosphate battery with high energy density or a nickel-metal hydride battery with stable performance.
As a still further scheme of the invention: the strategy and the communication module are in signal transmission connection with a peripheral cloud server, and the cloud server is used for performing the following steps:
1. peak-valley electricity utilization price; the net surfing electricity price of clean energy;
2. whether to connect the grid or not;
3. a user operating characteristic;
4. wind and light power generation power;
5. energy storage capacity and charge-discharge power;
6. a user-specific requirement;
7. a power grid instruction;
and automatically matching the charge and discharge strategy of 'income maximization'.
The invention has the beneficial effects that:
1. the device is more complete in function, and a clean energy power generation system can be set up in a personalized manner according to actual conditions due to the modular design of the device;
2. the efficiency is higher, photovoltaic electricity is converted into alternating current by direct current inversion only when the system is in need, if the electrical appliance is not in need, the photovoltaic electricity is stored in the battery, and the photovoltaic direct current can directly charge the stored energy; wind power generation can be directly connected to the internet; the utilization rate of clean energy can be improved;
3. electronic devices required by the photovoltaic inversion into alternating current and the wind power rectification into direct current can be shared with the energy-storing bidirectional rectifying inverter, so that the overall system cost is reduced, the integration level is improved, the space utilization rate is improved, the electronic devices have unified quality standards, and the stability is improved;
4. the income is higher, and is more intelligent, like in photovoltaic power generation, the net is incorporated into the power networks and is sent one degree of electric income 0.4 yuan, spends 1.2 yuan with one degree of electricity evening. In the control strategy, the power can be adjusted to be one-hour power generation, one-hour power storage and 0.8 yuan of power consumption at night.
Drawings
FIG. 1 is a schematic diagram of the functional module of the present invention;
FIG. 2 is a schematic diagram illustrating the module analysis according to the present invention.
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.
Example one
Referring to fig. 1-2, a wind-solar energy storage and charging-discharging integrated device includes
The charging module is connected with an external power generation device and a power grid and consists of a wind power interface electrically connected with the wind power generation device, a photovoltaic interface electrically connected with the photovoltaic power generation device and a power grid interface electrically connected with the power grid;
the energy storage module is electrically connected with the output end of the charging module and is used for storing electric energy generated by the wind power generation device and the photovoltaic power generation device which are connected with the charging module under the condition of no electric equipment and storing residual electric energy of the power generation device under the condition of electric equipment;
the discharging module is connected with peripheral electric equipment to provide electric energy, is electrically connected with the output end of the energy storage module, and consists of a 380V interface electrically connected with a peripheral high-power load, a fast charging interface and a slow charging interface electrically connected with the electric automobile, and a 220V interface electrically connected with other electric equipment;
and the strategy and communication module is used for carrying out strategy management on the electric energy and sending corresponding charging and power supplying instructions to the charging module and the discharging module according to the specific requirements of a user or automatically matching the charging and discharging strategy of 'income maximization'.
In the embodiment of the invention, each module of the equipment is independently designed, the clean energy power generation system can be set up according to the actual situation in a personalized manner, and a user can set up and assemble the equipment in a targeted manner according to the specific use situation, so that the overall system cost is reduced.
Example two
Referring to fig. 2, a wind-solar energy storage and charging-discharging integrated device includes
The charging module is connected with an external power generation device and a power grid and consists of a wind power interface electrically connected with the wind power generation device, a photovoltaic interface electrically connected with the photovoltaic power generation device and a power grid interface electrically connected with the power grid;
and the discharging module is connected with the peripheral electric equipment to provide electric energy, is electrically connected with the output end of the energy storage module, and consists of a 380V interface electrically connected with a peripheral high-power load, a fast charging interface and a slow charging interface electrically connected with the electric automobile, and a 220V interface electrically connected with other electric equipment.
In the embodiment of the invention, an inverter used for inverting the photovoltaic power input by the photovoltaic interface into the alternating current in the charging module and a rectifier used for rectifying the wind power input by the wind power interface into the direct current can be shared by the inverter and the rectifier used for outputting the electric energy to the electric equipment in the discharging module, so that the integration level is improved, and the space utilization rate is further improved.
In the embodiment of the invention, the photovoltaic power input by the photovoltaic interface in the charging module can directly charge the energy storage module, and the wind power input by the wind power interface can directly supply power to the internet, so that the utilization rate of clean energy can be improved.
EXAMPLE III
Referring to fig. 2, a wind-solar energy storage and charging-discharging integrated device includes
The energy storage module is electrically connected with the output end of the charging module and is used for storing electric energy generated by the wind power generation device and the photovoltaic power generation device which are connected with the charging module under the condition of no electric equipment and storing residual electric energy of the power generation device under the condition of electric equipment;
and the strategy and communication module is used for carrying out strategy management on the electric energy and sending corresponding charging and power supplying instructions to the charging module and the discharging module according to the specific requirements of a user or automatically matching the charging and discharging strategy of 'income maximization'.
In the embodiment of the invention, the energy storage module adopts a lithium iron phosphate battery with high energy density or a nickel-metal hydride battery with stable performance.
In the embodiment of the present invention, the policy and communication module is in signal transmission connection with a peripheral cloud server, and the cloud server is according to:
1. peak-valley electricity utilization price; the net surfing electricity price of clean energy;
2. whether to connect the grid or not;
3. a user operating characteristic;
4. wind and light power generation power;
5. energy storage capacity and charge-discharge power;
6. a user-specific requirement;
7. a power grid instruction;
and automatically matching the charge and discharge strategy of 'income maximization'.
The working principle is as follows: storing the wind power and the photovoltaic power input in the charging module, directly supplying the wind power and the photovoltaic power to the power utilization equipment, and using the electricity price according to the peak valley; the charging and discharging strategy can automatically match the strategy and the communication module with the charging and discharging strategy of 'maximum profit' according to the net surfing electricity price of clean energy, whether the net is connected, the working characteristics of a user, the wind-solar power generation power, the stored energy quantity and the charging and discharging power, the specific requirements of the user and the power grid instruction.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a wind-solar energy stores up fills integration equipment of filling which characterized in that: comprises that
The charging module is connected with an external power generation device and a power grid and consists of a wind power interface electrically connected with the wind power generation device, a photovoltaic interface electrically connected with the photovoltaic power generation device and a power grid interface electrically connected with the power grid;
the energy storage module is electrically connected with the output end of the charging module and is used for storing electric energy generated by the wind power generation device and the photovoltaic power generation device which are connected with the charging module under the condition of no electric equipment and storing residual electric energy of the power generation device under the condition of electric equipment;
the discharging module is connected with peripheral electric equipment to provide electric energy, is electrically connected with the output end of the energy storage module, and consists of a 380V interface electrically connected with a peripheral high-power load, a fast charging interface and a slow charging interface electrically connected with the electric automobile, and a 220V interface electrically connected with other electric equipment;
and the strategy and communication module is used for carrying out strategy management on the electric energy and sending corresponding charging and power supplying instructions to the charging module and the discharging module according to the specific requirements of a user or automatically matching the charging and discharging strategy of 'income maximization'.
2. The wind-solar energy storage, charging and discharging integrated device according to claim 1, wherein: each module of the device is designed independently, and a clean energy power generation system can be set up in a personalized manner according to actual conditions.
3. The wind-solar energy storage, charging and discharging integrated device according to claim 1, wherein: the inverter used for inverting the photovoltaic power input by the photovoltaic interface into alternating current in the charging module and the rectifier used for rectifying the wind power input by the wind power interface into direct current can be shared by the inverter and the rectifier used when the electric energy is output to the electric equipment in the discharging module.
4. The wind-solar energy storage, charging and discharging integrated device according to claim 1, wherein: photovoltaic electricity input by a photovoltaic interface in the charging module can directly charge the energy storage module, and wind power input by a wind power interface can directly supply power to the Internet.
5. The wind-solar energy storage, charging and discharging integrated device according to claim 1, wherein: the energy storage module adopts a lithium iron phosphate battery with high energy density or a nickel-metal hydride battery with stable performance.
6. The wind-solar energy storage, charging and discharging integrated device according to claim 1, wherein: the strategy and the communication module are in signal transmission connection with a peripheral cloud server, and the cloud server is used for performing the following steps:
1. peak-valley electricity utilization price; the net surfing electricity price of clean energy;
2. whether to connect the grid or not;
3. a user operating characteristic;
4. wind and light power generation power;
5. energy storage capacity and charge-discharge power;
6. a user-specific requirement;
7. a power grid instruction;
and automatically matching the charge and discharge strategy of 'income maximization'.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111628167.9A CN114498731A (en) | 2021-12-28 | 2021-12-28 | Wind-solar storage charging-discharging integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111628167.9A CN114498731A (en) | 2021-12-28 | 2021-12-28 | Wind-solar storage charging-discharging integrated equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114498731A true CN114498731A (en) | 2022-05-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111628167.9A Withdrawn CN114498731A (en) | 2021-12-28 | 2021-12-28 | Wind-solar storage charging-discharging integrated equipment |
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| Country | Link |
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| CN (1) | CN114498731A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118953085A (en) * | 2024-08-08 | 2024-11-15 | 贵安新区配售电有限公司 | A system and method for improving charging efficiency of a light storage and charging system |
-
2021
- 2021-12-28 CN CN202111628167.9A patent/CN114498731A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118953085A (en) * | 2024-08-08 | 2024-11-15 | 贵安新区配售电有限公司 | A system and method for improving charging efficiency of a light storage and charging system |
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Application publication date: 20220513 |
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