CN216699524U - Integrated wind power energy storage system - Google Patents
Integrated wind power energy storage system Download PDFInfo
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- CN216699524U CN216699524U CN202122275418.1U CN202122275418U CN216699524U CN 216699524 U CN216699524 U CN 216699524U CN 202122275418 U CN202122275418 U CN 202122275418U CN 216699524 U CN216699524 U CN 216699524U
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model discloses an integrated wind power energy storage system which comprises energy storage equipment, a wind turbine generator system and a wind power generation system, wherein the energy storage equipment comprises a current transformer and an energy storage module, the current transformer is connected with a bus of a wind turbine generator set, and the energy storage module is connected with the current transformer; the power acquisition equipment comprises a current transformer and a power transmitter, wherein the power transmitter is connected with the current transformer, and the power acquisition equipment is connected with an electric energy output port of the wind turbine generator. According to the utility model, the storage of the surplus electric energy through the energy storage equipment is realized while the demand of the power grid is met, and the surplus electric energy stored before is put into the power grid again when the wind turbine generator cannot meet the demand of the power grid through the energy storage equipment and the power acquisition equipment, so that the influence on the stability of the power grid due to the fluctuation and the clearance of wind power generation is solved, and the wind turbine generator is ensured to provide stable alternating current for the power grid.
Description
Technical Field
The utility model relates to the technical field of wind power energy storage, in particular to an integrated wind power energy storage system.
Background
Wind power generation is a new energy product with the most development potential in the 21 st century, and is the key point of new energy development. Wind power generation is one of the most mature power generation modes with the most extensive development prospect and the most commercial development prospect in renewable energy development, and due to the prominent effects of the wind power generation on reducing environmental pollution, adjusting energy structures and the like, the wind power generation is more and more emphasized by all countries in the world and is widely developed and applied.
However, the randomness of wind power generation is high, the fluctuation and the gap of the wind power generation have certain influence on the stability of a power grid, the energy storage system can be used for realizing the space-time translation of wind power resources and improving the quality of electric energy, and the problems are effectively solved. However, the existing energy storage system and the existing wind turbine generator set cannot realize effective coordination control, and the energy storage function cannot be effectively exerted.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
In order to solve the technical problems, the utility model provides the following technical scheme: integration wind-powered electricity generation energy storage system, it includes: the energy storage equipment comprises a current transformer and an energy storage module, wherein the current transformer is connected with a bus of the wind turbine generator, and the energy storage module is connected with the current transformer; the power acquisition equipment comprises a current transformer and a power transmitter, wherein the power transmitter is connected with the current transformer, and the power acquisition equipment is connected with an electric energy output port of the wind turbine generator.
As a preferred scheme of the integrated wind power energy storage system, the integrated wind power energy storage system comprises the following steps: the energy storage equipment is arranged at the bottom of the tower barrel of the wind turbine generator.
As a preferred scheme of the integrated wind power energy storage system, the integrated wind power energy storage system comprises the following steps: the converter is connected with the alternating current bus side of the wind turbine generator and adopts an AC/DC converter.
As a preferred scheme of the integrated wind power energy storage system, the integrated wind power energy storage system comprises the following steps: the alternating current bus side of the wind turbine generator is connected with the converter through a rectifier, and the converter adopts a DC/DC converter.
As a preferred scheme of the integrated wind power energy storage system, the integrated wind power energy storage system comprises the following steps: the energy storage module comprises a plurality of battery packs and a battery pack controller, wherein the battery pack controller is connected with the plurality of battery packs in series.
As a preferred scheme of the integrated wind power energy storage system, the integrated wind power energy storage system comprises the following steps: the power acquisition equipment is arranged at the bottom of the tower barrel of the wind turbine generator, and the current transformer is connected with a current output port of the wind turbine generator and used for acquiring current at a current outlet end.
As a preferred scheme of the integrated wind power energy storage system, the integrated wind power energy storage system comprises the following steps: the power acquisition equipment further comprises a 24V power converter and a high-pass filter, wherein the 24V power converter is connected with the current transformer and the power transmitter through the high-pass filter.
As a preferred scheme of the integrated wind power energy storage system, the integrated wind power energy storage system comprises the following steps: and a supporting platform is arranged at the tower bottom of the wind turbine generator and used for installing energy storage equipment and power acquisition equipment.
As a preferred scheme of the integrated wind power energy storage system, the integrated wind power energy storage system comprises the following steps: the battery pack adopts a chemical lithium battery.
The utility model has the beneficial effects that: according to the utility model, the storage of the surplus electric energy through the energy storage equipment is realized while the demand of the power grid is met, and the surplus electric energy stored before is put into the power grid again when the wind turbine generator cannot meet the demand of the power grid through the energy storage equipment and the power acquisition equipment, so that the influence on the stability of the power grid due to the fluctuation and the clearance of wind power generation is solved, and the wind turbine generator is ensured to provide stable alternating current for the power grid.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is a schematic view of the mounting structure of the present invention.
Fig. 2 is a schematic diagram of the connection of the energy storage system in embodiment 2.
Fig. 3 is a schematic diagram of the connection of the energy storage system in embodiment 3.
Fig. 4 is a schematic structural diagram of an energy storage module according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present invention provides an integrated wind power energy storage system, which includes: the energy storage system 100 is used for storing electric energy of the wind turbine generator when the wind turbine generator is in high-power output, and comprises a converter 101 and an energy storage module 102, wherein the converter 101 is connected with a bus of the wind turbine generator, the converter 101 rectifies output current of the wind turbine generator into alternating current and then transmits the alternating current to the energy storage module 102 for storage, and the energy storage module 102 is connected with the converter 101; the power collecting device 200 is used for measuring and collecting the real-time output power of the wind turbine generator and comprises a current transformer 201 and a power transmitter 202, the power transmitter 202 is connected with the current transformer 201, the power collecting device 200 is connected with an electric energy output port of the wind turbine generator, the current transformer 201 is used for collecting the current of the output end of the wind turbine generator and transmitting the current to the power transmitter 202, and the power transmitter 202 calculates the real-time power of the wind turbine generator according to the collected current value.
The real-time output power of the wind turbine generator is measured and collected through the power collection equipment 200, when the wind turbine generator is in a high-power output state, the wind turbine generator simultaneously supplies power to an accessed power grid and the energy storage equipment 100, and the surplus electric energy is stored through the energy storage equipment 100 while the power grid demand is met; when the wind turbine is in a low power output state, the energy storage device 100 simultaneously accesses the previously stored electric energy into the power grid while the wind turbine supplies power to the accessed power grid to meet the demand of the power grid.
In the embodiment, the energy storage device 100 and the power acquisition device 200 are used for storing the surplus electric energy through the energy storage device 100 while the power grid demand is met and for putting the surplus electric energy stored before into the power grid again when the wind turbine generator cannot meet the power grid demand, so that the influence on the stability of the power grid due to the volatility and the clearance of wind power generation is avoided, and the wind turbine generator is guaranteed to provide stable alternating current for the power grid.
Example 2
Referring to fig. 1, 2 and 4, a second embodiment of the present invention, which is different from the first embodiment, is: energy storage equipment 100 sets up in wind turbine generator system tower cylinder bottom, installs energy storage equipment 100 in wind turbine generator system tower cylinder bottom, has saved a large amount of areas, has reduced a large amount of civil engineering, has reduced energy storage equipment's construction cost.
Further, the converter 101 is connected with the alternating current bus side of the wind turbine generator, the converter 101 is an AC/DC converter, the converter 101 rectifies alternating current output by the alternating current bus of the wind turbine generator into direct current and then transmits the direct current to the energy storage module 102 for storage, and similarly, when the output power of the wind turbine generator is low, the converter 101 rectifies the direct current stored by the energy storage module 102 into alternating current and outputs the alternating current to the power grid. The energy storage module 102 includes a plurality of battery packs 102a and a battery pack controller 102b, the battery pack controller 102b is connected in series with the plurality of battery packs 102a, the plurality of battery packs 102a are connected in series with each other and are connected with the battery pack controller 102b, the series battery pack 102a is used for storing electric energy of the wind turbine, and the battery pack controller 102b is used for controlling charging and discharging of the battery pack 102a and adjusting charging and discharging states of the battery pack 102a according to output power of the wind turbine.
Further, power acquisition equipment 200 sets up in wind turbine generator system tower cylinder bottom, and current transformer 201 connects the current output port of wind turbine generator system for gather electric current outlet end electric current, power acquisition equipment 200 sets up in wind turbine generator system tower cylinder bottom equally, realizes integrating of energy storage equipment 100 and power acquisition equipment 200, is convenient for to the maintenance of the two. The current transformer 201 is used for converting high-voltage electricity generated by the wind turbine generator into low-voltage electricity so as to measure and calculate subsequent power, and the power transmitter 202 connected with the current transformer 201 calculates the real-time power of the wind turbine generator according to the current collected by the current transformer 201.
Example 3
Referring to fig. 1, 3 and 4, a third embodiment of the present invention, which differs from the first two embodiments, is: the alternating current bus side of the wind turbine generator is connected with the converter 101 through the rectifier 103, the converter 101 adopts a DC/DC converter, the rectifier 103 rectifies alternating current output by the alternating current bus of the wind turbine generator into direct current, and then the direct current is transmitted to the energy storage module 102 through the converter 101 to be stored, and similarly, when the output power of the wind turbine generator is low, the converter 101 outputs the direct current stored by the energy storage module 102 to a power grid again.
Further, the power collecting device 200 further includes a 24V power converter and a high pass filter, the 24V power converter is connected to the current transformer 201 and the power transmitter 202 through the high pass filter, the 24V power converter can be connected to an external power source, the external power source is converted into a 24V power source, and a 24V direct current is generated through the high pass filter to supply power to each device in the power collecting device 200.
Further, a supporting platform is arranged at the bottom of the wind turbine generator system tower and used for installing the energy storage device 100 and the power acquisition device 200, the energy storage device 100 and the power acquisition device 200 are installed at the bottom of the wind turbine generator system tower through the supporting platform, integration of the energy storage device 100 and the power acquisition device 200 is achieved, the occupied area is reduced, and the maintenance of the energy storage device 100 and the power acquisition device 200 is facilitated. The battery pack 102a employs a chemical lithium battery.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (9)
1. Integration wind-powered electricity generation energy storage system, including wind turbine generator system, its characterized in that: comprises the steps of (a) preparing a substrate,
the energy storage equipment (100) comprises a current transformer (101) and an energy storage module (102), wherein the current transformer (101) is connected with a bus of the wind turbine generator, and the energy storage module (102) is connected with the current transformer (101);
the power acquisition equipment (200) comprises a current transformer (201) and a power transmitter (202), the power transmitter (202) is connected with the current transformer (201), and the power acquisition equipment (200) is connected with an electric energy output port of the wind turbine generator.
2. The integrated wind power energy storage system of claim 1, wherein: the energy storage device (100) is arranged at the bottom of the tower barrel of the wind turbine generator.
3. The integrated wind power energy storage system of claim 2, wherein: the converter (101) is connected with the alternating current bus side of the wind turbine generator, and the converter (101) adopts an AC/DC converter.
4. The integrated wind power energy storage system of claim 2, wherein: the alternating current bus side of the wind turbine generator is connected with the converter (101) through a rectifier (103), and the converter (101) adopts a DC/DC converter.
5. The integrated wind power energy storage system according to claim 3 or 4, wherein: the energy storage module (102) comprises a plurality of battery packs (102a) and a battery pack controller (102b), wherein the battery pack controller (102b) is connected with the plurality of battery packs (102a) in series.
6. The integrated wind power energy storage system of claim 5, wherein: the power acquisition equipment (200) is arranged at the bottom of the tower of the wind turbine generator, and the current transformer (201) is connected with a current output port of the wind turbine generator.
7. The integrated wind power energy storage system of claim 6, wherein: the power acquisition equipment (200) further comprises a 24V power converter and a high-pass filter, wherein the 24V power converter is connected with the current transformer (201) and the power transmitter (202) through the high-pass filter.
8. The integrated wind power energy storage system of claim 7, wherein: the tower bottom of the wind turbine generator is provided with a supporting platform, and an energy storage device (100) and a power acquisition device (200) are installed on the supporting platform.
9. The integrated wind power energy storage system of claim 8, wherein: the battery pack (102a) adopts a chemical lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122275418.1U CN216699524U (en) | 2021-09-18 | 2021-09-18 | Integrated wind power energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122275418.1U CN216699524U (en) | 2021-09-18 | 2021-09-18 | Integrated wind power energy storage system |
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| Publication Number | Publication Date |
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| CN216699524U true CN216699524U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122275418.1U Active CN216699524U (en) | 2021-09-18 | 2021-09-18 | Integrated wind power energy storage system |
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| CN (1) | CN216699524U (en) |
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2021
- 2021-09-18 CN CN202122275418.1U patent/CN216699524U/en active Active
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