CN215870786U - Wind-solar integrated machine electrical system wiring structure - Google Patents
Wind-solar integrated machine electrical system wiring structure Download PDFInfo
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- CN215870786U CN215870786U CN202122178635.9U CN202122178635U CN215870786U CN 215870786 U CN215870786 U CN 215870786U CN 202122178635 U CN202122178635 U CN 202122178635U CN 215870786 U CN215870786 U CN 215870786U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The utility model provides a wind-solar integrated machine electrical system wiring structure which comprises a tower drum photovoltaic power generation unit, a wind power generation unit, a box-type transformer, a 35kV power distribution device and a booster station, wherein the tower drum photovoltaic power generation unit is connected with the wind power generation unit; the tower barrel photovoltaic power generation unit is connected with a low-voltage breaker QF2 wire inlet end in the box type transformer, and the input side and the output side of the photovoltaic auxiliary transformer are respectively connected with a low-voltage breaker QF2 wire outlet end and an alternating current bus I; the wind power generation unit is connected with a low-voltage breaker QF1 wire inlet end in the box type transformer, and the alternating current bus I is connected with a low-voltage breaker QF1 wire outlet end and the low-voltage side of a transformer body in the box type transformer; the high-voltage side of the transformer body is connected with an incoming line breaker QF3 incoming line end in a 35kV power distribution device, and an incoming line breaker QF3 is connected with an alternating current bus II; the alternating current bus II is connected with the low-voltage side of the main transformer through an outgoing line breaker QF 4; the high-voltage side of the main transformer delivers power to the grid through an outlet breaker QF 5.
Description
Technical Field
The utility model relates to the technical field of wind power and photovoltaic power generation, in particular to a wind and light all-in-one machine electrical system wiring structure.
Background
On the project of utilizing wind energy and solar energy to generate electricity, the mode of adopting scene with the power station can more effectively utilize the land, simultaneously, wind power generation and photovoltaic power generation possess certain complementary characteristic, can combine two kinds of power generation forms to provide more stable output for the power station, improve booster station equipment utilization ratio, improve the stability and the reliability of system.
The height of the wind driven generator unit is different from 70-100 meters according to different output powers, the height of the wind driven generator tower can be further increased along with the technical progress, the area of the current mainstream tower is about 1000 square meters, and the wind driven generator tower can be provided with a photovoltaic installation machine about 100kW according to the existing flexible photovoltaic assembly technology.
Under the condition that the main wiring structure of the wind power plant is not changed, the wind generating set can output the electric energy of the fan, and the photovoltaic electric energy can be output after the photovoltaic module is installed by utilizing the tower barrel, so that the research is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wiring structure of an electrical system of a wind-solar integrated machine aiming at the defects in the prior art.
In order to achieve the purpose, the utility model provides a wind-solar integrated machine electrical system wiring structure, which comprises a tower drum photovoltaic power generation unit, a wind power generation unit, a box-type transformer, a 35kV power distribution device and a booster station;
the box-type transformer comprises a low-voltage circuit breaker QF1, a low-voltage circuit breaker QF2, an alternating current bus I, a photovoltaic auxiliary transformer and a transformer body, the 35kV power distribution device comprises an incoming line circuit breaker QF3, an alternating current bus II and an outgoing line circuit breaker QF4, and the booster station comprises a main transformer and an outgoing line circuit breaker QF 5;
the tower barrel photovoltaic power generation unit is connected with the wire inlet end of the low-voltage circuit breaker QF2, the wire outlet end of the low-voltage circuit breaker QF2 is connected with the input side of the photovoltaic auxiliary transformer, and the output side of the photovoltaic auxiliary transformer is connected with the alternating current bus I;
the wind power generation unit is connected with the wire inlet end of the low-voltage circuit breaker QF1, and the wire outlet end of the low-voltage circuit breaker QF1 is connected with the alternating current bus I;
the alternating current bus I collects electric energy and then is connected to the low-voltage side of the transformer body through a copper bar;
the high-voltage side of the transformer body is connected with a wire inlet end of a wire inlet breaker QF3, and the wire inlet breaker QF3 is connected with an alternating current bus II;
the alternating current bus II collects electric energy and then is connected with the low-voltage side of the main transformer through an outgoing line breaker QF 4;
the high-voltage side of the main transformer sends electric energy to a power grid through an outlet circuit breaker QF 5.
Preferably, the tower drum photovoltaic power generation unit comprises a fan tower drum and a string-type vertical inverter, the fan tower drum converts solar energy into direct current electric energy, and the direct current electric energy is converted into alternating current with the same frequency as a power grid through the string-type inverter.
Preferably, the surface of the fan tower drum is provided with a layer of flexible photovoltaic module.
Preferably, the wind power generation unit comprises a fan and a wind power and electric energy conversion device, and the wind power and electric energy conversion device is used for converting direct current generated by the fan into alternating current with the same frequency as a power grid.
Preferably, the photovoltaic auxiliary transformer and the transformer body are both arranged in a duplex winding structure.
Preferably, the photovoltaic auxiliary transformer and the transformer body are both arranged in an oil-immersed structure or a dry structure.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the wind-solar integrated machine electrical system wiring structure provided by the utility model fully considers the characteristics of wind power generation and photovoltaic power generation under the condition of not changing the main wiring structure of a wind power plant, reasonably utilizes each device in the system from the system structure of a wind-solar integrated machine power station, protects the system by arranging a circuit breaker and collects and transmits electric energy by arranging an alternating current bus, so that the two power generation forms of the wind-solar integrated machine power station are connected in a system below 35kV and can be effectively protected.
(2) According to the utility model, the flexible photovoltaic module is arranged on the surface of the wind-solar integrated machine tower drum, so that the overall efficiency of the wind-solar integrated machine electrical system is improved, and the installed capacity in unit area is improved.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic diagram of a wiring structure of an electrical system of a wind-solar integrated machine in an embodiment of the utility model.
Detailed Description
In order to make the aforementioned objects, features, advantages, and the like of the present invention more clearly understandable, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and are not to precise scale, and are provided for convenience and clarity in assisting the description of the embodiments of the present invention; the several references in this disclosure are not limited to the particular numbers in the examples of the figures; the directions or positional relationships indicated by ' front ' middle, ' rear ' left ', right ', upper ', lower ', top ', bottom ', middle ', etc. in the present invention are based on the directions or positional relationships shown in the drawings of the present invention, and do not indicate or imply that the devices or components referred to must have a specific direction, nor should be construed as limiting the present invention.
In this embodiment:
referring to fig. 1, the wiring structure of the wind-solar integrated machine electrical system comprises a tower drum photovoltaic power generation unit, a wind power generation unit, a box-type transformer, a 35kV power distribution device and a booster station;
the box-type transformer comprises a low-voltage circuit breaker QF1, a low-voltage circuit breaker QF2, an alternating current bus I, a photovoltaic auxiliary transformer and a transformer body, the 35kV power distribution device comprises an incoming line circuit breaker QF3, an alternating current bus II and an outgoing line circuit breaker QF4, and the booster station comprises a main transformer and an outgoing line circuit breaker QF 5;
the tower drum photovoltaic power generation unit comprises a fan tower drum and a string-type vertical inverter, wherein the fan tower drum converts solar energy into direct current electric energy, and the direct current electric energy is converted into alternating current with the same frequency as a power grid through the string-type inverter; the alternating current bus I collects electric energy and then is connected to a first winding on the low-voltage side of the transformer body through a copper bar;
the wind power generation unit comprises a fan and wind power and electric energy conversion equipment, the wind power and electric energy conversion equipment converts direct current generated by the fan into alternating current with the same frequency as a power grid, and is connected with the incoming line end of a low-voltage circuit breaker QF1 through an alternating current cable, the outgoing line end of a low-voltage circuit breaker QF1 is connected with an alternating current bus I, and the alternating current bus I collects electric energy and then is connected to a second winding on the low-voltage side of the transformer body through a copper bar;
the high-voltage side of the transformer body is connected with the wire inlet end of a wire inlet breaker QF3 of a 35kV power distribution device through a high-voltage cable, and a plurality of wire inlet breakers QF3 are connected through an alternating current bus II and transmit electric energy collected by the alternating current bus II to the low-voltage side of the main transformer through a wire outlet breaker QF 4;
the high-voltage side of the main transformer delivers power to the grid through an outlet breaker QF 5.
Preferably, the surface of the fan tower drum is provided with a layer of flexible photovoltaic module.
Preferably, the transformer in the box-type transformer is of a double-winding structure, and the transformer can be in an oil-immersed type or a dry type.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a wind-solar integrated machine electrical system wiring structure which characterized in that: the wind power generation system comprises a tower drum photovoltaic power generation unit, a wind power generation unit, a box-type transformer, a 35kV power distribution device and a booster station;
the box-type transformer comprises a low-voltage circuit breaker QF1, a low-voltage circuit breaker QF2, an alternating current bus I, a photovoltaic auxiliary transformer and a transformer body, the 35kV power distribution device comprises an incoming line circuit breaker QF3, an alternating current bus II and an outgoing line circuit breaker QF4, and the booster station comprises a main transformer and an outgoing line circuit breaker QF 5;
the tower barrel photovoltaic power generation unit is connected with the wire inlet end of the low-voltage circuit breaker QF2, the wire outlet end of the low-voltage circuit breaker QF2 is connected with the input side of the photovoltaic auxiliary transformer, and the output side of the photovoltaic auxiliary transformer is connected with the alternating current bus I;
the wind power generation unit is connected with the wire inlet end of the low-voltage circuit breaker QF1, and the wire outlet end of the low-voltage circuit breaker QF1 is connected with the alternating current bus I;
the alternating current bus I collects electric energy and then is connected to the low-voltage side of the transformer body through a copper bar;
the high-voltage side of the transformer body is connected with a wire inlet end of a wire inlet breaker QF3, and the wire inlet breaker QF3 is connected with an alternating current bus II;
the alternating current bus II collects electric energy and then is connected with the low-voltage side of the main transformer through an outgoing line breaker QF 4;
the high-voltage side of the main transformer sends electric energy to a power grid through an outlet circuit breaker QF 5.
2. The wind-solar integrated machine electrical system wiring structure according to claim 1, characterized in that: the tower drum photovoltaic power generation unit comprises a fan tower drum and a string type vertical inverter, wherein the fan tower drum converts solar energy into direct current electric energy, and the direct current electric energy is converted into alternating current with the same frequency as a power grid through the string type inverter.
3. The wind-solar integrated machine electrical system wiring structure according to claim 2, characterized in that: and a layer of flexible photovoltaic assembly is arranged on the surface of the fan tower cylinder.
4. The wind-solar integrated machine electrical system wiring structure according to claim 1, characterized in that: the wind power generation unit comprises a fan and wind power and electric energy conversion equipment, and the wind power and electric energy conversion equipment is used for converting direct current generated by the fan into alternating current with the same frequency as a power grid.
5. The wind-solar integrated machine electrical system wiring structure according to claim 1, characterized in that: the photovoltaic auxiliary transformer and the transformer body are both arranged in a duplex winding structure.
6. The wind-solar integrated machine electrical system wiring structure according to claim 5, characterized in that: the photovoltaic auxiliary transformer and the transformer body are both arranged to be of an oil-immersed structure or a dry structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122178635.9U CN215870786U (en) | 2021-09-09 | 2021-09-09 | Wind-solar integrated machine electrical system wiring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122178635.9U CN215870786U (en) | 2021-09-09 | 2021-09-09 | Wind-solar integrated machine electrical system wiring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215870786U true CN215870786U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122178635.9U Active CN215870786U (en) | 2021-09-09 | 2021-09-09 | Wind-solar integrated machine electrical system wiring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215870786U (en) |
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2021
- 2021-09-09 CN CN202122178635.9U patent/CN215870786U/en active Active
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