CN221806485U - Near-zero carbon emission energy supply system suitable for expressway station - Google Patents
Near-zero carbon emission energy supply system suitable for expressway station Download PDFInfo
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- CN221806485U CN221806485U CN202420301401.XU CN202420301401U CN221806485U CN 221806485 U CN221806485 U CN 221806485U CN 202420301401 U CN202420301401 U CN 202420301401U CN 221806485 U CN221806485 U CN 221806485U
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 73
- 238000010248 power generation Methods 0.000 claims abstract description 40
- 230000005611 electricity Effects 0.000 claims description 19
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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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Abstract
The utility model discloses a near-zero carbon emission energy supply system suitable for expressway stations, which comprises a photovoltaic power generation unit, an external power grid unit, a power storage and supply unit, a user unit and an intelligent energy management system, wherein the photovoltaic power generation unit, the external power grid unit and the power storage and supply unit are connected through a power transmission cable, the photovoltaic power generation unit, the external power grid unit and the power storage and supply unit are connected with the user unit through the power transmission cable, and the intelligent energy management system monitors the photovoltaic power generation unit, the external power grid unit, the power storage and supply unit and the user unit.
Description
Technical Field
The utility model relates to the technical field of new energy technology application, in particular to a near-zero carbon emission energy supply system suitable for expressway stations.
Background
In the traffic field, the current expressway electricity consumption is mainly in an external power grid power supply mode, and the electricity consumption is large, so that it is important to develop a near-zero carbon emission energy supply system and method suitable for expressway stations.
Photovoltaic power generation is a technology that uses the photovoltaic effect of a semiconductor interface to directly convert light energy into electrical energy. The solar energy power generation system mainly comprises three parts of a solar cell panel (assembly), a controller and an inverter, wherein the main parts are composed of electronic components. The solar cells are packaged and protected after being connected in series, so that a large-area solar cell assembly can be formed, and the photovoltaic power generation device is formed by matching with components such as a power controller.
The wind power generation converts wind kinetic energy into mechanical kinetic energy and then converts the mechanical energy into electric kinetic energy. The principle of wind power generation is that wind power is utilized to drive windmill blades to rotate, and then the rotating speed is increased through a speed increaser so as to promote a generator to generate electricity. According to the current windmill technology, the power generation can be started at a wind speed (the degree of breeze) of about three meters per second.
Clean energy resources such as global wind energy, water energy and solar energy are very abundant, but the clean energy cannot stably provide energy output for a long time, the energy supplement and peak regulation of the existing energy system is needed or an energy storage and peak regulation system is independently configured, and the available space of the expressway is large, such as the space of a building roof, a parking shed, a field area, a green belt and the like, part of mountain areas are rich in sunlight resources and wind resources, and the scheme of energy complementation is facilitated to be realized, so that near-zero carbon emission of expressway stations is realized.
Accordingly, based on the above technical problems, there is a need for developing a near zero carbon emission energy supply system suitable for expressway stations.
Disclosure of Invention
The utility model aims to provide a near-zero carbon emission energy supply system suitable for expressway stations.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model discloses a near-zero carbon emission energy supply system suitable for expressway stations, which comprises a photovoltaic power generation unit, an external power grid unit, a power storage and supply unit, a user unit and an intelligent energy management system, wherein the photovoltaic power generation unit and the external power grid unit are connected with the power storage and supply unit through power transmission cables, the photovoltaic power generation unit, the external power grid unit and the power storage and supply unit are connected with the user unit through the power transmission cables, and the intelligent energy management system monitors the photovoltaic power generation unit, the external power grid unit, the power storage and supply unit and the user unit.
Further, the photovoltaic power generation unit comprises a solar photovoltaic panel, a power transmission end of the solar photovoltaic panel is connected with a direct current combiner box through a power transmission cable, a power transmission end of the direct current combiner box is connected with a second inverter through the power transmission cable, and the second inverter is connected with the user unit through the power transmission cable.
Further, the power transmission end of the power storage and supply unit is electrically connected with the power receiving end of the second inverter through a power transmission cable, the power transmission end of the direct current combiner box is further electrically connected with a photovoltaic controller through the power transmission cable, and the power transmission end of the photovoltaic controller is electrically connected with the power receiving end of the power storage and supply unit through the power transmission cable.
Further, the power transmission end of the direct current combiner box is further electrically connected with a first inverter through a power transmission cable, and the power transmission end of the first inverter is connected with the power connection end of an external power grid unit through a boosting system, so that residual electricity surfing is realized.
Further, the power transmission end of the external power grid unit is connected with a transformer through a power transmission cable, and one power transmission end of the transformer is electrically connected with the user unit through the power transmission cable.
Further, the other power transmission end of the transformer is connected with a controller through a power transmission cable, and the power transmission end of the controller is connected with the power receiving end of the power storage and supply unit through the power transmission cable.
In the technical scheme, the near-zero carbon emission energy supply system suitable for the expressway station has the following beneficial effects:
according to the utility model, the photovoltaic power generation unit, the external power grid unit and the power storage and supply unit are coupled to supply power to the user unit, and the intelligent energy management system is utilized to monitor the whole system, so that the utilization potential of clean energy is greatly increased, and the purpose of near zero carbon emission of expressway stations is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of a near zero carbon emission energy supply system suitable for highway stations;
FIG. 2 is a schematic diagram of the operation of a near zero carbon emission energy supply system suitable for highway stations.
In the figure: 100. a photovoltaic power generation unit; 110. a solar photovoltaic panel; 120. a direct current combiner box; 130. a photovoltaic controller; 140. a first inverter; 150. a boosting system; 160. a second inverter; 200. an external grid unit; 210. a transformer; 220. a controller; 300. a power storage and supply unit; 400. a subscriber unit; 500. an intelligent energy management system.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
See fig. 1-2;
The utility model relates to a near-zero carbon emission energy supply system suitable for expressway sites, which comprises a photovoltaic power generation unit 100, an external power grid unit 200, a power storage and supply unit 300, a user unit 400 and an intelligent energy management system 500, wherein the photovoltaic power generation unit 100 and the external power grid unit 200 are connected with the power storage and supply unit 300 through a power transmission cable, the photovoltaic power generation unit 100 is arranged for generating electricity through solar energy, so that electricity of the user unit 400 can be supplied, the photovoltaic power generation unit 100, the external power grid unit 200 and the power storage and supply unit 300 are connected with the user unit 400 through a power transmission cable, the arranged photovoltaic power generation unit 100 and the power storage and supply unit 300 can directly supply power to the user unit 400 when needed, and electricity can be stored in the power storage and supply unit 300, so that the power storage and supply unit 300 supplies power when the user unit 400 needs power, the intelligent energy management system 500 monitors the photovoltaic power generation unit 100, the external power grid unit 200, the power storage and supply unit 300 and the user unit 400, and the intelligent energy management system 500 comprises a monitoring scheme which is not limited by the photovoltaic power generation unit 100, the external power grid unit 200, the power storage and supply unit 300 and the user unit 400, the optimal power generation scheme of the photovoltaic power generation unit 100 and the power storage and the power supply unit 400 can be realized, and the near-zero emission of the user unit 400 can be realized, and the optimal power generation scheme can be realized between the photovoltaic power generation unit and the power generation unit 300 and the power storage and the user unit 400;
The photovoltaic power generation unit 100 includes a solar photovoltaic panel 110, and a power transmission end of the solar photovoltaic panel 110 is connected with a direct current junction box 120 through a power transmission cable, and the direct current junction box 120 is provided as an apparatus for collecting direct current of a solar photovoltaic module into one concentrated electric device. The solar energy system comprises a direct current breaker, a fuse, a lightning arrester and other protection devices, wherein the safe and reliable operation of the solar energy system is ensured, the power transmission end of a direct current combiner box 120 is connected with a second inverter 160 through a power transmission cable, the second inverter 160 is connected with a user unit 400 through a power transmission cable, the second inverter 160 is an electrical device for converting direct current into alternating current, the direct current generated by a solar photovoltaic panel 110 can be converted into alternating current by the direct current device to supply power to the user unit 400, the power transmission end of the power storage and supply unit 300 is electrically connected with the power receiving end of the second inverter 160 through the power transmission cable, the power storage and supply unit 300 is arranged to store electric energy, the power can be directly supplied to the user unit 400 through the second inverter 160 when needed, the power transmission end of the direct current combiner box 120 is electrically connected with a photovoltaic controller 130 through the power transmission cable, the power transmission end of the photovoltaic controller 130 is electrically connected with the power receiving end of the power storage and supply unit 300 through the power transmission cable, the power transmission end of the direct current combiner box 120 is also electrically connected with the first inverter 140 through the power transmission cable, the power receiving end of the power grid unit 140 is electrically connected with the power generation unit 200 through the power grid unit 200, and the power generation unit 150 can be connected to the power generation unit 200 through the power boosting unit 150;
The power transmission end of the external power grid unit 200 is connected with the transformer 210 through a power transmission cable, one power transmission end of the transformer 210 is electrically connected with the user unit 400 through a power transmission cable, the other power transmission end of the transformer 210 is connected with the controller 220 through a power transmission cable, the controller 220 is the same as the photovoltaic controller 130, the power transmission end of the controller 220 is connected with the power receiving end of the power storage and supply unit 300 through a power transmission cable, and when the electricity price is low, the intelligent energy management system 500 can control the external power grid unit 200 to directly supply power to the user unit 400 through the transformer 210 and can also charge the power storage and supply unit 300 through the transformer 210 and the controller 220.
In the present utility model, when the light resource is abundant, the solar photovoltaic panel 110 generates electricity, and directly supplies power to the subscriber unit 400 through the direct current combiner box 120 and the second inverter 160; or the solar photovoltaic panel 110 generates electricity, and the electricity is stored in the electricity storage and supply unit 300 through the direct current combiner box 120 and the photovoltaic controller 130; or the solar photovoltaic panel 110 generates electricity, and residual electricity is connected to the internet through the direct current combiner box 120, the first inverter 140 and the boosting system 150.
When there is no electricity resource and the electricity price of the external power grid unit 200 is high, the power storage and supply unit 300 supplies power to the subscriber unit 400 via the second inverter 160.
When no light resource exists, and the electricity price of the external power grid unit 200 is low, the external power grid unit 200 can directly supply power to the user unit 400 via the transformer 210, and at the same time, the external power grid unit 200 stores power to the power storage and supply unit 300 via the transformer 210 and the controller 220.
The intelligent energy management system 500 monitors the whole energy supply system, including monitoring among the photovoltaic power generation unit 100, the external power grid unit 200, the power storage and supply unit 300 and the user unit 400, and achieves the optimal power supply and residual electricity surfing scheme among the photovoltaic power generation unit 100, the external power grid unit 200, the power storage and supply unit 300 and the user unit 400, so that the purpose of near zero carbon emission is achieved.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The utility model provides a near zero carbon emission energy supply system suitable for highway website, its characterized in that includes photovoltaic power generation unit (100), outside electric wire netting unit (200), stores up power supply unit (300), subscriber unit (400) and wisdom energy management system (500), photovoltaic power generation unit (100), outside electric wire netting unit (200) are connected with storing up power supply unit (300) through power transmission cable, photovoltaic power generation unit (100), outside electric wire netting unit (200) and store up power supply unit (300) are connected with subscriber unit (400) through power transmission cable, wisdom energy management system (500) monitor photovoltaic power generation unit (100), outside electric wire netting unit (200), store up power supply unit (300) and subscriber unit (400).
2. The near-zero carbon emission energy supply system applicable to expressway sites according to claim 1, wherein the photovoltaic power generation unit (100) comprises a solar photovoltaic panel (110), a direct current combiner box (120) is connected to a power transmission end of the solar photovoltaic panel (110) through a power transmission cable, a second inverter (160) is connected to a power transmission end of the direct current combiner box (120) through a power transmission cable, and the second inverter (160) is connected to a user unit (400) through the power transmission cable.
3. The near-zero carbon emission energy supply system for the expressway site according to claim 2, wherein the power transmission end of the power storage and supply unit (300) is electrically connected with the power connection end of the second inverter (160) through a power transmission cable, the power transmission end of the direct current combiner box (120) is further electrically connected with the photovoltaic controller (130) through the power transmission cable, and the power transmission end of the photovoltaic controller (130) is electrically connected with the power connection end of the power storage and supply unit (300) through the power transmission cable.
4. The near-zero carbon emission energy supply system suitable for the expressway site according to claim 3, wherein the power transmission end of the direct current combiner box (120) is further electrically connected with a first inverter (140) through a power transmission cable, and the power transmission end of the first inverter (140) is connected with the power receiving end of the external power grid unit (200) through a boosting system (150) to realize residual electricity surfing.
5. The near-zero carbon emission energy supply system for a highway station according to claim 1, wherein the power transmission end of the external power grid unit (200) is connected to a transformer (210) through a power transmission cable, and one power transmission end of the transformer (210) is electrically connected to the subscriber unit (400) through the power transmission cable.
6. The near-zero carbon emission energy supply system for the expressway site according to claim 5, wherein the other power transmission end of the transformer (210) is connected with the controller (220) through a power transmission cable, and the power transmission end of the controller (220) is connected with the power receiving end of the power storage and supply unit (300) through the power transmission cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420301401.XU CN221806485U (en) | 2024-02-19 | 2024-02-19 | Near-zero carbon emission energy supply system suitable for expressway station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420301401.XU CN221806485U (en) | 2024-02-19 | 2024-02-19 | Near-zero carbon emission energy supply system suitable for expressway station |
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| Publication Number | Publication Date |
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| CN221806485U true CN221806485U (en) | 2024-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202420301401.XU Active CN221806485U (en) | 2024-02-19 | 2024-02-19 | Near-zero carbon emission energy supply system suitable for expressway station |
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| CN (1) | CN221806485U (en) |
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- 2024-02-19 CN CN202420301401.XU patent/CN221806485U/en active Active
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