CN215870790U - Photovoltaic power supply control system - Google Patents
Photovoltaic power supply control system Download PDFInfo
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- CN215870790U CN215870790U CN202122294785.6U CN202122294785U CN215870790U CN 215870790 U CN215870790 U CN 215870790U CN 202122294785 U CN202122294785 U CN 202122294785U CN 215870790 U CN215870790 U CN 215870790U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
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Abstract
The utility model provides a photovoltaic power supply control system, comprising: photovoltaic power generation module, the photovoltaic power generation template includes a plurality of photovoltaic power generation units, busbar, energy storage unit and step-up and step-down chopper, and is a plurality of the output of photovoltaic power generation unit with the busbar is connected, the output of busbar respectively with the input of energy storage unit and step-up and step-down chopper connects the input, the output of step-up and step-down chopper and power module's output are connected with the input of electric arc furnace module. The energy of the photovoltaic power generation module can be consumed on the spot, the utilization rate of solar photovoltaic power generation is improved, the power supply module can be connected to ensure normal operation of the electric arc furnace module under the condition that the generated energy of the photovoltaic power generation module is insufficient, the on-spot consumption scale of the photovoltaic power generation energy is effectively improved, and the electricity consumption cost of a production enterprise can be greatly reduced.
Description
Technical Field
The utility model relates to the field of power control, in particular to a photovoltaic power supply control system.
Background
Photovoltaic power generation utilizes solar energy as the energy, is considered clean energy, nevertheless receives the restriction of installed capacity and sunshine condition at photovoltaic power generation's power, under the operating condition environment, often appears the problem that can't consume the energy that photovoltaic power generation produced, and on the other hand, electric arc furnace smelting needs a large amount of energy, needs to optimize and adjust the energy structure of electric arc furnace.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention provides a photovoltaic power supply control system, which is used to solve the problem that photovoltaic power generation in the prior art cannot be well absorbed.
To achieve the above and other related objects, the present invention provides a photovoltaic power supply control system, including:
photovoltaic power generation module, the photovoltaic power generation template includes a plurality of photovoltaic power generation units, busbar, energy storage unit and step-up and step-down chopper, and is a plurality of the output of photovoltaic power generation unit with the busbar is connected, the output of busbar respectively with the input of energy storage unit and step-up and step-down chopper connects the input, the output of step-up and step-down chopper and power module's output are connected with the input of electric arc furnace module.
Optionally, the energy storage unit includes a charger and a battery system, an input end of the charger is connected to an output end of the bus bar, and an output end of the charger is connected to an input end of the battery system.
Optionally, the energy storage unit further includes a converter and a super capacitor, an input end of the converter is connected to an output end of the bus bar, and an output end of the converter is connected to an input end of the super capacitor.
Optionally, the photovoltaic power generation module further includes a dc combiner box, an input end of the dc combiner box is connected to an output end of the photovoltaic power generation unit, and an output end of the dc combiner box is connected to an input end of the combiner bus.
Optionally, the Buck-Boost chopper includes one of a Buck-Boost converter, a Cuk converter, a Sepic converter, and a Zeta converter.
As described above, the photovoltaic power supply control system of the present invention has the following beneficial effects:
the electric arc furnace module is powered by preferentially utilizing the energy output by the photovoltaic power generation module, the power supply module serves as a supplementary energy source to meet the operation power utilization requirement of the electric arc furnace module, the energy of the photovoltaic power generation module can be consumed on site, the utilization rate of solar photovoltaic power generation is improved, the power supply module can be accessed to ensure normal operation of the electric arc furnace module under the condition that the generated energy of the photovoltaic power generation module is insufficient, the consumption scale of the photovoltaic power generation energy on site is effectively improved, and the power utilization cost of production enterprises can be greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic power supply control system according to an embodiment of the present invention.
Fig. 2 is a schematic flow chart of a photovoltaic power supply control method according to an embodiment of the present invention.
Description of reference numerals
1 photovoltaic power generation module
10 photovoltaic power generation unit
11 bus bar
12 energy storage unit
21 electric network
22 control unit
3 electric arc furnace module
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Please refer to fig. 1-2. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated. The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1, the present invention provides a photovoltaic power supply control system, including:
photovoltaic power generation module 1, the photovoltaic power generation template includes a plurality of photovoltaic power generation unit 10, busbar 11, energy storage unit 12 and step-up and step-down chopper, and is a plurality of the output of photovoltaic power generation unit 10 with busbar 11 connects, busbar 11's output respectively with energy storage unit 12's input and step-up and step-down chopper connection input connect, step-up and step-down chopper's output and power module's output are connected with electric arc furnace module 3's input. The power supply module 1 and the power supply module jointly supply power for the electric arc furnace, wherein the power supply module 1 is preferentially used for supplying power, so that the energy generated by the photovoltaic power generation module 1 can be absorbed, the energy output of the power supply module is reduced, and the power consumption cost of the electric arc furnace is improved. For example, the power supply module may include a power grid 21 and a control unit 22, the power grid 21 may be connected to a commercial power, and a user of the control unit 22 rectifies, filters, amplifies, and phase-modulates an ac electrical signal of the commercial power, so that an output signal of the power supply module is consistent with an output signal of the photovoltaic power generation module 1, and the power demand of the electric arc furnace module 3 is satisfied.
In some implementations, the energy storage unit 12 includes a charger and a battery system, an input of the charger is connected with an output of the bus bar 11, and an output of the charger is connected with an input of the battery system. For example, the battery system may absorb an excess energy of the photovoltaic power generation unit 10, prevent the photovoltaic power generation unit 10 from wasting the energy of the photovoltaic power generation, and absorb and store the energy of the photovoltaic power generation unit 10.
In some embodiments, the energy storage unit 12 further includes a converter and a super capacitor, an input end of the converter is connected with an output end of the bus bar 11, and an output end of the converter is connected with an input end of the super capacitor. For example, the converter may include bidirectional DC/DC, and the super capacitor may temporarily store electric energy in the form of magnetic energy, and may temporarily store the energy generated by the photovoltaic power generation unit 10, so as to rapidly absorb the abundant energy of the photovoltaic power generation unit 10 and rapidly meet the power demand of the arc furnace module 3.
In some embodiments, the photovoltaic power generation module 1 further includes a dc combiner box, an input end of the dc combiner box is connected to an output end of the photovoltaic power generation unit 10, and an output end of the dc combiner box is connected to an input end of the bus bar 11. The Buck-Boost chopper comprises one of a Buck-Boost converter, a Cuk converter, a Sepic converter and a Zeta converter.
Referring to fig. 1 and fig. 2, the present invention further provides a photovoltaic power supply control method, which controls the photovoltaic power supply control system, and includes: and preferentially using the photovoltaic power generation module 1 to supply power according to the power consumption requirement of the electric arc furnace module 3.
In some embodiments, it is determined whether the energy of the bus bar 11 meets the power demand of the arc furnace module 3, and if so, the voltage and current output by the buck-boost chopper are adjusted to supply power to the arc furnace module 3, and the surplus energy is input into the energy storage unit 12.
In some embodiments, it is determined whether the energy of the bus bar 11 meets the power demand of the electric arc furnace module 3, and if not, it is determined whether energy is present in the energy storage unit 12;
if the energy storage unit 12 has energy, the power supply module and the energy storage unit 12 together supply power to the electric arc furnace module 3;
if the energy storage unit 12 does not have energy, the power supply module supplies power to the arc furnace module 3, and the photovoltaic power generation units 10 supply power to the energy storage unit 12.
In some embodiments, the energy storage unit 12 includes a charger and a battery system, an input end of the charger is connected to an output end of the bus bar 11, an output end of the charger is connected to an input end of the battery system, the energy storage unit 12 further includes a converter and a super capacitor, an input end of the converter is connected to an output end of the bus bar 11, and an output end of the converter is connected to an input end of the super capacitor;
if the energy storage unit 12 has energy, the method further includes: the super capacitor releases energy to the bus bar 11 through the converter, and the charger stops charging the battery system;
if the energy storage unit 12 does not have energy, the method further includes: the bus bar 11 preferentially stores energy to the super capacitor through the converter, and the super capacitor stores energy and then charges the battery system through the charger.
In some embodiments, when the arc furnace is stopped, the buck-boost chopper and the power supply system stop supplying power, the bus bar 11 charges the super capacitor through the converter to store energy, and after the super capacitor stores energy, the bus bar 11 charges the battery system through the charger.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A photovoltaic power supply control system, comprising:
photovoltaic power generation module, the photovoltaic power generation template includes a plurality of photovoltaic power generation units, busbar, energy storage unit and step-up and step-down chopper, and is a plurality of the output of photovoltaic power generation unit with the busbar is connected, the output of busbar respectively with the input of energy storage unit and step-up and step-down chopper connects the input, the output of step-up and step-down chopper and power module's output are connected with the input of electric arc furnace module.
2. The photovoltaic power supply control system of claim 1, wherein the energy storage unit comprises a charger and a battery system, wherein an input of the charger is connected with an output of the bus bar, and an output of the charger is connected with an input of the battery system.
3. The photovoltaic power supply control system of claim 2, wherein the energy storage unit further comprises a converter and a super capacitor, wherein an input end of the converter is connected with an output end of the bus bar, and an output end of the converter is connected with an input end of the super capacitor.
4. The photovoltaic power supply control system of claim 1, wherein the photovoltaic power generation module further comprises a dc combiner box, an input of the dc combiner box is connected with an output of the photovoltaic power generation unit, and an output of the dc combiner box is connected with an input of the bus bar.
5. The photovoltaic power supply control system of claim 1, wherein the Buck-Boost chopper comprises one of a Buck-Boost converter, a Cuk converter, a Sepic converter, and a Zeta converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202122294785.6U CN215870790U (en) | 2021-09-22 | 2021-09-22 | Photovoltaic power supply control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122294785.6U CN215870790U (en) | 2021-09-22 | 2021-09-22 | Photovoltaic power supply control system |
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| CN215870790U true CN215870790U (en) | 2022-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675935A (en) * | 2021-09-22 | 2021-11-19 | 中冶赛迪工程技术股份有限公司 | Photovoltaic power supply control method |
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2021
- 2021-09-22 CN CN202122294785.6U patent/CN215870790U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675935A (en) * | 2021-09-22 | 2021-11-19 | 中冶赛迪工程技术股份有限公司 | Photovoltaic power supply control method |
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