CN111541240A - Household power station design method - Google Patents
Household power station design method Download PDFInfo
- Publication number
- CN111541240A CN111541240A CN202010323065.5A CN202010323065A CN111541240A CN 111541240 A CN111541240 A CN 111541240A CN 202010323065 A CN202010323065 A CN 202010323065A CN 111541240 A CN111541240 A CN 111541240A
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- Prior art keywords
- maximum
- component
- inverter
- parameters
- voltage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H02J3/004—Generation forecast, e.g. methods or systems for forecasting future energy generation
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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
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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
- 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
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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
- 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
- H02J2300/26—The renewable source being solar energy of photovoltaic origin involving maximum power point tracking control for photovoltaic sources
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/10—The network having a local or delimited stationary reach
- H02J2310/18—The network being internal to a power source or plant
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a design method of a household power station. The main array is arranged, after a user selects the brand model of the inverter and the brand model of the component by himself, relevant equipment parameters can be seen, the design result is judged through the parameter matching characteristics of the inverter and the component, and data such as annual energy production, annual peak sunshine hours and annual income can be checked on an energy production prediction page after the inverter and the component are designed. The photovoltaic power station can be designed quickly according to respective condition requirements, the use requirements are met, the safe and reasonable use is guaranteed, the existing land is not occupied by the household photovoltaic power station, the idle resources of the building are fully utilized, and clean power is developed.
Description
Technical Field
The invention relates to the technical field of household power stations, in particular to a household power station design method.
Background
With the continuous shortage of energy supply and the increasing attention of people on environmental problems worldwide, the rational development and utilization of renewable energy sources have become an important issue. The development and utilization of renewable energy is an important measure for increasing the continuous energy supply capacity, improving the energy structure, guaranteeing the energy safety and gradually recovering the natural environment, and has very important significance for building a resource-saving and environment-friendly society and realizing the comprehensive and coordinated sustainable development of the economic society. The portable energy storage power station is internally provided with a storage battery, an inverter and an electric control system, the storage battery can be charged by commercial power, solar energy or a generator, the inverter can convert direct current of the storage battery into alternating current for various electric appliances, and certainly, direct current output interfaces with various voltages can also be configured. Portable energy storage power stations have a wide range of applications, for example: the emergency power supply for families or units, field operation, emergency power utilization, disaster relief, outdoor life and travel, the self-contained power supply for yachts and vehicles, a mobile communication base station and the like. In the prior art, the most compact relation with the user energy storage is the application of the household photovoltaic power station, the household photovoltaic power station erects the photovoltaic array by utilizing the space on the roof of a house, solar energy is converted into electric energy, the electric energy is stored, one part of the stored electric energy can be consumed as household electricity, but the investment cost is high, the noise is large, the daily life of people is influenced, and the arrangement is inconvenient. An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention provides a household power station design method aiming at the problems in the related art, so as to overcome the technical problems in the prior related art.
The technical scheme of the invention is realized as follows:
a household power station design method comprises the following steps:
setting a main array, enabling a user to see related equipment parameters after selecting the brand model of the inverter and the brand model of the component by himself, judging a design result through the parameter matching characteristics of the inverter and the component, and checking data such as annual energy production, annual peak sunshine hours, annual income and the like under the design through a power production prediction page after the inverter and the component are designed;
the minimum temperature and the maximum temperature of the components in the running process of the area are calculated in the background of the website, a user at the temperature can adjust the temperature according to needs, the maximum component number which can be matched on each string is calculated, the user can modify the maximum component number according to actual needs, and the comparison data results of all MPPT string design parameters and inverter parameters can be seen by clicking a checking system for verification.
Further, the inverter may consider parameters including: maximum dc output, rated output, maximum efficiency, minimum voltage, maximum voltage, minimum current, maximum current.
Further, the parameters to be considered by the component parameters include: power, technology used, string voltage, open circuit voltage, system maximum allowable voltage, peak voltage coefficient, and surge coefficient.
Further, the MPPT group string should consider parameters including: the number of components, installed capacity, component area, over-size coefficient, maximum open-circuit voltage, and maximum direct current.
The invention has the beneficial effects that: according to the design method of the household power station, the household power station can be designed quickly according to respective condition requirements, the use requirement is met, the guarantee of safe and reasonable use is guaranteed, the household photovoltaic power station does not occupy the existing land, the idle resources of buildings are fully utilized, and clean power is developed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of an inverter and component sizing according to an embodiment of the invention;
fig. 2 is a schematic diagram of MPPT group string selection according to an embodiment of 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 that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
According to an embodiment of the present invention, a home power station design method is provided.
As shown in fig. 1-2, a method of designing a home power plant according to an embodiment of the present invention.
The design of family power plant is specially directed against family formula photovoltaic power plant or small-size photovoltaic power plant, only one main array (a small-size inverter project), after the user selects inverter brand model and subassembly brand model by oneself, can see relevant equipment parameter, in design MPPT, parameter matching characteristic through inverter and subassembly, can make the judgement to the design result, the designer can look over this design after having designed inverter and subassembly under the generated energy prediction page, data such as annual generated energy, annual peak value sunshine time and annual income.
The parameters of the inverter to be considered include: maximum dc output, rated output, maximum efficiency, minimum voltage, maximum voltage, minimum current, maximum current.
Parameters to be considered for the component parameters include: power, technology used, string voltage, open circuit voltage, system maximum allowable voltage, peak voltage coefficient, and surge coefficient.
After provinces, cities and counties are selected, the website background calculates the lowest temperature and the highest temperature of the components in the operation of the region, the temperature can be adjusted by a user according to needs, the maximum component number matched with each group of strings can be calculated at the same time, the user can modify the maximum component number according to actual needs, and the comparison data results of all MPPT group string design parameters and inverter parameters can be seen by clicking a checking system for verification.
Parameters to be considered for MPPT strings include: the number of components, installed capacity, component area, over-size coefficient, maximum open-circuit voltage, and maximum direct current.
Compared with a large ground power station, the household photovoltaic power station has the advantages that the country supports more ground photovoltaic power stations occupying a large amount of land resources, the household photovoltaic power station does not occupy the existing land, idle resources of buildings are fully utilized, and clean power is developed, so that the country is greatly supported.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A design method of a household power station is characterized in that a main array is arranged, a user can see related equipment parameters after selecting an inverter brand model and a component brand model by himself, a design result is judged according to the parameter matching characteristics of the inverter and the component, and data such as annual energy production, annual peak sunshine hours, annual income and the like under the design can be checked on an energy production prediction page after the inverter and the component are designed;
the minimum temperature and the maximum temperature of the components in the running process of the area are calculated in the background of the website, a user at the temperature can adjust the temperature according to needs, the maximum component number which can be matched on each string is calculated, the user can modify the maximum component number according to actual needs, and the comparison data results of all MPPT string design parameters and inverter parameters can be seen by clicking a checking system for verification.
2. A method for designing a household power plant according to claim 1, characterized in that the parameters to be considered for the inverter include: maximum dc output, rated output, maximum efficiency, minimum voltage, maximum voltage, minimum current, maximum current.
3. A method for designing a household power plant according to claim 1, characterized in that the parameters to be considered for the component parameters comprise: power, technology used, string voltage, open circuit voltage, system maximum allowable voltage, peak voltage coefficient, and surge coefficient.
4. The method as claimed in claim 1, wherein the MPPT group includes parameters to be considered as: the number of components, installed capacity, component area, over-size coefficient, maximum open-circuit voltage, and maximum direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010323065.5A CN111541240A (en) | 2020-04-22 | 2020-04-22 | Household power station design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010323065.5A CN111541240A (en) | 2020-04-22 | 2020-04-22 | Household power station design method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111541240A true CN111541240A (en) | 2020-08-14 |
Family
ID=71975224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010323065.5A Pending CN111541240A (en) | 2020-04-22 | 2020-04-22 | Household power station design method |
Country Status (1)
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|---|---|
| CN (1) | CN111541240A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104182564A (en) * | 2014-06-26 | 2014-12-03 | 内蒙古电力勘测设计院有限责任公司 | Expert system designed for photovoltaic power station |
| CN104408537A (en) * | 2014-12-12 | 2015-03-11 | 上海宝钢节能环保技术有限公司 | Optimization design system for photovoltaic power station |
| CN105022891A (en) * | 2015-08-07 | 2015-11-04 | 华东建筑设计研究院有限公司 | Building integrated photovoltaic design method under three-dimensional model environment |
| CN107464038A (en) * | 2017-07-06 | 2017-12-12 | 甘肃省科学院自然能源研究所 | The design method and system of a kind of solar photo-voltaic power generation station |
| CN108510405A (en) * | 2018-04-03 | 2018-09-07 | 中兴能源（天津）有限公司 | A kind of one-stop management platform of photovoltaic power station |
-
2020
- 2020-04-22 CN CN202010323065.5A patent/CN111541240A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104182564A (en) * | 2014-06-26 | 2014-12-03 | 内蒙古电力勘测设计院有限责任公司 | Expert system designed for photovoltaic power station |
| CN104408537A (en) * | 2014-12-12 | 2015-03-11 | 上海宝钢节能环保技术有限公司 | Optimization design system for photovoltaic power station |
| CN105022891A (en) * | 2015-08-07 | 2015-11-04 | 华东建筑设计研究院有限公司 | Building integrated photovoltaic design method under three-dimensional model environment |
| CN107464038A (en) * | 2017-07-06 | 2017-12-12 | 甘肃省科学院自然能源研究所 | The design method and system of a kind of solar photo-voltaic power generation station |
| CN108510405A (en) * | 2018-04-03 | 2018-09-07 | 中兴能源（天津）有限公司 | A kind of one-stop management platform of photovoltaic power station |
Non-Patent Citations (1)
| Title |
|---|
| 徐立波: "小型家用分布式光伏电站的设计过程简析", 《轻工科技》 * |
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Application publication date: 20200814 |
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