CN110288203A - A kind of irradiation amount loss rate Dynamic calculation method of barrier shadow region photovoltaic array - Google Patents
A kind of irradiation amount loss rate Dynamic calculation method of barrier shadow region photovoltaic array Download PDFInfo
- Publication number
- CN110288203A CN110288203A CN201910468372.XA CN201910468372A CN110288203A CN 110288203 A CN110288203 A CN 110288203A CN 201910468372 A CN201910468372 A CN 201910468372A CN 110288203 A CN110288203 A CN 110288203A
- Authority
- CN
- China
- Prior art keywords
- formula
- shadow
- irradiation
- feature point
- shelter
- Prior art date
- 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.)
- Granted
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 10
- 238000004364 calculation method Methods 0.000 title claims abstract description 9
- 238000010248 power generation Methods 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims description 9
- 238000005286 illumination Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Landscapes
- Business, Economics & Management (AREA)
- Human Resources & Organizations (AREA)
- Engineering & Computer Science (AREA)
- Economics (AREA)
- Strategic Management (AREA)
- Entrepreneurship & Innovation (AREA)
- Health & Medical Sciences (AREA)
- Educational Administration (AREA)
- Marketing (AREA)
- Development Economics (AREA)
- Theoretical Computer Science (AREA)
- Tourism & Hospitality (AREA)
- Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Public Health (AREA)
- Primary Health Care (AREA)
- Water Supply & Treatment (AREA)
- General Health & Medical Sciences (AREA)
- Game Theory and Decision Science (AREA)
- Operations Research (AREA)
- Quality & Reliability (AREA)
- Photovoltaic Devices (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
A kind of irradiation amount loss rate Dynamic calculation method of barrier shadow region photovoltaic array, it is characterized in that shelter is equivalent to polyhedron, determine that each vertex of polyhedron is validity feature point and is projected on rectangular coordinate system, according to the solar elevation of target date object time, the angular relationship of solar azimuth and shelter, calculate the shadow length of shelter, in conjunction with effective characteristic point coordinate, from the shadow occlusion start and ending moment, data calculating, which is carried out, every cycle time describes shadow spots, integrating meter is carried out to irradiation intensity simultaneously and calculates irradiation loss late, shadow region is divided into different extent of damage regions, to improve power generation while guaranteeing that power generation is safe.
Description
Technical field:
The present invention relates to field of photovoltaic power generation, specially a kind of irradiation amount loss rate of barrier shadow region photovoltaic array
Dynamic calculation method.
Background technique:
With the rapid growth of global energy requirements, photovoltaic power generation technology causes countries in the world scholar and industry
A large amount of concerns, temperature ramp.Photovoltaic power generation is related to extensive field, especially photovoltaic power station, belongs to country
Encourage maximum green electric power supply exploitation energy project.Photovoltaic power station is because it goes to fabricating yard to require more low advantage, closely
Develop over year rapidly, however component fabricating yard is generally industrial building or local-style dwelling houses roof, for the shade for avoiding architectural barriers object
It influences, the installation region of component suffers from great limitation, and how scientific and reasonable determination installation region becomes design distribution
The matter of utmost importance of formula photovoltaic plant, existing most of photovoltaic design companies all with guarantee at 9 points in morning winter solstice at 15 points in afternoon without
It blocks as condition design photovoltaic module installation region, can guarantee annual most photovoltaic timing components as design considerations
It is unobstructed, however consider that power station investment repayment and income rationally expand mounting area on the basis of not damaging component, it improves
Installed capacity is conducive to promote power station income, realizes maximizing the benefits, and it to be installing zone that therefore, it is necessary to the new evaluation indexes of establishment
The optimization in domain provides reasonable design considerations.It is calculated in conjunction with the dynamic of each installation region irradiation amount loss rate, photovoltaic group can be optimized
Part array mounting arrangement reaches power station power generation safety and promotes the balance between economic benefit.
Summary of the invention:
The present invention proposes a kind of irradiation amount loss rate Dynamic calculation method of barrier shadow region photovoltaic array, passes through meter
The irradiation amount loss rate that power station photovoltaic module intends installation region is calculated, region division is carried out to quasi- installation region, component is installed on
In suitable regional scope, power generation is improved.
By this purpose, proposed adoption following technical scheme of the present invention:
Shelter is equivalent to polyhedron first, determines that each vertex of polyhedron is validity feature point and is projected on right angle
Coordinate system, according to the solar elevation α of target date object times, solar azimuth γsWith the angular relationship of shelter, calculate
The shadow length of shelter, in conjunction with effective characteristic point coordinate, from the shadow occlusion start and ending moment, every cycle time T into
The calculating of row data describes shadow spots, while carrying out integrating meter to irradiation intensity and calculating irradiation loss late, and shadow region is divided
At different extent of damage regions, to improve power generation while guaranteeing that power generation is safe, the specific steps are as follows:
Step 1: barrier it is equivalent
Using position between east and west as X-axis, north-south orientation establishes plane right-angle coordinate as Y-axis, when there are camber line constitute or
Person it is more complicated when blocking object, be equivalent to polyhedron, determine the validity feature point for determining to block shadow of object track,
Validity feature point is projected in rectangular coordinate system, the coordinate (X for blocking object validity feature point is obtainedm, Ym) and its height hm,
Wherein m indicates m-th of validity feature point;
Step 2: shadow length calculates
Declination angle δ of the target cities on the day of target date is calculated, as shown in formula (1):
In formula (1), day is number of days of the current date in 1 year;
Using the geographic latitude φ of declination angle δ and city, the solar elevation α of object time is calculatedsAnd solar azimuth
Angle γs, can by obtained by formula (2) (3),
In formula (2) (3), t indicates object time;φ indicates geographic latitude.
According to each validity feature point height h of sheltermWith shadow length LmTangent relationship, tangent angle is altitude of the sun
Angle αs, the shelter validity feature point shadow length L of t moment is obtained in conjunction with trigonometric function formula and formula (2)m, shadow length LmTable
Up to shown in formula such as formula (4):
Step 3: shade coordinate calculates
Using blocking object validity feature point coordinate (Xm, Ym), in conjunction with solar azimuth γsWith each validity feature of shelter
Point shadow length Lm, calculate shadow spots coordinate (XSm, YSm), calculation equation such as formula (5):
Step 4: irradiation amount loss rate dynamic calculates:
It completes t moment and determines that the data of the validity feature point of view field's range calculate, obtain shadow spots coordinate (XSm,
YSm) after, it is fastened into description in rectangular co-ordinate, draws the shade coverage area for blocking object of t moment;
Same day irradiation intensity is integrated, obtains a day total amount of irradiation, at interval of period of time T, irradiation intensity is carried out
Integral obtains the irradiation of t moment shade overlay area loss, shown in formula such as formula (6):
In formula (6), F (t) indicates loss irradiation;F (t) is continuous intensity of illumination function;t1、t2Indicate shadow occlusion
Moment, wherein t2-t1To calculate period of time T;f(xi) be sampling instant intensity of illumination;xiIndicate sampling instant;J is irradiation
Intensity sampling point number;
From this period at shadow occlusion start and ending moment, according to formula (1)-(5) computational shadowgraph occlusion area, according to
Formula (6) calculates the area loss irradiation, and is folded for the loss of the irradiation of different moments shadow region lap
Add, formula such as formula (7):
FS (t)=F (t) * N (7)
In formula (7), N is overlapping number;FS (t) is the loss irradiation of shaded region lap;
It enables shadow loss irradiation compared with day total amount of irradiation, irradiation amount loss rate is obtained, according to spoke in shadow region
According to amount loss rate size to region division, shadow region is divided into different extent of damage regions.
Detailed description of the invention:
Fig. 1 proposes the optimized flow chart of the photovoltaic panel installation about shade for the present invention;
Specific embodiment:
The present invention is described further with reference to the accompanying drawings and embodiments.Fig. 1 is optimization method implementation flow chart.With this
Based on flow chart, specific calculated examples are provided:
Assuming that it is all 1m, the cube of south-north direction that block object, which be length, width and height,.Using the sunny winter solstice as target date into
The optimization of row installation region, detailed process is as follows:
Barrier it is equivalent:
Using north-south orientation as Y-axis, plane right-angle coordinate is established as X-axis in thing orientation, determines and determines to block object
Validity feature point is to block 4 angles at the top of object, will block object validity feature point and is projected on reference axis, coordinate be respectively (-
1, -1), (- 1,1), (1,1), (1, -1), are highly 1m.
Shadow length calculates:
Declination angle δ of the target cities on the day of target date is calculated, as shown in formula (1):
In formula (1), day is the number of days serial number in current date 1 year, and target date number of days is brought into formula (1), is calculated red
δ=- 23 ° 27 ' of latitude angle calculates the solar elevation α of object time using the geographic latitude φ of declination angle δ and citysToo
Positive azimuth γs, can by obtained by formula (2) (3),
In formula (2), t indicate object time, i.e., 9 when 15 interior any moment, if object time be 9: 15, need it
Minute, position was converted into percentage, and t=9.25 after conversion is brought into formula (2), calculated solar elevation αsIt=23.45 °, utilizes formula (3)
Calculate solar azimuth γs=-41.25 °.
Due to blocking object height and blocking object shadow length there are tangent relationship, tangent angle is solar elevation αs,
In conjunction with the solar elevation α obtained in trigonometric function formula and formula (2)s, each effective spy of 9: 15 moment shelters can be calculated
Sign point shelter shadow length Lm, shadow length LmShown in expression formula such as formula (4):
M indicates m-th of validity feature point in formula (4).
The calculating of shade coordinate:
Learn that 4 characteristic points, feature point height are 1m by step (1), formula (4) calculates shelter shadow length Lm
It is 2.31m, in conjunction with trigonometric function formula, calculates the shadow spots coordinate of 9: 15 moment validity feature points, calculation equation is such as
Formula (5):
By formula (5), validity feature point (- 1, -1), (1,1), (- 1,1), (1, -1) corresponding shade coordinate be respectively (-
2.52,0.74), (- 0.52,2.74), (- 2.52,2.74), (- 0.52,0.74).
Amount loss rate dynamic is irradiated to calculate:
The data for the validity feature point for determining view field's range are calculated, shadow spots coordinate (XS is obtainedm, YSm), by its
Description is fastened in rectangular co-ordinate, draws the shade coverage area for blocking object at moment;
Summation integral is carried out to irradiation intensity on the day of certain power station, show that total amount of irradiation is 858KJ/m in one day2, at interval of
Period of time T integrates irradiation intensity to obtain the irradiation of t moment shade overlay area loss, formula such as formula (6) institute
Show:
In formula (6), F (t) indicates loss irradiation;F (t) is continuous intensity of illumination function;t1、t2Indicate shadow occlusion
Moment, wherein t2-t1To calculate period of time T;f(xi) be sampling instant intensity of illumination;xiIndicate sampling instant;J is irradiation
Intensity sampling point number.
From this period at shadow occlusion start and ending moment, according to formula (1)-(5) computational shadowgraph occlusion area, according to
Formula (6) calculates the area loss irradiation, and is folded for the loss of the irradiation of different moments shadow region lap
Add, formula such as formula (7):
FS (t)=F (t) * N (7)
In formula (7), N is overlapping number;FS (t) is the loss irradiation of shaded region lap;
It enables shadow loss irradiation compared with day total amount of irradiation, irradiation amount loss rate is obtained, according to spoke in shadow region
According to amount loss rate size to region division, shadow region can be divided into different extent of damage regions, photovoltaic is installed for power station
Component provides design considerations.
Claims (1)
1. a kind of irradiation amount loss rate Dynamic calculation method of barrier shadow region photovoltaic array, it is characterised in that by shelter
It is equivalent to polyhedron, determines that each vertex of polyhedron is validity feature point and is projected on rectangular coordinate system, according to target date
The solar elevation α of object times, solar azimuth γsWith the angular relationship of shelter, the shadow length of shelter is calculated, is tied
Validity feature point coordinate is closed, from the shadow occlusion start and ending moment, data calculating is carried out every cycle time T and describes shade
Point, while integrating meter is carried out to irradiation intensity and calculates irradiation loss late, shadow region is divided into different extent of damage areas
Domain, to improve power generation while guaranteeing that power generation is safe, the specific steps are as follows:
Step 1: barrier it is equivalent
Using position between east and west as X-axis, north-south orientation establishes plane right-angle coordinate as Y-axis, when there are camber line composition or ratios
It is more complex to be equivalent to polyhedron when blocking object, it determines the validity feature point for determining to block shadow of object track, will have
Projecting characteristic points are imitated in rectangular coordinate system, obtain the coordinate (X for blocking object validity feature pointm, Ym) and its height hm, wherein m
Indicate m-th of validity feature point;
Step 2: shadow length calculates
Declination angle δ of the target cities on the day of target date is calculated, as shown in formula (1):
In formula (1), day is number of days serial number of the current date in 1 year;
Using the geographic latitude φ of declination angle δ and city, the solar elevation α of object time is calculatedsWith solar azimuth γs,
Can by obtained by formula (2) (3),
In formula (2) (3), t indicates object time;φ indicates geographic latitude;
According to each validity feature point height h of sheltermWith shadow length LmTangent relationship, tangent angle be solar elevation αs,
The shelter validity feature point shadow length L of t moment is obtained in conjunction with trigonometric function formula and formula (2)m, shadow length LmExpression formula
As shown in formula (4):
Step 3: shade coordinate calculates
Using blocking object validity feature point coordinate (Xm, Ym), in conjunction with solar azimuth γsWith each validity feature point of shelter
Shadow length Lm, calculate shadow spots coordinate (XSm, YSm);Calculation equation such as formula (5):
Step 4: irradiation amount loss rate dynamic calculates:
It completes t moment and determines that the data of the validity feature point of view field's range calculate, obtain shadow spots coordinate (XSm, YSm) after,
It is fastened into description in rectangular co-ordinate, draws the shade coverage area for blocking object of t moment;
Same day irradiation intensity is integrated, obtains a day total amount of irradiation, at interval of period of time T, irradiation intensity is integrated
The irradiation of t moment shade overlay area loss is obtained, shown in formula such as formula (6):
In formula (6), F (t) indicates loss irradiation;F (t) is continuous intensity of illumination function;t1、t2Indicate the shadow occlusion moment,
Wherein t2-t1To calculate period of time T;f(xi) be sampling instant intensity of illumination;xiIndicate sampling instant;J adopts for irradiation intensity
Sampling point number;
From this period at shadow occlusion start and ending moment, according to formula (1)-(5) computational shadowgraph occlusion area, according to formula
(6) the area loss irradiation is calculated, and is overlapped for the loss of the irradiation of different moments shadow region lap, it is public
Formula such as formula (7):
FS (t)=F (t) * N (7)
In formula (7), N is overlapping number;FS (t) is the loss irradiation of shaded region lap;
It enables shadow loss irradiation compared with day total amount of irradiation, irradiation amount loss rate is obtained, according to irradiation in shadow region
Shadow region is divided into different extent of damage regions to region division by loss late size.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910468372.XA CN110288203B (en) | 2019-05-31 | 2019-05-31 | Dynamic calculation method for exposure loss rate of photovoltaic array in barrier shadow area |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910468372.XA CN110288203B (en) | 2019-05-31 | 2019-05-31 | Dynamic calculation method for exposure loss rate of photovoltaic array in barrier shadow area |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110288203A true CN110288203A (en) | 2019-09-27 |
CN110288203B CN110288203B (en) | 2023-04-07 |
Family
ID=68003067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910468372.XA Active CN110288203B (en) | 2019-05-31 | 2019-05-31 | Dynamic calculation method for exposure loss rate of photovoltaic array in barrier shadow area |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110288203B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110334466A (en) * | 2019-07-16 | 2019-10-15 | 河海大学常州校区 | A kind of calculation method of non-uniform irradiation distribution lower component failure probability |
CN110705727A (en) * | 2019-09-30 | 2020-01-17 | 山东建筑大学 | Photovoltaic power station shadow shielding diagnosis method and system based on random forest algorithm |
CN112272007A (en) * | 2020-10-30 | 2021-01-26 | 合肥阳光新能源科技有限公司 | Method and device for determining influence of shelter on photovoltaic module |
CN112883323A (en) * | 2021-01-11 | 2021-06-01 | 珠海格力电器股份有限公司 | Photovoltaic power generation system and area determination method, device, medium and processor thereof |
CN113139995A (en) * | 2021-04-19 | 2021-07-20 | 杭州伯资企业管理合伙企业(有限合伙) | Low-cost method for detecting and evaluating light occlusion between objects |
CN114397322A (en) * | 2021-11-26 | 2022-04-26 | 广东电网有限责任公司阳江供电局 | Heat dissipation index measuring method, system and device based on shadow compensation |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012111215A1 (en) * | 2011-02-18 | 2012-08-23 | Jx日鉱日石エネルギー株式会社 | Solar radiation evaluation device, solar radiation evaluation method, and solar radiation evaluation program |
CN103838251A (en) * | 2012-11-22 | 2014-06-04 | 上海工电能源科技有限公司 | Method for scheduling heliostat of tower type solar energy thermal power station |
US20180188301A1 (en) * | 2012-12-28 | 2018-07-05 | Locus Energy, Inc. | Estimation of shading losses for photovoltaic systems from measured and modeled inputs |
CN108874739A (en) * | 2018-06-11 | 2018-11-23 | 河海大学常州校区 | Photovoltaic array spacing blocks lower photovoltaic module irradiation nonuniformity calculation method |
-
2019
- 2019-05-31 CN CN201910468372.XA patent/CN110288203B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012111215A1 (en) * | 2011-02-18 | 2012-08-23 | Jx日鉱日石エネルギー株式会社 | Solar radiation evaluation device, solar radiation evaluation method, and solar radiation evaluation program |
CN103838251A (en) * | 2012-11-22 | 2014-06-04 | 上海工电能源科技有限公司 | Method for scheduling heliostat of tower type solar energy thermal power station |
US20180188301A1 (en) * | 2012-12-28 | 2018-07-05 | Locus Energy, Inc. | Estimation of shading losses for photovoltaic systems from measured and modeled inputs |
CN108874739A (en) * | 2018-06-11 | 2018-11-23 | 河海大学常州校区 | Photovoltaic array spacing blocks lower photovoltaic module irradiation nonuniformity calculation method |
Non-Patent Citations (1)
Title |
---|
戚军等: "阴影条件下BIPV发电***功率损失分析" * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110334466A (en) * | 2019-07-16 | 2019-10-15 | 河海大学常州校区 | A kind of calculation method of non-uniform irradiation distribution lower component failure probability |
CN110334466B (en) * | 2019-07-16 | 2022-08-16 | 河海大学常州校区 | Method for calculating failure probability of components under non-uniform irradiation distribution |
CN110705727A (en) * | 2019-09-30 | 2020-01-17 | 山东建筑大学 | Photovoltaic power station shadow shielding diagnosis method and system based on random forest algorithm |
CN112272007A (en) * | 2020-10-30 | 2021-01-26 | 合肥阳光新能源科技有限公司 | Method and device for determining influence of shelter on photovoltaic module |
CN112883323A (en) * | 2021-01-11 | 2021-06-01 | 珠海格力电器股份有限公司 | Photovoltaic power generation system and area determination method, device, medium and processor thereof |
CN112883323B (en) * | 2021-01-11 | 2023-06-30 | 珠海格力电器股份有限公司 | Photovoltaic power generation system, area determination method and device thereof, medium and processor |
CN113139995A (en) * | 2021-04-19 | 2021-07-20 | 杭州伯资企业管理合伙企业(有限合伙) | Low-cost method for detecting and evaluating light occlusion between objects |
CN113139995B (en) * | 2021-04-19 | 2022-06-21 | 杭州伯资企业管理合伙企业(有限合伙) | Low-cost method for detecting and evaluating light occlusion between objects |
CN114397322A (en) * | 2021-11-26 | 2022-04-26 | 广东电网有限责任公司阳江供电局 | Heat dissipation index measuring method, system and device based on shadow compensation |
CN114397322B (en) * | 2021-11-26 | 2024-02-06 | 广东电网有限责任公司阳江供电局 | Heat dissipation index measurement method, system and device based on shadow compensation |
Also Published As
Publication number | Publication date |
---|---|
CN110288203B (en) | 2023-04-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110288203A (en) | A kind of irradiation amount loss rate Dynamic calculation method of barrier shadow region photovoltaic array | |
Zhu et al. | Design and performance analysis of a solar tracking system with a novel single-axis tracking structure to maximize energy collection | |
Sun et al. | An optimized tracking strategy for small-scale double-axis parabolic trough collector | |
Bany et al. | The effect of shading on the design of a field of solar collectors | |
CN103559738B (en) | Mountain land photovoltaic power station arrangement method | |
Mustafa et al. | Analytical study of an innovated solar power tower (PS10) in Aswan | |
Soulayman et al. | Optimum tilt angle of solar collectors for building applications in mid-latitude zone | |
CN109344491A (en) | A kind of solar irradiance modeling method considering weather state change and cloud cover | |
CN106372346A (en) | Determining method and device of optimal installing inclination angle of photovoltaic module | |
CN105549627A (en) | Automatic sun tracking control method of double-axis photovoltaic power generation | |
CN107367940A (en) | A kind of combining geographic location, weather and the blinds of building orientation window control method | |
CN104216419A (en) | No-shield tracking method of biaxial solar photovoltaic power generation system | |
Vallati et al. | Photovoltaics noise barrier: acoustic and energetic study | |
Chen et al. | Are the optimum angles of photovoltaic systems so important? | |
CN103151962A (en) | Solar power system with light-tracking sensor | |
Holbert et al. | Solar energy calculations | |
Ye et al. | Planning the installation of building-integrated photovoltaic shading devices: A GIS-based spatiotemporal analysis and optimization approach | |
Yao et al. | Research status and application of rooftop photovoltaic Generation Systems | |
Sullivan et al. | Visual impacts of utility-scale solar energy facilities on southwestern desert landscapes | |
Ng et al. | A tropical case study quantifying solar irradiance collected on a car roof for vehicle integrated photovoltaics towards low-carbon cities | |
Rajaee et al. | Construction and Analysis of Smart Solar Bench with the Optimal Angle in Four Central Cities of Iran | |
Mitković et al. | Analysis of electric power production results in South Serbia: Recommendations for improvement of operation of first mini photovoltaic power plants | |
Tanaka et al. | Analytical study on solar energy absorbed on elliptic curved collector | |
CN103197690A (en) | Light-tracking sensor for solar power generation | |
Yadav et al. | Effect of water flow on energy matrices and life-cycle cost analysis of urban BiSPVT system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |