WO2024252419A1 - Système et procédé de détermination de trajectoire de suivi optimale de panneaux photovoltaïques bifaciaux - Google Patents

Système et procédé de détermination de trajectoire de suivi optimale de panneaux photovoltaïques bifaciaux Download PDF

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Publication number
WO2024252419A1
WO2024252419A1 PCT/IN2024/050695 IN2024050695W WO2024252419A1 WO 2024252419 A1 WO2024252419 A1 WO 2024252419A1 IN 2024050695 W IN2024050695 W IN 2024050695W WO 2024252419 A1 WO2024252419 A1 WO 2024252419A1
Authority
WO
WIPO (PCT)
Prior art keywords
bifacial
photo voltaic
panel
tracker
voltaic panel
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.)
Pending
Application number
PCT/IN2024/050695
Other languages
English (en)
Inventor
Arulkumar Pudur Shanmugasundaram
Rajthilak Sivasankaran
Rajeshwari K
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ayana Renewable Power Private Ltd
Original Assignee
Ayana Renewable Power Private Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ayana Renewable Power Private Ltd filed Critical Ayana Renewable Power Private Ltd
Publication of WO2024252419A1 publication Critical patent/WO2024252419A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/10—Control of position or direction without using feedback
    • G05D3/105—Solar tracker
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/10—Supporting structures directly fixed to the ground
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
    • F24S30/452—Vertical primary axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/20—Arrangements for controlling solar heat collectors for tracking

Definitions

  • the present invention relates to bifacial solar panels. More specifically, it relates to a system and method for determining optimal tracking trajectory of bifacial photo voltaic panels.
  • Solar energy refers to the radiant energy emitted by the Sun, which has the potential to generate heat, initiate chemical reactions, and produce electricity. By utilizing solar panels, this energy can be captured and converted into usable electrical power.
  • a solar panel also known as a solar cell panel, solar electric panel, or photo-voltaic (PV) module, is an arrangement of photo-voltaic cells mounted within a framework for installation. These panels harness sunlight as an energy source to generate direct current electricity.
  • PV panel also known as a solar cell panel, solar electric panel, or photo-voltaic (PV) module
  • PV photo-voltaic
  • Photovoltaic systems consist of arrays that supply solar-generated electricity to electrical devices.
  • Bifacial solar panels which are made with high-efficiency solar cells on both sides of the panel and generate electricity simultaneously, are the most recent technology. They can absorb light from both the front and rear sides, allowing for diffused light to be used.
  • Solar panels for bifacial use are high-watt modules as well as high-efficiency panels for cell development and solar panels.
  • the solar bifacial module is made of thin layers of silicon solar cells that are located on the front and back sides of the module. The solar cells on the front generate electricity from sunlight, while the solar cells on the back collect sunlight that has been reflected off the ground and other objects. This allows the solar cells to collect more photons, which leads to higher power output.
  • the existing solar tracking systems are devices that keep solar panels pointing at the sun while it moves across the sky.
  • a solar tracking system adjusts the face of the solar panel or reflective surfaces to align with the sun. To maximize the efficiency of solar panels, they must be pointed at the Sun.
  • a dual-axis solar tracker is another type. This tracker can track the sun with greater precision than a single-axis one as it has two axes.
  • the energy efficiency was calculated using only the front side of the bifacial solar panels and not the rear side of the bifacial solar panels.
  • a few existing systems consider irradiance captured by the rear side of the bifacial solar panels.
  • they fail to consider other factors such as bifacial module properties, diffusion, diffusion reflection, ground irradiance, shadow of the tracker parts, and sun’s beam reflection among others.
  • the principal object of this invention is to provide a system and method for determining optimal tracking trajectory of bifacial photo voltaic panels.
  • a further object of the invention is to provide a tracker operatively coupled to the bifacial solar panels to rotate by tracking the direction of the sun.
  • a further object of the invention is to provide a computational method/ an algorithm via a processing unit considering both the top and bottom faces of the bifacial solar panel and their corresponding parameters.
  • FIG. 1 depicts a schematic diagram of a system for determining optimal tracking trajectory of bifacial photo voltaic panels, in accordance with an embodiment of the present disclosure.
  • FIG. 1 illustrates a method for determining optimal tracking trajectory of bifacial photo voltaic panels, in accordance with an embodiment of the present disclosure.
  • the present invention discloses a system and method for determining optimal tracking trajectory of bifacial photo voltaic panels.
  • the system comprises at least one bifacial photo voltaic panel that comprises a front side and a rear side solar panel.
  • the system comprises at least one rotator that is operatively connected to the at least one bifacial photo voltaic panel configured to rotate the at least one bifacial photo voltaic panel along with a direction of sun.
  • the system comprises at least one tracker operatively coupled to the at least one bifacial photo voltaic panel to track a movement of the sun, wherein the at least one tracker having a processing unit that is configured to analyze one or more data inputs and determine optimal trajectory for the at least one bifacial photo voltaic panel to harness maximum sunlight and increase energy generation.
  • the present invention discloses a system and method for determining optimal tracking trajectory of bifacial photo voltaic panels.
  • the invention aims to overcome the limitations of existing platforms by offering a rotation mechanism to the solar panels, thereby harnessing maximum sunlight.
  • FIG. 1 depicts a schematic diagram of a system for determining optimal tracking trajectory of bifacial photo voltaic panels, in accordance with an embodiment of the present disclosure.
  • the bifacial solar panels may be defined as “any photovoltaic solar cell/ module that can produce electrical energy when illuminated on both its surfaces, front or rear”.
  • the bifacial photo voltaic panels are also referred to as the bifacial solar panels or at least one bifacial solar panel.
  • the system 100 comprises at least one solar panel 102, at least one rotator 104, at least one tracker 106 and a processing unit 108. In an alternate embodiment, the system 100 may comprise one or more solar panels 102.
  • a front side 102a and a rear side 102b of the at least one bifacial solar panel 102 discloses a front side 102a and a rear side 102b of the at least one bifacial solar panel 102.
  • the solar panel is configured to be a bifacial solar panel 102.
  • the at least one bifacial solar panel 102 are supported on a tracker structure/ tracker 106, wherein the tracker structure is of a predetermined height from the ground.
  • the at least one bifacial solar panel 102 may comprise a bifacial solar panel 1, a bifacial solar panel 2, ..., a bifacial solar panel n.
  • the at least one rotator 104 is operatively connected to the tracker structure 106.
  • the at least one bifacial solar panel 102 are placed adjacently on the tracker structure 106.
  • the at least one rotator 104 is placed in between the at least one bifacial solar panel 102.
  • the at least one tracker 106 is operatively coupled to the at least one bifacial solar panel 102.
  • the at least one tracker 106 is configured to track the direction of the sun and enable the movement of the at least one bifacial solar panel 102 via the at least one rotator 104. In an embodiment, the at least one tracker 106 is implemented to track the movement of the sun to enable movement of the at least one bifacial solar panel 102 to capture more solar irradiance for better energy generation.
  • the position of the at least one tracker 106 at any given time of the year depends on the sun’s position all around the year and the one or more real time cloud data inputs of the location.
  • the at least one tracker 106 tracks the movement of the sun, thereby enabling movement of the at least one bifacial solar panel 102.
  • the front side 102a of the bifacial solar panel 102 is exposed to direct sunlight, whereas the rear side 102b of the bifacial solar panel 102 is exposed to indirect sunlight.
  • Indirect sunlight may be considered as including but not limited to, the sunlight reflecting off the ground, or diffused sunlight emitting from clouds.
  • the front side 102a of the at least one bifacial solar panel 102 capture more sunlight compared to static solar panels or bifacial solar panels thereby further enabling the rear side 102b of the bifacial solar panel 102 to capture more indirect sunlight, thereby capturing maximum sunlight using the rotating bifacial solar panels 102.
  • the at least one tracker 106 may be operatively coupled to the at least one bifacial solar panel 102, wherein the at least one tracker 106 is configured to the at least one rotator 104 such that each photovoltaic module may be rotated according to requirements.
  • the at least one tracker 106 and the at least one bifacial solar panel 102 are not sufficient to identify the optimum position of tracker angle.
  • function of factors as indicated below shall be adopted.
  • an algorithm embedded in the processing unit 108 is implemented to find the maximum generation of sunlight at a particular location by combining the generation of both front side 102a and rear side 102b generation.
  • F2 f(Sun' s position, angle of tracker, ground albedo, tracker height )
  • the processing unit 108 is configured to find the optimal tracking trajectory angle at a particular location by combining the generation of both front side (F1) 102a and rear side (F2) 102b generation of the at least one bifacial photo voltaic panel 102, wherein the F1 and F2 comprises:
  • any of the inputs may be incorporated in the formulae to provide additional value in optimization of the rear side generation and can be considered in some algorithms.
  • the inputs comprise module properties, diffusion, diffusion reflection, ground irradiance, shadow of the at least one tracker 106 parts, sun’s beam reflection.
  • Each of these factors play a significant role in calculating solar efficiency of the rear side of the bifacial solar panel, thereby increasing overall efficiency.
  • the at least one bifacial solar panel 102 moving along the sun’s direction, it is important to consider the above-mentioned factors as the sun’s angle changes, and changing weather conditions throughout a day, as the above-mentioned factors keep changing when trying to calculate the overall solar efficiency of the bifacial solar panel.
  • the processing unit 108 is communicatively connected to the bifacial solar panel 102 to enable the intelligent tracking and optimization of the bifacial solar panels, contributing to the system's ability to harness maximum sunlight and increase energy generation.
  • the processing unit is positioned within the at least one tracker 106.
  • the processing unit 108 analyzes various data inputs, such as solar irradiance, panel orientation, tilt angle, weather conditions, and historical data, to determine the optimal trajectory for the bifacial solar panels. It may process this information to calculate the most efficient position for the panels to maximize sunlight exposure and energy generation.
  • the processing unit 108 may control the movement of the at least one rotator mechanism responsible for adjusting the position of the solar panels. It can receive one or more real-time data inputs from sensors or other sources and use algorithms or mathematical models to calculate and adjust the tracking trajectory of the panels accordingly. Furthermore, based on the analyzed data and algorithms, the processing unit 108 can make informed decisions regarding the rotation angles, speed, and timing of the panels to optimize energy generation. It may consider factors such as the position of the sun, shading effects, and the electrical output of the panels to make these decisions.
  • the processing unit 108 may also facilitate communication between various components of the system. It could exchange information with the solar panels, tracker 106 units, and other monitoring devices to coordinate the tracking trajectory and ensure efficient operation of the bifacial PV panel system.
  • FIG. 1 illustrates a method for determining optimal tracking trajectory of bifacial photo voltaic panels, in accordance with an embodiment of the present disclosure.
  • the method 200 begins with providing at least one bifacial photo voltaic panel 102 that comprises a front side and a rear side solar panel, as depicted at step 202. Subsequently, the method 200 discloses rotating the at least one bifacial photo voltaic panel 102 along with a direction of sun by a at least one rotator 104 operatively connected to the at least one bifacial photo voltaic panel 102, as depicted at step 204.
  • the method 200 discloses tracking a movement of the sun by at least one tracker 106 operatively coupled to the at least one bifacial photo voltaic panel 102, the at least one tracker 106 having a processing unit for analyzing one or more data inputs and determining optimal trajectory for the at least one bifacial photo voltaic panel 102 to harness maximum sunlight and increase energy generation, as depicted at step 206.
  • the advantage of the current invention comprises harnessing maximum solar energy using the tracker to rotate the bifacial solar panels.
  • the system provides a user-friendly and cost-effective solution to capture maximum sunlight.

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  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Photovoltaic Devices (AREA)

Abstract

La présente invention concerne un système et un procédé de détermination d'une trajectoire de suivi optimale de panneaux photovoltaïques bifaciaux. Le système (100) comprend au moins un panneau photovoltaïque bifacial (102), au moins un rotateur (104), au moins un dispositif de suivi (106) et une unité de traitement (108). Le dispositif de suivi est couplé de manière fonctionnelle aux panneaux solaires bifaciaux pour tourner en suivant la direction du soleil. Le ou les rotateurs sont couplés fonctionnellement aux panneaux solaires bifaciaux pour tourner conjointement avec la direction du soleil. Le ou les dispositifs de suivi sont couplés fonctionnellement au ou aux panneaux photovoltaïques bifaciaux pour suivre un mouvement du soleil, le ou les dispositifs de suivi ayant une unité de traitement qui est conçue pour analyser une ou plusieurs entrées de données et déterminer une trajectoire optimale pour le ou les panneaux photovoltaïques bifaciaux pour exploiter la lumière solaire maximale et augmenter la génération d'énergie.
PCT/IN2024/050695 2023-06-09 2024-06-07 Système et procédé de détermination de trajectoire de suivi optimale de panneaux photovoltaïques bifaciaux Pending WO2024252419A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202341039537 2023-06-09
IN202341039537 2023-06-09

Publications (1)

Publication Number Publication Date
WO2024252419A1 true WO2024252419A1 (fr) 2024-12-12

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PCT/IN2024/050695 Pending WO2024252419A1 (fr) 2023-06-09 2024-06-07 Système et procédé de détermination de trajectoire de suivi optimale de panneaux photovoltaïques bifaciaux

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN213717907U (zh) * 2020-11-23 2021-07-16 广州中旭新能源有限公司 一种智能光伏组件的单轴角度跟踪系统
EP3913795A1 (fr) * 2020-05-20 2021-11-24 Soltec Innovations S.L. Procédé d'amélioration de la production d'énergie dans des modules de panneaux solaires bifaces

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3913795A1 (fr) * 2020-05-20 2021-11-24 Soltec Innovations S.L. Procédé d'amélioration de la production d'énergie dans des modules de panneaux solaires bifaces
CN213717907U (zh) * 2020-11-23 2021-07-16 广州中旭新能源有限公司 一种智能光伏组件的单轴角度跟踪系统

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