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WO2020113251A1 - Restauration de la puissance de centrales électriques photovoltaïques - Google Patents

Restauration de la puissance de centrales électriques photovoltaïques Download PDF

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Publication number
WO2020113251A1
WO2020113251A1 PCT/AT2019/060411 AT2019060411W WO2020113251A1 WO 2020113251 A1 WO2020113251 A1 WO 2020113251A1 AT 2019060411 W AT2019060411 W AT 2019060411W WO 2020113251 A1 WO2020113251 A1 WO 2020113251A1
Authority
WO
WIPO (PCT)
Prior art keywords
photovoltaic module
photovoltaic
module
modules
power plant
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.)
Ceased
Application number
PCT/AT2019/060411
Other languages
German (de)
English (en)
Inventor
Christoph Mayr
Marcus RENNHOFER
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.)
AIT Austrian Institute of Technology GmbH
Original Assignee
AIT Austrian Institute of Technology GmbH
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 AIT Austrian Institute of Technology GmbH filed Critical AIT Austrian Institute of Technology GmbH
Publication of WO2020113251A1 publication Critical patent/WO2020113251A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
    • H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10D, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10D, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/041—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10D, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in subclass H10F
    • H01L25/043—Stacked arrangements of devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/40—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules comprising photovoltaic cells in a mechanically stacked configuration
    • 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
    • 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
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/10—Frame structures
    • 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
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • 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
    • H02S99/00—Subject matter not provided for in other groups of this subclass
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • 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

Definitions

  • the invention relates generally to a method for the maintenance of photovoltaic power plants.
  • the term "maintenance" in the context of this invention also applies to
  • the invention relates to a method for restoring the nominal power or for expanding, that is to say increasing, the nominal power of a photovoltaic power plant.
  • Photovoltaic (PV) power plants or PV systems have an average lifespan of between 20 and 30 years. After that, they must be dismantled or replaced. Even during operation under 20 years of age, there may be a desire or necessity to (again) increase the nominal output of a photovoltaic power plant, since natural aging increases the “watt peak (WP)” or nominal output of the photovoltaic modules by approximately 0.3 - 1.0% reduced per year and as a result can make the photovoltaic power plant unprofitable. In addition, this aging can be accelerated by salt spray, "Potential Induced Degradation (PID)", glass corrosion, glass clouding and / or abrasion. A complete dismantling or the construction of a new power plant come for reasons of costs and themselves
  • the nominal output of a state-of-the-art photovoltaic power plant includes, among other things, the replacement of individual unprofitable modules in existing lines or the complete reinstallation of systems (parts). If modules are replaced, unprofitable or electrically unsuitable modules must be sorted out individually and / or re-sorted in the line, with the modules having to be re-sorted and the lines re-wired
  • Performance classes and the new modules must be coordinated with the strand in terms of their performance. The old modules then still have to be removed and recycled. Mobile performance measurement may also be necessary. All of these necessary measures are time-consuming and labor-intensive. If part or all of the photovoltaic power plant is rebuilt, there is often also the erection and the Acceptance of the substructures or the attachment and fastening of the new modules to the supporting structure is necessary, which further increases the time and financial expenditure. In the course of a method according to the prior art, the following disadvantages or undesirable requirements may also arise: replacing leaky plugs, introducing new slot nuts, corroded screw holes and
  • Nominal output of a photovoltaic power plant is due to the following process steps
  • the method according to the invention enables power to be restored
  • Photovoltaic modules without subsequently removing or changing the substructure or the existing modules.
  • the proposed method enables: (a) Supplementing / adapting strings with mismatched PV modules by replacing them with modules with the same / matching performance;
  • BOS Binary of System
  • the invention provides a method, the second photovoltaic module after the application in method step C) at least one electricity-generating portion of the front of the first photovoltaic module, preferably completely covers the front of the first photovoltaic module.
  • the invention provides a method in which method step B) is carried out imperatively and after method step B) the first photovoltaic module, in particular by means of mutually connecting
  • Connection cables of the first photovoltaic module is short-circuited.
  • the invention provides a method in which method step B) is carried out imperatively and after method step B) the connecting cables of the first photovoltaic module are detached, in particular cut off, and electrically isolated from the string line infrastructure of the photovoltaic power plant.
  • the invention provides a method, wherein in method step D) the fastening takes place by gluing the second photovoltaic module to the front of the first photovoltaic module.
  • the adhesive attachment can be a detachable attachment, for example by detaching the photovoltaic module with a
  • Removal force that is greater than the adhesive force or by means of chemical substances that weaken or completely dissolve the adhesive layer or its adhesive force.
  • the invention provides a method in which the front of the first photovoltaic module is cleaned before method step D) is carried out.
  • the invention provides a method, wherein the second photovoltaic module is designed as a photovoltaic module without a frame and / or with a reduced module structure.
  • the invention provides a method, wherein in method step D) the fastening by releasable mechanical fastening, in particular by clamping, plugging and / or screwing, the second photovoltaic module on the front, the frame and / or the support structure of the first photovoltaic module he follows.
  • the invention provides a method in which a multiplicity of first photovoltaic modules are provided, with all of the first Photovoltaic modules the method is carried out according to one of the above statements.
  • the invention provides a method in which a multiplicity of first photovoltaic modules is provided, only for one
  • the method is carried out according to one of the above statements.
  • the invention provides a method, the specific part of the first photovoltaic modules including those first photovoltaic modules that have a power that can be generated that is less than a power limit.
  • STC standard test conditions
  • the “nominal power” or “watt peak (WP) - power” of photovoltaic power plants or photovoltaic systems then designate the total power of all photovoltaic modules
  • Photovoltaic power plant or this photovoltaic system are Photovoltaic power plant or this photovoltaic system.
  • front side denotes one
  • Photovoltaic module the upper side of the photovoltaic module in the operating or installation position or facing the sun / radiation.
  • the front of a photovoltaic module is consequently the power-generating side of the photovoltaic module and is opposite the rear of the photovoltaic module.
  • FIG. 1 shows, in a schematic cross-sectional view, a first “old” photovoltaic module which, according to a first embodiment of the method according to the invention, was built over by means of a second “new” photovoltaic module;
  • FIG. 2 shows a schematic cross-sectional view of a first “old” photovoltaic module which, according to a second embodiment of the method according to the invention, was built over by means of a second “new” photovoltaic module;
  • Figures 1 and 2 each show an example of a first, to be replaced "old" photovoltaic module 1 of the photovoltaic power plant, which was built over according to the inventive method by means of a second "new" photovoltaic module s 2.
  • the second photovoltaic module 2 was applied to the front 3 of the first photovoltaic module s 1, so that the second photovoltaic module 2 at least partially covers the front 3 of the first photovoltaic module s 1.
  • the second photovoltaic module 2 preferably covers at least a current-generating portion of the front side 3 of the first photovoltaic module 1.
  • the second photovoltaic module 2 completely covers the front side 3 of the first photovoltaic module 1.
  • the current-generating portion of the front side 3 of the first photovoltaic module s 1 essentially corresponds to the entire area of the front side 3 minus the front frame area of an optional frame of the first photovoltaic module s 1.
  • the second one covers
  • Photovoltaic module 2 essentially the entire front 3 of the first
  • Photovoltaic module s 1 1.
  • the second photovoltaic module 2 is mounted within fastening clamps 4 of the first photovoltaic module s 1.
  • the second photovoltaic module 2 can cover the current-generating portion of the front side 3 of the first photovoltaic module s 1 and, if appropriate, additionally a portion of the front frame area of the frame of the first photovoltaic module s 1.
  • a photovoltaic power plant or a photovoltaic system can have and provide a large number of first photovoltaic modules.
  • the method according to the invention can be carried out for all first photovoltaic modules 1. In this way, an essentially complete restoration of the originally installed nominal power of the photovoltaic power plant can be achieved by the new second photovoltaic modules 2 having essentially the same nominal power as the originally installed first photovoltaic modules 1. Alternatively, an increase in the originally installed ones can be achieved
  • Nominal output of the photovoltaic power plant can be achieved by one, several or all of the new second photovoltaic modules 2 having a higher nominal output than the originally installed first photovoltaic module (s) 1.
  • the method according to the invention can alternatively be carried out only for a specific part of the first photovoltaic modules 1. For example, only those first photovoltaic modules 1 that have a power that can be generated that is less than a power limit are replaced or built over.
  • This power limit value can be a portion of the original (installed) nominal power of the corresponding first photovoltaic module 1. For example, the power limit can be between 1% and 99% of the original (installed) rated power of the corresponding first
  • Photovoltaic module 1 are.
  • the performance limit may be approximately 10%, 20%, 30%, 40%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, or 95% of the original (Installed) nominal power of the corresponding first photovoltaic module 1.
  • an original (installed) nominal power of a first photovoltaic module 1 of 100 watts and a power limit of approximately 80%, i.e. approximately 80 watts all of the first photovoltaic modules 1 would then be replaced or built over, for example, before or at the time the method was carried out have producible power of less than about 80 watts.
  • the method according to the invention has at least the following method steps, wherein in the case of a plurality or a plurality of first photovoltaic modules 1 the following process steps are carried out for each of the first photovoltaic modules 1 to be built over
  • photovoltaic power plants have a plurality or a plurality of first photovoltaic modules 1, for example 1 to 10, 10 to 100, 100 to 1000, 1000 to 10,000 or more than 10,000 photovoltaic modules 1):
  • the front side 3 of the first photovoltaic module 1 is the power-generating side and lies opposite the rear side 6 of the first photovoltaic module 1. People can apply it manually and / or by means of technical aids, in particular a crane.
  • Carrier construction can have the fastening clamps 4, a substructure 5 and / or further elements for carrying or fastening the first photovoltaic module 1.
  • the attachment can take place, for example, by gluing the second photovoltaic module 2 onto the front side 3 of the first photovoltaic module 1, as shown in FIG. 1.
  • the front side 3 of the first photovoltaic module 1 can be used before the
  • the second photovoltaic module 2 can be designed as a photovoltaic module without a frame and / or with a reduced module structure.
  • a reduced PV module structure is characterized, for example, by a weakly vapor-tight encapsulated rear side and / or by thinner glass than with standard modules, which reduces the cost per WP compared to standard modules.
  • the second can be fastened by releasable mechanical fastening, in particular by clamping, plugging and / or screwing
  • Photovoltaic module 2 on the front 1, the frame and / or the support structure of the first photovoltaic module 1 take place.
  • a person skilled in the art knows the mentioned and alternative possibilities of releasable mechanical fastening.
  • Method step E connecting the second photovoltaic module 2 to one
  • String line infrastructure of the photovoltaic power plant In the case of a plurality or a plurality of second photovoltaic modules 2, a plurality of second photovoltaic modules 2 can be electrically connected to one another and, instead of the old strand from the first photovoltaic modules 1 located underneath, can be connected as a new strand to the already existing strand line infrastructure, which has, for example, strand lines, junction boxes, inverters .
  • the first photovoltaic module 1 is electrically separated from the string line infrastructure of the photovoltaic power plant.
  • the first photovoltaic module 1 can be short-circuited, in particular by means of mutual connection of connecting cables of the first photovoltaic module 1. This is not a problem insofar as the first photovoltaic module 1 as a whole is shaded by the second photovoltaic module 2 and no longer produces electrical power.
  • the connecting cables of the first photovoltaic module s 1 can be detached from the string line infrastructure of the photovoltaic power plant, for example unscrewed or cut off, and electrically insulated.
  • the method according to the invention can be used for any type of photovoltaic module,
  • Photovoltaic system and / or photovoltaic power plant are carried out.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Photovoltaic Devices (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

L'invention concerne un procédé pour la restauration ou l'accroissement de la puissance nominale d'une centrale électrique photovoltaïque. Ledit procédé est caractérisé par les étapes suivantes : A) mise à disposition d'au moins un premier module photovoltaïque (1) de la centrale électrique photovoltaïque ; B) de préférence séparation électrique du premier module photovoltaïque (1) d'une infrastructure de conducteurs de phase de la centrale électrique photovoltaïque ; C) application d'un deuxième module photovoltaïque (2) sur une face avant (3) du premier module photovoltaïque (1), de telle sorte que le deuxième module photovoltaïque (2) recouvre au moins partiellement la surface de la face avant (3) du premier module photovoltaïque (1) ; D) fixation du deuxième module photovoltaïque (2) sur/au niveau de la face avant (3), un cadre et/ou une construction support du premier module photovoltaïque (1) ; E) raccordement du deuxième module photovoltaïque (2) à l'infrastructure de conducteurs de phase de la centrale électrique photovoltaïque.
PCT/AT2019/060411 2018-12-03 2019-12-03 Restauration de la puissance de centrales électriques photovoltaïques Ceased WO2020113251A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATGM50201/2018 2018-12-03
ATGM50201/2018U AT16573U1 (de) 2018-12-03 2018-12-03 Leistungswiederherstellung von Photovoltaikkraftwerken

Publications (1)

Publication Number Publication Date
WO2020113251A1 true WO2020113251A1 (fr) 2020-06-11

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Application Number Title Priority Date Filing Date
PCT/AT2019/060411 Ceased WO2020113251A1 (fr) 2018-12-03 2019-12-03 Restauration de la puissance de centrales électriques photovoltaïques

Country Status (2)

Country Link
AT (1) AT16573U1 (fr)
WO (1) WO2020113251A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022106652A1 (fr) * 2020-11-20 2022-05-27 Electricite De France Procede et dispositif d'optimisation de panneaux photovoltaiques et panneaux photovoltaiques optimises selon ce procede

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3923468A1 (fr) 2020-06-09 2021-12-15 Siemens Gamesa Renewable Energy GmbH & Co. KG Procédé d'augmentation de la génération d'énergie d'une centrale solaire déjà installée, système de modification d'une centrale solaire et centrale solaire
US20250194263A1 (en) * 2021-08-23 2025-06-12 Conti SPE, LLC Retrofitting a thin film to a solar system

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE10139441C1 (de) * 2001-08-10 2002-10-10 Astrium Gmbh Verfahren zur Reparatur eines Solar-Panels
JP2018046204A (ja) * 2016-09-15 2018-03-22 株式会社Ｎｔｔファシリティーズ 太陽光発電ユニットと太陽電池モジュールの補修方法
WO2018142321A1 (fr) * 2017-02-02 2018-08-09 Sol Voltaics Ab Sous-cellules nanostructurées à transparence élevée dans des applications photovoltaïques à jonctions multiples

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101314790B1 (ko) * 2010-12-06 2013-10-08 삼성코닝정밀소재 주식회사 태양전지 모듈

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10139441C1 (de) * 2001-08-10 2002-10-10 Astrium Gmbh Verfahren zur Reparatur eines Solar-Panels
JP2018046204A (ja) * 2016-09-15 2018-03-22 株式会社Ｎｔｔファシリティーズ 太陽光発電ユニットと太陽電池モジュールの補修方法
WO2018142321A1 (fr) * 2017-02-02 2018-08-09 Sol Voltaics Ab Sous-cellules nanostructurées à transparence élevée dans des applications photovoltaïques à jonctions multiples

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022106652A1 (fr) * 2020-11-20 2022-05-27 Electricite De France Procede et dispositif d'optimisation de panneaux photovoltaiques et panneaux photovoltaiques optimises selon ce procede
FR3116677A1 (fr) * 2020-11-20 2022-05-27 Electricite De France Procede et dispositif d’optimisation de panneaux photovoltaiques et panneaux photovoltaiques optimises selon ce procede
US12407294B2 (en) 2020-11-20 2025-09-02 Electricite De France Method and device for optimising photovoltaic panels and photovoltaic panels optimised using this method

Also Published As

Publication number Publication date
AT16573U1 (de) 2020-01-15

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