WO2007015346A1 - 太陽光発電装置 - Google Patents
太陽光発電装置 Download PDFInfo
- Publication number
- WO2007015346A1 WO2007015346A1 PCT/JP2006/313258 JP2006313258W WO2007015346A1 WO 2007015346 A1 WO2007015346 A1 WO 2007015346A1 JP 2006313258 W JP2006313258 W JP 2006313258W WO 2007015346 A1 WO2007015346 A1 WO 2007015346A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solar cell
- cell module
- connection terminal
- power
- terminal
- Prior art date
Links
- 238000010248 power generation Methods 0.000 claims description 11
- 239000010409 thin film Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 230000031700 light absorption Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 241000652704 Balta Species 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 2
- 229910052951 chalcopyrite Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- 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 present invention relates to a photovoltaic power generation apparatus in which a plurality of thin film solar cell modules are connected in parallel.
- FIG. 1 shows a schematic diagram of a general photovoltaic power generation apparatus.
- the main components that make up the photovoltaic power generation system are a solar cell module and a power conditioner.
- the power obtained by the solar cell is input to the power conditioner and converted into the same form as commercial power (for example, 100V). Power to homes and factories.
- commercial power for example, 100V.
- Power to homes and factories For conversion by inputting to the power conditioner, it is preferable to increase the voltage because the conversion loss is reduced.
- the solar cell module is configured by connecting a plurality of cells, which are the smallest units that receive light and convert it into electrical energy, and these cells are classified into a Balta system and a thin film system depending on the thickness of the semiconductor. Has been.
- Balta solar cell for example, there is a single crystal silicon solar cell, which is obtained by slicing a silicon wafer from a silicon ingot.
- thin-film solar cells have a semiconductor layer (light absorption layer) force S thickness of 10 m to several ⁇ m and are classified into Si thin-film and compound thin-film, There are types such as II-VI group compound type and chalcopyrite type. As shown in FIG. 2, the lower electrode, the light absorption layer, the nofer layer, and the upper electrode layer are formed on the substrate, and a plurality of series stages are formed by scribing these in the thickness direction. By changing the number of steps Any voltage can be designed.
- one module shown in FIG. 1 is manufactured with one or two to three cells, and 100 to 100 It is easy to secure a voltage of 300V.
- the appearance looks like a single plate of black or blue, so there is no sense of incongruity even if it is used as a wall material or roofing material as a panel. .
- Patent Document 1 discloses a proposal in which a solar power generation device is configured using the above-described thin film solar cell.
- Patent Document 1 As shown in FIG. 3, two positive connection terminals and two negative connection terminals are provided on the back side of each solar cell, and the positive connection terminals of the solar battery cells are adjacent to each other.
- the module is connected in parallel in the form of a string by connecting the negative connection terminal to the negative connection terminal and the negative connection terminal of the adjacent solar battery cell.
- a conditioner is connected and the other end is terminated with an insulating cap.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-289893
- a photovoltaic power generation apparatus includes a solar cell module having two positive connection terminals and two negative connection terminals, and a plurality of the solar power generation devices.
- a closed loop solar cell module group in which the positive connection terminals and negative connection terminals of the pond module are connected in parallel, and the closed loop solar cell module group to supply power generated in the closed loop solar cell module group to the power conditioner.
- a connection box provided in a part of the solar cell module group.
- connection box has, for example, two positive connection terminals and two negative connection terminals, and one of the two positive connection terminals is connected to the positive connection terminal of one adjacent solar cell module. , Connect the other to the positive connection terminal of the other solar cell module, connect one of the two negative connection terminals to the negative connection terminal of one adjacent solar cell module, and connect the other Connect to the negative connection terminal of the other solar cell module. Then, join the two positive connection terminals and two negative connection terminals of the connection box to connect to the power conditioner.
- a solar cell module is configured using thin-film solar cells, and a plurality of solar cells are provided by providing two positive connection terminals and two negative connection terminals.
- a battery module is a closed loop solar cell module group in which positive connection terminals and negative connection terminals are connected in parallel, and a connection box connected to a power conditioner is provided in a part of the closed loop solar cell module group.
- the positive connection terminal of this connection box is connected to the brass connection terminal of the adjacent solar cell module, and the negative connection terminal of the connection box is connected to the negative connection terminal of the adjacent solar cell module. Even if a part of the closed loop breaks, power can be supplied almost without any influence.
- connection box power is supplied to the connection box from the left and right routes, so that the power supply wiring is shorter than in the case of the path force string shape, and power loss due to resistance can be reduced.
- the following table compares the power loss when the power supply wiring path force string is in the shape of a string and when it is in the shape of a closed loop as in the present invention.
- the number of connected solar cell modules is set to 16. In the case of a closed loop, power is supplied from the left and right routes, so the number of connected modules is set to 8 and the power loss of these 8 is doubled.
- the calculation of power loss is Since each wiring resistance is R (0.2 ⁇ ) and the power supplied by each solar cell module is i (0.6 W), the voltage of the grid does not change because it is connected in parallel.
- the power loss was calculated from i2R (Ohm's law) assuming that the current from the module flows in and the current according to the number of connections is added.
- connection box and connection terminals (connectors) of each module it is also possible to simply check circuit continuity.
- FIG. 1 Schematic diagram of a general photovoltaic power generation device
- FIG. 3 is a diagram illustrating a conventional solar power generation device using thin film solar cells.
- FIG. 4 is a diagram showing the overall configuration of the photovoltaic power generator according to the present invention.
- FIG. 4 is a diagram showing the overall configuration of the photovoltaic power generation apparatus according to the present invention
- FIG. 5 is a rear view of the solar cell module
- FIG. 6 is a diagram showing an example of a circuit in the connection box.
- the solar power generation apparatus is mainly composed of a solar cell module group 1 and a power conditioner 20.
- the solar cell module group 1 has a closed loop shape in which a plurality of solar cell modules 2 are connected in parallel.
- a terminal box 3 is provided on the back surface of the solar cell module 2 as shown in FIG.
- a positive connection terminal 4 and a negative connection terminal 5 are attached to the side surface of the terminal box 3, and two cables are led out from the terminal box 3.
- One of the cables 6 has a positive connection terminal. 8 has a negative connection terminal 9 attached to the other cable 7.
- the cable is led out from the terminal box 3 only in one side direction, but the cable is led out in the other side direction, and the positive connection terminal 4 and the negative connection terminal 5 are attached to each. Also good.
- the solar cell module 2 also has a thin-film cell force in which a plurality of series stages are formed.
- a ceramic intermediate layer is provided on one side of a flexible substrate that includes My power or My power, and is flattened.
- a lower electrode is formed on the flat surface, and chalcopyrite is formed on the surface of the lower electrode.
- a light absorption layer of a mold is formed, an upper electrode is formed on the light absorption layer via a buffer layer, and a layer that is a ceramic material for preventing warpage is further formed on the back surface side of the My force substrate. Things can be considered.
- the positive connection terminal 8 of the last solar cell module 2 is connected to the positive connection terminal 4 of the first solar cell module 2, and the negative connection terminal 9 of the last solar cell module 2 is connected to the first solar cell module 2.
- solar cell module group 1 connected in parallel in a closed loop is completed.
- connection box 10 for supplying power to the power conditioner 20 is disposed in a part of the solar cell module group 1 connected in parallel in the closed loop shape.
- the connection box 10 includes three positive connection terminals 11, 12 and 13 and three negative connection terminals 14, 15 and 16.
- the positive connection terminal 11 is connected to the positive connection terminal of one solar cell module 2 adjacent to the left and right
- the positive connection terminal 12 is connected to the positive connection terminal of the other solar cell module 2 adjacent to the left and right. These are joined to the positive connection terminal 13.
- the negative connection terminal 14 is connected to the negative connection terminal of one solar cell module 2 adjacent to the left and right.
- the negative connection terminal 15 is connected to the negative connection terminal of the other solar cell module 2 adjacent to the left and right. These are joined to the negative connection terminal 16.
- Cables 17 and 18 are led out from the positive connection terminal 13 and the negative connection terminal 16 of the connection box 10, respectively, and these cables 17 and 18 are connected to the power conditioner 20. .
- the electric power generated in each of the solar cell modules 2 ... enters the connection box 10 through the left and right power supply paths, is sent to the power conditioner 20 through the connection box 10, and is converted into commercial power. Supplied to households.
- the connection is broken in the middle, there is no waste because it is configured to enter the connection box 10 through the left and right power supply paths.
- connection boxes is not limited to one, and two connection boxes may be provided at the target locations of the closed loop.
- multiple solar cell module groups 1 may be collected and connected in series or in parallel.
Landscapes
- Photovoltaic Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/997,871 US20100163092A1 (en) | 2005-08-02 | 2006-07-04 | Photovoltaic device |
DE112006002081T DE112006002081T5 (de) | 2005-08-02 | 2006-07-04 | Photovoltaische Vorrichtung |
CN2006800344328A CN101268556B (zh) | 2005-08-02 | 2006-07-04 | 太阳能发电装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-223728 | 2005-08-02 | ||
JP2005223728A JP4416712B2 (ja) | 2005-08-02 | 2005-08-02 | 太陽光発電装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007015346A1 true WO2007015346A1 (ja) | 2007-02-08 |
Family
ID=37708625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/313258 WO2007015346A1 (ja) | 2005-08-02 | 2006-07-04 | 太陽光発電装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100163092A1 (ja) |
JP (1) | JP4416712B2 (ja) |
CN (1) | CN101268556B (ja) |
DE (1) | DE112006002081T5 (ja) |
WO (1) | WO2007015346A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101221154B1 (ko) | 2011-05-19 | 2013-01-21 | 주식회사 세아 이앤티 | 양전극 단자와 음전극 단자가 인접하여 형성된 염료감응 태양전지 모듈을 이용한 시계 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010250989A (ja) * | 2009-04-13 | 2010-11-04 | Smk Corp | 防水型コネクタと太陽光発電装置 |
KR101470059B1 (ko) * | 2011-12-18 | 2014-12-09 | 엘지이노텍 주식회사 | 태양전지 모듈 |
JP5671488B2 (ja) * | 2012-03-14 | 2015-02-18 | 東京エレクトロン株式会社 | 太陽電池モジュールの効能監視システム及びその監視方法 |
EP3970057A1 (en) | 2019-10-15 | 2022-03-23 | Google LLC | Voice-controlled entry of content into graphical user interfaces |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1052076A (ja) * | 1996-07-26 | 1998-02-20 | Toshiba Corp | 太陽光発電システム |
JP2000058896A (ja) * | 1998-08-03 | 2000-02-25 | Kubota Corp | 太陽電池 |
JP2002289893A (ja) * | 2001-03-26 | 2002-10-04 | Mitsubishi Heavy Ind Ltd | 太陽電池モジュール、太陽光発電システム及びその施工方法 |
JP2006057321A (ja) * | 2004-08-19 | 2006-03-02 | Mitsubishi Heavy Ind Ltd | 太陽電池パネル及び太陽電池パネルの施工方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11330521A (ja) * | 1998-03-13 | 1999-11-30 | Canon Inc | 太陽電池モジュ―ル、太陽電池アレイ、太陽光発電装置、太陽電池モジュ―ルの故障特定方法 |
CN2540683Y (zh) * | 2002-04-18 | 2003-03-19 | 上海太阳能科技有限公司 | 晶体硅太阳电池组件 |
-
2005
- 2005-08-02 JP JP2005223728A patent/JP4416712B2/ja not_active Expired - Fee Related
-
2006
- 2006-07-04 WO PCT/JP2006/313258 patent/WO2007015346A1/ja active Application Filing
- 2006-07-04 CN CN2006800344328A patent/CN101268556B/zh not_active Expired - Fee Related
- 2006-07-04 US US11/997,871 patent/US20100163092A1/en not_active Abandoned
- 2006-07-04 DE DE112006002081T patent/DE112006002081T5/de not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1052076A (ja) * | 1996-07-26 | 1998-02-20 | Toshiba Corp | 太陽光発電システム |
JP2000058896A (ja) * | 1998-08-03 | 2000-02-25 | Kubota Corp | 太陽電池 |
JP2002289893A (ja) * | 2001-03-26 | 2002-10-04 | Mitsubishi Heavy Ind Ltd | 太陽電池モジュール、太陽光発電システム及びその施工方法 |
JP2006057321A (ja) * | 2004-08-19 | 2006-03-02 | Mitsubishi Heavy Ind Ltd | 太陽電池パネル及び太陽電池パネルの施工方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101221154B1 (ko) | 2011-05-19 | 2013-01-21 | 주식회사 세아 이앤티 | 양전극 단자와 음전극 단자가 인접하여 형성된 염료감응 태양전지 모듈을 이용한 시계 |
Also Published As
Publication number | Publication date |
---|---|
JP2007042767A (ja) | 2007-02-15 |
CN101268556B (zh) | 2010-04-21 |
US20100163092A1 (en) | 2010-07-01 |
JP4416712B2 (ja) | 2010-02-17 |
CN101268556A (zh) | 2008-09-17 |
DE112006002081T5 (de) | 2008-06-19 |
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