JPH03237763A - Solar cell array - Google Patents
Solar cell arrayInfo
- Publication number
- JPH03237763A JPH03237763A JP2034928A JP3492890A JPH03237763A JP H03237763 A JPH03237763 A JP H03237763A JP 2034928 A JP2034928 A JP 2034928A JP 3492890 A JP3492890 A JP 3492890A JP H03237763 A JPH03237763 A JP H03237763A
- Authority
- JP
- Japan
- Prior art keywords
- solar cell
- cell array
- electromotive force
- cell module
- module
- 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
Links
- 230000004907 flux Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000003491 array Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005670 electromagnetic radiation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
Description
【発明の詳細な説明】 〈産業上の利用分野〉 本発明は太陽電池アレイの構造に関する。[Detailed description of the invention] <Industrial application field> The present invention relates to the structure of a solar cell array.
〈従来の技術〉
従来の太陽電池アレイについて、第６図乃至第８図に従
って説明する。<Prior Art> A conventional solar cell array will be described with reference to FIGS. 6 to 8.
１ず、−膜内に太陽電池モジュール１は第６図のような
構造になって釦り、太陽電池セル３とリードフレーム４
が連続的に接続された電気的ルー１７を構成していると
考えることが出来、光生成電流８がこの電気的ループ７
に沿って流れる。なか、５は正極、６は負極である。1.-The solar cell module 1 has a structure as shown in FIG.
can be thought of as constituting an electrical loop 17 connected continuously, and the photogenerated current 8 flows through this electrical loop 7.
flows along. Among them, 5 is a positive electrode, and 6 is a negative electrode.
従来は、上記太陽電池モジュール１’４直列及び並列に
接続して太陽電池アレイを構威し、必要とする電力を得
ていた。直列接続及び並列接続による従来の太陽電池ア
レイの例をそれぞれ第７図及び第８図に示す。図中、８
は受光によって発生する光生成電流、ｌＯは後述するよ
うに、太陽電池モジニー／Ｉ／１の電気的ルー１７を磁
束９が貫通する際に発生する誘導起電圧、またｔｔＦｉ
出カケ−プルである。Conventionally, the solar cell modules 1' were connected in series and in parallel to form a solar cell array to obtain the required power. Examples of conventional solar cell arrays with series and parallel connections are shown in FIGS. 7 and 8, respectively. In the figure, 8
is the photogenerated current generated by light reception, lO is the induced electromotive force generated when the magnetic flux 9 passes through the electrical loop 17 of the solar cell Modiny/I/1, and ttFi is
This is the output cable.
〈発明が解決しようとする課題〉
ところで、太陽電池アレイの至近距離での落雷や至近距
離に置かれたバラポラアンテナ或は高圧送電線などによ
って空中に放出される強方な電磁波によって、上記太陽
電池アレイに電磁障害が生しる場合がある。これは、上
記の強力な電磁波が太陽電池アレイを構成する各太陽電
池モジュール！を貫通することによって発生する電磁誘
導に起因する電圧が発生するためである。<Problems to be Solved by the Invention> By the way, strong electromagnetic waves emitted into the air by lightning strikes at close range of solar cell arrays, scattered antennas placed at close range, high-voltage power transmission lines, etc. Electromagnetic interference may occur in the battery array. This is because the strong electromagnetic waves above each solar module that make up the solar array! This is because a voltage is generated due to electromagnetic induction generated by penetrating the
ぺ
詳細に説明すると、空中を皐搬する電磁波（磁束変化の
波）が、導電性の物質で構成されたループを貫くとき、
そこに発生する誘導起電力Ｖは「電磁誘導の法則」によ
シ、次式で表すことが出来る。To explain in detail, when electromagnetic waves (waves of magnetic flux changes) traveling through the air penetrate a loop made of conductive material,
The induced electromotive force V generated therein can be expressed by the following equation according to the "law of electromagnetic induction".
ここでφ（１）はループを貫く全磁束であり、負の符号
は「レンツの法則（誘導起電力はそれを生ずる原因をさ
またげる向きをもつ）」によるものである。又、磁束変
化が激しいほうが発生する誘導起電圧が高いため、一般
には高周波が誘起される。Here, φ(1) is the total magnetic flux passing through the loop, and the negative sign is due to Lenz's law (an induced electromotive force has a direction that obstructs the cause that causes it). Furthermore, the induced electromotive voltage generated is higher when the magnetic flux changes more violently, so generally a high frequency wave is induced.
従って、例えば第７図及び第８図に示す太陽電池モジュ
ー／Ｌ／１の電気的ループ７を手前から反対側へ磁束９
が増大してゆくときを考えると、発生する誘起電圧１０
は矢印の向きのように反時計方向に発生する。これらを
電気的に接続して太陽電池アレイを構成すると、各太陽
電池モジュール１に発生する誘導起電圧１０が積算され
て大きくなり、周波数も高周波であるため接続される負
荷などに電磁障害を与える。Therefore, for example, the electrical loop 7 of the solar cell module /L/1 shown in FIGS.
When considering the case where the induced voltage increases, the induced voltage 10
occurs in the counterclockwise direction as indicated by the arrow. When these are electrically connected to form a solar cell array, the induced electromotive force 10 generated in each solar cell module 1 is integrated and becomes large, and because the frequency is high, it causes electromagnetic interference to connected loads, etc. .
そこで本発明の目的は、外部からの強力な電磁波（磁束
）が各太陽電池モジュールを貫通しても、接続される負
荷などに電磁障害を与えることのない太陽電池アレイを
提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a solar cell array that does not cause electromagnetic interference to connected loads, even if strong electromagnetic waves (magnetic flux) from the outside penetrate each solar cell module.
〈課題を解決するための手段〉
上記目的を達成するために本発明による太陽電池アレイ
は、複数の太陽電池セルを接続して電気的ｌレープを形
成する太陽電池モジュールを少なくとも２モジユール１
対として接続してなり、上記１対の太陽電池モジュール
の各電気的ループを、該各電気的ループに流れる光生成
電流の方向が受光面から見て互いに反対方向となるよう
になし、且つ上記各電気的μｍプが囲む面積を同一とし
たことを特徴とする。<Means for Solving the Problems> In order to achieve the above object, a solar cell array according to the present invention comprises at least two solar cell modules each of which connects a plurality of solar cells to form an electrical loop.
connected as a pair, each of the electrical loops of the pair of solar cell modules is configured such that the direction of the photo-generated current flowing through each of the electrical loops is opposite to each other when viewed from the light receiving surface; It is characterized in that the area surrounded by each electrical μm plate is the same.
〈作用〉
一対の太陽電池モジュールにおいて、それぞれの電気的
ループに流れる光生成電流の方向を互いに逆となるよう
になし、且つそれぞれの電気的ループが囲む面積を同一
とするので、外部からの電磁波が上記太陽電池モジュー
ル対を貫通する時に、上記それぞれの電気的ループに発
生する誘導起電圧が、太陽電池モジューμ対として直列
接続した時には相殺される方向に、また並列接続した時
には閉ループになるように発生することとなシ、外部に
誘導起電力は現われない。<Operation> In a pair of solar cell modules, the direction of the photogenerated current flowing through each electrical loop is made to be opposite to each other, and the area surrounded by each electrical loop is the same, so that external electromagnetic waves are prevented. When the solar cell modules pass through the pair of solar cell modules, the induced electromotive force generated in each of the electric loops is canceled out when the solar cell modules are connected in series as a μ pair, and becomes a closed loop when connected in parallel. However, no induced electromotive force appears externally.
〈実施例〉 本発明一実施例を第１図乃至射５図に従って説明する。<Example> An embodiment of the present invention will be described with reference to FIGS. 1 to 5.
まず、第１図は本発明による太陽電池アレイの実施例で
少なくとも２モジユールを１対としてなシ、それぞれの
太陽電池モジュールを直列に接続した場合である。図に
示すように、上記太陽電池アレイ１００は、太陽電池モ
ジューＡ／１及び太陽電池モジュール２とからなってい
る。First, FIG. 1 shows an embodiment of the solar cell array according to the present invention, in which at least two modules are formed as a pair and each solar cell module is connected in series. As shown in the figure, the solar cell array 100 includes a solar cell module A/1 and a solar cell module 2.
上記太陽電池モジュー７ｔ、’１の正極５１及び負極６
１ばそれぞれ、太陽電池アレイ１００の正極５及び上記
太陽電池モジュール２の正極５２に接続されている。ま
た、上記太陽電池モジュール２の負極６２は太陽電池ア
レイ１００の負極６に接続されている。Positive electrode 51 and negative electrode 6 of the solar cell module 7t, '1
1 are connected to the positive electrode 5 of the solar cell array 100 and the positive electrode 52 of the solar cell module 2, respectively. Further, the negative electrode 62 of the solar cell module 2 is connected to the negative electrode 6 of the solar cell array 100.
上記太陽電池モジュー）ｖ ｌ及び２のよう詳細な平面
図をそれぞれ第３図（ａ）及び（ｂ）に示す。図中、３
ぼ太陽電池セル、４は上記太陽電池セル３を接続するリ
ードフレームである。図に示すように、上記太陽電池モ
ジュール１及び２のそれぞれの太陽電池セ／Ｌ／３の配
置、接続を受光面よう見てそれぞれの電気的ループ７１
及び７２に流れる光生成電流８１及び８２の方向が互い
に反対方向となるよう構成している。Detailed plan views of the solar cell module) v 1 and 2 are shown in FIGS. 3(a) and (b), respectively. In the diagram, 3
4 is a lead frame to which the solar cell 3 is connected. As shown in the figure, the arrangement and connection of each of the solar cell cells/L/3 of the solar cell modules 1 and 2 are viewed from the light-receiving surface of each electrical loop 71.
The directions of the photogenerated currents 81 and 82 flowing in and 72 are opposite to each other.
また、上記電気的ループ７１及び７２によってそれぞれ
曲管れる面積を同一としている。これは上記面積を貫通
する磁束数を同一とすることによって、後述の誘導起電
圧も同電圧とするためである。従って、電気的ループ７
１及び７２によって囲まれる内面積が同一であれば、形
状が異なっても差し支えは無い。Furthermore, the areas curved by the electrical loops 71 and 72 are the same. This is because by making the number of magnetic fluxes penetrating the above-mentioned area the same, the induced electromotive voltage to be described later is also made to be the same voltage. Therefore, electrical loop 7
As long as the inner areas surrounded by 1 and 72 are the same, there is no problem even if the shapes are different.
以上のような構成に訃いて、例えば上記太陽電池アレイ
１００の至近距離での落雷や至近距離のパラボラアンテ
ナ或は高圧送電線などから強力な電磁波が空中に放出さ
れる場合のように、上記太陽電池モジュール１及び太陽
電池モジュール２のそれぞれの電気的ループ７１及び７
２を、外部より磁束９が貫通する際に、上記太陽電池モ
ジュー／Ｌ／１の電気的ルー１７１に発生する誘導起電
圧１０１と、太陽電池モジューｌし２の電気的ルー１７
２に発生する誘導起電圧１０２とが相殺される方向に発
生し、しかも同電圧であるため、外部に誘導起電力は現
われない。従って、上記太陽電池アレイ１００に接続さ
れる負荷などに電磁障害は発生しない。Due to the above-mentioned configuration, when a strong electromagnetic wave is emitted into the air from a lightning strike at a close distance to the solar cell array 100 or from a parabolic antenna or a high-voltage power transmission line at a close distance, Electrical loops 71 and 7 of battery module 1 and solar module 2, respectively
2, the induced electromotive force 101 generated in the electrical loop 171 of the solar cell module /L/1 when the magnetic flux 9 penetrates from the outside, and the electrical loop 17 of the solar cell module 1 and 2.
Since the induced electromotive force 102 generated in the electromotive force 2 is generated in a direction that cancels out the induced electromotive force 102 and the voltage is the same, no induced electromotive force appears externally. Therefore, no electromagnetic interference occurs in the load connected to the solar cell array 100.
第２図は本発明による太陽電池アレイの他の実施例を示
した図で、少なくとも一対の太陽電池モジュールを並列
に接続した場合である。この場合の太陽電池アレイ２０
０も、第１図に示す直列接続の場合と同様、第３図（ａ
）及び（ｂ）に示す太陽電池モジューＡ／ｌ及び太陽電
池モジュール゛２とからなり、該太陽電池モジュール１
及び２のそれぞれの電気的ル−プ７１及び７２を流れる
光生成電流８１及び８２の方向が互いに反対方向となる
よう構成する。FIG. 2 is a diagram showing another embodiment of the solar cell array according to the present invention, in which at least one pair of solar cell modules are connected in parallel. Solar cell array 20 in this case
0 is also the same as in the case of series connection shown in Fig. 3 (a).
) and (b), the solar cell module A/1 and the solar cell module
The directions of the photogenerated currents 81 and 82 flowing through the respective electrical loops 71 and 72 of and 2 are opposite to each other.
上記太陽電池モジュールｌの正極５１と太陽電池モジュ
ール２の正極５２は接続され、該接続点は太陽電池アレ
イ２００の正極５に引き出されている。また、上記太陽
電池モジュールｌの負極６１と太陽電池モジューＮ２の
負極６２は接続され、該接続点は太陽電池アレイ２００
の負極６に引き出されている。The positive electrode 51 of the solar cell module 1 and the positive electrode 52 of the solar cell module 2 are connected, and the connection point is led out to the positive electrode 5 of the solar cell array 200. Further, the negative electrode 61 of the solar cell module I and the negative electrode 62 of the solar cell module N2 are connected, and the connection point is connected to the solar cell array 200.
It is drawn out to the negative electrode 6 of.
以上のような構成において、上記太陽電池モジュール１
による誘導起電力１０１と、太陽電池モジュール２によ
る誘導起電力１０２とは、並列回路内で閉ループになる
ように発生し、しかも同電圧であるため、この場合も外
部に誘導起電力が現φ
われず、上記太陽電池アレイ２０に接続される負荷など
に電磁障害は発生しない。In the above configuration, the solar cell module 1
The induced electromotive force 101 caused by the solar cell module 2 and the induced electromotive force 102 caused by the solar cell module 2 are generated in a closed loop in a parallel circuit and have the same voltage. First, no electromagnetic interference occurs in the load connected to the solar cell array 20.
第４図は、第１図に示した一対の太陽電池モジュールか
らなる太陽電池アレイ１００を２対以上接続した場合を
示す。このように、太陽電池モジュール対による太陽電
池アレイを最小ユニットとして、無制限に接続すること
が出来る。又、この時、太陽電池アレイの電力引き出し
ケーブルを撚り合わせるか若しくは同軸り゛−プルを用
いることにより、更に耐電磁障害性を高めることが出来
る。FIG. 4 shows a case where two or more pairs of solar cell arrays 100 each consisting of a pair of solar cell modules shown in FIG. 1 are connected. In this way, a solar cell array made up of pairs of solar cell modules can be connected as a minimum unit without limit. Further, at this time, the electromagnetic interference resistance can be further improved by twisting the power extraction cable of the solar cell array or using a coaxial pull cable.
第２図に示す太陽電池アレイ２００も同様に無制限に接
続できる。Similarly, the solar cell array 200 shown in FIG. 2 can be connected without limit.
また、本発明による太陽電池アレイ１００及び２００は
、太陽光によって発生する光生成電流には何等影響を及
ぼさないため、太陽電池電源装置としての基本性能は完
全に保持される。Furthermore, since the solar cell arrays 100 and 200 according to the present invention have no effect on photogenerated current generated by sunlight, the basic performance as a solar cell power supply device is completely maintained.
筐た、太陽電池アレイを使用した応用例として第５図の
ような商用配電線１２との連係システムがあり、この連
係用Ｄ Ｃ／Ａ Ｃインバータ１３の内部では、一般に
電力変換効率を高めるため、１次側の直流入力を高周波
チョッパ一部１５にて矩形波（高周波ＰＷＭ）にしてか
ら所定の交流出力を２次側に得ている。１１はケーブル
、１６は波形整形部である。この１次側にはＤＣフィル
タ１４を介してはいるが高周波の矩形波が漏洩して太陽
電池アレイ１７に回シ込み、太陽電池モジュールをアン
テナとして電磁波を放射し、テレビやラジオに電磁障害
を及ぼすという問題点があった。これに対し、本発明に
よる太陽電池アレイを使用すれば発生する電磁輻射が太
陽電池モジュール対で相殺され外部に電磁障害を及ぼさ
ない。An example of an application using a solar cell array is a system for linking with a commercial power distribution line 12 as shown in Fig. 5. Inside this linking DC/AC inverter 13, a , the DC input on the primary side is converted into a rectangular wave (high frequency PWM) by the high frequency chopper part 15, and then a predetermined AC output is obtained on the secondary side. 11 is a cable, and 16 is a waveform shaping section. Although high-frequency rectangular waves enter the primary side through the DC filter 14, they leak and are routed to the solar cell array 17, which radiates electromagnetic waves using the solar cell module as an antenna, causing electromagnetic interference to televisions and radios. There was a problem with the effect of On the other hand, when the solar cell array according to the present invention is used, the generated electromagnetic radiation is canceled out by the solar cell module pair and does not cause electromagnetic interference to the outside.
以上のように本発明による太陽電池アレイは、外部から
電磁波が貫通する際に発生する誘導起電力が、上記太陽
電池アレイ内にかいて相殺されるか、或いは閉ループを
形成するので外部には現われず、負荷等に電磁障害を与
えない。As described above, in the solar cell array according to the present invention, the induced electromotive force generated when electromagnetic waves penetrate from the outside is canceled out within the solar cell array or forms a closed loop, so that the induced electromotive force does not appear outside. Do not cause electromagnetic interference to loads, etc.
また、商用配電線との連係システムに使用すれば、従来
のような、外部に対する電磁輻射による電磁障害を解消
できる。In addition, if used in a system linked to commercial power distribution lines, electromagnetic interference caused by electromagnetic radiation to the outside, which is conventional, can be eliminated.
〈発明の効果〉
以上のように、本発明による太陽電池アレイは、外部か
ら磁束が貫通しても、誘導起電力が見かけ上発生せず、
負荷等に電磁障害を与えない。<Effects of the Invention> As described above, the solar cell array according to the present invention does not apparently generate induced electromotive force even when magnetic flux penetrates from the outside.
Do not cause electromagnetic interference to loads, etc.
また、商用配電線との連係システムに使用すれば、外部
に対する電磁輻射による電磁障害を解消できる。Furthermore, if used in a system linked to commercial power distribution lines, electromagnetic interference caused by electromagnetic radiation to the outside can be eliminated.
第１図は、本発明一実施例による太陽電池アレイの基本
例を示す図、第２図は太陽電池アレイの他の基本例を示
す図、第３図（ａ）及び（ｂ）１４本発明による一対の
太陽電池モジュールのそれぞれを示す平面図、第４図は
第１図の太陽電池アレイによる具体例を示す図、第５図
は本発明による太陽電池アレイの応用例を示す図、第６
図は従来例による太陽電池モジュールの平面図、第７図
は従来例による太陽電池アレイを示す図、第８図は他の
従来例による太陽電池アレイを示す図である。
１．２・・・太陽電池モジュール、 ７Ｌ、７２・・・
電気的ループ、 ８１．８２・・・光生成電流、１００
・・・太陽電池アレイ。FIG. 1 is a diagram showing a basic example of a solar cell array according to an embodiment of the present invention, FIG. 2 is a diagram showing another basic example of a solar cell array, and FIG. 3 (a) and (b) 14 of the present invention FIG. 4 is a plan view showing each of a pair of solar cell modules according to the present invention, FIG. 4 is a view showing a specific example using the solar cell array of FIG. 1, FIG.
This figure is a plan view of a solar cell module according to a conventional example, FIG. 7 is a diagram showing a solar cell array according to a conventional example, and FIG. 8 is a diagram showing a solar cell array according to another conventional example. 1.2...Solar cell module, 7L, 72...
Electrical loop, 81.82...Photogenerated current, 100
...Solar array.
Claims (1)
する太陽電池モジュールを少なくとも２モジュール１対
として接続してなる太陽電池アレイであって、 上記１対の太陽電池モジュールの各電気的ループを、該
各電気的ループに流れる光生成電流の方向が受光面より
見て互いに反対方向となるようになし、且つ上記各電気
的ループが囲む面積を同一としたことを特徴とする太陽
電池アレイ。[Scope of Claims] 1. A solar cell array formed by connecting at least two solar cell modules as a pair of solar cell modules each of which connects a plurality of solar cells to form an electrical loop, wherein the pair of solar cells Each of the electrical loops of the module is configured such that the direction of the photogenerated current flowing through each electrical loop is opposite to each other when viewed from the light receiving surface, and the area surrounded by each of the electrical loops is the same. Features solar cell array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2034928A JPH03237763A (en) | 1990-02-14 | 1990-02-14 | Solar cell array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2034928A JPH03237763A (en) | 1990-02-14 | 1990-02-14 | Solar cell array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03237763A true JPH03237763A (en) | 1991-10-23 |
Family
ID=12427861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2034928A Pending JPH03237763A (en) | 1990-02-14 | 1990-02-14 | Solar cell array |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03237763A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5500052A (en) * | 1993-05-19 | 1996-03-19 | Nec Corporation | Solar photovoltaic power generation device capable of adjusting voltage and electric power |
| JP2014192617A (en) * | 2013-03-26 | 2014-10-06 | Fujitsu Ltd | Sunlight receiving device and sunlight receiving system |
| JP2018078684A (en) * | 2016-11-07 | 2018-05-17 | 日本電信電話株式会社 | Solar cell module, solar cell panel, and solar cell panel group |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60103656A (en) * | 1983-11-10 | 1985-06-07 | Fuji Electric Co Ltd | Solar battery module |
-
1990
- 1990-02-14 JP JP2034928A patent/JPH03237763A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60103656A (en) * | 1983-11-10 | 1985-06-07 | Fuji Electric Co Ltd | Solar battery module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5500052A (en) * | 1993-05-19 | 1996-03-19 | Nec Corporation | Solar photovoltaic power generation device capable of adjusting voltage and electric power |
| JP2014192617A (en) * | 2013-03-26 | 2014-10-06 | Fujitsu Ltd | Sunlight receiving device and sunlight receiving system |
| JP2018078684A (en) * | 2016-11-07 | 2018-05-17 | 日本電信電話株式会社 | Solar cell module, solar cell panel, and solar cell panel group |
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