WO2015087638A1 - 太陽光発電システム - Google Patents
太陽光発電システム Download PDFInfo
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- WO2015087638A1 WO2015087638A1 PCT/JP2014/079142 JP2014079142W WO2015087638A1 WO 2015087638 A1 WO2015087638 A1 WO 2015087638A1 JP 2014079142 W JP2014079142 W JP 2014079142W WO 2015087638 A1 WO2015087638 A1 WO 2015087638A1
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- Prior art keywords
- power generation
- switch
- photovoltaic power
- solar
- connection
- Prior art date
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- 238000010248 power generation Methods 0.000 claims description 160
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 230000005611 electricity Effects 0.000 abstract description 3
- 206010014405 Electrocution Diseases 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/02016—Circuit arrangements of general character for the devices
- H01L31/02019—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02021—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier for solar cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
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- 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
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- 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
- H02S40/36—Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
-
- 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
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- 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
-
- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Definitions
- the present invention relates to a solar power generation system that converts solar energy into electric power.
- a photovoltaic power generation panel that generates power by sunlight is known.
- a photovoltaic power generation panel a plurality of cells are connected in series within the panel, and each cell is constituted by a semiconductor element having a PN junction.
- a power generation system is constituted by connecting a plurality of photovoltaic power generation panels.
- the solar power generation panel described in Patent Document 1 includes a switch connected between a solar power generation cell and a connector that outputs energy, and the switch is disconnected during installation of the solar power generation panel by the switch. It is possible to connect after installation. This prevents the connector, the connection box, and other electric parts from being damaged by arc discharge caused by the connection and disconnection of the plug to which the voltage is applied.
- Patent Document 1 The technique described in Patent Document 1 described above is intended to increase safety when installing a photovoltaic power generation panel.
- safety problems may occur even after the photovoltaic power generation panel is installed. For example, it is conceivable that a fire occurs around the solar power generation panel or itself. In such a case, fire extinguishing must be started as soon as possible, but a solar panel that is operating normally does not stop generating voltage.
- the present invention has been made in view of such circumstances, and in the event of a fire, a solar power generation system capable of disconnecting a series connection of a plurality of solar power generation panels and preventing an operator's electric shock due to water discharge.
- the purpose is to provide.
- a photovoltaic power generation system of the present invention is a photovoltaic power generation system that converts solar energy into electric power, and a plurality of photovoltaic power generation panels connected in series, And a switch that enables disconnection or connection with respect to series connection by a plurality of photovoltaic power generation panels, and the switch operates when receiving a specific control signal.
- the serial connection of a several photovoltaic power generation panel can be cut off, and the electric shock of the operator by water discharge can be prevented.
- disconnecting the series connection by a plurality of photovoltaic power generation panels means disconnecting the series connection of the power generation function into a plurality of sections regardless of the position to be disconnected.
- the switch when the switch receives an external input signal generated by an operation as the specific control signal, the plurality of switches according to the input signal. It is characterized by disconnecting or connecting to the series connection by the photovoltaic power generation panel. Thereby, even when a fire occurs, the series connection of the photovoltaic power generation panels can be disconnected from the outside by the operator's intention.
- the photovoltaic power generation system of this invention WHEREIN: The position which the said switch can isolate
- the switch is provided on a connection line that connects the terminals of the photovoltaic power generation panels, and is transmitted through a control line connected in parallel to the connection line.
- the connection line is disconnected and connected.
- the photovoltaic power generation system of the present invention is characterized in that the connection line is formed as a connector connectable to a terminal of the photovoltaic power generation panel.
- the series connection of a plurality of photovoltaic power generation panels can be disconnected, and the operator's electric shock due to water discharge can be prevented.
- FIG. 1 It is a block diagram which shows the photovoltaic array of 1st Embodiment. It is a block diagram which shows the solar energy power generation system and power conditioner main body of 1st Embodiment.
- (A)-(c) is a figure which shows an example of how to provide the switch with respect to the connection of each photovoltaic power generation panel. It is a figure which shows another example of how to provide the switch with respect to the connection of a photovoltaic power generation panel.
- FIG. 1 is a block diagram showing a photovoltaic power generation array 100.
- the photovoltaic power generation array 100 includes a photovoltaic power generation string 110 (solar power generation system), a power conditioner 120, an AC current collection box 130, and a cubicle 140.
- the solar power generation string 110 is configured by connecting solar power generation panels 111 in series, and converts solar energy into electric power.
- the photovoltaic power generation panel 111 is also called a photovoltaic power generation module, and is formed as a panel with a plurality of solar cells connected thereto, subjected to waterproofing treatment, and attached with a metal frame.
- the solar power generation string 110 is provided with a switch for disconnecting the series connection of the solar power generation panels 111.
- the power conditioner 120 is a type of inverter that converts the direct current flowing from the photovoltaic power generation string 110 into alternating current so that it can be used in a home environment.
- the power conditioner 120 has a function of adjusting an unstable voltage or current input to a stable output.
- an operation unit is provided in the power conditioner 120 so that the ON / OFF of the switch can be controlled.
- the alternating current collection box 130 collects the output of the solar power generation string 110 via the power conditioner 120 by alternating current and outputs it to the cubicle 140.
- the cubicle 140 boosts the output voltage from the AC current collection box 130 to a voltage that matches the system for the purpose of selling power.
- the cubicle 140 includes, for example, meters for measuring and displaying voltage, switches for opening and closing circuits, protection devices for overcurrent occurrence, protection devices for suppressing overvoltage, and voltage transformation.
- a transformer is housed.
- connection line 112 In the solar power generation string 110, a plurality of solar power generation panels 111 are connected in series by a connection line 112, and a DC voltage converted from solar energy in the solar power generation panel 111 is converted into a high voltage by serial connection to the power conditioner main body 120 a. Output.
- the connection line 112 is provided with a switch 115, and the switch 115 enables disconnection of the series connection by the plurality of photovoltaic power generation panels 111.
- the operation unit 116a receives an operation and sends a control signal for controlling the switch 115.
- the ON / OFF operation received by the operation unit 116a is transmitted to the switch 115 through the control line 116, the switch 115 is turned ON / OFF.
- the switch 115 is preferably provided at a position where the series connection by a plurality of photovoltaic power generation panels is disconnected so that the voltage accumulated in the series connection is 200 V or less in each section.
- the switch 115 is more preferably provided so that the voltage accumulated in series connection is 100 V or less in each section.
- the voltage accumulated in each section of the disconnected series connection is several tens of volts or less.
- the switch 115 is provided on the connection line 112 that connects the terminals of the photovoltaic power generation panel 111, and disconnects and connects the connection line 112 by a signal transmitted by the control line 116 connected in parallel to the connection line 112. Thereby, the connection of several places can be cut
- the switch 115 can be designed so that it is turned on when an external signal is High Level.
- the switch 115 for disconnecting the connection is provided for each photovoltaic power generation panel 111, but may be provided for each string of the plurality of photovoltaic power generation panels 111.
- connection structure of the solar cells 117 in the solar power generation panel 111 is the same, and the solar power generation panel 111 includes a plurality of solar cells. 117 is connected in series by two connecting lines 117a.
- the solar cell 117 is a semiconductor element in which a PN junction is formed on a silicon wafer, and generates a current when exposed to sunlight.
- FIGS. 3A to 3C shows a state in which the solar cell 117 is viewed from the light receiving surface side, and two connection lines connected from the light receiving surface of the solar cell 117 to the back surface.
- 117a is connected to the other of a large number of thin wires provided so that one of the wide ends is connected to the light receiving surface, and current is collected.
- the back surface of the solar cell 117 does not need to receive light, a uniform electrode is provided on the entire surface.
- Two connecting lines 117a are more efficient, but one connecting line 117a may be used.
- the bypass diode 113 is provided so as to connect the terminals 118 for each of a predetermined number of solar cells 117 connected in series.
- the bypass diode 113 functions as a bypass for flowing a current while avoiding the defective portion even if a failure occurs in some of the solar cells 117. Thereby, it can prevent that the damage of a malfunction reaches the photovoltaic power generation panel 111 whole.
- the junction box 114 is provided integrally with the photovoltaic power generation panel 111 and has a function of a connector for connecting the connection line 112 cable to the terminal 118 of the photovoltaic power generation panel 111.
- the junction box 114 is preferably disposed on the back surface of the photovoltaic power generation panel 111.
- the solar cell 117 is always in a power generation state if it is exposed to light.
- a part of the photovoltaic power generation string 110 or a part of the electrode (active part) of the photovoltaic power generation panel 111 is exposed due to a fire or the like, the water is discharged through the water for fire extinguishing.
- the water discharge operator gets an electric shock.
- the switches 115a to 115c the above situation can be prevented, and the output voltage of the solar power generation string 110 or the output voltage of the section where the solar power generation panel 111 can be splashed can be reduced.
- the solar power generation string 110 is usually formed by connecting a plurality of solar power generation panels 111 in series, and generates a voltage of several hundred volts.
- a switch that can be turned ON / OFF by an external signal is provided in such a solar power generation panel 111 or a connection portion between the solar power generation panels 111.
- the output voltage of the solar power generation string 110 can be lowered by disconnecting the series connection to the solar power generation panel 111 alone or to a small scale solar power generation string 110 (output voltage is 100 V or less).
- the output voltage of the solar power generation panel 111 alone is usually several tens of volts or less depending on the case. In this state, there is no electric shock due to water discharge, and it can be handled in the same way as a general house fire. .
- the switch 115a is provided in the terminal portion of the photovoltaic power generation panel 111, and the ON / OFF of the switch 115a is controlled by the control line 116 connected in parallel with the connection line 112. .
- the control line 116 for controlling the switch 115a is provided integrally with the cable for extracting power from the solar power generation panel 111, and the control line 116 and the connection line 112 are connected to the solar power generation panel 111 with the same cable. Has been. When the switch 115a is turned off, the series connection of each photovoltaic power generation panel 111 is disconnected.
- the switch 115b is provided in the terminal portion of the photovoltaic power generation panel 111, and the ON / OFF of the switch 115b is controlled by the control line 116 connected in parallel with the connection line 112. Yes.
- the connection line 112 and the control line 116 are connected to the photovoltaic power generation panel 111 by different cables.
- connection line 112 is provided in the junction box 114, so that it can be formed as a connector that can be connected to the terminals of the photovoltaic power generation panel 111.
- each of the four switches 115c is provided for each series connection of a plurality of solar cells 117 in the photovoltaic power generation panel 111, and when the switch 115c is turned off, The connection is disconnected for each series connection of the solar cells 117. Therefore, in this case, the section of series connection separated from the example shown in FIGS. 3A and 3B becomes shorter and the voltage becomes lower. Also in this case, ON / OFF of the switch 115c is controlled by the control line 116 connected in parallel to the connection line 112. Moreover, although the connection line 112 and the control line 116 are connected to the photovoltaic power generation panel 111 with different cables, they may be connected with the same cable.
- the switches 115a to 115c are provided integrally with the photovoltaic power generation panel 111, and the control line 116 is daisy-chained when the photovoltaic power generation panel 111 is connected in series. It is preferable to provide wiring equipment that can be connected by a chain. Thereby, the photovoltaic power generation panel 111 can be provided according to a scale.
- FIG. 4 is a diagram showing another example of how to provide a switch for connection of the photovoltaic power generation panel 111.
- the switch 115 d is provided outside the solar power generation panel 111 and the junction box 114.
- the ON / OFF of the switch 115d is controlled by the control line 116 connected in parallel with the connection line 112.
- the switch 115d is turned OFF, the series connection is disconnected for each photovoltaic power generation panel 111.
- a switch 115 d is provided in the middle of the connection line 112 between the photovoltaic power generation panels 111. Therefore, the wiring including the switch 115 can be easily attached to the currently used photovoltaic power generation array 100.
- FIG. 5 is a block diagram showing a solar power generation panel 211 in which a switch is provided in the solar cell.
- the photovoltaic power generation panel 211 is formed by series connection of solar cells 217 by connection lines 217a.
- the solar cell 217 is a semiconductor element in which a PN junction is formed on a silicon wafer, and a switch 215d is provided in the semiconductor element together with a power generation unit 217b.
- the switch 215d disconnects the serial connection of the solar cells 217 for each solar cell 217. Thereby, the serial connection of a solar cell can be cut
- the direct current generated by the solar power generation string is first converted into alternating current, and then collected and output to the cubicle.
- the direct current generated by the solar power generation string is first collected. It may be a photovoltaic power generation array that outputs electricity and converts the direct current into alternating current and outputs the alternating current to the cubicle.
- FIG. 6 is a block diagram showing the photovoltaic power generation array 300.
- the photovoltaic power generation array 300 includes a photovoltaic power generation string 110 (solar power generation system), a DC connection box 320, a DC current collection box 325, a power conditioner 330, and a cubicle 140.
- the DC connection box 320 outputs the DC current generated in the solar power generation string 110 to the DC current collection box 325.
- the DC current collection box 325 collects the output of the photovoltaic power generation string 110 via the DC connection box 320 with a direct current and outputs the current to the power conditioner 330.
- the power conditioner 330 converts the input direct current into alternating current so that it can be used in an environment such as a home, and outputs it to the cubicle 140.
- the cubicle 140 boosts the output voltage to a voltage that matches the purpose.
- FIG. 7 is a block diagram showing a solar power generation string 111 (solar power generation system) and a DC connection box 320 provided with a switch for disconnecting the serial connection in the wiring.
- the solar power generation string 110 includes a plurality of solar power generation panels 111, connection lines 112, and switches 115.
- the solar power generation string 110 converts the direct current voltage converted from the solar energy by the solar power generation panel 111 into a high voltage in series connection and outputs it to the direct current connection box 320.
- the connection line 112 is provided with a switch 115, and the series connection by the plurality of photovoltaic power generation panels 111 can be disconnected by the switch 115 in accordance with an operation from the operation unit 116a.
- the solar power generation string is described as the solar power generation system of the present invention.
- the solar power generation array or the solar power generation panel can also be regarded as the solar power generation system of the present invention. is there.
- the switch connects or disconnects the series arrangement based on the ON / OFF operation of the user received by the operation unit, but based on the ON / OFF signal from the temperature sensor.
- a switch may connect or disconnect the series arrangement.
- the solar power generation system of this embodiment includes a temperature sensor that detects the temperature of a plurality of solar panels. Then, the switch disconnects or connects the series connection by the plurality of photovoltaic power generation panels according to the output signal of the temperature sensor.
- the temperature sensor functions by providing at least one for each photovoltaic power generation string, and is provided in the vicinity of one of the solar panels.
- the temperature sensor is preferably provided on the back side of the light receiving surface of any solar panel.
- the temperature sensor may be formed together with a circuit such as a switch on the back side of the light receiving surface.
- the temperature sensor transmits a signal for turning off the switch when a predetermined temperature of 100 ° C. or higher and 200 ° C. or lower is reached.
- a predetermined temperature 100 ° C. or higher and 200 ° C. or lower.
- the predetermined temperature is more preferably 150 ° C. or higher and 200 ° C. or lower.
- a control line is provided separately from the connection line for power transmission for each photovoltaic power generation string, and the switch is turned on by transmitting a signal to the control line. , OFF.
- the control line 116 is configured to be bundled together with a power extraction cable, but in this case as well, each line itself is provided separately.
- the photovoltaic power generation system of the present invention is reliable even when adopting a configuration in which equipment is arranged between the signal generator and the switch. It is excellent in that the switch can be turned off.
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Abstract
Description
図1は、太陽光発電アレイ100を示すブロック図である。太陽光発電アレイ100は、太陽光発電ストリング110(太陽光発電システム)、パワーコンディショナー120、交流集電箱130およびキュービクル140を備えている。
上記の実施形態では、太陽光発電パネル111ごと、または複数の太陽光セル117の直列接続ごとにスイッチが設けられているが、太陽光セル117内に素子構造としてスイッチを設けてもよい。図5は、太陽光セル内にスイッチが設けられている太陽光発電パネル211を示すブロック図である。
上記の実施形態の太陽光発電アレイでは、太陽光発電ストリングにより発生した直流電流をまず交流に変換した後、集電してキュービクルに出力するが、太陽光発電ストリングにより発生した直流電流をまず集電し、その後段で直流電流を交流に変換してキュービクルに出力する太陽光発電アレイであってもよい。
上記の実施形態の太陽光発電システムでは、操作部で受け付けたユーザのON、OFFの操作をもとにスイッチが直列配列を接続または切り離しているが、温度センサによるON、OFFの信号をもとにスイッチが直列配列を接続または切り離してもよい。
110 太陽光発電ストリング
111 太陽光発電パネル
112 接続線
113 バイパスダイオード
114 ジャンクションボックス
115、115a~115d スイッチ
116 制御線
116a 操作部
117 太陽光セル
117a 接続線
118 端子
120 パワーコンディショナー
120a パワーコンディショナー本体
130 交流集電箱
140 キュービクル
211 太陽光発電パネル
215d スイッチ
216 制御線
216a 操作部
217 太陽光セル
217a 接続線
217b 発電部
320 直流接続箱
325 直流集電箱
330 パワーコンディショナー
Claims (6)
- 太陽光エネルギーを電力に変換する太陽光発電システムであって、
直列に接続された複数の太陽光発電パネルと、
前記複数の太陽光発電パネルによる直列接続に対して切り離しまたは接続を可能にするスイッチと、を備え、
前記スイッチは、特定の制御信号を受けたときに動作することを特徴とする太陽光発電システム。 - 前記スイッチは、前記特定の制御信号として操作を契機として発生した外部からの入力信号を受けたときに、前記入力信号に応じて前記複数の太陽光発電パネルによる直列接続に対して切り離しまたは接続を行なうことを特徴とする請求項1記載の太陽光発電システム。
- 前記スイッチは、前記直列接続で累積された電圧が各区間で200V以下となるように前記複数の太陽光発電パネルによる直列接続を切り離せる位置に設けられていることを特徴とする請求項1または請求項2記載の太陽光発電システム。
- 前記スイッチは、前記太陽光発電パネル同士の端子を接続する接続線上に設けられ、前記接続線に並列接続された制御線により伝えられる制御信号により前記接続線の切り離しおよび接続を行なうことを特徴とする請求項1から請求項3のいずれかに記載の太陽光発電システム。
- 前記接続線は、前記太陽光発電パネルの端子に接続可能なコネクタとして形成されていることを特徴とする請求項4記載の太陽光発電システム。
- 前記複数の太陽光パネルの温度を検知する温度センサを備え、
前記スイッチは、前記温度センサの出力信号に応じて、前記複数の太陽光発電パネルによる直列接続の切り離しまたは接続を行なうことを特徴とする請求項1から請求項5のいずれかに記載の太陽光発電システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201480040388.6A CN105393451A (zh) | 2013-12-12 | 2014-10-31 | 太阳光发电系统 |
EP14869075.3A EP3082254A4 (en) | 2013-12-12 | 2014-10-31 | Solar photovoltaic system |
US14/902,149 US10680443B2 (en) | 2013-12-12 | 2014-10-31 | Solar power generation system |
Applications Claiming Priority (2)
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EP (1) | EP3082254A4 (ja) |
JP (1) | JP3189106U (ja) |
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Also Published As
Publication number | Publication date |
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US10680443B2 (en) | 2020-06-09 |
TW201530952A (zh) | 2015-08-01 |
CN105393451A (zh) | 2016-03-09 |
TWI596854B (zh) | 2017-08-21 |
EP3082254A1 (en) | 2016-10-19 |
US20160372929A1 (en) | 2016-12-22 |
JP3189106U (ja) | 2014-02-20 |
EP3082254A4 (en) | 2017-07-12 |
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