KR20180079822A - Photovoltaic module - Google Patents
Photovoltaic module Download PDFInfo
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- KR20180079822A KR20180079822A KR1020170000465A KR20170000465A KR20180079822A KR 20180079822 A KR20180079822 A KR 20180079822A KR 1020170000465 A KR1020170000465 A KR 1020170000465A KR 20170000465 A KR20170000465 A KR 20170000465A KR 20180079822 A KR20180079822 A KR 20180079822A
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- power conversion
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- module
- solar cell
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 207
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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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
-
- 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
-
- 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
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC 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
- 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
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
BACKGROUND OF THE
With the recent depletion of existing energy sources such as oil and coal, interest in alternative energy to replace them is increasing. Among them, solar cells are attracting attention as a next-generation battery that converts solar energy directly into electrical energy using semiconductor devices.
Meanwhile, the photovoltaic module means that the solar cells for solar power generation are connected in series or in parallel.
On the other hand, in the solar module, a junction box provided with various circuit elements and the like is disposed on the back surface of the solar module for power supply.
On the other hand, when the circuit element in the junction box fails, it is difficult to separate the fixed junction box on the back surface of the solar module.
An object of the present invention is to provide a solar module which can be easily replaced with a power conversion module disposed on the back surface of the solar cell module.
According to an aspect of the present invention, there is provided a solar module including: a solar cell module having a plurality of solar cells; a frame fixed to an outer frame of the solar cell module; A junction box including a bypass diode connected to a conductive line of the solar cell module, and a junction box disposed on an upper rear frame of a rear frame disposed on a back surface of the solar cell module, And a power conversion module including an inverter section.
According to another aspect of the present invention, there is provided a solar module including a solar cell module including a plurality of solar cells, a frame fixed to an outer frame of the solar cell module, A bypass diode connected to the conductive line of the solar cell module and an inverter section for outputting an AC power based on the DC power from the bypass diode, .
According to another aspect of the present invention, there is provided a solar module including a solar cell module having a plurality of solar cells, a frame fixed to an outer frame of the solar cell module, A junction box including a bypass diode connected to the conductive line of the solar cell module and disposed on the upper rear frame of the rear frame disposed on the back surface of the solar cell module, And a power converter module including a converter section for converting and outputting the DC power of the converter sub-rotor.
A solar module according to an embodiment of the present invention includes a solar cell module having a plurality of solar cells, a frame fixed to an outer frame of the solar cell module, A junction box including a bypass diode connected to a conductive line, and an inverter unit disposed in an upper rear frame of a rear frame disposed on a back surface of the solar cell module and outputting an AC power from a junction box based on a DC power source By including the power conversion module, it becomes easy to replace the power conversion module in the solar module outputting the AC power.
Particularly, since the junction box and the power conversion module are detachably connected, it is easy to separate the power conversion module disposed on the back surface of the solar cell module.
On the other hand, the power conversion module is configured to be detachable from the rear frame, so that replacement of the power conversion module at the time of failure of the power conversion module can be simplified.
According to another aspect of the present invention, there is provided a solar module including: a solar cell module having a plurality of solar cells; a frame fixed to an outer frame of the solar cell module; a rear frame And a power conversion module including a bypass diode which is disposed in the upper rear frame and connected to the conductive line of the solar cell module and an inverter section that outputs an AC power based on the DC power from the bypass diode, The replacement of the power conversion module in the photovoltaic module for outputting power can be simplified.
Particularly, since no separate circuit element or the like such as a junction box is disposed on the back surface of the solar cell module, the power conversion efficiency at the time of implementing the double-sided solar cell module is improved.
According to another aspect of the present invention, there is provided a solar module including: a solar cell module having a plurality of solar cells; a frame fixed to an outer frame of the solar cell module; A junction box including a bypass diode connected to a conductive line of the solar cell module, a converter disposed in an upper rear frame of a rear frame disposed on a back surface of the solar cell module, for converting the level of the DC power source from the junction box, And the power conversion module outputs the direct current power of the converter sub-rotor, so that the power conversion module in the solar module outputting the direct current power can be easily replaced.
1 is a diagram illustrating a solar light system according to an embodiment of the present invention.
2A and 2B are views illustrating a junction box disposed on the back surface of the solar module.
3 is a rear view of a solar module according to an embodiment of the present invention.
4A to 5D are diagrams referred to the description of the power conversion module of FIG.
6 is a rear view of a solar module according to another embodiment of the present invention.
7A and 7B are views referred to the description of the power conversion module of FIG.
8 is a front view of the solar module of Fig.
9 is an exploded perspective view of the solar cell module of FIG.
10 is a view showing the solar cell of FIG.
11 is a view showing a part of the solar cell of FIG.
12 is a view showing a solar light system according to another embodiment of the present invention.
13 is a rear view of a solar module according to another embodiment of the present invention.
14A to 15D are diagrams referencing the description of the power conversion module of FIG.
16 is a rear view of a solar module according to another embodiment of the present invention.
17A to 17B are diagrams referencing the description of the power conversion module of FIG.
18 is a rear view of a solar module according to another embodiment of the present invention.
19A to 19C are diagrams referencing the description of the power conversion module of FIG.
20 is a rear view of a solar module according to another embodiment of the present invention.
Figs. 21A to 21B are diagrams referred to the description of the power conversion module of Fig.
Hereinafter, the present invention will be described in detail with reference to the drawings.
The suffix "module" and " part "for components used in the following description are given merely for convenience of description, and do not give special significance or role in themselves. Accordingly, the terms "module" and "part" may be used interchangeably.
1 is a diagram illustrating a solar light system according to an embodiment of the present invention.
Referring to the drawings, a solar photovoltaic system 10a according to an embodiment of the present invention includes a plurality of solar modules 50a to 50n for outputting AC power, a plurality of photovoltaic modules 50a to 50n, A
The plurality of solar modules 50a to 50n can output each AC power to the
The plurality of solar modules 50a to 50n are connected to the junction boxes 200a to 200n and the
On the other hand, the junction boxes 200a to 200n may be fixedly arranged on the back surface of the solar cell modules 100a to 100n.
2A and 2B are views illustrating a junction box disposed on the back surface of the solar module.
2A, a
In this structure, there is a disadvantage that it is difficult to separate the
In addition, there is a disadvantage that the waterproofing treatment for the
Next, referring to FIG. 2B, a
In this structure, there is a disadvantage that it is difficult to separate the
In addition, there is a disadvantage that the waterproofing treatment for the
In order to solve this problem, in the present invention, a bypass diode, which is a minimum circuit element, is disposed in the junction boxes 200a to 200n, and the inverter units 540a to 540n The
According to this structure, since the
3 is a rear view of a solar module according to an embodiment of the present invention.
Referring to the drawings, a
The
In the drawing, it is illustrated that the first connecting
As described above, the
Meanwhile, the
The
The
The first cable connecting portion CNA and the second cable connecting portion CNB may include at least two cable connecting terminals (including two or three terminals (including neutral terminals)) at the time of single-phase AC power output, At the time of AC power output, at least three cable connection terminals (three terminals or four terminals (including neutral terminals)) may be provided.
Meanwhile, the
4A to 5D are diagrams referred to the description of the power conversion module of FIG.
First, FIG. 4A is a diagram showing an example of a circuit diagram inside a junction box and a power conversion module in the solar module shown in FIG. 3. FIG.
Referring to the drawings, the
The
It may be referred to as a
On the other hand, the three bypass diodes Da, Db, and Dc are connected to the first to fourth
On the other hand, the bypass diodes Dc, Db, and Da are connected to the
The
Next, the
The
The
On the other hand, the
On the other hand, the
On the other hand, the
On the other hand, the DC power source through the
The
In the figure, the
The
In particular, the
For example, the
In the drawing, a tapped inductor converter is illustrated as an example of the
The
On the other hand, a dc short capacitor (not shown) may be connected between the output terminal of the diode D1, that is, between the cathode and the ground terminal.
Specifically, the switching element S1 can be connected between the taps of the tap inductor T and the ground terminal. The output terminal (secondary side) of the tap inductor T is connected to the anode of the diode D1 and the dc-side capacitor C1 is connected between the cathode of the diode D1 and the ground terminal .
On the other hand, the primary side and the secondary side of the tap inductor T have opposite polarities. On the other hand, the tap inductor T may be referred to as a switching transformer.
On the other hand, the switching element S1 in the
The
In the drawing, a full-bridge inverter is illustrated. Namely, the upper and lower arm switching elements Sa and Sb connected in series to each other and the lower arm switching elements S'a and S'b are paired, and two pairs of upper and lower arm switching elements are connected in parallel to each other (Sa & Sb & S'b). Diodes may be connected in anti-parallel to each switching element Sa, S'a, Sb, S'b.
The switching elements Sa, S'a, Sb, and S'b in the
On the other hand, the capacitor C may be disposed between the
The capacitor C may store the level-converted DC power of the
The input current sensing unit A may sense the input current ic1 supplied from the
The input voltage sensing unit B may sense the input voltage Vc1 supplied from the
The sensed input current ic1 and the input voltage vc1 may be input to the
The converter output current detector C senses the output current ic2 output from the
On the other hand, the inverter output current detection unit E detects the current ic3 output from the
On the other hand, the
On the other hand, the
On the other hand, the
The
To this end, the
4B is a diagram showing an example of the circuit arrangement inside the power conversion module of FIG. 4A.
The
That is, the circuit elements may be disposed asymmetrically within the
The figure illustrates that the
This arrangement can reduce the length of the cable or the conductive line between the
Meanwhile, the
In the figure, the first cable connecting portion CNA and the second cable connecting portion CNB are disposed at both ends of the
The output of the
4C is a diagram showing another example of the circuit arrangement inside the power conversion module of FIG. 4A.
4C shows a state in which the
FIG. 4D is a diagram showing another example of the circuit arrangement inside the power conversion module of FIG. 4A.
4D is a circuit diagram of a power conversion module 400dx in which a
In the figure, it is exemplified that the
The
For example, the
As another example, the
On the other hand, the
Fig. 4F is a diagram showing another example of the circuit arrangement inside the power conversion module of Fig. 4A.
4B, the
At this time, the
The
That is, the AC power supply cables PCa, PCb, and Pcn may be disposed closer to the
4G is a view showing that an external connecting cable Cab is connected to the second cable connecting portion CNB and FIG. 4H is a view showing the side surfaces CNBs of the second cable connecting portion CNB .
Referring to the drawing, an opening POS is formed in a side surface CNBs of the upper surface CNBu and the side surface CNBs of the second cable connecting portion CNB, and an external connecting cable Coab is inserted into the opening OPS. .
On the other hand, the side surfaces CNBs of the second cable connecting portion CNB can be opened upward.
When the side surfaces CNBs of the second cable connecting portion CNB are opened in the upward direction, the external connecting cable Coab can be connected to the internal connecting terminal. After the external connection cable connection is completed, the side surfaces CNBs of the second cable connecting portion CNB are closed and the screw fixing portions Spa and SPb formed on both sides of the opening OPS are closed, The screw can be fixed.
4I is a view showing the internal structure of the second cable connecting portion CNB. Fig. 4I is a view showing an external connecting cable Coab connected to the inside of the second cable connecting portion CNB. , And a second cable connecting portion (CNB).
Referring to the drawings, a first portion (CNBna) having three openings (OPSnaa, OPSnab, OPSnac) formed at a first position (POs1) in a second direction outside the second cable connecting portion (CNB) The second portion CNBnb formed with one opening CNBns and the side portion CNBs formed with the opening OPS may be disposed at the third position POs2.
The external connecting cable Cab can penetrate through the opening OPS of the side surfaces CNBs and the opening CNBns of the second potion CNBnb and is provided with three The conductive lines Pca, Pcb, and Pcn may be connected to the respective connection terminals CNnac, CNnab, and CNcac.
On the other hand, the connection terminals CNnac, CNnab, and CNcac may be located between the first position POs1 and the second position POs2, or inside the first position POs1.
With such a coupling structure, the external connection cable Coab can be stably connected to the internal AC power cables PCa, PCb, and Pcc. Particularly, it becomes possible to prevent moisture infiltration.
Next, FIGS. 4K to 4M illustrate that the
Referring to FIG. 4K, a seating groove FRah is formed in the upper rear frame FRa, and openings SPc and Spd are formed on the upper side of the upper rear frame FRa, as shown in FIG. 4K .
The
Thus, the
On the other hand, unlike FIG. 4K to FIG. 4M, the
To this end, a sliding guide may be formed on the upper rear frame FRa, and a sliding engagement portion formed on the
The coupling method or the sliding type coupling method of FIGS. 4k to 4m is the same as the
The coupling method between the second connecting portion CNB and the external cable Coab of Figs. 4G to 4I is the same as that of the
FIG. 5A is a diagram showing another example of a circuit diagram in the junction box and the power conversion module in the solar module of FIG. 3. FIG.
The
In the figure, it is exemplified that the
On the other hand, as the number of the plurality of
5B is a diagram showing an example of a circuit arrangement inside the power conversion module of FIG. 5A.
5B, the
That is, the circuit elements may be disposed asymmetrically within the
The figure illustrates that the
On the other hand, since the
In this case, since the height of the upper rear frame FRa is restricted, it is preferable that the widths of the three
In the figure, the width W2 and the height H2 of the
5C shows a state in which the
FIG. 6 is a rear view of a solar module according to another embodiment of the present invention, and FIGS. 7a to 7b are views referred to the description of the power conversion module of FIG.
Referring to the drawings, a photovoltaic module 50aa according to another embodiment of the present invention includes a
Compared with Fig. 3, there is a difference in that the
3, the
7A illustrates that the bypass diodes Da to Dc, the
Meanwhile, the
The bypass diodes Da to Dc are disposed between the plurality of connection portions OPas to OPd and the
On the other hand, the conductive lines from the
7A shows a state in which the
7B shows an example in which the
In the figure, a
That is, within the
This arrangement can reduce the length of the cable or the conductive line in the
8 is a front view of the solar module of FIG.
The
The
On the other hand, FIG. 4A and the like illustrate that three bypass diodes (Da, Db, and Dc in FIG. 4A) are provided corresponding to the four solar cell strings in FIG.
Meanwhile, the
On the other hand, the
In the figure, a plurality of sink cells are connected in series by ribbons (133 in FIG. 9) to form a
On the other hand, each solar cell string can be electrically connected by a bus ribbon. 8 shows the first
8 shows the second
On the other hand, the ribbon connected to the first string, the
It is preferable that the
9 is an exploded perspective view of the solar cell module of FIG.
Referring to FIG. 9, the
The
The
Each
In the figure, it is illustrated that the
8, six
The
The
The
Here, the
On the other hand, the
Meanwhile, the
With reference to Figs. 10 to 11, a double-sided solar cell will be described.
FIG. 10 is a view showing the solar cell of FIG. 9, FIG. 11 is a view showing a part of the solar cell of FIG. 10,
10 to 11, the
10, the
As shown in FIG. 10, a plurality of third electrodes may be provided with a second pitch P2 larger than the first pitch P1.
The description of the first passivation film, the
11, a
12 is a view showing a solar light system according to another embodiment of the present invention.
12, the solar
The plurality of
The plurality of solar modules 5d0a to 50dn are connected to the junction boxes 200a to 200n and the
13 is a rear view of a solar module according to another embodiment of the present invention.
Referring to the drawings, a
The
On the other hand, the
In this manner, the
The
On the other hand, the
14A to 15D are diagrams referencing the description of the power conversion module of FIG.
14A is a diagram showing an example of a junction box in the solar module of FIG. 13 and a circuit diagram inside the power conversion module.
Referring to the drawings, the
The
Next, the
The
The
On the other hand, the
On the other hand, the
On the other hand, the DC power source through the
The
The
In particular, the
On the other hand, the capacitor C may be disposed at the output terminal of the
On the other hand, the
On the other hand, the
The
To this end, the
14B is a diagram showing an example of the circuit arrangement in the power conversion module of Fig. 14A.
The
That is, the circuit elements may be disposed asymmetrically within the power conversion module 400da.
The figure illustrates that the
This arrangement can reduce the length of the cable or the conductive line between the
On the other hand, the
In the figure, a first cable connecting portion (CNA) and a second cable connecting portion (CNB) are disposed at both ends of the power converting module 400da, and between the first cable connecting portion CNA and the second cable connecting portion CNB , And DC power cables PCa and PCb are connected.
The output of the
14C shows a state in which the
14D shows a state in which the
In the figure, it is exemplified that the
The
For example, the
As another example, the
On the other hand, the
Fig. 15A is a diagram showing another example of a circuit diagram in the junction box and the power conversion module in the solar module of Fig. 13. Fig.
The
In the figure, it is exemplified that the
On the other hand, as the number of the plurality of
Fig. 15B is a diagram showing an example of the circuit arrangement in the power conversion module of Fig. 15A.
The
That is, the circuit elements may be disposed asymmetrically within the power conversion module 400da.
The figure illustrates that the
On the other hand, since the
In this case, since the height of the upper rear frame FRa is restricted, it is preferable that the widths of the three
The figure illustrates that the width W2 and the height H2 of the
15C shows a state in which the
FIG. 16 is a rear view of a photovoltaic module according to another embodiment of the present invention, and FIGS. 17a to 17b are views referred to the description of the power conversion module of FIG.
Referring to the drawings, a solar module 50dd according to another embodiment of the present invention includes a
Compared with Fig. 13, there is a difference in that the
Accordingly, the
17A illustrates that the bypass diodes Da to Dc, the
Meanwhile, the
Bypass diodes Da to Dc are disposed between the plurality of connection portions OPas to OPd and a
On the other hand, the conductive lines from the
17A shows a state in which the
17B shows a state in which the
In the figure, the
On the other hand, when the solar module outputs a high-output DC power, the converter unit in the power conversion module may not be provided. This will be described with reference to Figs. 18 to 19C.
18 is a rear view of a solar module according to another embodiment of the present invention.
Referring to the drawings, a
The difference from FIG. 3 is that the
Since the other contents are the same, the description of FIG. 3 is referred to.
19A to 19C are diagrams referencing the description of the power conversion module of FIG.
19A is a diagram showing an example of a junction box in the solar module of FIG. 18 and a circuit diagram inside the power conversion module.
The
Fig. 19B is a diagram showing an example of the circuit arrangement in the power conversion module of Fig. 19A. Fig.
The
That is, the circuit elements may be arranged asymmetrically within the power conversion module 400fa.
The figure illustrates that the
This arrangement can reduce the length of the cable or the conductive line between the
Meanwhile, the
The first cable connecting portion CNA and the second cable connecting portion CNB are disposed at both ends of the power conversion module 400fa and are provided between the first cable connecting portion CNA and the second cable connecting portion CNB , And the AC power cables PCa and PCb are connected.
The output of the
19C shows a state in which the
Meanwhile, in the
FIG. 20 is a rear view of a photovoltaic module according to another embodiment of the present invention, and FIGS. 21a to 21b are views referred to the description of the power conversion module of FIG.
20, a solar module 50ff according to another embodiment of the present invention includes a
Particularly, the solar module 50ff of Fig. 20 outputs AC power, but is not provided with a converter.
On the other hand, the solar cell module 50ff of FIG. 20 differs from that of FIG. 19 in that the
3, the
FIG. 21A illustrates that the bypass diodes Da to Dc, the
Meanwhile, the power conversion module 400fc may include a plurality of connection portions OPas to OPd that are in contact with the conductive lines from the
The bypass diodes Da to Dc are disposed between the plurality of connection portions OPas to OPd and the
On the other hand, the conductive lines from the
21A shows a state in which the
Next, FIG. 21B illustrates that the
The solar cell module and the solar cell system having the solar cell module according to the present invention are not limited to the configuration and method of the embodiments described above, All or some of them may be selectively combined.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the present invention.
Claims (20)
A frame fixed to an outer frame of the solar cell module;
A junction box disposed on a back surface of the solar cell module, the junction box including a bypass diode connected to a conductive line of the solar cell module;
And a power conversion module disposed on an upper rear frame of a rear frame disposed on a rear surface of the solar cell module and including an inverter unit for outputting an AC power based on a DC power source from the junction box module.
The junction box may further include a first connection unit for outputting DC power to the power conversion module,
Wherein the power conversion module further comprises a second connection unit that is detachably connected to the first connection unit and receives the DC power from the junction box.
The power conversion module includes:
A power conversion unit including the inverter unit;
A first cable connection unit formed on a first side of the power conversion unit and receiving an AC power from an adjoining first solar module; And
And a second cable connection part formed on a second side of the power conversion part for outputting AC power to an adjacent second solar module,
Wherein the power conversion module is attached to and detached from the upper rear frame.
The power conversion module includes:
A capacitor unit for storing DC power from the junction box;
And a converter unit for converting the level of the DC power source from the capacitor unit,
Wherein the capacitor unit, the converter unit, and the inverter unit are disposed at one side with respect to the junction box.
The converter unit includes:
And a plurality of interleaved converters, wherein the plurality of interleaved converters are arranged side by side in the vertical direction.
Wherein as the number of the plurality of interleaving converters in the converter section increases, at least one of a width and a height of the converter section increases.
The power conversion module includes:
And a light output section for outputting light through an opening formed in a part of the frame.
The power conversion module includes:
And a capacitor unit for storing DC power from the junction box,
Wherein the capacitor portion and the inverter portion are disposed on one side with respect to the junction box.
A frame fixed to an outer frame of the solar cell module;
A bypass diode which is disposed on an upper rear frame of a rear frame disposed on a back surface of the solar cell module and connected to a conductive line of the solar cell module; and a bypass diode that outputs an AC power based on a DC power source from the bypass diode And a power conversion module including an inverter unit.
The power conversion module includes:
A power conversion unit including the bypass diode and the inverter unit;
A first cable connection unit formed on a first side of the power conversion unit and receiving an AC power from an adjoining first solar module; And
And a second cable connection part formed on a second side of the power conversion part for outputting AC power to an adjacent second solar module,
Wherein the power conversion module is attached to and detached from the upper rear frame.
The power conversion module includes:
A capacitor unit for storing a DC power from the bypass diode;
And a converter unit for converting the level of the DC power source from the capacitor unit.
The power conversion module includes:
And a plurality of connection portions in contact with the conductive line from the solar cell module,
A bypass diode is disposed between the plurality of connection portions,
Wherein the capacitor portion, the converter portion, and the inverter portion are disposed below the bypass diode.
The power conversion module includes:
And a capacitor unit for storing a direct current power from the bypass diode,
The capacitor portion, and the inverter portion are disposed on one side of the power conversion module.
A frame fixed to an outer frame of the solar cell module;
A junction box disposed on a back surface of the solar cell module, the junction box including a bypass diode connected to a conductive line of the solar cell module;
And a converter unit disposed on an upper rear frame of a rear frame disposed on a back surface of the solar cell module and converting the level of the DC power from the junction box and outputting the converted power,
Wherein the power conversion module outputs a DC power.
The junction box may further include a first connection unit for outputting DC power to the power conversion module,
Wherein the power conversion module further comprises a second connection unit that is detachably connected to the first connection unit and receives the DC power from the junction box.
The power conversion module includes:
A power converter including the converter unit;
A first cable connection unit formed on a first side of the power conversion unit and receiving an AC power from an adjoining first solar module; And
And a second cable connection part formed on a second side of the power conversion part for outputting AC power to an adjacent second solar module,
Wherein the power conversion module is attached to and detached from the upper rear frame.
The converter unit includes:
And a plurality of interleaved converters, wherein the plurality of interleaved converters are arranged side by side in the vertical direction.
Wherein as the number of the plurality of interleaving converters in the converter section increases, at least one of a width and a height of the converter section increases.
The power conversion module includes:
And a light output section for outputting light through an opening formed in a part of the frame.
The power conversion module includes:
And a capacitor unit for storing a direct current power from the bypass diode,
Wherein the capacitor portion and the converter portion are disposed on one side with respect to the junction box.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020170000465A KR101989092B1 (en) | 2017-01-02 | 2017-01-02 | Photovoltaic module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170000465A KR101989092B1 (en) | 2017-01-02 | 2017-01-02 | Photovoltaic module |
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| KR101989092B1 KR101989092B1 (en) | 2019-06-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101063208B1 (en) * | 2011-06-09 | 2011-09-07 | 이앤에이치(주) | Building integrated photovoltaic device having micro inverter |
| KR20140010218A (en) * | 2012-07-16 | 2014-01-24 | 엘지전자 주식회사 | Power converting apparatus, and photovoltaic module |
| US20150144181A1 (en) * | 2013-11-27 | 2015-05-28 | Phil Gilchrist | Integration of microinverter with photovoltaic module |
| KR20150085413A (en) * | 2014-01-15 | 2015-07-23 | 엘지전자 주식회사 | Photovoltaic module |
| US20150288327A1 (en) * | 2014-04-02 | 2015-10-08 | Sunedison Llc | Photovoltaic module integrated mounting and electronics systems |
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2017
- 2017-01-02 KR KR1020170000465A patent/KR101989092B1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101063208B1 (en) * | 2011-06-09 | 2011-09-07 | 이앤에이치(주) | Building integrated photovoltaic device having micro inverter |
| KR20140010218A (en) * | 2012-07-16 | 2014-01-24 | 엘지전자 주식회사 | Power converting apparatus, and photovoltaic module |
| US20150144181A1 (en) * | 2013-11-27 | 2015-05-28 | Phil Gilchrist | Integration of microinverter with photovoltaic module |
| KR20150085413A (en) * | 2014-01-15 | 2015-07-23 | 엘지전자 주식회사 | Photovoltaic module |
| US20150288327A1 (en) * | 2014-04-02 | 2015-10-08 | Sunedison Llc | Photovoltaic module integrated mounting and electronics systems |
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| KR101989092B1 (en) | 2019-06-13 |
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