CN109067354A - A kind of low-loss flat uniaxial photovoltaic module connection system of novel, practical drop - Google Patents
A kind of low-loss flat uniaxial photovoltaic module connection system of novel, practical drop Download PDFInfo
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- CN109067354A CN109067354A CN201810897979.5A CN201810897979A CN109067354A CN 109067354 A CN109067354 A CN 109067354A CN 201810897979 A CN201810897979 A CN 201810897979A CN 109067354 A CN109067354 A CN 109067354A
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- photovoltaic module
- cable
- photovoltaic
- positive
- connecting cable
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- 239000002994 raw material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of low-loss flat uniaxial photovoltaic modulies of novel, practical drop to connect system, including several photovoltaic modulies, cable, several photovoltaic modulies are concatenated by the cable；The cable includes several positive and negative electrode connecting cables, and positive connecting cable, the cathode connecting cable of the first photovoltaic module of starting enter the link circuit of photovoltaic module.The present invention has many advantages, such as that the mode of connection is simple, reduces consumption of raw materials, improves generating efficiency.
Description
Technical field
The present invention relates to technical field of photovoltaic power generation, more particularly to a kind of novel, practical low-loss flat single shaft of drop
Photovoltaic module connects system.
Background technique
Currently, the anode that the design method that photovoltaic module 1 connects is two adjacent photovoltaic modulies is connected to another block of light
The cathode for lying prostrate component, forms concatenated mode (referring to Fig.1).Component arranged in sequence meter method is that finally have two block assemblies, a certain
The anode of block perhaps cathode do not connect respectively need by additional cable connection to next equipment (such as inverter or
Header box).String type photovoltaic power generation is to be connected to inverter after component is connected to arrive header box again, grid-connected by boosting；Centralization
Photovoltaic power generation is to converge to inverter 3 to header box after component is connected, grid-connected using boosting.The connection of both photovoltaic resistance
Mode is although easy for construction, and simply, still, photovoltaic module during the connection process, cannot due to taking adjacent sequential connection method
The connecting cable of original factory is enough made full use of, and needs additional laying return cable 2, causes photovoltaic power generation DC loop length
Increase, loop resistance increases, and kwh loss is big, reduces generating efficiency.
The disclosure of background above technology contents is only used for auxiliary and understands design and technical solution of the invention, not necessarily
The prior art for belonging to present patent application, no tangible proof show above content present patent application the applying date
In disclosed situation, above-mentioned background technique should not be taken to the novelty and creativeness of evaluation the application.
Summary of the invention
Present invention aims at the novel wire connecting way for proposing a kind of photovoltaic module, using positive and negative electrode connecting cable across
The connection type connect, reduces the length of DC loop, to reach reduction electric energy loss, improves the excellent effect of photovoltaic efficiency
Fruit.
Preferably, the present invention can also have following technical characteristic:
A kind of low-loss flat uniaxial photovoltaic module connection system of novel, practical drop, including several photovoltaic modulies, cable
Line, several photovoltaic modulies are concatenated by the cable；The cable includes several positive and negative electrode connecting cables, is risen
The begin positive connecting cable of the first photovoltaic module, cathode connecting cable enters the link circuit of photovoltaic module.
Further, the positive and negative electrode connecting cable of the first photovoltaic module is separately connected the cathode of the second photovoltaic module,
The anode of three photovoltaic modulies.
Further, the positive and negative electrode connecting cable of the first photovoltaic module is separately connected the cathode of third photovoltaic module,
The anode of two photovoltaic modulies.
Further, the different connecting cable of the electrode of two photovoltaic modulies reciprocal accesses inverter.
Further, the length of each section of positive and negative electrode connecting cable is equal to its both ends institute connection electrode distance.
The beneficial effect of the present invention compared with the prior art includes:
1) present invention connection is simple, without additional laying return cable, saves raw material and uses；
2) to cancel additional laying return cable, reduce the length of DC loop, loop resistance decline, kwh loss reduces,
To improve photovoltaic module generating efficiency.
Detailed description of the invention
Fig. 1 is the connection schematic diagram between photovoltaic module in the prior art；
Fig. 2 is the connection schematic diagram between photovoltaic module of the invention.
Specific embodiment
With reference to embodiment and compares attached drawing invention is further described in detail.It is emphasized that
Following the description is only exemplary, the range and its application being not intended to be limiting of the invention.
Referring to the following drawings, non-limiting and nonexcludability embodiment will be described, wherein identical appended drawing reference indicates
Identical component, unless stated otherwise.
Embodiment 1:
System is connected referring to the low-loss flat uniaxial photovoltaic module of novel, the practical drop of one kind shown in Fig. 2, including several
Photovoltaic module (11,12,13,14,15), cable, several photovoltaic modulies are concatenated by the cable；The cable
Including several positive and negative electrode connecting cables.By all photovoltaic module marshallings, the anode connection of the first photovoltaic module 11 is originated
Cable 16, cathode connecting cable 17 enter the link circuit of photovoltaic module.
The positive connecting cable 16 of first photovoltaic module 11 is connect with the cathode of the second photovoltaic module 12, the first photovoltaic group
The cathode connecting cable 17 of part 11 is connect with the anode of third photovoltaic module 13；The positive connecting cable of second photovoltaic module 12
Line is connect with the cathode of the 4th photovoltaic module 14；The cathode connecting cable of third photovoltaic module 13 and the 5th photovoltaic module 15
Anode connection, by two photovoltaic modulies (14,15) reciprocal and connecting cable that electrode is different access inverter 3.Subsequent
The photovoltaic module of access carries out positive and negative anodes connection according to the connection relationship of above-mentioned photovoltaic module, forms a kind of novel " bridging " and connects
Line mode.
To further decrease the resistance in circuit, the length of each section of positive and negative electrode connecting cable of strict control be equal to its two
Institute's connection electrode distance is held, the both ends connection of positive and negative electrode connecting cable meets connection and want can work normally on the electrode
It asks.
Embodiment 2:
The present embodiment be make diagram, the present embodiment the difference from embodiment 1 is that, the first photovoltaic module 11 anode company
It connects cable 16 to connect with the cathode of third photovoltaic module 13, the cathode connecting cable 17 and the second light of the first photovoltaic module 11
The anode connection of component 12 is lied prostrate, subsequent photovoltaic module is by " bridging " mode of connection connection in embodiment 1.
It would be recognized by those skilled in the art that above description make numerous accommodations be it is possible, so embodiment and attached
Figure is intended merely to describe one or more particular implementations.
It is counted as example embodiment of the invention although having been described and describing, it will be apparent to those skilled in the art that
It can be variously modified and is replaced, without departing from spirit of the invention.Furthermore it is possible to make many modifications with will be special
Condition of pledging love is fitted to religious doctrine of the invention, without departing from invention described herein central concept.So the present invention is unrestricted
In specific embodiment disclosed herein, but the present invention may further include belonging to all embodiments of the scope of the invention and its being equal
Object.
Claims (5)
1. a kind of low-loss flat uniaxial photovoltaic module of novel, practical drop connects system, including several photovoltaic modulies, cable
Line, several photovoltaic modulies are concatenated by the cable；The cable includes several positive and negative electrode connecting cables,
Be characterized in that: positive connecting cable, the cathode connecting cable of the first photovoltaic module of starting enter the connection of photovoltaic module
Circuit.
2. photovoltaic module as described in claim 1 flat uniaxial connects system, it is characterised in that: the first photovoltaic module it is positive and negative
Pole connecting cable is separately connected the anode of the cathode of the second photovoltaic module, third photovoltaic module.
3. photovoltaic module as described in claim 1 flat uniaxial connects system, it is characterised in that: the first photovoltaic module it is positive and negative
Pole connecting cable is separately connected the anode of the cathode of third photovoltaic module, the second photovoltaic module.
4. flat uniaxial photovoltaic module connects system as claimed in claim 2 or claim 3, it is characterised in that: two photovoltaic modulies reciprocal
The different connecting cable of electrode access inverter.
5. flat uniaxial photovoltaic module as described in claim 1 connects system, it is characterised in that: each section of positive and negative electrode connecting cable
The length of line is equal to its both ends institute connection electrode distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897979.5A CN109067354A (en) | 2018-08-08 | 2018-08-08 | A kind of low-loss flat uniaxial photovoltaic module connection system of novel, practical drop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897979.5A CN109067354A (en) | 2018-08-08 | 2018-08-08 | A kind of low-loss flat uniaxial photovoltaic module connection system of novel, practical drop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109067354A true CN109067354A (en) | 2018-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810897979.5A Withdrawn CN109067354A (en) | 2018-08-08 | 2018-08-08 | A kind of low-loss flat uniaxial photovoltaic module connection system of novel, practical drop |
Country Status (1)
| Country | Link |
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| CN (1) | CN109067354A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021038837A1 (en) * | 2019-08-30 | 2021-03-04 | 株式会社 東芝 | Solar cell string and solar power generation system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110234004A1 (en) * | 2010-03-23 | 2011-09-29 | Bernhard Beck | Photovoltaic system with potential reduction |
| CN204156801U (en) * | 2014-09-10 | 2015-02-11 | 长江勘测规划设计研究有限责任公司 | The photovoltaic module string autogamy cable connection structure that both positive and negative polarity same side output terminal is direct-connected |
| CN205792450U (en) * | 2016-07-07 | 2016-12-07 | 中国华电科工集团有限公司 | A kind of photovoltaic module string |
| CN107124139A (en) * | 2017-06-19 | 2017-09-01 | 苏州快可光伏电子股份有限公司 | Photovoltaic module bifurcation connector and apply its component train |
-
2018
- 2018-08-08 CN CN201810897979.5A patent/CN109067354A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110234004A1 (en) * | 2010-03-23 | 2011-09-29 | Bernhard Beck | Photovoltaic system with potential reduction |
| CN204156801U (en) * | 2014-09-10 | 2015-02-11 | 长江勘测规划设计研究有限责任公司 | The photovoltaic module string autogamy cable connection structure that both positive and negative polarity same side output terminal is direct-connected |
| CN205792450U (en) * | 2016-07-07 | 2016-12-07 | 中国华电科工集团有限公司 | A kind of photovoltaic module string |
| CN107124139A (en) * | 2017-06-19 | 2017-09-01 | 苏州快可光伏电子股份有限公司 | Photovoltaic module bifurcation connector and apply its component train |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021038837A1 (en) * | 2019-08-30 | 2021-03-04 | 株式会社 東芝 | Solar cell string and solar power generation system |
| JPWO2021038837A1 (en) * | 2019-08-30 | 2021-03-04 | ||
| JP7439107B2 (en) | 2019-08-30 | 2024-02-27 | 株式会社東芝 | Solar strings and solar power systems |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20240329 Address after: Room 407, Building 7, No. 6 Libin Road, Songshanhu Park, Dongguan City, Guangdong Province, 523808 Applicant after: CR POWER TECHNOLOGY INSTITUTE Co.,Ltd. Country or region after: China Address before: 542709 Lianshan Town, Fuchuan County, Hezhou City, Guangxi Zhuang Autonomous Region (China Resources Circular Economy Industrial Park, Hezhou City) Applicant before: CHINA RESOURCES POWER (HEZHOU) CO.,LTD. Country or region before: China |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181221 |
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| WW01 | Invention patent application withdrawn after publication |