CN209375574U - A kind of system of simplified photovoltaic group string remittance line - Google Patents
A kind of system of simplified photovoltaic group string remittance line Download PDFInfo
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- CN209375574U CN209375574U CN201920410194.0U CN201920410194U CN209375574U CN 209375574 U CN209375574 U CN 209375574U CN 201920410194 U CN201920410194 U CN 201920410194U CN 209375574 U CN209375574 U CN 209375574U
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Abstract
The utility model discloses a kind of systems of simplified photovoltaic group string remittance line, comprising: multichannel photovoltaic group string, multistage confluence cable and multiple remittance wiring connectors；Wherein: the positive and negative outlet access first segment confluence cable of first via photovoltaic group string；The positive and negative outlet for the confluence cable that the positive and negative outlet of subsequent every road photovoltaic group string and the preceding group string of photovoltaic all the way import converges into positive and negative outlet all the way by remittance wiring connector, then the positive and negative outlet after confluence is accessed next section of confluence cable；Final stage confluence cable access photovoltaic group string inverter or header box.By the utility model, effectively reduce the quantity of photovoltaic group string direct current cable, reduce photovoltaic group string direct current cable expense, facilitate photovoltaic group string direct current cable fix, arrangement and the operation in later period and maintenance.
Description
Technical field
The utility model relates to photovoltaic technology field more particularly to a kind of systems of simplified photovoltaic group string remittance line.
Background technique
Photovoltaic group string direct current cable on photovoltaic bracket is usually designed according to photovoltaic group string, and every road photovoltaic group string is with a fixed number
Amount is drawing positive and negative anodes group from different location after the series connection of component positive and negative anodes and is getting lines crossed cable, and multichannel group, which is being got lines crossed, goes to confluence along bracket
The position wiring of the equipment such as case or group string inverter, specifically, conventional photovoltaic cable cabling is as shown in Figure 1 and Figure 2, photovoltaic group
Each photovoltaic module 110 inside string 100 is connected by the way of adjacent, photovoltaic where the anode of first piece of photovoltaic module is used as
The positive outlet 131 of group string, the negative outlet 132 of cathode photovoltaic group string as where of last block photovoltaic module, then by each light
The positive and negative outlet of volt group string is connected to inverter together.Increase cable however as number gradually to add up by amount, in disparity items usually
It has 10~20 photovoltaic groups cable of getting lines crossed and is connected to group string inverter or 20~30 photovoltaic groups cable of getting lines crossed is being connected to photovoltaic array remittance
Case is flowed, so a large amount of photovoltaic group cable of getting lines crossed generally first is being simply secured on bracket with band, and the laggard leading groove of certain amount is right
25 years operation periods are up in photovoltaic plant, and this way will be so that later period O&M be difficult, and number of cables more later periods
Breaking down may be also more.
In existing photovoltaic project Normal practice be multichannel photovoltaic group concatenated into group string inverter with photovoltaic cable or
Header box.It causes number of cables mostly many and diverse in this way, is also not easy to O&M and the management in later period.Therefore, how by photovoltaic group string
Direct current cable quantity effectively reduces, and reduces photovoltaic group string direct current cable cable expense, to greatly mitigate the photovoltaic of photovoltaic project
Group string direct current cable workload, facilitate photovoltaic group string direct current cable fix and arrange and later period maintenance work become one urgently
Problem to be solved.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of system of simplified photovoltaic group string remittance line, specifically
Technical solution is as follows:
The utility model discloses a kind of systems of simplified photovoltaic group string remittance line, comprising: multichannel photovoltaic group string, multistage confluence
Cable and multiple remittance wiring connectors；Wherein: the positive and negative outlet access first segment confluence cable of first via photovoltaic group string；It is subsequent every
The positive and negative outlet for the confluence cable that the positive and negative outlet of road photovoltaic group string and the preceding group string of photovoltaic all the way import is converged by remittance wiring connector
Next section of confluence cable is accessed at positive and negative outlet all the way, then by the positive and negative outlet after confluence；Final stage confluence cable accesses light
Volt group string inverter or header box.
Preferably, the positive leading-out terminal of every road photovoltaic group string is further connected with one section of protection cable before access converges wiring connector,
To protect corresponding photovoltaic group string not by the damage of overcurrent condition.
Preferably, the protection cable be the direct current cable with DC insurance silk or fuse, the two of the direct current cable
Side pressure is connected to connection terminal.
Preferably, the confluence cable is two core wires or parallel lines.
Preferably, the sectional area value of every section of confluence cable is at least 1.25 times of line energizing flow magnitude.Specifically, cable is cut
Area S≤1.25*I (m2)；Wherein S----- copper conductor sectional area (m2) I----- load current (A).
Preferably, the wiring connector that converges includes Y-connector, t connector, any one among three-way connection.
Preferably, the photovoltaic module positive and negative anodes in the photovoltaic group string are connected in a manner of adjoining or jumper connection.
Preferably, photovoltaic module positive and negative anodes are connected in a manner of jumper connection and include: in the photovoltaic group string
The photovoltaic group string includes multiple photovoltaic modulies；Wherein, anode the n-th+2 photovoltaics of connection of n-th of photovoltaic module
The cathode of component, wherein n is even number；The cathode of m-th of photovoltaic module connects the anode of the m+2 photovoltaic module, and wherein m is surprise
Number；The cathode of the last one odd bits component is connect with the anode of the last one even bit component, and first photovoltaic module is just
Positive and negative outlet extremely with the negative pole end of second photovoltaic module as the photovoltaic group string.
Preferably, the cable of jumper connection is docked by MC4 connector between each photovoltaic module in the photovoltaic group string.
Preferably, the connection terminal of the both ends crimping of the direct current cable is MC4 connector.
The utility model at least has with the next item down technical effect:
(1) the utility model by the way of converging step by step, by the positive and negative outlet of every road photovoltaic group string and preceding photovoltaic all the way
The positive and negative outlet for the confluence cable that group string imports converges into positive and negative outlet all the way by remittance wiring connector, then accesses another section of bus bar
Cable, so that final, only confluence cable accesses photovoltaic group string inverter or header box all the way.Enormously simplify photovoltaic bracket glazing
The quantity of volt group string remittance line cable, optimizes the layout of photovoltaic group string cabling, reduces photovoltaic group string direct current cable expense, also can
The workload for greatly mitigating the photovoltaic group string direct current cable remittance line of photovoltaic project, facilitates photovoltaic group string direct current cable fixed and whole
Reason and later period maintenance work.
(2) the utility model is further connected with one section of protection cable in the positive leading-out terminal of every road photovoltaic group string, to protect correspondence
Photovoltaic group string not by the damage of overcurrent condition.Specifically, protection cable is the band DC insurance that both ends are crimped with connection terminal
The direct current cable of silk or fuse.There is insurance to protect per photovoltaic group string all the way to ensure that.
(3) each cable docking of the utility model photovoltaic group string remittance line can be used connection terminal and be docked, such as often
The positive outlet of road photovoltaic group string is docked with protection cable, and the docking of MC4 connector can be used, and protection cable draws with remittance wiring connector
The docking of line and docking etc. for wiring connector outlet and the cable that converges of converging can be used docking terminal and docked, and so be
Achievable rapid abutting joint mitigates remittance line workload, and convenient for subsequent maintenance and arranges.
(4) the utility model uses the connection type of jumper connection to the connection of each photovoltaic component inside photovoltaic group string, effectively
Avoid the positive and negative appearance of photovoltaic group string from being located at situation on farther away two pieces of photovoltaic modulies, be particularly suitable for photovoltaic module compared with
More situations reduces cost to further save cable, reduces loss.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the remittance line schematic diagram of photovoltaic group string in the prior art；
Fig. 2 is another remittance line schematic diagram of photovoltaic group string in the prior art；
Fig. 3 is a kind of schematic diagram of the system embodiment one of simplified photovoltaic group string remittance line of the utility model；
Fig. 4 is a kind of schematic diagram of another embodiment of system of simplified photovoltaic group string remittance line of the utility model；
Fig. 5 is a kind of schematic diagram of another embodiment of system of simplified photovoltaic group string remittance line of the utility model；
Fig. 6 is the detail view in a kind of another embodiment of system of simplified photovoltaic group string remittance line of the utility model；
Fig. 7 is the detail view in a kind of another embodiment of system of simplified photovoltaic group string remittance line of the utility model；
Fig. 8 is each photovoltaic module jumper connection connection schematic diagram in photovoltaic group string in the utility model；
Fig. 9 calculates schematic diagram for cable copper consumption used in the remittance line of photovoltaic group string in the prior art；
Figure 10 is to calculate schematic diagram using cable copper consumption used in the utility model photovoltaic group string remittance line mode.
Appended drawing reference:
100-- photovoltaic group string；110-- photovoltaic module；111-- photovoltaic module anode；112-- photovoltaic module cathode；120--
Abutment line；The positive outlet of 131-- photovoltaic group string；The negative outlet of 132-- photovoltaic group string；The positive and negative outlet of 200-- multichannel photovoltaic group string；
101-- first via photovoltaic group string；The second road 102-- photovoltaic group string；103-- third road photovoltaic group string；140-- jumper；300--
Remittance wiring connector；400-- confluence cable；401-- first segment confluence cable；402-- second segment confluence cable；403-- third section
Converge cable；500-- protects cable；600--MC4 connector；610--MC4 connector male head；620--MC4 connector female end.
Specific embodiment
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be described in further detail, it is clear that described embodiment is only the utility model some embodiments, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment one discloses a kind of system of simplified photovoltaic group string remittance line, comprising: multichannel photovoltaic group string,
Multistage confluence cable and multiple remittance wiring connectors；Wherein: the positive and negative outlet of first via photovoltaic group string accesses first segment bus bar
Cable；The positive and negative outlet for the confluence cable that the positive and negative outlet of subsequent every road photovoltaic group string and the preceding group string of photovoltaic all the way import passes through remittance line
Connector converges into positive and negative outlet all the way, then the positive and negative outlet after confluence is accessed next section of confluence cable；Final stage bus bar
Cable accesses photovoltaic group string inverter or header box.
Specifically, as shown in figure 3, the positive and negative outlet of the 1st road photovoltaic group string 101 is accessed first segment confluence cable by this programme
401, first segment confluence cable 401 is walked to the positive and negative outgoing line position of the 2nd road photovoltaic group string 102, by converging wiring connector 300 for the
After the positive and negative outlet confluence of the positive and negative outlet of two road photovoltaic group strings 102 and first segment confluence cable 401, it is positive and negative out to merge into 1 tunnel
Line, then will merge the positive and negative outlet access second segment confluence cable 402 in the road Hou Zhe, and second segment confluence cable is walked to the 3rd road light
The positive and negative outgoing line position of volt group string 103, then pass through remittance wiring connector 300 for the positive and negative outlet and second of the 3rd road photovoltaic group string 103
After Duan Huiliu cable 402 converges, the positive and negative outlet in 1 tunnel is merged into, then positive and negative outlet accesses third all the way by this after merging again
Duan Huiliu cable 403, so converges step by step, finally merges into the positive and negative outlet in 1 tunnel, accesses final stage confluence cable, then only
Need to converge final stage cable access photovoltaic group string inverter or header box, be not necessarily to many and diverse access of too many cable.
In above-described embodiment, the remittance of the positive and negative outlet of every road photovoltaic group string and the positive and negative outlet of the preceding group string of photovoltaic all the way access
The positive and negative outlet of streamline cable converges into positive and negative outlet all the way by remittance wiring connector, refers to just going out the photovoltaic group string of current location
The positive outlet for the confluence cable that line (i.e. positive terminal outlet) and previous photovoltaic group string import converges into one by a remittance wiring connector
The positive outlet in road；The bus bar that the negative outlet (i.e. negative pole end outlet) of the photovoltaic group string of current location and previous photovoltaic group string are imported
The negative outlet of cable converges into negative outlet all the way by a remittance wiring connector.Finally by by converge wiring connector remittance abroad positive outlet and
Negative outlet accesses next section of confluence cable again.
It is united, photovoltaic group string direct current cable quantity can be effectively reduced using the remittance linear system of the present embodiment, reduce photovoltaic group string
Direct current cable cable expense can greatly mitigate the photovoltaic group string direct current cable cabling workload of photovoltaic project, facilitate photovoltaic group string
Direct current cable is fixed and arranged and later period maintenance work.This programme is particularly suitable for photovoltaic module and places situation vertically, also the same suitable
It is the case where for photovoltaic module traverse, related with component disposing way for the saving degree of cable.
Another embodiment of Tthe utility model system, as shown in Figure 4, Figure 5, on the basis of the above embodiment 1, every road
The positive outlet 131 of photovoltaic group string is further connected with one section of protection cable 500 before access converges wiring connector, to protect corresponding light
Volt group string is not by the damage of overcurrent condition.
In the remittance linear system system of the utility model, the photovoltaic component inside photovoltaic group string can be using traverse or the pendulum placed vertically
To one's heart's content condition, this programme are specially adapted to the case where placing vertically.It places vertically and can be placed vertically with a block part, in the photovoltaic group string in Fig. 4
The disposing way of each photovoltaic component in portion, in addition, place vertically can also two block parts place vertically, such as each light inside the photovoltaic group string in Fig. 5
The disposing way of component is lied prostrate, regardless of mode, the positive and negative outlet of photovoltaic group string will all import confluence cable step by step.
Per the positive leading-out terminal of photovoltaic group string all the way (i.e. positive leading-out terminal) is connected into protection cable, is guaranteed per group string all the way
There is insurance to protect.
Preferably, the protection cable be the direct current cable with DC insurance silk or fuse, the two of the direct current cable
Side pressure is connected to connection terminal.
It is connected to the direct current cable with DC insurance silk or fuse per the positive leading-out terminal of photovoltaic group string all the way, thus
It is protected to per photovoltaic group string branch all the way.And the direct current cable both ends are crimped with connection terminal, to photovoltaic group string
Positive outlet docking, it is more easy that cable connects, and is also convenient for the maintenance in later period.
As shown in Figure 6, Figure 7, the docking of each cable can crimp connection terminal on needing the cable docked in this system
It is docked.Preferably, the connection terminal of each direct current cable both ends crimping is generally MC4 connector 600.In addition, MC4 connector
600 can also be used between photovoltaic module, cable docking is used between photovoltaic group string, usually by a pair of of male connector 610 and 620 groups of female
At.MC4 connector is that wider product is used inside photovoltaic art.
In any of the above-described embodiment, the confluence cable is two core wires or parallel lines.The parallel lines or 2 core photovoltaic cables
It is to be crimped together 2 cables to form 1 parallel lines, or 2 cables are wrapped together with insulating protection crust, the two of line
End can carry out clamped nipple respectively, and terminal is usually MC4 connector, and the sectional area of cable has 4 flat, 6 flat, 10 flat, 16 equalitys
Specification.
Preferably, the sectional area value of every section of confluence cable is at least 1.25 times of line energizing flow magnitude.
Specifically, cable cross-sections accumulate S≤1.25*I (m2)；Wherein S----- copper conductor sectional area (m2) I----- load electricity
It flows (A).
Preferably, the remittance wiring connector is by cable, intermediate confluence and two end connector groups in any of the above-described embodiment
At.For example Y-connector, t connector, three-way connection etc., the sectional area of cable have 4 flat, 6 flat, 10 equality specifications.Specifically
, Y-connector refers to that the main body of the remittance wiring connector is Y type, as shown in the remittance wiring connector 300 in Fig. 4, Fig. 5.T-type
Connector refers to that the main body of the remittance wiring connector is T-type.Three-way connection is common cable three-way connection.These remittance lines connect
Connecing device all is that two lines road is converged into a route, to simplify route, also saves the dosage of cable.
In any of the above-described embodiment, each photovoltaic module positive and negative anodes in photovoltaic group string are connected in a manner of adjoining or jumper connection.
In adjoining as shown in Figure 1, the cathode of previous photovoltaic module is connect with the anode of latter photovoltaic module, finally by first piece of photovoltaic group
Positive and negative anodes of the negative pole end of the positive terminal of part and last block photovoltaic module as the photovoltaic group string.It is of course also possible to by previous
The anode of photovoltaic module is connect with the cathode of latter photovoltaic module, finally by the negative pole end of first piece of photovoltaic module and last block
Positive and negative anodes of the positive terminal of photovoltaic module as the photovoltaic group string.
Another embodiment of Tthe utility model system, based on any of the above embodiments, light in the photovoltaic group string
Volt component positive and negative anodes are connected in a manner of jumper connection, and the schematic diagram of jumper connection is as shown in figure 8, specifically include:
The photovoltaic group string 100 includes multiple photovoltaic modulies 110；Wherein, the anode connection n-th+2 of n-th of photovoltaic module
The cathode of a photovoltaic module, wherein n is even number；The cathode of m-th of photovoltaic module connects the anode of the m+2 photovoltaic module,
Middle m is odd number；The cathode of the last one odd bits component is connect with the anode of the last one even bit component, first photovoltaic group
Positive and negative outlet of the negative pole end of the positive terminal of part and second photovoltaic module as the photovoltaic group string.
Certainly, each component is relatively specific for component count using the connection type of jumper connection in the photovoltaic group string of the present embodiment
It is more, and photovoltaic module single the case where placing vertically.If each photovoltaic module quantity is more in photovoltaic group string, and photovoltaic module is double perpendicular
The case where putting can then be connected by the way of adjacent, but need to by first piece of photovoltaic module and with first piece of photovoltaic module phase
Last adjacent block assembly respectively draws one end, the positive and negative anodes as place photovoltaic group string.Specifically, reference can be made to shown in attached drawing 7
Component connection inside photovoltaic group string out.
On large scale business photovoltaic bracket, a certain number of photovoltaic module positive and negative anodes are with adjacent or bridging, jumper connection side
Formula connects to form photovoltaic group string, and Normal practice is to be concatenated multichannel photovoltaic group into group string inverter or a remittance with photovoltaic cable
Flow case.Another embodiment of the utility model will connect band insurance cable per the positive terminal of photovoltaic group string all the way, guarantee each
Road group string has insurance to protect, and then walks the positive and negative outlet access parallel lines in the 1st tunnel or 2 core wires, parallel lines or 2 core wires to the 2nd
The positive and negative outlet in 1 tunnel is merged into after remittance wiring connector confluence in the road positive and negative outgoing line position of group string, then proceedes to access parallel lines
Or 2 core wires, parallel lines or 2 core wires are walked to the 3rd road outgoing line position Zu Chuan, by converging after wiring connector confluence, are merging into 1 tunnel just
Then negative outlet is further continued for access parallel lines or 2 core wires, so converges step by step, merge into the positive and negative outlet in 1 tunnel.Specifically merge
Group string number can be done reasonable distribution by actual demand, converge wiring connector and parallel lines sectional area size carried according to route it is straight
1.25 times of galvanic electricity stream are selected.
The dosage of photovoltaic group string direct current cable, can be by copper consumption come intuitively comparing.
The photovoltaic group string direct current cable copper consumption of conventional scheme, as shown in figure 9, the total road n photovoltaic group string on photovoltaic bracket, cuts
Area is S1, length of cable L1, L2 ..., the Ln: the 1 road copper consumption be S1*L1, the 2nd road copper consumption is S1*L2 ..., the n-th tunnel
Copper consumption is S1*Ln, and copper consumption is S1*L1+S1*L2+ ... S1*Ln to route in total.Length of cable L1=(n-1) * a+b, L2=
(n-2) * a+b ..., Ln=(n-n) * a+b, wherein a represents the cable on a group string bracket, and b represents the cable in non-stent,
Arrangement obtain photovoltaic group string direct current cable in total copper consumption be S1* ((n-1) * a+b)+S1* ((n-2) * a+b)+...+S1* ((n-
N) * a+b)=a* (1*S1+2*S1+ ...+(n-1) * S1)+b*n*S1.
The photovoltaic group string direct current cable copper consumption of this programme, as shown in Figure 10, converge line on the photovoltaic group string total road n, sectional area S1,
S2 ..., Sn, length of cable L1, L2 ..., the Ln: the 1 road copper consumption be S1*L1, the 2nd road copper consumption be S2*L2 ..., the n-th tunnel use
Amount of copper is Sn*Ln, and copper consumption is S1*L1+S2*L2+ ...+Sn*Ln to route in total.Length of cable L1=a, L2=a ..., L (n-
1)=a, Ln=b, wherein a represents the cable on a group string bracket, and b represents the cable in non-stent, and arrangement obtains photovoltaic group
Copper consumption is S1*a+S2*a+ ...+S (n-1) * a+Sn*b=a* (S1+S2+ ...+S (n-1))+b*Sn to string direct current cable in total.
Photovoltaic group string direct current cable sectional area specification is generally 4 flat, 6 flat, 10 flat, 16 equalitys, and the sectional area of parallel lines is big
Small (m2) selected according to 1.25 times of the DC current (A) of route carrying.It is calculated with 1.25 times, conventional scheme photovoltaic group string is straight
Streamline cable sectional area S1=4, cable cross-sections product used of converging successively sequentially should be S1=4, S2=4, S3=6, S4=6, S5
=10, S6=16 ...: when n=6, conventional scheme group is being got lines crossed cable copper consumption 60a+24b, and this programme group is being got lines crossed cable copper consumption 30a+
16b；When n=5, conventional scheme group is being got lines crossed cable copper consumption 40a+20b, and this programme group is being got lines crossed cable copper consumption 20a+10b；When n=4,
Conventional scheme group is being got lines crossed cable copper consumption 24a+16b, and this programme group is being got lines crossed cable copper consumption 14a+6b.
Sectional area Sn after remittance line is respectively less than n*S1, so the copper consumption of this programme will be less than conventional scheme.
From the above photovoltaic group string direct current cable copper consumption data, intuitively reflect that this programme can obviously save photovoltaic
The dosage of group string direct current cable.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of system of simplified photovoltaic group string remittance line characterized by comprising multichannel photovoltaic group string, multistage confluence cable, and
Multiple remittance wiring connectors；Wherein:
The positive and negative outlet access first segment confluence cable of first via photovoltaic group string；
The positive and negative outlet for the confluence cable that the positive and negative outlet of subsequent every road photovoltaic group string and the preceding group string of photovoltaic all the way import passes through remittance
Wiring connector converges into positive and negative outlet all the way, then the positive and negative outlet after confluence is accessed next section of confluence cable；
Final stage confluence cable access photovoltaic group string inverter or header box.
2. a kind of system of simplified photovoltaic group string remittance line according to claim 1, which is characterized in that every road photovoltaic group string
Positive leading-out terminal is further connected with one section of protection cable before access converges wiring connector.
3. a kind of simplified photovoltaic group string according to claim 2 converges the system of line, which is characterized in that the protection cable is
The both ends of direct current cable with DC insurance silk or fuse, the direct current cable are crimped with connection terminal.
4. a kind of simplified photovoltaic group string according to claim 1 converges the system of line, which is characterized in that the confluence cable is
Two core wires or parallel lines.
5. a kind of system of simplified photovoltaic group string remittance line according to claim 4, which is characterized in that the every section of cable that converges
Sectional area value is at least 1.25 times of line energizing flow magnitude.
6. a kind of system of simplified photovoltaic group string remittance line according to claim 1, which is characterized in that the remittance wiring connector
Including any one among Y-connector, t connector, three-way connection.
7. a kind of system of simplified photovoltaic group string remittance line according to claim 1-6, which is characterized in that the light
Photovoltaic module positive and negative anodes in volt group string are connected in a manner of adjoining or jumper connection.
8. a kind of system of simplified photovoltaic group string remittance line according to claim 7, which is characterized in that in the photovoltaic group string
Photovoltaic module positive and negative anodes are connected in a manner of jumper connection, are specifically included:
The photovoltaic group string includes multiple photovoltaic modulies；Wherein, anode the n-th+2 photovoltaic modulies of connection of n-th of photovoltaic module
Cathode, wherein n be even number；The cathode of m-th of photovoltaic module connects the anode of the m+2 photovoltaic module, and wherein m is odd number；
The cathode of the last one odd bits component is connect with the anode of the last one even bit component, the positive terminal of first photovoltaic module
Positive and negative outlet with the negative pole end of second photovoltaic module as the photovoltaic group string.
9. a kind of system of simplified photovoltaic group string remittance line according to claim 8, which is characterized in that in the photovoltaic group string
The cable of jumper connection is docked by MC4 connector between each photovoltaic module.
10. a kind of system of simplified photovoltaic group string remittance line according to claim 3, which is characterized in that the direct current cable
Both ends crimping connection terminal be MC4 connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920410194.0U CN209375574U (en) | 2019-03-29 | 2019-03-29 | A kind of system of simplified photovoltaic group string remittance line |
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| CN201920410194.0U CN209375574U (en) | 2019-03-29 | 2019-03-29 | A kind of system of simplified photovoltaic group string remittance line |
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| CN109831157A (en) * | 2019-03-29 | 2019-05-31 | 江苏中信博新能源科技股份有限公司 | A kind of system and method for simplified photovoltaic group string remittance line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109831157A (en) * | 2019-03-29 | 2019-05-31 | 江苏中信博新能源科技股份有限公司 | A kind of system and method for simplified photovoltaic group string remittance line |
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