CN102593251B - Method for recovering crystalline silicon polarization assembly by using aluminum foil method - Google Patents
Method for recovering crystalline silicon polarization assembly by using aluminum foil method Download PDFInfo
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- CN102593251B CN102593251B CN201210041886.5A CN201210041886A CN102593251B CN 102593251 B CN102593251 B CN 102593251B CN 201210041886 A CN201210041886 A CN 201210041886A CN 102593251 B CN102593251 B CN 102593251B
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- voltage source
- constant voltage
- positive pole
- solar components
- aluminium foil
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000010287 polarization Effects 0.000 title claims abstract description 18
- 229910021419 crystalline silicon Inorganic materials 0.000 title claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract 6
- 229910052782 aluminium Inorganic materials 0.000 title abstract 6
- 239000011888 foil Substances 0.000 title abstract 6
- 238000011084 recovery Methods 0.000 claims abstract description 8
- 239000005030 aluminium foil Substances 0.000 claims description 32
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000002336 repolarization Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention relates to a method for recovering a crystalline silicon polarization assembly by using an aluminum foil method. The method comprises the steps of packing parts, except a terminal box and an outgoing line wire, of a solar assembly by aluminum foil firmly, connecting a direct-current constant-pressure resource and an outgoing wire of the solar assembly, and applying voltage, wherein the applied voltage is within 1000V-1500V, according to an N-shaped solar battery assembly, the negative pole of the direct-current constant-pressure resource is connected with the positive pole of the outgoing wire of the solar assembly, the positive pole of the direct-current constant-pressure resource is connected with the aluminum foil; and according to a P-shaped solar battery assembly, the positive pole of the direct-current constant-pressure resource is connected with the positive pole of the outgoing wire of the solar assembly, and the negative pole of the direct-current constant-pressure resource is connected with the aluminum foil. The method has the beneficial effects that a layer of aluminum foil is packed on the surface of the solar assembly, conductivity of the assembly surface can be improved and a uniform equipotential body can be formed, an assembly which is polarized can be facilitated to recover fast, and compared with the conventional recovering method, the method can improve recovery speed by about 40 percent.
Description
Technical field
The present invention relates to a kind of aluminium foil method and recover the method for crystalline silicon polarization component.
Background technology
Assembly polarization phenomena are PID (potential induced degradation), because P type Crystalline Silicon PV Module is operated in back bias voltage lower time (N-type Crystalline Silicon PV Module be operated in positive voltage lower time), cause its power generation performance to reduce, power stage is a kind of phenomenon on the low side obviously.This kind of phenomenon understood by people, but how the assembly that polarization phenomena have occurred recovers not have unified method, at present, some researchers just carry out high pressure recovery to the assembly that does not add any auxiliary material, recovery time is longer, is difficult to be approved by user and research institution.
Summary of the invention
Technical problem to be solved by this invention is: a kind of method that provides aluminium foil method to recover crystalline silicon polarization component, the power regeneration rate of the assembly of polarization phenomena occurs in quickening.
The technical solution adopted for the present invention to solve the technical problems is: a kind of aluminium foil method is recovered the method for crystalline silicon polarization component, except terminal box and lead-out wire, other parts of solar components are tight with aluminium foil parcel, DC constant voltage source is connected with the lead-out wire of solar components, apply voltage, the voltage applying is between 1000V-1500V, for N-type solar module, the negative pole in DC constant voltage source is connected with the positive pole of the lead-out wire of solar components, and the positive pole in DC constant voltage source is connected with aluminium foil; For P type solar module, the positive pole in DC constant voltage source is connected with the positive pole of the lead-out wire of solar components, and the negative pole in DC constant voltage source is connected with aluminium foil.
Further limit, when solar components is applied to voltage, detect leakage current.
Further limit, concrete steps are:
A. prepare one, aluminium foil;
B. except terminal box and lead-out wire, other parts of solar components are tight with aluminium foil parcel;
C. DC constant voltage source is connected with the lead-out wire of solar components, in the connecting circuit of DC constant voltage source and solar components, seal in Leakage Current Detector, the connected mode of DC constant voltage source and solar components is: for N-type solar module, the negative pole in DC constant voltage source is connected with the positive pole of the lead-out wire of solar components, and the positive pole in DC constant voltage source is connected with aluminium foil; For P type solar module, the positive pole in DC constant voltage source is connected with the positive pole of the lead-out wire of solar components, and the negative pole in DC constant voltage source is connected with aluminium foil;
D. solar components is applied to voltage 1000V voltage, and monitor leakage current;
E. in repolarization process, determine the situation of recovery situation and the assembly cell piece of polarization component by the leakage current of monitoring according to actual conditions certain interval of time.
The invention has the beneficial effects as follows: by closely wrapping up one deck aluminium foil on solar components surface, increase assembly surface electric conductivity and formed even equipotentiality body, can accelerate to recover to have produced polarization phenomena assembly, compared with conventional restoring method, can accelerate to improve the speed of 40% left and right.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the split schematic diagram of aluminium foil of the present invention and solar components;
Fig. 2 is the schematic diagram of aluminium foil parcel solar components of the present invention;
Fig. 3 be the assembly that has produced polarization phenomena of the present invention carry out power recover time electrical connection diagram;
In figure: 1. solar components, 2. aluminium foil, 3. DC constant voltage source, 5. Leakage Current Detector.
Embodiment
As shown in Figure 1,2 and 3, a kind of aluminium foil method is recovered the method for crystalline silicon polarization component, except terminal box and lead-out wire, other parts of solar components 1 are wrapped up tight with aluminium foil 2, DC constant voltage source 3 is connected with the lead-out wire of solar components 1, apply voltage, the voltage applying is between 1000V-1500V.
For N-type solar module, the negative pole in DC constant voltage source 3 is connected with the positive pole of the lead-out wire of solar components 1, and the positive pole in DC constant voltage source 3 is connected with aluminium foil 2.
For P type solar module, the positive pole in DC constant voltage source 3 is connected with the positive pole of the lead-out wire of solar components 1, and the negative pole in DC constant voltage source 3 is connected with aluminium foil 2.
Concrete steps are:
A. prepare 2 one, aluminium foil;
B. except terminal box and lead-out wire, other parts of solar components 1 are wrapped up tight with aluminium foil 2;
C. DC constant voltage source 3 is connected with the lead-out wire of solar components 1, in the connecting circuit of DC constant voltage source 3 and solar components 1, seals in Leakage Current Detector 5, DC constant voltage source 3 with the connected mode of solar components 1 is:
For N-type solar module, the negative pole in DC constant voltage source 3 is connected with the positive pole of the lead-out wire of solar components 1, and the positive pole in DC constant voltage source 3 is connected with aluminium foil 2;
For P type solar module, the positive pole in DC constant voltage source 3 is connected with the positive pole of the lead-out wire of solar components 1, and the negative pole in DC constant voltage source 3 is connected with aluminium foil 2;
D. solar components 1 is applied to voltage 1000V voltage, and monitor leakage current;
E. in repolarization process, determine the situation of recovery situation and the assembly cell piece of polarization component by the leakage current of monitoring according to actual conditions certain interval of time.
Claims (2)
1. the method for an aluminium foil method recovery crystalline silicon polarization component, it is characterized in that: except terminal box and lead-out wire, other of solar components (1) for part aluminium foil (2) wrap up tight, DC constant voltage source (3) are connected with the lead-out wire of solar components (1), apply voltage, the voltage applying is between 1000V-1500V
For N-type solar module, the negative pole of DC constant voltage source (3) is connected with the positive pole of the lead-out wire of solar components (1), and the positive pole of DC constant voltage source (3) is connected with aluminium foil (2);
For P type solar module, the positive pole of DC constant voltage source (3) is connected with the positive pole of the lead-out wire of solar components (1), and the negative pole of DC constant voltage source (3) is connected with aluminium foil (2),
When solar components (1) is applied to voltage, detect leakage current ,]
In repolarization process, determine the situation of recovery situation and the assembly cell piece of polarization component by the leakage current of monitoring according to actual conditions certain interval of time.
2. aluminium foil method according to claim 1 is recovered the method for crystalline silicon polarization component, it is characterized in that: concrete steps are:
A. prepare (2) one, aluminium foil;
B. except terminal box and lead-out wire, other of solar components (1) for part aluminium foil (2) wrap up tight;
C. DC constant voltage source (3) are connected with the lead-out wire of solar components (1), in the connecting circuit of DC constant voltage source (3) and solar components (1), seal in Leakage Current Detector (5), DC constant voltage source (3) with the connected mode of solar components (1) are:
For N-type solar module, the negative pole of DC constant voltage source (3) is connected with the positive pole of the lead-out wire of solar components (1), and the positive pole of DC constant voltage source (3) is connected with aluminium foil (2);
For P type solar module, the positive pole of DC constant voltage source (3) is connected with the positive pole of the lead-out wire of solar components (1), and the negative pole of DC constant voltage source (3) is connected with aluminium foil (2);
D. solar components (1) is applied to voltage 1000V voltage, and monitor leakage current;
E. in repolarization process, determine the situation of recovery situation and the assembly cell piece of polarization component by the leakage current of monitoring according to actual conditions certain interval of time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210041886.5A CN102593251B (en) | 2012-02-23 | 2012-02-23 | Method for recovering crystalline silicon polarization assembly by using aluminum foil method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210041886.5A CN102593251B (en) | 2012-02-23 | 2012-02-23 | Method for recovering crystalline silicon polarization assembly by using aluminum foil method |
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| CN102593251B true CN102593251B (en) | 2014-06-04 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103018648A (en) * | 2012-09-27 | 2013-04-03 | 奥特斯维能源（太仓）有限公司 | Accelerated PID (Potential Induced Degradation) testing method |
| JP6595866B2 (en) * | 2015-09-18 | 2019-10-23 | 信越化学工業株式会社 | Photovoltaic power generation system and method of using the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102290448A (en) * | 2010-06-18 | 2011-12-21 | Q-电池欧洲公司 | Solar cell, solar cell manufacturing method and testing method |
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| CN102290448A (en) * | 2010-06-18 | 2011-12-21 | Q-电池欧洲公司 | Solar cell, solar cell manufacturing method and testing method |
Non-Patent Citations (2)
| Title |
|---|
| Peter Hacke ea tl.SYSTEM VOLTAGE POTENTIAL-INDUCED DEGRADATION MECHANISMS IN PV MODULES AND METHODS FOR TEST.《37th IEEE photovoltaic specialists conference》.2011,1-9. |
| SYSTEM VOLTAGE POTENTIAL-INDUCED DEGRADATION MECHANISMS IN PV MODULES AND METHODS FOR TEST;Peter Hacke ea tl;《37th IEEE photovoltaic specialists conference》;20110724;1-9 * |
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Address after: 213031, No. 2, Tianhe Road, Xinbei Industrial Park, Jiangsu, Changzhou Patentee after: trina solar Ltd. Address before: 213031, No. 2, Tianhe Road, Xinbei Industrial Park, Jiangsu, Changzhou Patentee before: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. Address after: 213031, No. 2, Tianhe Road, Xinbei Industrial Park, Jiangsu, Changzhou Patentee after: TRINASOLAR Co.,Ltd. Address before: 213031, No. 2, Tianhe Road, Xinbei Industrial Park, Jiangsu, Changzhou Patentee before: trina solar Ltd. |
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