CN102593222A - Anti-static discharge method of tripartite high-voltage high-power solar cell array - Google Patents

Anti-static discharge method of tripartite high-voltage high-power solar cell array Download PDF

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Publication number
CN102593222A
CN102593222A CN201210075993XA CN201210075993A CN102593222A CN 102593222 A CN102593222 A CN 102593222A CN 201210075993X A CN201210075993X A CN 201210075993XA CN 201210075993 A CN201210075993 A CN 201210075993A CN 102593222 A CN102593222 A CN 102593222A
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CN
China
Prior art keywords
solar battery
electrostatic
solar
battery array
solar cell
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Pending
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CN201210075993XA
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Chinese (zh)
Inventor
崔新宇
薛梅
邹世纯
鲍伟丰
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CETC 18 Research Institute
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CETC 18 Research Institute
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Priority to CN201210075993XA priority Critical patent/CN102593222A/en
Publication of CN102593222A publication Critical patent/CN102593222A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention relates to an anti-static discharge method of a tripartite high-voltage high-power solar cell array and belongs to the technical field of solar cells. The anti-static discharge method is characterized by comprising an anti-failure method and a failure isolation method. The anti-failure method is that insulating strength is increased on the surface of a substrate of the solar cell array, voltage between solar cell bunches is reduced, circuit output current of a solar cell unit is reduced, a static leakage loop is arranged on a solar panel, the negative electrode of the solar cell is towards the edge of the substrate, and a polyimide film is exposed on the solar panel to increase insulation. The failure isolation method is that circuits of the solar cell unit are mutually isolated. The anti-static discharge method has the advantages of being simple in method, convenient in operation, wide in application scope, obvious in effect and the like, achieves the effect of avoiding failures of partial circuits caused by anti-static discharge of the tripartite high-voltage high-power solar cell array and improves reliability of the tripartite high-voltage high-power solar cell array.

Description

Three knot high-power solar battery array anti-electrostatic-discharge methods
Technical field
The invention belongs to technical field of solar cells, particularly relate to a kind of three knot high-power solar battery array anti-electrostatic-discharge methods.
Background technology
At present; The anti-electrostatic-discharge of satellite solar cell battle array all is that the solar battery array that is directed against unijunction designs, and the mechanism and the unijunction solar battery array static discharge mechanism of three knot high-power solar battery array static discharges are basic identical, still; Because the three-junction gallium arsenide battery exists different with the single junction cell structure aspects; And substrate edges has larger area exposed, although carried out the adaptive improvement in many places, taked multinomial protection; The Electrostatic Discharge problem makes the high-power satellite of geostationary orbit produce anomalous event and fault; Even also cause the heavy losses of high pressure sun battery battle array power output, so the anti-electrostatic-discharge design is the key technical problem that three knot high-power solar battery arrays need solve.
Summary of the invention
The present invention provides a kind of three knot high-power solar battery array anti-electrostatic-discharge methods for solving the technical problem that exists in the known technology.
Three knot high-power solar battery array anti-electrostatic-discharge methods of characteristics such as it is simple to the purpose of this invention is to provide a kind of method, easy to operate, applied widely, and effect is obvious.
The technical scheme that the present invention's three knot high-power solar battery array anti-electrostatic-discharge methods are taked is:
Three knot high-power solar battery array anti-electrostatic-discharge methods, be characterized in: the solar battery array anti-electrostatic-discharge method comprises anti-inefficacy method and failure separation method; Anti-inefficacy method be that the solar battery array substrate surface increases dielectric strength, reduces voltage between the solar battery string string, reduces solar battery cell circuit output current, solar panel is provided with the electrostatic leakage path and the solar cell negative pole towards substrate edges, exposed polyimide film increases insulation on the solar panel; Failure separation method is that the solar battery cell circuit is isolated each other.
The present invention's three knot high-power solar battery array anti-electrostatic-discharge methods can also adopt following technical scheme:
Described three knot high-power solar battery array anti-electrostatic-discharge methods, be characterized in: the mode that the solar battery array substrate surface increases dielectric strength is on the solar battery array substrate surface, to apply one deck RTV silicon rubber.
Described three knot high-power solar battery array anti-electrostatic-discharge methods, be characterized in: voltage is that voltage is lower than 43V between control solar battery string string between reduction solar battery string string.
Described three knot high-power solar battery array anti-electrostatic-discharge methods are characterized in: reducing solar battery cell circuit output current is that control solar battery cell circuit output current is lower than 1A.
Described three knot high-power solar battery array anti-electrostatic-discharge methods are characterized in: it is that the solar cell plate structure is connected with satellite structure ground through 10k Ω-100k Ω resistance and realizes that solar panel is provided with the electrostatic leakage path.
Described three knot high-power solar battery array anti-electrostatic-discharge methods, be characterized in: exposed polyimide film increase insulation is on solar panel, to apply RTV silicon rubber apart from the exposed polyimide film in the busbar 10mm on the solar panel.
Described three knot high-power solar battery array anti-electrostatic-discharge methods, be characterized in: it is at solar battery cell circuit anode output series diode that the solar battery cell circuit is isolated each other.
Advantage and good effect that the present invention has are:
Three knot high-power solar battery array anti-electrostatic-discharge methods are owing to adopted brand-new technology scheme of the present invention; Compared with prior art; The anti-electrostatic-discharge method for designing of the present invention three knot high-power solar battery arrays is primarily aimed at the different of three-junction gallium arsenide battery and unijunction GaAs battery structure aspect; And the difference of substrate edges bare area, design improves to unijunction solar battery array anti-electrostatic-discharge, takes multinomial safeguard procedures.This method is made up of anti-failure Design method and Fault Isolation method for designing.Wherein anti-failure Design method satisfies the needs that three knot high-power solar battery array anti-electrostatic-discharges lost efficacy; The Fault Isolation method for designing has satisfied the needs of the power loss behind the minimizing high-power solar battery array static discharge failure.
It is simple that the present invention has method; Easy to operate, applied widely, advantage such as effect is obvious; Reach the effect that prevents that partial circuit that three knot high-power solar battery arrays cause because of static discharge lost efficacy, improved the reliability of three knot high-power solar battery arrays.
Description of drawings
Fig. 1 is that solar battery array substrate surface of the present invention increases dielectric strength Processing Structure sketch map;
Fig. 2 is that the many foldings of element circuit of the present invention come and go the arrangement sketch map.
Among the figure, 1, RTV glue, 2, the GaAs solar cell.
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, the following examples of giving an example now, and conjunction with figs. specifies as follows:
Consult accompanying drawing 1 and Fig. 2.
Embodiment 1
Three knot high-power solar battery array anti-electrostatic-discharge methods comprise anti-inefficacy method and failure separation method; Anti-inefficacy method be that the solar battery array substrate surface increases dielectric strength, reduces voltage between the solar battery string string, reduces solar battery cell circuit output current, solar panel is provided with the electrostatic leakage path and the solar cell negative pole towards substrate edges, exposed polyimide film increases insulation on the solar panel; Failure separation method is that the solar battery cell circuit is isolated each other.
The mode that the solar battery array substrate surface increases dielectric strength is on the solar battery array substrate surface, to apply one deck RTV silicon rubber.Voltage is that voltage is lower than 43V between control solar battery string string between reduction solar battery string string.Reducing solar battery cell circuit output current is that control solar battery cell circuit output current is lower than 1A.It is that the solar cell plate structure is connected with satellite structure ground through 10k Ω-100k Ω resistance and realizes that solar panel is provided with the electrostatic leakage path.Exposed polyimide film increase insulation is on solar panel, to apply RTV silicon rubber apart from the exposed polyimide film in the busbar 10mm on the solar panel.It is at solar battery cell circuit anode output series diode that the solar battery cell circuit is isolated each other.
The concrete processing procedure of present embodiment:
1) the solar battery array substrate surface increases the dielectric strength processing
Solar battery array substrate bonding battery face applies one deck silicon rubber from the teeth outwards before boning with solar cell.For example: the design of solar battery array substrate bonding solar cell face applies one deck RTV glue.
2) voltage is lower than appropriate value between the solar battery string string
During the design of solar battery array circuit layout solar cell circuit series connection direction is designed to come and go layout, guarantees that voltage is lower than 43V between the solar battery string string.For example: when the solar cell circuit design of 100V solar battery array is 200 solar cell series connection; Can solar cell circuit series connection direction be designed to come and go layout 5 plaitings puts; Every folding is 40 batteries, and the voltage control between solar battery string is being lower than 43V like this.
3) solar battery cell circuit output current is lower than appropriate value
Reduce solar cell circuit parallel connection sheet number during the design of solar battery array circuit layout, guarantee that solar battery cell circuit output current is lower than 1A.For example: a slice solar cell output current is 0.4A, and the solar battery cell circuit design is 2 battery parallel connections, and solar battery cell circuit output current is controlled at about 0.8A.
4) solar panel design electrostatic leakage path
Solar battery array substrate ground is connected with satellite structure ground through the resistance of 10k Ω~100k Ω.For example: the solar battery array substrate is connected with satellite structure ground through the parallel resistance of 1 resistance 50k Ω.
5) exposed polyimide film increases insulation processing on the solar panel
GND applies RTV silicon rubber towards substrate edges apart from the exposed polyimide film in the busbar 10mm.For example: the negative pole of battery towards substrate edges, is being applied one deck RTV glue apart from the exposed polyimide film in the busbar 10mm.The negative pole of battery towards substrate edges, has been reduced the voltage between battery circuit and exposed substrate like this.
6) solar battery array element circuit Fault Isolation design
Solar battery cell circuit anode output series diode.For example: 1 diode that model is 1N5418 of solar battery cell circuit anode output series connection.

Claims (7)

1. three tie high-power solar battery array anti-electrostatic-discharge methods, it is characterized in that: the solar battery array anti-electrostatic-discharge method comprises anti-inefficacy method and failure separation method; Anti-inefficacy method be that the solar battery array substrate surface increases dielectric strength, reduces voltage between the solar battery string string, reduces solar battery cell circuit output current, solar panel is provided with the electrostatic leakage path and the solar cell negative pole towards substrate edges, exposed polyimide film increases insulation on the solar panel; Failure separation method is that the solar battery cell circuit is isolated each other.
2. three knot high-power solar battery array anti-electrostatic-discharge methods according to claim 1, it is characterized in that: the mode that the solar battery array substrate surface increases dielectric strength is on the solar battery array substrate surface, to apply one deck RTV silicon rubber.
3. three knot high-power solar battery array anti-electrostatic-discharge methods according to claim 1, it is characterized in that: voltage is that voltage is lower than 43V between control solar battery string string between reduction solar battery string string.
4. three knot high-power solar battery array anti-electrostatic-discharge methods according to claim 1 is characterized in that: reducing solar battery cell circuit output current is that control solar battery cell circuit output current is lower than 1A.
5. three knot high-power solar battery array anti-electrostatic-discharge methods according to claim 1 is characterized in that: it is that the solar cell plate structure is connected with satellite structure ground through 10k Ω~100k Ω resistance and realizes that solar panel is provided with the electrostatic leakage path.
6. three knot high-power solar battery array anti-electrostatic-discharge methods according to claim 1, it is characterized in that: exposed polyimide film increase insulation is on solar panel, to apply RTV silicon rubber apart from the exposed polyimide film in the busbar 10mm on the solar panel.
7. three knot high-power solar battery array anti-electrostatic-discharge methods according to claim 1, it is characterized in that: it is at solar battery cell circuit anode output series diode that the solar battery cell circuit is isolated each other.
CN201210075993XA 2012-03-21 2012-03-21 Anti-static discharge method of tripartite high-voltage high-power solar cell array Pending CN102593222A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111470072A (en) * 2020-03-19 2020-07-31 上海卫星工程研究所 Solar cell array wiring method and system for GEO orbit three-axis stable satellite round shell structure
CN113114102A (en) * 2021-03-18 2021-07-13 中国空间技术研究院 Solar wing grounding circuit based on anti-static and fault isolation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101661964A (en) * 2008-08-27 2010-03-03 比亚迪股份有限公司 Solar module and manufacturing method thereof
CN102306673A (en) * 2011-10-11 2012-01-04 上海晶亨光电科技有限公司 Solar battery module

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101661964A (en) * 2008-08-27 2010-03-03 比亚迪股份有限公司 Solar module and manufacturing method thereof
CN102306673A (en) * 2011-10-11 2012-01-04 上海晶亨光电科技有限公司 Solar battery module

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111470072A (en) * 2020-03-19 2020-07-31 上海卫星工程研究所 Solar cell array wiring method and system for GEO orbit three-axis stable satellite round shell structure
CN113114102A (en) * 2021-03-18 2021-07-13 中国空间技术研究院 Solar wing grounding circuit based on anti-static and fault isolation
CN113114102B (en) * 2021-03-18 2022-05-24 中国空间技术研究院 Solar wing grounding circuit based on anti-static and fault isolation

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Application publication date: 20120718