Teko ea ho Tšoarella ha Thermal Panel ea Letsatsi bakeng sa Lisebelisoa tsa ho Bapala ka Thermal

Mar 23,2026

Liphanele tsa letsatsi li mamella liphetoho tse sa khaotseng tsa mocheso nakong eohle ea bophelo ba tsona ba lilemo tse 25 ho isa ho tse 30 - li baka letsatsing la motšehare, ebe lia pholile haholo ka mor'a hore letsatsi le likele. Lisebelisoa tsa ho palama baesekele tse futhumatsang e pheta-pheta liphetoho tsena tse otlang tikolohong e laoloang ea laboratori, e beha li-module tsa photovoltaic (PV) maemong a mocheso a pheta-phetoang pakeng tsa maemo a feteletseng a kang -40°C le +85°C. Khatello ena e potlakileng e pepesa bofokoli bo patiloeng liriboneng tsa solder, likarolo tse koahelang, li-interface tsa khalase-sele, le likhokahano tsa motlakase nako e telele pele liphanele li fihla marulelong. Ka ho hatella lilemo tsa ho pepesehela masimo libekeng tsa liteko tsa laboratori, baenjiniere ba fumana data ea mokhoa oa ho hloleha e hlokahalang ho ntlafatsa thepa, ho ntlafatsa lits'ebetso tsa tlhahiso, le ho netefatsa litiisetso tsa tlhahiso ea matla tsa nako e telele tse tšehetsang kholiseho ea batseteli mererong ea matla a letsatsi lefatšeng ka bophara.

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Laboratori e etellang pele ea liteko tsa elektroniki e arolelane phihlelo ea eona le rona Thepa ea ho palama baesekele ea mocheso ea THR10-500Ale lionto tsa ho omisa: "Kamore ea rona ea THR10-500A le lionto tsa ho omisa li sebetsa hantle haholo, kea leboha. Re thabile haholo ka tsona." Tshebetso e tsitsitseng ya kamore nakong ya diteko tse matla tsa ho potoloha ha mocheso e nolofaleditse sehlopha ho etsa mekgwa e telele ya ho tjhesa le ho pheta-pheta diphetoho tse potlakileng tsa mocheso ntle le tshitiso. Botshepehi bona bo ba file boitshepo ba ho lekola ka nepo ho mamella mocheso le ho tshwarella ha di-elektroniki tsa dikoloi, di-sensor le di-module tsa taolo. Ka nqane ho di-elektroniki, disebediswa di ipakile di sebetsa hantle haholo ditekong tsa thepa, ho tsofala ha dikarolo tsa polasetiki, le ditekolong tsa tshebetso ya betri, ho thusa dihlopha ho etsisa maemo a mocheso wa lefatshe la nnete ka katleho le ho ntlafatsa bophelo bo bolelele ba sehlahiswa.

 

Hobaneng ha Liphanele tsa Letsatsi li Hloka Teko ea ho Potoloha ha Thermal?


Lisebelisoa tsa ho Baesekeletsa Thermal4blog-15-15​Lilemo tse Mashome tsa ho Itlhahisa Kantle le ho ba Teng ka Mocheso o Feteletseng

Marulelo kapa lera la letsatsi le kentsweng fatshe le tobana le ho pepesehela maemo a feteletseng a sehla - lehlabula le chesang, mariha a batang, le ntho e 'ngoe le e 'ngoe e pakeng tsa tsona. Meaho ea lehoatata e na le phapang ea mocheso oa letsatsi le letsatsi e fetang 50°C, ha libaka tsa Nordic li mamella maemo a nako e telele a sub-zero. Nakong ea waranti ea lilemo tse 25, phanele e le 'ngoe e ka bokella lipotoloho tse mashome a likete tsa mocheso, e 'ngoe le e 'ngoe e hatella li-interface tsa ka hare le likhokahano hanyane ka hanyane.

Mekhoa ea ho Kopanya Mokhathala ho Li-module tsa PV

Ho fetoha ha mocheso ka mong ho baka katoloso le ho honyela ha disebediswa tse fapaneng tse hokahaneng ka hare ho laminate ya mojule. Mokhathala o petsoha nucleate dintlheng tsa kgatello ya maikutlo - haholo-holo manonyeletso a solder a hokahanyang disele tsa silicon le diribone tsa koporo - mme a ata ka potoloho kamora potoloho. Ntle le tlhahlobo ya potoloho ya mocheso, diphoso tsena tse holang butle di phonyoha ho bonwa nakong ya tlhahlobo ya kamehla ya motlakase hekeng ya fektheri.

Melemo ea Moruo ea ho Senyeha ha Panel Pele ho Nako

Moruo oa projeke ea letsatsi o itšetlehile ka tlhahiso ea matla e ka lebelloang ho theosa le lilemo tse mashome. Mojule o senyehang ka potlako ho feta kamoo ho lebelletsoeng kateng o senya meputso ea batseteli, o baka likopo tsa waranti, 'me o senya botumo ba moetsi. Litlhoko tse matla tsa potoloho ea mocheso tse sebelisang likamore tsa liteko tse hahiloeng ka morero li hapa meralo e kotsing kapele, e lumellang litokiso tse sireletsang mehloli ea lekeno le tekano ea lets'oao.

 

Khatello ea Mocheso ho Li-module tsa Photovoltaic le Lisebelisoa


Ho se tshwane ha CTE ho pholletsa le di-module tsa mekhahlelo e mengata

Dimojule tsa letsatsi ke disandwich tse nang le laminated - khalase e halefisitsoeng, ente ea ethylene-vinyl acetate (EVA), lisele tsa silicon tse nang le likhokahano tsa tšepe, pampiri e ka morao ea polymeric, le foreimi ea aluminium. Lera ka leng le na le coefficient e ikhethang ea katoloso ea mocheso (CTE). Ha mocheso o fetoha, mekhahlelo ena e atoloha kapa ea honyela ka lebelo le fapaneng, e leng se hlahisang khatello ea ho shear le ho peel ho sebopeho se seng le se seng se kopantsoeng.

Tafole ea 1: Litekanyetso tsa CTE tsa Lisebelisoa tsa Module ea PV e Tloaelehileng

lintho tse bonahalang

CTE e hakanyetsoang (ppm/°C)

Karolo ho Mojule

Khalase e bohale

8-9

Sekoahelo se ka pele

Sephutheloana sa Eva

150-200

Ho koaheloa ha sele

Sele ea silicon ea kristale

2.6

Moloko oa matla

Lente ea koporo

17

Khokahano pakeng tsa sele le sele

Leqephe le ka morao la PET/PVF

20-80

Thibelo ea mongobo e ka morao

Alamoamo

23

Ts'ehetso ea sebopeho

Mathata a Thermomechanical ho Likhokahano tsa Sele

Phapang ea CTE pakeng tsa silicon (2.6 ppm/°C) le ribone ea koporo (17 ppm/°C) e tsepamisa khatello ea potoloho ka ho toba moleng oa tlamo ea solder. Ho kobeha khafetsa ho khathatsa motsoako oa solder, ho etsa hore mapetso a nucleus a eketse khanyetso ea letoto le ho fokotsa tlhahiso ea matla. Likamore tsa ho potoloha tsa mocheso li sebelisa sekhahla se laoloang sa ramp - hangata ho tloha ho 5°C ho isa ho 15°C ka motsotso - ho pheta pokello ena ea khatello tlas'a maemo a laboratori.

Ho senyeha ha pampiri e ka hare le ho senyeha ha pampiri e ka morao tlas'a khatello ea potoloho

EVA le di-encapsulant tse ding di a nolofala ha mocheso o phahame mme di thatafala ha mocheso o tlase nakong ya teko ka hara Thermal cycling test room. Ho potoloha pakeng tsa maemo ana ho ka qala ho arohana ho tloha bokaholimong ba sele kapa ho tloha holimo ho khalase, ho theha litsela tsa ho kena ha mongobo. Li-polymer tsa pampiri e ka morao li feta ho teneha ho tšoanang, qetellong li petsoha 'me li beha botšepehi ba ho thibela motlakase ba mojule kotsing.

 

Maemo a Teko bakeng sa Tshebetso ea ho Potoloha ha Thermal Panel ea Letsatsi


Litlhoko tsa ho Baesekele ea Thermal ea IEC 61215

IEC 61215 - tekanyetso ea ho tšoaneleha bakeng sa li-module tsa kristale tsa silicon PV - e fana ka teko ea TC200: lipotoloho tse 200 pakeng tsa -40°C le +85°C ka sekhahla se phahameng sa ramp le linako tse hlalositsoeng tsa ho lula maemong 'ohle a feteletseng. Li-module ha lia lokela ho bontša liphoso tse kholo tsa pono, ho se be le ho hloleha ha motlakase oa ho lutla ha metsi, le ho se be le ho senyeha ha matla ho fetang 5% ka mor'a ho qeta protocol.

Mekhoa e Atolositsoeng ea ho Palama Baesekele e Fetang Bonyane ba Tšoaneleho

Tumellano ea indasteri e ntse e eketseha ho hlokomela hore lipotoloho tse 200 li emela bonyane bo fokolang. Bahlahisi ba bangata le lilaboratori tse ikemetseng tsa liteko ka boithatelo ba atolosa ho palama libaesekele ho ea ho TC400, TC600, kapa esita le TC1000 ho khetholla lihlahisoa tsa boleng bo holimo le ho khotsofatsa litlhoko tse thata tsa ho ba le chelete ho tsoa ho bafani ba lichelete ba projeke. Liprothokholi tse atolositsoeng li hlahisa mekhoa ea ho hloleha ho fela eo liteko tse khutšoane li ke keng tsa e senola.

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Tafole ea 2: Mekhoa e Tloaelehileng ea Teko ea ho Potoloha ha Thermal Panel ea Letsatsi

melaoana

mocheso Range

Palo ea Potoloho

Ramp Rate

Maemo a Bohlokwa

TC200

-40 ° C ho + 85 ° C

200

≤ 100°C/h

IEC 61215

TC400

-40 ° C ho + 85 ° C

400

≤ 100°C/h

IEC e atolositsoeng

TC600

-40 ° C ho + 85 ° C

600

≤ 100°C/h

IEC e atolositsoeng

TC e kopantsoeng + HF

-40 ° C ho + 85 ° C

200 + 10 HF

Ho latela tlhaloso

Sephetho sa IEC 61215.

Ho Kopanya ho Potoloha ha Thermal le Liteko tsa Mongobo le Mechini

IEC 61215 e boetse e laela liteko tse latellanang - ho potoloha ha mocheso ho lateloa ke lipotoloho tsa mongobo le ho hatsela (HF) le liteko tsa mojaro oa mechini. Tatellano ena e kopaneng e etsisa li-module tsa khatello ea tšebelisano-'moho tse kopanang le tsona tšimong. Lisebelisoa tsa ho potoloha ha mocheso tse khonang ho laola ramp hantle le mocheso o tsitsitseng li nolofatsa matšolo ana a latellanang ntle le ho hloka phetisetso ea mehlala lipakeng tsa likamore tse arohaneng.

 

Ketsiso ea ho Feto-fetoha ha Mocheso oa Motšehare le Bosiu Mehahong ea Letsatsi


Litefiso tsa Ramp tse ka hlophisoang bakeng sa Liprofaele tsa 'Nete

Liphanele tsa letsatsi tsa 'nete li futhumatsa le ho phola ka lebelo le laoloang ke mahlaseli a letsatsi, lebelo la moea le mocheso o potolohileng. Sekhahla sa ramp se laoloang - se ka khethoang ho 5°C, 10°C, kapa 15°C ka motsotso - se lumella baenjiniere ba liteko ho etsa liprofaele tse bonts'ang maemo a itseng a jeokrafi. Ramp e liehang e pheta maemo a leholimo a futhumetseng; ramp e phahameng e etsisa libaka tse omileng ka ho phola ka tšohanyetso ka mor'a ho likela ha letsatsi.

Linako tsa Bolulo le Tekano ea Thermal

Dimojule di tlameha ho fihlella mocheso o lekanang wa kahare pele ho rekotwa potoloho e nang le moelelo wa mocheso. Dinako tsa ho dula maemong a feteletseng a chesang le a batang di netefatsa hore dikarolo tse ka hare-hare - ho kenyeletswa le sebopeho sa sele-EVA - di lekana ka botlalo. Dinako tse sa lekaneng tsa ho dula di fokotsa kgatello ya maikutlo e utlwiwang ke dihokelo tse kentsweng, e leng se hlahisang diphetho tse nang le tshepo e fosahetseng.

Moralo oa Profaele ea Teko e Ikhethang ea Tlelaemete

Phanele e reretsoeng Hloahloeng ea Arabia e shebane le enfelopo e fapaneng ea mocheso ho feta e kentsoeng Scandinavia. Baenjiniere ba rala liprofaele tsa baesekele tse ikhethileng - ho lokisa meeli ea mocheso o holimo le o tlase, sekhahla sa ho phahama, le lipalo tsa lipeeletso - ho etsisa boemo ba ho kenngoa ha sepheo. Balaoli ba ka hlophisoang ba nang le khokahano ea Ethernet le bokhoni ba khokahano ea PC ba nolofatsa tlhahiso le polokelo ea liprofaele tsena tse ikhethileng.

 

Ho Lekola Khalase, Lisebelisoa tsa Encapsulation, le Likhokahano tsa Motlakase


Mokhathala oa Ribone ea Solder le Botšepehi ba ho Kopanya Lisele

Ho nka ditshwantsho tsa electroluminescence (EL) pele le kamora ho etsa teko ka lisebelisoa tsa teko ea ho potoloha ha mocheso E senola libaka tse sa sebetseng tsa sele tse bakoang ke manonyeletso a solder a petsohileng. Ha mapetso a ntse a ata, khanyetso ea letoto e ea nyoloha 'me karolo ea module e theoha. Ho lekanya ho senyeha hona ka litekanyo tsa IV curve ka linako tse hlalositsoeng tsa potoloho ho fana ka sekhahla sa kholo ea mokhathala se tsebisang khetho ea motsoako oa solder le ntlafatso ea jiometri ea ribone.

Ho lemoha ho ba mosehla le ho ba le qhetso ea EVA

Ho potoloha ha mocheso nako e telele ho potlakisa ho fifala ha mmala wa EVA, haholoholo ha ho na le dihlahiswa tse setseng tse kopanyang. Setshwantsho se tshehla se monya karolo ya sekgahla sa lesedi se etsahalang, se fokotsa motlakase o mokgutshwane. Tlhahlobo ya pono, spectroscopy ya phetisetso, le microscopy ya acoustic ya C-mode scanning hammoho di lekanya boholo le kgatelopele ya ho senyeha ha setshwantsho nakong yohle ya letsholo la ho potoloha.

Lebokose la Junction le Tšepahala ea Sehokelo Tlas'a Baesekele

Mabokose a kgokelo le dihokelo tsa thapo tse kentsweng hodima lakane ya mojule di mamella maqhubu a tshwanang a mocheso le laminate ka boyona. Dihokelo tsa solder ka hara lebokose la kgokelo, dibonto tsa sekhomaretsi tse di tiisang le lakane ya morao, le mocheso wa tshebetso wa bypass diode kaofela di hloka ho hlahlojwa. Khanyetso ya insulation kamora ho potoloha le diteko tsa ho dutla ha metsi di tiisa hore meedi ya polokeho ya motlakase e ntse e le teng.

 

Ho Ntlafatsa Tšepo ea Liphanele tsa Letsatsi tsa Nako e Telele ka ho Tekoa Tikoloho


Ho Amahanya Lintlha tsa Teko e Potlakileng le Tshebetso ea Tšimo

Mabaka a ho potlaka - a nkiloeng ho mehlala ea Arrhenius kapa Coffin-Manson - a fetolela lipalo tsa potoloho ea laboratori ho lilemo tse lekanang tsa ho pepesehela tšimo. Kamano e netefalitsoeng e lumella bahlahisi ho bolela esale pele sekhahla sa ho senyeha ha lefats'e la 'nete ho tsoa liphethong tsa liteko tsa kamore, ho koala sekheo pakeng tsa letšolo la laboratori la libeke tse peli le waranti ea ts'ebetso ea lilemo tse 25.

Tlhahlobo ea Moralo e Thehiloeng ho Tlhahlobo ea Mokhoa oa ho Hlōleha

Mokhoa o mong le o mong oa ho hloleha o senoloang nakong ea potoloho ea mocheso o khutlela mokokotlong o tsoelang pele oa ntlafatso. Ho petsoha ha solder ho ka lebisa phetohong ho motsoako o hanyetsanang le mokhathala haholoanyane; ho arola ka thoko ho ka lebisa ho amoheloa ha sebopeho sa encapsulant se khomarelang ka holimo. Ts'ebetso ena e pheta-phetoang, e thehiloeng ho data ea kamore ea boiphihlelo, butle-butle e thatafatsa moralo oa mojule khahlanong le khatello ea thermomechanical.

Ho Haha Tiisetso ea Tšepo ka ho ba le Litšoaneleho tse Matla

Ho ba le banka ha mojule - boikemisetso ba ditheo tsa ditjhelete ho tshehetsa diporojeke tsa letsatsi - bo itshetlehile hodima bopaki bo matla ba ho fumana ditshwaneleho. Ditlaleho tse atolositsweng tsa potoloho ya mocheso ho tswa dilaboratoring tse amohetsweng, tse hlahisitsweng ka ho sebedisa dikamore tsa tikoloho tse lekantsweng le tse ka latelwang, di fana ka ditokomane tseo dihlopha tse sebetsang ka hloko di di hlokang pele di nehelana ka tjhelete ho di-photovoltaic tse kgolo.

 

Tshebetso e Tšepahalang Tlas'a Liphetoho tse Feteletseng tsa Mocheso - Indasteri ea LIB


Kamore ea Potoloho ea Thermal ea Potoloho e Potlakileng​​ ​​​​​​​Kamore ea Potoloho ea Thermal ea Potoloho e Potlakileng​
lebitso Kamore ea Potoloho ea Thermal ea Potoloho e Potlakileng

mocheso tsena lia fetana

-70℃ ~+150 ℃

Moralo oa Bopaki ba ho phatloha liketane tsa mamati tse sa phatloheng, fensetere ea ho shebella e sa phatloheng, sesebelisoa sa ho lemoha mosi, le sistimi ea ho fafatsa e thibelang mollo Sekoahelo se sa phatloheng

Mofuta o tlase

A: -70℃ B:-40℃ C -20℃

Ho fetoha ha mocheso

± 0.5 ℃

Mofuta oa Humidity

20% ~ 98%

Sekhahla sa mocheso

5 ℃/15 ℃ / motsotso

Sekhahla sa ho pholisa

5 ℃/15℃ / motsotso

molaoli eo

Taolo ea skrine ea LCD ea 'mala e ka hlophisoang, Sebopeho sa lipuo tse ngata, Ethernet, USB

Lisebelisoa tsa kantle

Plate ea tšepe e nang le tšireletso e sireletsang

Lintho tse ka hare

SUS304 celik

Tekanyetso e tloaelehileng

Lesoba la thapo le le leng (Φ 50) le nang le polaka; lishelefo tse 2

Mosebetsi oa Nako

0.1~999.9 (S,M,H) e ka hlophisoang

 kamore ea potoloho ea mocheso

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kamore ea potoloho ea mocheso

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 kamore ea potoloho ea mocheso

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Kamore ea Mosebetsi e Matla Lesoba la Cable Sensor ea mocheso le mongobo

Mefuta e Meholo ea Mocheso le Litefiso tse Laolehang tsa Ramp

Lisebelisoa tsa ho potoloha mocheso tsa LIB Industry li fana ka maemo a mocheso a pakeng tsa -70°C le +150°C, a koahelang fensetere ea -40°C ho isa ho +85°C ka mokhoa o bonolo o laetsoeng ke IEC 61215. Litekanyo tsa ho phahama ha mocheso li ka khethoa ho 5°C, 10°C, kapa 15°C ka motsotso, e leng se nolofalletsang baenjiniere ho bapisa liprofaele tsa liteko le boemo bofe kapa bofe ba leholimo ntle le liphetoho tsa hardware. Phetoho ea mocheso e tšoaroa ka hare ho ±0.5°C le ho kheloha ka hare ho ±2.0°C - ho nepahala ho bohlokoa bakeng sa liphetho tse ka phetoang, tse lumellanang le maemo.

Meqolo ea Kamore e ka Atolosoang bakeng sa Teko ea Mojule ea Boholo bo Felletseng

LIB e fana ka dibolumo ho tloha ho 100 L ho isa ho 1000 L le ho feta - ho kenyeletswa le ditlhophiso tse ikgethileng tsa 2000 L le 3000 L - e amohela ntho e nngwe le e nngwe ho tloha ho di-coupon tse nyane tsa thepa ho isa ho di-module tsa photovoltaic tsa disele tse 72 tse kgolo ka botlalo.

Polokeho, Kgokelo, le Ditlhophiso tse Ikgethileng

Mong le e mong mochini oa ho palama baesekele o futhumatsang e kenyelletsa tshireletso ya mocheso o feteletseng, tshireletso ya motlakase o feteletseng, tshireletso ya kgatello e phahameng ya sehatsetsing, le tshireletso ya ho dutla ha lefatshe. Lemati le fensetere ya ho shebella e sa phatloheng, sesebelisoa sa ho lemoha mosi se nang le buzzer, le sistimi ya ho fafatsa metsi di fana ka dikarolo tse ding tsa polokeho. Ditaolo tsa skrine ya ho ama ya LCD tse hokahantsweng ka Ethernet di nolofalletsa tlhokomelo e hole le kopanyo e se nang sekoli le ditsamaiso tsa taolo ya tlhahisoleseding ya laboratori. Masoba a thapo (50 mm / 100 mm / 200 mm) a nang le di-silicone plugs tsa tsela ya sensor le dithapo tsa motlakase sebakeng sa teko ntle le ho beha botshepehi ba mocheso kotsing. Dikai tse ikgethang tse sebetsanang le boholo bo ikgethang ba disampole kapa ditlhaloso tsa tshebetso di a fumaneha ha di kopuwa.

 

fihlela qeto e


Teko ea ho palama baesekele ea mocheso e eme e le lejoe la motheo la ho tšoaneleha ha phanele ea letsatsi, e senola mekhoa ea ho senyeha e bakoang ke mokhathala e sokelang tlhahiso ea matla a nako e telele. Ka ho beha li-module ho likete tsa li-ramp tse laoloang tsa mocheso, baenjiniere ba khetholla manonyeletso a solder a kotsing, li-interface tsa encapsulant, le likhokahano tsa motlakase pele lihlahisoa li kena tšimong. Ho latela IEC 61215 - le ho latela melaoana e atolositsoeng ea ho palama baesekele - ho netefatsa hore li-module li fihlela litebello tsa ts'epo tse kentsoeng litiisetsong tsa ts'ebetso ea lilemo tse 25. Lisebelisoa tsa ho palama baesekele tsa mocheso tse hahiloeng ka morero tse nang le taolo e nepahetseng ea ramp, mefuta e mengata ea mocheso, le bophahamo bo ka atolosoang li matlafatsa bahlahisi ba PV ho fana ka liphanele tse sebetsang ka mokhoa o tsitsitseng ho pholletsa le maemo a leholimo a hlokang haholo lefatšeng.

 

LBH


IEC 61215 e hloka mocheso o mokae bakeng sa potoloho ea mocheso oa phanele ea letsatsi?

IEC 61215 e totobatsa ho palama ha koloi pakeng tsa -40°C le +85°C. Dimojule di tlameha ho qeta dipotoloho tse 200 (TC200) mme di bontshe ho senyeha ha matla ho fetang 5% hammoho le ho se be le diphoso tse tebileng tsa pono.

Ke hobane'ng ha mekhoa e atolositsoeng ea ho potoloha ha mocheso (TC400, TC600) e ntse e tuma?

Mekhoa e atolositsoeng e pepesa mekhoa ea ho hloleha ho fela - joalo ka mokhathala o tsoetseng pele oa solder le delamination e kentsoeng - tse lulang li sa bonahale ka har'a lengolo la maemo a tloaelehileng la potoloho ea 200, li khotsofatsa litlhoko tse thata tsa ho ba le banka ho tsoa ho bafani ba lichelete ba projeke.

Na likamore tsa ho palama baesekele tsa mocheso tsa LIB Industry li ka amohela li-module tsa PV tse boholo bo felletseng?

LIB e fana ka bophahamo ba kamore bo fihlang ho 1000 L ka mehlala e tloaelehileng le 2000 L kapa 3000 L ka ditlhophiso tse ikgethileng, e fanang ka sebaka se seholo sa kahare bakeng sa di-module tsa photovoltaic tsa boholo bo felletseng tsa disele tse 60 kapa disele tse 72.

Ho hlokahala motho ea tšepahalang lisebelisoa tsa libaesekele tse futhumetseng mohlahisi le mofani oa thepa bakeng sa laboratori ea hau ea liteko tsa phanele ea letsatsi? LIB Industry e fana ka litharollo tsa liteko tsa tikoloho tse fetohang - ho tloha moralo le tlhahiso ka ho kenya le ho koetlisa. Ikopanye le rona ho ellen@lib-industry.com ho buisana ka litlhoko tsa hau tsa tlhahlobo ea ho tšoarella ha mojule oa PV.