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Seminara ea 2026 ea PNTTECH ea Lehlaka la Indasteri ea Letsatsi e fihlile sephethong se atlehileng.
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Seminara ea 2026 ea PNTTECH ea Lehlaka la Indasteri ea Letsatsi e fihlile sephethong se atlehileng.

2026-07-21
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Ha merero ea photovoltaic e ntse e hola ka potlako 'me e sebetsa libakeng tse thata, ts'ebetso ea karolo e 'ngoe le e 'ngoe ea bohlokoa - haholo-holo meralo ea motheo ea cable e jarang matla a DC ho pholletsa le sehlopha. Kopano ea morao tjena ea indasteri ea letsatsi ea PNTTECH e kopantse baemeli ba fetang 250, baenjiniere, bafepedi le baetapele ba indasteri ho hlahloba hore na moralo o betere oa sistimi o ka ntlafatsa katleho joang, ho tšoarella le boleng ba projeke ea nako e telele. Lipuisano li ne li shebane le tsoelo-pele e sebetsang joalo ka 1500V Meralo ea DC, e ka fokotsang tahlehelo ea motlakase ka ho fihlela ho 2.5%, le tlhoko e ntseng e hola eaThapo ea Letsatsi ditharollo tse ka mamellang ho pepesehela mahlaseli a kotsi a UV, mongobo le mocheso ho tloha ho -40°C ho isa ho +90°C nakong ya bophelo ba tshebeletso ya dilemo tse 25.

Kakaretso ea Seminara ea Indasteri ea Letsatsi ea PNTTECH

Haufinyane re phethetse Seminara ea Lehlaka la Indasteri ea Letsatsi ea PNTTECH ea 2026 e neng e lebelletsoe haholo, ketsahalo e ileng ea tšoaea ntlha ea bohlokoa bakeng sa litsebi tsa matla a nchafatsoang lefatšeng ka bophara. Re bokane sebakeng se seholo, se bulehileng se bonts'ang ka botlalo boitlamo ba rona tikolohong ea tlhaho, baetapele ba indasteri, baenjiniere ba tekheniki le bafani ba lefats'e ba ile ba bokana ho arolelana temohisiso ea bohlokoa mabapi le phetoho e potlakileng. sebaka sa photovoltaicSepakapaka se ne se tletse tšepo ha barupeluoa ba ntse ba buisana ka botebo mabapi le tsela ea nakong e tlang ea liphetoho tsa matla a lefats'e.

Semelo le Morero oa Ketsahalo

Ketsahalo ena e qalile semmuso ha Monghadi Shen wa Khamphani ya PNTECH a ne a nka sethala ho fana ka puo e kgahlehang le e nang le pono e ntle. O ile a amohela ka mofuthu mme a leboha baeti bohle ba neng ba le teng ka tieo, a hatisa sepheo sa rona se kopaneng sa ho ntshetsa pele tlhahiso ya motlakase e tsitsitseng. O hlalositse tshepo e tiileng ya hore salon ena e tla theha sethala sa puisano se sebetsang hantle, e kopanye matla a indasteri a fapaneng, mme e hlahlobe mmoho lewatle le letjha le leputswa la di-photovoltaic. Mantswe a hae a qalang a ile a kenya tshepo e felletseng ketsahalong ena, a beha modumo wa tshebedisano-mmoho le wa ho nahana ka bokamoso bakeng sa baemedi ba fetang 250 ba neng ba etetse ho tloha lefatsheng lohle ho ya nka karolo sebokeng sena sa mawa.

Lihlooho tsa Bohlokoa tse Buisanoang

Ho pholletsa le seminara ena, diphanele tsa rona tse ikgethang di ne di tsepamisitse maikutlo haholo hodima meralo ya motheo e hlokahalang ho tshehetsa dipolante tsa motlakase tsa motlakase wa motlakase wa moloko o latelang. Sehlooho sa bohlokwa le se phetaphetoang e ne e le ntlafatso e potlakileng ya bokgoni ba phetisetso ya hona jwale ka kotloloho ho pholletsa le li-aspara tse kholo tsa letsatsi. Litsebi tsa tekheniki li totobalitse hore ho ntlafatsa lits'ebetso tsa sejoale-joale tsa 1500V DC ho ka fokotsa tahlehelo ea motlakase ka kakaretso ho fihlela ho 2.5% ha ho bapisoa le meralo ea khale ea 1000V, e leng phaello e kholo ts'ebetsong ea boholo ba lits'ebeletso. Ka lebaka leo, tlhoko ea nako e telele le e sebetsang hantle haholo thapo ea letsatsi Litharollo li ile tsa laola lipuisano tsa botekgeniki. Re boetse ra hlahloba mekhoa e hlahang mapolasing a letsatsi a phaphametseng le tlhokahalo ea bohlokoa bakeng sa terata e tsoetseng pele e hanelang mahlaseli a kotsi a ultraviolet e kgonang ho mamella kgatello e feteletseng ya tikoloho ka dilemo tse mashome tsa tshebediso e tswelang pele.

Litlhaloso le Litlhaloso tsa Cable ea Letsatsi

Litlhaloso le Litlhaloso tsa Cable ea Letsatsi

Ntlha e kholo eo re ithutileng eona lithutong tsa rona tse shebaneng le botekgeniki e bile tlhoko e felletseng ea ho utloisisa litlhaloso tse nepahetseng tsa likarolo pele re qala morero ofe kapa ofe o mocha. Ha re ntse re rala li-aspara tsa letsatsi tse kholoanyane, tse rarahaneng haholoanyane, le tse sebetsang hantle haholo, mantsoe le litekanyo tsa ts'ebetso ea terata e ka tlase li ba bohlokoa haholo katlehong le polokehong ea ho kenya.

Melao ea Cable ea Letsatsi ea Core

Ha re buisana ka tekanyetso thapo ea letsatsi, re bua ka ho khetheha ka terata e khethehileng e entsoeng ka ho khetheha bakeng sa lehlakore la hona joale le tobileng la sistimi ea photovoltaic. Ho fapana le lithapo tse tloaelehileng tsa moaho oa motlakase, lithapo tsena tse tsoetseng pele li sebelisa polyolefin e hokahaneng ka tsela e fapaneng (XLPO) bakeng sa ho kenya mocheso le ho koahela ka ntle. Thepa ena e ikhethang e fana ka khanyetso e ikhethang khahlanong le ho senyeha ha ozone, mahlaseli a matla a UV, le liphetoho tse feteletseng tsa boemo ba leholimo. Re sebelisa khafetsa li-conductor tsa koporo tse entsoeng ka makotikoti tse nang le lithapo tse ntle lits'ebetsong tsena ho thibela oxidation le ho netefatsa hore ho na le phetisetso e phahameng ka ho fetisisa ea nako e telele libakeng tse mongobo. Litekanyetso tsa indasteri li laela hore likhoele tsena li lokela ho boloka botšepehi ba tsona ba 'mele le ba motlakase bakeng sa bonyane nako ea ts'ebetso ea lilemo tse 25, li tšoarelle maemong a feteletseng a mocheso ho tloha ho -40°C ho isa ho +90°C ntle le ho senyeha ho hoholo.

Tataiso ea Papiso ea Litlhaloso

Ho thusa baenjiniere, batsamaisi ba merero le lihlopha tsa theko ho etsa liqeto tse nang le tsebo, re hlophisitse tataiso ea papiso ea litlhaloso e thehiloeng ho tekanyetso e thata ea EN 50618 (H1Z2Z2-K) e tšohliloeng ka botlalo nakong ea seminara. Ho khetha sebaka se nepahetseng sa karolo e tšekaletseng ho bohlokoa haholo bakeng sa ho fokotsa ho theoha ha motlakase le ho thibela ho imeloa ho kotsi ha mocheso tsamaisong.

Moseho Tekanyo e Phahameng ea Hona Joale (ho 60°C) Khanyetso e Phahameng ea Mokhanni (ho 20°C) Bophara ba Bophara ba Kantle
4.0 mm² 55 A 5.09 Ω/km 5.4 - 6.6 mm
6.0 mm² 70 A 3.39 Ω/km 6.0 - 7.4 mm
10.0 mm² 98 A 1.95 Ω/km 7.2 - 8.8 mm

Bakeng sa boholo ba meaho ea marulelo a matlo le a khoebo, mofuta oa 4.0 mm² o fana ka tekano e ntle ea ho tenyetseha ha 'mele, katleho ea litšenyehelo, le bokhoni bo lekaneng ba ho jara motlakase. Leha ho le joalo, li-mount tsa fatše tse sebetsang moeling o phahameng oa 1500V DC hangata li hloka Likhoele tsa 6.0 mm² kapa 10.0 mm² ho laola ka mokhoa o sireletsehileng amperage e eketsehileng le ho fokotsa tahlehelo ea motlakase libakeng tse telele haholo tsa phetisetso.

Tataiso e Sebetsang bakeng sa Bareki ba Cable ea Letsatsi

Ho tloha ho litlhaloso tsa tekheniki ho ea ho maano a sebetsang a theko, seminara ea rona e phethetsoe ka likeletso tse sebetsang haholo bakeng sa batsamaisi ba ketane ea phepelo le lihlopha tsa ho kenya sebakeng seo. Ho fumana likarolo tse tšepahalang ka tekanyo e kholo ho bohlokoa joalo ka ho utloisisa ka botlalo litšobotsi tsa tsona tsa motlakase.

Mehopolo ea ho Fumana le ho Kenya

Ha o batla ka mafolofolo sesebelisoa sa boleng bo holimo thapo ea letsatsi, re eletsa ka matla bareki ho ela hloko lithibelo tsa thepa le litlhoko tsa 'mele tsa ho kenya. Bongata bo tloaelehileng ba odara (MOQs) indastering ea tlhahiso ea lefats'e hangata bo qala ho limithara tse 5,000 ka tlhaloso, leha ho kopa mebala ea jase e ikhethileng kapa lihlomo tse khethehileng tse sa keneng litoeba ho ka sutumelletsa moeli ona habonolo ho limithara tse 10,000 kapa ho feta. Linako tsa tlhahiso li ka fetoha haholo, ka kakaretso li oela pakeng tsa libeke tse 3 ho isa ho tse 6 ho latela ho fumaneha ha koporo e tala e sa fetoheng le tšubuhlellano ea ho romela thepa lefatšeng ka bophara. Nakong ea ts'ebetso ea 'nete ea ho kenya, basebetsi ba fatše ba tlameha ho latela ka tieo melaoana ea ts'ebetso ea moetsi. Mohlala, ho boloka radius e kobehileng bonyane makhetlo a 4 ho feta bophara ba kantle ba cable ho hlokahala haholo ho thibela ho petsoha ho sa bonahaleng ha insulation ea XLPO, e leng se ka lebisang liphosong tse kotsi tsa mobu.

Mokhoa oa ho Lekola Balekane ba Cable ea Letsatsi

Ho lekola molekane oa tlhahiso ea ka moso ho hloka ho teba ho shebang hole haholo le theko e boletsoeng qalong ka mithara. Re khothaletsa ho hlahloba ka botlalo bafepedi ba ka bang teng ho latela sekhahla sa bona sa liphoso tsa tlhahiso tse ka netefatsoang, tse lokelang ho lula li le ka tlase ho moeli oa 0.1% bakeng sa merero ea meralo ea motheo ea boleng ba lits'ebeletso. Ho feta moo, molekane ea nang le botumo bo botle oa tlhahiso o tlameha ho fana ka litokomane tse felletseng tsa liteko tsa motho oa boraro habonolo. Sena se kenyelletsa TÜV Rheinland ea morao-rao kapa Ul 4703 disetifikeiti, tse pakang ka ho hlaka hore dihlahiswa tsa tsona di fetile diteko tse matla tsa ho thibela malakabe le diteko tsa mamello ya mocheso tse sebetsang ho 120°C ka dihora tse 20,000 tse tswelang pele. Ka ho beha pele ditaolo tsena tse thata tsa boleng le ho theha mehala e pepeneneng haholo ya puisano le bafepedi, dihlopha tsa theko di ka fokotsa dikotsi tsa tlhokomelo ya nako e telele ka katleho, tsa netefatsa ho latela melao, le ho netefatsa ho tswela pele ha ditjhelete tsa matsete a tsona a matla a ntjhafatswang nakong ya dilemo tse mashome tsa bophelo ba tsona.

Lintlha tsa Bohlokoa

  • Lekola meralo ea sistimi ea 1500V DC bakeng sa merero ea boholo ba lits'ebeletso hobane e ka fokotsa tahlehelo ea motlakase ka ho fihla ho 2.5% ha e bapisoa le meralo ea 1000V.
  • Hlalosa likhoele tsa letsatsi tse nang le sekwahelo sa XLPO le jakete ea kantle ho ntlafatsa khanyetso khahlanong le mahlaseli a UV, ozone le ho pepesehela boemo ba leholimo bo bobe.
  • Sebelisa li-conductor tsa koporo tse nang le likhoele tse tšesaane libakeng tse mongobo kapa tse kantle tsa PV ho fokotsa kotsi ea oxidation le ho tšehetsa ho khanna ha motlakase nako e telele.
  • Rera ho reka thapo ea PV bonyane lilemo tse 25 tsa ts'ebetso ho lekana le litebello tsa ho tšoarella ha thepa ea sejoale-joale ea letsatsi.
  • Netefatsa hore likhoele tsa letsatsi tse khethiloeng li ka sebetsa ho tloha ho -40°C ho isa ho +90°C pele li kenngoa maemong a leholimo a feteletseng kapa libakeng tse hlokang ho kenngoa ho lekaneng.
  • Bakeng sa lits'ebetso tsa letsatsi tse phaphametseng le tse ling tse pepesehileng, ela hloko lithapo tse tsoetseng pele tse hanelang UV tse etselitsoeng lilemo tse mashome tsa khatello ea tikoloho.

Lipotso Tse Botsoang Khafetsa

Sepheo se seholo sa Seminara sa 2026 sa Lehlaka la Indasteri ea Letsatsi sa PNTTECH e ne e le sefe?

Seminara e ne e shebane le mekhoa ea indasteri ea photovoltaic, haholo-holo ts'ebetso ea lithapo tsa letsatsi, katleho ea phetiso ea DC, ntlafatso ea sistimi ea 1500V, le litharollo tsa terata tse tšoarellang bakeng sa lits'ebetso tse kholo le tse ntseng li hlaha tsa letsatsi.

Ke hobane'ng ha likhoele tsa letsatsi li le bohlokoa litsamaisong tsa photovoltaic?

Lithapo tsa letsatsi li jara motlakase o tobileng ho tsoa ho li-module tsa PV 'me li tlameha ho mamella ho pepesehela mahlaseli a kotsi a UV, ozone, mongobo le mocheso o feteletseng ha li ntse li boloka phetiso ea motlakase e sireletsehileng le e sebetsang hantle ka mashome a lilemo.

Mekhoa ea 1500V DC e ka fana ka melemo efe ho feta mekhoa ea 1000V?

Ho ea ka lipuisano tsa seminare, meralo ea sejoale-joale ea 1500V DC e ka fokotsa tahlehelo ea motlakase ka kakaretso ho fihlela ho 2.5% ha e bapisoa le litsamaiso tsa khale tsa 1000V mererong ea letsatsi ea lisebelisoa.

Ke thepa efe e atisang ho sebelisoa likhoeleng tsa letsatsi tsa boleng bo holimo?

Likhoele tsa letsatsi tsa boleng bo holimo hangata li sebelisa li-conductor tsa koporo tse nang le likhoele tse tšesaane tse nang le sekwahelo sa polyolefin se hokahaneng le jakete ho ntlafatsa ho tsamaisa motlakase, ho hanyetsa oxidation, ho hanyetsa UV le ho tšoarella ha boemo ba leholimo.

Likhoele tsa letsatsi li lokela ho nka nako e kae ha ho kenngoa PV?

Litebello tsa indasteri li totobalitsoe pitsong ea seminara ea hore likhoele tsa letsatsi li boloke botsitso ba 'mele le ba motlakase bonyane lilemo tse 25 tlas'a maemo a thata a ts'ebetso ea kantle.