Tharollo ea Sehokelo sa Polokelo ea Matla sa PNTech: Ho ikamahanya le karolo ea 'maraka o ntseng o hola, ho matlafatsa maemo a macha a polokelo ea photovoltaic le ho tjhaja

Ha merero ea polokelo ea matla a letsatsi le letsatsi e ntse e atoloha ho tloha marulelong ho ea libakeng tsa ho tjhaja tsa khoebo, ho tšepahala ha khokahano e 'ngoe le e 'ngoe ea DC ho fetoha bothata ba polokeho le ts'ebetso ea pele. Katoloso ea Letsatsi cable ha se feela sesebelisoa; ke borokho bo tsamaisang tlhahiso ea PV ea motlakase o phahameng ka mocheso, ho pepesehela UV, mongobo le khatello ea mechine. Sengoloa sena se hlalosa kamoo litharollo tsa cable le lihokelo tse kopantsoeng esale pele tsa PNTech li tšehetsang lits'ebetso tsa polokelo le ho tjhaja tsa photovoltaic, hore na ke hobane'ng ha mangolo a netefatso a kang UL 4703, IEC 62852, le TÜV 2 PfG a le bohlokoa, le hore na ba kenyang ba lokela ho nahana joang ka boholo ba conductor, litekanyetso tsa motlakase, ho lumellana ha sehokelo, le phapang e hlakileng lipakeng tsa terata ea katoloso ea PV le li-harnesses tse lehlakoreng la betri.

Litharollo tsa Sehokelo sa Cable ea Katoloso ea Letsatsi sa PNTech

Litsamaiso tse tšepahalang tsa photovoltaic (PV) le polokelo ea matla li hloka meralo ea motheo e matla ea lithapo. Moralo o felletseng oa sistimi o akaretsa maemo a fapaneng: likhoele tsa katoloso ea li-solar array tsa kantle le li-harnesses tsa banka ea betri ea kahare. Ho bohlokoa ho utloisisa phapang ena esale pele: Cable ea Katoloso ea Pvs e tsamaisa DC e nang le motlakase o phahameng ho tsoa liphanele 'me hangata e sebelisa lihokelo tse lumellanang le MC4, athe li-harnesses tsa betri li sebetsana le likhokahano tsa polokelo tse nang le motlakase o phahameng, tse nang le motlakase o tlase tse nang le likotsi tse ikhethang tsa motlakase o nang le liphoso. Ho fihlela litlhoko tsena tse fapaneng, PNTech e fana ka pokello e felletseng ea lintho tse kopantsoeng esale pele.likhoele tsa letsatsi le lihokelo tsa polokelo ea matla. Li entsoe ka likhetho tse khethehileng tsa jakete bakeng sa libaka tse feteletseng, litharollo tsa PNTech li fihlela litifikeiti tse thata—tse kang IEC 62852, le TÜV 2 PfG—ho netefatsa hore ho kenngoa ho hong le ho hong ho sebetsa ka mokhoa o sireletsehileng le ho latela maemo a indasteri.

Karolo ho Mekhoa ea Polokelo ea Matla a Photovoltaic

Ka har'a sistimi ea sejoale-joale ea polokelo ea matla a PV, kopano ea cable e atolositsoeng e sebetsa e le borokho ba bohlokoa pakeng tsa li-solar array le balaoli ba tjhaja. Hobane likopano tsena li kenyelletsa lihokelo tse hoketsoeng esale pele, tse lumellanang le MC4, li etselitsoe ho fokotsa tahlehelo ea phetisetso, ho netefatsa hore matla a DC a mangata a fihla ho inverter. Thapo e sa hlalosoang hantle e ka hlahisa khanyetso e kholo, e lebisang tlhahisong ea mocheso le phokotsong ea bokhoni.

Likopano tsa boleng bo holimo li fana ka likhokahano tse sireletsehileng tse nang le khanyetso e tlase ea ho kopana le litekanyetso tse loketseng tsa matla a ho kenya le ho hula, ho thibela litšitiso tsa motlakase nakong ea mahlaseli a letsatsi a phahameng. Litsamaiso tsa DC tsa motlakase o phahameng le tsona li hlahisa likotsi tse kholo tsa phoso ea arc; ka hona, ho khaoloa ha li-arc tse lekantsoeng hantle le tšireletso ea motlakase o feteletseng ke tsa bohlokoa, haholo-holo lits'ebetsong tse kopaneng tsa PV le tsa polokelo. Ka ho sebelisa li-conductor tsa koporo tse nang le bohloeki bo phahameng, matla a fetisetsoa ka katleho. Lits'ebetsong tsa khoebo, likopano tsena li tlameha ho amohela litlhoko tse rarahaneng tsa DC tse kang meeli ea ho kopanya likhoele, lintlha tse tiileng tsa ho fokotsa likhoerekhoere, le taolo e nepahetseng ea ho theoha ha motlakase.

Melao ea Bohlokoa ea Lithapo tsa Mohala bakeng sa Polokelo ea Matla a Malapa

Ho tsamaea ka sekepe matla a letsatsi le polokelo ea matlo Ho hloka ho utlwisisa mantswe a bohlokwa a ho kenya dithapo, ho qala ka boholo ba khomphutha, boo hangata bo lekanngwang sebakeng se tshekaletseng (mm²) kapa se lekanang le American Wire Gauge (AWG). Disete tse tlwaelehileng tsa PV tsa bodulo hangata di sebedisa dikhomphutha tsa 4.0 mm² kapa 6.0 mm² ho latela motlakase o moholo wa inverter. Bakeng sa lehlakoreng la polokelo, mehopolo ya bohlokwa e kenyeletsa ho bapisa motlakase wa bese ya betri le ho kgomarela ditlhaloso tse nepahetseng tsa torque ya ring-terminal ho thibela dibaka tse chesang tse hanyetsanang haholo.

"Motlakase o tloaelehileng" oa sistimi—hangata e le 1000V DC kapa 1500V DC bakeng sa marulelo a sejoale-joale—o laola tekanyo ea ho kenya mocheso e hlokahalang ho hokahana ka mokhoa o sireletsehileng le meralo ea motheo e seng e ntse e le teng. Ho feta moo, mokhoa oa ho notlela oa 'mele kopanong ea cable o tlameha ho lumellana le lisebelisoa tsa ho kopanya. Ho utloisisa ho lumellana ha sehokelo ho bohlokoa ho tiisa likhokahano khahlanong le boemo ba leholimo le khatello ea mechini. Ba kenyang ba tlameha ho hlokomela ka ho hlaka hore lihokelo tse "tsamaellanang le MC4" tse tsoang ho bahlahisi ba fapaneng ha li sebelisane ka kakaretso; ho kopanya likarolo tsa 'nete tsa Stäubli MC4 le li-clone tsa motho oa boraro ho ka tlōla melao ea motlakase, ha hlakola litiisetso, le ho hlahisa likotsi tse kholo tsa mollo.

Litlhaloso tsa Cable ea Katoloso ea Letsatsi tse Bohlokoa

Ho lekola litlhaloso tsa tekheniki tsa meralo ea motheo ea terata ho bohlokoa bakeng sa katleho ea ts'ebetso ea nako e telele. Ho khetha liparamente tse nepahetseng ho ama ka kotloloho tlhahiso ea matla, polokeho ea tlhaho, le bophelo ba ts'ebetso eohle. Ho hlokomoloha liparamente tsena ho ka lebisa ho senyeha ha mocheso oa insulation, khanyetso e eketsehileng, le nako e jang nako ea ho se sebetse ha sistimi.

Bokgoni ba Hona Jwale le Saese ya Cable

Bokgoni ba ho jara ha jwale, kapa boholo ba motlakase, ke tekanyo ya motheo e sebediswang ho fumana boholo bo nepahetseng ba thapo. Ha ho lekanngwa sistimi, mokhanni o tlameha ho sebetsana ka polokeho le phallo e kgutshwane ya potoloho ya letsatsi e atisitsweng ka ntlha ya polokeho (hangata ho tloha ho 1.25 ho isa ho 1.56 ho latela dikhoutu tsa motlakase tsa lehae).

Ka tlase ke tafole e bapisang e bonts'ang bokhoni bo tloaelehileng ba boholo ba likhoele tsa polyolefin tse hokahaneng ka sefapano (XLPO) ho latela tekanyetso ea mocheso o tloaelehileng oa 60°C:

Ela Hloko: Lipalo tsa boholo ba motlakase tse fanoeng ke mekhahlelo ea motheo e nkang tekanyo e itseng ea mocheso oa conductor (mohlala, 90°C) le motheo oa moea o lokolohileng, eseng ho latela melao ea bokahohle. Litšebeliso tsa ho pata ka kotloloho, meeli ea ho tlatsa likhoerekhoere, ho kopanya lithapo, bophahamo bo phahameng, le ho hanyetsa mocheso oa mobu kaofela li hloka ho fokotseha ho eketsehileng ho feta motheo o le mong oa tikoloho oa 60°C o bontšitsoeng. Kamehla sheba likhoerekhoere tsa motlakase tse sebetsang bakeng sa meeli e nepahetseng ea matla a motlakase ho latela litekanyetso tse itseng tsa mocheso oa conductor le mekhoa ea ho kenya.

Ka ho sheba dimethara tsena le ho sebedisa dintlha tse hlokahalang tsa ho fokotsa motlakase, terata e kgethilweng e fokotsa ho theoha ho hoholo ha motlakase nakong ya ho sebetsa ha nako e telele, e leng se bolokang sistimi e sebetsa ka hara diparamente tse ntle.

Litšenyehelo tsa Polokeho, Ho Tšoarella, le ho Kena

Ho leka-lekanya polokeho, ho tšoarella tikolohong, le bonolo ba ho kenya ho hloka boenjiniere bo hlokolosi ba thepa. Lisebelisoa tse hokahaneng ka li-electron-beam li fana ka likhoele tse nang le botsitso bo ikhethang ba mocheso, tse li lumellang ho sebetsa ka ho tsoelang pele maemong a mocheso o feteletseng ho tloha ho -40°C ho fihlela ho +90°C, le ho mamella li-spikes tsa nako e khuts'oane ho fihlela ho 120°C.

Leha ho le jwalo, ho na le phapanyetsano ya tlhaho pakeng tsa ho tshwarella ho hoholo le ho tenyetseha ha ho kenngwa. Dijakete tse teteaneng, tse nang le dihlomo tse ngata di fana ka kganyetso e hodimo ya UV le ozone bakeng sa ditikoloho tse thata tsa kantle, empa di hloka mahlaseli a maholo a kobehileng. Ho etsa hore sena se sebetse, bahlomi ba lokela ho boloka radius e kobehileng ya bonyane makgetlo a 4 ho isa ho a 6 ho feta bophara ba kantle ba thapo. Bakeng sa di-envantage tse tiileng tsa inverter tsa matlo, tse matla Ho thibela boemo ba leholimo ka tekanyo ea IP68—e sebetsang ka ho khetheha ho dikopano tsa kgokelo tse kopaneng ka botlalo ho ena le jakete ya thapo feela—e tlameha ho leka-lekana ka ho tenyetseha ho lekaneng ha thapo ho thibela kgatello e sa hlokahaleng ya mechini manonyellong le di-terminal.

Mokhoa oa ho Khetha Cable e Nepahetseng ea Katoloso ea Letsatsi ea PNTech

Ho khetha meralo ea motheo e metle ea terata ho hloka mokhoa o hlophisitsoeng o etselitsoeng liparamente tse itseng tsa projeke. Ebang ke ho lokisa setsi se seholo sa khoebo kapa setaele se senyenyane sa bolulo, ts'ebetso ea theko e tlameha ho netefatsa ho lumellana le ts'ebetso. Bakeng sa ho kenngoa ha lisebelisoa tse kholo, ho totobatsa mebala ea jase e ikhethileng ea PNTech kapa bolelele bo khethehileng e netefatsa hore litlhoko tse nepahetseng tsa meralo le polokeho lia fihlelleha ntle le ho beha botšepehi ba motlakase kotsing.

Mehato ea Khetho e Sebetsang ka Tekanyo ea Tšebeliso

Ts'ebetso ea khetho e qala ka ho bala motlakase o lebeletsoeng ka ho fetisisa le ho lekanya sebaka sa 'mele pakeng tsa li-array tsa letsatsi le inverter. Sena se lumella ho bala ho theoha ha motlakase ho lebeletsoeng. Ho e-na le molao o sa reng letho oa "boloka ka tlase ho 2%", ba kenyang ba lokela ho sebelisa foromo e tloaelehileng ea ho theoha ha motlakase oa DC: Ho theoha ha Motlakase (V) = (2 × Bolelele ka km × Hona jwale ho A × Khanyetso ya Cable ho Ω/km)Mohlala, ho matha ka limithara tse 50 (0.05 km) ho nkile 20A ho 6.

Lintlha tsa Bohlokoa

• Hlalosa dikheibole tsa katoloso ya PV le di-harnesses tsa betri ka thoko hobane terata ya di-array tsa motlakase o phahameng le terata ya polokelo ya motlakase o phahameng di na le ditlhoko tse fapaneng tsa sehokelo, tshireletso le diphoso tsa motlakase.
• Sebelisa likarolo tse netefalitsoeng tse kang terata ea UL 4703 PV, lihokelo tsa IEC 62852, le meralo ea cable ea TÜV 2 PfG ho ts'ehetsa ts'ebetso e sireletsehileng ea kantle le lits'ebetso tse lumellanang le khoutu.
• Khetha boholo ba conductor bo kang 4.0 mm² kapa 6.0 mm² feela ka mora ho hlahloba motlakase o kenang ka inverter, bolelele ba thapo, ho theoha ha motlakase, le mabaka a ho kgaotsa ho kenngwa ha motlakase.
• Netefatsa ho lumellana ha sehokelo ho e-na le ho nahana hore lihlahisoa tsohle tse lumellanang le MC4 li ka kopanngoa, kaha lihlahisoa tse tsoakiloeng li ka baka khoutu, waranti le likotsi tsa polokeho ea mollo.
• Laola khanyetso sebakeng se seng le se seng sa kgokelo ka dihokelo tse sa kgomareleng ka ho teba, mekgwa e nepahetseng ya ho notlela, le torque e nepahetseng ya terminal ho fokotsa ho futhumatsa le tahlehelo ya motlakase.

Lipotso Tse Botsoang Khafetsa

Thapo ea katoloso ea letsatsi e sebelisetsoa eng?

Thapo ea katoloso ea letsatsi e tsamaisa matla a DC a motlakase o phahameng ho tloha ho li-module tsa PV ho ea ho balaoli ba li-charge, li-inverter, kapa mabokose a kopanyang. E atolosa lithapo tsa mohala ha e ntse e boloka likhokahano tse sireletsehileng, tse hanelang boemo ba leholimo ha li lekantsoe hantle 'me li netefalitsoe.

Thapo ea katoloso ea PV e fapane joang le harness ea betri?

Hangata dikheibole tsa katoloso tsa PV di jara DC e nang le motlakase o phahameng ho tswa diphanele tsa letsatsi mme di sebedisa dihokelo tse tsamaellanang le MC4. Dihokelo tsa betri di sebetsana le dikgokelo tsa polokelo tse nang le motlakase o tlase le motlakase o phahameng mme di hloka di-terminal tse fapaneng, taolo ya torque, le tshireletso ya motlakase o fosahetseng.

Ke mangolo afe a bohlokoa bakeng sa likhoele tsa katoloso ea letsatsi?

Litifikeiti tsa bohlokoa li kenyelletsa TUV bakeng sa terata ea PV, IEC 62852 bakeng sa lihokelo, le TÜV 2 PfG bakeng sa ts'ebetso ea cable ea photovoltaic. Tsena li thusa ho netefatsa ho thibela mocheso, ho tšoarella le polokeho tlas'a maemo a letsatsi a kantle.

Ke boholo bofe ba cable bo tloaelehileng bakeng sa litsamaiso tsa letsatsi tsa bolulo?

Mekhoa e mengata ea PV ea bolulo e sebelisa li-conductor tsa 4.0 mm² kapa 6.0 mm², ho latela motlakase oa inverter, bolelele ba cable, meeli ea ho theoha ha motlakase, mokhoa oa ho kenya, le litlhoko tsa khoutu ea motlakase ea lehae.

Na lihokelo tsohle tse lumellanang le MC4 li ka kopanngoa hammoho?

Che. Ho tsamaisana le MC4 ha se kamehla ho bolelang hore ho ka fapanyetsanoa. Ho kopanya lihokelo tsa 'nete tsa MC4 le li-clone tsa motho oa boraro ho ka tlōla likhoutu, ha hlakola liwaranti, le ho eketsa kotsi ea mollo kapa arc-fault.