Mokhoa oa ho khetha li-Cables tse nepahetseng tsa Solar DC

Ho khetha likhoele tse nepahetseng tsa letsatsi ho fetola sistimi ea hau ea matla a letsatsi hore e be setsi sa matla sa ts'ebetso le polokeho. U tšoara senotlolo sa ho notlolla ts'ebetso e nepahetseng ka ho khetha likhoele tse lumellanang le litlhoko tsa sistimi ea hau. Khetho e nepahetseng e tiisa hore matla a phalla ka mokhoa o tsitsitseng, ho fokotsa tahlehelo le ho matlafatsa botšepehi. Qeto ea hau ha e ame feela ts'ebetso ea hona joale empa hape le ho tšoarella ha nako e telele ha seta ea hau. Amohela matla a liqeto tse nang le tsebo 'me u shebelle matsete a hau a letsatsi a khanya le ho tšoarella nako e telele.

Lintlha tsa bohlokoa

• Ho khetha lithapo tse nepahetseng tsa letsatsi tsa DC ho bohlokoa bakeng sa ho eketsa ts'ebetso le polokeho ea sistimi ea hau ea matla a letsatsi.
• Netefatsa ho tsamaellana lipakeng tsa likhoele tsa letsatsi le likarolo tsa sistimi ka ho sheba voltage le litekanyetso tsa hajoale ho ntlafatsa phetiso ea matla.
• Khetha boholo bo loketseng ba thapo ho thibela mocheso o feteletseng le tahlehelo ea matla, u sebelisa lichate tsa boholo kapa li-calculator bakeng sa litekanyo tse nepahetseng.
• Nahana ka thepa ea lithapo; koporo e fana ka conductivity e betere le ho tšoarella ha nako e telele, ha aluminium e bobebe ebile e na le litšenyehelo tse ngata.
• Bea ka pele ho insulation ea boleng bo holimo mehalang ea hau ho itšireletsa khahlanong le tšenyo ea tikoloho le ho matlafatsa polokeho.
• Bala tahlehelo ea matla e ka bang teng ka har'a likhoele tsa hau ho etsa liqeto tse nang le tsebo tse ntlafatsang ts'ebetso e felletseng ea sesebelisoa sa hau sa letsatsi.
• Ho tsetela ka likhoele tse nepahetseng tsa letsatsi kajeno ho tla ntlafatsa bophelo bo bolelele le ts'ebetso ea sistimi ea hau ea matla a letsatsi, ho netefatsa bokamoso bo khanyang, bo tsitsitseng.

Ho utloisisa Lithapo tsa Solar DC

Lik'habole tsa Solar DC ke Eng?

Lithapo tsa Solar DCke litsela tsa bophelo tsa tsamaiso ea hau ea photovoltaic. Ba hokahanya liphanele tsa letsatsi ho li-inverters, ho netefatsa hore matla a hlahisoang ke letsatsi a fihla lapeng kapa khoebong ea hau hantle. Lithapo tsena li etselitsoe ho sebetsana le motlakase o tobileng (DC) oa motlakase, e leng se hlahisoang ke liphanele tsa letsatsi. Ho fapana le likhoele tse tloaelehileng tsa motlakase, likhoele tsa letsatsi li tlameha ho mamella maemo a thata a tikoloho. Li mamella mahlaseli a UV, mocheso o feteletseng le mongobo, kaofela ha li ntse li boloka ts'ebetso e nepahetseng. Ka ho khetha lithapo tse nepahetseng tsa letsatsi, u etsa bonnete ba hore sistimi ea hau e sebetsa hantle le ka nepo, e eketsa tlhahiso ea hau ea matla.

Likarolo tsa Tšireletseho tsa Solar DC Cables

Tšireletseho e bohlokoa haholo ha ho sebetsanoa le motlakase, 'me likhoele tsa letsatsi la DC le tsona li joalo. Lithapo tsena li tla li na le likarolo tse 'maloa tsa polokeho ho sireletsa sistimi ea hau le thepa ea hau.Lithapo tsa letsatsi tsa boleng bo holimo e na le mohatsela o matla o thibelang ho lutla ha motlakase le ho fokotsa kotsi ea li-circuits tse khutšoane. Sena se boetse se fana ka khanyetso ho abrasion le lik'hemik'hale, ho netefatsa bophelo bo bolelele le ho tšepahala. Ho phaella moo, lithapo tsa letsatsi li atisa ho kenyelletsa lintho tse thibelang malakabe, tse fokotsang kotsi ea mollo ha ho ka ba le phoso. Ka ho khetha lithapo tse nang le likarolo tsena tsa polokeho, u sireletsa letsete la hau le ho netefatsa khotso ea kelello.

Lintlha tsa bohlokoa tsa ho khetha lithapo tsa letsatsi

Ho khetha lithapo tse nepahetseng tsa letsatsi ho kenyelletsa lintlha tse 'maloa tsa bohlokoa. Ntho e 'ngoe le e 'ngoe e bapala karolo ea bohlokoa ho netefatsa hore sesebelisoa sa hau sa matla a letsatsi se sebetsa hantle le ka polokeho. Ka ho utloisisa lintlha tsena, u ipha matla a ho etsa liqeto tse nang le tsebo tse ntlafatsang ts'ebetso le bophelo bo bolelele ba sistimi ea hau.

Ho lumellana le Lisebelisoa tsa Solar

U tlameha ho etsa bonnete ba hore likhoele tsa letsatsi tseo u li khethang li lumellana le lisebelisoa tsa hau tse khethehileng tsa letsatsi. Litsamaiso tse fapaneng li ka hloka mefuta e fapaneng ea likhoele, ho latela moralo oa tsona le litlhoko tsa matla. Lekola litlhaloso tsa liphanele tsa hau tsa letsatsi le li-inverters. Sena se tla u thusa ho khetha likhoele tse tsamaellanang le matla a tsona le litekanyetso tsa hajoale. Ho lumellana ho netefatsa hore sistimi ea hau e sebetsa hantle ntle le litšitiso tse sa hlokahaleng kapa ho se sebetse hantle. Ka ho khetha likhoele tse tsamaellanang, o ntlafatsa phetisetso ea matla le ho holisa bokhoni ba sesebelisoa sa hau sa letsatsi.

Boholo ba Cable le Thepa

Boholo le thepa ea lithapo tsa hau tsa letsatsi li ama haholo ts'ebetso ea tsona le ho tšoarella ha tsona. Ho khetha boholo bo nepahetseng ho tiisa hore lithapo li ka sebetsana le mojaro oa motlakase ntle le ho chesa kapa ho baka tahlehelo ea matla. Boitsebiso bo ama conductivity ea cable le ho hanyetsa maemo a tikoloho.

Copper vs. Aluminium Cables

Ha ho tluoa tabeng ea lintho tse bonahalang, hangata u na le khetho pakeng tsa likhoele tsa koporo le aluminium. Lithapo tsa koporo li fana ka conductivity e babatsehang, e bolelang hore li ka khona ho jara motlakase ka katleho e fokolang. Li boetse li tšoarella haholo 'me li hana ho bola. Leha ho le joalo, lithapo tsa koporo li atisa ho bitsa chelete e ngata. Ka lehlakoreng le leng, likhoele tsa aluminium li bobebe ebile li boloka chelete e ngata. Le hoja li ka 'na tsa se ke tsa tsamaisa motlakase ka katleho joaloka koporo, e ntse e ka ba khetho e sebetsang bakeng sa likopo tse itseng. Nahana ka tekanyetso ea hau le litlhoko tsa tsamaiso ha u khetha pakeng tsa lisebelisoa tsena.

Mefuta ea Insulation le Litekanyo

Insulation ke karolo e 'ngoe ea bohlokoa ea likhoele tsa letsatsi. E sireletsa likhoele tšenyong ea tikoloho mme e netefatsa polokeho ka ho thibela ho lutla ha motlakase. Mefuta e fapaneng ea insulation e fana ka maemo a fapaneng a tšireletso khahlano le mahlaseli a UV, mongobo le mocheso o feteletseng. Sheba lithapo tse nang le insulation ea boleng bo holimo e lumellanang le maemo a sebaka sa hau sa ho kenya. Litekanyo tsa insulation li bontša bokhoni ba thapo ea ho mamella mocheso o itseng le maemo a tikoloho. Ka ho khetha lithapo tse nang le insulation e loketseng, o matlafatsa polokeho le ts'epahalo ea sistimi ea hau ea matla a letsatsi.

Boholo le Lipalo

Ho Khetholla Boholo ba Cable bo Loketseng

Ho bohlokoa ho khetha boholo bo nepahetseng bakeng sa likhoele tsa hau tsa letsatsi. E etsa bonnete ba hore tsamaiso ea hau ea matla a letsatsi e sebetsa hantle le ka mokhoa o sireletsehileng. U lokela ho nahana ka matla a hona joale a ho tsamaisa lithapo. Bokhoni bona, boo hangata bo bitsoang ampacity, bo etsa qeto ea hore na mohala o ka sebetsana le nako e kae ntle le ho chesa haholo. Ho fumana boholo bo loketseng ba cable, o lokela ho qala ka ho bala kakaretso ea hona joale e tla phalla ka har'a likhoele. Palo ena e ipapisitse le tlhahiso ea matla ea liphanele tsa letsatsi le matla a sistimi ea hau.

Ha u se u tseba hajoale, u ka sebelisa lichate tsa boholo ba cable kapa li-calculator. Lisebelisoa tsena li u thusa ho bapisa ea hajoale le saese e nepahetseng ea cable. Hopola, ho sebelisa lithapo tse nyenyane haholo ho ka lebisa mochesong o feteletseng le ho lahleheloa ke matla. Lithapo tse kholo haholo, leha li bolokehile, li ka eketsa litšenyehelo ho sa hlokahale. Ka ho khetha boholo bo nepahetseng, o etsa bonnete ba hore likhoele tsa hau tsa letsatsi li tsamaisa motlakase hantle, e leng ho eketsang ts'ebetso ea sistimi ea hau.

Ho Bala Tahlehelo ea Matla ka Lithapong

Ho lahleheloa ke matla ka likhoele tsa letsatsi ke ntlha ea bohlokoa e lokelang ho nahanoa. E ama ts'ebetso e felletseng ea sistimi ea hau ea matla a letsatsi. Ho lahleheloa ke matla ho etsahala ka lebaka la ho hanyetsa lithapo. Khanyetso ena e fetola matla a mang a motlakase hore e be mocheso, a lahlehang. Ho bala tahlehelo ea matla, o ka sebelisa foromo:

$$\text{Tahlehelo ea Matla (W)}=I^2\times R$$

Ka foromo ena,$I$e emela hona joale e phallang ka thapo, le$R$ke ho hanyetsa ha thapo. Ho hanyetsa ho itšetlehile ka thepa, bolelele, le sebaka sa marang-rang sa cable. Ka mohlala, lithapo tsa koporo li na le khanyetso e tlase ha li bapisoa le lithapo tsa aluminium, tse bakang tahlehelo e nyane ea matla.

Ka ho bala tahlehelo ea matla, o ka etsa liqeto tse nang le tsebo mabapi le thepa ea cable le boholo. Ho fokotsa tahlehelo ea matla ho eketsa katleho ea sistimi ea hau ea matla a letsatsi. E etsa bonnete ba hore matla a mangata a hlahisoang a fihla lapeng kapa khoebong ea hau. Ntlafatso ena ha e ntlafatse ts'ebetso feela empa e boetse e eketsa phaello ho matsete a hau a letsatsi.

Ho khetha lithapo tse nepahetseng tsa letsatsi tsa DC ho bohlokoa molemong oa katleho ea sistimi ea hau ea photovoltaic. U netefatsa katleho le polokeho ka ho etsa liqeto tse nang le tsebo. Bea pele tšebelisano, boholo, le lisebelisoa ho ntlafatsa ts'ebetso. Kamehla nahana ka likarolo tsa polokeho ho sireletsa letsete la hau. Amohela litataiso tsena ho ntlafatsa bophelo bo bolelele le ho ts'epahala ha sesebelisoa sa hau sa letsatsi. Likhetho tsa hau kajeno li betla tsela bakeng sa bokamoso bo khanyang, bo tsitsitseng. Etsa hore tsamaiso ea hau ea matla a letsatsi e khanye ka matla a likhoele tse khethiloeng hantle.

LBH

Ke eng e etsang hore likhoele tsa letsatsi tsa DC li fapane le lithapo tse tloaelehileng tsa motlakase?

Lithapo tsa Solar DCli etselitsoe ka ho khetheha bakeng sa tsamaiso ea photovoltaic. Ba sebetsana le motlakase o tobileng (DC), oo liphanele tsa letsatsi li o hlahisang. Lithapo tsena li mamella maemo a thata a tikoloho joalo ka mahlaseli a UV, mocheso o feteletseng le mongobo. Lithapo tsa kamehla tsa motlakase li kanna tsa se fane ka boemo bo ts'oanang ba ho tšoarella le bo sebetsang lits'ebetsong tsa letsatsi.

Ke tseba joang boholo bo nepahetseng ba lithapo tsa ka tsa letsatsi?

Ho fumana boholo bo nepahetseng, bala kakaretso ea hona joale e phallang ka har'a lithapo. Sena se ipapisitse le tlhahiso ea matla ea liphanele tsa letsatsi le matla a sistimi ea hau. Sebelisa lichate tsa boholo ba cable kapa li-calculator ho tsamaisana le tsa hajoale le boholo bo nepahetseng ba thapo. Sekhahla se nepahetseng se thibela ho chesa le ho lahleheloa ke matla, ho netefatsa ts'ebetso e sebetsang hantle.

Hobaneng hangata koporo e ratoa ho feta aluminium bakeng sa likhoele tsa letsatsi?

Koporo e fana ka conductivity e babatsehang, ho bolelang hore e na le motlakase ka tahlehelo e fokolang. E boetse e tšoarella haholo 'me e hanela ho bola. Le hoja likhoele tsa koporo li theko e boima haholo, li fana ka ts'ebetso e ntle le ho phela nako e telele. Lithapo tsa aluminium li bobebe ebile li boloka chelete e ngata empa li ka 'na tsa se ke tsa tsamaisa motlakase hantle.

Ke likarolo life tsa polokeho tseo ke lokelang ho li sheba lithapong tsa letsatsi tsa DC?

Sheba lithapo tse nang le insulation e matla ho thibela ho lutla ha motlakase le ho fokotsa likotsi tsa potoloho e khutšoane. Mohatsela oa boleng bo holimo o boetse o hanela ho khoptjoa le lik'hemik'hale. Lisebelisoa tse thibelang mollo li fokotsa likotsi tsa mollo haeba ho na le liphoso. Likarolo tsena li sireletsa sistimi ea hau mme li netefatsa khotso ea kelello.

Nka fokotsa tahlehelo ea matla joang lithapong tsa ka tsa letsatsi?

Fokotsa tahlehelo ea matla ka ho khetha likhoele tse nang le khanyetso e tlase. Lithapo tsa koporo hangata li na le khanyetso e tlase ho feta aluminium, e bakang tahlehelo e nyane ea matla. Bala tahlehelo ea matla ka mokhoa o latelang: Tahlehelo ea Matla (W) = I² × R, moo ke leng hona joale 'me R ke khanyetso. Ho khetha thepa le boholo bo nepahetseng ho eketsa katleho.

Na ho na le mefuta e ikhethileng ea ho kenya lintho eo ke lokelang ho e ela hloko bakeng sa sebaka sa ka sa ho kenya?

Ee, mefuta e fapaneng ea ho kenya letsoho e fana ka maemo a fapaneng a tšireletso khahlano le mahlaseli a UV, mongobo le mocheso o feteletseng. Khetha lithapo tse nang le insulation ea boleng bo holimo e lumellanang le maemo a sebaka sa hau sa ho kenya. Litekanyetso tsa insulation li bontša bokhoni ba thapo ea ho mamella maemo a itseng a tikoloho, ho netefatsa polokeho le ts'epo.

Ke etsa bonnete ba ho lumellana pakeng tsa likhoele tsa ka tsa letsatsi le likarolo tsa sistimi?

Lekola litlhaloso tsa liphanele tsa hau tsa letsatsi le li-inverters. Netefatsa hore lithapo li tsamaisana le matla a tsona a motlakase le litekanyetso tsa hona joale. Ho lumellana ho tiisa ts'ebetso ea tsamaiso e boreleli ntle le litšitiso kapa ho se sebetse hantle. Ka ho khetha likhoele tse tsamaellanang, o ntlafatsa phetiso ea matla le ho holisa bokhoni ba sesebelisoa sa hau sa solar.

A na nka sebelisa likhoele tse nyane ho boloka litšenyehelo?

Ho sebelisa lithapo tse nyane ho ka lebisa mochesong o feteletseng le ho lahleheloa ke matla. Leha e ka boloka litšenyehelo tsa pele, e beha ts'ebetso ea sistimi ea hau kotsing le polokeho. Lithapo tse kholo haholo, le hoja li sireletsehile, li ka eketsa litšenyehelo ho sa hlokahale. Khetha boholo bo nepahetseng ho netefatsa phallo e nepahetseng ea motlakase le ho holisa ts'ebetso.

Ke karolo efe e nang le lisebelisoa tsa cable ho lisebelisoa tsa matla a letsatsi?

Lisebelisoa tsa cable li ama conductivity le ho hanyetsa maemo a tikoloho. Koporo e fana ka conductivity e babatsehang le ho tšoarella ha nako e telele, ha aluminium e bobebe ebile e boloka chelete e ngata. Nahana ka tekanyetso ea hau le litlhoko tsa sistimi ha u khetha pakeng tsa lisebelisoa tsena ho netefatsa ts'ebetso e nepahetseng le bophelo bo bolelele.

Lithapo tsa letsatsi tsa DC li kenya letsoho joang katlehong e akaretsang ea sistimi ea ka ea matla a letsatsi?

Lithapo tsa Solar DC li netefatsa phetisetso e nepahetseng ea matla ho tloha liphanele ho ea ho li-inverters. Lithapo tse nepahetseng li fokotsa tahlehelo ea matla le ho matlafatsa ts'epahalo. Ka ho khetha likhoele tse tsamaellanang le litlhoko tsa sistimi ea hau, o notlolla ts'ebetso e nepahetseng, ho netefatsa hore matsete a hau a letsatsi a khanya le ho tšoarella nako e telele.