Bakeng sa morero ofe kapa ofe oa letsatsi, o hloka thapo ea letsatsi ho kopanya lisebelisoa tsa letsatsi.Litsamaiso tse ngata tsa matla a letsatsi li kenyelletsa likhoele tsa motheo, empa ka linako tse ling u tlameha ho reka likhoele u le mong.Tataiso ena e tla akaretsa lintlha tsa motheo tsa likhoele tsa letsatsi ha e ntse e hatisa bohlokoa ba likhoele tsena bakeng sa sistimi efe kapa efe e sebetsang ea letsatsi.

Mohala oa letsatsi, oo ka linako tse ling o tsejoang e le 'PV Wire' kapa 'PV Cable' ke thapo ea bohlokoahali ho sistimi efe kapa efe ea letsatsi ea PV.Liphanele tsa letsatsi li hlahisa motlakase o tlamehang ho fetisetsoa libakeng tse ling - mona ke moo likhoele tsa letsatsi li kenang teng. Phapang e kholo ka boholo e pakeng tsa mohala oa letsatsi oa 4mm le thapo ea letsatsi ea 6mm.Tataiso ena e tla akaretsa litheko tse tloaelehileng tsa lithapo le mokhoa oa ho bala hore na u hloka boholo bofe bakeng sa ho seta letsatsi la hau.

Selelekela sa Lithapo Tsa Letsatsi

Ho utloisisa joanglikhoele tsa letsatsits'ebetso, re tlameha ho fihla ts'ebetsong ea mantlha ea thapo: terata.Leha batho ba nka hore likhoele le likhoele ke lintho tse tšoanang, mantsoe ana a fapane ka ho felletseng.Mehala ea letsatsi ke likarolo tse le 'ngoe, tse tsejoang e le 'li-conductors'.Lithapo tsa letsatsi ke lihlopha tsa lithapo/li-conductors tse kopantsoeng hammoho.

Ha e le hantle, ha u reka thapo ea letsatsi u reka thapo e nang le lithapo tse ngata tse hoketsoeng hammoho ho etsa thapo.Lithapo tsa letsatsi li ka ba le lithapo tse 2 le lithapo tse ngata ho latela boholo.Li na le theko e tlaase ebile li rekisoa ka leoto.Theko e tloaelehileng ea mohala oa letsatsi ke $100 ka 300 ft. spool.

Mehala ea Letsatsi e Sebetsa Joang?

Hangata mohala oa letsatsi o entsoe ka thepa ea conductive e ka fetisang motlakase o kang koporo.Koporo ke thepa e ratoang ka ho fetisisa bakeng sa lithapo tsa letsatsi, 'me ka linako tse ling lithapo li entsoe ka aluminium.Mohala o mong le o mong oa letsatsi ke conductor e le 'ngoe e sebetsang ka boeona.Ho eketsa katleho ea tsamaiso ea cable, lithapo tse ngata li bokelloa hammoho.

Mohala oa letsatsi o ka ba o tiileng (o bonahalang) kapa oa sirelelitsoe ke seo ho thoeng ke 'jacket' (lesela le sireletsang le etsang hore le se ke la bonahala).Mabapi le mefuta ea terata, ho na le likhoele tse le 'ngoe kapa tse tiileng.Ka bobeli li sebelisoa bakeng sa lisebelisoa tsa letsatsi.Leha ho le joalo, lithapo tse koetsoeng ke tsona tse atileng haholo hobane li entsoe ka mehala e menyenyane e mengata e sothehileng hammoho ho etsa motheo oa terata.Mehala e monko o le mong e fumaneha feela ka li-gauge tse nyane.

Lithapo tse koetsoeng ke lithapo tse atileng haholo bakeng sa likhoele tsa PV hobane li fana ka botsitso bo holimo.Sena se boloka botsitso ba sebopeho sa terata ha ho tluoa khatellong ea ho thothomela le metsamao e meng.Ka mohlala, haeba linonyana li sisinya lithapo kapa li qala ho li hlafuna holim'a marulelo moo liphanele tsa letsatsi li leng teng, u hloka tšireletso e eketsehileng ho netefatsa hore motlakase o lula o phalla.

Lithapo tsa PV ke Eng?

Lithapo tsa letsatsi ke lithapo tse kholo tse entsoeng ka lithapo tse ngata tlas'a 'jacket' e sireletsang.Ho itšetlehile ka tsamaiso ea letsatsi, u tla hloka thapo e fapaneng.Hoa khoneha ho reka thapo ea letsatsi ea 4mm kapa thapo ea letsatsi ea 6mm e tla ba tenya le ho fana ka phetiso bakeng sa motlakase o phahameng.Ho boetse ho na le liphapano tse nyane mefuteng ea lithapo tsa PV joalo ka likhoele tsa DC le likhoele tsa AC.

Mokhoa oa ho Size Lithapo tsa Solar: Selelekela

Se latelang ke selelekela sa ho lokisa boholo le mareo.Ho qala, boholo bo atileng haholo ba lithapo tsa letsatsi ke "AWG" kapa 'American Wire Gauge'.Haeba u na le AWG e tlase, sena se bolela hore e na le sebaka se seholo sa marang-rang mme ka hona e na le marotholi a tlase a motlakase.Moetsi oa liphanele tsa letsatsi o tla u fa lichate tse bonts'ang hore na u ka hokela li-circuits tsa mantlha tsa DC/AC joang.U tla hloka tlhaiso-leseling e bonts'ang boholo ba hajoale bo lumelletsoeng sebakeng se fapaneng sa sistimi ea letsatsi, ho theoha ha motlakase, le DVI.

Boholo ba thapo ea motlakase ea letsatsi e sebelisoang ke ea bohlokoa.Boholo ba mohala bo ka ama ts'ebetso ea tsamaiso eohle ea letsatsi.Haeba u reka thapo e nyane ho feta e khothaletsoang ke moetsi oa letsatsi, u ka ba le ho theoha ho matla ha motlakase ho pholletsa le lithapo hoo qetellong ho fellang ka tahlehelo ea matla.Ho feta moo, haeba u na le lithapo tse nyane, sena se ka lebisa ho matla a matla a lebisang mollong.Haeba mollo o ka qhoma libakeng tse kang marulelong, o ka nama ka potlako ntlong eohle.

Kamoo Lik'hebole tsa PV li Eketsoang Kateng: Moelelo oa AWG

Ho bontša bohlokoa ba boholo ba thapo ea PV, nahana ka thapo e kang hose e tsamaisang metsi.Haeba u na le bophara bo boholo holim'a hose, metsi a tla phalla habonolo 'me a ke ke a emisa khanyetso leha e le efe.Leha ho le joalo, haeba u e-na le hose e nyenyane u tla ba le khanyetso kaha metsi a sitoa ho phalla hantle.Bolelele bo boetse bo na le tšusumetso - haeba u e-na le hose e khutšoanyane, metsi a phallang a tla potlaka.Haeba u na le hose e kholo, u hloka khatello e nepahetseng kapa phallo ea metsi e tla fokotseha.Lithapo tsohle tsa motlakase li sebetsa ka mokhoa o ts'oanang.Haeba u na le thapo ea PV e sa lekaneng ho tšehetsa karolo ea letsatsi, ho hanyetsa ho ka fella ka hore li-watts tse fokolang li fetisetsoe le ho thibela potoloho.

Lithapo tsa PV li entsoe boholo ka ho sebelisa American Wire Gauges e le ho hakanya sekala sa gauge.Haeba u na le terata e nang le nomoro e nyenyane ea gauge (AWG), u tla ba le khanyetso e fokolang 'me hona joale ho phalla ho tloha mahlaseli a letsatsi ho tla fihla ka mokhoa o sireletsehileng.Lithapo tse fapaneng tsa PV li na le boholo bo fapaneng ba li-gauge, 'me sena se ka ama theko ea thapo.Saese e 'ngoe le e 'ngoe ea gauge e na le lintlha tsa eona tsa AMP e leng boholo ba li-AMP tse ka tsamaeang ka thapo ka mokhoa o sireletsehileng.

Cable e 'ngoe le e' ngoe e ka amohela feela tekanyo e itseng ea amperage le voltage.Ka ho hlahloba lichate tsa terata, u lokela ho tseba hore na boholo bo nepahetseng ke bofe bakeng sa tsamaiso ea hau ea letsatsi (haeba sena se sa thathamisoa bukeng ea tataiso).U tla hloka lithapo tse fapaneng ho hokahanya liphanele tsa letsatsi ho inverter e kholo, ebe inverter ho libeteri, libeteri ho banka ea betri, le / kapa inverter ka ho toba ho grid ea motlakase ea ntlo.E latelang ke foromo e etselitsoeng ho u thusa ho etsa lipalo:

1) Hakanya VDI (Voltage Drop)

Ho bala VDI ea solar system, o tla hloka lintlha tse latelang (tse fanoeng ke moetsi oa hau):

· Kakaretso ea amperage (motlakase).

· Bolelele ba thapo ka tsela e le 'ngoe (e lekantsoeng ka maoto).

· Peresente ea ho theoha ha motlakase.

Sebelisa foromo ena ho hakanya VDI:

· Amperage x Maoto / % ea ho theoha ha motlakase.

2) Fumana boholo bo thehiloeng ho VDI

E le hore u bale hore na u hloka boholo bofe bakeng sa mohala o mong le o mong oa tsamaiso, u hloka VDI.Chate e latelang e tla u thusa ho fumana boholo boo u bo hlokang bakeng sa kopo:

Voltage Drop Index Gauge

VDI LEKOLA

1 = #16

2 = #14

3 = #12

5 = #10

8 = #8

12 = #6

20 = #4

34 = #2

49 = # 1/0

62 = # 2/0

78 = #3/0

99 =# 4/0

Mohlala: Haeba u na le li-AMPs tse 10, maoto a 100, phanele ea 24V, le tahlehelo ea 2% u qetella u e-na le palo ea 20.83.Sena se bolela hore thapo eo u e hlokang ke thapo ea 4 AWG.

PV Solar Cable Size & Mefuta

Ho na le mefuta e 'meli ea likhoele tsa letsatsi: lithapo tsa AC le lithapo tsa DC.Lithapo tsa DC ke lithapo tsa bohlokoa haholo hobane motlakase oo re o sebelisang ho tsoa litsing tsa letsatsi le ho o sebelisa hae ke motlakase oa DC.Lisebelisoa tse ngata tsa letsatsi li tla le lithapo tsa DC tse ka kopanngoang le lihokelo tse lekaneng.Lithapo tsa letsatsi tsa DC le tsona li ka rekoa ka kotloloho ho ZW Cable.Mefuta e tsebahalang haholo ea likhoele tsa DC ke 2.5mm,4mm, le6mmlikhoele.

Ho itšetlehile ka boholo ba tsamaiso ea letsatsi le motlakase o hlahisoang, u ka 'na ua hloka mohala o moholoanyane kapa o monyenyane.Boholo ba litsamaiso tsa letsatsi tsa US li sebelisa thapo ea PV ea 4mm.Ho kenya likhoele tsena ka katleho, o tlameha ho hokahanya likhoele tse mpe le tse ntle ho tloha likhoeleng tse ka lebokoseng le ka sehloohong la sehokelo se fanoeng ke moetsi oa letsatsi.Hoo e ka bang likhoele tsohle tsa DC li sebelisoa libakeng tse kantle joalo ka marulelong kapa libakeng tse ling moo liphanele tsa letsatsi li behiloeng teng.Ho qoba likotsi, likhoele tsa PV tse ntle le tse mpe lia aroloa.

Mokhoa oa ho hokahanya lithapo tsa letsatsi?

Ho na le likhoele tse 2 feela tsa mantlha tse hlokahalang ho hokela sistimi ea letsatsi.Taba ea pele, u hloka thapo e khubelu eo hangata e leng thapo e nepahetseng ho tsamaisa motlakase le thapo e putsoa e seng mpe.Lithapo tsena li hokahana le lebokose le ka sehloohong la jenereithara ea solar system le solar inverter.Lithapo tse nyane tsa terata e le 'ngoe li ka sebetsa hantle bakeng sa phetisetso ea matla ha feela li phuthetsoe ka sekoaelo.

Lithapo tsa AC li boetse li sebelisoa litsing tsa letsatsi, empa khafetsa.Lithapo tse ngata tsa AC li sebelisoa ho hokahanya mochine o motlakase oa letsatsi le motlakase oa ntlo.Lisebelisoa tsa letsatsi li sebelisa lithapo tsa 5-core AC tse nang le lithapo tse 3 bakeng sa mekhahlelo e tsamaisang ea hona joale, terata e le 1 ho thibela motlakase hole le sesebediswa, le terata e le 'ngoe bakeng sa ho theola fatše/tšireletseho e kopanyang khase ea letsatsi le fatše.

Ho latela boholo ba solar system, e kanna ea hloka feela likhoele tse 3-core.Leha ho le joalo, sena ha se mohla se ts'oanang ho pholletsa le boto hobane linaha tse fapaneng li sebelisa melaoana e fapaneng e lokelang ho lateloa ke litsebi tse kenyang likhoele.