Kuyo nayiphi na iprojekthi yelanga, udinga intambo yelanga ukuze udibanise izixhobo zelanga.Uninzi lweenkqubo zepaneli zelanga ziquka iintambo ezisisiseko, kodwa ngamanye amaxesha kufuneka uthenge iintambo ngokuzimeleyo.Esi sikhokelo siya kugubungela iziseko zeentambo zelanga ngelixa sigxininisa ukubaluleka kwezi ntambo kuyo nayiphi na inkqubo yelanga esebenzayo.

Intambo yelanga, maxa wambi eyaziwa ngokuba 'yiPV Wire' okanye 'iCable yePV' yeyona ntambo ibalulekileyo kuyo nayiphi na inkqubo yelanga yePV.Iiphaneli zesola zivelisa umbane ekufuneka usiwe kwenye indawo – kulapho iintambo zesola zingena khona. Owona mahluko mkhulu ngokobukhulu uphakathi kwentambo yelanga eyi-4mm kunye nentambo yelanga eyi-6mm.Esi sikhokelo siya kugubungela amaxabiso aphakathi kweentambo kunye nendlela yokubala ukuba bubuphi ubungakanani obudingayo kulungiselelo lwakho lwelanga.

Intshayelelo kwiintambo zeSola

Ukuqonda ukuba njaniiintambo zelangaumsebenzi, kufuneka sifumane umsebenzi ongundoqo wentambo: Intambo.Nangona abantu becinga ukuba iintambo kunye neengcingo zizinto ezifanayo, la magama ahluke ngokupheleleyo.Iingcingo zelanga zizinto enye, ezaziwa ngokuba 'zii-conductors'.Iintambo zelanga ngamaqela eengcingo/iiconductors ezidityaniswe kunye.

Ngokusisiseko, xa uthenga intambo yelanga uthenga intambo eneengcingo ezininzi ezidityanisiweyo ukuze zenze intambo.Iintambo zelanga zinokuba neengcingo ezi-2 kwaye zininzi kangangeentambo ezininzi, kuxhomekeke kubungakanani.Zifikeleleka ngokufanelekileyo kwaye zithengiswa ngeenyawo.Umndilili wexabiso lentambo yelanga yi-$100 nge-300 ft.

Zisebenza Njani Iingcingo Zelanga?

Intambo yelanga ngokuqhelekileyo yenziwe kwizinto eziqhubayo ezinokudlulisela umbane njengobhedu.I-Copper yinto ethandwa kakhulu kwiingcingo zelanga, kwaye ngamanye amaxesha iingcingo zenziwe nge-aluminium.Ucingo ngalunye lwelanga luyi-conductor enye esebenza ngokwayo.Ukwandisa ukusebenza kwenkqubo yekhebula, iingcingo ezininzi zihlanganiswe ndawonye.

Ucingo lwelanga lunokuba luqilima (ukubonakala) okanye lugqunywe ngento ebizwa ngokuba 'yibhatyi' (umaleko okhuselayo owenza ungabonakali).Ngokubhekiselele kwiintlobo zocingo, kukho iingcingo zodwa okanye eziqinileyo.Zombini ezi zisetyenziselwa usetyenziso lwelanga.Nangona kunjalo, iingcingo eziphothiweyo zezona zixhaphakileyo kuba zibandakanya iiseti zocingo ezincinci ezininzi ezijijelwe ndawonye ukwenza undoqo wocingo.Iingcingo zombane ezinukayo zifumaneka kuphela kwiigeyiji ezincinci.

Iingcingo eziphothiweyo zezona zixhaphakileyo kwiintambo zePV kuba zibonelela ngezinga eliphezulu lozinzo.Oku kugcina ingqibelelo yesakhiwo socingo xa kuziwa kuxinzelelo olusuka kwi-vibrations kunye nezinye iintshukumo.Umzekelo, ukuba iintaka zivuthulula iintambo okanye ziqale ukuhlafuna phezu kophahla apho kukho iipaneli zelanga, udinga ukhuseleko olongezelelweyo ukuqinisekisa ukuba umbane uya kuhlala uhamba.

Yintoni iiCables zePV?

Iintambo zelanga ziingcingo ezinkulu eziquka iingcingo ezininzi phantsi 'kwebhatyi' ekhuselayo.Ngokuxhomekeke kwisixokelelwano selanga, uya kufuna intambo eyahlukileyo.Kuyenzeka ukuba uthenge intambo yelanga eyi-4mm okanye intambo yelanga eyi-6mm eya kuba ngqindilili kwaye ibonelele ngokuhanjiswa kwamandla ombane aphezulu.Kukwakho umahluko omncinci kwiintlobo zeentambo zePV ezinjengeentambo zeDC kunye neentambo ze-AC.

Indlela yokulinganisa iiCables zeSolar: Intshayelelo

Oku kulandelayo yintshayelelo yokulungisa ubungakanani kunye nesigama.Ukuqala, obona bungakanani buxhaphakileyo kwiintambo zelanga yi-“AWG” okanye i-'American Wire Gauge'.Ukuba une-AWG ephantsi, oku kuthetha ukuba igubungela indawo enkulu enqamlezileyo kwaye ngenxa yoko ine-voltage esezantsi yehla.Umvelisi wepaneli yelanga uza kukubonelela ngeetshathi ezibonisa ukuba ungaqhagamshela njani iisekethe ezisisiseko ze-DC/AC.Uzakufuna ulwazi olubonisa obona buninzi bangoku obuvunyelweyo kwindawo enqamlezileyo yesixokelelwano selanga, ukuhla kwamandla ombane, kunye ne-DVI.

Ubungakanani bekhebula lepaneli yelanga esetyenziswayo bubalulekile.Ubungakanani bekhebula bunokuchaphazela ukusebenza kwayo yonke inkqubo yelanga.Ukuba uthenga intambo encinci kunokuba ucetyiswe ngumenzi wakho welanga, unokufumana ukuhla okukhulu kwamandla ombane kwiingcingo ezikhokelela ekulahlekeni kwamandla.Ngaphezu koko, ukuba uneengcingo ezingaphantsi kobukhulu oku kunokukhokelela ekunyukeni kwamandla okukhokelela kumlilo.Ukuba kuqhambuke umlilo kwiindawo ezinjengophahla, unokunwenwela kuyo yonke indlu.

Indlela iiCables ze-PV ezinobungakanani ngayo: Intsingiselo ye-AWG

Ukubonisa ukubaluleka kobungakanani bentambo yePV, khawufane ucinge intambo efana nombhobho othwele amanzi.Ukuba unobubanzi obukhulu kumbhobho, amanzi aya kuhamba ngokulula kwaye akayi kubeka naluphi na uxhathiso.Nangona kunjalo, ukuba unombhobho omncinci ngoko uya kufumana ukuxhathisa njengoko amanzi engakwazi ukuhamba kakuhle.Ubude nabo bunempembelelo - ukuba unombhobho omfutshane, ukuhamba kwamanzi kuya kukhawuleza.Ukuba unombhobho omkhulu, udinga uxinzelelo oluchanekileyo okanye ukuhamba kwamanzi kuya kuthotha.Zonke iingcingo zombane zisebenza ngendlela efanayo.Ukuba unentambo ye-PV engekho enkulu ngokwaneleyo ukuxhasa iphaneli yelanga, ukuchasana kunokubangela ukuba i-watts encinci idluliselwe kwaye ivimbele isiphaluka.

Iintambo ze-PV zilinganiswa kusetyenziswa i-American Wire Gauges ukuze kuqikelelwe isikali sokulinganisa.Ukuba unocingo olunenombolo ye-gauge encinci (AWG), uya kuba nokuchasana okuncinci kwaye i-current flowing ukusuka kwiipaneli zelanga ziya kufika ngokukhuselekileyo.Iintambo ze-PV ezahlukeneyo zinemilinganiselo yokulinganisa eyahlukileyo, kwaye oku kunokuchaphazela ixabiso lentambo.Isayizi nganye yegeyiji inomlinganiselo wayo we-AMP elona xabiso liphezulu lee-AMPs ezinokuhamba ngentambo ngokukhuselekileyo.

Intambo nganye inokwamkela kuphela inani elithile le-amperage kunye ne-voltage.Ngokuhlalutya iitshathi zocingo, kufuneka ukwazi ukufumanisa ukuba yintoni ubungakanani obufanelekileyo kwisixokelelwano sakho selanga (ukuba le nto ayidweliswanga kwincwadana).Uya kufuna iingcingo ezahlukeneyo ukudibanisa iipaneli zelanga kwi-inverter enkulu, kwaye emva koko i-inverter kwiibhetri, iibhetri kwibhanki yebhetri, kunye / okanye i-inverter ngqo kwigridi yombane yendlu.Le ilandelayo yifomula eyilelwe ukukunceda wenze izibalo:

1) Qikelela iVDI (iVoltage Drop)

Ukubala i-VDI yesixokelelwano selanga, uya kufuna olu lwazi lulandelayo (olunikwe ngumenzi wakho):

· I-amperage iyonke (umbane).

· Ubude bentambo ngendlela enye (kulinganiswa ngeenyawo).

· Ipesenti yokuhla kwamandla ombane.

Sebenzisa le fomula ukuqikelela i-VDI:

· I-Amperage x Iinyawo / % yokwehla kwamandla ombane.

2) Qinisekisa ubungakanani obusekwe kwi-VDI

Ukuze ubale ukuba ubungakanani obufunayo kwintambo nganye yenkqubo, udinga i-VDI.Le tshathi ilandelayo iya kukunceda ufumanise ubungakanani obudingayo kwisicelo:

I-Voltage Drop Index Gauge

VDI GAUGE

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

Umzekelo: Ukuba une-AMPs ezili-10, i-100 yeenyawo zomgama, iphaneli ye-24V, kunye nelahleko ye-2% ugqiba ngenani le-20.83.Oku kuthetha ukuba intambo oyifunayo yintambo ye-4 AWG.

Ubungakanani beCable yeSolar yePV kunye neentlobo

Kukho iindidi ezimbini zeentambo zelanga: iintambo ze-AC kunye neentambo ze-DC.Iintambo ze-DC zezona ntambo zibalulekileyo kuba umbane esiwusebenzisa kwiinkqubo zelanga kwaye siwusebenzisa ekhaya ngumbane weDC.Uninzi lweenkqubo zelanga ziza kunye neentambo ze-DC ezinokudityaniswa kunye nezihlanganisi ezifanelekileyo.Iintambo zelanga zeDC nazo zinokuthengwa ngokuthe ngqo kwiZW Cable.Ezona sayizi zidumileyo kwiintambo zeDC ziyi-2.5mm,4mm, kwaye6mmiintambo.

Ngokuxhomekeke kubukhulu benkqubo yelanga kunye nombane owenziweyo, unokufuna intambo enkulu okanye encinci.Uninzi lweenkqubo zelanga e-US zisebenzisa intambo ye-PV eyi-4mm.Ukufakela ezi ntambo ngempumelelo, kufuneka udibanise iintambo ezimbi kunye nezilungileyo ezivela kwiintambo kwibhokisi yokudibanisa eyintloko enikezelwa ngumenzi welanga.Phantse zonke iintambo ze-DC zisetyenziswa kwiindawo zangaphandle ezifana nophahla okanye ezinye iindawo apho iipaneli zelanga zibekwe ngaphandle.Ukuphepha iingozi, iintambo ze-PV ezilungileyo nezingalunganga ziyahlukaniswa.

Uziqhagamshela njani iiCables zeSolar?

Kukho iintambo ezingundoqo ezi-2 kuphela ezifunekayo ukudibanisa inkqubo yelanga.Okokuqala, udinga intambo ebomvu edla ngokuba yintambo evumayo ukuthwala umbane kunye nentambo eluhlaza okwesibhakabhaka engalunganga.Ezi ntambo zidibanisa kwibhokisi ye-generator ye-solar system kunye ne-inverter yelanga.Iintambo ezincinci ezinocingo olunye zinokusebenza kuthungelwano lwamandla ukuba nje zisongelwe kwisigqubuthelo.

Iintambo ze-AC zikwasetyenziswa kwiinkqubo zelanga, kodwa ngaphantsi rhoqo.Uninzi lweentambo ze-AC zisetyenziselwa ukudibanisa i-inverter enkulu yelanga kwigridi yombane yekhaya.Iinkqubo zelanga zisebenzisa i-5-core AC cables ezineengcingo ezi-3 zezigaba ezithwala umsinga, ucingo olu-1 ukugcina umsinga kude nesixhobo, kunye nocingo olu-1 lokumisa / ukhuseleko oludibanisa i-solar casing kunye nomhlaba.

Ngokuxhomekeke kubukhulu benkqubo yelanga, inokufuna kuphela iintambo ezi-3 ezingundoqo.Nangona kunjalo, oku akunakufane kufane kwibhodi yonke kuba amazwe ahlukeneyo asebenzisa imimiselo eyahlukeneyo ekufuneka ilandelwe ziingcali ezifaka iintambo.