Amasu Okonga Izindleko Lapho Uthola Izintambo Zokunweba ze-PV Ezivela Ezimbonini Zaphesheya Kwezwe

Isingeniso

Ukuthenga Ikhebula Lokunweba le-PvAmafektri aphesheya kwezilwandle anganciphisa izindleko zokulinganisela uhlelo, kodwa ukonga kuncike kokungaphezu kokuqhathanisa amanani amayunithi. Ukuguquguquka kwezinto, imininingwane yekhebula, izidingo zesitifiketi, inani elincane le-oda, izinto zokuhamba, imisebenzi, kanye nokulawula ikhwalithi yomphakeli konke kubumba izindleko zangempela zomhlaba kanye nenani lephrojekthi yesikhathi eside. Lesi sihloko sichaza ukuthi abashayeli bezindleko ezinkulu bahlala kuphi, ukuthi amaqembu okuthenga angazigwema kanjani izindleko ezifihliwe, nokuthi yimaphi amasu okuthola usizo asiza ekuvikeleni kokubili izinzuzo kanye nokusebenza. Ekugcineni, abafundi bazoba nohlaka olusebenzayo lokuhlola abahlinzeki baphesheya kwezilwandle, ukuxoxisana ngempumelelo enkulu, kanye nokunciphisa izindleko zekhebula ngaphandle kokwandisa ingozi yobuchwepheshe noma yokuthobela imithetho.

Ukuthola izintambo zokwandisa ze-PV kungathuthukisa kanjani amathuba ephrojekthi

Ukuthola izintambo zokwandisa ze-photovoltaic (PV) ezivela kubakhiqizi baphesheya kwezilwandle kuveza indlela eqondile yokwenza ngcono imingcele yephrojekthi yelanga yesilinganiso sezinsiza kanye neyezentengiselwano. Njengoba ukukhula okukhulu kokufakwa kwelanga emhlabeni wonke kuqhuba isidingo sebhalansi yezingxenye zesistimu (BOS) ezonga izindleko, amaqembu okuthenga aya ngokuya ebheka ngale kwabahlinzeki basekhaya. Ngokusebenzisa izindawo zokukhiqiza zomhlaba wonke, abathuthukisi banganciphisa kakhulu izindleko zezimali ngaphandle kokubeka engcupheni ukuthembeka kwesistimu noma isivuno samandla.

Yimaphi abashayeli bezindleko abaluleke kakhulu

Ukuqonda iziguquguquko eziyinhloko zezimali kubalulekile kunoma yiliphi isu elihloselwe ukuthola izintambo zesandiso se-PV okonga izindlekoIzindleko zezinto zokusetshenziswa zibusa iphrofayili yokukhiqiza, kanti ithusi elifakwe emathinini elihlanzekile kakhulu libalelwa ku-60% kuya ku-70% wezindleko zeyunithi iyonke. Ukuguquguquka kwenkomba yethusi yeLondon Metal Exchange (LME) kuthinta ngqo amamodeli entengo yefektri. Ngaphezu kwalokho, ukukhetha izinto zokushisa kanye nezinto zokubopha, ngokuvamile i-polyethylene exhumene (XLPE) noma ama-polymer akhethekile, kuthinta kokubili ukuqina kanye nentengo eyisisekelo. Izindleko zefektri, i-arbitrage yabasebenzi ezindaweni zokukhiqiza zaphesheya, kanye nokusebenza kahle kokukhiqiza yikho okuguquguqukayo kwezindleko ezisele. Ngokubeka isikhathi sokuthenga okukhulu ngesikhathi sokuwa kwemakethe yethusi okuhle, abathengi bangazithola izinzuzo ezinkulu zezimali.

Abathengi kufanele bazichaze kanjani ngokucacile izidingo

Ukunemba ekucacisweni kobuchwepheshe kuvimbela ubunjiniyela obubizayo ngokweqile futhi kususa ingozi yezingxenye ezingasebenzi kahle. Abathengi kumele bachaze izindawo eziqondile ezinqamula izigaba ngokusekelwe ezidingweni eziqondile ze-amperage yesistimu; isibonelo, ukucacisa i-4mm² (12 AWG) esikhundleni sokushintsha i-6mm² (10 AWG) uma kuphephile futhi kuhambisana nemithetho kungaletha ukonga okusheshayo kwezinto eziningi ze-15% kuya ku-20%.

Ngaphezu kwalokho, amaqembu okuthenga kufanele achaze ngokucacile ukubekezelelana kwemvelo, njengokumelana ne-UV, izithiyo zomswakama, kanye namazinga okushisa okusebenza asukela ku--40°C kuya ku-+120°C. Izimboni zaphesheya kwezilwandle ngokuvamile zidinga ama-Minimum Order Quantities (MOQs) aqala phakathi kwamamitha angu-5,000 no-10,000 ngemibala yejakethi eyenziwe ngokwezifiso, izixhumi ezikhethekile, noma ubude obuthile obunqunyiwe kusengaphambili. Ukuchaza la mapharamitha kusengaphambili kunciphisa imijikelezo yokubuyekeza futhi kusheshise isikhathi sokukhiqiza.

Yini okufanele abathengi bayiqhathanise lapho bekhetha abahlinzeki

Ukukhetha umlingani wokukhiqiza ofanele kudinga ukuhlolwa okuqinile kwamakhono efektri, izinhlelo zokulawula ikhwalithi, kanye nokunamathela kwemithetho. Ukuqhathanisa okuhlelekile kuqinisekisa ukuthi ukonga kokuqala kusengaphambili akupheliswa ukwehluleka kwezingxenye ngaphambi kwesikhathi, izingozi zokuphepha, noma izinhlawulo zokuthobela imithetho ngesikhathi sokuxhumeka kwegridi.

Yiziphi izindlela ezisekela ukukhethwa kwefektri

Ukuhlolwa kwefektri okuphumelelayo kufanele kubeke phambili amandla okukhiqiza, amazinga okuzenzakalelayo, kanye nezinhlelo zokuphatha ikhwalithi ezisunguliwe. Abathengi kumele baqinisekise izitifiketi ze-ISO 9001 futhi bahlole ingqalasizinda yokuhlola yomkhiqizi, okuhlanganisa ama-oven asebekhulile angaphakathi endlini, amakamelo okuhlola ane-voltage ephezulu, kanye namadivayisi agobile ngokubandayo. Ukuzenzakalela okuthuthukisiwe kwe-extrusion kunciphisa amaphutha omuntu, kuqinisekisa ukujiya kokufakwa kokushisa okuqhubekayo kuyo yonke imisebenzi yokukhiqiza emikhulu.

Umhlinzeki othembekile wesigaba sokuqala kufanele abonise izinga lokukhubazeka eligcinwe ngaphansi kuka-0.1% (1,000 PPM). Ngaphezu kwalokho, ukuhlola inethiwekhi yokuthola izinto zokusetshenziswa efektri kunikeza ukuqonda ngekhono layo lokumunca ukushaqeka kweketanga lokuhlinzeka, ukugcina amashejuli okulethwa ahambisanayo, nokugwema ukufaka esikhundleni sezinsimbi eziphansi ngesikhathi sokukhuphuka kwentengo yethusi.

Ukuhambisana nomthetho, imibiko yokuhlola, kanye nokusebenza komjikelezo wokuphila kuqhathaniswa kanjani

Ukufakwa kwelanga kudinga ukunamathela ngokuqinile ezindinganisweni zomhlaba wonke ukuqinisekisa ukuphepha nokuphila isikhathi eside. Abakhiqizi kumele banikeze imibiko yokuhlola eqinisekisiwe evela ezinhlanganweni ezizimele eziqashelwayo njenge-TÜV Rheinland noma i-Underwriters Laboratories (UL).

Ukuqhathanisa lezi zilinganiso zokuthobela imithetho kuqinisekisa ukuthi izintambo ezikhethiwe zihambisana nezidingo zegridi yesifunda kanye namakhodi kagesi endawo. Isibonelo, ikhebula elijwayelekile elihambisana ne-EN 50618 lenzelwe ukumelana nokuchayeka okuqhubekayo kwe-1500V DC kanye nokucindezeleka okukhulu kwemvelo okungenani iminyaka engama-25. Ukuqinisekisa lezi zilinganiso zokusebenza komjikelezo wokuphila kuvikela ngqo iMbuyiselo Yotshalomali Yesikhathi Eside (i-ROI) yalo lonke uhlu lwelanga.

Yimaphi amasu okuthola kanye nokuthutha anciphisa izindleko eziphelele

Ngale kwentengo yeyunithi yezintambo, izindleko eziphelele ezifike zithonywa kakhulu yizinto zokuthutha, intela yokungenisa impahla, kanye namaqhinga okuxoxisana ngamasu. Ukuthengwa kwempahla okuphumelelayo kudinga umbono ophelele wochungechunge lonke lokuhlinzeka ukuze kuqondiswe ubunzima bezohwebo lwezwe kanye nokuvikela izinzuzo zephrojekthi.

Abathengi bangazinciphisa kanjani izindleko zomhlaba ngokuxoxisana

Ukuthuthukisa ukuthunyelwa kwempahla kubalulekile ngezimpahla ezinkulu nezisindayo ezifana nokufakwa kwezintambo zethusi. Abathengi banganciphisa izindleko zomhlaba ngokuxoxisana nge-Incoterms evumayo, njenge-Free on Board (FOB) kune-Ex Works (EXW), okuholela ekushintsheni ngempumelelo izindleko zokuphatha nokulayisha i-origin-port kumhlinzeki. Ukuhlanganisa ukuthunyelwa kube yi-Full Container Loads (FCL) kunciphisa kakhulu izindleko zokuthutha ngeyunithi ngayinye.

Ngokomongo, ukuthunyelwa kwesitsha esijwayelekile esingamamitha angu-20—esigcina ngokuphephile cishe amamitha angu-300,000 ekhebula le-PV elijwayelekile elingu-4mm² ezitsheni zokhuni—ngokuthunyelwa kolwandle kunganciphisa izindleko zokuhamba ngemitha ngayinye ngo-40% uma kuqhathaniswa nokuthunyelwa kwe-Less than Container Load (LCL) noma ukuthunyelwa kwendiza okusheshayo. Ukuhlukaniswa kwentela yamasu kanye nokusebenzisa izivumelwano zokuhweba zamahhala ezisebenzayo nakho kunciphisa intela yamasiko engalindelekile echwebeni lokuya kulo.

Yiluphi uhlaka lwezinqumo okufanele amaqembu okuthenga asebenzise

Amaqembu okuthenga kufanele asebenzise uhlelo Uhlaka lwezindleko zobunikazi eziphelele (i-TCO) kunokuba kuhlolwe amabhidi efektri kuphela ngentengo yeyunithi yokuqala ephansi kakhulu. Le modeli ephelele ibheka izindleko zokuthenga, ukuthutha olwandle, ezokuthutha zangaphakathi nezwe, intela yokungenisa impahla, amazinga okukhubazeka omlando, kanye nezindleko zesicelo sewaranti ezingaba khona.

Abenzi bezinqumo kumele futhi bacabangele ngokucophelela izikhathi zokuhola zokukhiqiza, ezivame ukuba phakathi kwamasonto amathathu kuya kwayisihlanu ezindaweni ezinabasebenzi abaningi baphesheya kwezilwandle, kanye namasonto amane kuya kwayi-6 engeziwe okuthutha olwandle kanye nokususwa kwentela. Ukuhlanganisa isibonelelo sesitokwe esinobungcweti ngaphakathi kwalolu hlaka lwe-TCO kunciphisa ukuphazamiseka kweketanga lokuphakelwa, okuqinisekisa ukuthi amashejuli okufakwa kwephrojekthi ahambisana kakhulu awaphazanyiswa yizithiyo ezingalindelekile zokuhamba.

Izinto Ezibalulekile Okufanele Uzicabangele

• Iziphetho ezibaluleke kakhulu kanye nesizathu sokuthola izintambo zesandiso se-PV zonga izindleko
• Imininingwane, ukuhambisana, kanye nokuhlolwa kwengozi okufanele kuqinisekiswe ngaphambi kokuthi uzibophezele
• Izinyathelo ezilandelayo ezisebenzayo kanye nezixwayiso abafundi abangazisebenzisa ngokushesha

imibuzo ejwayelekile ukubuzwa

Yini esindisa imali eningi uma uthenga izintambo ze-PV extension kwamanye amazwe?

Gxila kusayizi womqhubi, isikhathi sethusi, kanye nezindleko zokufika. Ukulinganisa i-4mm² esikhundleni sokucacisa ngokweqile i-6mm² kunganciphisa izindleko zezinto ngo-15%–20% uma izidingo zesistimu zivuma.

Abathengi bangakugwema kanjani ukukhokhela izidingo zekhebula ezingadingekile?

Nikeza i-amperage eqondile efektri, i-voltage, izinga lokushisa, ukuchayeka kwe-UV, uhlobo lwesixhumi, kanye nobude bokusika. Imininingwane ecacile inciphisa ukwakheka kabusha, ivimbela ubunjiniyela obungaphezu kobuningi, kanye nokukhiqizwa kwesivinini.

Yikuphi ukuhlola kwasembonini okubaluleke kakhulu ngaphambi kokufaka i-oda lekhebula le-PV elikhulu?

Qinisekisa i-ISO 9001, ikhono lokuhlola ngaphakathi, izinga lokuzenzakalela, kanye nezinga lokukhubazeka elingaphansi kuka-0.1%. Cela amarekhodi okuhlolwa kwakamuva kanye nedatha yokuhlola yesampula ngaphambi kokuvuma ukukhiqizwa.

Kungani imibiko yokuhlolwa kwe-TÜV noma i-UL ibalulekile kumakhebula okunwetshwa kwe-PV?

Baqinisekisa ukuthi ikhebula lihlangabezana nezindinganiso ezidingekayo njenge-EN 50618 noma i-UL 4703. Lokhu kusiza ukugwema izinkinga zokuthobela imithetho, ukuhlolwa okuhlulekile, kanye nezindleko zokushintsha ngaphambi kwesikhathi.

Isu lokuthumela linganciphisa kanjani izindleko zokuthola ikhebula kwamanye amazwe?

Qhathanisa izindleko ezigcwele zokufika, hhayi intengo yeyunithi kuphela. Hlanganisa ama-oda, qinisekisa i-Incoterms kusenesikhathi, bese uhlela imikhawulo ye-MOQ ukuze wehlise izindleko zokuthutha impahla, ezentela, kanye nokuthunyelwa kwempahla ngokushesha.