TL;DR.A cikin shekaru 10 na aiki, igiyoyin kebul na bakin karfe galibi suna cin nasara akan jimillar farashin mallakar gonakin hasken rana na waje duk da farashin farko sau 3-10. Nasarar TCO ta fito ne daga kawar da aikin maye gurbin - babban ɓangaren farashi - da kuma guje wa gazawar sarrafa kebul daga lalacewar igiyoyin nailan. A kan gonar 100 MW tare da igiyoyin kebul 200,000, TCO na shekaru 10 shine dala 400,000-800,000; daidai gwargwado na ƙarfe bakin karfe shine dala 150,000-300,000. Matsakaicin daidaitawa ya dogara da yanayi (ƙarfin UV, kewayon zafin jiki), farashin samun damar gyara, da kuma tsarin sake zagayowar mai aiki.

Layukan Kebul na Bakin Karfe Mai Kulle-ƙulle — samfurin da aka yi amfani da shi a cikin kwatancen gonakin hasken rana na shekaru 10 na TCO. Tushe: Xinjing Stainless Steel Co., Ltd.

Me yasa Zaɓin Kebul ɗin Tambaya ce ta TCO, ba Tambaya ta Musamman ba

Lokacin da ƙungiyar EPC ta gonakin hasken rana ta tantance igiyoyin kebul don sarrafa igiyoyin DC, kebul na tattara AC yana aiki, da kuma wayoyi masu aiki daga panel zuwa inverter, shawarar yawanci tana farawa ne a matsayin tambaya ta kayan aiki: nailan ko bakin ƙarfe. Tambayar da za a biyo baya - wanne ya fi arha - ita ce tambayar da ba daidai ba. Tambayar da ta dace ita ce: tsawon shekaru 10 na ƙirar gonar hasken rana mai amfani, nawa ne jimlar kuɗin kowane abu, gami da aikin maye gurbin da kuma gazawar haɗin da ya lalace?

Domin amsa wannan tambayar da wani abu fiye da ikirarin tallatawa, mun haɗa tsarin shekaru 10 na jimlar kuɗin mallakar mallaka idan aka kwatanta da na shekara-shekara.igiyoyin kebul na bakin karfe(nau'in makullin ƙwallo, maki 304 da 316L) akan daidaitattun igiyoyin nailan na PA66 (wanda aka daidaita da UV kuma ba a daidaita shi ba). Tsarin ya haɗa da farashin kayan aiki, mitar maye gurbin, aikin maye gurbin, da kuma farashin gazawar haɗin da ya lalace akan gonar hasken rana mai ƙarfin MW 100. Wannan labarin yana zana bayanai game da shigarwar samfurin, abubuwan da suka shafi farashi, da kuma nazarin daidaiton daidaito.

Muhalli na Fitowar Gonar Rana ta Waje

Gonar hasken rana ta waje tana ɗaya daga cikin wurare mafi tsauri ga kowace na'urar sarrafa kebul. Haɗe-haɗen kebul suna zaune a cikin hasken rana kai tsaye, suna ganin cikakken zagayowar zafin rana, suna shan wahalar yashi da ruwan sama da iska ke turowa, kuma a wasu yankuna suna fuskantar lalacewar beraye da tsuntsaye. Abubuwa huɗu masu haifar da lalacewar ɗaurin kebul a ayyukan gonakin hasken rana sune:

• Haskar UV.Polyamide (nailan) wani abu ne na halitta; UV yana karya haɗin amide akan lokaci, wanda ke haifar da yanke sarka, asarar ƙarfin tauri, da kuma gazawar karyewa daga ƙarshe. Nailan mai launin baƙi mai daidaita UV yana ƙara lokacin da kashi 30-50% amma ba ya kawar da yanayin gazawa.
• Zafin jiki.Zafin saman panel ɗin hasken rana a lokacin rana kai tsaye a lokacin bazara yana kaiwa 70-85°C a yanayin zafi da kuma 90°C+ a wuraren da aka sanya hamada. Matsakaicin yanayin hunturu a yankunan sanyi yana raguwa zuwa -30°C ko ƙasa da haka. Zagayen zafin shekara-shekara yana ƙarfafa kowane polymer da yawancin ƙarfe.
• Danshi da gishiri.Wuraren bakin teku, wuraren hasken rana masu iyo a teku, da wuraren zafi masu zafi suna fallasa haɗin kebul ga tsatsa da ke haifar da chloride. Nailan yana shan ruwa kuma yana canza girma; ƙarfe mai ƙarfe 304 na yau da kullun yana da rauni ga rami a cikin mahalli mai arzikin chloride.
• Inji da kuma na halitta.Girgizar iska, faɗaɗa zafin kebul, tauna beraye (masu ƙwai, beraye), da lalacewar tsuntsaye (musamman a lokacin da tsuntsaye ke zaune a gida) duk suna ƙarfafa ɗaure kebul ta hanyoyin da takardar bayanai ta kayan ba ta ɗauka.

Matsi guda huɗu sun haɗu. Tayin kebul na nailan wanda ya tsira daga hasken UV na tsawon shekaru 3 har yanzu yana iya lalacewa a ƙarƙashin harin beraye a shekara ta 4. Tayin ƙarfe mai bakin ƙarfe wanda ke kula da yanayin UV da zafin jiki ba tare da korafi ba zai iya lalacewa a mahaɗin kulle-kulle a cikin yanayin fesa gishiri a bakin teku. Tsarin TCO dole ne ya magance damuwa mai haɗuwa, ba kawai takardar bayanai na kayan ba.

Layukan Kebul na Bakin Karfe: Menene Su Kuma Yadda Suke Aiki

An yi amfani da igiyoyin kebul na bakin karfe daidai gwargwado daga tsiri mai kama da bakin karfe mai naɗewa da sanyi, yawanci nau'in 304 ko 316L.nau'in kulle kai na ballyana amfani da bearer na bakin ƙarfe da aka kama a kan kullewa; yayin da aka ɗaure ƙullin, ƙwallon ta zauna a wurin kullewa kuma ƙullin ƙullin ya kasance na dindindin. Ba za a iya sake buɗe ƙullin ba tare da yankewa ba, wanda shine halayen da ake so don sarrafa kebul na gonakin hasken rana inda ƙullin wani ɓangare ne na hanyar sadarwa ta kebul na dogon lokaci.

Ma'aunin kayan da ake amfani da su a cikin igiyoyin wutar lantarki na gonakin rana:

• Bakin ƙarfe 304.Matsayin aikin injin don yanayin cikin gida mai ƙarancin tsatsa. Ƙarfin taurin yana tsakanin 515-620 MPa ya danganta da yanayin sanyi; kewayon zafin aiki shine -80°C zuwa +500°C akai-akai. 304 shine mafi ƙarancin farashin bakin ƙarfe wanda ya dace da yawancin wuraren gona na hasken rana.
• Bakin karfe 316L.Zaɓin ruwa na wuraren bakin teku, wuraren zafi mai zafi, da kuma duk wani yanayi a cikin kilomita 5 daga tushen sinadarai na masana'antu. Abubuwan da ke cikin molybdenum na 2-3% suna inganta juriyar rijiyoyin chloride sosai. 316L yawanci ya fi tsada fiye da 304 da kashi 30-50%.
• Bakin ƙarfe 201.Zabin kasafin kuɗi wani lokacin ana amfani da shi don aikace-aikacen da ba su da mahimmanci. Ƙananan juriya ga tsatsa fiye da 304 kuma ba a ba da shawarar yin amfani da shi don ayyukan gona na hasken rana a waje ba.

Kasidar mu ta ƙunshi cikakken jerinigiyoyin kebul na bakin karfea cikin nau'ikan 200, 300, 400 da kuma duplex, tare da zaɓuɓɓukan da aka rufe da epoxy da PVC don shigarwa inda ake buƙatar ƙarin kariya daga rufi. Laburaren kayan ƙarfe na bakin ƙarfe na Xinjing kuma yana goyan bayan ƙarfen da ke ƙarƙashin ƙasa (wanda aka naɗe shi da sanyi a cikin kauri 0.03-3.0 mm, faɗin 10-600 mm) don layin samar da ɗaure kebul.

Layukan Kebul na Nailan: Menene Su da Yadda Suke Fasawa

An yi amfani da igiyar nailan - wadda ƙungiyar EPC ta gonakin hasken rana ta saba da ita - an yi mata allurar rigakafi daga polyamide 6.6 (PA66) tare da ƙarin na'urar daidaita hasken UV. An yi amfani da haƙorin ratchet mai hanya ɗaya wanda ke kulle har abada a ƙarƙashin matsin lamba kuma ba za a iya sake buɗe shi ba tare da yankewa ba. Madaurin nailan na yau da kullun ba su da araha (USD 0.05-0.30 a kowace yanki), mai sauƙin shigarwa, kuma an yi masa laƙabi da juriyar UV.

An rubuta yanayin gazawar haɗin kebul na nailan a cikin ayyukan gona na hasken rana a waje:

1. Ragewar sarkar da UV ke haifarwa.Haskar UV tana karya alaƙar amide a cikin kashin bayan polyamide. Ƙullin yana rasa ƙarfin juriya a hankali tsawon watanni, sannan ya rasa tsayi da sauri, sannan ya zama mai rauni kuma ya gaza yayin da ake ɗauka.
2. Iskar shaka ta thermal.Zafi yana hanzarta lalacewar iskar shaka ta polyamide. Wuraren gonakin hasken rana masu yanayin zafi mai ɗorewa suna samun lalacewa da sauri fiye da wuraren da ke da yanayin zafi.
3. Ruwan ruwa.PA66 yana shan ruwa (kimanin kashi 8-10% na nauyi a lokacin da ya cika). Kewaya da ruwa a cikin yanayi mai danshi yana haifar da hydrolysis na haɗin amide da asarar halayen injiniya.
4. Gajiya ta injina.Girgizar iska, faɗaɗa zafin kebul, da kuma kula da na'urar shigarwa duk suna haifar da lodin da ke zagaye. Juriyar gajiyar nailan ta fi ƙasa da ƙarfinta na tsaye.

Jagorar masana'antu ta yau da kullun ita ce ɗaure kebul na nailan a cikin hasken rana a waje yana kaiwa ga asarar ƙarfin 50% a cikin watanni 18-30 a ƙarƙashin hasken UV, tare da lalacewa gaba ɗaya (rashin ƙarfi) a shekara ta 4-6 dangane da yanayi. Yankunan da ke da zafi (Gabas ta Tsakiya, cikin Ostiraliya, Kudu maso Yammacin Amurka) suna hanzarta lokacin; yankuna masu sanyi da yanayin zafi na iya tsawaita shi. Nailan baƙi mai daidaitaccen hasken UV yana tsawaita lokacin da kashi 30-50%, amma bai yi daidai da tsawon rayuwar bakin ƙarfe ba.

Tsarin TCO na Shekaru 10

Ga tsarin TCO, muna amfani da wata gona mai amfani da hasken rana mai karfin MW 100 tare da igiyoyin kebul 200,000 a farkon shigarwa. Tsarin ya ƙunshi sassa huɗu na farashi: kayan aiki, kayan maye gurbinsu, aikin maye gurbinsu, da kuma kuɗin gazawa. Tsarin ya ɗauka cewa mai aiki zai gudanar da gonar na tsawon shekaru 10 na ƙira tare da tsarin sake sarrafa kebul na DC da kuma tsarin sake sarrafa kebul na AC a shekara ta 5.

Samfurin ya nuna cewa igiyoyin ƙarfe na bakin ƙarfe suna cin nasara akan TCO na shekaru 10 duk da farashin kayan da aka riga aka saka sau 3-10 a kowane yanki. Nasarar ta fito ne daga sassa uku: kawar da aikin maye gurbin (bangaren farashi mafi rinjaye), kawar da farashin lalacewa (lalacewar madauri akan da'irori masu mahimmanci), da kuma kawar da farashin zubar da kaya a ƙarshen rayuwa (bakin ƙarfe ana iya sake amfani da shi, nailan yana zuwa wurin zubar da shara).

Sashen Kudin Kayan Aiki

Kayan da aka yi amfani da su wajen yin kayan shine lambar kanun labarai da yawancin ƙungiyoyin EPC ke farawa da ita, kuma ita ce ke sa nailan ta yi kama da mai rahusa a saman. A kan dala 0.05-0.30 ga kowane yanki na nailan da kuma dala 0.50-1.50 ga kowane yanki na bakin karfe, kayan layin kayan ƙarfe na bakin karfe sun ninka na layin nailan sau 3-10 a farkon shigarwar 200,000. A kan gonar 100 MW, wannan shine dala 100,000-300,000 ga bakin karfe idan aka kwatanta da dala 10,000-60,000 ga nailan.

Tazarar kuɗin kayan yana rufewa a tsawon lokacin sabis yayin da ake maye gurbin madaurin nailan kuma farashin maye gurbin yana ƙaruwa. A shekara ta 4-6, jimillar kuɗin kayan nailan ya zarce farkon kuɗin kayan bakin ƙarfe. A shekara ta 10, jimillar kuɗin nailan ya ninka na ƙarfen bakin ƙarfe sau 3-5, ko da kafin a ƙara aiki.

Ma'aikacin Sauya Aiki: Babban Bangaren TCO

Sashen ma'aikata na maye gurbin shine babban abu guda ɗaya tilo a cikin samfurin TCO na shekaru 10. Sauya kebul ɗin da ke kan gonar hasken rana mai girman sikelin amfani yana buƙatar kayan aiki (mai ɗaukar ceri ko ɗaga almakashi), lokacin tafiya zuwa wurin da aka gaza ɗaurewa, daurin da aka maye gurbin da kansa, da lokacin mai sakawa. Kudin aiki gaba ɗaya shine USD 1.5-3.5 a kowace ɗaurewa idan aka haɗa da kayan aiki da tafiya.

Kebul ɗin da aka ɗaure da kansa yana da dala 0.05-0.30 ga nailan ko kuma dala 0.50-1.50 ga bakin ƙarfe.Aikin yana ninka farashin kayan nailan sau 5-10 kuma kusan daidai yake da farashin kayan na bakin karfe.Rabon ma'aikata na TCO shine dalilin da ya sa mafita mai tsadar kayayyaki za ta iya cin nasara akan jimillar farashi: yana kawar da aiki, ba kawai kayan aiki ba.

A gonar mai karfin MW 100 tare da madaurin 200,000 da kuma maye gurbin nailan 10% a kowace shekara, farashin aiki na shekara-shekara shine USD 30,000-70,000. Fiye da shekaru 10, jimlar aikin maye gurbin nailan shine USD 300,000-700,000. Gonar iri ɗaya da madaurin bakin karfe da kuma maye gurbin 0-1% a kowace shekara tana da farashin aiki na shekaru 10 na USD 0-70,000. Yankin ma'aikata kaɗai shine USD 230,000-630,000 maimakon bakin karfe.

Kudin Rashin Nasara: Kayan Layin da Aka Boye

Sashen kuɗin gazawar shine abin da yawancin ƙungiyoyin EPC ke rainawa. Layin kebul na nailan da ya lalace ba wai kawai yana faɗuwa cikin tsabta ba ne - yana sakin layin kebul a hankali, yana barin kebul ɗin ya motsa, ya yi kumbura, sannan daga ƙarshe ya lalace. Yanayin gazawar daga layin kebul da ya lalace a gonar hasken rana sun haɗa da:

• Laifi a ƙasa.Kebul ɗin igiyar DC wanda ya rasa tayensa kuma ya taɓa rack ko firam ɗin panel yana haifar da matsalar ƙasa wanda ke toshe inverter kuma yana kashe igiyar har sai an yi amfani da hannu.
• Laifi na baka.Jaket ɗin kebul na DC mai yamutsi wanda aka fallasa ta hanyar ɗaure shi da ba shi da kyau na iya haifar da matsalar baka, wanda hakan ke haifar da gobara a yanayin busasshiyar ciyayi.
• Lalacewar kebul.Sau da yawa motsi na wani kebul mara tsaro a kan racking yana lalata jaket ɗin kuma yana fallasa jagoran.
• Katsewar igiya.Layin da aka cire ko kuma wanda ya lalace yana rage yawan samar da amfanin gona har sai an maye gurbin ƙullin kuma an sake haɗa kebul ɗin.

Kudin da masana'antu suka bayar na lalacewar igiya ɗaya a cikin gonar samar da hasken rana shine dala 500-3,000 idan aka haɗa dukkan abubuwan (lokacin gano cutar, ɓangaren maye gurbin, asarar samar da wutar lantarki, ma'aikatan gyara). Gona mai ɗaure nailan 200,000 da maye gurbin kashi 10% na shekara-shekara na iya tsammanin aukuwar lalacewar ƙasa ko lalacewar baka 30-80 a kowace shekara daga lalacewar haɗin. Fiye da shekaru 10, jimlar kuɗin lalacewar nailan shine dala 50,000-150,000; ga bakin ƙarfe, daidai gwargwado shine dala 0-15,000.

Jin Daɗin Yanayi: Dalilin da Yasa Wuri Mai Zafi da Wuri Mai Gaɓar Teku Suka Fi Son Bakin Karfe

Tsarin TCO na shekaru 10 yana da sauƙin amsawa ga yanayin da ake ciki. Matsakaicin maye gurbin nailan na kashi 8-15% a kowace shekara shine matsakaicin yanki mai zafi; wuraren zafi da bushewa da kuma wuraren bakin teku suna samun ƙarin farashi. Matsakaicin maye gurbin da aka daidaita da yanayi shine:

Tsarin TCO na shekaru 10 a yanayin zafi mai zafi yana karkata zuwa ga bakin karfe. A cikin kashi 15% na kuɗin maye gurbin nailan a kowace shekara, jimillar kuɗin aikin nailan a cikin shekaru 10 shine dala 450,000-1,050,000 - wanda ya fi tsada fiye da farashin kayan ƙarfe na dala 100,000-300,000. Wuraren da ke bakin teku sun fi ban mamaki: bakin karfe mai lita 316 shine kawai zaɓin da ya dace ga yanayin teku, kuma ƙimar maye gurbin nailan ta sa nailan ba ta da ƙarfi a fannin tattalin arziki.

Sauyin Sauyawa: Direban Mai Shiru

Mitar maye gurbin ita ce abin da ke haifar da shiru na samfurin TCO. Ba shine lambar kanun labarai ba, amma shine abin da ke ƙayyade ko farashin shekaru 10 ya mamaye kayan aiki ko kuma aiki. Mitar maye gurbin ya dogara ne akan abubuwa uku:

1. Bayyanar yanayi.Hasken UV, zagayowar zafin jiki, da kuma danshi duk suna hanzarta lalacewar nailan. Mitar maye gurbin ya kama daga kashi 5% a kowace shekara a yanayin sanyi zuwa kashi 22% a kowace shekara a wuraren da ke da zafi a bakin teku.
2. Ingancin shigarwa.Daurin nailan da aka matse da yawa yana lalacewa da sauri saboda yana farawa da matsin lamba na ciki. Daurin da aka matse yana ba da damar daurin ya motsa ya yi kumbura. Daidaitaccen matsin lamba na shigarwa shine ƙwarewar mai sakawa da aka koya.
3. Samun damar kulawa.Wuraren da ba su da isasshen damar kulawa (masu shawagi a kan hasken rana, wuraren hawa masu tsayi, da kuma wuraren da ke da hamada mai nisa) suna ganin hauhawar farashin aiki saboda kayan aikin shiga da lokacin tafiya sun fi yawa.

Ga masu aikin gona na hasken rana waɗanda ke da jadawalin kulawa mai kyau da kuma kyakkyawan damar shiga, ana iya riƙe ƙimar maye gurbin nailan a ƙarshen iyaka. Ga masu aiki waɗanda ke da jinkiri ko rashin isa ga hanya, ƙimar maye gurbin tana kan babban matsayi ko sama da haka. Tsarin TCO yana amfani da kashi 10% a matsayin matsakaicin yanayi mai zafi; masu aiki ya kamata su daidaita bisa ga bayanan kulawa na kansu.

Zaɓin Kayan Aiki: 304, 316L, ko Mai Rufi da Epoxy

Zaɓin matakin ƙarfe na bakin ƙarfe shawara ce ta biyu ta TCO wadda ta haɗa babban nasarar TCO. Ga yawancin wuraren noman hasken rana na cikin gida, ƙarfe mai ƙarfe 304 shine zaɓi mai rahusa kuma samfurin TCO na shekaru 10 da ke sama yana amfani da 304. Ga wuraren da ke bakin teku, danshi mai yawa, ko kuma wuraren da ke lalata masana'antu, 316L shine zaɓin matakin ruwa kuma ƙarin farashin kayan 30-50% ana rage shi ta hanyar rage maye gurbin da ke haifar da tsatsa.

Ga shigarwa inda jaket ɗin kebul ɗin ke da saurin lalacewa ta injiniya, ɗaure bakin ƙarfe mai rufi da epoxy ko PVC yana ƙara wani Layer mai aminci ga rufi. Rufin yana ƙara kashi 20-40% ga farashin kayan amma yana kawar da haɗarin yanke rufi. Ga kebul na igiyar DC tare da rufin XLPE na yau da kullun, 304 mara rufi ya isa. Ga jaket ɗin kebul masu laushi (TPE, wasu mahaɗan PVC), mai rufi da epoxy shine zaɓi mafi aminci.

Yadda RFPs na Gonar Rana ta Gaske Ke Keɓance Haɗin Kebul

Sabbin RFP guda biyu na gonakin hasken rana da suka haɗu a teburinmu sun nuna yadda zaɓin kayan ke gudana a aikace:

Kamfanin samar da wutar lantarki na hasken rana na Q4 2025, wanda aka yi wa lakabi da RFP, ya yi amfani da fasahar samar da wutar lantarki ta hasken rana, don samar da wutar lantarki mai karfin MW 100 a yankin kudu maso yammacin Amurka, wanda aka yi wa lakabi da "makullan kebul na bakin karfe 304, fadin mm 4.6, tsawon mm 200-360, juriya ga UV, tsawon shekaru 50 na zane." Kamfanin samar da wutar lantarki bai hada da nailan a matsayin madadin da aka amince da shi ba; kungiyar tsara EPC ta riga ta kammala da cewa kamfanin samar da wutar lantarki na shekaru 10 ya fi son bakin karfe a yanayin zafi mai zafi.

Na'urar samar da wutar lantarki mai amfani da hasken rana ta RFP ta kwata na 2026 don aikin samar da wutar lantarki mai karfin MW 25 a yankin kudu maso gabashin Asiya da ke gabar teku ta ƙayyade "maƙallan kebul na ƙarfe mai ƙarfin ƙarfe 316L, faɗin mm 4.6, an rufe su gaba ɗaya, yanayin ruwan teku ya yi kyau." Yanayin ruwan teku da yanayin zafi mai yawa sun sanya 316L ya zama zaɓi na farko na bakin ƙarfe; 304 zai lalace a mahaɗin kulle ƙwallon cikin shekaru 5-7.

Duk RFPs ɗin suna nuna tsarin masana'antu mai tasowa: zaɓin kayan ɗaure kebul yana ƙaruwa ne ta hanyar nazarin farashin zagayowar rayuwa maimakon farashi na farko. Ƙungiyoyin sayayya waɗanda ke aiki a gonakin samar da wutar lantarki na hasken rana sun fahimci ƙimar kayan ƙarfe sau 3-10; nasarar TCO ita ce abin da ke tabbatar da ƙimar.

Abin da za a ƙayyade a cikin RFP ɗin Kebul ɗinka

Ga ƙungiyoyin saye na gonakin hasken rana waɗanda ke rubuta takamaiman takamaiman kebul, layukan ƙayyadaddun bayanai guda huɗu da suka fi muhimmanci sune:

1. Matsayin kayan aiki."Bakin ƙarfe 304, bakin ƙarfe 316L, ko nailan PA66 mai daidaita UV." Kayyade matsayin, ba wai kawai "bakin ƙarfe" ko "nailan ba." Ana bayar da bakin ƙarfe 201 a matsayin madadin kasafin kuɗi amma ba a ba da shawarar yin amfani da shi don ayyukan gona na hasken rana a waje.
2. Tsarin kullewa."Nau'in kulle-kulle, kulle-kulle kai tsaye, amfani ɗaya." Kayyade tsarin kullewa don guje wa samun madaurin tsani ko kuma madaurin da za a iya sakewa waɗanda ba a tsara su don sarrafa kebul na dindindin ba.
3. Girma."Faɗin mm 4.6, tsawon zangon da zai dace da diamita na kunshin." A ƙayyade faɗi da tsayi, ba kawai "ƙulla kebul ba." Faɗi shine babban abin da ke tantance ƙarfin juriya; tsawon dole ne ya dace da kunshin.
4. Matsayin muhalli."Mai jure wa UV, mai juriya ga ruwa (ga wuraren bakin teku), mafi ƙarancin zafin jiki -40°C zuwa +85°C." Faɗi ƙimar muhalli don tabbatar da cewa haɗin ya dace da yanayin wurin.

Ga kayan biyu, nemi samfurin wurin dubawa kafin a yi odar gaba ɗaya. Samfurin ya kamata ya haɗa da gwajin ƙarfin tensile (ƙullin kebul ya kamata ya ɗauki kashi 80% na mafi ƙarancin nauyin tensile) da kuma duba gani (babu lahani a saman, babu hutun rufewa akan ƙulle-ƙulle masu rufi). Ga wuraren gona na hasken rana waɗanda ke da mahimmancin sarrafa kebul, matakin dubawa mai shigowa shine ma'aunin QC mafi mahimmanci.

Dorewa da Ƙarshen Rayuwa

Duk kayan suna da la'akari da ƙarshen rayuwa, amma girmansu ya bambanta. Ana iya sake yin amfani da bakin ƙarfe gaba ɗaya kuma yawan abin da aka sake yin amfani da shi na sabon bakin ƙarfe yawanci kashi 60-90% ne (ya danganta da mai samarwa). A ƙarshen tsawon shekaru 10 na aiki, ana iya dawo da igiyoyin kebul na bakin ƙarfe a matsayin tarkace sannan a sake shigar da su cikin sarkar samar da bakin ƙarfe ba tare da asarar kayan aiki ba.

Galibi ana cika igiyoyin waya na nailan a ƙarshen rayuwa. Ana iya sake amfani da PA66 a fasaha amma tattalin arzikin tattarawa da sake sarrafa ƙananan igiyoyin waya daga gonar hasken rana da aka rarraba ba shi da kyau. Yawancin masu aiki suna amfani da igiyoyin nailan da aka yi amfani da su azaman wani ɓangare na kwararar sharar gida.

Shawarar dorewa tsakanin bakin karfe da nailan ba shine babban abin da ke haifar da TCO ba, amma yana ƙara zama wani ɓangare na shawarar siyan ga masu aiki tare da umarnin ESG. Kudin zubar da nailan (kimanin dala 20,000 don gonar 100 MW tsawon shekaru 10) ƙaramin abu ne na layi, amma sawun carbon na hanyar zubar da na'urar wani ɓangare ne na faɗaɗawar hayaki mai yawa wanda wasu masu aiki ke bi.

Tambayoyin da Ake Yawan Yi