Zabar damawutar lantarkiyana daya daga cikin muhimman matakai na gina ingantaccen tsarin makamashin hasken rana. Madaidaicin girman kebul, kima, da kayan aiki kai tsaye suna shafar aikin tsarin, asarar kuzari, da dogayen dogaron lokaci. Tare da ma'auni na kebul na PV da yawa da akwai zaɓuɓɓuka, fahimtar abin da za ku nema yana taimaka muku guje wa kurakurai masu tsada. Wannan jagorar yana bayanin yadda ake zaɓar kebul ɗin da ya dace ta amfani da m, bayanai{4}} sharuɗɗan tallafi.
Wadanne nau'ikan igiyoyi ne ake amfani da su a tsarin hasken rana kuma wanne nake bukata?
Tsarin hasken rana yana amfani da kebul na musamman na hotovoltaic (PV) a gefen DC da daidaitattun igiyoyi masu ƙima na AC{0} akan ɓangaren inverter/fitarwa. Nau'in kebul na PV gama gari sun haɗa da PV1-F (wanda kuma ake kira PV waya ko kebul na hasken rana) da igiyoyi waɗanda aka yi wa ƙayyadaddun IEC 62930 / EN 50618. Waɗannan igiyoyi ne masu haɗaɗɗun igiyoyi waɗanda aka ƙera don bayyanar UV na waje, yanayin zafi mai tsayi, da dogon lokaci{8}}bayyanar injina ko sinadarai - kadarori na yau da kullun na ginin waya ba zai iya bayarwa ba. Yi amfani da PV{11}} igiyoyi masu ƙima don ƙayyadaddun bayanai{12}}zuwa{13}}mai haɗawa da kirtani{14}}zuwa-haɗe; yi amfani da na'urorin da aka tantance masu dacewa da AC bayan inverter.
Ta yaya zan ɗauki madaidaicin girman jagora (AWG / mm²)?
Zaɓi girman madubin ta hanyar duba takurawa guda biyu:rashin ƙarfi (ƙarar ɗaukar nauyi na yanzu)kumasauke ƙarfin lantarki.
Ampacity: Girman masu gudanarwa don ɗaukar aƙalla 125% na matsakaicin ci gaba na igiyoyin PV (jagorancin NEC don da'irori PV), da amfani da abubuwan gyara na gida don zafin jiki da haɗawa. Wannan yana hana zafi fiye da kima da haɗuwa da lambar. Enkonn Solar
Juyin wutar lantarki: Don doguwar tafiyar DC, raguwar wutar lantarki yana haifar da asarar wuta ta gaske (da asarar aikin tsarin). Masu ƙira yawanci suna iyakance raguwar ƙarfin wutar lantarki na DC zuwa ƙaramin kashi (misali, 1-3%). Yi amfani da wutar lantarki ta hasken rana -zubar da kalkuleta ko kebul{7}} kayan aiki mai girman girman don kwatanta zaɓuɓɓukan AWG/mm² akan duka ƙasƙanci da ƙa'idodi. Unbound Solar{9}}Doka mai sauri -na-yatsa (ba madaidaicin lissafi ba): don gajeriyar jagororin layi (<10 m) on 12–24 V systems, use thicker cable; on typical 48–600 V PV strings, #10–#6 AWG (6–10 mm² range) is commonly used depending on current and run length - always confirm with a specific calculation and local code.
Sayi dagaMai sarrafa Solar Systems, buƙatun takaddun bayanai da gano tsari, da adana bayanai don garanti/ dubawa.
Menene zafin jiki, UV, da ƙimar ƙarfin lantarki suke da mahimmanci?
Matsakaicin zafin zafin mai gudanarwa mai ci gaba a ko sama da digiri 90 (yawancin igiyoyin PV an ƙididdige digiri 90 ko sama).
Juriya UV da hasken rana{0}} Jaket ɗin da aka ƙididdigewa don buɗewar rufin rufin (PV1-F / EN 50618 / IEC 62930 iri).
Ƙimar ƙarfin lantarki fiye da matsakaicin ƙarfin aiki na tsarin ku - igiyoyin PV na zamani ana ƙididdige su har zuwa 1.5kV DC don kayan aiki da tsarin kasuwanci (IEC 62930 yana rufe har zuwa 1.5 kV). IEC Webstore{5}
Amfani da kebul tare da ƙarancin zafin jiki, UV, ko ƙimar ƙarfin lantarki yana haifar da haɓaka tsufa, rugujewar rufi, da keta haddi na lamba.
Me game da masu haɗin kai - MC4 da dacewa?
Yi amfani da masana'antu{0}misali, UV{1} masu haɗin PV masu ƙima (MC4 ko masu haɗin haɗin kai masu jituwa) don tsarin{3} zuwa{4}}module da module{5}}zuwa-haɗin jagoranci. Tabbatar cewa an ƙididdige masu haɗin kai da kyau don ma'aunin kebul ɗin da ka zaɓa kuma na gaske ne (masu haɗa haɗin jabu na iya haifar da mummunan lamba, zafi mai zafi, ko shigar ruwa). Bi jujjuyawar magudanar mahaɗa da damuwa{9}} umarni na taimako kuma kiyaye kebul tsakanin ~20 mm na taya mai haɗin don kare madubin.
ya kamata a yi amfani da jan ƙarfe da aka dasa, daɗaɗɗen ko daskararrun madugu?
Tagulla madaidaiciana ba da shawarar ko'ina don igiyoyin PV saboda tin plating yana rage lalata (mahimmanci a cikin ɓangarorin ɗanɗano / bakin teku) kuma masu da'ira suna ba da sassauci don kewayawa da haɗi. Ƙaƙƙarfan madugu ba sabon abu ba ne don wayoyi na module na PV saboda sun fi wahalar hanya kuma sun fi saurin karyewa a cikin yanayin girgizawa/sauƙi. Yawancin kebul na musamman na PV{2} suna zuwa tare da dandali, masu ɗaurin jan ƙarfe mara kyau.
Ta yaya lambobi da ƙa'idodi ke shafar abin da na saya?
Lambobin lantarki na gida (misali, NEC a cikin Amurka, IEC/EN a wasu ƙasashe da yawa) sun ba da izinin rashin ƙarfi na madugu, kariyar wuce gona da iri, iyakokin ƙarfin lantarki, ƙimar zafin jiki, hanyoyin shigarwa, da yarda mai haɗawa. Alal misali, NEC (Mataki na 690) yana da ƙayyadaddun buƙatun don girman kewaye na PV da matsakaicin ƙarfin tsarin; A cikin Turai da kasuwannin duniya da yawa, IEC 62930 da EN 50618 sun ƙayyade ginin kebul na PV da gwaji. Sayi igiyoyi tare da takaddun shaida masu dacewa (UL 4703, TÜV, EN 50618, IEC 62930) don sauƙaƙa amincewar dubawa da amincin dogon lokaci.
Yadda Ake Gano Yadda Ake Zaɓan Kebul ɗin Wuta Mai Kyau don Tsarin Makamashin Rana naku?
Jshcable Yadda Ake Zaɓan Kebul ɗin Wuta Mai Kyau don Mai ƙirƙira Tsarin Makamashi na Rana? Muna da takaddun shaida daga ƙungiyoyin da aka sani a duniya kamar ISO, UL, da IEC. Jumlar Solar Systems Farashin Supplier, Mu OEM & ODM Sabis. Samar da ƙididdiga na fitarwa.Tuntube mu
Duba kuma
Magana
IEC 62930: 2017 - igiyoyi don amfani a gefen DC na tsarin photovoltaic. IEC
Takardar bayanan PRYSMIAN TECSUN PV (PV1-F) da bayanan aikace-aikace. Prysmian Corporation kasuwar kasuwa
Lambobin Lantarki na Ƙasa (NEC) 690 - Tsarin Hasken Rana na Photovoltaic (PV) (bukatun don girman madugu da wutar lantarki na tsarin). Enkonn Solar
NREL PV Jagoran Magana mai sauri / Mafi kyawun ayyuka don shigarwa na PV (tsarin tsarin, hanyoyin wayoyi, O&M). NREL Docs
Juyin wutar lantarki da kayan aikin girman waya / jagorori (masu ƙididdiga da jagorori). Unbound Solar