A cikin 'yan shekarun nan, fasaha namasana'antar photovoltaicya ci gaba da sauri da sauri.Ƙarfin na'urori guda ɗaya ya zama mafi girma kuma ya fi girma, kuma halin yanzu na kirtani ya zama babba kuma ya fi girma.Nau'in na'urori masu ƙarfi na yanzu sun kai fiye da 17A.Dangane da tsarin tsarin, yin amfani da kayan aiki masu ƙarfi da kuma madaidaicin sararin samaniya zai iya rage farashin zuba jari na farko da farashin kilowatt-hour na tsarin.Kudin igiyoyin AC da DC a cikin tsarin ba su da ƙasa.Yaya ya kamata a aiwatar da ƙira da zaɓi don rage farashi?
1. Zaɓin igiyoyin DC
An shigar da kebul na DC a waje.Ana ba da shawarar gabaɗaya don zaɓar igiyoyin hoto na musamman waɗanda aka haɗa su ta hanyar radiation.Bayan hasken wutar lantarki mai ƙarfi mai ƙarfi, tsarin kwayoyin halitta na kayan Layer rufin kebul yana canzawa daga layin layi zuwa tsarin kwayoyin halitta mai girma uku, kuma matakin juriya na zafin jiki yana ƙaruwa daga 70 ° C zuwa 90 ° C, 105 ° C. C, 125°C, 135°C, Koda har zuwa 150°C, karfin ɗaukar nauyi na yanzu shine 15-50% sama da na igiyoyi na ƙayyadaddun bayanai iri ɗaya.Yana iya jure matsanancin yanayin zafi da yazawar sinadarai kuma ana iya amfani dashi a waje sama da shekaru 25.Lokacin zabar igiyoyin DC, zaɓi samfuran daga masana'anta na yau da kullun tare da takaddun shaida masu dacewa don tabbatar da amfani da waje na dogon lokaci.
A halin yanzu, mafi yawan amfaniCable na photovoltaic DCita ce kebul na PV1-F1*4 4 murabba'in mita.Duk da haka, tare da karuwa a halin yanzu na samfurori na photovoltaic da karuwa a cikin wutar lantarki guda ɗaya, tsayin kebul na DC yana karuwa.Mitar murabba'in 6 Hakanan amfani da igiyoyin DC yana ƙaruwa.
Dangane da ƙayyadaddun ƙayyadaddun bayanai, ana ba da shawarar gabaɗaya cewa asarar photovoltaic DC kada ta wuce 2%.Muna amfani da wannan ma'aunin don tsara yadda ake zaɓar igiyoyin DC.Juriya na layin PV1-F1 * 4mm² DC na USB shine 4.6mΩ/mita, kuma juriya na PV6mm² DC na USB shine 3.1 mΩ/mita, yana ɗauka cewa DC module ƙarfin lantarki yana aiki shine 600V, 2% raguwar ƙarfin lantarki shine 12V, ɗauka. cewa module halin yanzu shi ne 13A, ta amfani da 4mm² DC na USB, da nisa tsakanin mafi nisa karshen module da inverter bada shawarar kada ya wuce 120 mita (giya kirtani, (ban da tabbatacce kuma korau sanduna), idan nisa ne mafi girma daga wannan. nisa, ana ba da shawarar zaɓar kebul na 6mm² DC, amma ana ba da shawarar cewa nisa tsakanin ƙarshen mafi nisa da inverter kada ya wuce mita 170.
2. Lissafin asarar kebul na Photovoltaic
Domin rage farashin tsarin, abubuwan da aka gyara damasu juyawa na tashoshin wutar lantarki na hotovoltaicba kasafai ake saita su a cikin rabo na 1:1.Madadin haka, an ƙirƙira wasu gyare-gyare sama da sama bisa yanayin haske, buƙatun aikin, da sauransu. Misali, don ƙirar 110KW da inverter 100KW, ana ƙididdige su bisa sau 1.1 na AC gefen overmatching na inverter, matsakaicin fitarwa na AC yana kusan kusan. 158A.Ana iya zaɓar kebul na AC dangane da iyakar abin da ake fitarwa na yanzuinverter.Domin komi nawa aka tsara abubuwan da aka haɗa, shigar da AC halin yanzu na inverter ba zai taɓa wuce iyakar abin da ake fitarwa na inverter ba.
3. Inverter AC fitarwa sigogi
Waɗanda aka fi amfani da igiyoyin jan ƙarfe na AC don tsarin photovoltaic sun haɗa da BVR da YJV.BVR yana nufin jan ƙarfe core PVC makarantaccen waya mai sassauci, YJV mai haɗin kebul na polyethylene mai rufe wuta.Lokacin zabar, kula da matakin ƙarfin lantarki da matakin zazzabi na kebul., don zaɓar nau'in mai ɗaukar harshen wuta, ana bayyana ƙayyadaddun kebul ta hanyar adadin murjani, ɓangaren giciye na ƙima da matakin ƙarfin lantarki: ƙayyadaddun ƙayyadaddun kebul na reshe guda ɗaya, 1 * ɓangaren giciye mara kyau, kamar: 1 * 25mm 0.6 /1kV, yana nufin kebul na murabba'in mita 25.Multi-core Twisted reshe na USB ƙayyadaddun wakilci, adadin igiyoyi a cikin da'irar ɗaya * yanki mai ƙima, kamar: 3*50+2*25mm 0.6/1KV, wanda ke nufin wayoyi masu rai na murabba'in murabba'in 50 guda uku, waya tsaka tsaki mai murabba'in 25 guda ɗaya. da kuma waya mai murabba'i 25.
Lokacin aikawa: Maris-20-2024