Kusanthula Chifukwa cha Ngozi ya Moto pa DC Side ya PV Power Generation System

Makina opanga magetsi a Photovoltaic akuyandikira kwambiri miyoyo yathu.Chithunzi chotsatirachi chikuwonetsa zochitika zina za ngozi za machitidwe opangira mphamvu za photovoltaic, zomwe ziyenera kudzutsa chidwi chachikulu cha akatswiri a photovoltaic.

Zifukwa zake ndi izi:

1. Pin Crimping ya PV Cable ndi Cholumikizira ndizosayenerera

Chifukwa cha kusalinganika khalidwe la ogwira ntchito yomanga, kapena chipani yomanga sanapereke maphunziro akatswiri kwa ogwira ntchito, ndi osayenera crimping photovoltaic cholumikizira zikhomo ndi chifukwa chachikulu cha kukhudzana osauka pakati PV chingwe ndi cholumikizira, komanso chimodzi mwa zikuluzikulu. zomwe zimayambitsa ngozi mumagetsi opangira magetsi a photovoltaic.Chingwe cha Photovoltaic ndi cholumikizira ndi cholumikizira chosavuta, pafupifupi chingwe chopanda kanthu cha 1000V chingagwere cholumikizira nthawi iliyonse padenga la konkriti, ndikuyambitsa ngozi zamoto.

Ngati mukufuna kudziwa kukhazikitsidwa kolondola kwa cholumikizira cha MC4, mutha kuwerenga:Momwe Mungapangire Zolumikizira za MC4?

2. Vuto Lofananitsa la PV Solar Connectors of Different Brands

Momwe ziyenera kukhalira,PV zolumikizira dzuwaza mtundu womwewo ndi chitsanzo ziyenera kugwiritsidwa ntchito polumikizana.Inverter iliyonse imabwera ndi nambala yofanana ya zolumikizira za photovoltaic, chonde onetsetsani kuti mukugwiritsa ntchito zolumikizira zofananira kukhazikitsa.Malingana ngati idayikidwa bwino, kulumikizana kumbali ya inverter nthawi zambiri sikumakhala vuto.Komabe, pali vuto pa gawoli.Chifukwa cha mitundu yosiyanasiyana ya zolumikizira za photovoltaic pamsika, fakitale yachigawo sinapereke zolumikizira zofananira.

Tili ndi malingaliro atatu pa izi: choyamba, gulani zolumikizira za pv zamtundu womwewo monga ma solar;Chachiwiri, dulani cholumikizira kumapeto kwa chingwe ndikusintha ndi cholumikizira cha mtundu womwewo ndi mtundu;Chachitatu, ngati muyenera kugwiritsa ntchito zolumikizira za PV zamitundu yosiyanasiyana, mutha kuzidula ndikuziyika ndi zolumikizira zomwe mudagula.Ngati cholumikizira plugging bwino, chitani kuwomba pa zolumikizira zomangika.Ngati pali kutayikira kwa mpweya, gulu ili lazinthu silingagwiritsidwe ntchito limodzi.Kenako gwiritsani ntchito multimeter kuti muwone ngati zolumikizira zomangika zidalumikizidwa.Sitingagwiritsidwe ntchito ikalumikizidwa.Chifukwa cha vuto la kuyanjana, kusalumikizana bwino kapena kutulutsa madzi ndi chimodzi mwazomwe zimayambitsa ngozi zamoto.

Chifukwa chiyani sizovomerezeka kuti zolumikizira zamitundu yosiyanasiyana zigwiritsidwe ntchito wina ndi mnzake?, chifukwa chachikulu ndi chakuti opanga osiyanasiyana anganene kuti malonda awo akhoza kukhala ogwirizana ndi MC4 ya Stäubli.Ngakhale zili choncho, chifukwa cha vuto la kulekerera kwabwino ndi koipa, palibe chitsimikizo chakuti zinthu zopangidwa ndi osakhala Stäubli zingakhale zogwirizana.Ngati mitundu iwiri yosiyana ya photovoltaic connectors ili ndi lipoti la kuyesa kwa inter-mating, mukhoza kuligwiritsa ntchito molimba mtima.

3. Mapazi Amodzi kapena Angapo Abwino kapena Oipa a PV String amalumikizidwa Mobwerera

Nthawi zambiri, inverter imakhala ndi ma MPPT angapo.Pofuna kuchepetsa ndalama, ndizosatheka kunyamula MPPT imodzi pa dera lililonse.Chifukwa chake, pansi pa MPPT imodzi, ma seti a 2 ~ 3 a zolumikizira za photovoltaic nthawi zambiri amalowetsamo mofanana.Inverter yomwe imati ili ndi ntchito yolumikizira m'mbuyo imatha kutsimikizira chitetezo cham'mbuyo pamene tchanelo chimodzi kapena zingapo za MPPT zomwezo zilumikizidwa mobwerera kumbuyo nthawi imodzi.Ngati pansi pa MPP yomweyi, mbali yake imasinthidwa, ndizofanana ndi kulumikiza mizati yabwino ndi yoipa ya mapaketi awiri otsutsana ndi batri ndi voteji pafupifupi 1000V.Zomwe zimapangidwira panthawiyi zidzakhala zopanda malire, palibe kugwirizana kwa gridi kuti mupange cholumikizira mbali cha inverter kapena ngozi yamoto ya inverter.

Chinsinsi chothetsera mavuto ngati amenewa kapena kupanga zinthu zokhazikika, pambuyo pomaliza kuyika zigawozo, malinga ndi zojambula za DC chingwe chojambula, chingwe chilichonse chofiira cha PV DC chizindikiritso chabwino, kusunga ndi chizindikiritso cha chingwe chokhazikika.Nayi chiganizo chomwe chingagwiritsidwe ntchito ngati kuphunzitsa: "gawo labwino, mzere wowonjezera ndikungowonjezera mzere wabwino, uyenera kukhala wabwino".Pazolemba za chingwe chowonjezera cha module, onetsetsani kuti zingwe zosiyanasiyana kumapeto kwa inverter sizisokonezedwa.

4. Ntchito Yopanda Madzi ya Positive O-Ring ya Cholumikizira ndi T-Ring ya Kumapeto kwa Mchira sikuli Pamwamba.

Mavuto oterewa sangachitike pakanthawi kochepa, koma ngati ndi nyengo yamvula, ndipo cholumikizira cholumikizira chingwe cha PV chili m'malo amvula.Kuthamanga kwamphamvu kwamphamvu kwambiri kudzapanga chipika ndi nthaka, zomwe zimapangitsa kuti pakhale ngozi yowonongeka kwa magetsi.Vuto ili ndi kusankha cholumikizira, ndipo pafupifupi palibe amene adzalabadira vuto lenileni lopanda madzi la cholumikizira.IP65 yopanda madzi ndi IP67 ya cholumikizira cha photovoltaic ndizofunikira, ndipo ziyenera kugwirizana ndi chingwe cha photovoltaic cha kukula kwake.Mwachitsanzo, MC4 wamba ya Stäubli ili ndi mitundu itatu yamitundu yosiyanasiyana: 5 ~ 6MM, 5.5 ~ 7.4MM, 5.9 ~ 8.8MM.Ngati m'mimba mwake mwa chingwe ndi 5.5, zolumikizira za Stäubli zomwe zikuzungulira pamsika sizovuta kwambiri, koma ngati wina asankha MC4 ya 5.9-8.8MM, ngozi yobisika ya ngozi yotayikira idzakhalapo nthawi zonse.Pankhani ya zabwino kutsogolo O-ring, ambiri muyezo photovoltaic zolumikizira ndi opanga awo wophatikizidwa ndi mavuto ochepa madzi, koma popanda kuyezetsa ndi opanga ena kupita ndi ntchito mavuto madzi ndi chotheka kwambiri.

5. PV DC Connectors kapena PV Cables ali mu Chinyontho kwa Nthawi Yaitali

Pafupifupi aliyense amaganiza kuti zigawo zoyendetsera zingwe za photovoltaic ndi zolumikizira za photovoltaic zimakutidwa ndi zinthu zina, ndipo zolumikizira za PV zimanenedwa kuti sizingalowe madzi.Ndipotu, kusalowa madzi sikutanthauza kuti akhoza kusungidwa m'madzi kwa nthawi yaitali.Cholumikizira cha solar cha IP68 chimatanthawuza kuti cholumikizira cha photovoltaic chokhazikitsidwa kale ndi chingwe chimamizidwa m'madzi, ndipo pamwamba ndi 0.15 ~ 1 mita kuchokera pamadzi kwa mphindi 30 popanda kusokoneza magwiridwe antchito.Koma bwanji ngati atamizidwa m’madzi kwa masiku 10 kapena kuposerapo?

Zingwe za PV zomwe zili pamsika kuphatikiza PV1-F, H1Z2Z2-K, 62930IEC131 zimathanso kukhala zonyowa kwakanthawi kochepa, monga kuthirira pang'ono, kapena ngakhale kudzikundikira madzi, koma nthawi yamadzi singakhale yayitali kwambiri, kuti iyende mwachangu komanso mpweya wabwino wouma.Photovoltaic chingwe moto chifukwa mbali yomanga ya photovoltaic chingwe m'manda m'dera chithaphwi, ndi yaitali akuwukha madzi, photovoltaic chingwe mu malowedwe madzi chifukwa cha kuwonongeka kwa arc moto.Pakutsindika kwapadera kumeneku, kuyala chingwe cha photovoltaic kupyolera mu chubu kumakhala kotentha kwambiri, chifukwa chake ndi kudzikundikira kwa madzi kwa nthawi yaitali mu chitoliro cha PVC.Ngati mukufuna kuyala ndi posungira mapaipi a PVC, kumbukirani kulola chitoliro cha PVC pansi, kapena m'madzi otsika kwambiri a chitoliro cha PVC kuti mubowole mabowo kuti madzi asachulukane.

Pakalipano, chingwe chopanda madzi cha photovoltaic, njira yakunja yosankhidwa ya AD8 yopanda madzi, opanga ena apakhomo amagwiritsa ntchito atakulungidwa mozungulira chotchinga chamadzi, kuphatikizapo aluminium-pulasitiki Integrated sheath mawonekedwe.

Potsirizira pake, zingwe za photovoltaic wamba sizingalowe m'madzi kwa nthawi yaitali, ndipo sizikhoza kuyendetsedwa ndi kutentha kwakukulu ndi chinyezi chambiri kwa nthawi yaitali.Kuchokera apa, ogwira ntchito yomanga amatha kugwira ntchito yokhazikika pamodzi ndi zomangamanga zenizeni.

6. Chikopa cha PV Cable Chimakanda kapena Kupindika Mopitirira muyeso panthawi yoyika

Kukanda khungu la chingwe kudzachepetsa kwambiri magwiridwe antchito komanso kukana kwanyengo kwa chingwe.Pomanga, kupinda chingwe kumakhala kofala.Muyezowu ukunena kuti mainchesi opindika ocheperako akuyenera kukhala akulu kuposa 4 kuwirikiza chingwe m'mimba mwake, ndipo m'mimba mwake mwa zingwe za 4 square photovoltaic ndi pafupifupi 6MM.Choncho, m'mimba mwake wa arc pa kupindika sikuyenera kukhala osachepera 24MM, omwe ali ofanana ndi amayi Kukula kwa bwalo lopangidwa ndi chala ndi chala.

7. Mu Grid-Connected State, Pulagi ndi Chotsani PV DC Connector

M'malo olumikizidwa ndi gridi, kulumikiza ndi kutulutsa cholumikizira kumapanga arc yamagetsi, zomwe zitha kuyambitsa ngozi zovulaza.Ngati arc imayatsanso zinthu zoyaka moto, zingayambitse ngozi yayikulu.Choncho, onetsetsani kuti mukukonzekera mutatha kulumikiza magetsi a AC, ndipo dongosolo la photovoltaic liyenera kuzimitsidwa nthawi zonse kuti zitsimikizire chitetezo cha nthawi yaitali.

8. Mfundo Iliyonse mu PV String Loop Imakhazikika kapena Imapanga Njira ndi Bridge

Zomwe zimapangitsa kuti mfundo iliyonse mu PV string loop ikhazikike kapena kupanga njira yokhala ndi mlatho ndizovuta kwambiri, kuphatikizapo kuviika kwa nthawi yaitali kwa zingwe za PV zomwe tazitchula pamwambapa, kuyika zolumikizira za PV pamizere yowonjezera, ndi pamwamba pa zingwe zomwe zimakankhidwa pomanga kapena khungu la chingwe limatha kulumidwa ndi mbewa panthawi yogwiritsira ntchito, ndipo mphezi idzasweka, ndi zina zotero.