Kwinkqubo yamandla elanga, ii-PV inverters ezincinci zidlala indima ebalulekileyo ekuguquleni umbane othe ngqo (DC) oveliswe ziipaneli zelanga zibe yi-alternating current (AC) enokusetyenziswa kumakhaya nakumashishini. Ngelixa ii-inverters ze-PV ezincinci zibonelela ngezibonelelo ezinje ngemveliso yamandla eyongeziweyo kunye nokuguquguquka okukhulu, ukukhetha imigca yoqhagamshelo oluchanekileyo kubalulekile ekuqinisekiseni zombini ukhuseleko kunye nokusebenza kakuhle kwenkqubo. Kwesi sikhokelo, siza kukuhamba ngezinto ekufuneka uziqwalasele xa ukhetha isisombululo esifanelekileyo semigca yoqhagamshelo lwe-PV ye-PV, kukunceda wenze izigqibo ezinolwazi ngokuseta ilanga lakho.
Ukuqonda ii-Micro PV Inverters kunye nemigca yazo yoQhagamshelwano
I-Micro PV inverters iyahluka kwii-inverters zentambo zendabuko kuba i-microinverter nganye idityaniswe nepaneli enye yelanga. Olu cwangciso luvumela ipaneli nganye ukuba isebenze ngokuzimeleyo, ikhulisa imveliso yamandla nokuba iphaneli enye inomthunzi okanye ayisebenzi kakuhle.
Imigca yokudibanisa phakathi kweepaneli zelanga kunye ne-microinverters zibaluleke kakhulu ekusebenzeni kakuhle kwenkqubo kunye nokhuseleko. Le migca ithwala amandla e-DC ukusuka kwiiphaneli ukuya kwi-microinverters, apho iguqulwa ibe yi-AC ukuze isetyenziswe kwigridi yombane okanye ukusetyenziswa kwekhaya. Ukukhetha i-wiring echanekileyo kubalulekile ukuphatha ukuhanjiswa kwamandla, ukukhusela inkqubo kuxinzelelo lwendalo, kunye nokugcina imigangatho yokhuseleko.
Imiba ephambili ekufuneka iqwalaselwe xa ukhetha iiNdlela zoQhagamshelwano
Xa ukhetha imigca yokudibanisa kwii-inverters ze-PV ezincinci, izinto ezininzi ezibalulekileyo kufuneka zithathelwe ingqalelo ukuze kuqinisekiswe ukusebenza kunye nokhuseleko.
1. Uhlobo lweCable kunye ne-Insulation
Kwiinkqubo zokuguqula i-PV encinci, kubalulekile ukusebenzisa iintambo ezilinganiswe ngelanga njengeH1Z2Z2-K or I-PV1-F, ezenzelwe ngokukodwa izicelo ze-photovoltaic (PV). Ezi ntambo zinomgangatho ophezulu wokugquma okhusela kwimitha ye-UV, ukufuma, kunye neemeko ezinzima zokusingqongileyo. I-insulation kufuneka yomelele ngokwaneleyo ukuze ikwazi ukumelana nobunzima bokuvezwa ngaphandle kwaye ixhathise ukuthotywa kwexesha.
2. Imilinganiselo yangoku kunye neVoltage
Imigca yokudibanisa ekhethiweyo kufuneka ikwazi ukuphatha i-current and voltage eyenziwa ngamapaneli elanga. Ukukhetha iintambo ezinemilinganiselo efanelekileyo kuthintela imiba efana nokushisa okugqithisileyo okanye ukuhla kwamandla ombane ngokugqithisileyo, oko kunokonakalisa inkqubo nokunciphisa ukusebenza kakuhle kwayo. Umzekelo, qinisekisa ukuba umlinganiselo wamandla ombane wentambo uyahambelana okanye ugqithe ubuninzi bombane wenkqubo ukunqanda ukuqhawuka kombane.
3. I-UV kunye nokumelana neMozulu
Ekubeni iinkqubo zelanga zihlala zifakwe ngaphandle, i-UV kunye nokumelana nemozulu zizinto ezibalulekileyo. Imizila yoqhagamshelo kufuneka ikwazi ukumelana nokuvela kwelanga ixesha elide, imvula, ikhephu, kunye namaqondo obushushu agqithisileyo ngaphandle kokuthomalalisa ingqibelelo yawo. Iintambo ezikumgangatho ophezulu ziza neebhatyi ezikwaziyo ukumelana ne-UV ukukhusela iingcingo kwiziphumo eziyingozi zelanga.
4. UNyamezelo lobushushu
Iinkqubo zamandla elanga zifumana amaqondo obushushu ahlukeneyo imini yonke kunye namaxesha onyaka. Iintambo kufuneka zikwazi ukusebenza ngokufanelekileyo kumaqondo aphezulu kunye namaqondo aphantsi ngaphandle kokulahlekelwa ukuguquguquka okanye ukuba brittle. Khangela iintambo ezinoluhlu olubanzi lobushushu bokusebenza ukuqinisekisa ukuthembeka kwiimeko zemozulu ezibi.
Ubungakanani bekhebula kunye nokuqwalaselwa koBude
Ubungakanani obufanelekileyo bekhebula bubalulekile ekunciphiseni ilahleko yamandla kunye nokuqinisekisa ukusebenza kakuhle kwenkqubo. Iintambo ezingaphantsi komgangatho zingakhokelela ekulahlekeni kwamandla amaninzi ngenxa yokuchasana, okubangela ukuhla kwamandla ombane okunciphisa ukusebenza kwenkqubo yakho ye-microinverter. Ukongezelela, iintambo ezingaphantsi kobukhulu zinokutshisa ngokugqithiseleyo, zibeka ingozi yokhuseleko.
1. Ukunciphisa i-Voltge Drop
Xa ukhetha ubungakanani obufanelekileyo bekhebula, kufuneka uqwalasele ubude obupheleleyo bomgca wokudibanisa. Ukubaleka kweentambo ezinde konyusa amandla okuhla kwamandla ombane, okunokuthoba ukusebenza ngokupheleleyo kwenkqubo yakho. Ukulwa nale nto, kunokufuneka ukuba kusetyenziswe iintambo ezinkulu zobude obude ukuze kuqinisekiswe ukuba i-voltage ehanjiswa kwii-microinverters ihlala ngaphakathi koluhlu olwamkelekileyo.
2. Ukuthintela Ukushisa Okugqithisileyo
Ukusebenzisa ubungakanani obuchanekileyo bentambo kukwabalulekile ekuthinteleni ukutshisa. Iikheyibhile ezincinci kakhulu kumsinga eziwuphetheyo ziyafudumala kwaye zithobeke ekuhambeni kwexesha, okunokukhokelela kumonakalo wokugquma okanye nomlilo. Soloko ubhekisa kwizikhokelo zomenzi kunye nemigangatho yoshishino ukukhetha ubungakanani obuchanekileyo bentambo yesixokelelwano sakho.
UkuKhetha iBhokisi yesiDibanisi kunye neNxulumano
Izixhumi kunye neebhokisi ze-junction zidlala indima ebalulekileyo ekugcineni ukuthembeka koqhagamshelwano phakathi kweepaneli zelanga kunye ne-microinverters.
1. Ukukhetha iziqhagamshelo ezithembekileyo
Umgangatho ophezulu, iziqhagamshelo zemozulu zibalulekile ekuqinisekiseni uqhagamshelo olukhuselekileyo phakathi kweentambo. Xa ukhetha izihlanganisi, khangela iimodeli eziqinisekisiweyo kwizicelo ze-PV kwaye zinikeze isitywina esiqinileyo, esingenamanzi. Ezi ziqhagamshelo kufuneka zibe lula ukuzifaka kwaye zomelele ngokwaneleyo ukuze zimelane nokuvezwa kweemeko zangaphandle.
2. Iibhokisi zeNxulumano zoKhuselo
Iibhokisi zeJunction zigcina imidibaniso phakathi kweentambo ezininzi, zikhusela kumonakalo wokusingqongileyo kunye nokwenza lula ukugcina. Khetha iibhokisi ezidityanisiweyo ezikwaziyo ukumelana nomhlwa kwaye ziyilelwe ukusetyenziswa ngaphandle ukuqinisekisa ukhuseleko lwexesha elide lweingcingo zakho.
Ukuthotyelwa kweMigangatho yoShishino kunye neziQinisekiso
Ukuqinisekisa ukuba inkqubo yakho yokuguqula i-PV encinci ikhuselekile kwaye inokuthenjwa, onke amacandelo, kubandakanya imigca yoqhagamshelo, kufuneka ahambelane nemigangatho eyamkelekileyo yoshishino kunye neziqinisekiso.
1. Imigangatho yamazwe ngamazwe
Imigangatho yamazwe ngamazwe njengeIEC 62930(yeentambo zelanga) kunyeUL 4703(kwi-photovoltaic wire e-US) inikezela ngezikhokelo zokhuseleko kunye nokusebenza kwemigca yokudibanisa yelanga. Ukuthotyelwa kwale migangatho kuqinisekisa ukuba iintambo zihlangabezana neemfuno ezincinci zokugquma, ukunyamezela ubushushu, kunye nokusebenza kombane.
2. Imigaqo yeNgingqi
Ukongeza kwimigangatho yamazwe ngamazwe, kubalulekile ukuthobela imigaqo yasekuhlaleni, efana neIKhowudi yoMbane yeSizwe (NEC)eUnited States. Le migaqo ihlala iyalela iimfuno ezithile zofakelo, ezinje ngokubeka phantsi komhlaba, ukulinganisa i-conductor, kunye ne-cable routing, eziyimfuneko ekusebenzeni kwenkqubo ekhuselekileyo.
Ukukhetha iintambo eziqinisekisiweyo kunye namacandelo akuqinisekisi kuphela ukhuseleko lwenkqubo kodwa kunokufuneka kwakhona ngeenjongo ze-inshurensi okanye ukufaneleka kwizaphulelo kunye nezibonelelo.
IiNdlela eziGqwesileyo zokuFakelo kunye noLondolozo
Ukwandisa ukhuseleko kunye nokusebenza kwenkqubo yakho yokuguqula i-PV encinci, landela ezi ndlela zilungileyo zokufaka kunye nokugcina imigca yoqhagamshelo.
1. Indlela efanelekileyo kunye nokuKhuselwa
Faka iintambo ngendlela yokuzikhusela ekonakaleni ngokomzimba, njengokusebenzisa i-conduit okanye ii-cable trays ukuthintela ukuchanabeka kwiindawo ezibukhali okanye kwiindawo ezinabantu abaninzi. Iintambo kufuneka zibotshelelwe ngokukhuselekileyo ukuthintela intshukumo ngenxa yokuguquguquka komoya okanye ubushushu.
2. Ukuhlolwa rhoqo
Jonga rhoqo imigca yakho yoqhagamshelo malunga neempawu zokuguga kunye nokukrazula, njengokugquma okuqhekekileyo, ukubola, okanye ukudityaniswa okuxekethileyo. Sombulula nayiphi na imiba ngokukhawuleza ukuyithintela ekunyukeni kwiingxaki ezinkulu.
3. UkuJonga iNdlela yokuSebenza
Ukubeka esweni ukusebenza kwenkqubo kunokukunceda uchonge imiba ngocingo ngaphambi kokuba ibe nzulu. Ukuhla okungaqondakaliyo kwimveliso yamandla kunokuba luphawu lweentambo ezonakalisiweyo okanye eziwohlokayo ezifuna ukutshintshwa.
Iimpazamo Eziqhelekileyo Emaziphephe
Nangona ngeenjongo ezintle, iimpazamo zingenzeka ngexesha lofakelo okanye ukugcinwa kwemigca yokudibanisa i-PV inverter encinci. Nazi ezinye iimpazamo eziqhelekileyo onokuziphepha:
- Ukusebenzisa iiCables ezibekwe ngendlela engafanelekanga: Ukukhetha iintambo ezinemilinganiselo engahambelani nombane wenkqubo kunye nekhoyo kunokukhokelela ekushiseni okugqithisileyo okanye ukusilela kombane.
- Ukutsiba Ugcino Lwesiqhelo: Ukungaphumeleli ukuhlola nokugcina imigca yoqhagamshelo rhoqo kunokubangela umonakalo ochaphazela yonke inkqubo.
- Ukusebenzisa Amacandelo Angaqinisekiswanga: Ukusebenzisa iziqhagamshelo kunye neentambo ezingaqinisekiswanga okanye ezingahambelaniyo kwandisa umngcipheko wokusilela kwaye kunokuphelisa iziqinisekiso okanye ukhuseleko lwe-inshorensi.
Ukuqukumbela
Ukukhetha imigca yoqhagamshelo echanekileyo yenkqubo yakho yokuguqula i-PV encinci ibalulekile ekuqinisekiseni ukhuseleko, ukusebenza kakuhle, kunye nokusebenza kwexesha elide. Ngokukhetha iintambo ezine-insulation efanelekileyo, imilinganiselo yangoku, kunye nokumelana nokusingqongileyo, kunye nokuthobela imigangatho yoshishino, unokwandisa isixokelelwano sakho selanga iminyaka yokusebenza okuthembekileyo. Khumbula ukulandela iindlela ezingcono zofakelo kunye nokugcinwa, kwaye udibane nengcali ukuba awuqinisekanga malunga nawo nawuphi na umba wenkqubo.
Ekugqibeleni, utyalo-mali kumgangatho ophezulu, imigca yoqhagamshelo eqinisekisiweyo yindleko encinci xa kuthelekiswa neenzuzo zokunyuka kokhuseleko lwenkqubo, ukusebenza kunye nokuqina.
Danyang Winpower Wire & Cable Mfg Co., Ltd.yasekwa ngo-2009 kwaye lishishini elikhokelayo elizinikele kuphuhliso lobuchwephesha, ukwenziwa kunye nokuthengiswa kweentambo zesolar photovoltaic. Iintambo zecala le-photovoltaic ze-DC eziphuhliswe kwaye zenziwe yinkampani zifumene iziqinisekiso ezimbini zesatifikethi kwi-TÜV yaseJamani kunye ne-American UL. Emva kweminyaka yokusebenza kwemveliso, inkampani iqokelele amava obugcisa atyebileyo kwi-solar photovoltaic wiring kwaye ibonelela abathengi ngeemveliso ezikumgangatho ophezulu kunye neenkonzo.
I-TÜV eqinisekisiweyo ye-PV1-F photovoltaic intambo ye-DC yeenkcukacha
| Umqhubi | Isigqubuthelo | Ukwaleka | Iimpawu zombane | ||||
| Indawo enqamlezileyo mm² | Idayamitha yocingo | Ububanzi | Ubuncinci be-Insulation ubukhulu | Idayimitha yangaphandle ye-Insulation | Ukugquma ubuncinci bobunzima | Igqitywe i-diameter yangaphandle | Ukuxhathisa i-conductor 20℃ Ohm/km |
| 1.5 | 30/0.254 | 1.61 | 0.60 | 3.0 | 0.66 | 4.6 | 13.7 |
| 2.5 | 50/0.254 | 2.07 | 0.60 | 3.6 | 0.66 | 5.2 | 8.21 |
| 4.0 | 57/0.30 | 2.62 | 0.61 | 4.05 | 0.66 | 5.6 | 5.09 |
| 6.0 | 84/0.30 | 3.50 | 0.62 | 4.8 | 0.66 | 6.4 | 3.39 |
| 10 | 84/0.39 | 4.60 | 0.65 | 6.2 | 0.66 | 7.8 | 1.95 |
| 16 | 133/0.39 | 5.80 | 0.80 | 7.6 | 0.68 | 9.2 | 1.24 |
| 25 | 210/0.39 | 7.30 | 0.92 | 9.5 | 0.70 | 11.5 | 0.795 |
| 35 | 294/0.39 | 8.70 | 1.0 | 11.0 | 0.75 | 13.0 | 0.565 |
I-UL eqinisekisiweyo ye-PV photovoltaic DC inkcazo yomgca
| Umqhubi | Isigqubuthelo | Ukwaleka | Iimpawu zombane | ||||
|
AWG | Idayamitha yocingo | Ububanzi | Ubuncinci be-Insulation ubukhulu | Idayimitha yangaphandle ye-Insulation | Ukugquma ubuncinci bobunzima | Igqitywe i-diameter yangaphandle | Ukuxhathisa i-conductor 20℃ Ohm/km |
| 18 | 16/0.254 | 1.18 | 1.52 | 4.3 | 0.76 | 4.6 | 23.2 |
| 16 | 26/0.254 | 1.5 | 1.52 | 4.6 | 0.76 | 5.2 | 14.6 |
| 14 | 41/0.254 | 1.88 | 1.52 | 5.0 | 0.76 | 6.6 | 8.96 |
| 12 | 65/0.254 | 2.36 | 1.52 | 5.45 | 0.76 | 7.1 | 5.64 |
| 10 | 105/0.254 | 3.0 | 1.52 | 6.1 | 0.76 | 7.7 | 3.546 |
| 8 | 168/0.254 | 4.2 | 1.78 | 7.8 | 0.76 | 9.5 | 2.813 |
| 6 | 266/0.254 | 5.4 | 1.78 | 8.8 | 0.76 | 10.5 | 2.23 |
| 4 | 420/0.254 | 6.6 | 1.78 | 10.4 | 0.76 | 12.0 | 1.768 |
| 2 | 665/0.254 | 8.3 | 1.78 | 12.0 | 0.76 | 14.0 | 1.403 |
| 1 | 836/0.254 | 9.4 | 2.28 | 14.0 | 0.76 | 16.2 | 1.113 |
| 1/00 | 1045/0.254 | 10.5 | 2.28 | 15.2 | 0.76 | 17.5 | 0.882 |
| 2/00 | 1330/0.254 | 11.9 | 2.28 | 16.5 | 0.76 | 19.5 | 0.6996 |
| 3/00 | 1672/0.254 | 13.3 | 2.28 | 18.0 | 0.76 | 21.0 | 0.5548 |
| 4/00 | 2109/0.254 | 14.9 | 2.28 | 19.5 | 0.76 | 23.0 | 0.4398 |
Ukukhetha intambo yoxhumo olufanelekileyo lwe-DC luyimfuneko ekusebenzeni okukhuselekileyo nokusebenzayo kwenkqubo ye-photovoltaic. I-Danyang Winpower Wire & Cable inikeza isisombululo esipheleleyo se-photovoltaic wiring ukubonelela ngesiqinisekiso sokusebenza esisebenzayo nesizinzileyo kwinkqubo yakho ye-photovoltaic. Masisebenze kunye ukuze sifezekise uphuhliso oluzinzileyo lwamandla avuselelekayo kunye negalelo kunobangela wokukhuselwa kokusingqongileyo okuluhlaza! Nceda uzive ukhululekile ukuqhagamshelana nathi, siya kukukhonza ngentliziyo epheleleyo!
Ixesha lokuposa: Oct-15-2024