Iintambo ze-Photovoltaic zisisiseko sokuxhasa izixhobo zombane kwiinkqubo ze-photovoltaic.Ubungakanani beentambo ezisetyenziswa kwiinkqubo ze-photovoltaic zidlula ezo zeenkqubo zokuvelisa amandla ngokubanzi, kwaye zikwayenye yezinto ezibalulekileyo ezichaphazela ukusebenza kakuhle kwenkqubo yonke.
Nangona iintambo ze-photovoltaic ze-DC kunye ne-AC zibandakanya malunga ne-2-3% yeendleko zeenkqubo ze-photovoltaic ezisasazwayo, amava okwenene afumene ukuba ukusebenzisa iintambo ezingalunganga kunokukhokelela ekulahlekelweni komgca ogqithisileyo kwiprojekthi, ukuzinza kombane ophantsi, kunye nezinye izinto ezinciphisa. imbuyekezo yeprojekthi.
Ngoko ke, ukukhetha iintambo ezifanelekileyo kunokunciphisa ngokufanelekileyo izinga lengozi yeprojekthi, ukuphucula ukuthembeka kokunikezelwa kwamandla, kunye nokuququzelela ukwakhiwa, ukusebenza kunye nokugcinwa.
Iintlobo zeentambo ze-photovoltaic
Ngokwenkqubo yezikhululo zamandla e-photovoltaic, iintambo zinokwahlulwa zibe ziintambo ze-DC kunye neentambo ze-AC.Ngokokusetyenziswa okwahlukeneyo kunye nokusingqongileyo kokusetyenziswa, zihlelwa ngolu hlobo lulandelayo:
Iintambo zeDC zisetyenziswa kakhulu:
Ukudibanisa kochungechunge phakathi kwamacandelo;
Uqhagamshelo oluhambelanayo phakathi kweentambo naphakathi kweentambo kunye neebhokisi zokuhambisa ze-DC (iibhokisi zokudibanisa);
Phakathi kweebhokisi zokuhambisa ze-DC kunye nee-inverters.
Iintambo ze-AC zisetyenziselwa kakhulu:
Ukudibanisa phakathi kwee-inverters kunye ne-step-up transformers;
Uqhagamshelwano phakathi kwee-transformers ze-step-up kunye nezixhobo zokusabalalisa;
Uqhagamshelwano phakathi kwezixhobo zokusasaza kunye neegridi zamandla okanye abasebenzisi.
Iimfuno zeentambo ze-photovoltaic
Iintambo ezisetyenziswa kwi-low-voltage ye-DC yokuhanjiswa kwenxalenye yenkqubo yokuvelisa amandla elanga photovoltaic zineemfuno ezahlukeneyo zokudityaniswa kwamacandelo ahlukeneyo ngenxa yeendawo ezahlukeneyo zokusetyenziswa kunye neemfuno zobugcisa.Imiba iyonke ekufuneka iqwalaselwe zezi: ukusebenza kwentambo yokugquma, ubushushu kunye nokusebenza kwedangatye, ukusebenza okuchasene nokuguga kunye neenkcukacha zedayamitha yocingo.Iintambo ze-DC ubukhulu becala zibekwe ngaphandle kwaye zifuna ukufuma-ubungqina bokufuma, ukungenwa lilanga, ukubanda, kunye nobungqina be-UV.Ngoko ke, iintambo ze-DC kwiinkqubo ze-photovoltaic ezisasazwa ngokubanzi zikhetha iintambo ezikhethekileyo ze-photovoltaic eziqinisekisiweyo.Olu hlobo lokudibanisa intambo lusebenzisa i-sheath ephindwe kabini, enokumelana okugqwesileyo kwi-UV, amanzi, i-ozone, i-asidi, kunye nokhukuliseko lwetyuwa, amandla abalaseleyo emozulu yonke kunye nokunganyangeki.Ukuqwalasela i-DC connector kunye nesiphumo samanje semodyuli ye-photovoltaic, i-photovoltaic DC cables esetyenziswa ngokuqhelekileyo i-PV1-F1 * 4mm2, i-PV1-F1 * 6mm2, njl.
Iintambo ze-AC zisetyenziswa kakhulu ukusuka kwicala le-AC le-inverter ukuya kwibhokisi yokudibanisa i-AC okanye i-AC grid-eqhagamshelwe kwikhabhinethi.Kwiintambo ze-AC ezifakwe ngaphandle, ukufuma, ilanga, ukubanda, ukhuseleko lwe-UV, kunye nokubeka umgama omde kufuneka kuthathelwe ingqalelo.Ngokubanzi, iintambo zohlobo lweYJV zisetyenziswa;kwiintambo ze-AC ezifakwe ngaphakathi, ukukhuselwa komlilo kunye nokukhuselwa kweempuku kunye neembovane kufuneka kuthathelwe ingqalelo.
Ukukhetha izinto zekhebula
Iintambo ze-DC ezisetyenziswa kwizikhululo zamandla e-photovoltaic zisetyenziselwa kakhulu umsebenzi wangaphandle wexesha elide.Ngenxa yokulinganiselwa kweemeko zokwakha, iziqhagamshelo zisetyenziselwa ukudibanisa intambo.Izinto zomqhubi wekhebula zinokwahlulwa zibe yintsimbi yobhedu kunye ne-aluminium core.
Iintambo ezingundoqo zeCopper zinomthamo ongcono we-antioxidant kune-aluminium, ubomi obude, ukuzinza okungcono, ukuhla kwamandla ombane kunye nokulahlekelwa kwamandla aphantsi.Ekwakhiweni, i-copper cores iguquguquka ngakumbi kwaye i-radius yokugoba evumelekileyo incinci, ngoko kulula ukujika nokudlula kwimibhobho.Ngaphezu koko, i-copper cores ayinqandeki kwaye ayilula ukuphuka emva kokugoba ngokuphindaphindiweyo, ngoko ke i-wiring ilungile.Kwangaxeshanye, icopper cores inamandla omatshini aphezulu kwaye inokumelana noxinzelelo olukhulu lomatshini, nto leyo izisa lula kakhulu ekwakhiweni nasekubekeni, kwaye idala iimeko zokwakha oomatshini.
Ngokuchasene noko, ngenxa yeepropathi zeekhemikhali ze-aluminium, iintambo ze-aluminiyam ezingundoqo zixhomekeke kwi-oxidation (i-electrochemical reaction) ngexesha lofakelo, ngakumbi i-creep, enokuthi iholele ngokulula kwiintsilelo.
Ngoko ke, nangona ixabiso leentambo eziphambili ze-aluminium ziphantsi, ngenxa yokhuseleko lweprojekthi kunye nokusebenza okuzinzile kwexesha elide, u-Rabbit Jun uncoma ukusebenzisa iintambo zobhedu kwiiprojekthi ze-photovoltaic.
Ukubalwa kokukhethwa kwentambo ye-photovoltaic
Ikalwe ngoku
Indawo enqamlezileyo yeentambo ze-DC kwiindawo ezahlukeneyo zenkqubo ye-photovoltaic igqitywe ngokwemigaqo elandelayo: Iintambo zokudibanisa phakathi kweemodyuli zeeseli zelanga, iintambo zokudibanisa phakathi kweebhetri, kunye neentambo zokudibanisa imithwalo ye-AC zikhethwa ngokubanzi ngokulinganiswa. yangoku ye-1.25 amaxesha aphezulu asebenzayo ngokuqhubekayo kwikhebula ngalinye;
iintambo zokudibanisa phakathi kwee-solar cell arrays kunye ne-arrays, kunye neentambo zokudibanisa phakathi kweebhetri (amaqela) kunye ne-inverters zikhethwa ngokubanzi ngokulinganiswa kwangoku ngokuphindaphindiweyo kwe-1.5 ubuninzi obuqhubekayo bokusebenza ngoku kwikhebula ngalinye.
Okwangoku, ukhetho lwecandelo lomnqamlezo wentambo lusekwe ikakhulu kubudlelwane phakathi kwedayamitha yekhebula kunye neyangoku, kwaye impembelelo yobushushu be-ambient, ukulahleka kombane, kunye nendlela yokubeka kumthamo okhoyo wokuthwala iintambo zihlala zingahoywa.
Kwiindawo ezahlukeneyo zokusetyenziswa, umthamo wangoku wokuthwala intambo, kwaye kucetyiswa ukuba i-diameter yocingo kufuneka ikhethwe phezulu xa umbane usondele kwixabiso eliphezulu.
Ukusetyenziswa okungalunganga kweentambo ze-photovoltaic ezincinci ze-diameter zabangela umlilo emva kokuba umbane ugcwele kakhulu
Ukulahleka kwamandla kagesi
Ilahleko yombane kwi-photovoltaic system inokubonakaliswa njenge: ukulahleka kombane = okwangoku * ubude bekhebula * i-voltage factor.Inokubonwa kwifomula yokuba ilahleko yombane ilingana nobude bentambo.
Ngoko ke, ngexesha lokuhlola indawo, umgaqo wokugcina uluhlu kwi-inverter kunye ne-inverter kwindawo yokudibanisa igridi ngokusondeleyo kufuneka ilandelwe.
Kwizicelo eziqhelekileyo, ilahleko yomgca we-DC phakathi kwe-photovoltaic array kunye ne-inverter ayidluli i-5% ye-voltage ye-voltage ye-array, kunye nokulahleka komgca we-AC phakathi kwe-inverter kunye nendawo yokudibanisa igridi ayidluli i-2% ye-voltage ye-inverter output.
Kwinkqubo yesicelo sobunjineli, i-empirical formula ingasetyenziswa: △U=(I*L*2)/(r*S)
△U: Ukwehla kwamandla ombane wentambo-V
Mna: intambo kufuneka imelane neyona ntambo iphezulu-A
L: ubude bokubekwa kwentambo-m
S: indawo ye-cable cross-sectional-mm2;
r: conductivity conductor-m/(Ω*mm2;), r ubhedu=57, r aluminiyam=34
Xa ubeka iintambo ezininzi ze-multi-core kwii-bundle, uyilo kufuneka ubeke ingqalelo kumanqaku
Kwisicelo sangempela, ukuqwalasela izinto ezifana ne-cable wiring method kunye nezithintelo zomzila, iintambo zeenkqubo ze-photovoltaic, ngakumbi iintambo ze-AC, zinokuba neentambo ezininzi ze-multi-core ezibekwe kwii-bundle.
Ngokomzekelo, kwinkqubo encinci yesigaba sesithathu, umgca ophumayo we-AC usebenzisa "umgca omnye wee-cores ezine" okanye "umgca omnye we-five cores" iintambo;kwisistim esikhulu sesigaba sesithathu, umgca ophumayo we-AC usebenzisa iintambo ezininzi ngokuhambelanayo endaweni yeentambo ezingundoqo ezinobubanzi obukhulu.
Xa iintambo ezininzi ze-multi-core zibekwe kwii-bundle, elona nqanaba lokuthwala langoku leentambo liya kuthotywa ngumlinganiselo othile, kwaye le meko yokunciphisa kufuneka ithathelwe ingqalelo ekuqaleni koyilo lweprojekthi.
Iindlela zokubeka iintambo
Iindleko zokwakha ubunjineli bekhebula kwiiprojekthi zokuvelisa amandla e-photovoltaic ngokuqhelekileyo ziphezulu, kwaye ukukhethwa kwendlela yokubeka ichaphazela ngqo iindleko zokwakha.
Ngoko ke, ukucwangciswa okufanelekileyo kunye nokukhethwa ngokuchanekileyo kweendlela zokubeka intambo zikhonkco ezibalulekileyo kumsebenzi woyilo lwekhebula.
Indlela yokubeka intambo iqwalaselwa ngokubanzi ngokusekelwe kwimeko yeprojekthi, iimeko zokusingqongileyo, ukucaciswa kwentambo, iimodeli, ubuninzi kunye nezinye izinto, kwaye zikhethwe ngokweemfuno zokusebenza okuthembekileyo kunye nokugcinwa lula kunye nomgaqo wobuchule kunye nengqiqo yezoqoqosho.
Ukubekwa kweentambo ze-DC kwiiprojekthi zokuvelisa amandla ombane we-photovoltaic ikakhulu kubandakanya ukungcwatywa ngokuthe ngqo ngesanti kunye nezitena, ukufakwa ngemibhobho, ukufakwa kwimibhobho, ukufakwa kwimisele yentambo, ukubekwa kwiitonela, njl.
Ukubekwa kweentambo ze-AC akwahlukanga kakhulu kwiindlela zokubeka iinkqubo zamandla ngokubanzi.
Iintambo ze-DC zisetyenziswa kakhulu phakathi kweemodyuli ze-photovoltaic, phakathi kweentambo kunye neebhokisi zokudibanisa ze-DC, naphakathi kweebhokisi zokudibanisa kunye nee-inverters.
Zineendawo ezincinci ezinqamlezileyo kunye nezixa ezinkulu.Ngokuqhelekileyo, iintambo ziboshwe kunye neebrakethi zemodyuli okanye zibekwe ngemibhobho.Xa ubeka, oku kulandelayo kufuneka kuqwalaselwe:
Ukudibanisa iintambo phakathi kweemodyuli kunye neentambo zokudibanisa phakathi kweentambo kunye neebhokisi zokudibanisa, iibrakethi zemodyuli kufuneka zisetyenziswe njengenkxaso yeshaneli kunye nokulungiswa kwentambo yokubeka kangangoko kunokwenzeka, enokunciphisa impembelelo yezinto ezisingqongileyo kwinqanaba elithile.
Amandla okubeka ikhebula kufuneka afane kwaye afaneleke, kwaye akufanele aqine kakhulu.Umahluko weqondo lokushisa phakathi kwemini nobusuku kwiindawo ze-photovoltaic ngokuqhelekileyo zikhulu, kwaye ukwandiswa kwe-thermal kunye nokunciphisa kufuneka kugwenywe ukukhusela ukuphuka kwekhebula.
Ikhebula lezinto ze-photovoltaic ezikhokelela kumphezulu wesakhiwo kufuneka zithathele ingqalelo i-aesthetics jikelele yesakhiwo.
Indawo yokubeka kufuneka igweme ukubeka iintambo kwiindonga ezibukhali zeendonga kunye nezibiyeli ukuphepha ukusika kunye nokusila i-insulation layer ukuze kubangele imijikelezo emfutshane, okanye ukucheba amandla okusika iingcingo kunye nokubangela iisekethe ezivulekileyo.
Ngexesha elifanayo, iingxaki ezinjengombane othe ngqo kwiintambo zentambo kufuneka ziqwalaselwe.
Cwangcisa ngokufanelekileyo indlela yokubeka intambo, ukunciphisa ukunqumla, kunye nokudibanisa ukubeka kangangoko kunokwenzeka ukunciphisa ukumbiwa komhlaba kunye nokusetyenziswa kwentambo ngexesha lokwakhiwa kweprojekthi.
Ulwazi lweendleko zentambo ye-Photovoltaic
Ixabiso leentambo ze-DC ze-photovoltaic ezifanelekileyo kwimarike okwangoku zihluka ngokuhambelana nommandla we-cross-sectional kunye nomthamo wokuthenga.
Ukongezelela, iindleko zekhebula zihambelana noyilo lwesikhululo samandla.Uyilo lwecandelo olulungiselelwe lunokugcina ukusetyenziswa kweentambo zeDC.
Ngokuqhelekileyo, iindleko zeentambo ze-photovoltaic zivela malunga ne-0.12 ukuya kwi-0.25 / W.Ukuba idlula kakhulu, kunokuba yimfuneko ukujonga ukuba uyilo lunengqiqo okanye ukuba iintambo ezikhethekileyo zisetyenziselwa izizathu ezikhethekileyo.
Isishwankathelo
Nangona iintambo ze-photovoltaic ziyingxenye encinci yenkqubo ye-photovoltaic, akulula njengoko kucingwa ukuba ukhethe iintambo ezifanelekileyo zokuqinisekisa izinga eliphantsi lengozi yeprojekthi, ukuphucula ukuthembeka kokunikezelwa kwamandla, kunye nokuququzelela ukwakhiwa, ukusebenza kunye nokugcinwa.Ndiyathemba ukuba intshayelelo kweli nqaku inokukunika inkxaso yethiyori kuyilo lwexesha elizayo kunye nokukhetha.
Nceda uzive ukhululekile ukuqhagamshelana nathi ngolwazi oluthe vetshe malunga neentambo zelanga.
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Ixesha lokuposa: Jun-19-2024
