Iziphuli zesekethe ze-DC zelanga: ukuqinisekisa ukhuseleko nokusebenza kakuhle
Njengoko imfuno yamandla ahlaziyekayo iqhubeka ikhula, amandla elanga abe yindlela ethandwayo nehlala ihleli yokuvelisa umbane. Njengoko iinkqubo ze-solar photovoltaic (PV) zithandwa ngakumbi, imfuneko yee-DC circuit breakers ezithembekileyo nezisebenzayo iye yaba yinto ebaluleke ngakumbi kunangaphambili. Ezi circuit breakers zidlala indima ebalulekileyo ekuqinisekiseni ukhuseleko kunye nokusebenza kakuhle kofakelo lwakho lwelanga.
Iziphuli zesekethe ze-DC zenzelwe ngokukodwa ukukhusela iisekethe kwiinkqubo ze-solar photovoltaic ngokuphazamisa umbane we-DC xa kukho ukugqithiswa kakhulu, i-short circuit, okanye enye ingxaki yombane. Zizinto ezibalulekileyo ezinceda ukuthintela umonakalo wenkqubo kwaye ziqinisekisa ukhuseleko lwezixhobo kunye nabasebenzi ababandakanyekayo ekufakweni nasekugcinweni kwenkqubo yelanga.
Omnye wemisebenzi ephambili ye-DC circuit breaker kwizicelo zelanga kukwahlulahlula izinto ezineempazamo okanye ezingasebenzi kakuhle kwinkqubo. Ngokuphazamisa ngokukhawuleza ukuhamba kombane, ezi circuit breakers zinceda ekuthinteleni umonakalo onokubakho kwiiphaneli zelanga, ii-inverters, kunye nezinye izinto ezibalulekileyo. Oku akugcini nje ngokukhusela utyalo-mali kwiinkqubo zamandla elanga, kodwa kunciphisa nomngcipheko wemililo kunye neengozi zombane.
Ukongeza kwiingqwalasela zokhuseleko, ii-DC circuit breakers zidlala indima ebalulekileyo ekwenzeni ngcono ukusebenza kunye nokusebenza kakuhle kweenkqubo ze-solar PV. Ii-circuit breakers zenza ukugcinwa kunye nokusombulula iingxaki kube lula ngokubonelela ngendlela yokuqhawula iindawo ezithile zenkqubo, ezifana neentambo zephaneli yelanga nganye okanye ii-subarrays. Olu buchule lubaluleke kakhulu kwiifakelo ezinkulu zelanga, apho ukuchongwa ngexesha elifanelekileyo kunye nokusombulula iingxaki kunokuba nefuthe elikhulu kwimveliso yamandla iyonke.
Xa ukhetha i-DC circuit breaker yokusetyenziswa kwelanga, kukho izinto ezininzi ekufuneka ziqwalaselwe ukuqinisekisa ukuhambelana nokuthembeka. Ezi ziquka ukulinganiswa kwe-voltage kunye ne-current, uhlobo lweepaneli zelanga kunye nee-inverters ezisetyenzisiweyo, iimeko zokusingqongileyo kunye nokuthotyelwa kwemigangatho nemigaqo efanelekileyo yoshishino. Ii-circuit breaker ezenzelwe ngokukodwa kwaye zavavanywa ukuba zisetyenziswe kwiinkqubo ze-solar photovoltaic kufuneka zikhethwe ukuqinisekisa ukusebenza kakuhle kunye nokhuseleko.
Ukongeza, inkqubela phambili kubuchwepheshe be-DC circuit breaker iye yenza kube lula ukuphuhliswa kwezisombululo ezintsonkothileyo nezikrelekrele ezenzelwe ukusetyenziswa kwelanga. Umzekelo, ezinye ii-DC circuit breakers zanamhlanje zixhotyiswe ngezakhono zokubeka esweni kunye nonxibelelwano ezakhelwe ngaphakathi ezivumela ukujonga imeko kunye nokuxilongwa kwesimo esikude. Eli nqanaba lokusebenza libaluleke kakhulu ekuchongeni iingxaki ezinokubakho kunye nokwenza ngcono ukusebenza kwenkqubo yakho yelanga.
Njengoko ishishini lelanga liqhubeka likhula, imfuneko yee-DC circuit breakers ezinokhuseleko olukhulu, ukuthembeka kunye nokusebenza kakuhle iya kuqhubeka ikhula. Abavelisi kunye nababoneleli basabela kule mfuno ngokuphuhlisa izisombululo ezintsha ezihlangabezana neemfuno ezithile zokufakelwa kwe-PV yelanga. Ukusuka kuyilo oluncinci lwemodyuli ukuya kwiimpawu zokhuseleko eziphambili, ezi circuit breakers zenzelwe ukuhlangabezana neemfuno ezihlala zitshintsha zeshishini lelanga.
Ngamafutshane, i-DC circuit breaker yinxalenye ebalulekileyo yenkqubo ye-solar photovoltaic kwaye sisixhobo esibalulekileyo sokhuseleko kunye nokukhuthaza ukusebenza kakuhle. Ngokukhetha ii-circuit breakers ezifanelekileyo kunye nokuzidibanisa ngokufanelekileyo kufakelo lwamandla elanga, abachaphazelekayo banokuqinisekisa ukuthembeka nokusebenza kwexesha elide kweenkqubo zabo. Njengoko ishishini lelanga likhula, ii-DC circuit breakers ziya kuqhubeka nokudlala indima ephambili ekuxhaseni ukukhula kunye nokuzinza kwamandla elanga.
Ixesha leposi: Juni-03-2024