Izithako zekhebula ezine-voltage ephezuluidlala indima ebalulekile engqalasizinda yamandla avuselelekayo, esiza ukudlulisa ngempumelelo ugesi onamandla ophehlwa yimithombo yamandla avuselelekayo.Njengoba isidingo samandla ahlanzekile siqhubeka sikhula, ukubaluleka kwalezi zitolo akunakugcizelelwa.Lesi sihloko sizodingida ukubaluleka kwamasokhethi amakhebula kagesi aphezulu kwingqalasizinda yamandla avuselelekayo, sidingida izici zawo ezibalulekile kanye nezinzuzo.
Okokuqala, izitolo zamakhebula kagesi aphezulu zisebenza njengendawo yokuxhumana phakathi kwemishini ekhiqizayo nohlelo lokudlulisa.Njengoba imithombo yamandla evuselelekayo efana namandla elanga nawomoya ingakhiqiza ugesi wamandla kagesi aphezulu, amasokhethi amakhebula kagesi aphezulu abalulekile ekuqinisekiseni ukudluliswa kwamandla okuphephile nokuphumelelayo kugridi.Lawa masokhethi enza kube lula ukuxhunywa kwezintambo ezinamandla kagesi ukuze kudluliswe amandla angenamthungo.
Ngaphezu kokusiza ukudluliswa kwamandla, amasokhethi amakhebula kagesi aphezulu nawo adlala indima ebalulekile ekuvikelweni kwesistimu.Ingqalasizinda yamandla avuselelekayo ngokuvamile iqukethe izingxenye ezihlukahlukene, okuhlanganisa ama-inverter, ama-transformer nama-switchgear, phakathi kokunye.Isokhethi yekhebula le-high-voltage isebenza njengesixhumi esibonakalayo phakathi kwalezi zingxenye, iqinisekisa ukubambisana kwesistimu nokuvikelwa okuthembekile.Ngokuhlinzeka ngoxhumano oluvikelekile nokuphatha kahle ukugeleza kwamandla kagesi aphezulu, kuvimbela ukugcwala kwemishini futhi kunomthelela ekuzinzeni okuphelele kwengqalasizinda yamandla avuselelekayo.
Ukwengeza, amasokhethi amakhebula kagesi aphezulu anomthelela ekuguquguqukeni nasekukhuleni kwezinhlelo zamandla avuselelekayo.Njengoba isidingo samandla ahlanzekile siqhubeka sikhula, ingqalasizinda kufanele ihambisane nokwanda kanye nentuthuko.Amasokhethi amakhebula kagesi aphezulu aklanyelwe ukuphatha amazinga kagesi aphezulu, avumela ukuhlanganiswa kwemithombo emisha yokuphehla ugesi nengqalasizinda ekhona.Lokhu kuvumelana nezimo kuvumela ukwanda okungenazihibe kwezinhlelo zamandla avuselelekayo, okuzivumela ukuthi zivumelane nezidingo zamandla zesikhathi esizayo.
Mayelana nezinzuzo, amasokhethi amakhebula kagesi aphezulu anikeza izinzuzo ezibalulekile nengqalasizinda yamandla avuselelekayo.Enye yezinzuzo eziyinhloko yikhono labo lokuphatha kahle imithwalo yamandla aphezulu.Lokhu kusebenza kahle kusiza ukunciphisa ukulahleka kwamandla ngesikhathi sokudlulisa, kunciphisa ukungcola futhi kukhulisa ukusetshenziswa kwamandla avuselelekayo.Ngaphezu kwalokho, amasokhethi amakhebula kagesi aphezulu aklanyelwe ukumelana nezimo zemvelo ezinzima, ukuqinisekisa ukuthi ingqalasizinda yamandla avuselelekayo ingahlala isebenza ngisho nasezimweni zezulu ezimbi kakhulu.
Ngaphezu kwalokho, amasokhethi ekhebula ane-voltage ephezulu akhulisa ukuphepha kwezinhlelo zamandla avuselelekayo.Ukwakhiwa kwayo okuqinile kanye nomklamo kuvikela ngokumelene nokungasebenzi kahle kukagesi nokuphuka, kunciphisa ubungozi bezingozi ku-opharetha nendawo ezungezile.Ukwengeza, lezi zitolo zifaka ubuchwepheshe obuthuthukisiwe obuvumela ukuqapha okukude nokuxilongwa.Leli khono lenza ukugcinwa okusebenzayo nokuxazulula izinkinga, kuqinisekiswe ukusebenza okuqhubekayo kohlelo lwamandla avuselelekayo.
Ekuphetheni,izitsha zekhebula lamandla kagesi aphezuluziyingxenye ebalulekile yengqalasizinda yamandla avuselelekayo.Zenza kube lula ukudluliswa okusebenzayo kwamandla kagesi aphezulu, zinikeze ukuvikelwa kwesistimu, futhi zibe negalelo ekuguquguqukeni nasekukhuleni kwezinhlelo zamandla avuselelekayo.Ngaphezu kwalokho, banikeza izinzuzo ezibalulekile ezihlanganisa ukuphatha kahle umthwalo kagesi, ukuphepha okuthuthukisiwe kanye nekhono lokuqapha elikude.Njengoba umhlaba uqhubeka nokuguqukela kumandla okuhlanza, indima yamasokhethi amakhebula kagesi aphezulu ekuvumela ukuhlanganisa okungenazihibe kwamandla avuselelekayo ngeke inganakwa.Igalelo labo ekukhuleni nasekuthuthukisweni kwengqalasizinda yamandla esimeme libaluleke kakhulu.
Isikhathi sokuthumela: Sep-01-2023