Apa fungsi titik netral, bushing HV lan LV saka trafo daya?

Bushing saka trafo daya digunakake kanggo arch internal dhuwur-voltase lan kabel kurang voltase saka trafo daya metu saka tank lenga, kang ora mung muter peran grounding kabel terisolasi, nanging uga muter peran mbenakake kabel. Bushing trafo daya minangka salah sawijining komponen trafo sing nggawa saiki. Ing proses operasi, beban saiki liwati kanggo dangu. Nalika sirkuit cendhak ana ing njaba trafo, arus hubung singkat liwat. Mulane, syarat ing ngisor iki diusulake kanggo isolator trafo:

(1) Kudu nduweni kekuatan listrik sing ditemtokake lan kekuatan mekanik sing cukup.

(2) Sampeyan kudu duwe stabilitas termal sing apik lan bisa nahan overheating transien sajrone sirkuit cendhak.

(3) katon cilik, kualitas cilik, kinerja sealing apik, versatility kuwat lan pangopènan trep.

HV, LV lan bushing netral saka trafo daya yaiku bushing kapasitor lenga kertas. Bushing voltase dhuwur yaiku struktur flange ganda. Siji flange digunakake kanggo nginstal bushing ing ndhuwur trafo, flange kapindho digunakake kanggo nyambungake bus pipo SF6, lan soket test kapasitor digambar antarane loro flange. Sisih ndhuwur disegel ing saluran SF6. Outlet saka pager disambungake menyang bus bar saka saluran SF6.

Bushing voltase kurang saka trafo daya disambungake menyang bar bis ditutup ing sisih kurang voltase, lan sambungan antarane loro iku sambungan alus.

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Telung trafo siji-phase disambungake karo saben liyane liwat isolator titik netral kanggo mbentuk titik netral saka bank trafo, lan titik netral langsung lemah liwat trafo saiki ing kamar phase B.