Wanpela Besik Introdaksen Long Pawa Kebol

Aug 08, 2025

Larim wanpela toksave

Pasin bilong yusim ol pawa kebol i bin stat moa long wanpela handet yia i go pinis. Long 1879, wanpela man bilong Amerika husat i bin wokim ol nupela samting, T. A. Edison, i bin pasim 'jute' long wanpela 'copper rod', na putim i go insait long wanpela ain paip, na bihain em i pulimapim wantaim wanpela 'asphalt mixture' bilong wokim wanpela 'cable'. Em i putim dispela kebol long New York, na em i kirapim pawa transmisin aninit long graun. Long yia bihain, man bilong Briten, Callender, i wokim pawa kebol we i gat asfalt-pepa i gat insulesen long en. Long 1889, man bilong Briten, SZ Ferranti, i bin putim wanpela 10 kV oil-pepa-insulet kebol namel long London na Deptford. Long 1908, UK i pinisim wanpela 20 kV kebol netwok. Ol i stat long yusim ol pawa kebol. Long 1911, Jemani i putim 60 kV hai-voltej kebol, na dispela i makim stat bilong divelopmen bilong ol hai-voltej kebol. Long 1913, wanpela man bilong Jemani, M. Hochstedt, i kamapim ol 'phase-shielded cable', we i helpim 'electric field distribution' insait long 'cable' na i rausim 'tangential stress' long 'insulation surface', na dispela i makim wanpela bikpela samting long kamapim ol 'power cable'. Long 1952, Sweden i putim 380 kV ultra-hai voltej kebol long noten pawa plent bilong en, na dispela i makim namba wan aplikesen bilong ol ultra-hai voltej kebol. Long 1980s, ol i bin wokim ol 1100 kV na 1200 kV ultra-hai voltej pawa kebol.

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