STUDI PENEMPATAN ARRESTER DI PT. PLN (PERSERO) AREA BINTARO
DOI:
https://doi.org/10.22441/jte.v3i1.737Abstrak
Pada umumnya bila arus gangguan itu sebesar 5A atau lebih kecil busur listrik yang timbul pada kontak-kontak antara kawat yang terganggu dan bumi masih dapat padam sendiri (Self Extinguishing). Tetapi sistem-sistem tenaga itu makin lama makin besar baik panjangnya maupun tenaganya. Dengan demikian arus yang timbul bila terjadi lagi gejala-gejala “Arching Grounds” semakin menonjol. Gejala ini sangat berbahaya karena akan menimbulkan tegangan lebih transient yang dapat merusak alat-alat.
Yang dimaksud dengan Effective Grounding adalah pembumian dimana perbandingan antara reaktansi urutan positif lebih kecil atau sama dengan tiga, dan perbandingan tahanan urutan nol dan reaktansi urutan positif lebih kecil atau sama dengan satu (X0-/X1≤3;X1≤1).
Kata kunci : Self Extinguishing, Arching Ground, Effective Grounding
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