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Pengaruh Radiasi UV Buatan Terhadap Kerusakan Permukaan Bahan Isolasi Resin Epoksi Silane

Journal from gdlhub / 2016-11-01 03:36:18
Oleh : Yanolanda Suzantry H, Suharyanto Suharyanto, JNTETI
Dibuat : 2013-11-01, dengan 1 file

Keyword : Sinar UV, Sudut Kontak, Luas Kerusakan Permukaan, silane,pasir silika.
Url : http://ejnteti.jteti.ugm.ac.id/index.php/JNTETI/article/view/104

Material polimer saat ini dikembangkan sebagai pengganti material isolator porselin dan gelas. Tetapi pemasangan di daerah beriklim tropis dan bercurah hujan tinggi dapat menimbulkan permasalahan. Radiasi sinar ultraviolet secara terus menerus akan mempercepat terjadinya proses degradasi. Akibatnya permukaan bahan isolasi menjadi lebih mudah mengalirkan arus listrik dan cepat terbentuknya luas kerusakan permukaan pada bahan isolator. Bahan yang digunakan pada penelitian ini adalah resin epoksi yang terbuat dari diglycidyl ether of bisphenol-A (DGEBA) sebagai bahan dasar, metaphenylen diamine (MPDA) sebagai bahan pengeras dan diberi bahan pengisi sealant dan pasir silika. Komposisi bahan DGEBA dan MPDA dibuat sama yaitu masing-masing 30% sedangkan bahan pengisi pasir silika 30%, 25%, 20%, 15%, 10% dan silicone rubber 10%, 15%, 20%, 25%, 30%. Ukuran bahan uji adalah 120 mm x 50 mm x 5 mm. Penelitian dilakukan di laboraturium menurut standar IEC 587 : 1984. Penelitian ini dilakukan untuk mengetahui pengaruh radiasi sinar ultraviolet terhadap sudut kontak hidropobik dan nilai luas kerusakan permukaan pada bahan isolasi resin epoksi silane. Hasil penelitian menunjukkan bahwa lamanya waktu pemaparan sinar UV cenderung membuat nilai sudut kontak suatu bahan semakin kecil dan arus bocor pada permukaan bahan akan semakin meningkat sehingga mempercepat terbentuknya luas kerusakan permukaan.

Deskripsi Alternatif :

Polymer is now developed as the material replacement of the porcelain isolator and glass insulators. However, tropical climates and high rainfall can cause problems to its. Ultraviolet radiation will continuously accelerate to the surface of the polymer insulator material. As a result, the surface of the insulating material becomes easier letting electric current flow and a fast formation of extensive damage to the surface of the insulator material. Materials used in this study were made from epoxy resin diglycidyl ether of bisphenol-A (DGEBA) as the base material, metaphenylen diamine (MPDA) as the reinforcement material and silica sand. DGEBA and MPDA composition was 30% silica sand filler 30%, 25%, 20%, 15%, 10% and 10% silicone rubber was 15%, 20%, 25%, 30%. The size of the test material was 120 mm x 50 mm x 5 mm. The study was conducted in the laboratory according to standard IEC 587: 1984. This study was conducted to determine the effect of ultraviolet radiation on hydrophobic contact angle and surface damage on the broad value of insulation material epoxy resin silanes. The results showed that the length of exposure time to UV light tended to increase the value of the contact angle. This was due to exposure to artificial UV rays which would accelerate the degradation process. The longer the level of ultraviolet radiation on the sample accelerating the degradation off silane epoxy resin insulators in addition, it caused greater leakage current on extensive damage to the surface of the insulating material.

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