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PENGARUH KETEBALAN LAPISAN SiO2 TERHADAP NILAI PELUAHAN AWAL SEBAGIAN DAN TEG…
This study aims to determine the effect of variations in SiO₂ layer thickness on the Partial Discharge Inception Voltage (PDIV) and Breakdown Voltage (BDV) values in epoxy resin composites. The SiO₂ layer was prepared using a TEOS-based sol-gel method and applied by spray coating technique on the sample surface. The thickness variations tested were 20 µm, 30 µm, 40 µm, 50 µm, and 60 µm…
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- xvii, 108 hlm.; ilus.; tab.; 29 cm.
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- T1871172025
KLASIFIKASI TEKS BERITA NON-FORMAL DAN FORMAL DALAM BAHASA INDONESIA MENGGUNA…
This research aims to develop an Indonesian news text classification system to distinguish between formal and non-formal texts. This classification system utilises the Long Short-Term Memory (LSTM) algorithm with reference to the Big Indonesian Dictionary (KBBI). The development process involves text preprocessing techniques, such as data cleaning, lower case, remove punctuation, tokenising, st…
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- xiii, 57 hlm.; ilus.; 29 cm
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- T1596062024
PENGARUH KELEMBABAN TERHADAP KARAKTERISTIK TEGANGAN TEMBUS MINYAK MINERAL NYN…
Skripsi ini melaporkan hasil penelitian pengaruh dari kelembaban terhadap karakteristik tegangan tembus minyak mineral nynas nytro libra sebagai minyak isolasi dengan ditambah beberapa pengisi seperti Fe3O4, MgCl2, dan NaCl pada kelembaban relatif yang berbeda-beda. Pengujian dilakukan terhadap sampel nynas nytro libra oil dengan penambahan tiga pengisi pada konsentrasi 0,05;0,1;0,2 dalam g/L u…
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- xiv, 58 hlm.; ilus.; 29 cm
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- T1594192024
KEKUATAN TEMBUS KERTAS KRAFT DIIMPREGNASI MINYAK KEDELAI DENGAN PENGISI NANOP…
Penelitian ini membahas mengenai peningkatan kekuatan dielektrik pada kertas kraft yang diimpregnasi minyak kedelai berpengisi campuran SiO2 dan CQD dengan konsentrasi total 0,01 wt%. Kertas kraft yang akan diuji berbentuk persegi empat dengan panjang sisi 30 mm dan ketebalan 0,08 mm. Sampel uji akan direndam menggunakan bahan pengisi SiO2 dan CQD dengan variasi waktu perendaman 24, 48, 72, 96,…
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- ix, 86 hlm.; ilus.; 29 cm
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- T1594182024
PENGARUH KONTAMINAN KARBON LIMBAH TRANSPORTASI DARAT TERHADAP SIFAT HIDROFOBI…
Penelitian ini melaporkan hasil penelitian mengenai pengaruh polutan dari kendaraan bermotor yang melintasi Jalan Musi 2 Palembang pada material isolasi epoxy resin. Pengukuran yang dilakukan yaitu sudut kontak (contact angle) dan arus bocor (leakage current). Pengukuran sudut kontak pada sampel tanpa pengkondisian sebagai sampel kontrol, 120 jam; 168 jam; dan 216 jam didapatkan nilai sudut kon…
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- xv, 32 hlm.; ilus.; 29 cm
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- T1594242024
IDENTIFIKASI POLA PELUAHAN SEBAGIAN PADA SAKLAR DENGAN MATERIAL ISOLASI GAS (…
Skripsi ini membahas identifikasi pola Partial Discharge (PD Pattern) pada switch Larken EB-21 dengan variasi penurunan tekanan udara Proses pengukuran dilakukan dengan sistem elektroda switch yang ditempatkan di dalam gas test chamber. Selanjutnya dilakukan proses vacuum untuk mengurangi tekanan udara yang terdapat di dalam gas test chamber dengan nilai tekanan tekanan udara dari 766,5 mmHg, l…
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- ix, 86 hlm.; ilus.; 29 cm
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- T1595642024
PENGARUH KONTAMINAN KABUT GARAM (SALT-FOG) TERHADAP SIFAT HIDROFOBISITAS DAN …
Penelitian ini melaporkan hasil studi tentang pengaruh kontaminan kabut garam(salt-fog) pada silicone rubber sebagai fungsi waktu pengkondisian terhadap sudut kontak (contact angle) dan resistivitas permukaan (surface resistivity). Resistivitas permukaan dihitung berdasarkan nilai arus bocor pada permukaan sampel. Hasil pengukuran sudut kontak untuk kelompok kontrol adalah sebesar 109,6º. Untu…
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- xiii, 87 hlm.; ilus.; 29 cm
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- T1595672024
PENGARUH TEMPERATUR TERHADAP FAKTOR DISIPASI DIELEKTRIK (TAN δ) DAN KEKUATAN…
This study discusses the effect of temperature on Bakelite Sheet material. Tests were conducted on Bakelite Sheet samples treated with temperatures of 150°C, 200°C, and 250°C with a heating time of 30 minutes. As a comparison, tests were also conducted on unheated Bakelite Sheet control samples. The samples were made in the form of sheets with a length of 50 mm, a width of 50 mm, and a thick…
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- xix, 83 hlm.; ilus.; tab.; 29 cm.
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- T1869902025
PENGARUH PENGISI CAMPURAN NANOPARTIKEL CERIUM OKSIDA (CeO2) DAN SILIKON DIOKS…
This study examines the effect of adding a mixed filler of Cerium Oxide (CeO₂) and Silicon Dioxide (SiO₂) nanoparticles on the dielectric characteristics of corn oil as an environmentally friendly alternative transformer insulating oil. The CeO₂–SiO₂ nanoparticle mixture was prepared in a 1:1 ratio with concentrations of 0,05; 0,1; 0,15; and 0,2 wt%. The experimental procedures includ…
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- xix, 121 hlm.; ilus.; tab.; 29 cm.
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- T1869602025
PENGARUH KADAR AIR VIRGIN COCONUT OIL TERHADAP SIFAT–SIFAT DIELEKTRIK PRESS…
This paper focuses on analyzing the effect of moisture content in Virgin Coconut Oil (VCO) on the dielectric properties of pressboard as a transformer insulation material. The experiments were conducted on two types of samples: non-impregnated pressboard and pressboard impregnated with VCO for 6, 12, and 24 hours. The tested parameters included moisture content, relative permittivity, Partial D…
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- xxi, 113 hlm.; ilus.; tab.; 29 cm.
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- T1869812025
ANALISIS TEGANGAN TEMBUS SILICON OIL AKIBAT PENUAAN TERMAL DAN PARTIKEL KERTA…
Silicone oil is one of the insulating liquids used in power transformers due to its high thermal stability and excellent dielectric properties. However, during operation, this oil may degrade because of thermal aging and contamination by solid particles such as Kraft paper. This study aims to analyze the effect of thermal aging and the presence of Kraft paper particles on the breakdown voltage …
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- xx, 94 hlm.; ilus.; tab.; 29 cm.
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- T1870072025
KARAKTERISTIK TEGANGAN TEMBUS PADA CAMPURAN MINYAK MINERAL DAN EXTRA VIRGIN O…
This study aims to analyze the breakdown voltage characteristics of a mixture of mineral oil and Extra Virgin Olive Oil (EVOO) with the addition of Aluminium Oxide (Al₂O₃) nanoparticles as filler. Mineral transformer oil is widely used due to its excellent dielectric strength but is not environmentally friendly. As an alternative, Extra Virgin Olive Oil, which is biodegradable and has a hig…
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- xx, 99 hlm.; ilus.; tab.; 29 cm.
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- T1869802025
ANALISIS PENAMBAHAN NANOPARTIKEL ZINC OXIDE (ZnO), ALUMINIUM OXIDE (Al2O3), D…
This study aims to analyze the effect of addition of ZnO, Al2O3, and TiO2 nanoparticles on breakdown voltage values. The test was conducted on soybean oil samples with varying concentrations of 0,1, 0,2, 0,3, and 0,4 wt% of each nanoparticles, as well as pure soybean oil to observe the effect of adding ZnO, Al2O3, and TiO2 nanoparticles. This test used ∅ 13 mm sphere electrode system with a 2…
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- xxi, 123 hlm.; ilus.; tab.; 29 cm.
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- T1869702025
PENGARUH KONSENTRASI PENGISI MAGNESIUM OXIDE DAN ZINC OXIDE TERHADAP NILAI TE…
This research investigates the enhancement of PDIV and Breakdown Voltage in Epoxy Resin insulation material filled with MgO and ZnO at concentrations of 1 wt%, 2 wt%, 3 wt , 3,5wt% and 4 wt%. Testing was performed using a needle-plane electrode with a 1 mm gap, and AC voltage was ramped up at 100 V/s for PDIV and 1 kV/s for . Test results showed that adding MgO and ZnO improved insulation perfo…
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- xx, 106 hlm.; ilus.; tab.; 29 cm.
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- T1870062025
KARAKTERISTIK DIELEKTRIK ISOLASI KERTAS KRAFT YANG DIIMPREGNASI MINYAK KANOLA…
Partial Discharge Inception Voltage (PDIV) and Breakdown Voltage (BDV) characteristics of kraft paper insulation impregnated with canola oil containing ZnO (zinc oxide) nanofluid, under variations in multilayer configuration and impregnation time. The purpose of this research is to analyze the influence of ZnO nanoparticle concentration and multilayer structure on the dielectric performance of …
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- xx, 114 hlm.; ilus.; tab.; 29 cm.
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- T1869642025
ANALISIS SIFAT DIELEKTRIK PADA MATERIAL ISOLASI EPOXY RESIN BERPENGISI SILICO…
This paper aims to analyze the effect of adding silicone dioxide (SiO₂) as a filler on the dielectric properties of epoxy resin. The samples were prepared using Bisphenol A–Epichlorohydrin epoxy resin with SiO₂ filler concentrations of 1; 2; 3; 4; 5 wt%. The tests were conducted using a plate-plate electrode system at a frequency of 50 Hz to measure the relative permittivity, dissipation …
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- xx, 106 hlm.; ilus.; tab.; 29 cm.
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- T1869892025
High Voltage and Electrical Insulation Engineering
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- 978- 0- 470- 60961-3
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- xvi, 377 p. : ill.; 24 cm.
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- 621.319 Aro h
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