?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PEMBUATAN+DAN+PENGUJIAN+MINYAK+METIL+ESTER+BIJI+KARET%0D%0ASEBAGAI+ISOLASI+TRANSFORMATOR+TEGANGAN+TINGGI%0D%0A&rft.creator=MUHAMMAD+ALIFIAH%2C+1515031067&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Minyak+mineral+digunakan+secara+umum+sebagai+minyak+isolasi+dalam%0D%0Atransformator+daya.+Namun%2C+minyak+mineral+bersifat+sulit+terurai+sehingga%0D%0Adibutuhkan+alternatif+lain+untuk+penggunaan+minyak+transformator.+Penelitian+ini%0D%0Abertujuan+untuk+mengubah+minyak+biji+karet+(Hevea+Braziliensis)+menjadi+minyak%0D%0Ametil+ester%2C+mempelajari+nilai+sifat+kimia-fisik+dan+tegangan+tembus+minyak+metil%0D%0Aester+berbasis+minyak+biji+karet+sebagai+bahan+isolasi+transformator+tegangan+tinggi.%0D%0AMinyak+biji+karet+diekstraksi+dengan+metode+press+mekanik.+Konversi+minyak+biji%0D%0Akaret+menjadi+metil+ester+dilakukan+dengan+proses+netralisasi+dan+esterifikasi.%0D%0AProses+netralisasi+menggunakan+katalis+NaOH+0%2C2+N+pada+rentang+suhu+60%E2%84%83+-70%E2%84%83%2C%0D%0Adiaduk+dengan+kecepatan+200+rpm.+Proses+esterifikasi+menggunakan+perbandingan%0D%0Amol+minyak+dan+metanol+sebesar+1%3A8+dan+katalis+NaOH+0%2C8%25.+Pengadukan%0D%0Adilakukan+pada+suhu+60%E2%84%83+dengan+putaran+200+rpm+sampai+400+rpm+selama+4+jam.%0D%0AHasil+pengujian+menunjukkan+nilai+sifat+kimia-fisik+yaitu+viskositas+sebesar+32%2C533%0D%0AcSt+yang+memenuhi+standar+IEEE+C57.147%2C+sedangkan+bilangan+asam+sebesar+12%2C46%0D%0Amg-KOH%2Fg+dan+kadar+air+sebesar+953%2C38+ppm+tidak+memenuhi+standar+IEEE%0D%0AC57.147+(maksimal+0%2C06+mg-KOH%2Fg+dan+150+ppm)%2C+dan+nilai+tegangan+tembus%0D%0Asebesar+48%2C01+kV%2F2%2C5+mm+memenuhi+standar+SPLN+49-1.+Hal+ini+menunjukkan%0D%0Aminyak+metil+ester+biji+karet+berpotensi+untuk+diolah+sebagai+minyak+isolasi%0D%0Atransformator+tegangan+tinggi%2C+namun+perlu+penelitian+lebih+lanjut+untuk%0D%0Amendapatkan+karakteristik+sesuai+standar+isolasi+transformator.%0D%0AKata+kunci+%3A+minyak+biji+karet%2C+minyak+metil+ester%2C+netralisasi%2C+esterifikasi%0D%0A%0D%0A%0D%0AMineral+oil+is+commonly+used+as+insulating+liquid+in+power+transformer.However%2C%0D%0Amineral+oil+is+poor+biodegradable+so+other+alternatives+are+needed+for+the+use+of%0D%0Atransformer+oil.+This+research+aims+to+process+rubber+seed+oil+(Hevea+Braziliensis)%0D%0Abecome+methyl+ester+oil%2C+study+the+physicochemical+properties+and+the+breakdown%0D%0Avoltage+of+methyl+ester+oil+based+on+rubber+seed+oil+as+a+high+voltage+transformer%0D%0Ainsulation+material.+Rubber+seed+oil+is+extracted+by+a+mechanical+press+method.+The%0D%0Aconversion+of+rubber+seed+oil+to+methyl+ester+is+carried+out+by+the+process+of%0D%0Aneutralization+and+esterification.+The+neutralization+process+uses+0.2+N+NaOH%0D%0Acatalyst+over+a+temperature+range+of+60%E2%84%83+-70%E2%84%83%2C+stirring+at+200+rpm.+The%0D%0Aesterification+process+uses+a+mole+of+oil+and+methanol+ratio+1%3A8+and+catalyst+(NaOH)%0D%0Aof+0.8%25.+Stirring+is+done+at+a+temperature+of+60%E2%84%83+with+rotation+speed+of+200+rpm+to%0D%0A400+rpm+for+4+hours.+The+test+results+show+the+value+of+physicochemical+properties%2C%0D%0Athose+are+viscosity+of+32.533+cSt+which+complied+to+IEEE+C57.147+standard%2C+while%0D%0Athe+acid+number+of+12.46+mg-KOH%2Fg+and+water+content+of+953.38+ppm+did+not%0D%0Acomply+to+IEEE+C57.147+standard+(maximum+0.06+mg-KOH%2Fg+and+150+ppm)%2C+and%0D%0Abreakdown+voltage+value+of+48.01+kV+%2F+2.5+mm+complied+with+SPLN+49-1+standard.%0D%0AThese+results+show+that+methyl+ester+rubber+seed+oil+has+the+potential+to+be+processed%0D%0Aas+high+voltage+transformer+insulation+oil%2C+but+further+research+is+needed+to+obtain%0D%0Acharacteristics+according+to+the+transformer+insulation+standards.%0D%0AKeywords%3A+rubber+seed+oil%2C+methyl+ester+oil%2C+neutralization%2C+esterification+&rft.publisher=Fakultas+Teknik&rft.date=2019-11-11&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56618%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56618%2F2%2FSkripsi%2520Full.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56618%2F3%2FSkripsi%2520Tanpa%2520Bab%2520Pembahasan.pdf&rft.identifier=++MUHAMMAD+ALIFIAH%2C+1515031067++(2019)+PEMBUATAN+DAN+PENGUJIAN+MINYAK+METIL+ESTER+BIJI+KARET+SEBAGAI+ISOLASI+TRANSFORMATOR+TEGANGAN+TINGGI.++Fakultas+Teknik%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56618%2F