?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+KOMPOSIT+SERAT+KELAPA+DENGAN+POLIMER+KONDUKTIF%0D%0A%0D%0ASEBAGAI+MATERIAL+SISTEM+PROTEKSI+PETIR&rft.creator=Kiageng+%2C+Reksa+Pati%09&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Material+komposit+alami+mulai+diminati+sebagai+material+alternatif+dikarenakan%0D%0Alebih+ramah+lingkungan+dan+murah+dalam+proses+pembuatan+dibandingkan+dengan%0D%0Akomposit+serat+sintetis.+Penelitian+ini+mengusulkan+material+yang+terbuat+dari%0D%0Akomposit+alami+yaitu+serat+kelapa+yang+dilapisi+polianilin+(PANI)+sebagai+penguat%0D%0Adan+resin+epoksi+dengan+filler+Multi+Walled+Carbon+Nanotube+(MWCNT).+Tujuan%0D%0Adari+pelapisan+serat+kelapa+dengan+polimer+konduktif+polianilin+dan+penggunaan%0D%0AMWCNT+sebagai+filler+matriks+polimer+untuk+meningkatkan+konduktivitas%0D%0Akomposit+serat+kelapa.%0D%0A%0D%0APenelitian+ini+membuat+3+sampel+komposit+serat+kelapa+dengan+variasi+berat+serat%0D%0Akelapa+terhadap+epoksi+resin.+Dua+sampel+dibuat+dari+komposit+serat+kelapa%0D%0Adipolimerisasi+dengan+polianilin+dan+penggunaan+filler+MWCNT+dengan%0D%0Apersentase+berat+serat+kelapa+terhadap+resin+epoksi+yaitu+5%25+(CF-PANI+5%25%2FCNT)%0D%0Adan+10%25+(CF-PANI+10%25%2FCNT).+Satu+sampel+dibuat+dari+serat+kelapa+tanpa%0D%0Apolimerisasi+polianilin+dan+filler+filler+MWCNT+dengan+persentase+serat+kelapa%0D%0A5%25+(CF+5%25).+Tiga+sampel+dibuat+dalam+bentuk+kotak+uji+dengan+ukuran+30+cm+%C3%97%0D%0A30+cm+%C3%97+30+cm.+Kemudian+kotak+uji+mengalami+pengujian+tegangan+tembus.%0D%0APengujian+tegangan+tembus+pada+kotak+uji+memerlukan+2+buah+elektroda+batang%0D%0Ayang+diletakkan+di+bagian+atas+dan+di+dalam+kotak+uji.+Elektroda+atas+dihubungkan%0D%0Ake+pembangkit+tegangan+tinggi+impuls%2C+sedangkan+elektroda+bawah+dihubungkan%0D%0Ake+pentanahan.+Elektroda+atas+ditempatkan+sejajar+dengan+elektroda+bawah%0D%0Adengan+jarak+ekitar+2+mm.+Tegangan+impuls+yang+digunakan+untuk+pengujian%0D%0Ategangan+tembus+dibangkitkan+dari+pembangkit+impuls+dengan+tegangan+input%0D%0AAC+konstan+pada+6+kV.+Untuk+melihat+pengaruh+waktu+muka+gelombang+impuls%0D%0Amaka+nilai+induktor+dari+pembangkit+impuls+divariasikan+sebesar+20+%CE%BCH%2C+50+%CE%BCH%2C%0D%0A60+%CE%BCH%2C+70+%CE%BCH%2C+dan+110+%CE%BCH.+Kumparan+Rogowski+dipasang+pada+kabel+pentanahan%0D%0Adari+elektroda+bawah+untuk+mengukur+arus+saat+terjadi+tembus+antara+elektroda%0D%0Aatas+dan+elektroda+bawah.+Hasil+pengukuran+dari+kumparan+Rogowski%0D%0Aditampilkan+melalui+osiloskop.%0D%0A%0D%0AHasil+pengukuran+tegangan+tembus+paling+tinggi+didapatkan+dari+kotak+uji+dari%0D%0Akomposit+CF-PANI+10%25%2F+CNT+yaitu+10%2C6+kV+pada+nilai+induktor+70+%CE%BCH.%0D%0ASedangkan+tegangan+tembus+yang+paling+rendah+terjadi+pada+komposit+CF+5%25%0D%0Ayaitu+8+kV+pada+nilai+induktor+50+%CE%BCH.+Hasil+pengukuran+menunjukkan+bahwa%0D%0Ategangan+tembus+yang+terjadi+cenderung+meningkat+dengan+bertambahnya%0D%0Apersentase+serat+kelapa+yang+dipolimerisasi+dengan+polianilin.+Nilai+induktor+juga%0D%0Amempengaruhi+tegangan+tembus.+Semakin+tinggi+nilai+induktor+menghasilkan%0D%0Anilai+tegangan+tembus+yang+lebih+tinggi.%0D%0AKata+Kunci%3A+Serat+Kelapa%2C+Komposit%2C+Tegangan+Tembus%2C+Waktu+muka%2C%0D%0AKumparan+Rogowski.%0D%0A%0D%0ANatural+composite+materials+are+gaining+interest+as+alternative+materials+because%0D%0Ait%E2%80%99s+more+enviromentally+friendly+and+cheap+to+manufacture+compared+to+synthetic%0D%0Afiber+composite.+This+research+propose+a+material+made+from+natural+composite%2C%0D%0Anamely+coconut+fiber+coated+with+polyaniline+(PANI)+as+reinforcement+and+epoxy%0D%0Aresin+with+Multi+Walled+Carbon+Nanotube+(MWCNT)+filler+as+the+polymer+matrix.%0D%0AThe+purpose+of+coating+coconut+fiber+with+polyaniline+conductive+polymer+and%0D%0Ausing+MWCNT+as+polymer+matrix+filler+is+to+improve+the+conductivity+of+coconut%0D%0Afiber+composite.%0D%0AThis+study+made+3+samples+of+coconut+fiber+composite+with+varying+weights+of%0D%0Acoconut+fiber+to+epoxy+resin.+Two+samples+were+made+from+composite+of+coconut%0D%0Afiber+polymerized+with+polyaniline+and+the+use+of+MWCNT+as+a+filler+with+weight%0D%0Apercentages+of+coconut+fiber+to+epoxy+resin+of+5%25+(CF-PANI+5%25%2FCNT)+and+10%25%0D%0A(CF-PANI+10%25%2FCNT).+One+samples+was+prepared+from+coconut+fiber+without%0D%0Apolyaniline+polymerization+and+MWCNT+filler+with+a+percentage+of+coconut+fiber%0D%0Aof+5%25+(CF+5%25).+Three+samples+were+made+in+the+form+of+a+box+with+a+size+of+30%0D%0Acm+x+30+cm+x+30+cm.+The+test+boxes+were+subjected+to+breakdown+voltage+testing.%0D%0AThe+breakdown+voltage+testing+on+the+box+required+two-rod+electrodes+placed+at%0D%0Athe+top+and+inside+the+box.+The+top+electrode+is+connected+to+the+impulse+high%0D%0Avoltage+generator%2C+while+the+bottom+electrode+is+connected+to+the+ground.+The+top%0D%0Aelectrode+is+placed+parallel+to+the+bottom+electrode+with+a+distance+of+about+2+mm.%0D%0AThe+impulse+voltage+used+for+the+breakdown+voltage+test+was+generated+from+an%0D%0Aimpulse+generator+with+an+AC+input+voltage+set+to+be+constant+of+6+kV.+To+see+the%0D%0Aeffect+og+the+impulse+wavefront+time%2C+the+inductor+value+of+the+impulse+generator%0D%0Awas+varied+by+20+%CE%BCH%2C+50+%CE%BCH%2C+60+%CE%BCH%2C+70%2C+and+110+%CE%BCH.+A+Rogowski+coil+was%0D%0Aattached+to+the+grounding+wire+of+the+bottom+electrodes.+The+measurement+result%0D%0Afrom+the+Rogowski+coil+are+displayed+through+an+oscilloscope.%0D%0AThe+highest+breakdown+voltage+measurement+result+was+10%2C6+kV+which+belongs+to+the+test+box+of+CF-PANI+10%25%2FCNT+composite+at+an+inductor+value+of+70+%CE%BCH.+The%0D%0Alowest+breakdown+voltage+was+8+kV+which+occurred+in+the+CF+5%25+composite+at+an%0D%0Ainductor+value+of+50+%CE%BCH.+The+measurement+result+show+that+the+breakdown%0D%0Avoltage+tends+to+increase+with+the+increasing+percentage+of+voltage.+A+higher%0D%0Ainductor+value+result+in+a+higher+breakdown+voltage+value.%0D%0AKeywords%3A+Coconut+Fiber%2C+Composite%2C+Breakdown+Voltage%2C+Rise+Time%2C%0D%0ARogowski+Coil.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2024-02-12&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84421%2F1%2FABSTRAK%2520-%2520Kiageng%2520Reksa%2520Pati.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84421%2F2%2FSKRIPSI%2520FULL%2520-%2520Kiageng%2520Reksa%2520Pati.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84421%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Kiageng%2520Reksa%2520Pati.pdf&rft.identifier=++Kiageng+%2C+Reksa+Pati+++(2024)+STUDI+KOMPOSIT+SERAT+KELAPA+DENGAN+POLIMER+KONDUKTIF+SEBAGAI+MATERIAL+SISTEM+PROTEKSI+PETIR.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F84421%2F