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The Utilization of Small Voltage Battery for Emergency Light using the "Joule Thief" Circuit presented in Electromagnetism Course at Department of Nuclear Engineering and Engineering Physics, Faculty of Engineering, Universitas Gadjah Mada
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The Utilization of Small Voltage Battery for Emergency Light using the "Joule Thief" CircuitThe Applied Electromagnetics ProjectElectromagnetics CourseDepartment of Nuclear Engineering and Engineering PhysicsUniversity of Gadjah Mada
Contributors
1. Abdurachman Mappuji (39124),2. Tiyana Firli (41422),3. Teguh Arya Pamungkas (41497),4. Anggit Kristianto (41554).
3 Background
Dari total 33 provinsi di Indonesia pada tahun 2008 hanya 14 provinsi yang memiliki rasio elektifikasi lebih dari 60% sedangkan sisanya 14 provinsi dengan rasio elektrifikasi 41% sampai 60% dan 5 provinsi memiliki rasio elektrifikasi 20 sampai 40%.
Walaupun menurut data Kementrian ESDM pada tahun 2013 rasio elektrifikasi di Indonesia sebesar 80,51% namun kesenjangan rasio elektrifikasi masih belum teratasi sepenuhnya.
Terbukti dengan pernyataan rektor UGM pada tahun 2015 bahwa kesenjangan rasio elektrifikasi perlu dikurangi.
Method
Image Source: [1] North Fulton Amateur Radio League, “Joule Thief – Detailed Construction.” [Online]. Available: http://www.nfarl.org/kits/jouleThief/Joule_Thief_Detailed_Construction.pdf.
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Vin+
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Vout
Number of LED: 8
11 Method (cont.)
Examining relations between voltage and time
Examining relations between voltage and relative light intensity
13 Results
Date Time Time (minutes) Vin (V) Intensity
13/11/2015 08:32:00 PM 0.0 1.605 Very Bright
14/11/2015 06:25:00 PM 1313.0 1.329 Very Bright
15/11/2015 01:27:00 PM 2455.0 1.252 Very Bright
15/11/2015 05:35:00 PM 2703.0 1.231 Very Bright
15/11/2015 07:48:00 PM 2836.0 1.219 Very Bright
16/11/2015 03:33:00 PM 4021.0 1.03 Bright
17/11/2021 12:10:00 PM 5978.0 0.485 Dim