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All Journal Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering)
Purwiyanto Purwiyanto
Jurusan Teknik Elektronika Politeknik Negeri Cilacap
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering

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PENGHITUNG SETPOINT DOWN COUNTER OTOMATIS PADA LAMPU LALU LINTAS DENGAN MENGGUNAKAN PANEL LED DOT MATRIX Galih Mustiko Aji; Purwiyanto Purwiyanto
Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Vol 4 No 2 (2017): Jurnal Ecotipe, Oktober 2017
Publisher : Jurusan Teknik Elektro, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/ecotipe.v4i2.9

Abstract

Down counter on the traffic light provides information for drivers on how long the lamps will be on or off, then they are not careless who can cause traffic jam and accidents. The instalation of down counter needs value of set point which derived from the traffic light controller or it is set manually by technician. The design of down counter which is capable of standing by itself, it is possible to use less cables and it will facilitate on its time changing and the maintenance of traffict light. In this research, a down counter which counts by itself will be create value of set point which designed by using display of let dot matrix panel with the size of 32x32 pixel. It is able to display figures as many as 2 digits of 99 until 00.
PENGUJIAN TEMBUS DIELEKTRIK MINYAK JARAK SEBAGAI ALTERNATIF PENGGANTI ISOLASI PADA MINYAK TRAFO Purwiyanto Purwiyanto; Galih Mustiko Aji
Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Vol 4 No 1 (2017): Jurnal Ecotipe April 2017
Publisher : Jurusan Teknik Elektro, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/ecotipe.v4i1.17

Abstract

To detach two or more conductors which have voltage in electrical power system, it is needed an insulation, then among conductors which have voltage do not occur electricity sputtering. Oil is an insulation material which muchused to insulate and refrigerate the high voltage electrical tools. Oil insulator is an liquid insulation which derived from petroleum or crude oil which specifically processed until having characteristics as an insulator, but nowdays theworld development demands for safe and eco-friendly products to decrease the effects of global warming. This condition opens the opportunity to use renewable energy which derived from vegeTabel oil. The breakdown voltagetest of curcas liquid oil insulation materials at various electrode using transformator gulf oil as comparator, it aims to study insulation power of curcas oil towards the breakdown voltage with various temperature and gap spacing. Basedon the result of the test, it shows that the breakdown voltage of curcas oil dielectric has the highest point, then it is possible to be developed being transformator insulation oil.
Co-Authors Aji, Galih Mustiko