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All Journal LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Jurnal Media Elektro : Journal of Electrical Power, Informatics, Telecommunication, Electronics, Computer and Control System Jurnal Pengabdian Kepada Masyarakat (JPKM) Jurnal Teknologi Jurnal Ilmiah Fakultas Sains dan Teknik Universitas Nusa Cendana
Jani F Mandala, Jani F
Jurusan Teknik Elektro, Fakultas Sains Dan Teknik, Universitas Nusa Cendana
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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PENGUATAN TEGANGAN GENERATOR PERMANEN MAGNET DENGAN MENGGUNAKAN KONVERTER AC-AC Jani F. Mandala
Jurnal Media Elektro Vol 8 No 2 (2019): Oktober 2019
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (523.6 KB) | DOI: 10.35508/jme.v0i0.1895

Abstract

Abstract The study aims to create a permanent magnetic generator voltage amplifier by using a AC-ac converter. To stabilize the external voltage, then used the buck-boost converter. The results showed that by regulating the voltage gain Buck-Boost converter at 27 volt voltage as well as regulating the duty cycle between 1 khz to 5 khz, can be generated an external 220 volt through the inverter. The test results of the device can supply stably up to a load of 100 watts. ABSTRAK Penelitian ini bertujuan untuk membuat penguat tegangan generator permanent magnet dengan menggunakan konverter ac-ac. Untuk menstabilkan luaran tegangan, maka digunakan buck-boost converter. Hasil penelitian menunjukkan bahwa dengan mengatur penguatan tegangan buck-boost converter pada tegangan 27 volt serta mengatur duty cycle antara 1 khz s/d 5 khz, dapat dihasilkan luaran 220 volt melalui inverter. Hasil uji coba perangkat dapat menyuplai dengan stabil sampai pada beban 100 watt.
INTEGRASI PROTOKOL MQTT DAN HTTP UNTUK OTOMASI BERBASIS IOT PADA PERTANIAN LAHAN KERING Hendro FJ Lami; Kalvein R Rantelobo; Jani F Mandala; Agistinus S Sampeallo
Jurnal Media Elektro Vol 9 No 2 (2020): Oktober 2020
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v0i0.3008

Abstract

The availability of telecommunication infrastructure and services has not been evenly distributed throughout the NTT region. This problem becomes the basis of this research to develop a communication system that capable of reaching areas without a telecommunications network. Through the LORA gateway on the raspberry pi, information from areas that are not covered by telecommunications services is sent to another gateway using a working frequency of 915MHz. The plant in this study is the regulation of soil moisture with the input of 2 sensors and 1 relay for controlling land irrigation activities. An esp8266 sensor node collects the sensing results of the YL-69 and DS18B20 sensors to control the pump motor operation. The process of sending data between the sensor node and the gateway uses the mqtt protocol. Users in areas served by the internet network can access all published data on the test website. The results of controlling the plant area in the test area fluctuated and tended to be stable at between 60% and 80%.
Co-Authors Agistinus S Sampeallo Agustinus S. Sampeallo Frans J. Likadja Frans Likadja Hendro F. J. Lami Hendro FJ Lami Kalvein Rantelobo Verdy A Koehuan Wellem F. Galla Wellem F. Galla