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All Journal JURNAL SIMETRIK CIRCUIT: Jurnal Ilmiah Pendidikan Teknik Elektro Jurnal Penelitian Pendidikan IPA (JPPIPA) Matrix : Jurnal Manajemen Teknologi dan Informatika Logic : Jurnal Rancang Bangun dan Teknologi JAMETECH MATRIX : JURNAL MANAJEMEN TEKNOLOGI DAN INFORMATIKA
I Ketut Parti
Politeknik Negeri Bali
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Other

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Optimization of off-grid solar generating system with DC-DC converter I Ketut Parti; Suratno; Ni Wayan Rasmini
Matrix : Jurnal Manajemen Teknologi dan Informatika Vol. 12 No. 3 (2022): Jurnal Manajemen Teknologi dan Informatika
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/matrix.v12i3.147-154

Abstract

Electrical energy is a very complex problem for every country in the world, as well as in Indonesia in particular, with the rapid progress of the country’s industry, of course, followed by an increase in the generation of electrical energy. While the current energy generation most often comes from fossil fuels, which are increasingly depleting, the energy supply will decrease and increase sales. Therefore, every country is competing to find other energy for electrical energy generation. Renewable energy is a green energy generator whose supply is abundant and inexhaustible. Solar power plants (PLTS) are one of the green energies developed by the Indonesian government to utilize energy derived from non-fossil fuels. To support this, it is necessary to study and research to be done using the DC-DC up/down converter is expected to obtain results that can be used as a reference in the development of solar power plants (PLTS). With a DC-DC up/down converter, the voltage stabilization produced by PLTS can be stabilized by a DC-DC converter from 9 volts DC to 11.5 volts for a minimum voltage. Above 12 volts to 18 volts, up to 12 volts can be stabilized.
Monitoring kapasitas baterai buggy (club car) di The Ritz-Carlton Bali Ida Bagus Putu Yogi Pramana Putra; Ni Made Wendi Apriani; Dewa Gede Wahyu Kharisma; Made Dwika Ardiawan; I Made Purbhawa; I Ketut Parti; Putri Alit Widyastuti Santiary
Journal of Applied Mechanical Engineering and Green Technology Vol. 3 No. 3 (2022): November 2022
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/jametech.v3i3.92-95

Abstract

Dalam dunia industri perhotelan mutu pelayanan merupakan senjata utama dalam persaingan di industri pariwisata. Mutu pelayanan sebaik mungkin dijaga agar tamu merasa nyaman sehingga tamu akan dating kembali ke hotel. Di The Ritz-Carlton Bali mutu pelayanan sangat dijaga demi kenyamanan tamu. The Ritz-Carlton Bali merupakan hotel resort yang memiliki luas 12,7 hektar sehingga memerlukan sarana transportasi berupa buggy dalam operasional hotel baik untuk transportasi tamu dan keperluan lainnya. Tentunya kondisi buggy harus tetap prima setiap harinya demi menjaga mutu pelayanan terhadap tamu. Namun kenyataanya di lapangan sering kali terjadi masalah pada buggy dimana buggy mogok dan mati total. Masalah tersebut disebabkan oleh faktor human error dan kondisi baterai sudah tidak layak pakai. Masalah ini juga dikarenakan pada kendaraan buggy tidak terdapat indikator kapasitas baterai sehingga saat buggy sudah melemah baru akan dilakukan pengisian baterai. Faktor ini menyebabkan kondisi baterai epat mengalami drop. Oleh sebab itu kami merancang alat yang dapat memonitoring kapasitas bateri buggy di The Ritz-Carlton Bali yang berbasis telegram sehingga memudahkan staff hotel dalam memantau kapasitas buggy kapan saja. Untuk memonitoring baterai buggy kami menggunakan sensor tegangan dan ISP8266 yang berbasis telegram. Sistem kerja alat untuk memonitoring kapasitas baterai buggy ini yakni pada saat kapasitas baterai di bawah 30% maka akan muncul notifikasi di telegram kapasitas baterai buggy dan tegangan baterai, sehingga dapat segera di charge  dan mengurangi masalah buggy mogok. Kapasitas baterai juga dapat dimonitoring lewat aplikasi telegram kapan saja, dengan demikian untuk transportasi tamu di hotel tidak mengaami kemdala dan dapat menjaga bahkan meningkatkan mutu pelayanan terhadap tamu.
Air Conditioner (AC) Operation Using the Internet of Things I Nyoman Sukarma; Beauregard Anakottapary; I Gede Ketut Sri Budarsa; I Ketut Parti
Jurnal Penelitian Pendidikan IPA Vol 11 No 4 (2025): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i4.10943

Abstract

Create an Internet of Things-based Air Conditioner operating system to make it easier to operate the AC. This research examines whether the system designed can transmit IR Code via IR Transmitter to AC if the device is placed at different distances. The steps to make it happen are to follow the stages of the prototyping method, which consist of gathering requirements, developing prototypes, and testing prototypes. The hardware circuit built consists of the Node MCU ESP8266, DHT 11 sensor, Infra-Red, software consisting of Arduino IDE, and blynk. By placing the NodeMCU ESP 8266 in positions with different distances, the tool can send IR Code data via the IR Transmitter to the AC, buttons on the blynk application have been made and can work according to their functions. The test was carried out with 4 different location positions, namely position 1 with a distance of 1 meter, position 2 with a distance of 3 meters, position 3 with a distance of 2 meters, and position 4 with a distance of 4 meters. From 4 test location positions with sufficient category signals to very good categories, microcontrollers can be connected to the blynk application on smartphone users. The Blynk application can function according to the commands made, the IR code can be sent through the IR transmitter to the air conditioner (AC). The DHT 11 sensor successfully measures the temperature and humidity of the air. Hopefully, in the future, the development of this tool into a multi-controller capable control not only AC but also other electronic devices.
Co-Authors Anak Agung Ngurah Gde Sapteka Anak Agung Ngurah Made Narottama Beauregard Anakottapary Dewa Gede Wahyu Kharisma I Gede Ketut Sri Budarsa I Gusti Ngurah Wirahadi Wijaya I Ketut Ta I Made Purbawa I Made Purbhawa I Made Sumertayasa I Nyoman Sukarma I Wayan Dimas Ariawan I Wayan Jondra I Wayan Raka Ardana I Wayan Suwardana Ida Bagus Putu Yogi Pramana Putra Kadek Amerta Yasa Lalu Febrian Wiranata Made Bagus Astika Yasa Made Dwika Ardiawan Mudiana, I Nyoman Ni Made Wendi Apriani Ni Putu Indah Permata Sari Ni Wayan Rasmini Putri Alit Widyastuti Santiary Sabril Prajudith Pangestu Suratno