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All Journal KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) BEES: Bulletin of Electrical and Electronics Engineering
Novian Patria Uman Putra
Institut Teknologi Adhi Tama Surabaya, Surabaya
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering

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Sistem Kontrol Otomatis pH Air Pada Hidroponik NFT (Nutrient Film Technique) Untuk Tanaman Pakcoy Elfira Dyah Ekawati; Ilham Aji Shah Putro; Rahman Hakim Nasrulloh; Misbahul Munir; Novian Patria Uman Putra; Wahyu Setyo Pambudi
KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) Vol 6, No 1 (2022): Challenge and Opportunity For Z Generation in Metaverse Era
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/komik.v6i1.5678

Abstract

Hydroponics Nutrient Film Technique (NFT) is one of the solutions to plant vegetables in limited land. The method is by flowing water and provide nutritional intake for the plant and control pH level of water. The existing hydroponics system has not used a control system to keep the water pH stable. In order to keep the water pH at 7, a system was established using Arduino Uno and pH Analog DF Robot (SEN0169) pH Sensor. This sensor would read the water pH level as an initial input to determine the additional acid or alkaline solution. This also controlled nutrition solution needed by pakcoy vegetable with a PWM control system on wiper motor functioning as a pump to distribute the acid and alkaline nutrition. Whenever the water pH level was exceeding 8, the wiper motor would start working until the pH level decreased to 6-8, and the alkaline liquid would be added whenever the value of pH level was smaller than 6. To get a water pH at 6-8 would take 2-4 seconds. Keeping the water pH within 6-8 would produce well-grown vegetable, in accordance with the determined reference.
Analisa Koordinasi Proteksi Relay Jarak Dengan Software Digsilent Pada Gi Sukolilo Ke Gi Kenjeran Menggunakan Metode Fuzzy Misbahul Munir; Novian Patria Uman Putra; Wahyu Setyo Pambudi; Nasyith Hananur Rohiem; Ipung Nur Ifan
BEES: Bulletin of Electrical and Electronics Engineering Vol 3 No 1 (2022): July 2022
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bees.v3i1.3150

Abstract

The electromagnetic distance relay at the Sukolilo substation has been replaced with a digital relay equipped with a recloser. If there is a disturbance, the relay will trip and reconnect automatically. The setting values have changed as a result of this replacement. The purpose of this study was to determine the value of the distance relay setting at the Sukolilo substation using traditional calculations, which would then be implemented in a computer program developed by PLN Ltd. It also found out the results of calculations per zone included in the distance relay zone. This study employed a fuzzy method with digsilent software. The research data comprised data on SUTT installed at the Sukolilo substation, data on conductor relay settings at the Sukolilo substation, data on short circuit currents, and transformer ratios. The simulation results in this study indicated that the distance relay had a setting value that was not in accordance with the standard in the old setting of the Sukolilo substation zone 1 for protection (175.42%), while the calculation results showed that zone 1 protected 58.44%. The new impedance setting covered zone 1 = 0.338, zone 2 = 0.862, and zone 3 = 1.488, whereas the old impedance setting showed zone 1 = 0.1126, zone 2 = 0.2924, and zone 3 = 0.4128. The old setting time and the new setting showed a big difference in that the old setting time was 0.25 seconds with a range of 175.42% while the new setting time was 0.25 seconds with a range of 58.44%.
Co-Authors Elfira Dyah Ekawati Ilham Aji Shah Putro Ipung Nur Ifan Misbahul Munir Nasyith Hananur Rohiem Rahman Hakim Nasrulloh Wahyu Setyo Pambudi