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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Rekayasa elektrika
Syukriyadin Syukriyadin
Syiah Kuala University
Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Sistem Proteksi Arus Bocor Menggunakan Earth Leakage Circuit Breaker Berbasis Arduino Syukriyadin Syukriyadin
Jurnal Rekayasa Elektrika Vol 12, No 3 (2016)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1299.959 KB) | DOI: 10.17529/jre.v12i3.5673

Abstract

Touching a live part of electrical equipment either intentionally or unintentionally can cause an electric shock. The touch can occur directly or indirectly and results in the flow of electric current through the human body to the ground. This electric current is known as the leakage current and can have fatal effects on the human body such as burns, cramps, faint and death. This paper aims to design a prototype protection model of the earth leakage circuit breaker device based on Arduino (ELCBA) to protect the human body from the electrical hazards. The performance of the ELCBA is investigated by detecting the earth leakage current to the grounding system (TN).  The prototype is designed and simulated by using Proteus software. Based on the response test carried out on the prototype, it can be concluded that the ELCBA can operate properly to disconnect the electric circuit if the leakage current is detected greater than or equal to 30 mA with a time delay of 15 ms and to reclose the circuit again after 5 minutes.
Sistem Proteksi Arus Bocor Menggunakan Earth Leakage Circuit Breaker Berbasis Arduino Syukriyadin Syukriyadin
Jurnal Rekayasa Elektrika Vol 12, No 3 (2016)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17529/jre.v12i3.5673

Abstract

Touching a live part of electrical equipment either intentionally or unintentionally can cause an electric shock. The touch can occur directly or indirectly and results in the flow of electric current through the human body to the ground. This electric current is known as the leakage current and can have fatal effects on the human body such as burns, cramps, faint and death. This paper aims to design a prototype protection model of the earth leakage circuit breaker device based on Arduino (ELCBA) to protect the human body from the electrical hazards. The performance of the ELCBA is investigated by detecting the earth leakage current to the grounding system (TN).  The prototype is designed and simulated by using Proteus software. Based on the response test carried out on the prototype, it can be concluded that the ELCBA can operate properly to disconnect the electric circuit if the leakage current is detected greater than or equal to 30 mA with a time delay of 15 ms and to reclose the circuit again after 5 minutes.
Artificial Lighting System Design with PWM Control for the Growth of Kangkung Microgreen Muhammad Fauzan; Syukriyadin Syukriyadin; Fahri Helta; Syahrizal Syahrizal; Alfisyahrin Alfisyahrin
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 4 (2024): December 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i4.1249-1261

Abstract

Microgreen plants such as lettuce, spinach, and kangkung can be cultivated indoors, with artificial lighting like Light Emitting Diodes (LEDs) replacing sunlight. This study compared the growth of kangkung microgreens under artificial lighting using Pulse Width Modulation (PWM) versus without PWM. Two sample trays, each containing 50 grams of kangkung seeds, were placed 50 cm below the light. The first tray used PWM lighting, starting with a 65% duty cycle at 8 a.m, increasing to 100% by 12 p.m, and decreasing back to 65% by 4 p.m. The second tray received constant lighting without PWM. Results showed that PWM improved power efficiency from 16.3 W without PWM to 13.36 W with PWM. Growth of kangkung microgreens improved with PWM, evidenced by better stem length, leaf count, wet weight, stem diameter, petiole length, and leaf width, although single root length with PWM (9.68 cm) was slightly shorter than without PWM (9.98 cm).Base on statistical t-test results showed that there was a significant difference in stem length between lighting treatments using the PWM method and without using the PWM method, with a significance level of 5%. The study successfully developed an automated lighting control system using PWM that enhances plant growth. Keywords: Artificial lighting, Indoor farming, Kangkung, Microgreen, Pulse wave modulation.
Co-Authors Alfisyahrin Alfisyahrin Fahri Helta Muhammad Fauzan Syahrizal Syahrizal