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All Journal AJAD : Jurnal Pengabdian kepada Masyarakat ELPOSYS: Jurnal Sistem Kelistrikan
Andri Suyadi
Politeknik Negeri Sriwijaya
Humanities Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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Trainer Kit Tegangan Langkah Berbasis Arus Gangguan sebagai Media Pembelajaran Sistem Pembumian Anton Firmansyah; Andri Suyadi; Indah Susanti; Muhammad Noer; Siti Khofifah; Nabila Shada
Elposys: Jurnal Sistem Kelistrikan Vol. 13 No. 2 (2026): ELPOSYS VOL. 13 NO.2 (2026)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v13i2.9532

Abstract

Human safety and electrical equipment reliability in power installations are strongly influenced by step voltage generated by fault currents flowing into the ground. The resulting ground potential distribution, which depends on fault current magnitude, grounding system characteristics, soil resistivity, and distance from the fault point, determines the level of electrical hazard to humans. This study aims to design, develop, and evaluate a step voltage trainer kit based on fault current injection as a practical learning media for understanding grounding system behavior and electrical safety principles. The research methodology involved field measurement of grounding electrode resistance, calculation of soil resistivity, design and fabrication of the trainer kit, and experimental testing under various fault current levels and measurement distances, both with and without a grounding system. Experimental results indicate that step voltage reaches its maximum value at locations closest to the fault point and decreases significantly with increasing distance, while the measured fault current remains relatively stable across different distances. The application of a low-resistance grounding system effectively reduces step voltage and flattens the ground potential gradient, thereby mitigating electrical hazard risks. The integration of field-based grounding resistance data into the soil simulator enables the trainer kit to realistically represent actual installation conditions. These findings demonstrate that the developed step voltage trainer kit provides a reliable, empirical, and safe educational platform for visualizing the relationship between fault current, soil resistivity, grounding systems, and step voltage hazards in electrical power installations.
Pelatihan dan Implementasi Sistem Kendali Otomatis pada Pompa Air Tenaga Surya untuk Meningkatkan Efisiensi Irigasi Sawah di Desa Ulak Depati Andri Suyadi; Nurhaida Nurhaida; Dyah Utari Yusa Wardhani; Khafiz Abto Puqoha
AJAD : Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 3 (2026): DECEMBER 2026
Publisher : Divisi Riset, Lembaga Mitra Solusi Teknologi Informasi (L-MSTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59431/ajad.v6i3.1049

Abstract

Limited water availability during the dry season and reliance on diesel-powered pumps remain major obstacles to rice field irrigation in Ulak Depati Village, as diesel pumps require high operating costs and inefficient manual operation. This community engagement activity aims to design and implement an Arduino-based, solar-powered automatic water pump system that operates according to soil moisture conditions, as well as to improve the partner farmer group's knowledge and skills in operating and maintaining the system. The system consists of solar panels, a solar charge controller (SCC), a battery, an Arduino Uno, a soil moisture sensor, a relay module, a solid-state relay (SSR), and a DC water pump. The implementation stages included socialization, field surveys, system design and assembly, field installation and testing, and training and mentoring for the farmer group. The results showed that the Arduino Uno successfully processed sensor data to control the pump automatically, turning the pump on when the sensor value exceeded 450 and stopping it at values of 450 or below. Field testing delivered 2,513.60 liters of water with a water level of 4.7 cm over 246 minutes, while the training evaluation involving 15 participants achieved an average satisfaction rate of 93%. These findings indicate that the program effectively supports automatic solar-powered rice field irrigation and enhances the farmers' capacity to manage appropriate technology independently
Co-Authors Dyah Utari Yusa Wardhani Firmansyah, Anton Indah Susanti Khafiz Abto Puqoha Muhammad Noer Nabila Shada Nurhaida Nurhaida Siti Khofifah