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All Journal Jurnal Pengabdian Masyarakat Bangsa Jurnal INFOTEL
Istiyo Winarno
Universitas Hang Tuah, Indonesia
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Analysis of voltage and frequency stability of electric power system network with photovoltaic-based generation penetration Rusilawati Rusilawati; Irfan Irfan; Gusti Eddy Wirapratama; Istiyo Winarno
JURNAL INFOTEL Vol 15 No 4 (2023): November 2023
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v15i4.1022

Abstract

The operation of Distributed Generation (DG) with renewable energy sources integrated with distribution networks through microgrids poses challenges in terms of operation and control. If this is left unchecked, it can have a negative impact on system security and reliability in terms of voltage and frequency stability that will be disrupted because of frequent variations in power production and loading levels. This study investigates voltage and frequency stability in microgrids because of the penetration of DG with photovoltaic (PV) renewable energy sources in the power system using the Virtual Synchronous Generator (VSG) control technique. The VSG is a control alteration that enhances the capabilities of the power system so that voltage and frequency stability can be preserved and improved. The VSG control method with additional damping controllers that increase inertia with additional virtual inertia is used to simulate the speed of restoration of voltage and frequency stability of the power system due to the penetration of PV-based power plants. The simulation results show that at the time of penetration of PV-based power plants in the power system, there is a momentary instability in voltage and frequency, but it is immediately dampened by VSG control and can be quickly restored so that the stability of voltage and frequency is maintained.
Optimalisasi Penyediaan Air Bersih melalui Penerapan Sistem Pompa Air Tenaga Surya pada Sekolah Berasrama Belly Yan Dewantara; Istiyo Winarno; Andi Yudianto
Jurnal Pengabdian Masyarakat Bangsa Vol. 4 No. 6 (2026): Agustus
Publisher : Amirul Bangun Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59837/jpmba.v4i6.4908

Abstract

Keterbatasan penyediaan air bersih akibat rendahnya kualitas pasokan listrik menjadi permasalahan utama yang dihadapi SMK Darul Ijtihad Sampang sebagai sekolah berasrama. Pompa air yang digunakan hanya dapat beroperasi secara optimal pada pagi hari ketika tegangan listrik PLN stabil, sehingga ketersediaan air tidak mampu memenuhi kebutuhan siswa sepanjang hari. Kegiatan pengabdian kepada masyarakat ini bertujuan mengoptimalkan penyediaan air bersih melalui penerapan sistem pompa air tenaga surya sebagai sumber energi alternatif yang lebih andal. Metode pelaksanaan menggunakan pendekatan partisipatif yang meliputi identifikasi permasalahan, perencanaan sistem, penerapan pompa air tenaga surya, pendampingan, monitoring, evaluasi, dan keberlanjutan program dengan melibatkan guru dan siswa sebagai mitra. Hasil kegiatan menunjukkan bahwa sistem pompa tenaga surya mampu meningkatkan waktu operasional pompa dari sekitar 3 jam menjadi 10–11 jam per hari, meningkatkan volume air menjadi lebih dari 6 m³ per hari, serta menyediakan air secara berkelanjutan dari pagi hingga sore hari. Penerapan teknologi ini juga mengurangi ketergantungan terhadap pasokan listrik PLN dan meningkatkan pemahaman warga sekolah mengenai pemanfaatan energi terbarukan. Program ini memberikan dampak positif terhadap kontinuitas penyediaan air bersih, mendukung aktivitas sanitasi siswa, serta menjadi model penerapan teknologi tepat guna yang berpotensi direplikasi pada sekolah berasrama dengan permasalahan serupa.
Co-Authors Andi Yudianto Belly Yan Dewantara Gusti Eddy Wirapratama Irfan Irfan Rusilawati Rusilawati