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All Journal ELKHA : Jurnal Teknik Elektro ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika
MULYANTO, WIDODO PUDJI
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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Perancangan Prototype Zelio Smart Relay pada Modifikasi PLTS On Grid untuk Kontinuitas Suplai Daya di Kampus II ITN Malang SULISTIAWATI, IRRINE BUDI; MULYANTO, WIDODO PUDJI; MATURBONG, RIRIN KATARINA; PRIYANTO, SUGENG
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 12, No 1: Published January 2024
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v12i1.50

Abstract

ABSTRAKPenggunaan PV (Photovoltaics) sebagai Pembangkit Listrik Tenaga Surya (PLTS) banyak digunakan di Indonesia. Mode pengoperasian PLTS dikenal dengan on grid dan off grid dimana PLTS on grid adalah kondisi dimana sistem selalu terhubung dengan jaringan PLN, sedangkan PLTS off grid kondisi dimana sistem mampu beroperasi sendiri ketika jaringan PLN terputus. Penelitian ini melakukan pembuatan prototype dengan cara menambahkan smart relay Zelio sebagai perangkat utamanya, dan dengan menambahkan relay sebagai pengganti Motorized Molded Case Circuit Breaker (MCCB) hasil simulasi membuktikan grid tetap dalam kondisi bertegangan setelah 20 detik dari terputusnya suplai PLN. Kata kunci: motorized mccb, plc, pembangkit listrik tenaga surya ABSTRACTThe use of PV (Photovoltaics) as a Solar Power Plant (PLTS) is widely used in Indonesia. PLTS operating modes are known as on grid and off grid, where PLTS on grid is a condition where the system is always connected to the PLN network, while PLTS off grid is a condition where the system is able to operate itself when the PLN network is disconnected. This research made a prototype by adding a smart relay Zelio as the main device, and by adding a relay as a replacement for the Motorized Molded Case Circuit Breaker (MCCB), the simulation results proved that the grid fulfilled voltage after 20 seconds of the PLN supply disconnected.Keywords: motorized mccb, plc, solar power plant
Integration of Matlab and LabVIEW for the Simulation of an AVR in a 1.1 kVA Synchronous Generator Mulyanto, Widodo Pudji; Leci, Geraldi; Sulistiawati, Irrine Budi
ELKHA : Jurnal Teknik Elektro Vol. 17 No.2 October 2025
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/elkha.v17i2.97417

Abstract

Automatic Voltage Regulator (AVR) in the system functions to regulate and stabilize the output voltage of the synchronous generator to remain constant, even in the event of load changes or system conditions. This research uses a software-based approach by integrating LabVIEW data acquisition to measure the actual input and output voltages of the generator and to create the transfer function along with its simulation using Matlab. The Automatic Voltage Regulator used is designed for a 1.1 kVA synchronous generator, Delorenzo DL 1026A. Simulation in Simulink is performed to analyze the system response towards changes in the load using PID as the controller. With the auto-tuned values of Kp = 1.815, Ki = 288.290, and Kd = 0, the system maintained voltage stability under disturbances of 0.1 pu, 0.25 pu, and 0.5 pu. The developed AVR was able to respond to load changes quickly and maintain the stability of the generator"™s output voltage by showing relatively small steady-state error indicated with steady state conditions for 0.00018 pu, 0.00024 pu, and 0.00033 pu in every load change. This phenomenon proves the PID controller resulting from the proposed method is capable of maintaining the voltage magnitude according to the load changes that occur. This research is expected to serve as a basis development of a more reliable and adaptive voltage control system for small-scale generators.
Co-Authors Irrine Budi Sulistiawati Leci, Geraldi MATURBONG, RIRIN KATARINA Sugeng Priyanto, Sugeng