Garuda - Garba Rujukan Digital

Pengembangan Sistem Kelistrikan Tanah Merah Mempertimbangkan Energi Baru Terbarukan dan Emisi CO2 Amrisal Kamal Fajri; Sarjiya; Lesnanto Multa Putranto; Adlan Bagus Pradana; Fransisco Danang Wijaya
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 12 No 3: Agustus 2023
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jnteti.v12i3.5254

The condition of the electricity system in the Papua region still has an electrification ratio of 94% with a high electricity generation cost of IDR3,041/kWh. In addition, the existing electricity system still consists of over 100 small systems, the majority of which are diesel power plants. One of the systems is the Tanah Merah area, with a population of 19,136 people and an energy demand of 6.89 GWh. The region is projected to experience expansion and population growth, resulting in a corresponding rise in the demand for electrical energy. Therefore, planning for the development of power plant systems needs to be done to meet the growing demand for electrical energy. Planning in remote areas is typically done for a short-term timeframe spanning from 2025 to 2030, involving the optimization process of several proposed power plant candidates. The proposed candidate power plants consider gas and fuel supply, as well as the availability of local primary energy and technology. Optimization will minimize the total cost of the to-be-selected power plant, which has features including initial investment costs, ongoing operation and maintenance costs, fuel expenses, and the residual value of the assets throughout the planned duration. In planning, a greenhouse gas emission reduction of 29% and an energy mix proportion of 23% need to be considered in accordance with government policy. Therefore, two scenarios covering both economic and environmental aspects were considered in the simulation process, namely the business as usual (BaU) scenario and the nationally determined contributions (NDC) scenario for emission limitation. Optimization was developed based on mixed-integer linear programming (MILP) performed in HOMER software. The simulation results indicate that the electricity generation cost for the BaU scenario is more economical compared to the NDC scenario at IDR2,559.8/kWh versus IDR3,104.64/kWh.

Analisis Faktor Kapasitas Pembangkit Listrik Hibrida PLTB dengan PLTD di Pulau Terpencil: Studi Kasus Elat Pulau Serau Maluku WIJAYA, FRANSISCO DANANG; ADIYASA, I WAYAN; WINATA, EKRAR
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 9, No 4: Published October 2021
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v9i4.746

ABSTRAKRasio elektrifikasi di Indonesia belum mencapai 100%, penyebabnya antara lain masalah lokasi di daerah terpencil atau kepulauan dan mahalnya biaya operasi PLTD. Salah satu solusi adalah membangkitkan listrik berbasis energi terbarukan setempat. Tahap awal pemanfaatan energi terbarukan perlu dihitung faktor kapasitas (CF). Tujuan penelitian ini menganalisis CF untuk PLTB dengan metode perhitungan analitik berbasis potensi energi angin, spesifikasi teknologi PLTB dan PLTD, profil beban dan energi listrik yang dapat diproduksi untuk pengembangan sistem hibrida dengan mengambil kasus di Elat Pulau Serau Maluku. Hasil perhitungan CF untuk 5 teknologi PLTB yang berbeda dengan variasi ketinggian di Elat telah diverifikasi dengan simulasi menggunakan perangkat lunak HOMER dengan nilai rerata galat -0,030. Semakin tinggi PLTB, nilai CF semakin besarÂ dengan konstanta 0,0030.Kata kunci: elektrifikasi, faktor kapasitas, PLTB, PLTD, sistem hibridaÂ ABSTRACTThe electrification ratio in Indonesia has not reached 100%, the causes include problems with the location in remote areas or islands and the high operating costs of diesel power plant (DPP). One solution is to generate electricity based on local renewable energy. The initial stage of utilizing renewable energy needs to calculate the capacity factor (CF). The purpose of this research is to analyze CF for wind turbine generator (WTG) with analytical calculation methods based on wind energy potential, technology specifications of WTG and DPP, load profiles and electrical energy that can be produced for hybrid system development by taking the case in Elat Serau Island, Maluku. The results of CF calculations for 5 different WTG technologies with altitude variations in Elat have been verified by simulation using HOMER software with a mean error value of -0.030. The higher the WTG, the greater the CF value with a constant of 0.0030.Keywords: electrification, capacity factor, diesel power plant, wind turbine generator, hybrid system

Evaluasi Kinerja PLTS On-Grid 600 kWp pada Jaringan Distribusi Gili Trawangan Rifky Irawan; Fransisco Danang Wijaya; Adha Imam Cahyadi
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 13 No 2: Mei 2024
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jnteti.v13i2.6495

Indonesia is one of the countries that remains reliant on the utilization of fossil energy. The increasing demand for fossil energy is causing a decrease in the availability of fossil energy, consequently leading to an increase in fossil fuel prices. Therefore, one of the efforts that can be undertaken involves establishing new renewable energy (NRE) plants to diminish reliance on the use of fossil-fueled plants. One of the NRE plants built by the government is the 600 kWp Gili Trawangan On-Grid solar power plant. After ten years of operation, an evaluation of the 600 kWp Gili Trawangan On-Grid solar plant is necessary to assess its performance in meeting electricity load requirements. The power and electrical energy generated by a solar power plant can be evaluated by comparing its current power and energy production with the potential power and energy that should be generated. To determine the current power and energy production generated by the solar power plant, the measurement results from the PLN. Additionally, to ascertain the potential power and energy that the solar power plant should be capable of producing at this time, simulation results from Homer software were employed. The results demonstrate that the power and energy measured by PLN are lower than the potential power and energy that should be achievable using Homer software for solar power plants. According to PLN measurement, the average power production and energy were 196.72 kW and 765.92 kWh, respectively. Meanwhile, based on the simulation results were 207.10 kW and 840.39 kWh.

Modulasi Single-Phase Shift Untuk Konverter DAB Pada Simulasi Typhoon HIL Yohan Fajar Sidik; F. Danang Wijaya; Roni Irnawan; Muhammad Ridwan; Kevin Gausultan; Sriyono
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 13 No 1: Februari 2024
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jnteti.v13i1.6876

Solid-state transformer (SST) could be a solution for a future distribution system, in which many renewable energy sources (RES) are integrated. The SST consists of a single-phase dual-active bridge (DAB) converter, which is scale-down the dc voltage level. The control objective of the DAB converter used in the SST is to control its output voltage. This control strategy consists of a proportional-integral (PI) controller and a single-phase shift (SPS) modulation. Numerous literatures have mentioned about the SPS modulation for the DAB converter. However, they do not provide procedures in implementing the SPS modulation in the real controller. This paper aims to develop the SPS modulation in the real controller of the STM32F446RE microcontroller. The proposed SPS modulation is based on a master-slave timer feature, which is available in the STM32 microcontroller. The development process and testing of the complete control strategy of the DAB converter were carried out in the hardware-in-the-loop (HIL) simulation using Typhoon HIL. This scheme speeds up the development of process and reduces the costs. The experiment in the HIL environment shows that proposed control strategy of the DAB converter consisting of the PI controller and the SPS modulation is successfully implemented in the real microcontroller of the STM32F446RE. The proposed control strategy of the DAB converter is capable of bidirectional power flow, which is useful for integrating distributed generators in the load side. Moreover, this control strategy can reject the disturbance caused by loads.

Virtual Inertia Control Topology Addressing Indonesia’s Low-Inertia Renewable Grid Resilience Challenge F. Danang Wijaya; Fikri Waskito; Eka Firmansyah; Juan C. Vasques
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 14 No 4: November 2025
Publisher : This journal is published by the Department of Electrical and Information Engineering, Faculty of Engineering, Universitas Gadjah Mada.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jnteti.v14i4.25234

The increasing penetration of renewable energy sources in Indonesia, particularly photovoltaic (PV) systems, into electric power grids has led to a reduction in system inertia, potentially compromising frequency stability during disturbances. This paper proposes a virtual inertia control method for single-phase rooftop PV inverters to enhance frequency response in low-inertia microgrids. A single-phase synchronverter model based on the swing equation was developed and tested on the IEEE 13-bus system. Three scenarios were evaluated: a solar-only microgrid, a wind-integrated microgrid, and a microgrid combining renewable sources with a synchronous generator. Simulation results demonstrated that the proposed virtual inertia method improved frequency and voltage stability, closely mimicking the response of traditional synchronous generators. Within the first 10 s following a disturbance, the system failed to restore its frequency to the nominal value due to insufficient inertia in the inertial response time range. This indicates that the initial 10 s are a critical period for frequency recovery. The poorest frequency response was observed in scenario 1 (solar-only configuration), where system inertia was the lowest among the three scenarios, while the hybrid configuration with a synchronous generator (scenario 3) provided the most stable and robust frequency performance. The findings support the recommendation to implement policies requiring rooftop PV systems to incorporate virtual inertia functionalities, ensuring greater system resilience as renewable energy penetration increases.

Virtual Inertia Control Topology Addressing Indonesia’s Low-Inertia Renewable Grid Resilience Challenge F. Danang Wijaya; Fikri Waskito; Eka Firmansyah; Juan C. Vasques
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 14 No 4: November 2025
Publisher : This journal is published by the Department of Electrical and Information Engineering, Faculty of Engineering, Universitas Gadjah Mada.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jnteti.v14i4.25234

The increasing penetration of renewable energy sources in Indonesia, particularly photovoltaic (PV) systems, into electric power grids has led to a reduction in system inertia, potentially compromising frequency stability during disturbances. This paper proposes a virtual inertia control method for single-phase rooftop PV inverters to enhance frequency response in low-inertia microgrids. A single-phase synchronverter model based on the swing equation was developed and tested on the IEEE 13-bus system. Three scenarios were evaluated: a solar-only microgrid, a wind-integrated microgrid, and a microgrid combining renewable sources with a synchronous generator. Simulation results demonstrated that the proposed virtual inertia method improved frequency and voltage stability, closely mimicking the response of traditional synchronous generators. Within the first 10 s following a disturbance, the system failed to restore its frequency to the nominal value due to insufficient inertia in the inertial response time range. This indicates that the initial 10 s are a critical period for frequency recovery. The poorest frequency response was observed in scenario 1 (solar-only configuration), where system inertia was the lowest among the three scenarios, while the hybrid configuration with a synchronous generator (scenario 3) provided the most stable and robust frequency performance. The findings support the recommendation to implement policies requiring rooftop PV systems to incorporate virtual inertia functionalities, ensuring greater system resilience as renewable energy penetration increases.

ANALISIS PROFIL VARIASI TEGANGAN DAN KEANDALAN LISTRIK JARINGAN TEGANGAN RENDAH PLN SEMARANG SELATAN BERBASIS DATA-LOGGER Agus Adiwismono; F. Danang Wijaya; T. Tiyono
TEKNIK Vol 35, No 2 (2014)
Publisher : Diponegoro University

Pengukuran kualitas dan perhitungan keandalan listrik sampai saat ini masih diperoleh dari data secara manual. Diperlukan alat data-logger yang dapat merekam nilai tegangan (indikator kualitas), dan merekam lama-waktu-padam dan berapa-kali-padam (indikator keandalan) secara realtime, sehingga diperoleh data yang akurat, yang akan meningkatkan mutu dan pelayanan listrik dengan lebih efektif dan efisien. Berbasis data logger maka analisis profil variasi tegangan dapat langsung diketahui yaitu dalam bentuk gambar gelombang (profil) variasi tegangan, demikian pula analisis SAIDI dan SAIFI dapat langsung dilakukan, yaitu dari hasil rekam data selama pengukuran lalu dihitung dengan rumus. Hasil penelitian pada penyulang jaringan tegangan rendah (JTR) SRL01, variasi tegangan yang terjadi adalah: di pangkal penyulang Vmaks = 220 volt, Vmin = 199 volt, dan di tengah penyulang Vmaks = 221 volt, Vmin = 206 volt, dan di ujung penyulang Vmaks = 221 volt, Vmin = 200 volt; dibandingkan terhadap standar variasi Vmaks = 230 volt dan Vmin = 197 volt, maka variasi tegangan yang terjadi sesuai standar. Dari perhitungan, angka lama padam (SAIDI) di sisi JTR penyulang SRL01 0,85 jam/pelanggan/bulan (belum memenuhi standar) dan angka kali padam (SAIFI) 1,05 kali/pelanggan/bulan (sudah memenuhi standar).[The Analysis of Voltage Variation Profile And Electrical Reliability of The Low Voltage Network Using Data-Logger In PLN of South Semarang] Manual measurement applied to the measurement of electricity quality and reliability has resulted in less accurate data. Data logger which records voltage value (quality indicator) and records the realtime duration and frequency of blackouts (reliability indicator) is needed to achieve accurate data, and improve the quality and services effectively and efficiently. By using the data logger the analysis of varied voltage profiles can directly be collected in the form of voltage wave (profiles), and therefore the analysis of SAIDI and SAIFI can be implemented. In the SRL01 low voltage (JTR) feeder, the form of the voltage shows : Vmax = 220 volt and Vmin = 199 volt in starting point feeder, Vmax = 221 volt and Vmin = 206 volt in the middle feeder, Vmax = 221 volt and Vmin = 220 volt in the end point feeder. Compared to the consideration standard, which shows Vmax = 230 volt and Vmin = 197 volt, the result is appropriate. Based on the calculation interruption period quantity (SAIDI) in the side of JTR feeder SRL01 shows the number of 0,85 hour/customer/month (which means it’s still under the standard) and interruption frequency quantity (SAIFI) shows the number of 1,05 time/ customer/month (which means it meets a demand with the standard).Copyright (c) 2014 by Fakultas Teknik, Undip. All right reserved.

Title

Found 37 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 37 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 37 Documents
Search