Performance Evaluation of Firman FPG1500ECII Generator Set after Maintenance and Overhaul with Various Gasoline Fuels
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Generator sets are widely used as a backup power source for household and small industrial applications. The reliability of a generator set is strongly influenced by the condition of its engine components and the maintenance quality. This study aims to evaluate the performance of a Firman FPG1500ECII generator set after maintenance and overhaul using three different gasoline fuels, namely Pertalite, Pertamax 92, and Pertamax Turbo. The research stages consisted of visual inspection, failure identification, maintenance and overhaul processes, and performance testing under a constant load of 540 W. The performance parameters investigated included electrical power output, fuel mass flow rate, Specific Fuel Consumption (SFC), electrical efficiency, and Brake Thermal Efficiency (BTE). Initial inspection results revealed failures in the piston ring, connecting rod bearing, and main bearing, as well as carbon deposits in the combustion chamber and valve system, causing the generator set to fail completely. After maintenance and overhaul, the generator set was successfully restored and subjected to performance testing. The results indicated that fuel type significantly affected generator performance. Pertamax Turbo exhibited the best performance with a fuel mass flow rate of 0.2751 kg/h, SFC of 1.557 kg/kWh, electrical efficiency of 5.18%, and BTE of 76.55%. In contrast, Pertalite showed the highest fuel consumption with a fuel mass flow rate of 0.4155 kg/h, SFC of 2.405 kg/kWh, electrical efficiency of 3.36%, and BTE of 50.68%. The findings demonstrate that maintenance and overhaul successfully restored the operational performance of the generator set, while higher-octane fuels improved combustion efficiency and overall generator performance after maintenance.
Contribution to Sustainable Development Goals (SDGs):
SDG 7: Affordable and Clean Energy
SDG 9: Industry, Innovation and Infrastructure
SDG 12: Responsible Consumption and Production
SDG 13: Climate Action
[1] R. P. Bahari, K. M. Banjarnahor, I. Putra, and N. Hariyanto, “Estimating Value of Lost Load for Business and Industrial Customers in Indonesia Using Stated Preferences Methods,” in 2024 6th International Conference on Power Engineering and Renewable Energy (ICPERE), 2024, pp. 1–6. doi: 10.1109/icpere63447.2024.10845609.
[2] H. M. Ardi, M. M. Fahmi, N. Fajri, and Y. A. Wiraputra, “Overhaul dan Uji Performansi Generator Firman,” J. Mekanova, vol. 12, no. 1, 2026.
[3] S. S. S. P. Hadi., “Electricity Demand and Supply Planning Analysis for Sumatera Interconnection System using Integrated Resources Planning Approach,” J. Ilm. Tek. Elektro Komput. dan Inform., vol. 5, no. 1, pp. 16–25, 2025, doi: 10.26555/jiteki.v5i1.13178.
[4] R. L. S. Ira Destiana Pasaribu, “Analisis Pengaruh Pemadaman Listrik Secara Berkala Serta Penggunaan Genset Terhadap Kegiatan Usaha Mikro Di Kecamatam Medan Baru,” J. Ekon. dan Keuang., pp. 500–512, 2014.
[5] A. Akasah, R. A. Prahmana, T. Meurah, I. Riayatsyah, L. Putri, and M. Syaukani, “Uji Performa Motor Diesel Satu Silinder Generator Set Menggunakan Campuran Bahan Bakar Crude Palm Oil-Dexlite Dengan Penambahan Bioaditif Alami,” J. Ilm. Tek. MESIN, vol. 05, no. 04, pp. 47–55, 2024.
[6] R. Antema, S. Samsuddin, and I. Zein, “Analisa Perawatan Mesin Genset pada Perusahaan Penyedia Layanan Telekomunikasi dengan Menggunakan Metode RCM,” Juni, vol. 2, no. 2, pp. 1–7, 2022.
[7] M. Mol, W. Ding, and V. Sunderam, “From Corrective to Predictive Maintenance — A Review of Maintenance Approaches for the Power Industry,” Sensors, vol. 23, 2023.
[8] B. M. Kartiko, T. C. Kusuma, and Y. C. Silaen, “Preventive Maintenance of Diesel Power Generators in Indonesia ’ s Manufacturing Industries,” in Proceedings of the International Conference on Industrial Engineering and Operations Management Istanbul, 2022, pp. 594–605.
[9] V. S. Permatasari, K. Indriawati, and D. A. Ferdiansyah, “Health Indicator of Diesel Generator to Support Predictive Maintenance Strategy on Railway,” in 2024 IEEE International Conference on Internet of Things and Intelligence Systems (IoTaIS), 2024, pp. 118–122. doi: 10.1109/IoTaIS64014.2024.10799476.
[10] H. Syadli, P. B. Abdullah, M. Y. Hassan, and F. Hussin, “Demand Side Management for Reducing Rolling Blackouts Due to Power Supply Deficit in Sumatra,” 2014. [Online]. Available: https://api.semanticscholar.org/CorpusID:55084492
[11] R. K. Mobley, An introduction to predictive maintenance. 2002.
[12] A. John et al., “Experimental evaluation of the significance of scheduled turbocharger reconditioning on marine diesel engine efficiency and exhaust gas emissions,” Ain Shams Eng. J., vol. 15, no. 8, p. 102845, 2024, doi: 10.1016/j.asej.2024.102845.
[13] W. Arso and A. Domodite, “Analisis Kerusakan Main Bearing pada Unit Generator Mitsubishi BMGS Analysis of Damage to Main Bearings in Unit of BMGS Mitsubishi Generator,” J. Mech. Eng. Manuf. Mater. ENERGY, vol. 5, no. 2, pp. 151–160, 2021, doi: 10.31289/jmemme.v5i2.4926.
[14] A. Gajendra et al., “An Industry 4 . 0 implementation of a condition monitoring system and IoT-enabled predictive maintenance scheme for diesel generators,” Alexandria Eng. J., vol. 76, pp. 525–541, 2023, doi: 10.1016/j.aej.2023.06.026.
[15] E. Ashigwuike, “Development of a Predictive Maintenance Algorithm for a Diesel Generator using Machine Learning,” Int. J. Innov. Sci. Res. Technol., vol. 10, no. 3, pp. 1417–1427, 2025.
[16] A. Tripathi and M. H. Prasad, “RCM based optimization of maintenance strategies for marine diesel engine using genetic algorithms,” Int. J. Syst. Assur. Eng. Manag., vol. 15, no. 8, pp. 3757–3775, 2024, doi: 10.1007/s13198-024-02374-z.
[17] J. Zhang, S. Wang, Z. Wang, Z. Xie, and Y. Chang, “Investigation of intake and exhaust performance in heavy-duty diesel engines with variable Miller cycle,” Appl. Therm. Eng., vol. 265, p. 125547, 2025, doi: https://doi.org/10.1016/j.applthermaleng.2025.125547.
[18] D. R. Pamungkas, W. . Bhirawa, and B. Arianto, “Analisa Performansi Pemeliharaan Generator Set (Genset) dengan Metode TPM (Total Productive Maintanance) untuk Meningkatkan Kerja di PT. Lativi Media Karya,” J. Teknol. dan Manaj. Ind. Ter. Ind., vol. 8, no. 1, p. 5, 2019, [Online]. Available: https://journal.universitassuryadarma.ac.id/index.php/jtin/article/view/803
[19] A. M. Cahya Negara, I. Sigit Atmanto, J. Mrihardjono, S. V. Rekayasa, and P. Mekanik, “Uji Performa Mesin Menggunakan Bahan Bakar Pertamax Dan Pertamax Turbo Pada Mesin 4 Langkah,” J. Mekanova Mek. Inov. dan Teknol., vol. 9, no. 1, 2023.
[20] R. Djafar and A. S. Ginting, “Uji Kinerja Mesin Diesel Generator Menggunakan Bahan Bakar Mode Sistem Dual Fuel Solar Dan Syngas Hasil Gasifikasi Dari Tongkol Jagung,” J. Technopreneur, vol. 7, no. 2, pp. 92–98, 2019, doi: 10.30869/jtech.v7i2.388.
[21] M. T. P. Teguh Sulistyo, Asep Saepuloh, Yuyut Suraniyanto, “PERAWATAN SEMI OVERHAUL GENSET BRV20 RSG-GAS AKIBAT KEBOCORAN SISTEM PENDINGIN,” Pros. Semin. Nas. Teknol. dan Apl. Reakt. Nukl., pp. 103–111, 2016.
[22] I. Haryono, H. Gunawan, and M. Nurfatah, “Evaluasi Unjuk Kerja Genset Pasca Perawatan Gd. 21,” reposiding Hasil-Hasil Penelit. EBN Tahun 2018, pp. 251–258, 2018.
[23] D. H. Qi, H. Chen, R. D. Matthews, and Y. Z. Bian, “Combustion and emission characteristics of ethanol-biodiesel-water micro-emulsions used in a direct injection compression ignition engine,” Fuel, vol. 89, no. 5, pp. 958–964, 2010, doi: 10.1016/j.fuel.2009.06.029.
[24] Z. Ling et al., “Impact of octane numbers on combustion performance and driving cycle fuel consumption of turbocharged direct-injection spark-ignition engine,” Fuel, vol. 374, no. April, p. 132287, 2024, doi: 10.1016/j.fuel.2024.132287.
[25] M. Fatih and M. D. Idris, “Analisis Efi siensi Generator Set G8 di Unit Pembangkit dan Distribusi Listrik PPSDM Migas,” Maj. Ilm. Swara Patra, vol. 14, no. 2, pp. 115–130, 2024.
[26] W. J. Lee et al., “Assessment of energy performance and air pollutant emissions in a diesel engine generator fueled with water-containing ethanol-biodiesel-diesel blend of fuels,” Energy, vol. 36, no. 9, pp. 5591–5599, 2011, doi: 10.1016/j.energy.2011.07.012.
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