Abstract
Balang lompo Island is supplied by Diesel Power Plant (DPP) and Solar Power Plant (SPP), in the operation of SPP it is considered not optimal due to the amount of solar panel capacity of 200 kWp while MPPT capacity of 120 kW and inverter capacity of 100 kVA, with these conditions the research was carried out with the aim of optimizing the generating system on Balang Lompo Island. The optimization of the generating system is conducted by simulation using Homer Legacy Beta software. By entering several important parameters such as technical, economic, and environmental factors therefore, the simulation results obtained in the form of the most optimal system operating patterns represented by one of the smallest net present cost (NPC) parameters, and also the recommended operating hours between DPP and SPP. The research method employed are the preliminary study research, identification and formulation of problems, data collection, data processing using Homer Legacy v2.81 Beta software, and analysis of the simulation results. In this study there are two conditions are compared, the first condition is the existing condition with an MPPT capacity of 120 kW and an inverter capacity of 100 kVA and the second condition is the addition of MPPT capacity to 200 kW and an inverter capacity of 200 kVA. Based on the results, it can be concluded that with the addition of capacity in SPP equipment, namely MPPT capacity to 200 kW and inverter capacity to 200 kVA, it is proven to be able to save NPC costs, O&M costs, fuel costs, reduction in DPP operating hours and DPP fuel consumption. With an NPC value of US $ 3,362,929 (IDR. 48,957,520,382), with the implementation of this system the NPC cost savings could reach US $ 197,161 (IDR. 2,870,269,838) during the 25-year operating period, and savings in US fuel/HSD consumption costs $ 23,936 (IDR. 348,460,288) per year.
Highlights
Balang Lompo Island is one of the islands in Liukang Tupabbiring District, Pangkep Regency, South Sulawesi Province
The Balang Lompo Island electricity system is supplied by a Diesel Power Plant (DPP) which is managed with a capacity of 2 x 100 kW and a Solar Power Plant (SPP) with a capacity of 200 kWp
Simulation Strategy For the Hybrid Power Plant (HPP) system simulation strategy is divided into three stages of simulation: 1. The first system simulation is a simulation of the HPP system with the current conditions and is made closer to the actual electricity system of Lisdes Island Balang Lompo
Summary
Balang Lompo Island is one of the islands in Liukang Tupabbiring District, Pangkep Regency, South Sulawesi Province. Based on the operating costs of DPP by using fuel oil whose prices are getting higher, and the magnitude of the potential for renewable energy (solar) on Balang Lompo Island, allows it to be utilized as a Hybrid Power Plant (HPP) with SPP to reduce the operating costs of a DPP. In the Simulation of Hybrid Power Plants (HPP) many involve complex processes caused by several important and interrelated factors that must be considered such as technical, economic, and environmental factors [6]. System design needs to calculate lifecycle costs such as initial costs, operational and maintenance costs, equipment/component replacement costs, and so on. While environmental aspects that need to be included in design considerations include greenhouse gas emissions which include the type, amount, and carbon content of the fuel used
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