Reliability improvement analysis on 20 kV distribution system using distributed generation injection based on renewable energy

摘要

Electrical energy obtained from state-owned electricity company is often can not fulfill the electrical energy required by the industry during peak load. Another problem that industry faced is the availability of electrical energy supply is not continuous. Solution to this problem, the industry needs another source of electrical energy so the availability of electrical energy can be achieved. This study presents the analysis of reliability improvement for 20 kV distribution system which connected to state-owned electricity company's Distributed Generation (DG) in Karawang Industrial Region. Analysis of this study is using DG with new and renewable energy sources, solar panel and batteries systems, it is aimed to increase the reliability of each load (industry) and determines the cost to build the DG. The reliability calculation is done by using DigSILENT software both before and after the DG installation. Calculation analysis of solar panel system's components is calculated using Microsoft Excel software. Followed by calculating Levelized Cost of Energy (LCOE) as a value indicating the cost required to generate power per kWh so we can determine the selling price per kWh by state-owned electricity company for the Industry in order to fulfill the DG development cost.