A DC Microgrid System for Powering Remote Areas

Tri Ardriani, Pekik Argo Dahono, Arwindra Rizqiawan, Erna Garnia, Pungky Dwi Sastya, Ahmad Husnan Arofat and Muhammad Ridwan
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Tri Ardriani: Institut Teknologi Bandung, School of Electrical Engineering and Informatics, Jl. Ganesha 10, Bandung 40111, Indonesia
Pekik Argo Dahono: Institut Teknologi Bandung, School of Electrical Engineering and Informatics, Jl. Ganesha 10, Bandung 40111, Indonesia
Arwindra Rizqiawan: Institut Teknologi Bandung, School of Electrical Engineering and Informatics, Jl. Ganesha 10, Bandung 40111, Indonesia
Erna Garnia: Faculty of Economics, Universitas Sangga Buana, Jl. PHH Mustofa (Suci) 68, Bandung 40111, Indonesia
Pungky Dwi Sastya: Technology Development Division, PT. Len Industri (Persero), Jl. Soekarno-Hatta 442, Bandung 40111, Indonesia
Ahmad Husnan Arofat: Technology Development Division, PT. Len Industri (Persero), Jl. Soekarno-Hatta 442, Bandung 40111, Indonesia
Muhammad Ridwan: Technology Development Division, PT. Len Industri (Persero), Jl. Soekarno-Hatta 442, Bandung 40111, Indonesia

Energies, 2021, vol. 14, issue 2, 1-15

Abstract: DC microgrid has been gaining popularity as solution as a more efficient and simpler power system especially for remote areas, where the main grid has yet to be built. This paper proposes a DC microgrid system based on renewable energy sources that employs decentralized control and without communication between one grid point and another. It can be deployed as an individual isolated unit or to form an expandable DC microgrid through DC bus for better reliability and efficiency. The key element of the proposed system is the power conditioner system (PCS) that works as an interface between energy sources, storage system, and load. PCS consists of modular power electronics devices and a power management unit, which controls power delivery to the AC load and the grid as well as the storage system charging and discharging sequence. Prototypes with 3 kWp solar PV and 13.8 kWh energy storage were developed and adopt a pole-mounted structure for ease of transportation and installation that are important in remote areas. This paper presents measurement results under several conditions of the developed prototypes. The evaluation shows promising results and a solid basis for electrification in remote areas.

Keywords: DC microgrid; power conditioner system; renewable energy; scalable microgrid (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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