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All Journal Jurnal Engine: Energi, Manufaktur, dan Material Jurnal Polimesin
Faisal Afif
Universitas Riau
Automotive Engineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Tinjauan Potensi dan Kebijakan Energi Surya di Indonesia Faisal Afif; Awaludin Martin
Jurnal Engine: Energi, Manufaktur, dan Material Vol 6, No 1 (2022)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v6i1.997

Abstract

The need for electrical energy in Indonesia is always increasing from year to year. The State Electricity Company in Indonesia (PLN), said that the national electricity demand in 2018 was 232,296 TWh and will increase 5.1% every year. However, energy sources are still dominated by coal and fossil fuels at 59.6%. The potential for renewable energy from solar energy is currently not widely used, even though the potential for renewable energy is very large, especially in Indonesia. This paper purpose to provide information about the potential of solar energy that can be utilized especially as a power plant and the policies and constraints of solar power plants in Indonesia. Indonesia has a fairly stable distribution of solar radiation throughout the year. The government has targeted the installed capacity of solar energy for power plant to reach 0.87 GW by 2025. Realization of Solar Power Plants (PLTS) in 2020 reached 0.15 GWp from the potential of solar energy in Indonesia of 207.8 GWp. Researchers, academics, and the government also continue to develop and innovate of solar energy technology in Indonesia and are expected to maximize the use of Renewable Energy. Some of the obstacles experienced are the high investment costs that must be incurred, causing the price of electricity produced from renewable energy to become uneconomical.
Design of photovoltaic/thermal (PV/T) with heat pipes as a heat transfer medium used for water heater Rahmat Iman Mainil; Afdhal Kurniawan Mainil; Azridjal Aziz; Faisal Afif
Jurnal POLIMESIN Vol 21, No 2 (2023): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i2.3298

Abstract

One of the main obstacles for developers and users of photovoltaic (PV) modules is that the module temperature is too high due to high solar radiation and a higher ambient temperature, which reduces PV efficiency. A photovoltaic/thermal (PV/T) system is a technique developed for absorbing heat, that combines PV with a solar thermal collector (STC). In this research, heat pipes are used as the heat transfer medium. This paper aims to design a PV/T system for water heating and examines the thermal performance and water temperature that can be achieved by PV/T. In designing PV/T, the method used is to estimate the intensity of solar radiation and determine the size of the thermal collector, thermal insulation, type of working fluid, and heat pipe filling ratio. The PV/T thermal performance is also tested after the system design has been built. The design parameters that have been obtained are the PV area of 0.67 m2 and the volume of heated water of 20 liters. This design proposes water as the working fluid of the heat pipe with a filling ratio of 10%. The system performance indicates that PV/T could heat the water to 50.9 °C with energy absorbed by the water of 1.85 MJ, and the maximum thermal efficiency of PV/T is 27.14%. The results show that PV/T has a very promising future in terms of its ability to use heat energy and can be further developed for future research so that it can encourage people to use environmentally friendly renewable energy
Co-Authors Afdhal Kurniawan Mainil Awaludin Martin Azridjal Aziz Rahmat Iman Mainil