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All Journal Elektron Jurnal Ilmiah Jurnal Teknologi PROtek : Jurnal Ilmiah Teknik Elektro JTERA (Jurnal Teknologi Rekayasa) Jurnal Kartika Kimia Jurnal Teknik Infotekmesin Jurnal Abdimas Kartika Wijayakusuma Media Elektrik
Iskandar, Handoko Rusiana
Fakultas Teknik - Universitas Jenderal Achmad Yani
Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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The Green Campus Building's Rooftop Photovoltaic System Design Project Iskandar, Handoko Rusiana; Mardiansyah, Deri; Charisma, Atik; Taryana, Een; Bakti Zainal, Yuda
Infotekmesin Vol 15 No 1 (2024): Infotekmesin: Januari, 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i1.1945

Abstract

Universitas Jenderal Achmad Yani, whose major campus is in Cimahi City, is constructing a large-scale campus development, the size of which is directly proportionate to the quantity of energy consumed. This increase in electrical energy consumption can be minimized by utilizing environmentally friendly renewable energy sources to supply loads and reduce the use of existing energy from the grid (PT. PLN). This context supports a design proposal for the production of photovoltaic-based photovoltaic on the Universitas Jenderal Achmad Yani campus, particularly in two buildings with exceptional roof potential. In this paper, the modeling carried out aims to help supply renewable energy-based electrical energy. The design of PV on Grid Installation Engineering in Buildings at Universitas Jenderal Achmad Yani carried out in this paper includes PV placement layout, PV construction, and simulation using PVsyst. The rooftop-type grid-connected PV is modeled in the Faculty of Health Sciences and Technology (FHST) Building and the Rectorate Building, which are composed of PV panels, inverters, and other supporting components. Grid PV design and simulation modeling on the roofs of FITKES and Rectorate Buildings resulted in a total installable PV capacity of 420 kWp, an annual average Performance Ratio of 80.6%, and an average potential energy output of 702 MWh/year. This energy potential is undoubtedly proposed to fulfill future electricity needs.
Evaluation of Ethyl Acetate Saponification Reaction: Comparison of the Accuracy of Conductometric and Titrimetric Methods Hendriyana, Hendriyana; Taryana, Een; Iskandar, Handoko Rusiana
Jurnal Kartika Kimia Vol 8 No 2 (2025): Jurnal Kartika Kimia (In Progress)
Publisher : Department of Chemistry, Faculty of Sciences and Informatics, University of Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jkk.v8i2.974

Abstract

This study evaluated the kinetic characteristics of the ethyl acetate saponification reaction using two analytical approaches, namely conductometry and titrimetry, in a stirred batch reactor system at various temperature conditions. Both methods showed that the reaction followed an overall second-order pattern, in line with the theory of saponification reaction kinetics. However, significant differences were found in the conversion values and activation energy obtained. The titrimetric method showed higher reproducibility and accuracy, with an estimated activation energy of 37.40 kJ/mol. This study also confirmed that increasing the reactant concentration accelerated the reaction rate by increasing the frequency of effective intermolecular collisions. Overall, the titrimetric method is recommended as a more reliable approach in the study of saponification kinetics in this experimental system.
Co-Authors Ahmad Daelami ahmad daelami Alfarizi, Muhammad Rizky Awang Rahmawan Prakoso Bakti Zainal, Yuda Bambang Widodo Cepi Arifin Charisma, Atik Een Taryana Fadihilah, Laili Fakhri, Zul Fuadiyyah, Siti Syamroatul Haz, Fauzia Hendriyana Hendriyana Iman, Agnia Juniarto, Eko M. Haris Yogi Ernanda Mardiansyah, Deri Miftah Farid Nana Heryana Prasetya, Ajie Prini, Salita Ulitia Purba, Robinson Sunubroto Sunubroto, Sunubroto Susanto Sambasri Yuda Bakti Zainal