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Anna Nur Nazilah Chamim
Department of Electrical Engineering, Universitas Muhammadiyah Yogyakarta
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Library & Information Science

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Analysis of Potential Alternative Energy Sources for Electricity Conservation in Yogyakarta State Finance Building Anna Nur Nazilah Chamim; Rahmat Adiprasetya Al Hasibi; Agus Jamal; Siva Aprilia; Yessi Jusman; Jeckson Jeckson
Journal of Electrical Technology UMY Vol 3, No 3 (2019): September
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.3360

Abstract

State Finance Building of Yogyakarta is a community service that is included in the types of buildings that consume electric energy that is large, so that often led to the power outage unexpectedly due to excessive use of electricity. This excessive use of electricity has also contributed to bill accounts for electricity from PLN which each month up to hundreds of millions of dollars. To that end, this research was undertaken that aim to be able to device that most optimal configuration in the use of solar panels and could compare the PLTS system between On-Grid and PLN in the aspect of cost and CO2 emissions.In knowing the potential of alternative energy sources, namely solar power connected to the PLN as the optimal power plant is carried out by means of conducting research in the form of knowing the intensity of the solar radiation data, data in the form  of electric power load is active for 24 hours, and data rates time of outside peak load and time of peak load from PLN for State Finance Building Of Yogyakarta. Later, she did the simulation using software to help homer modeling from use of the most optimal solar panel. In the research results obtained that the potential PLTS system that are connected with the grid PLN unfit to be carried out because the cost of the initial investment to expenses during the period of operation of the system including the high value of the NPC of $970,742. However, the potential of the power plant that are appropriate for the conditions on site research solar power plant was connected to the grid PLN power plant configuration that is optimized for without using batteries, use only PV with a capacity of 91,35 kW, the converter with a capacity of 400 kW, and power grid network of PLN the system transmitted to PLTS On-Grid of 552 kW.
Report of Energy Audit in Building F1, F3, F4, and G6 of Universitas Muhammadiyah Yogyakarta Destria Yoga Ningrum; Anna Nur Nazilah Chamim; Ramadoni Syahputra; Jamaaluddin Jamaaluddin
Journal of Electrical Technology UMY Vol 3, No 2 (2019): June
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.3255

Abstract

Energy audits on buildings are carried out to determine the load profile of electrical energy usage and to avoid wasting electricity. This energy waste can cause the use of electricity in buildings that are not efficient. An electrical energy audit is carried out to produce actual data that is in accordance with existing building conditions. This study conducted on buildings F1, F3, F4, and G6 in Universitas Muhammadiyah Yogyakarta to determine the value of the intensity of energy consumption used, whether it is following the Indonesian National Standards Agency. Measurement of electrical energy consumption using a tool that is the Power Factor Analyzer. The results of the calculation of the value of the intensity of electrical energy consumption showed that the buildings of F1, F3, F4, and G6 at the Universitas Muhammadiyah Yogyakarta obtained an average energy intensity value of 10.18 kWh/month. In this case, building standards are known to be between 7.92 - 12.08, which means that the building standards are categorized as efficient because they are under established standards. Furthermore, the use of electrical energy consumption used in buildings F1, F3, F4, and G6 in Universitas Muhammadiyah Yogyakarta in a month that is equal to 190,952.769 kWh/month.
Design of Backpack Sprayer with Electrical Pumping System Using Quality Function Development Approach to Optimize the Agricultural Facility Hernawa Maulana; Anna Nur Nazilah Chamim; Kunnu Purwanto; Ramadoni Syahputra; Teguh Iman Prasetyo
Journal of Electrical Technology UMY Vol 2, No 4 (2018)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.2442

Abstract

This paper presents an electric back sprayer based on the attributes required by sprayer users with the Quality Function Deployment (QFD) methodology by optimizing sprayers owned by farmers. In agriculture, the process of crop management and care and pest control is carried out routinely to obtain optimal results. The technical implementation of these efforts is carried out through soil and air media by spraying the plant organs. To keep the pressure and spray results stable, continuous pumping is required. This resulted in certainly more energy needed. Based on the results of research on farmers using a sprayer, the type that is widely used is the type of back sprayer. However, in the use of back type sprayers, farmers still experience problems. Problems encountered in using a back sprayer will be reviewed and overcome by developing a sprayer based on the wishes of the farmer. The design of the back sprayer using the Quality Function Deployment (QFD) method is more appropriate to be used in determining the attributes of the development of a back sprayer following the wishes of the fertilizer sprayer user. The resulting sprayer design is expected to be able to overcome the weaknesses in the back sprayer without having to procure a new sprayer, where the problem of the non-constant pressure level in pumping can be overcome.
Co-Authors Agus Jamal Destria Yoga Ningrum Hernawa Maulana Jamaaluddin, Jamaaluddin Jeckson Jeckson Jusman, Yessi Kunnu Purwanto Rahmat Adiprasetya Al Hasibi Ramadoni Syahputra Siva Aprilia Teguh Iman Prasetyo