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All Journal International Journal of Applied Power Engineering (IJAPE) Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Teknik Elektro Universitas Tanjungpura Bulletin of Electrical Engineering and Informatics Jurnal Edukasi dan Penelitian Informatika (JEPIN) Electrician : Jurnal Rekayasa dan Teknologi Elektro Telecommunications, Computers, and Electricals Engineering Journal Journal of Electrical Engineering, Energy, and Information Technology
Rudy Gianto, Rudy
Tanjungpura University
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering

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Journal : Telecommunications, Computers, and Electricals Engineering Journal

 1 
ENERGY AUDIT ON LIGHTING AND AIR CONDITIONING SYSTEMS AT AL-AZHAR ISLAMIC SCHOOL Khabaranus, Yusvian; Purwoharjono, Purwoharjono; Gianto, Rudy
Telecommunications, Computers, and Electricals Engineering Journal (TELECTRICAL) Vol 1, No 1: June 2023
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/telectrical.v1i1.69827

Abstract

Based on Government Regulation No. 70 of 2009 concerning energy conservation, it is stated that the use of energy by energy sources and users must be carried out sparingly and efficiently. Based on these regulations, this thesis was made with the aim of analyzing opportunities for saving electrical energy in the Islamic Middle School Al-Azhar 17 Pontianak and Islamic High School Al-Azhar 10 Pontianak buildings. Data collection was carried out from December 2022 to January 2023. The results of the analysis obtained 2 recommendations for saving electricity. In the first option, for the lighting system it is done by changing TL lamps to LEDs, requiring 240 LED lamps and for the air conditioning system it is done by changing the refrigerant to Musicool MC-22. Estimated electricity savings of 17%. The payback period is 2 years, 3 months. In the second option, 446 LED lamps were also replaced with TL lamps to LEDs. For the air conditioning system, the AC is replaced with an inverter type. Estimated electricity savings of 61.13%. The payback period is 2 years, 2 months. From the results of this analysis, energy conservation efforts to get electricity savings and cost savings are very feasible in these schools.
TRANSFORMER RELIABILITY ANALYSIS USING THE WEIBULL DISTRIBUTION METHOD (CASE STUDY OF THE POWER TRANSFORMER AT THE KOTA BARU PONTIANAK SUBSTATION) Chaniago, Muhammad Ilham; Purwoharjono, Purwoharjono; Gianto, Rudy
Telecommunications, Computers, and Electricals Engineering Journal (TELECTRICAL) Vol 2, No 2: October 2024
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/telectrical.v2i2.83889

Abstract

Reliability is the probability that a component or system will be able to operate according to the desired function for a certain period of time when used under specified operating conditions. To determine reliability in operational terms, a more specific definition is needed, namely a description of the failure that is not confusing and can be observed, identification of the time unit, and the system being observed must be in normal environmental and operating conditions. Transformer reliability is greatly influenced by two things, namely disruption and maintenance of the transformer. Scheduled and regular maintenance can increase transformer reliability, however incomplete and poorly scheduled maintenance will result in the transformer not operating or serving more often. The Weibull distribution is a distribution that has an important role, especially in matters of reliability and maintainability analysis. The Weibull distribution is often used as an approach to determine the characteristics of the damage function because changes in value will result in the Weibull distribution having certain properties or being equivalent to a certain distribution. This distribution is a versatile distribution that can take on the characteristics of other types of distribution, based on the values of the form parameters. The Weibull distribution has several reliability indices such as failure rate and MTTF (Mean Time To Failure). Based on the calculation results, power transformer 1 has an average failure rate of 0.0015 times/day, and an MTTF of 714.0685 days or 1.9564 years. Meanwhile, power transformer 3 has a failure rate of 0.0009 times/day, and an MTTF of 1587.6033 days or 4.3496 years. It can be said that power transformer 3 has much better failure rate and MTTF values than power transformer 1. The results shows that power transformer 3 shows better overall performance with a lower failure rate and higher MTTF.
Evaluation of Public Street Lighting (PJU) on Jalan Ratu Sepudak, Singkawang City Saputra, Andi; Junaidi, Junaidi; Gianto, Rudy
Telecommunications, Computers, and Electricals Engineering Journal (TELECTRICAL) Vol 2, No 3: February 2025
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/telectrical.v2i3.85475

Abstract

Public Street Lighting (PJU) is a lighting installation that is public and usually installed on roads, bridges and certain places such as parks and other public places. Public Street Lighting (LPJU) is a lamp used for street lighting at night so that it makes it easier for pedestrians, Cyclists and motorists can see more clearly the road / terrain that will be passed at night, so as to improve traffic safety, comfort of road users and provide security from criminal activities. On Jalan Ratu Sepudak Kota Singkawang, 41 light points have been installed using single ornament, the lamps used are 150 Watt SON-T type, The distance between the poles is 30 - 50 meters. Based on the results of the evaluation carried out, the results of 100 Watt LED lamps with a pole height of 9 meters, the handlebar ornament angle is 19.940, the number of light points is 58 points, illumination is 6.23 lux, the power needed is 5.8 kWh / day, and the energy consumption needed is 69.6 kWh / day.
Co-Authors - Yehezkiel, - -, Hardiansyah -, Purwoharjono -, Yandri Agu, Sepriyantemi Berto Andi Saputra Barita P, Oscar Saul Candra, Devika Chaniago, Muhammad Ilham Darmawan, Afif Doni, Donata Fitriah - Fitriah Fitriah Fitriah Husin Ghassan, Ariq Naoval Gusnaldi, - Handoko, Adi Hardin, A Hendro Priyatman, Hendro Ismail Yusuf, Ismail Junaidi Junaidi Khabaranus, Yusvian Kho Hie Khwee M. Iqbal Arsyad Mawarlisti, Brenda Nugraha, Ananggirieza Pontia W, F. Trias Purwoharjono Purwoharjono Rizal, Dodi Afri Rudi Kurnianto Sanjaya, Bomo Wibowo Saputra, Febi Seno Darmawan Panjaitan Setiawati, Firsta Zukhrufiana Sirait, Bonar Trivaldo, Angga Zainal Abidin