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All Journal Jurnal Pengabdian Polinema Kepada Masyarakat Jurnal ELTEK ELPOSYS: Jurnal Sistem Kelistrikan

Ruwah Joto

Politeknik Negeri Malang

Author-ID : 4012772

Humanities Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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Analisis Perencanaan Sistem Jaringan Distribusi Listrik dan Perkembangan Beban Pada Perumahan The Grand Kenjeran Surabaya Epiwardi; Ruwah Joto; Muhammad Urfan Barran Rusyda Marzuq
Elposys: Jurnal Sistem Kelistrikan Vol. 9 No. 3 (2022): ELPOSYS vol.9 no.3 (2022)
Publisher : UPT - P2M POLINEMA

he electric power system is a system consisting of several parts, namely generating units, transmission units, distributionunits, and load units that are interconnected and work together to serve the electricity needs of customers according to their needs. In theprocess itself, electrical energy is distributed from the generator through the transmission network until it is received by consumers orcustomers so that in this case a related plan is needed. Planning here aims to get an optimal service flexibility so that it is able to quicklyanticipate the growth of electrical energy and how dense the load that must be served. So that the planning of the electricity distributionnetwork system must pay attention to the load conditions in the field, this is intended so that the planned distribution network system can stillwork well for the next few years. The data collection method used is in the form of field observations which aim to determine field conditionsand obtain load data that will be planned. The results of research conducted at The Grand Kenjeran Surabaya housing show that there are76 housing units to be built in this housing. The 76 housing units will be divided into 4 blocks D, E, F, G and are planned with an initial powerof 5500 VA for each housing unit along with Public Road Planning in residential areas. Taking into account field conditions, ground cablesare used as a distribution network system which includes SKTM and SKTR. The total power obtained is 435,107.5 VA and is served by 3units of distribution transformer using Pole Transformer Substation, 3 PHB-TR, 12 Main PHB, and 3 Branch PHB. The magnitude of thepossible voltage drop is around 0.97% for medium voltage, 0.3% - 0.92% for Main PHB group, 0.7% - 1.54% for Branch PHB group.

Analisa Audit Upaya Efisiensi Energi di PT. Telkom Witel Unit Network Area dan IS Operation Ruwah Joto; Sukamdi; Pratama Aditya
Elposys: Jurnal Sistem Kelistrikan Vol. 9 No. 3 (2022): ELPOSYS vol.9 no.3 (2022)
Publisher : UPT - P2M POLINEMA

The increasing use of energy, in line with the development of the economy and industry, it is also necessary to realize the importanceof saving energy on the consumption side. Energy conservation is an increase in the efficiency of energy used or energy saving processes.This process includes an energy audit, which is a method for calculating the energy consumption level of a building or buildings, the resultsof which will be compared with existing standards to then look for solutions to save energy consumption if the energy consumption levelexceeds existing standards. The method used for research in this final project uses a walking audit by collecting data based on current,voltage, and power measurements. The data will be used to determine the analysis of the consumption of electrical energy used in the PT.Telkom Witel Unit Network and IS Operation Malang. Calculation of the IKE value (Energy Consumption Intensity) of the Malang City STObuilding for the results from the account data, the results are 479.14 kWh/m²/year. As for the IKE value from the measurement, the result is443.5 kWh/m²/Year 2, the value of the IKE is very inefficient from the standard compared to the ASEAN USAID standard in 1987, becausethe total power per year is not proportional to the existing building area. The lighting strength value after the recommendation is according tothe standard by replacing the lamp with a large lumen value, while in the cooling system the calculation of the BTUH requirement for eachroom is compared to the BTU AC (Air conditioner).

Analisis Keandalan Sistem Distribusi 20kV Pada Penyulang Pujon PT. PLN (PERSERO) ULP Batu Wijaya Kusuma; Ruwah Joto; Mochammad Mieftah
Elposys: Jurnal Sistem Kelistrikan Vol. 9 No. 3 (2022): ELPOSYS vol.9 no.3 (2022)
Publisher : UPT - P2M POLINEMA

At PT. PLN (Persero) ULP Batu, Pujon feeder is one of the 9 feeders in the distribution system that supplies severalareas in PT. PLN (Persero) ULP Batu. At the Pujon feeder, the number of disturbances that occurred from January to November 2021occurred twenty-two times, with details of eighteen temporary disturbances and four permanent disturbances. The number of disturbancesthat often occur can affect the feeder who is working normally. This can cause voltage drops and power losses, causing the flow of electricpower to be less than optimal and detrimental to customers or consumers. Because it requires maneuvering so that the disturbance does notspread to all feeders and cause one feeder to experience a blackout. Based on the problems that occur, maneuver analysis is needed toreduce the impact of disturbances on the Pujon feeder and to maintain the reliability value of the distribution system at PT. PLN (Persero)ULP BATU.

Analisis Keamanan Instalasi Listrik Penerangan dan Pompa Air di Wilayah Perkampungan Ruwah Joto; Harrij Mukti K.; Tresna Umar Syamsuri; Wijaya Kusuma; Rahma Nur Amalia
Elposys: Jurnal Sistem Kelistrikan Vol. 7 No. 3 (2020): ELPOSYS vol.7 no.3 (2020)
Publisher : Politeknik Negeri Malang

The use of lighting installations installed in the RW VIII Kelurahan Kesatrian has various aspects in terms of installation and use. To prevent losses due to the installation, the solution is to conduct electrical installationtraining. As a result of this training, it is hoped that the community can make efforts to install lighting or independentlyin their respective homes safely and correctly. The purpose of this Community Service is to provide knowledge andskills in installing electrical installations correctly and safely, given the use of household electrical appliances withvarious brands, each brand of household electrical equipment has different reliability, and utilization and operationthat require safety for users.

Upaya Peningkatan Keandalan Penyulang dengan Manuver Jaringan Slamet Nurhadi; Muhammad Fahmi Hakim; Ruwah Joto
Elposys: Jurnal Sistem Kelistrikan Vol. 10 No. 1 (2023): ELPOSYS vol.10 no.1 (2023)
Publisher : Politeknik Negeri Malang

The Tlogosari feeder was disturbed 20 times so that the reliability of system wasn’t said to be good. The purpose of this research was to make efforts to increase reliability and reduce ENS by maneuvering the network and adding CO Branch. Hoped that after these efforts the reliability level of Tlogosari Feeder will be better and ENS will be as minimal as possible. The network maneuver is carried out by delegating part of Tlogosari Feeder load when it experiences a disturbance to the nearest feeders on the condition that the total load current after the maneuver doesn’t exceed the current setting and conductor ampacity. The addition of CO Branch is based on fault data to localize fault points to reduce transformer outages. After performing network maneuvers and adding CO Branch in the sub-networks, it was found that the SAIDI and SAIFI values were improved and the ENS was reduced. Network maneuvering and addition of CO Branch are quite effective in implementing the Tlogosari Feeder.

Perencanaan Instalasi Penangkal Petir Pada Bangunan Industri Bengkel Pembuatan Mesin CV. Karya Brawijaya Rohmanita Duanaputri; Ruwah Joto; Sigi Syah Wibowo; Fery Nova Dwi Prasetyo
Elposys: Jurnal Sistem Kelistrikan Vol. 8 No. 3 (2021): ELPOSYS vol.8 no.3 (2021)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v8i3.53

In this era, Indonesia's industry is rapidly developing and relies heavily on electrical components, especially in the Agro-Industry Machine Workshop of CV. Karya Brawijaya. CV. Karya Brawijaya is an industry that produces agro-industrial machinery. In the planning of external protection systems, the commonly used methods are conventional lightning rods and electrostatic methods. Therefore, to further examine the situation, observations conducted in the industry revealed the absence of a lightning protection system. Hence, the author aims to plan and compare the two types of lightning protection systems, namely conventional (Franklin) and electrostatic (E.F. Lightning Protection System), in terms of protection, technical aspects, economy, advantages, and disadvantages. The research and observations were conducted in the CV. Karya Brawijaya building area, using data collection techniques such as direct observation, interviews, and literature studies. This process yielded building layout data (height, width, and length) and data on thunderstorm days in 2019 (IKL 243). These data were then used to calculate the parameters for lightning protection system installation planning according to the standards set by SNI 07015-2004 and PUIPP. The results of the conventional method (Franklin) planning, with air terminations using rolling spheres, showed that 9 finials were installed, allowing the building to withstand currents up to 160.06 kA. On the other hand, the electrostatic method (E.F. Lightning Protection System) planning resulted in the installation of 1 finial, enabling the building to withstand currents up to 23.737 kA. If the current exceeds these values, the lightning protection system will capture the lightning strike.

Co-Authors Abdul Manaf Epiwardi Fahmi Hakim, Muhammad Fery Nova Dwi Prasetyo Harrij Mukti K. Mochammad Mieftah Muhammad Urfan Barran Rusyda Marzuq Mukti, Harrij Nurhadi - Pratama Aditya Rahma Nur Amalia Rohmanita Duanaputri Sigi Syah Wibowo Sukamdi Tresna Umar Syamsuri Wijaya Kusuma

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