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All Journal DINAMIKA DOTCOM Panrita Abdi - Jurnal Pengabdian pada Masyarakat Jurnal Pengabdian Polinema Kepada Masyarakat Jurnal ELTEK ELPOSYS: Jurnal Sistem Kelistrikan Jurnal Teknik Ilmu dan Aplikasi

Fahmi Hakim, Muhammad

Jurusan Teknik Elektro, Politeknik Negeri Malang

Author-ID : 4012730

Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Other

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Analisis Pemecahan Beban Penyulang Kalipare 20 kV Sri Wahyuni Dali; Imron Ridzki; Muhammad Fahmi Hakim; Hana Nabilla Hapsari; Latasha Fadiela Nurlakshita
Elposys: Jurnal Sistem Kelistrikan Vol. 9 No. 2 (2022): ELPOSYS Vol. 9 No. 2 (2022)
Publisher : UPT - P2M POLINEMA

The Kalipare feeder is a feeder located at PT PLN (Persero) ULP Sumberpucung where the feeder has a feeder length of 232.9 kms and a load of 161.8 A, with a voltage drop of 17.981 kV, the energy loss that is not channeled in 40.82 minutes is IDR 5,333,734.00. So with that the feeder is carried out there is a splitting of the load into two, namely 86.6 A and 74.4 A, with the end voltage being 19.27 kV, with the energy loss that is not channeled in 40.82 minutes is Rp. 2,454.510.8. This load solving is carried out based on the existing conditions of the Kalipare Feeder in 2019, as well as modeling in the form of simulations using ETAP 12.6 and analyzing the simulation results with the existing load breaking conditions in 2020. Load splitting locations are carried out at 7 points taking into account the value of the investment to be made used to do the job. The locations where the load splitting will be carried out are GI Karangkates, Perempatan Peteng, Tumpakmiri, Kalipare, and Banduarjo with an investment cost of Rp. 21,124,247,696 with the construction of 527 gates. After breaking the load, which resulted in the Kalipare feeder and the Donomulyo feeder, the value of the voltage drop on the Kalipare feeder decreased to 18.25 kV; 8.70%, while the Donomulyo Feeder is 19.241 kV; 3.84%. The solution to the load of the Kalipare feeder will minimize losses due to blackouts and increase customer satisfaction.

Pemasangan Lampu Sorot dan Led Strip Dengan Pengoperasian Otomatis di Gapura Klaster SPI Sukun Kota Malang Muhammad Fahmi Hakim; Imron Ridzki; Sukamdi; Mudjiono; Bakti Indra Kurniawan
Elposys: Jurnal Sistem Kelistrikan Vol. 8 No. 1 (2021): ELPOSYS vol.8 no.1 (2021)
Publisher : Politeknik Negeri Malang

Installation of spotlights and LED strips with automatic operation at the entrance gate of the SPI Cluster RT.10 RW.04 Bandungrejosari Village, Sukun District Malang City is based on the absence of lighting contained in the writing of the Sukun Pondok Indah Cluster (SPI) so that many guests or couriers who are not aware of the housing. With the installation of spotlights and LED strips, it is hoped that the writing on the gate of the Sukun Pondok Indah cluster will be bright and visible so that guests or couriers can immediately know about the housing. Then people can see when installing spotlights and LED strips with automatic operation, they hope that people can install lighting installations automatically in their respective homes correctly and according to standards. Then people do not need to operate the ON / OFF spotlights and LED strip every day. That way, the benefits of installing spotlights and LED strips with automatic operation, people don't need to ON / OFF the lighting every time.

Rancang Bangun Automatic Smart Energy Meter Berbasis RFId Muhammad Fahmi Hakim; Imron Ridzki; Ichwan Bayu Kusuma
Elposys: Jurnal Sistem Kelistrikan Vol. 8 No. 1 (2021): ELPOSYS vol.8 no.1 (2021)
Publisher : Politeknik Negeri Malang

The development of technology today makes it easier for humans in their daily activities. One of them is in the digital world. In the industrial era 4.0. more and more companies are issuing breakthrough new products based on digital technology that aim to be practical in their use. One of the technologies applied is the use of smart cards. For example in the use of smart keys in homes and car doors. Then in the current transaction process, many have implemented this smart card technology. The purpose of this research is to apply the latest technology in the energy transaction process which will be applied to the KWh meter. The smart card used is RFId and is integrated in the database and website so that its use is more practical and flexible. Then the use of this smart card can be applied to the smart energy meter so that later the prepaid energy transaction process can be applied easily with this smart energy meter.

AUDIT PENERANGAN PADA GEDUNG A, B, DAN C DI PERGURUAN TINGGI Muhammad Fahmi Hakim; Brenda Yuunilel Vinza Herman; Helmy Mukti Himawan
Elposys: Jurnal Sistem Kelistrikan Vol. 8 No. 2 (2021): ELPOSYS vol.8 no.2 (2021)
Publisher : UPT - P2M POLINEMA

Dalam perkembangannya kebutuhan energi listrik menjadi suatu keharusan bagi masyarakat dan rasanya tanpa energilistrik masyarakat tidak dapat melakukan aktifitas sehari-hari termasuk dalam dunia pendidikan. Pada tiap gedung pendidikan pun dituntut untuk handal dan berkualitas, juga mencukupi kebutuhan energinya, selain itu hal yang tak kalah pentingnya adalah bagaimana intensitas konsumsi energi listrik tersebut efisien, terkendali, dan tentunya hemat energi. Audit energi yang dilakukan pada PSDKU Kediri Politeknik Negeri Malang ini difokuskan ke tingkat konsumsi energi dan sistem pencahayaan bangunan. Berdasarkan hasil analisis yang dilakukan terdapat beberapa kesimpulan yang diperoleh yaitu, penggunaan energi listrik di Gedung A lebih besar dibandingkan dengan penggunaan energi listrik pada gedung B dan C. Dikarenakan gedung A berfungsi sebagai pusat perkantoran yang jam kerjanya dan penggunaan ruangannya lebih banyak. Sistem pencahayaan bangunan tergolong kurang, karena terdapat beberapa ruangan yang masih belum memenuhi tingkat lux rata rata standart. Penentuan tingkat lux rata rata dilakukan dengan simulasi DIALux dan contoh ruangan yang digunakan adalah ruang direktur. Penghematan energi adalah dengan melakukan pergantian lampu menggunakan lampu berjenis LED sesuai kapasitas yang di butuhkan. Dengan menggunakan lampu led maka kebutuhan penggunaan energinya semakin rendah tetapi tetap memenuhi pada SNI.

Analisis Aliran Daya dan Kualitas Daya Voltage Uprating 70 kV ke 150 kV Menggunakan Performance Index Muhammad Marozi Effendi; Muhammad Fahmi Hakim; Budi Eko Prasetyo
Elposys: Jurnal Sistem Kelistrikan Vol. 8 No. 2 (2021): ELPOSYS vol.8 no.2 (2021)
Publisher : UPT - P2M POLINEMA

Kebutuhan energi listrik semakin meningkat seiring dengan perkembangan beban. Adanya perkembangan bebanmenyebabkan arus pada saluran transmisi semakin besar sehingga profil tegangan menurun dan losses semakin besar khususnya pada saluran transmisi 70 kV. Sehingga diperlukan cara untuk menanggulangi masalah tersebut yaitu dengan mempertinggi level tegangan atau voltage uprating dari 70 kV menjadi 150 kV. Penelitian ini dilakukan pada sistem 67 bus di regional Jawa Timur subsistem Paiton-Grati. Terdapat 20 saluran transmisi 70 kV yang akan di-uprating ke 150 kV. Pemodelan sistem dan simulasi aliran daya saat kondisi sebelum (Initial Condition) dan sesudah uprating (Uprating Condition) menggunakan software ETAP. Selanjutnya menganalisis aliran daya dan kualitas daya berdasarkan profil tegangan dan losses saluran transmisi dari masing-masing kondisi. Serta menggunakan performance index untuk membandingkan performa dari Initial dan Uprating Condition dimana terdiri dari Voltage Performance Index (PIV) dan Active Power Performance Index (PIMW). Rata-rata fluktuasi tegangan saat Initial Condition adalah sebesar -3.17%, dimana terjadi kenaikan profil tegangan saat Uprating Condition menjadi sebesar -2.24% dengan selisih sebesar 0.93%. Losses saluran transmisi saat Initial Condition sebesar 4.253%, dimana terjadi penurunan losses saat Uprating Condition menjadi sebesar 3.917%. Sehingga selisih losses saluran transmisi antara Initial dan Uprating Condition sebesar 0.336%. Performance Index saat Initial Condition sebesar 0.18535 sedangkan saat Uprating Condition sebesar 0.15658, sehingga Uprating Condition memiliki performa yang lebih baik

Penilaian Kualitas Gas SF6 Pada GISTET 500/150 kV Rahman Azis Prasojo; Devi Soviati Mahmudah; Imron Ridzki; Muhammad Fahmi Hakim; Priya Surya Harijanto
Elposys: Jurnal Sistem Kelistrikan Vol. 9 No. 3 (2022): ELPOSYS vol.9 no.3 (2022)
Publisher : Politeknik Negeri Malang

The number of Gas Insulated Switchgear (GIS) in operation is increasing in Indonesia. GIS failure requires expensive costs andextensive blackouts. Asset reliability management such as SF6 is needed to ensure GIS performance. Several studies have tested thequality of SF6 gas to assess the feasibility and operation of the GIS. However, a complete GIS feasibility study based on SF6 gas qualityparameters has not found. In this study, a condition assessment of the GISTET Kembangan 500/150 kV was carried out based on applicableinternational standards. There is an interesting phenomenon in the form of dew point anomaly and moisture content in severalcompartments, indicating that the gas is moist. The results of this study indicate the operational feasibility of the GISTET Kembangan500/150 kV , the effect of high humidity on GIS operations, and maintenance recommendations.

Analisis Komparasi Performa Bohlam LED Berbagai Merk Rahman Azis Prasojo; Hafiz Furqoni; Muhammad Fahmi Hakim; Hari Kurnia Safitri; Heri Sungkowo
Elposys: Jurnal Sistem Kelistrikan Vol. 7 No. 3 (2020): ELPOSYS vol.7 no.3 (2020)
Publisher : Politeknik Negeri Malang

LED bulb are increasingly being adopted not only because of their good efficacy, but also because they are known to havehigh controllability. LED lighting has developed rapidly in recent years to achieve more efficient and reliable LED performance. Severalstudies have conducted experiments to obtain the characteristics and performance of LED lamps. However, study comparing theperformance of LED bulbs with various manufacturer and considering the price factor has not been found. In this study, the performancecomparison of six LED bulb manufacturers that are commonly found in the Indonesian market were conducted. Each brand is sampledfrom three rated powers. The results of this study show a weak correlation between the price and performance. Nonetheless, theperformance of LED bulb from different manufacturers were observed.

Real Time Monitoring System Dari Active Solar Photovoltaic Tracker Berbasis Internet Of Things Izra Bagus Kurniansyah; Ferdian Ronilaya; Muhammad Fahmi Hakim
Elposys: Jurnal Sistem Kelistrikan Vol. 7 No. 3 (2020): ELPOSYS vol.7 no.3 (2020)
Publisher : Politeknik Negeri Malang

There are still monitoring system in Solar Power Plant that do it manually. From here the idea emerged to develop a monitoring system using the IoT concept so that monitoring on Solar Power Plant that can be monitored just by looking at the website page, so current and voltage data can be easily monitored. This monitoring system is used to monitor the current and voltage of a solar power plant with solar cell capacities of 50WP, 80WP, and 100WP. In the application of using Solar Power Plant that, there is a current and voltage starting from the solar cell output, accumulator output, AC load input, and DC load input. The monitoring results that have been carried out will then be automatically sent to the Thingspeak application using the SIM800L Module. The thingspeak application will send data in the form of numbers and graphics in real time. By comparing the value of the measurement results on the Arduino and the Thingspeak application, the value of the percentage of reading errors on the measuring instrument is obtained. 3. In accordance with the tests that have been carried out, the percentage of read errors / errors can occur because of the reading accuracy of the current sensor measurements and AC-DC voltage sensors with different thingspeak applications. Each sensor has a percentage value of 0.16% AC & DC voltage sensor measurement error, 1.2% AC & DC current sensor, and 2.8% data transmission observation.

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.

Sistem Monitoring Online Dan Analisis Perfomansi Plts Panel Surya Monocrystalline 100 Wp Berbasis Web Rohmanita Duanaputri; Irwan Heryanto/Eryk; Muhammad Firas Sajidan; Muhammad Fahmi Hakim; Ayusta Lukita Wardani
Elposys: Jurnal Sistem Kelistrikan Vol. 10 No. 1 (2023): ELPOSYS vol.10 no.1 (2023)
Publisher : Politeknik Negeri Malang

In this modern life, people's dependence on energy sources, especially electrical energy, has led to innovation in the use of cheap alternative energy sources that are environmentally friendly such as solar energy, one of which is PLTS. To support PLTS performance, a web-based monitoring system is needed for remote monitoring in monitoring PLTS performance, the data displayed is the result of measurements by voltage and current sensors installed in each solar panel on the PLTS performance detector. In this case, it is necessary to develop a Web-based monitoring system to help improve the efficiency of performance maintenance on 100 wp monocrystalline panels. By using the INA260 sensor in the form of a digital DC sensor that can measure a maximum current of 15 A, a maximum voltage of 36 v, and DC power and the DS18B20 sensor is a digital sensor that can measure the surface temperature of the panel. Sensor readings can be displayed offline via the HMI LCD while online readings can be displayed in the form of a Web which has a graphical display feature for each parameter and downloads data in the form of a .csv file as a feature that supports data analysis. The results of the sensor validation test or calibration using a measuring instrument have an average error sensor reading of 0.34 %. The average current sensor error is 0.63%, and the power sensor error average is 0.56%, while the average panel surface temperature sensor error is 0.34%

Co-Authors Abd. Rasyid Syamsuri Agung Laksono Pamuji Ahmad Hermawan Ananto, Rhezal Agung Asfari Hariz Santoso Awan Setiawan Ayusta Lukita Wardani Bagus Kurniansyah, Izra Bakti Indra Bakti Indra Kurniawan Bakti Indra Kurniawan Brenda Yuunilel Vinza Herman Budi Eko Prasetyo Budi Eko Prasetyo Devi Soviati Mahmudah Hafiz Furqoni Hafiz Furqoni Hana Nabilla Hapsari Hari Kurnia Safitri Hari Sucipto Helmy Mukti Himawan Helmy Mukti Himawan, Helmy Mukti Herman, Brenda Yuniel Vinza Ichwan Bayu Kusuma Ikfi Asmaul Khusna Imron Ridzki IRWAN HERYANTO ERYK Irwan Heryanto/Eryk Irwan Heyanto/Eryk Izra Bagus Kurniansyah Kurniawan, Bakti Indra Kusuma, Ichwan Bayu Latasha Fadiela Nurlakshita M. Noor Hidayat Masramdhani Saputra Mohammad Noor Hidayat Mudjiono Mudjiono Mudjiono Mudjiono Muhammad Firas Sajidan Muhammad Marozi Effendi Muhammad Marozi Effendi Muhammad Yusril Ihza Al Hakam Nurhadi - Oky Achmad E Priya Surya Harijanto Rahman Azis Prasojo Rahman Azis Prasojo Ridzki, Imron Rohmanita Duanaputri Ronilaya, Ferdian Ruwah Joto Saddani Djulihenanto Sapto Wibowo Satrio Pamungkas Bayu Aji Wibowo Sigi Syah Wibowo Sigit Setya Wiwaha Sri Wahyuni Dali Sucipto, Hari Sukamdi Sulistyowati Sungkowo, Heri

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