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All Journal Electrician : Jurnal Rekayasa dan Teknologi Elektro
Fitriono fitriono
Universitas Muhammadiyah Lampung
Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Perencanaan Sistem Loop Jaringan 20 kV Menggunakan Load Breaking Switch Motorized di Penyulang Sawit, Jati dan Pala Fitriono fitriono; Dasweptia D; Hamimi H
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 17 No. 1 (2023)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v17n1.2218

Abstract

ABSTRAK Perencanaan Sistem Loop Jaringan 20 kV Menggunakan LBS (Load Breaking Switch Motorized) di PenyulangSawit, Jati dan Pala. Program Studi Teknik Elektro Fakultas Teknik Universitas Muhammadiyah Lampung. Setiap jaringan tegangan menengah 20 kV termasuk jaringan penyulang Sawit, Jati dan Pala pasti akan mengalami pemadaman untuk proses pemeliharaan secara berkala, selain itu dengan kondisi jaringan yang relatif panjang yaitu penyulang Sawit 78,4 KMS, penyulang Jati 45,8 KMS dan penyulang Pala 130,1 KMS maka potensi akan terjadi gangguan pada jaringan penyulang Sawit, Jati dan Pala cukup tinggi. Berdasarkan kondisi pemeliharaan dan potensi gangguan yang akan terjadi serta konfigurasi jaringan eksisting yang tidak memungkinkan untuk dimanuver maka penyaluran energi listrik ke pelanggan menjadi tidak handal. Untuk mendapatkan jaringan tegangan menengah yang handal tentunya perlu dilakukan analisis, evaluasi dan simulasi kehandalan jaringan dalam menghadapi kondisi-kondisi pemeliharaan dan gangguan. Karena tingginya ENS (Energy Not Supplied) yang ditimbulkan pada simulasi kondisi eksisting maka dilakukan perencanaan pemasangan LBSM pada titik manuver penyulang atau titik pertemuan penyulang yaitu LBSM Dono Mulyo (pertemuan penyulang Sawit dan Pala) dan LBSM BD 8 (pertemuan penyulang Jati dan Pala), selain itu untuk mempercepat waktu pengusutan gangguan maka juga dilakukan resetting dan pengaktifan fungsi sectionalizer pada LBSM yang menjadi pembatas setiap section di penyulang.
Analisa Kondisi Minyak Trafo Berdasarkan Hasil Uji Dissolved Gas Analisys Pada Trafo Daya #1 Di PT.PLN (PERSERO) GARDU INDUK KOTABUMI Yenni Afrida; Fitriono
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 16 No. 3 (2022)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v16n3.2408

Abstract

Abstract Transformer oil is very important because it functions as a coolant and also as an insulator. In transformer oil there are dissolved gases that can cause failure of the transformer due to gas failure (fault gas). This research was conducted to determine the condition of transformer oil by analyzing the results of the Dissolved Gas Analysis (DGA) test. The DGA (Dissolved Gas Analysis) test is used to determine the type of failure in a transformer that has been operating for years. The DGA test is carried out by monitoring fault gases such as H2, CH4, CO, CO2, C2H4, C2H6, C2H2, O2, N2 and O2N2 which generally cannot be detected in testing the characteristics of transformer oil. Based on the test results using the Total Dissolve Gas Analysis (TDCG) method condition 1 with the amount of flammable gas 202.845 ppm with the interpretation that the transformer can operate normally. The test results using the Roger's Ratio method on the Power Transformer 1 GI Kotabumi obtained codes 0 0 0. From the combination of the 3 codes above, it shows that the transformer oil is in good condition. The results of the test using the Key Gas method on Power Transformer 1 GI Kotabumi obtained a CO value of 56 percent caused by overheating of cellulose or overheating of solid insulation in the transformer but that value is still far from the threshold Keywords Dissolved Gas Analysis (DGA),Transformer oil, Roger'r ratio method, KeyGas
Studi Aplikasi Smart Switch RFID pada Kelistrikan Kantor dan Ruang Belajar Hamimi; Fitriono; Yudi Eka Putra
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 17 No. 2 (2023)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v17n2.2465

Abstract

Abstrak -Penelitian ini, RFID (Radio Frequency Identification) digunakan sebagai alat identifikasi personal pada sistem akses. sistem ini ditujukan untuk menjaga keamanan dan privasi ruangan dari pihak-pihak yang tidak memiliki otoritas untuk memasuki ruangan tersebut. Melalui perancangan dan implementasi sistem akses ruangan ini, jarak dan posisi optimal pembacaan RFID tag guna memberikan kenyamanan pada pengguna saat mengakses ruangan. Untuk mempermudah mobilitas, pengembangan penggunaan RFID sebagai pengganti kunci pintu, selain praktis penggunaan RFID juga lebih ekonomis dan dapat mengefisiensi energi yang digunakan, serta meminimalisir bahaya kebakaran yang diakibatkan hubungan pendek arus listrik yang sering terjadi di rumah dan perkantoran. alat kunci pintu dan saklar lampu RFID berbasis arduino uno adalah suatu alat yang dapat diarahkan untuk menghidupkan dan mematikan lampu serta peralatan elektronik lainnya saat membuka dan mengunci pintu. Dengan itu dibuatlah suatu sistem kontrol yang mampu di kendalikan menggunakan sensor Kata Kunci : kunci elektrik, RFID, sistem akses ruangan, sistem database, solenoid
Sistem Monitoring Konsumsi Daya Listrik Berbasis IoT untuk Efisiensi Energi pada Gedung PENMARU Universitas Muhammadiyah Lampung Yudi Eka Putra; Oktavia Eka Rahayu; Yenni Afrida; Jeckson Jeckson; Fitriono Fitriono; Sri Suryani
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 20 No. 2 (2026)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v20n2.3199

Abstract

Abstract. Electrical energy usage in buildings with three-phase distribution systems requires proper monitoring to ensure energy consumption can be controlled effectively and efficiently. Common problems in building electrical systems include load imbalance between phases, delayed fault detection, and manual monitoring processes that prevent real-time observation of power consumption conditions. This study aims to design and develop an Internet of Things (IoT)-based electrical power consumption monitoring system for the PENMARU Building of Muhammadiyah University of Lampung using the PZEM-004T sensor and ESP32 microcontroller. The system was designed to monitor electrical parameters such as voltage, current, active power, electrical energy, and power factor in a three-phase electrical system in real-time through an IoT-based monitoring dashboard. The research method used in this study was Research and Development (R&D), which included system design, hardware and software implementation, system testing, and analysis of measurement results. The results showed that the system was able to monitor electrical parameters in real-time with a measurement error below 1%. The seven-day testing results indicated that the average power on phase R was 74.86 W, phase S was 225.64 W, and phase T was 51.01 W, with total electrical energy consumption reaching 47.06 kWh. In addition, the system successfully transmitted monitoring data stably through a Wi-Fi network and displayed the data on the IoT dashboard in real-time. Therefore, the proposed monitoring system is considered capable of supporting more effective, responsive, and efficient electrical energy consumption monitoring.
Optimalisasi Faktor Daya dan Reduksi Rugi Daya Menggunakan Capacitor Bank Berbasis MATLAB Simulink Fatahilal Rasyid Agusta; Yenni Afrida; Fitriono Fitriono; Dasweptia D; Hamimi Hamimi; Jeckson son; Yudi Eka Putra
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 20 No. 3 (2026)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v20n3.3092

Abstract

Abstract. Operation of electrical equipment with a low power factor results in increased current and reactive power, reducing efficiency and causing losses in the PLN distribution network. This study examines the capacitor bank requirements based on load measurements and power factor (cosĪ†) for 52 three-phase low-voltage customers of PT PLN (Persero) ULP Karang. MATLAB simulations were used to determine the required capacity of the capacitor bank to increase the power factor above 0.85. The simulation results show that after installing capacitor banks, the average power factor increased to 0.99. Active power increased by 30.4% (from 76,638 watts to 99,970 watts), while reactive power decreased by 63% (from 65,768 VAR to 24,521 VAR). These improvements are expected to enhance the operational efficiency of electrical equipment with inductive loads and reduce power losses in the PLN network.
Co-Authors Afrida, Yenni Dasweptia D Fatahilal Rasyid Agusta Hamimi Hamimi H Hamimi Hamimi Jeckson, Jeckson Oktavia Eka Rahayu Sri Suryani Yudi Eka Putra