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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) JURNAL NASIONAL TEKNIK ELEKTRO INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Journal of Science and Engineering Journal of Information Technology and Computer Engineering Jurnal Amplifier: Jurnal Ilmiah Bidang Teknik Elektro dan Komputer Andalas Journal of Electrical and Electronic Engineering Technology Jurnal Andalas: Rekayasa dan Penerapan Teknologi Jurnal Rekayasa elektrika
Mumuh Muharam
Jurusan Teknik Elektro, Universitas Andalas
Arts Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Mechanical Engineering Transportation Other

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Penerapan Sampah Buah Tropis untuk Microbial Fuel Cell Melda Latif; Arif Dwi Fajri; Mumuh Muharam
Jurnal Rekayasa Elektrika Vol 16, No 1 (2020)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17529/jre.v16i1.15723

Abstract

Microbial Fuel Cell (MFC) is one tool that uses microbes to produce electrical energy. The main components of MFC support are anodes, cathodes, and salt bridges. In this paper, the application of tropical fruit waste to MFC is presented. Tropical fruit waste used here are pineapples, oranges, bananas, watermelons, mangos, and papayas. The fruit waste is extracted and fermented to produce microbial. The microbial produces ions attached to the anode. Measurement of system current and voltage is carried out using a digital multimeter. In pineapple substrate MFC, Voc has a maximum of 485 mV, maximum current density is 163 mA/m2 and maximum power density of 11mW/m2. The orange substrate obtained Voc maximum of 805 mV, maximum current density of 661 mA/m2 and maximumpower density of 62 mW/m2. Voc banana substrate has a maximum of 312 mV, maximum current density of 118 mA/m2 and maximum power density of 5.9 mW/m2. The Voc watermelon substrate has a maximum of 451 mV, maximum current density of 306 mA/m2 and maximum power density of 18.6 mW/m2. Voc mango substrate has a maximum of  586 mV, maximum current density of 229 mA/m2 and maximum power density of 4.3  mW/m2. Voc papaya substrate is a maximum of 338 mV, maximum current density of 58 mA/m2 and maximum power density of 2.9 mW/m2. These results show the potential for renewable electricity sources.
Analysis of Exhaust Gas Heat Utilization in Waste Heat Recovery Power Generator at Indarung V Factory PT Semen Padang Mayang Safira; Melda Latif; Zaini Zaini; Aulia Aulia; Mumuh Muharam; Waweru Njeri
Andalas Journal of Electrical and Electronic Engineering Technology Vol. 3 No. 1 (2023): May 2023
Publisher : Electrical Engineering Dept, Engineering Faculty, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/ajeeet.v3i1.34

Abstract

Increasing energy efficiency in the cement production process at PT Semen Padang is carried out by reusing exhaust gas to produce electricity using Waste heat recovery power generation (WHRPG) with a capacity of 8.5 MW. WHRPG is a technology for utilizing exhaust gas heat as a source of heat energy to heat feed water into steam by using a suspension preheater (SP) boiler and air quenching cooler (AQC) boiler. This study aims to calculate the power potential of the steam heat influenced by the steam temperature and the mass flow rate of the steam produced by the boiler, to calculate the efficiency of the boiler using the direct method by comparing the boiler output heat against the boiler input heat, to calculate the turbine efficiency based on the difference between the steam enthalpy enter the turbine against the steam enthalpy out of the turbine and the isotropic enthalpy of the steam out of the turbine and to calculate the power generated by WHRPG at PT Semen Padang. The results obtained in this study are the total potential power of steam heat is 19.778 MW, the boiler AQC efficiency is 70.30%, the boiler SP efficiency is 94.04% and the turbine efficiency is 78.64%. The electricity generated by PT Semen Padang's WHRPG is 3.70 MW.
Efektifitas Pembelajaran PjBL dalam Aspek Kolaborasi untuk Mata Kuliah Sistem Pengukuran Latif, Melda; Muharam, Mumuh
Jurnal Andalas: Rekayasa dan Penerapan Teknologi Vol. 3 No. 2 (2023): Desember 2023
Publisher : Jurusan Teknik Elektro, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jarpet.v3i2.48

Abstract

Pengembangan keterampilan kolaboratif menjadi esensial dalam pendidikan teknik elektro. Penelitian ini mengusulkan Pendekatan Tindakan Kelas (PTK) untuk meningkatkan kolaborasi mahasiswa dalam pembelajaran berbasis proyek (PBL) mata kuliah Sistem Pengukuran. PTK dilaksanakan dalam beberapa siklus. Setiap siklus melibatkan perencanaan, implementasi, observasi, analisis, refleksi, dan perbaikan. Strategi PBL yang dirancang untuk merangsang kolaborasi diterapkan, dan data dikumpulkan melalui observasi kelas,dan penilaian proyek mahasiswa. Implementasi PTK menghasilkan peningkatan yang signifikan dalam kemampuan kolaboratif mahasiswa. Indikator partisipasi aktif, distribusi tanggung jawab, dan kualitas produk proyek menunjukkan tren positif. Mahasiswa merespons positif terhadap pengalaman pembelajaran PBL yang mempromosikan kolaborasi. Faktor-faktor seperti strategi pembimbingan dosen dan desain proyek berkontribusi pada peningkatan kolaborasi. Tantangan seperti komunikasi internal dan variabilitas tingkat pemahaman konsep menjadi fokus diskusi. Peran dosen sebagai fasilitator menjadi kunci untuk memastikan kelompok berkolaborasi secara efektif.
Prototipe Turbin Angin Savonius Pada Kecepatan Angin Skala Kecil Untuk Pengisian Baterai Latif, Melda; Farizi, AL; Muharam, Mumuh; Laksono, Heru Dibyo; Yunus, Syukri; Rajab, Abdul; Fitrilina, Fitrilina
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol. 12 No. 1 (2022): Amplifier Mei Vol. 12, No 1 2022
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v12i1.21673

Abstract

The Vertical Axis Wind Turbines are very suitable for use in areas with very low wind speeds. This research makes a prototype of the Savonius wind turbine to produce electrical energy as an energy source to 2 x 3.7 Volt dry battery. The Savonius turbine has four blades made of PVC. The controller circuit consists of a Boost Converter circuit and an astable multivibrator. At a speed of 2.7 m/s, the wind turbine starts to rotate and produces a no-load voltage of 0.3 V. At a speed of 3.7 m/s a voltage of 2 V is generated and can charge the battery. By using an LED (Light Emitting Diode) in the controller circuit, the charged battery can be a source of voltage in the controller circuit and the LED indicator light can be lit.
Pencegahan Kesalahan Alarm dalam Sistem Pendeteksi Dini Kebakan dan Pemadaman Berbasis Internet of Things Muharam, Mumuh; Latif, Melda; Baharuddin, Baharuddin; Richaflor, Ibnum
JITCE (Journal of Information Technology and Computer Engineering) Vol. 4 No. 02 (2020)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jitce.4.02.53-62.2020

Abstract

False alarm in fire detection can cause a huge loss. False alarm is generated by unwanted signal of smoke detector such as outdoor smoke or smoking. Therefore, it is designed a system that can reduce false alarm. The purposed system is built based on three components, those are sensors, actuators and data communication. Sensors are smoke, flame and camera sensor. Smoke sensor is used as the first thing to sense a signal from the system that warns the system there is a fire. Flame sensor and camera are used to confirm that a signal of fire whether false alarm or not. Internet of Things (IoT) is applied to control the system. The result show that the system is applicable.
Performance Optimization of Hydraulic Type Load Frequency Control in Hydropower Plants: Study of Controllers with dan Without Droop Characteristics Laksono, Heru Dibyo; Putri, Dhea Rahmadani; Muharam, Mumuh; Pratama, Rizki Wahyu
Journal of Science and Engineering Vol 8, No 1 (2025): Journal of Science and Engineering (Josae)
Publisher : Fakultas Teknik Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/josae.v8i1.9730

Abstract

This research discusses the performance of the hydraulic type Load Frequency Control (LFC) system in hydropower plants using a single controller configuration equipped with a governor against power input. The Load Frequency Control (LFC) system is used to stabilizer the power frequency during load changes by considering the influence of droop characteristics on the governor. Analysis is performed using MATLAB simulation to measure transient parameters such as rise time, peak time, steady state time, and maximum skip. The results show that the use of droop on the governor is more effective in reducing overshoot, improving system stability, but slowing down the response time. Conversely, the configuration without droop accelerates the system response but risks overshoot. Controllers with derivative components such as PD and PDF, are superior in achieving rise time. Whereas, controllers that have integral components such as PI, PID, and PIDF are better at controlling overshoot when using droop characteristics. In conclusion, the combination of droop characteristics with derivative components in the governor provides optimal performance in maintaining the frequency stability of the hydraulic type Load Frequency Control (LFC) system.
Evaluation of the Impact of Governor-less Control on the Transient Response of Hydraulic Load Frequency Control Systems Laksono, Heru Dibyo; Putri, Dhea Rahmadani; Muharam, Mumuh
invotek Vol 25 No 1 (2025): INVOTEK: Jurnal Inovasi Vokasional dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/invotek.v25i1.1256

Abstract

This study evaluates the transient performance of a hydraulic Load Frequency Control (LFC) system configured with a single controller and without a governor. The analysis focuses on rise time, peak time, settling time, and overshoot, using various controllers including PI, PD, PID, PDF, and PIDF. Simulation results indicate that eliminating the governor significantly enhances system responsiveness and reduces overshoot, particularly when using the PDF controller. Quantitative analysis shows that the PDF controller achieves 85% faster rise time (0.101s vs 0.607s for P controller) and maintains system stability with minimal overshoot (1.765% for PID vs 59.263% for P controller). This configuration enables for a more direct and efficient control response to load fluctuations, improving system stability. Thus, employing a single controller without a governor presents a promising alternative for frequency regulation in hydraulic LFC systems under dynamic load conditions. The findings of this study offer valuable insights for optimizing controller selection and configuration in practical implementations, providing guidance for engineers and researchers to enhance grid reliability, operational efficiency, and stability in various real-world hydraulic power system scenarios.
Co-Authors Abdul Rajab Amirul Luthfi, Amirul Anugrah Valdesio Arif Dwi Fajri Aulia Aulia Baharuddin Abbas, Baharuddin Baharuddin Baharuddin Farizi, AL Fitrilina, Fitrilina Gusriwandi Gusriwandi Ibnum Richaflor Laksono, Heru Dibyo Mahendri Saputra Mayang Safira Melda Latif Melda Latif Paskalina Aprila Tiy Pratama, Rizki Wahyu Putri, Dhea Rahmadani Richaflor, Ibnum Saputra, Mahendri Syukri Yunus Valdesio, Anugrah Waweru Njeri Yonggi Puriza Zaini, Zaini