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All Journal Elkom: Jurnal Elektronika dan Komputer Jurnal Informatika dan Teknik Elektro Terapan Jurnal Sains Teknologi dan Lingkungan (JSTL) Journal of Computer Science and Informatics Engineering (J-Cosine) Jurnal Pengabdian Magister Pendidikan IPA Jurnal Gema Ngabdi International Journal of Engineering and Emerging Technology Syntax Idea Dielektrika : Jurnal Ilmiah Kajian Teori dan Aplikasi Teknik Elektro Jurnal Abdi Insani International Journal of Electrical, Energy and Power System Engineering (IJEEPSE) Journal of Energy and Electrical Engineering (JEEE) Jurnal Teknik Industri Terintegrasi (JUTIN) TIN: TERAPAN INFORMATIKA NUSANTARA JURNAL PENDIDIKAN, SAINS DAN TEKNOLOGI Action Research Literate (ARL) Sci-Tech Journal Jurnal Bakti Nusa Jurnal Karya Pengabdian Teknik Mesin Jurnal Pepadu Jurnal Indonesia Sosial Sains JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY) Journal of Electrical Engineering ELECTROPS : Jurnal Ilmiah Teknik Elektro Jurnal Wicara Desa
I Ketut Wiryajati
Program Studi Teknik Elektro, Fakultas Teknik, Universitas Mataram, Indonesia
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Pengenalan Prinsip Ergonomi dalam Angkat-Angkut Peralatan di Laboratorium Listrik Dasar Jurusan Teknik Elektro Universitas Mataram Bawa Susana, I Gede; Wiryajati, I Ketut; Perdana Putra, I Ketut; Wirya Aryadi, I Gusti Agung Ketut Chatur Adhi; Joniarta, I Wayan
JURNAL KARYA PENGABDIAN Vol. 7 No. 2 (2025): Oktober, Jurnal Karya Pengabdian
Publisher : Jurusan Teknik Mesin FT Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jkp.v7i2.225

Abstract

Aktivitas angkat-angkut peralatan di laboratorium listrik dasar jurusan Teknik Elektro seperti aerator sering kali dilakukan tanpa memperhatikan prinsip ergonomi, sehingga berisiko menimbulkan kelelahan fisik dan gangguan muskuloskeletal. Kegiatan pengabdian ini bertujuan untuk memperkenalkan prinsip dasar ergonomi kepada teknisi yang terlibat dalam kegiatan praktikum di Laboratorium Listrik Dasar Jurusan Teknik Elektro Universitas Mataram. Metode yang digunakan mencakup observasi awal, penyuluhan teori, pelatihan praktik ergonomis, serta evaluasi melalui kuesioner dan diskusi. Hasil kegiatan menunjukkan peningkatan pemahaman peserta terhadap pentingnya postur kerja yang benar dan penggunaan teknik angkat-angkut yang lebih aman, seperti mengangkat beban bersama dua orang dan menggunakan kekuatan kaki. Peserta menyatakan memahami prinsip dasar ergonomi dan mampu menerapkan teknik angkat-angkut secara tepat. Kegiatan ini menunjukkan bahwa edukasi ergonomi yang sederhana namun aplikatif dapat meningkatkan kesadaran akan keselamatan kerja serta mengurangi risiko cedera. Diperlukan tindak lanjut berupa penyusunan SOP ergonomi laboratorium dan penyediaan alat bantu kerja untuk mendukung praktik ergonomis secara berkelanjutan.
Sosialisasi Pentingnya Alat Pemadam Api Ringan sebagai Antisipasi Bahaya Kebakaran di Laboratorium Motor Listrik Jurusan Teknik Mesin Universitas Mataram Putra, I Ketut Perdana; Wiryajati, I Ketut; Mara, I Made; Adi W, IGAK Catur; Adnyani, Ida Ayu Sri; Okariawan, IDK
Jurnal Pengabdian Magister Pendidikan IPA Vol 8 No 4 (2025): Oktober-Desember 2025
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v8i4.13032

Abstract

Laboratories are environments with a high risk of fire, especially in engineering laboratories, which frequently use electrical equipment, batteries, and flammable materials. Fire prevention and mitigation efforts are crucial for ensuring the safety of laboratory users. One of the mandatory facilities is a portable fire extinguisher (APAR), yet many students still do not understand how to use it and its function. This community service activity involved raising awareness about the importance of APAR in the Faculty of Engineering's Electric Vehicle Laboratory, with 15 students participating. The results of the activity showed an increase in students' understanding of the function, types, and procedures for using fire extinguishers. Prior to the socialization, only 26.7% of students understood the function of fire extinguishers, but after the socialization, this increased to 100%. Understanding of fire extinguisher procedures increased to 86.7%. This activity demonstrated that socialization and hands-on practice can improve students' awareness and skills in fire prevention
Sosialisasi Pembuatan Briket Arang Jerami sebagai Salah Satu Sumber Energi Berkelanjutan di Laboratorium Listrik Dasar Fakultas Teknik Universitas Mataram Putra, I Ketut Perdana; Wiryajati, I Ketut; Muljono, Agung Budi; Harjian, M Rivaldy; Adnyani, Ida Ayu Sri; Natsir, Abdul; Supriatna
Jurnal Pengabdian Magister Pendidikan IPA Vol 8 No 4 (2025): Oktober-Desember 2025
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v8i4.13086

Abstract

PROGRAM PELATIHAN KESELAMATAN KERJA DALAM JAMINAN SOSIAL KETENAGAKERJAAN BAGI PEKERJA MEP (MEKANIKAL, ELKTRIKAL, PLUMBING DAN AC ) LOKASI SAWANGAN NUSA DUA BALI Wiryajati, I Ketut; Yadnya, Made Sutha; Adnyani, Ida Ayu Sri; Citarsa, Ida Bagus Fery; Satiawan, Nyoman Wahyu; Suksmadana, I Made Budi
Jurnal Pepadu Vol 6 No 3 (2025): Jurnal Pepadu
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v6i3.7765

Abstract

The importance of Mechanical, Electrical, Plumbing and Air Conditioning (MEP) cannot be overlooked, as these systems are interconnected to create a comfortable and safe environment. For example, without a good electrical system, mechanical devices such as air conditioners and heaters cannot function. Similarly, without adequate plumbing, the provision of clean water inside the building will inevitably be disrupted. MEP also affects the energy efficiency and operations of buildings, which ultimately impacts the comfort of its occupants. With a better understanding of MEPs, both developers and building users can ensure that each component is functioning properly. For MEP workers, each mass per group consists of 5-10 people, provided with 6 groups, so that the total number of workers is around 30 people. For this service stage, only 20 people registered and attended. The result of this service is consistency, standards, and efficiency in the operation of good building management. Keywords: Mechanical; Electrical; Plumbing; Efficiency; Energy
Membangun Kesadaran Masyarakat Desa Bagik Manis Melalui Pelatihan Penggunaan APAR yang Tepat dan Efektif Wiryajati, I Ketut; I Wayan, Joniarta; Adnyani, Ida Ayu Sri; Aljibran, Aljibran; Fitrirayani, Gadis Ariva
Jurnal Gema Ngabdi Vol. 7 No. 3 (2025): JURNAL GEMA NGABDI
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jgn.v7i3.600

Abstract

Fire is a major disaster threat that can cause significant damage, especially in rural areas with limited firefighting resources. Bagik Manis Village, located in Sambelia District, East Lombok Regency, is highly vulnerable due to dense settlements, simple electrical installations, and limited community knowledge of fire prevention. This highlights the need for training on the use of Portable Fire Extinguishers (APAR) to improve the community’s capacity for quick and effective emergency response. The training was participatory and included several stages: fire hazard awareness, basic APAR introduction, PASS technique demonstration (Pull, Aim, Squeeze, Sweep), hands-on practice, simple simulations, and evaluations. Knowledge and skills were assessed through tests and observation. Results showed significant improvement in all indicators. Basic knowledge increased from 26% to 87%, understanding of the PASS procedure from 18% to 82%, practical skills from 13% to 77%, and collective awareness from 35% to 92%. The training effectively improved fire knowledge, skills, and preparedness culture. It is recommended to continue the program regularly, form fire preparedness groups, and ensure APAR availability in households and public facilities.
Maintenance of Grounding Systems at Distribution Substations to Improve The Reliability of Electricity Distribution in The Work Area of  PLN Customer Service Unit at Bima City Muhamad Aswin Yusrih, Aditama; Wiryajati, I Ketut; Djul Fikry, Budiman
JEITECH (JOURNAL OF ELECTRICAL ENGINEERING, INFORMATION TECHNOLOGY, CONTROL ENGINEERING, AND ROBOTIC) Vol. 3 No. 3 (2025): Edisi November 2025
Publisher : Depertment of Electrical Engineering University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Distribution substations have an important role in maintaining the reliability of the electricity distribution system. In the working area of PLN ULP Bima City, disturbances often occur due to high grounding resistance values, declining equipment conditions, and external factors such as weather. These problems reduce system performance and increase the risk of electrical disturbances. The solution applied is measurable grounding maintenance using field inspection methods, technical interviews, and literature studies. The contribution of this activity is the preparation of an effective distribution substation maintenance procedure that complies with PLN standards. The methods used include predictive, preventive, and corrective maintenance, as well as replacement of components such as arresters, insulators, and A3CS cables. The results showed an initial resistance value of 18.22 Ω which dropped to 1.49 Ω after the installation of a new grounding system and integration with arresters. This decrease proves the effectiveness of the applied method in lowering the ground resistance and improving protection against lightning strikes. Maintenance also includes testing using a Hioki FT6031 Earth Tester with results that meet PLN standards. In conclusion, thorough grounding maintenance is able to improve the reliability of distribution substations and reduce potential interference, as well as support the reliability of electricity supply in the Bima City area in a sustainable manner
UPAYA PENGOLAHAN LIMBAH JAGUNG MELALUI INOVASI PEMBUATAN BRIKET TONGKOL JAGUNG SEBAGAI ENERGI ALTERNATIF DI DESA SAMBALIA Armansyah, Ismayadi; Fetrosia, Riska; Pratama, Sugi Artha; Astuti, Luviana; Hartati, Sri; Ningrat, Lalu Fayadh Rusya; Syahfitri, Dian Aulia; Bianti, Baiq Asri; Pebrina, Tria Rizki; Wiryajati, I Ketut
Jurnal Wicara Vol 3 No 5 (2025): Jurnal Wicara Desa
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/yvgrsx04

Abstract

Sambalia Village is one of 11 villages located in Sambelia Subdistrict in the northern part of East Lombok Regency. Sambalia Village has great potential in the agricultural sector, especially in corn production, which is abundant. However, this abundant corn production also has a negative impact on the lack of utilization and processing of post-harvest waste from this commodity. The 2025 PMD Community Service Program in Sambalia Village was implemented to support the village's potential while making a tangible contribution to the community. The implementation method used a participatory approach through socialization and training on work programs involving village officials, community leaders, and the people of Sambalia Village. The main program focused on community empowerment through socialization and training on making corn cob briquettes as an alternative energy source and strengthening business capacity through socialization on product packaging and business licensing. The results showed that the community was quite enthusiastic about participating in the program, participants were able to practice new skills, and there was an awareness of the importance of alternative fuel innovation. The main obstacles encountered included limited time, equipment, and the sustainability of post-KKN assistance. Thus, the KKN PMD activity in Sambalia Village provided a learning experience for students and tangible benefits for the community in opening up new economic opportunities.
Dynamic and Stability Assessment of an Automatic Voltage Regulator Based on Time- and Frequency-Domain Analysis Wiryajati, I Ketut; Supriyatna
DIELEKTRIKA Vol 13 No 1` (2026): DIELEKTRKA
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dielektrika.v13i1`.446

Abstract

This study presents a dynamic and stability analysis of an Automatic Voltage Regulator (AVR) system for a synchronous generator using time-domain and frequency-domain approaches. The system is modelled as a series of first-order linear subsystems consisting of an amplifier, exciter, generator, and feedback sensor, resulting in a fourth-order closed-loop system. Numerical simulations are conducted to compare the performance of the AVR without a controller and with a PID controller. Time-domain analysis indicates that the uncontrolled system exhibits a rise time of 0.339 s, an overshoot of 57.937%, and a damping ratio of approximately 0.17, indicating a heavily underdamped response. After implementing the PID controller, the rise time decreases to 0.295 s and the overshoot is significantly reduced to 14.368%, with the damping ratio increasing to approximately 0.53. Frequency-domain analysis using Bode diagrams shows an improvement in phase margin from less than 20° to more than 40°, and gain margin from below 6 dB to above 10 dB. The dominant pole shifts from approximately Re(s) ≈ −0.2 to Re(s) ≈ −1.0 in the complex plane, confirming enhanced relative stability and faster transient decay. Overall, the results demonstrate that the PID controller significantly improves stability, response speed, and damping performance, making it suitable for voltage regulation in power system applications
Pengaruh Kombinasi Jumlah Slot Stator - Kutub Magnet Rotor pada Unjuk Kerja Motor BLDC satiawan, nyoman wahyu; Bagus Fery Citarsa, Ida; Made Budi Suksmadana, I; Ketut Wiryajati, I
DIELEKTRIKA Vol 13 No 1` (2026): DIELEKTRKA
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dielektrika.v13i1`.451

Abstract

Pemilihan jumlah slot stator dan jumlah kutub magnet rotor adalah hal yang sangat penting dalam perancangan sebuah motor BLDC karena kedua parameter tersebut secara langsung mempengaruhi performansi elektromagnetik, karakteristik torsi dan efesiensi. Kombinasi slot-kutub yang tidak sesuai dapat memicu peningkatan riak torsi (torgue ripple), coging torsi (cogging torque), rugi-rugi inti maupun rugi-rugi tembaga dan pada akhirnya dapat menurunkan performa dari motor. Paper ini menyelidiki pengaruh jumlah slot dan kutub terhadap unjuk kerja motor BLDC. Penyelidikan dilakukan dengan memodelkan motor BLDC dengan diameter luar stator, lebar airgap dan material magnet yang identik dengan beberapa kombinasi slot-kutub yakni 18/4, 18/8, 18/12 dan 24/22. Hasil investigasi mengkonfirmasi bahwa pertambahan jumlah kutub dari 4, 8 dan 12 pada jumlah slot tetap (18) meningkatkan magnitude, ripple dan coging torsi. Hasil ekperimen juga menemukan bahwa kombinasi slot-kutub (24/22) merupakan kombinasi terbaik dimana ripple torsi dan coging torsi menjadi sangat kecil dan halus. Semantara itu pengaruh kombinasi slot-kutub terhadap rugi-rugi memperlihatkan bahwa pertambahan jumlah kutub meningkatkan rugi-rugi besi dan rugi tembaga karena ketika kutub bertambah maka kecepatan motor akan menurun. Jika kecepatan sinkron menurun (untuk daya yang sama), maka arus akan meningkat sehingga rugi tembaga bisa meningkat pada motor dalam kondisi low-speed high-torque.
SOSIALISASI PEMANFAATAN ENERGI TERBARUKAN KEPADA KELOMPOK NELAYAN DI DUSUN CEMARE Ida Bagus Fery Citarsa; I Ketut Wiryajati; I Nyoman Wahyu Satiawan; I Made Budi Suksmadana; Supriono; Cipta Ramadhani
Jurnal Bakti Nusa Vol. 7 No. 1 (2027): JURNAL BAKTI NUSA
Publisher : Jurusan Teknik Elektro Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/baktinusa.v7i1.151

Abstract

Fishermen, as a part of the human resources that require energy in carrying out their activities, need to prepare themselves with knowledge about the use of renewable energy for future needs. The 'Obor Kehidupan' Fishermen's Group in Cemare Hamlet does not yet have knowledge about renewable energy due to their lack of educational background. This activity has a purpose about renewable energy socialisation so that the fishermen's group member able to understand the various types of renewable energy and the potential of renewable energy in their area. Based on interviews before the socialisation, it was found that the knowledge of renewable energy among the fishermen's group members was still lacking. After the socialisation was conducted, the results were obtained that 73.91% of participants answered questions about renewable energy with a score of sufficient to very good, while 26.09% of participants answered the same question with a score of very poor to poor. This indicates that the socialisation that have been carried out have provide an understanding of renewable energy to the majority of the fishermen's group members.
Co-Authors Ade Safitra Adela, Aulia Adhi W.A., I G.A.K. Chatur Adi W, IGAK Catur Agung Budi Muljono Agus Eka Darwinata Akbar, Panji al rafif, muhammad roid Alfandiansyah Muhammad Alhabsyi, Defi Aljibran, Aljibran Amrullah, Topaarana Armansyah, Ismayadi Arofa, Muhammad Satriaji Astuti, Luviana Aulia Adela Ayu Sri Adnyani, Ida Bagas Briantara Putra Wiwaha Bagus Fery Citarsa, Ida Bagus S, I Gusti Agung Bagus Widhi Dharma S Baihaki, Ahmad Riki Bianti, Baiq Asri Briantara Putra Wiwaha, Bagas Ch, Syafarudin Cipta Ramadhani Destiarani Djul Fikry Budiman, Djul Fikry Djul Fikry, Budiman Fetrosia, Riska Fitrirayani, Gadis Ariva Gina Maulina, Nur Gunawan M. Idris Hakim, Rosliana Hamzan, Muhammad Abdulloh Harjian, M Rivaldy I G.A.K Chatur Adhi W.A. I G.A.K. Chatur I Gede Bawa Susana I Kade Wiratama, I Kade I Ketut Perdana Putra I Ketut Perdana Putra I Made Ari Nrartha I Made Budi Suksmadana I Made Budi Suksmadana I Made Budi Suksmadana I Made Deny Saputra Adiyas I Made Ginarsa I Made Mara I N Satya Kumara I Nyoman Wahyu S I Nyoman Wahyu Satiawa I Nyoman Wahyu Satiawan I Nyoman Wahyu Satiawan I Nyoman Wahyu Satiawan I Nyoman Wahyu Satiawan I Satiawan I Suksmadana I Wayan Joniarta I Wayan, Joniarta I.A.Sri Adnyani IB Ferry Citarsa Ida Ayu Dwi Giriantari Ida Ayu Sri Adnyani Ida Bagus Alit Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Ida Citarsa Ida Made Widyatana IDK Okariawan, IDK IN Wahyu Satiawan Islam, Muh Izzul Khairul Muamalah Laily, Zahratul Legowo, Suanggoro Lie Jasa Made Budi Suksmadana Made Budi Suksmadana, I Made Sutha Yadnya Mekar Sari Melinda Ade Kantari Mohan V. Aware Muh. Izzul Islam Muhamad Aswin Yusrih, Aditama Muhamad Nanang Indrajaya Saputra Muhammad Arif Fitriyono Muladi, Sofian Ichsan Mursidin Syaefa Nababan, Sabar Natrsir, Abdul Natsir, Abdul Ni Made Seniari Ni Made Seniari Ningrat, Lalu Fayadh Rusya Nizar, Fahrun nugraha, gede raka Pebrina, Tria Rizki Perdana Putra, I Ketut Pratama, Sugi Artha Putra, I Ketut Perdana Putri, I Gusti Ayu Siwantrini Utari R.H Sianipar Ramadhani Ramadhani Rasidin, Eka Handika Rismon H. Sianipar Rosliana Hakim Ryan Pratama Sabar Nababan Safitra, Ade Saputra Saputra satiawan, nyoman wahyu Seniari, Ni Made Setiawati, Mita Sianipar21, Rismon H. Sri Hartati Sri Kusmiati Sri Maryati Suanggoro Legowo Suksmadana, I Made Budi sultan Sultan Sultan Sumawarti Sumawarti Supriatna Supriono Supriono Supriono . Supriono Supriono Supriono Supriono Supriono Supriono Supriono Supriono Supriyatna Supriyatna Supriyatna Supriyatna Supriyatna Syahfitri, Dian Aulia Umar, Ahmad Wahyu Satiawan Wahyu Satiawan , I Nyoman Wahyu Satiawan, I Nyoman Wahyuni, Mila Wardatul Annisak Warindi Warindi D Widana, Arya Kusuma Wirya Aryadi, I Gusti Agung Ketut Chatur Adhi Yazid Albuston, Toni