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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 Journal of Electrical Engineering and Computer (JEECOM) Action Research Literate (ARL) Indonesian Journal of Health Science 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 Gotong Royong ELECTROPS : Jurnal Ilmiah Teknik Elektro Jurnal Wicara Desa
I Ketut Wiryajati
Program Studi Teknik Elektro, Fakultas Teknik, Universitas Mataram, Indonesia
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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.
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 (2026): 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.
Analisis Respon Dinamis dan Distorsi Harmonisa pada Inverter NPC Satu Fasa Menggunakan Multicarrier PWM I Ketut Wiryajati; Ida Ayu Sri Adnyani; I Ketut Perdana Putra; I G A K Chatur Adhi Wirya Aryadi
Sci-tech Journal Vol. 5 No. 1 (2026): Sci-Tech Journal (STJ)
Publisher : MES Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56709/stj.v5i1.1160

Abstract

This study presents the performance analysis of a single-phase Neutral Point Clamped (NPC) inverter using the multicarrier pulse width modulation (PWM) technique based on MATLAB/Simulink simulation. The inverter system employs eight semiconductor switches controlled through multilevel PWM modulation to produce an AC output waveform close to sinusoidal characteristics. Performance evaluation was conducted through statistical analysis of output voltage and current, transient response, dynamic response, and harmonic distortion analysis. The simulation results show that the inverter produces relatively stable voltage and current waveforms with symmetrical characteristics between positive and negative cycles. The output voltage achieved a maximum value of 45.86 V with an RMS value of 31.02 V. The system also demonstrated a relatively fast dynamic response with rise time and fall time values of 3.768 ms. However, FFT analysis indicated that the Total Harmonic Distortion (THD) remained relatively high at 42.93%. Therefore, optimization of switching frequency, control methods, and LC filter design is required to improve power quality performance.
Investigasi Strategi PODPWM dan APODPWM untuk Meminimalkan Total Harmonic Distortion pada Sistem Inverter Tiga Fasa I Ketut Wiryajati; I Nyoman Wahyu Satiawan; Ni Made Seniari
ELECTROPS : Jurnal Ilmiah Teknik Elektro Vol 4, No 2 (2025): ELECTROPS : Jurnal Ilmiah Teknik Elektro
Publisher : Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/electrops.v4i2.22845

Abstract

Penelitian ini membahas analisis kinerja dua strategi modulasi pulsa lebar (PWM), yaitu Phase Opposition Disposition PWM (PODPWM) dan Alternate Phase Opposition Disposition PWM (APODPWM), dalam upaya meminimalkan Total Harmonic Distortion (THD) pada sistem inverter tiga fasa. Simulasi dilakukan menggunakan MATLAB/Simulink dengan parameter identik untuk kedua metode, mencakup tegangan DC sebesar 100 V, frekuensi pembawa 5 kHz, dan beban R–L. Analisis dilakukan terhadap bentuk gelombang keluaran, spektrum harmonisa, dan nilai THD berdasarkan hasil Fast Fourier Transform (FFT). Hasil menunjukkan bahwa metode APODPWM secara konsisten menghasilkan nilai THD yang lebih rendah dibandingkan PODPWM pada seluruh rentang indeks modulasi. Pada Ma=1.0, THD PODPWM mencapai 10%, sedangkan APODPWM hanya 8,3%. Setelah diterapkan filter LC (L = 5 mH, C = 22 μF), nilai THD menurun drastis menjadi 2,1% untuk PODPWM dan 1,2% untuk APODPWM, memenuhi batas standar IEEE Std. 519-2014. Selain itu, APODPWM menunjukkan bentuk gelombang keluaran yang lebih halus dan nilai RMS tegangan yang lebih tinggi, menandakan efisiensi konversi daya yang lebih baik. Hasil penelitian ini menegaskan bahwa strategi APODPWM lebih unggul dalam menghasilkan kualitas daya yang tinggi pada inverter tiga fasa dan dapat diimplementasikan secara efektif pada sistem penggerak motor, konversi energi terbarukan, serta kendaraan listrik.
Sosialisasi Metode 5R Dalam Pengolahan Tembakau : Efisiensi, Mutu, dan Keberlanjutan I Ketut Wiryajati; Ismayadi Armansyah; Tria Rizki
Gotong Royong Vol. 3 No. 2 (2026)
Publisher : CV. Akira Java Bulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63935/gr.v3i2.335

Abstract

Program pengabdian kepada masyarakat ini dilaksanakan di Desa Sambelia, Kabupaten Lombok Timur, yang dikenal sebagai salah satu daerah penghasil tembakau, dengan fokus pada penerapan sistem 5R (Seiri – Ringkas, Seiton – Rapi, Seiso – Resik, Seiketsu – Rawat, Shitsuke – Rajin). Tujuan utama program ini adalah meningkatkan efisiensi, kualitas produk, dan keberlanjutan dalam pengolahan tembakau lokal. Program ini melibatkan kelompok tani dan usaha mikro, kecil, dan menengah (UMKM) yang bergerak dalam penanganan pascapanen dan pengolahan tembakau. Metode yang digunakan adalah Participatory Action Research (PAR) atau Penelitian Tindakan Partisipatif, yang menekankan partisipasi aktif mitra melalui kegiatan sosialisasi, pelatihan, implementasi langsung, serta pemantauan dan evaluasi berkelanjutan. Kegiatan yang dilakukan meliputi pengenalan konsep 5R, penataan ulang tata letak ruang kerja, pembersihan area produksi, perawatan peralatan, serta pengembangan budaya disiplin kerja. Evaluasi dilakukan menggunakan indikator seperti efisiensi waktu kerja, pengelolaan limbah, dan konsistensi kualitas produk. Hasil kegiatan menunjukkan peningkatan yang signifikan pada seluruh aspek yang dievaluasi. Efisiensi kerja dan produktivitas pekerja meningkat dari skor 2 menjadi 4, kualitas produk meningkat dari 3 menjadi 4, kebersihan lingkungan kerja meningkat dari 2 menjadi 5, dan pengelolaan limbah meningkat dari 2 menjadi 4. Secara rata-rata, setiap aspek mengalami peningkatan sebesar dua poin. Penerapan sistem 5R tidak hanya meningkatkan kinerja teknis, tetapi juga menumbuhkan kesadaran akan pentingnya keberlanjutan. Oleh karena itu, sistem 5R berpotensi menjadi budaya kerja yang berkelanjutan dan dapat direplikasi di daerah penghasil tembakau lainnya.
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 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 Chatur Adhi Wirya Aryadi I G A K Chatur Adhi Wirya Aryadi 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 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 I.M. Mara IB Ferry Citarsa Ida Ayu Dwi Giriantari Ida Ayu Sri Adnyani 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 Ismayadi Armansyah Khairul Muamalah Laily, Zahratul Legowo, Suanggoro Lie Jasa Made Budi Suksmadana 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 nyoman wahyu satiawan 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 Supriono Supriono Supriyatna Supriyatna Supriyatna Supriyatna Syahfitri, Dian Aulia Tria Rizki 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