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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) Teknika INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Syntax Literate: Jurnal Ilmiah Indonesia KACANEGARA Jurnal Pengabdian pada Masyarakat JE-Unisla Indonesian Journal of Electrical Engineering and Computer Science Indonesian Journal of Engineering and Technology (INAJET) INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) IJORER : International Journal of Recent Educational Research Jurnal Teknik Elektro (JTE) PROFICIO: Jurnal Pengabdian Masyarakat Indonesian Journal of Multidiciplinary Research (IJoMR) Abimanyu: Journal of Community Engagement Tarbiyah Wa Ta'lim: Jurnal Penelitian Pendidikan dan Pembelajaran Jurnal Sains dan Teknologi Jurnal Elektronika dan Teknik Informatika Terapan IT-Edu: Jurnal Information Technology and Education
Unit Three Kartini
Universitas Negeri Surabaya
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Hybrid KNN-LSTM Modeling for Short-Term Feeder Peak Load Forecasting Muhammad, Yasyfin Nur; Kartini, Unit Three; Peni, Hapsari
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v10i4.58191

Abstract

Load forecasting is important in power system planning and management. Accurate forecasting is key in maintaining the balance of energy supply and demand. This research develops a hybrid KNN-LSTM method for load forecasting using historical load and voltage data. KNN is used in finding local patterns and LSTM is used in capturing long-term patterns. The result is that the KNN-LSTM method provides MSE 30289.4952, RSME 174.0387, and MAE 98.9081. These results are better than the KNN and LSTM methods alone. In addition, by adding the voltage feature, the prediction result increases by 50.5%. Keywords: Load forecasting, KNN, LSTM, KNN-LSTM
Modeling of Fault Alarm Monitoring System on IoT-Based Control Panel Alarm Annunciator Saputra, Ramadhan Dwi; Haryudo, Subuh Isnur; Tjahyaningtijas, Raden Roro Hapsari Peni Agustin; Kartini, Unit Three
invotek Vol 24 No 1 (2024): INVOTEK: Jurnal Inovasi Vokasional dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/invotek.v24i1.1175

Abstract

The existence of substation operators is essential for monitoring substation equipment and operating control rooms. In addition, substation operators also have other tasks, such as inspecting substation equipment in the switchyard or in-service inspection (Level 1 inspection). This condition is less than ideal because the operator cannot monitor the control room continuously while in the switchyard. The control panel at the substation is equipped with an alarm annunciator, which is auxiliary equipment that serves to provide warning signs to the operator regarding which protection functions are working. Therefore, it is necessary to have a monitoring system that can provide real-time information about the condition of the control panel alarm annunciator. This research models a fault alarm monitoring system that can provide notification messages according to the type of fault automatically through the Telegram application. The system test results show the average value of 100 test data on the five types of fault, resulting in an accuracy rate of 100%, a precision rate of 100%, a recall rate of 100%, an error rate of 0%, and an F1-score rate of 100%. This is because all test data on the five types of fault were detected correctly, and no test data from other types of fault was detected as the five types of fault. Based on these averages, it can be concluded that using a confusion matrix to measure the performance of the fault alarm monitoring system on the IoT-based control panel annunciator alarm shows excellent system performance results.
Design of an IoT-Based Automatic Switching and Monitoring System for Hybrid Power Plants Aguska, Anggi; Haryudo, Subuh Isnur; Kartini, Unit Three; Rohman, Miftahur
invotek Vol 24 No 1 (2024): INVOTEK: Jurnal Inovasi Vokasional dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/invotek.v24i1.1179

Abstract

Hybrid power generation, a power plant that combines two or more plants, continues to grow along with technological advances. The performance of these power plants relies heavily on effective switching and monitoring systems. Monitoring data is critical in maintenance scheduling, preventive intervention, and the timely identification and assessment of environmental changes. One of the switching and monitoring technologies integrated with the Internet is the Internet of Things (IoT) technology. This study introduces a system design capable of wirelessly performing switching operations and transmitting real-time data to a hybrid power plant monitoring system through an application. Test results demonstrate that the system successfully executes automatic switching between the hybrid power plant and the PLN electricity grid based on accumulator voltage thresholds. The monitoring data analysis reveals MAPE values of 2.959% and 3.577% for the voltage and current of the hybrid power plant, and a MAPE of 1% for the accumulator voltage. The voltage and load current readings also exhibit MAPEs of 0.604% and 8.625%. Based on the test results, it can be concluded that this device shows the ability of the system to automate the switching of resources to the load and monitor the hybrid power plant very well, with the smallest MAPE value achieved of 0.604%.
PEMANFAATAN PUBLISH OR PERISH DAN CHAT GPT UNTUK GURU SMK KETINTANG DALAM PENINGKATAN PENULISAN REFERENSI JURNAL Baskoro, Farid; I Gusti Putu Asto; Ismet Basuki; Unit Three Kartini; Ibrohim; Rifqi Firmansyah
Jurnal Pengabdian Masyarakat FKIP UTP Vol 7 No 1 (2026): PROFICIO : Jurnal Abdimas FKIP UTP
Publisher : FKIP UNIVERSITAS TUNAS PEMBANGUNAN SURAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jpf.v7i1.5586

Abstract

Penelitian ini bertujuan untuk meningkatkan keterampilan penulisan referensi jurnal bagi guru SMK Ketintang Surabaya dengan memanfaatkan teknologi Publish or Perish dan Chat GPT. Kegiatan Pengabdian Kepada Masyarakat (PKM) yang dilakukan meliputi survei awal untuk mengidentifikasi kebutuhan peserta, pelatihan penggunaan teknologi untuk pencarian dan penyusunan referensi, serta sesi tanya jawab dan diskusi untuk memperdalam pemahaman. Hasil pelatihan menunjukkan peningkatan yang signifikan dalam berbagai aspek keterampilan. Sebelum pelatihan, pemahaman peserta tentang cara mencari referensi jurnal hanya mencapai 40%, namun setelah pelatihan meningkat menjadi 85%. Kemampuan menggunakan Publish or Perish dan menyusun referensi sesuai format sitasi juga meningkat dari 25% menjadi 80% dan dari 35% menjadi 90%, berturut-turut. Kepercayaan diri peserta dalam menulis referensi jurnal meningkat dari 30% menjadi 85%, serta keterampilan menggunakan Chat GPT untuk mengedit referensi meningkat dari 20% menjadi 75%. Hasil ini menunjukkan bahwa pelatihan berhasil mencapai tujuannya dan memberikan dampak positif dalam meningkatkan kualitas penulisan referensi jurnal bagi guru. Penggunaan teknologi dalam pendidikan terbukti efektif untuk mendukung pengembangan profesional guru dan meningkatkan kualitas pengajaran serta penelitian di lingkungan pendidikan.
PORTABLE SOLAR CELL SEBAGAI SUMBER ENERGI PERALATAN ELEKTRIK DAN PENERANGAN DI KECAMATAN KOKOP MADURA Nurhayati, Nurhayati; Mohammad As'ad Rosyadi; Unit Three Kartini; Akbar Izulhaq
Jurnal Pengabdian Masyarakat FKIP UTP Vol 7 No 1 (2026): PROFICIO : Jurnal Abdimas FKIP UTP
Publisher : FKIP UNIVERSITAS TUNAS PEMBANGUNAN SURAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jpf.v7i1.5646

Abstract

Pembangkit Listrik Tenaga Surya (PLTS) merupakan energi terbarukan yang ramah lingkungan dengan memanfaatkan energi alam yaitu sinar matahari sebagai sumber utama, sumber energi matahari juga dapat digunakan untuk mengatasi krisis energi yang ramah lingkungan, mengurangi pemanasan global (global warming) dan pencemaran udara. PLTS bekerja berdasarkan energi matahari akan diubah menjadi energi listrik dengan memanfaat panel surya atau solar cell. Tujuan dari kegiatan PKM ini dengan melakukan perancangan dan membuat suatu perangkat portable PLTS untuk masyarakat (dalam lingkup umum) yang berkativitas dan bekerja diluar rumah yang tidak terjangkau energi listrik. Solar cell yang digunakan berjenis polycristaline, dilengkapi SCC, baterai, satu unit box panel. Perlu juga adanya pemantauan tegangan dan arus guna memudahkan pada saat proses perawatan, perancangan alat monitoring arus dan tegangan menggunakan microcontroller arduino uno dengan pembacaan sensor. Hasil penelitian ini diharapkan dapat meningkatkan produktivitas pertanian melalui pembuatan portable solar cell yang dapat digunakan untuk sumber energi pompa untuk mengairi sawah, penerangan maupun penggerak peralatan elektrik lainnya. Dengan demikian, teknologi yang dikembangkan dapat berkontribusi dalam menciptakan sistem yang lebih ramah lingkungan, berkelanjutan, dan efisien yang dapat membantu masyarakat Kokop.
Electrical System Design for High Rise Building Based on Reliability Index Juhan Andi Praseto Aji; Bambang Suprianto; Unit Three Kartini
INSOLOGI: Jurnal Sains dan Teknologi Vol. 5 No. 1 (2026): Februari 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v5i1.7506

Abstract

The research discusses the evaluation of electrical systems in multi-storey buildings, including analysis of compliance with PUIL 2011 standards and integration of Faraday Cage-based lightning protection systems. This study focuses on the Pasar Baru Bandung Building, with the aim of assessing the efficiency and safety of the electrical system used. The research method is carried out through the stages of field observation, data collection, and data processing. Observations were made to identify electrical equipment and assess the feasibility of its use. Data collection includes load capacity and single line diagrams, which are then processed to determine the value of Strong Current Conductivity (KHA) and Drop Voltage. The results of data processing were compared with existing data and analysed based on applicable standards. The results show that the power distribution system in Pasar Baru Bandung Building has been designed with high efficiency, with organised power distribution through main panels and sub-panels. The electrical protection evaluation shows that the grounding and earthing system has met the safety standards to prevent electrical faults. In addition, lightning protection analysis with the Rolling Sphere method ensures that the building's protection against lightning strikes is at an optimal level. The benefit of this study is the comprehensive examination of the electrical system, considering power distribution, protection, and energy efficiency. Despite challenges like inaccuracies in voltage drop measurement due to factors like environmental conditions and equipment age, the research still has a significant impact on improving the safety and efficiency of electrical systems in tall buildings.
Co-Authors Achmad Imam Agung Achmad Imam Agung Adam Maulana Adi Reski Ariangga Aditya Prapanca Aguska, Anggi Akbar Izulhaq Akbar Tahir Kalbii Amarulloh, Ilham Anjar Novian Asto, I Gusti Putu At - Thariq Ramadhan Ayusta Lukita Wardani Bambang Suprianto . Budiarta, Mohammad Erwin Chatarina Umbul Wahyuni DEDDY PUTRA ARDYANSYAH DWI ARDIANTO Dwikky Sucahyo Putra DZIKRI MUHAJIR EL FAHMI Edy Sulistiyo EKA PRASETYO HIDAYAT Endryansyah Endryansyah Farid Baskoro Fendi Achmad Feri Rohman Syah Ghifari Fikri Yuviyanto Habbib Rakhasiwi Aminulloh Hapsari Peni Hernanda Setiawan I Gusti Putu Asto I Gusti Putu Asto Buditjahjanto Ibrohim Ibrohim Ichwan Dwi Wahyu Hermanto Ilham Amarulloh Ilham Cahyo Wibowo Aji Ilham Farisi Almadani Indra Iskandar Ismet Basuki Joko . Joko Joko Juhan Andi Praseto Aji Kevin Pranata Putra Khoirul Fadli Krisna Taufik Brilliansyah Kristanto, Andika Wisnu Adam Kukuh Eko Purwantoro Lailil Ika Wardani Lilik Anifah Lusia Rakhmawati M. Nanda Tri Maulana Ridwan Mahendra Widyartono Mardika Wahyu Kristanto MASVIKI AGAM Maulana Rizki Aditama Mirza Wahyu Purnama MOCH. NUR ADIWANA Mochammad Iqbal Firmansyah Mohammad As'ad Rosyadi Muhammad Fathoni Muhammad Helmy Anjab Muhammad Mujiburrahman Muhammad Rizka Ardiansyah Muhammad, Yasyfin Nur Mulya Adi Prasetiya Nining Widyah Kusnanik Nofianto Sugiarto Novian Zainun Qorif Putera Nur Kholis Nurhayati Nurhayati Nurwijayanti Pamungkas, Ivan Fahrezi Puguh Ady Mahendra Puput Wanarti Rusimamto Putra Adi Wicaksono Putri, Tiris Mega Raden Mohamad Herdian Bhakti Rani Fajriyah Islamiyati Asfah Rifqi Firmansyah Rifqi Firmansyah Rifqi Firmansyah, Rifqi Rizqi Rizal Dharmawan Roesita Dekakovi Tauba Setyawan Rois Alfikri RR. Ella Evrita Hestiandari S. Suparji Saifudin Saifudin Saputra, Ramadhan Dwi Sari Cahyaningtias Septian, Bahrul Anas Subuh Isnur Haryudo Syamsul Muarif Tedy Muhammadhy Tjahyaningtijas, Raden Roro Hapsari Peni Agustin Tri Rijanto Tri Wrahatnolo Tulende, James ULIN NIKMATUL CHOIROH W. Wasis Wahyu Tri Handoko WELBI RENALDI SUKRISNA widi . aribowo Widi Aribowo widi aribowo Widi Ariwibowo Wildan Arif Billahi WRAHATNOLO, TRI Yanuarius Kristian Wibisono Yuli Sutoto Nugroho Yusuf Rony Rony Yusuf, M. Yusuf Isbakhtiar