Vol. 13 No. 1 (2026): April 2026

This issue has been available online since 25th April 2026 for the regular issue of April 2026. All articles in this issue were authored/co-authored by 21 authors from 3 countries (Indonesia, Netherland, and Thailand).

DOI: https://doi.org/10.31963/intek.vi

Published: 2026-04-25

ARTICLES

Analysis of Spindle Speed Influence on Surface Roughness and HSS-Co Tool Vibration in The Turning of ST 41 Steel Using the Taguchi Method

Armin Frayatno Patengko, Musa Bondaris Palung, Nitha Nitha

1-14
- pdf
DOI: https://doi.org/10.31963/intek.v12i2.5923
Development of a Current Signal Based Model for High Impedance Fault Identification in Power Systems

Andi Syarifuddin, Muhammad Nawir, Amelya Indah Pratiwi, Hariani Ma’tang Pakka

15-26
- pdf
DOI: https://doi.org/10.31963/intek.v13i1.5995
The Effect of Variations in Cutting Tool Material Type and Spindle Rotation Speed (RPM) on Surface Roughness Level of Turned Work

Syahrisal Syahrisal, Mahadir Sirman, Muhammad Habibi, Nany Arjani, Rusdi Nur, Nurhidayanti Nurhidayanti

27-36
- pdf
DOI: https://doi.org/10.31963/intek.v13i1.6003
Techno-Economic Optimization of Rooftop Photovoltaic Systems Using Genetic Algorithm for Government Building Kemenko 3 in Nusantara Capital City

Ayu Fitriah Sapruddin, Muhammad Yusuf Yunus, Dieta Wahyu Asry Ningtias, Nurriza Kholifatulloh Hasanah, Diyono Diyono

37-48
- pdf
DOI: https://doi.org/10.31963/intek.v13i1.6351
Calculating Porosity and Permeability Values to Assess Pore Distribution with the Mercury Injection Capillary Pressure Technique

Eko Prastio

49-55
- pdf
DOI: https://doi.org/10.31963/intek.v13i1.6355
Application of the Water-Supported Deep-Frying System for Extending Oil Service Life and Mitigating Lipid Degradation in Small- Scale Commercial Vegetable Crisp Rice

Naksit Panyoyai, Vilia Paramita

56-59
- pdf
DOI: https://doi.org/10.31963/intek.v13i1.6385