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All Journal Jurnal technoscientia Jurnal Teknologi Journal of Appropriate Technology for Community Services JURNAL TEKNOLOGI TECHNOSCIENTIA Prosiding SNAST Jurnal Teknologi
Slamet Hani
Institut Sains & Teknologi AKPRIND Yogyakarta
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : jurnal teknologi technoscientia

 1 
SISTEM PENTANAHAN SWITCHYARD DENGAN KISI-KISI (GRID) PADA GARDU INDUK 150 KV BANTUL Slamet Hani
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 10 No 1 Agustus 2017
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v10i1.82

Abstract

The substation has a great possibility of experiencing a hazard caused by the disturbance of lightning and overcurrent so that the current disturbance flows to the ground as a result of the insulation of equipment that is not functioning properly. One of the security systems on the substation is grounding. The grounding system is a delivery system that connects the system, equipment and installation bodies with the earth / ground so as to secure the human from electric shock, and secure the installation components from the dangers of abnormal voltage / currents. Therefore, research is conducted with respect to the grid earthing system on the Switchfield Substation (GI) switchyard. The research applies some data retrieval methods, namely: Literature study method, covering the studying literature related to earth system in switchyard area of ​​150 kV Bantul, and litrature related to earth type resistance calculation, soil type resistance, type of system earth, and type of electrode used. Based on the result of the analysis of the value of ground grid of Substation in Bantul is 0,527 Ohm. Or the difference in value of 0.043 Ohm or 7.54% smaller than the measurement value of 0.57 Ohm. Touch tension value of 207.5 Volts for people weighing 70kg, and 153.3V for weight 50Kg. with the actual maximum touch voltage value of 261.53 Volts. The step voltage value of 288.7 Volts for people weighing 70kg, and 213.3V for weight 50Kg. with an actual maximum step voltage value of 857.4 Volts.
PENGUJIAN TEGANGAN TEMBUS PADA ISOLASI RUBBER DALAM RENDAMAN MINYAK Slamet Hani
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 9 No 1 Agustus 2016
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v9i1.152

Abstract

Insulation materials used to secure the power lines must be guaranteed in advance to endure, and perform as expecled. Insulation materials fatal failure in the operation of electric power, as it will cause the cessation of service.Those problems be a very interesting experiment, in this study will be carried out tests on the insulation tape made from rubber. Tests will be carried out in open air conditions and immersed in transformer oil. The testing focused on aspects of the thickness of the specimen.After testing that the test results of high voltage states, in the open air breakdown voltage greater because of the thickness affects the breakdown voltage. And when soaked breakdown voltage value decreases due to the ugly rubber chemical properties of oil resistance and solvent resistance.Insulating tape Scotch ™ 130C Linerless Rubber Splicing Tape 3M production has a breakdown voltage of 22 888 V in the open air with a thickness of 0.762 mm and 25 833 V transformer oil in a bath with a thickness of 0.762 mm for 20 minutes immersion.
Co-Authors Gatot Santoso Muhamad Wahyu Firmansyah