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Saepudin, Asep
Sekolah Tinggi Teknologi Muhammadiyah Cileungsi
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Journal : Journal of Engineering and Scientific Research (JESR)

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Sweep Frequency Response Analysis for Assessment Deformation Core at Power Transformer Wilarso, Wilarso; Saepudin, Asep; Sholih, Hilman; Dharmanto, Asep
Journal of Engineering and Scientific Research Vol. 6 No. 2 (2024)
Publisher : Faculty of Engineering, Universitas Lampung Jl. Soemantri Brojonegoro No.1 Bandar Lampung, Indonesia 35141

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jesr.v6i2.156

Abstract

SFRA (Sweep Frequency Response Analysis) is a transportation test where one of the purposes of this test is to ensure that the core of the power transformer does not shift due to the journey from the factory to the field. The SFRA testing is divided into 4 frequency range areas from 20 Hz to 20 MHz and this research is focused on the frequency range below 2 KHz, based on experience at this frequency to check transformer core problems and specific failures in shifting power transformer cores. Based on the comparison results of SFRA testing carried out at the power transformer factory during the FAT (Factory Assessment Test) with testing in the field during the first SAT (Site Assessment Test) and with the second SAT testing, there are differences in the frequency area below 2 KHz, this shows that there is a problem in the area power transformer core, before drawing a final conclusion that there is a problem or deformation in the transformer core, you must look at the results of other tests carried out in the field such as ratio test, winding resistance test, tangent delta test, excitation current test, insulation resistance (megger test). ) winding and core-frame as well as impact recorder data during the journey from the factory to the field. If all other field test results are good then the power transformer is still in good condition and ready to operate and the difference in the graph at a frequency of less than 2 KHz in the SFRA test during SAT compared to when FAT is likely to be caused by residual magnetism that is still on the core side due to testing. DC before or. Residual magnetism can occur due to static electrical phenomena due to the oil purification process or due to the induction effect of the network grounding system where the power transformer is placed
Co-Authors Ace Suryadi Achmad Hufad Adhha, Nurul Ahmad Faqih Aji Setiawan Ali Hamzah Anisa, Risma Nur Apriani, Tasia ardhayaguna, Daffa Nur Ari Bramasto Aris Setiawan Arsadani, Qosim Asep Dharmanto Aswin Domodite Aswin Domodite Avrilliany, Eka Awang Surya Awang Surya Ayi Astuti Ayubia, Putri Nayla Az Zahra, Puti Babang Robandi Badriatin, Tine Bambang Yulianto Bayu Wijayanto Bidayati, Kholis Ce Gunawan Cucu Sukmana, Cucu Dean Subhan Saleh Deni Deni Dharmanto, Asep Djohan Djohan Domodite, Aswin Elih Sudiapermana, Elih Fahira, Salma Fahmi Abdillah, Ahmad Fahri, Muhamad Fathurrahman Djamil Fauzi Ramdani Fitriaji, Abdul Azis Gifthera Dwilestari Hanim, Faridah Hardiyanto, Wawan Hasanah, Viena Rusmiati Hazmi, Raju Moh Hengky_agus, khurotul_aini Hilman Sholih Hilman Sholih Hilman Sholih Ihat Hatimah Ihrom Jaelani Iip Saripah, Iip Jaelani Syurdiansyah Jajat S Ardiwinata, Jajat S Jakaria Jakaria Kartanegara, Haruman Taufik Khoidul Umam Khopipah, Tsania Siti Lubis, Amany B. Lucky Radi Rinandiyana Madinah, Dzahra Al Makhsun, Makhsun Masingboon, Khemaradee Masitoh, Noneng Maspupah, Siti Mobo, Froilan Delute Mohamad Anas Sobarnas Muhammad Amin Suma Muizzudin, Moh Mustofa Kamil, Mustofa Muzaki, Kiki Adnan Nugroho, Aji Santoso Nurfadhilla, Mursyida nurhamim, nurhamim Nursahidin Nursahidin, Nursahidin NURUL HAYATI Ockativian, Rizky Ferari Permana, Elih Sudia Pracoyo, Wisnu Pradessa, Steven Getha Prahara, Rahma Sandhi Pramudia, Joni Rahmat Priana, Pajar Purnomo Purnomo Rachman, Ditto Saepoel Raharja Rahman, Amelia Fauziyah Rahmanda, Gita Astyka Rahmat Pangestu, Rahmat Rajessa, Ray Virana Rian Setiawan Rindiani, Ani Rosmia, Ade Romi Rudi Indrawan Sahara, Ari Sardin Satoto, Angga Bimo Sholeh, M. Asrorun Niam Sholih, Hilman Siswati Siswati Solihah, Eneng Sri Dewi Anggadini Sriyono Sriyono Subuh, Subuh Sunardi, Stanislaus Supriatna, Dede Ahmad Surtikanti Surtikanti Suryadi Suryadi Suryadi Sutisna, Rizki Entis Taswanda Taryo Tati Ruhmawati Umar Tsani Abdurrahman Upay Ripa’I Uyu Wahyudin Wahyudi, Kristanto Wahyudi, Uyu Widyastuti, Ipuk Wilarso, Wilarso Wisnu Pracoyo Yahya, Faridah Hanim Yanti Shantini, Yanti Yasin, Yuli Yusmanto Yusmanto