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Fault Detection Experiment of Unbalanced Voltage and Air Gap Eccentricity on Induction Motor Using a Flux Sensor Husnah, Nurul; Asfani, Dimas Anton; Negara, I Made Yulistya
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 7, No 1 (2023): January
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/jaree.v7i1.340

Abstract

Abstract— The induction motor is one of the popular equipment used in various types of industrial sectors. It is necessary to monitor the condition of the induction motor to maintain its safety and performance of the induction motor. The most common damage to the induction motor is bearing failure reaches 40% resulting in air gap eccentricity. Most of the research to detect the occurrence of air gap eccentricity is carried out based on the analysis of motor current signals. To overcome the disadvantages of the above methods, the detection of air gap eccentricity using a sensor flux that can detect leakage flux from the motor body and the fault detection results by measuring the flux signal analyzed. Flux analysis using the Fast Fourier Transform (FFT) algorithm in balanced and unbalanced voltage conditions. Induction motor failure analysis compared normal motor conditions with an eccentricity of 0.1 mm and 0.2 mm. Eccentricity detection is done by monitoring the amplitude that emerges in the frequency spectrum with notice of the threshold. Detection results from the eccentricity fault showed that success is detected 100% using a sensor flux on unbalanced voltage (under voltage 5%) at a full-load condition.
Evaluasi Performa Filter Daya Aktif 3 Fasa 4 Lengan untuk Beban Area Bisnis Rukmana, Maman; Priyadi, Ardyono; Rizqiawan, Arwindra; Rachmildha, Tri Desmana; Sitorus, Philip Nathanael Erlangga; Asfani, Dimas Anton; Negara, I Made Yulistya
Prosiding Seminar Nasional Teknik Elektro, Sistem Informasi, dan Teknik Informatika (SNESTIK) 2025: SNESTIK V
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/p.snestik.2025.7138

Abstract

Peningkatan konsumsi energi pada konsumen listrik sektor bisnis menyebabkan semakin banyaknya beban non-liner berupa rectifier satu fasa yang menghasilkan harmonik. Injeksi harmonik arus menyebabkan terjadinya distorsi bentuk gelombang tegangan sistem, pemanasan berlebih pada mesin listrik dan kegagalan peralatan sensitif. Salah satu cara untuk menanggulangi masalah harmonik adalah dengan memasang filter daya aktif secara paralel. Filter daya aktif paralel dapat menghilangkan harmonik dan menyeimbangkan beban. Penelitian ini bertujuan untuk mengevaluasi performa filter daya aktif pada sistem 3 fasa 4 kawat untuk mengatasi harmonik arus yang disebabkan oleh beban non-linier pada konsumen listrik area bisnis. Filter daya aktif bertugas untuk menginjeksikan komponen daya aktif osilasi, daya reaktif dan daya aktif urutan nol ke dalam beban. Sehingga sumber hanya menginjeksikan komponen daya aktif rata-rata ke dalam beban. Dengan menggunakan teori daya instantaneous, hasil simulasi menunjukkan bahwa filter daya aktif berhasil menurunkan THD arus, arus pada sumber bersifat sinusoidal dan seimbang.