Abstract
<p><em>The research was conducted to determine the efficiency of electric motors with soft magnetic composite and laminate by used software Ansys Maxwell. Soft magnetic composite material which was given 4, 5, and 6 tons of compaction pressure from previous research performed to fill the input data on electric motor efficiency simulation. The used datas were hysterisis curve which are resulted of VSM (Vibrating Sample Magnetometer) testing. Ansys Maxwell Rmxprt was used to simulate efficiency of electric motor. The results of Ansys Maxwell Rmxprt simulation were a relation curve between the efficiency and the rotation of the electric motor. The results simulation of efficiency electric motor using soft magnetic composite core furthermore compared to the efficiency value of electric motor using laminate core. The results showed that the efficiency value of electric motor with soft magnetic composite with compacting pressure 4, 5 and 6 tons was 89,94 %, 89,97 %, and 90,62 %</em> <em>respectively. Efficiency value of electric motor with core laminate material was 91,22</em> <em>%. The simulation showed that the value of a compaction pressure given on soft magnetic composite material affect on the efficiency of electrical motor. As a conclusion of this research that the efficiency value of electric motor trend increase with the value of compacting pressure on the material. </em></p>
Highlights
Baja merupakan material yang banyak (ANTF) diperoleh nilai kekerasan tertinggi yaitu digunakan dalam bidang industri, karena mudah
The results shows that the heating torch velocity at speed 10 mm/min was the most optimal parameter
S. Nugroho, “Pengaruh Kecepatan Torch dan Jenis Nyala Api Terhadap Kekerasan Permukaan Baja Karbon Pada Proses Automatic Flame Hardening,” Surakarta, 2009
Summary
Bahan Bahan yang digunakan pada penelitian ini yaitu material baja karbon medium dengan kadar karbon sebesar 0,505%. Fabrikasi Proses flame hardening dilakukan secara otomatis menggunakan alat automatic flame hardening seperti yang ditunjukkan pada gambar 1. Dalam tahap pengujian ini dilakukan uji tarik, uji keras mikro Vickers, dan pengujian struktur mikro pada spesimen yang telah dilakukan proses flame hardening. Pengujian tarik dilakukan menggunakan alat UTM untuk mengetahui kekuatan tarik, elongasi, dan ketangguhan material. Spesimen dibuat sesuai dimensi ukuran dan bentuk sesuai standar [3], seperti ditunjukkan pada Gambar 2. Titik pembebanan indentor (a) Tampak samping kiri, (b) Tampak atas Pengujian struktur mikro dilakukan dengan persiapan spesimen terlebih dahulu. Setelah permukaan benar-benar bersih, spesimen dietsa menggunakan keller reagen nital 2 % yang bertujuan untuk mengkorosi/pengikisan batas butir secara selektif supaya struktur yang diamati terlihat jelas. Fokuskan jarak antara lensa obyektif dengan permukaan spesimen, lalu membuat sketsa hasil pengamatan dari setiap spesimen
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