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All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnal IPTEK Ketenagalistrikan dan Energi Terbarukan
Puji Widiyanto, Puji
Indonesian Institute of Sciences
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Mechanical Engineering

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PERANCANGAN DAN ANALISIS ROTOR MOTOR MAGNET PERMANEN UNTUK APLIKASI MOBIL LISTRIK / HIBRID ; DESIGN AND ANALYSIS OF PERMANENT MAGNET MOTOR ROTOR APPLICATION FOR ELECTRIC CARS/HYBRID Hikmawan, Muhammad Fathul; Widiyanto, Puji
Ketenagalistrikan dan Energi Terbarukan Vol 15, No 1 (2016): KETENAGALISTRIKAN DAN ENERGI TERBARUKAN
Publisher : P3TKEBTKE

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Perancangan rotor merupakan bagian terpenting dalam proses perancangan komponen mekanik se-buah motor listrik, karena sangat menentukan performa dan umur mesin. Dalam makalah ini dirancang sebuah rotor untuk motor listrik magnet permanen dengan spesifikasi 18 kW, 6 kutub, dan kecepatan nominal 6000 rpm. Merujuk pada spesifikasi tersebut, maka diameter terkecil poros rotor dapat diperoleh, yaitu 38 mm. Dalam proses pemilihan bearing diameter terkecil poros digunakan sebagai acuan. Jenis bearing yang dipilih adalah 6308 LLB, mampu digunakan selama 5 tahun dengan asumsi motor bekerja selama 15 jam/ hari. Pada tahap akhir dilakukan validasi menggunakan software ANSYS untuk mengetahui apakah kekuatan struktur rotor sudah memenuhi spesifikasi. Hasil simu-lasi menunjukkan bahwa tegangan maksimum yang terjadi pada rotor 2,7643x107 N/m2 lebih kecil dibanding tegangan ijin maksimum bahan 1,6x108 N/m2. Hal ini menunjukkan bahwa po-ros yang dirancang dapat beroperasi dengan aman pada spesifikasi yang ditentukan.The Rotor design is an important part in mechanical components design process of the electric motor, because it largely determines the performance and lifetime of the engine. In this paper rotor of the permanent magnet electric motor, with the specification 18 kW , 6 poles , and 6000 rpm nominal speed was designed. According to the specification, so the smallest rotor shaft diameter can be ob-tained, that is 38 mm. In bearing selection process, the smallest rotor shaft diameter used as a refer-ence . Bearing type chosen is 6308 LLB, can be used for 5 years, assuming the motor to work for 15 hours / day. At the final stage of validation was done using ANSYS software to determine whether the strength of the rotor structure meets the specifications. Simulation results show that the maximum stress occurs at rotor 2,7643x107 N / m 2 is smaller than the material maximum allowable stress 1,6x108 N / m 2. This indicates that the shaft is designed to operate safely on the prescribed specifications.
Load characteristic analysis of a double-side internal coreless stator axial flux PMG Wirtayasa, Ketut; Irasari, Pudji; Kasim, Muhammad; Widiyanto, Puji; Hikmawan, Muhammad Fathul
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 10, No 1 (2019)
Publisher : Research Centre for Electrical Power and Mechatronics, Indonesian Istitutes of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2867.192 KB) | DOI: 10.14203/j.mev.2019.v10.17-23

Abstract

The main issue of using a permanent magnet in electric machines is the presence of cogging torque. Several methods have been introduced to eliminate it, one of which is by employing a coreless stator. In this paper, the load characteristic analysis of the double-side internal coreless stator axial flux permanent magnet generator with the specification of 1 kW, 220 V, 50 Hz, 300 rpm and 1 phase is discussed. The purpose is to learn the effect of the load to the generator performance, particularly the output power, efficiency and voltage regulation. The design and analysis are conducted analytically and numerically with two types of simulated loads, pure resistive and resistive-inductive in series. Each type of load provides power factor 1 and 0.85 respectively. The simulation results show that when loaded with resistive load, the generator gives a better performance at the output power (1,241 W) and efficiency (91 %), whereas a better voltage regulator (5.86 %) is achieved when it is loaded with impedance. Since the difference in the value of each parameter being compared is relatively small, it can be concluded that the generator represents good performance in both loads.
Torque Characteristic Analysis of Outer Rotor Permanent Magnet Generator for Low Head Hydro Power Application Irasari, Pudji; Hikmawan, Muhammad Fathul; Widiyanto, Puji
Jurnal IPTEK Vol 23, No 2 (2019)
Publisher : LPPM Institut Teknologi Adhi Tama Surabaya (ITATS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.iptek.2019.v23i2.524

Abstract

This paper analyzes the torque characteristics of outer rotor PMG for low head hydro power application. The aim is to prevent the generator torque from exceeding the turbine torque as the prime mover so that the system can work properly in both start and steady state conditions. The PMG is of outer rotor type and the torques are calculated analytically and numerically. The analysis is focused only on the PMG without connecting it to the turbine. Two analyzed torques include electromagnetic torque and starting torque, which comprises cogging torque, hysteresis torque and friction torque. The electromagnetic torque was obtained by loading the PMG with resistance and impedance (RL-LL in series) respectively. The results indicate that electromagnetic torque is the highest among all the investigated torques although its value is only 5.6% of the turbine torque, and cogging torque is the highest among the starting torque. From those results, it can be concluded that the hydro turbine torque can overcome the generator torque both at start and steady state conditions.
Co-Authors Hikmawan, Muhammad Fathul Hikmawan, Muhammad Fathul Muhammad Kasim Pudji Irasari Wirtayasa, Ketut