Perancangan dan Pengujian Numerik Duty Cycle In-Wheel Hub BLDC Motor Tipe Outer Rotor

Wicaksono, Aditya Christian (2022) Perancangan dan Pengujian Numerik Duty Cycle In-Wheel Hub BLDC Motor Tipe Outer Rotor. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Kendaraan listrik merupakan solusi modern terhadap masalah pencemaran udara, cadangan BBM, dan kebutuhan transportasi. Dalam kendaraan listrik, motor listrik merupakan bagian integral yang menjadi penggerak dari kendaraan tersebut. Pada penelitian ini dilakukan sebuah perancangan dan simulasi in-wheel hub BLDC motor tipe outer-rotor menggunakan software ANSYS Motor-CAD. Massa total yang menjadi beban motor adalah 160 kg dan motor dipasangkan pada ban 10 inci. Untuk mendapatkan performa dan karakteristik terbaik dari motor ini, akan ada 3 kombinasi jumlah pole dan slot dan juga 3 panjang dari air gap. BLDC motor tipe outer rotor pada penelitian ini memiliki bobot sekitar 5,4 kg – 5,7 kg tergantung kombinasi pole dan slot yang dimiliki. Dengan total 9 varian, material stator dari setiap varian adalah electric steel M235-35A dan material rotor M350-50A dengan magnet N42SH. Penelitian ini menunjukkan bahwa kombinasi pole-slot dan panjang airgap sangat memengaruhi karakteristik motor listrik. Varian motor listrik dengan karakteristik torsi dan daya tertinggi adalah varian 63s56p dengan 0,8 mm airgap, yang mampu menghasilkan torsi maksimum di angka 122,25 Nm pada 100 RPM dan torsi kontinu di angka 63,355 Nm pada 500 RPM. Daya tertinggi juga mampu dihasilkan oleh varian 63s56p ini, dengan daya maksimum mencapai 6,78 kW pada 1253 RPM. Sementara untuk efisiensi dari masing-masing motor listrik, didapat melalui simulasi pengujian duty cycle pada kategori WLTP class 1. Hasil yang didapat adalah motor dengan efisiensi tertinggi, yang memiliki losses terendah adalah motor listrik varian 42s46p dengan efisiensi mencapai 85,01%.
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Electrical vehicles are the modern solution for air polution problems, fuel oil reservations, and the need of transportation modes. Within an electric vehicle, electric motor is an integral part that moves the electric vehicles. Seen from the flow direction, electric motors are divided into 2 types, AC and DC. DC flowed electric motors have some advantages over the AC ones, such as higher power density, wider magnetic power range, better speed-torque characteristics, and higer speed range. While seen from the rotor’s placement, electric motor are again divided into 2 types, inner rotor and outer rotor. Outer rotor motors are superior in terms of construction since they have cheaper building rate and smaller mass.
In this research, designing and simulating an in-wheel hub BLDC motor with outer rotor are conducted using ANSYS Motor-CAD software. Total mass for the motor’s load is 160 kg, and the motor is installed to a 10 inch tire. To get the best performace and characteristics out of this motor, the number of pole and slot and also the air gap length between the rotor and stator are varied. The finite element analyzed using ANSYS Motor-CAD will show the ouput of power, torque and other characteristics from the motor. Next the duty cycle simulation will be conducted to see the motor’s performance on the raod. The testing category is WLTP class 1, meant for light vehicles with medium speed. The duty cycle results are efficiency of the motor, battery consumption, and other performance data on the tested category.
BLDC motors with outer rotor tested in this research weigh around 5,4 kg – 5,7 kg depending on the pole and slot combinations. With the total of 9 variations, stators’ material for all the variants are M235-35A electric steel and the rotors’ are M350-50A with N42SH magnets. The results of this research is that the variation of pole and slot numbers will affect the electric motor’s performance, with the biggest slot fill shall have the highest torque. Airgap length also affects the torque’s magnitude, with less airgap will result in higher torque. The electric motor variant that has the highest torque is 63s56p with 0,8 mm airgap, that’s capable of producing maximum torque up to 122,25 Nm at 100 RPM, and 63,355 NM of continuous torque at 500 RPM. The highest power is also produced by 63s56p, with the maximum power of 6,78 kW at 1253 RPM. Meanwhile for the efficiency results from each of the electric motors – are gained through duty cycle simulation testing with WLTP class 1 as the testing category. The result is that 42s46p has the highest efficiency of 85,01%.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Air Gap, Daya, Duty Cycle, Efisiensi, Pole, Rotor, Slot, Stator, Torsi. ====== Air Gap, Duty Cycle, Efficiency, Pole, Power, Rotor, Slot, Stator, Torque.
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ1058 Rotors T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL152.5 Motor vehicles Driving
Divisions:	Faculty of Industrial Technology and Systems Engineering (INDSYS) > Mechanical Engineering > 21201-(S1) Undergraduate Thesis
Depositing User:	Aditya Christian W
Date Deposited:	16 Feb 2022 09:43
Last Modified:	16 Feb 2022 09:43
URI:	http://repository.its.ac.id/id/eprint/94206

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