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Muhammad Naim
AKADEMI TEKNIK SOROWAKO
Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Pengaruh Modifikasi Belitan Stator Motor Induksi Satu Phasa Starting Kapasitor Pada Mesin Bor Meja Terhadap Arus dan Daya listrik serta Putaran Motor Muhammad Naim
VERTEX ELEKTRO Vol 12, No 2 (2020): Agustus
Publisher : Fakultas Teknik Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jte.v12i2.4228

Abstract

A 1-phase 4-pole starting capacitor induction motor which is used as an activator of the table drilling machine has a more complicated construction because it has a  centrifugal switch which is connected in series with the capacitor for its initial start and a high rotational speed of the stator field, which is 1500 rpm. While a 3-phase 6-pole induction motor has a much simpler construction because it does not require a centrifugal switch and a capacitor for its initial start with a low rotational speed of the stator field, which is 1000 rpm. This study discusses the effect of modifying the stator winding in a 1-phase 4-pole starting capacitor induction motor on the table drilling machine into a stator winding of 3-phase 6-pole induction motor on the rotation of the rotor. Modifications are carried out on the stator winding of a 1-phase induction motor by changing the number of phases, number of poles, type of winding, wire diameter and number of windings per groove. Modifications are carried out on the windings to obtain a 3-phase 6-pole 24-groove induction motor with 200 windings per groove, a wire diameter of 0.5 mm, and a winding type of spiral double layer. In our trials without a load on the induction motor the rotor rotation decreased by 33.71% from 1498 rpm to 993 rpm, and with a load decreased by 36% from 1450 rpm to 927 rpm.
RANCANGAN SISTEM KELISTRIKAN PLTS OFF GRID 1000 WATT DI DESA LOEHA KECAMATAN TOWUTI Muhammad Naim
VERTEX ELEKTRO Vol 12, No 1 (2020): Februari
Publisher : Fakultas Teknik Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jte.v12i1.4013

Abstract

One solution to solve electrical problems in Loeha village in Towuti sub-district is the provision of new and renewable energy source which is environmentally friendly as an alternative to the addition of electricity supply that is PLTS Off Grid electrical system. The purpose of this research is to design the electrical system of Off Grid PLTS with the capacity of 1000 Watt in Loeha village, Towuti sub-district, East Luwu regency so that later can overcome the electrical problems that happened in this region. The results show that the equipment needed to support the electrical system. PLTS Off Grid 1000 Watt is Photovoltaic (PV) or Solar cell amount to 4 pieces with technical specification; type cell monocrytalline, cell efficiency 15%, maximum power 260 Wp. Solar Charge Controller using MPPT technology with technical specifications; working voltage PV max 140 VDC, battery working voltage 48 VDC, Output Current max 60 A, efficiency 97%, and 1000 Watt capacity. Battery bank Deep cycle with technical specifications; type Deep Cycle OPzV battery, nominal voltage 2 V / cell, Cycle life 1200, DOD 80%, and capacity 160 Ah. And Bidirectional inverters with Technical Specifications; DC input Volt (nominal) 50.4 V, Voltage limit input 40-64 V, Current input 131 A, Charging Current 100 A, Type of signal True Sine Wave 50 Hz, Continous Output Power 1 KVA.
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