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All Journal Energi & Kelistrikan Jurnal Ilmiah Sutet TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri
Sofitri Rahayu
STT-PLN
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Energi

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APLIKASI TRANSISTOR DARLINGTON PADA RANGKAIAN INVERTER PORTABLE Sofitri Rahayu; Jaja Kustija
Energi & Kelistrikan Vol 10 No 2 (2018): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (472.495 KB) | DOI: 10.33322/energi.v10i2.229

Abstract

Energi listrik digunakan dalam segala lapangan kehidupan manusia untuk membantu meringankan pekerjaannya. Kebutuhan akan sumber energi listrik AC (arus bolak balik) tidak selamanya tersedia di setiap tempat misalnya ketika kita berada jauh dari supplay energi listrik dari PLN. Untuk mendapatkan sumber energi listrik arus bolak balik (AC) ketika berada jauh dari sumbernya maka di dapat dengan cara mengubah sumber DC menjadi AC menggunakan inverter. Inverter yang dirancang portable menggunakan sumber DC 12 volt dan komponen inverter berbasis IC 555 sebagai pembangkit pulsa dan CMOS 4013 sebagai rangkaian D flip-flop. Karena tegangan yang keluar dari CMOS 4013 ini kecil maka dihubungkan dengan transistor MJ11016 sebagai penguat. Kemudian tegangan yang dihasilkan dinaikkan dengan menggunakan trafo Step Up. Sistem ini dirancang berkemampuan daya sebesar 60 watt.
Efisiensi Motor Sinkron Linier dengan Magnet Permanen Sebagai Penggerak KRL Terbaru Sofitri Rahayu; Yogi Baskoro
Energi & Kelistrikan Vol 11 No 2 (2019): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (221.339 KB) | DOI: 10.33322/energi.v11i2.489

Abstract

The latest electric train at this time has begun to be widely used linear synchronous motors with permanent magnets as driving locomotives. This permanent magnet has the same function as a conventional synchronous motor which is to produce a magnetic field so that the motor can move linearly. This linear synchronous motor does not have a gear (gear) and axis, but the mechanical motion of this linear motor is synchronous with the magnetic field running. This running magnetic field is produced by the entanglement of the three phases and the arrangement of magnetic poles U, S, U, S. Because the motor is linear synchronous is a high-speed motor, the mechanical speed is the same as the speed of the magnetic field running. So that this motor is capable of producing large thrust compared to the use of conventional motors (DC motors and induction motors) to drive electric rail trains. If the conventional synchronous motor uses a frequency of 50 Hz, then the linear high-speed synchronous motor uses a frequency of 5-50 Hz in changing its speed and this research the efficiency, electromagnetic power (thrust) and thrust force of a synchronous motor will be analyzed. linear according to the frequency selection from 5-50 Hz, to drive the electric train locomotive.
Co-Authors Diantari, Retno Aita Jaja Kustija Rudina Okvasari Yogi Baskoro