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Chaerul Gagarin Irianto
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Electrical & Electronics Engineering

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STUDI OPTIMASI SISTEM PENCAHAYAAN RUANG KULIAH DENGAN MEMANFAATKAN CAHAYA ALAM Irianto, Chaerul Gagarin
Jurnal Teknik Elektro Vol 5, No 2 (2006)
Publisher : Jurnal Teknik Elektro

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Abstract

A good lighting system has to meet three criteria; quality and quantity of light and efficient powerconsumption. A good lighting room will help effective activities inside the room. To achieve an optimumlighting, natural light has to be considered in the installation design. To optimise lighting installation ofthe building E classroom, clustering luminer with the switch has to proportionately adjust according tothe sun light incidence to the room.Keywords: quality and quantity of light, efficient power consumption, natural light, clustering luminer
Suatu Studi Penggunaan Motor Induksi sebagai Generator: Penentuan Nilai Kapasitor Untuk Penyedia Daya Reaktip Irianto, Chaerul Gagarin
Jurnal Teknik Elektro Vol 3, No 2 (2004)
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Abstract

A squirrel cage induction motors are frequently used due to its merits such as strong andrigid construction, easy maintenance, low cost, and easy to get from the market. For everyconservation, induction motor is frequently used as a generator for the above reasons. Theoperation of motor as an induction generator needs reactive power. Reactive power can beobtained from the grid. If the induction generator separated or isolated from the grid,reactive power can be obtained from capacitor. Capacitor can be installed at the inductionmotor terminals. The capacitor value will determine the generator load. If the load isincreasing, the voltage will drop. From the experiment, we can determine the suitablecapacitor value for the load capacity provided by the induction generator.Keywords: energy conservation, reactive power, suitable capacitor value
STUDI PEMANFAATAN CAHAYA ALAM SEBAGAI SUMBER PENCAHAYAAN RUANG KULIAH GEDUNG E KAMPUS “A” UNIVERSITAS TRISAKTI DALAM RANGKA PENGHEMATAN ENERGI LISTRIK Irianto, Chaerul Gagarin
Jurnal Teknik Elektro Vol 1, No 2 (2002)
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This study is aimed to save electrical energy in buildings by making use ofthe sun light which passes through the windows. The proposed steps are tochange the luminaires so the effective spread light is focused and alteringlight group switch to control the lamps with talking external light intoconsideration.Keywords: side illuminating, glazing, illuminating quality.
PROTEKSI PETIR PADA TRANSISI SALURAN UDARA DAN BAWAH TANAH TEGANGAN MENENGAH 20 kV Irianto, Chaerul Gagarin; Abduh, Syamsir
Jurnal Teknik Elektro Vol 2, No 2 (2003)
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This paper summarizes the main results of a study aimed at determining the maximumlightning overvoltages in branchless underground feeder protected by metal-oxide arresters.The study has two parts. Initially, it is performed assuming an ideal behavior of allcomponents: the goal is to gain insight into the physical phenomenon. This will be useful tounderstand the main results obtained in the second part, where an advanced model is usedfor representing arresters.Keywords: Lightning, Surge Arresters, Underground Cables
MENGURANGI HARMONISA PADA TRANSFORMATOR 3 FASA Irianto, Chaerul Gagarin; Sukmawidjaja, Maula; Wisnu, Aditya
Jurnal Teknik Elektro Vol 7, No 2 (2008)
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Consumption of the electronic devices has been increase in the late of twenty years recentlyand it will cause the problem which had been unexpected before. It will cause non sinusoidalcurrent, although it is supplied by sinusoidal voltage source. This current will interfere thehigh frequent component at power system distribution grid and then it called ”harmoniccurrent”. The harmonic current can cause a lot of trouble to the consumer even powerprovider as well. High cost operation, short lifetime any equipment as the most disadvantageif the harmonic current appear on electric power distribution system. There are manymethod to reduce the harmonic distortion. This papert will explain the use of Z transformerwith resonance arm filter to reduce harmonic distortion on the system.Keywords: Harmonic current, threephase transformer, Z transfor
Co-Authors Aditya Wisnu Maula Sukmawidjaja Syamsir Abduh