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Dina Mariani
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dinamariani@unimus.ac.id
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mediaelektrika@unimus.ac.id
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Universitas Muhammadiyah Semarang FT-FMIPA Building, 7nd Floor. Department of Electrical Engineering Jl. Kedungmundu Raya No. 18, Kota Semarang, Prov. Jawa Tengah, Indonesia 50273 Phone: 085299398663 Email: mediaelektrika@unimus.ac.id
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INDONESIA
MEDIA ELEKTRIKA
Published by Universitas Muhammadiyah Semarang
ISSN : 19797451     EISSN : 2579972X     DOI : 10.26714/me.14.2.2021.62-75
Core Subject : Science, Engineering,
Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
Media Elektrika is an electrical engineering journal that gives concerns on sciences related to electrical engineering. It includes the following fields: Electrical power engineering Electronics Telecommunication Control Informatics and computer technology
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 5 Documents
 1 
Search results for , issue "Vol 3, No 1 (2010): Electrical Engineering" : 5 Documents clear
TINGKAT DISTORSI HARMONISA PADA LAMPU ESSENSIAL YANG BERBEDA MERK Luqman Assaffat
MEDIA ELEKTRIKA Vol 3, No 1 (2010): Electrical Engineering
Publisher : PSTE UNIMUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (853.061 KB) | DOI: 10.26714/me.3.1.2010.%p

Abstract

Essential Lamp (SL) is a type of low pressure mercury lamp that worl<s leimlecittirnogn st hines icduer rtehnet tfuubnec atinodn .u Bsiencga uqsne e olefc trtohneic w sowriktcinhg e pqrLinipcmtpinlet , atsh ea ereispelanocsnei amthl eeln adtm isbpcah llcaasargtn ef o boerf classified as a non-linier electrical load It is callIend t hhea remleocntricics .p oHwaermr soynsitcesm ,a rae nmonu lltiinpel_easr olofathdesf rweiqll upernodcyu coe fa na feulnecdtarimcael iptaolwfreerq puoelnluctyio no.f wave. Harmonics generated by tlrc non-linier loads that - power system. So the harmonics will be able to disrupt thwe ipllo owrelur *qiutoatli"4 ta nodf edleelcivlreicreadl ptoow theer sysiems.As a non-linear load, essential lamps produce harmonic distortion, both harmonic currents and voltage- In this study concluded that the dffirent brands of essentiai lamp showed the dffirent value of Total HarmonicsDistortion (fHDKeyuords .Essensial Lamp, Harmonics, THD, power euality, pe Analyzer
PEMANFAATAN GAS IKUTAN : TEROBOSAN EKONOMI DAN UPAYA UNTUK MENURUNKAN EMISI GAS RUMAH KACA PADA PERUSAHAAN MIGAS Zulkifli Rangkuti
MEDIA ELEKTRIKA Vol 3, No 1 (2010): Electrical Engineering
Publisher : PSTE UNIMUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (977.031 KB) | DOI: 10.26714/me.3.1.2010.%p

Abstract

Flaring gas industry is profitable for community and government, in term of economy and environment (sustainable). The investation of that industry, haye to study if economically feseable to be develop and environmentally friendly, so we need to study about feasibility study and environment impact assessment. The aim of this study to examines feasibitity study and environment benefit. For this purposes, the analysis were used in this study Net present Value (NPV), Internal Rate of Return (IRR), Pay Back Period (PBP), and profitability Index analysis. Result of this study were flaring gas industry in this study feasible and enviroimentally (cleaner production), and feasible to develop. Flaring gas industry had positif net present value with net profit (NPV) US$ 1.148.174,00 and had recoupery to bank higher than bank interest rate, and the ability to restore the bank loan capital until the time limit, total IRR 14,42 %. Payback investment of this company is 5,080 years and payback loan is 3,537 years. This means, that capital payback period paster than contract period and began fifth years and so on, (break even point in fifth years). Starting in the sixth years, this company will be profit, because payback period shorter than contract period (10 years). It's indicates that present value of net cash receipts, in the future is greater than the present value of investment, so that is profitable. By the way this company should pay for environmental protection and social costs, but in this study has not been taken in to account. Flaring gas industry not only profitable, but become one of the efforts to reduce emission. This industry relatively not pollute the environment and environmentally friendly. Keywords: feasibility, flaring gas, industry, NPV, IRR, PBP, emission
ANALISA IMPEDANSI PENGETANAHAN ELEKTRODA BATANG TUNGGAL DALAM BETON RANGKA BAJA TERHADAP INJEKSI ARUS BOLAK BALIK Achmad Solichan; Rudy Haryanto
MEDIA ELEKTRIKA Vol 3, No 1 (2010): Electrical Engineering
Publisher : PSTE UNIMUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (657.323 KB) | DOI: 10.26714/me.3.1.2010.%p

Abstract

Low impedance grounding is necessary to anticipate the return flow that can be directly on the ground. Research caruied out by field observations to determine the impedance value which is derived by a single rod electrode: Testing the impedance by the planting depth electrode arrangement and frequency settings. The results obtained were impedance value to a depth of 50 cm for 3.2 to 4.8 Ω, the depth of 100 cm for 3-4 Ω and 150 cm depth of 0.4 to 0.1 Ω.Key words: Impedance grounding, setting depth grounding. 
STRATEGI MENINGKATKAN KINERJA WEB UNIVERSITAS MUHAMMADIYAH SEMARANG MENUJU PERINGKAT WEBOMETRICS Bambang Supradono
MEDIA ELEKTRIKA Vol 3, No 1 (2010): Electrical Engineering
Publisher : PSTE UNIMUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1322.073 KB) | DOI: 10.26714/me.3.1.2010.%p

Abstract

Nowadays many University competing improve the performance of the network that they have to list in the Webometrics ranking. Semarang Muhammadiyah University (UNIMUS) is actually a University relatively new also trying to enter competition Webometrics ranking of world universities. This study aims to fill the framework of a strategy to achieve the webometria range. The methodology used for the first time to evaluate the performance of the website parameters unimus webometricos and then create a reference point of three national universities that has entered the ranks of the highest ranking of Webometrics, medium and minor at the national level. Later followed by the analysis of webometria evaluation indicators include the size, visibitity, erudite and rich text files. The results were compiled from then action plans in order to set gap of 3 universities in reference. Thus, the benefits can provide guidance for UNIMUS into the Webometrics rangkings. Keywords : UNIMUUS, Webometric
UNJUK KERJA PROSES MULTIVARIABEL REAKTOR KONTINYU DENGAN PENGENDALI LOGIKA FUZZY Agus Suprajitno
MEDIA ELEKTRIKA Vol 3, No 1 (2010): Electrical Engineering
Publisher : PSTE UNIMUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1274.985 KB) | DOI: 10.26714/me.3.1.2010.%p

Abstract

Chemical reactors can be made continuous process mathematical model based on the law of equilibrium concentrations, the equilibrium of mass and energy balance. In this reactor modeling process is assumed to be continuous, homogeneous and endothermic, with two reactants and the reaction products. Modeling results show the influence of reactant concentration and jacket temperature on the concentration and temperature of the reaction followed a second order equation which interact to form a multivariable system. Effect of interaction can be reduced or eliminated with decoupling process. The system is controlled by fuzzy logic controllers with rule mamdani. The process is a multivariable system that has the interaction between two inputs qnd two outputs. Interaction concentrations of the reactants to the product temperature at 26% of input, interaction jacket temperature of the product concentration of 2 % of the entries shown in the graph simulation results without decoupler open. circle response. Keywords : CSTR, RGM, decoupling

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