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Jurnal Ilmiah Sutet

sutet
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Published by Sekolah Tinggi Teknik PLN

ISSN : 23561505 EISSN : 26569175 DOI : -

Core Subject : Science, Engineering,

Civil Engineering, Building, Construction & Architecture Materials Science & Nanotechnology Mechanical Engineering

SUTET Journal, especially to the Electrical Engineering Lecturer and generally to all Practitioners to be able to contribute in the form of scientific writing which will be useful for the application of science and technology, especially in the field of Electrical and Electrical Engineering.

Arjuna Subject : -

Articles 105 Documents

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METODE NEWTON RAPHSON UNTUK ANALISIS ALIRAN DAYA JARINGAN DISTRIBUSI 12,66 KV Miftahul Fikri; Dwi Anggaini
Sutet Vol 8 No 2 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

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Analysis the flow of power in works system electricity used to determine parameters workers system electricity. The calculation process are own related to the optimize system. A method of which has been used is the method Newton Raphson iteration. This method is a Taylor of obtaining the derivative a mathematical equation as the basis for calculation iteration involving using matric Jacobian. Analysis the flow of the power on a system electric power on useful to count some parameters that importance between another current of, voltage, power, and loss power. The method of analysis the flow of resources Newton-Raphson has been proven accurate to calculation the power on the flow of transmission system of analysis. A channel or a cable on a system the distribution of also having the ratio the resistance of versus reactance ( r / x ) that tend to high that led to the process by the calculation of the flow of power uses the method conventional above failed to converging. The results of a simulation shows that usage method of simple branch exchange to merekonfigurasi of tissues can be reduce loss of power equal to 63,4677 kw .From the results of a simulation by the use of in distribution systems ieee 33 bus 12,6 kv , shows that there has been a decrease rugi-rugi resources of a 202,6845 kw become 139,2168 kw.

ANALISIS INSTALASI LISTRIK MENGGUNAKAN PEMBANGKIT LISTRIK SURYA SKALA RUMAH TANGGA Retno Aita Diantari; Sofitri Rahayu; Rudina Okvasari
Sutet Vol 8 No 2 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

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Indonesia is an archipelago and is located in the tropics. One of the disadvantages of an archipelagic country is that it is difficult to distribute electricity systems centrally, so an easier system needs to be used by utilizing easily available energy sources. Because Indonesia is in the tropics, the source of solar energy is the most appropriate. The purpose of this study is to analysis the electric power generation systems of household as an alternative to meeting electricity needs. From the results of the study, it can be concluded that in the design of a household scale solar power plant it is necessary to calculate solar module capacity, battery capacity, solar charge controller and inverter. Weather and load factors are very influential on the length of a household scale solar power plant operating. The intensity of sunlight received by household scale solar power plant will be high when the sky is clear, and the intensity will decrease if it is in cloudy sky. If the load used is high, the household scale solar power plant will not be able to operate long enough to supply electricity to the load, if the load used is low then the household scale solar power plant can operate relatively longer in supplying electricity to the load.

ANALISA EFEK KORONA PADA SISTEM DISTRIBUSI TENAGA LISTRIK 20 KV PADA GARDU BETON Nurmiati Pasra; Andi Makulau; Muhammad Oka Abriyanto
Sutet Vol 8 No 2 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

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The main components of the installation in the Concrete substations are transformers and switching / protection equipment, assembled in civil buildings that are designed, built and functioned by the construction of masonry and concrete pairs. This construction is intended to fulfill the best requirements for electricity safety. The equipment for 20kV medium voltage relations of pair distribution substation is cubicle. PLN's voltage on the one-phase distribution is 11.5kV. with more high feeding stress arises the problem of isolation in the equipment inside the cubicle. The problem that often occurs in cubicles is corona, which is a phenomenon that occurs when air around an conductor or conductor is ionized. From this process there is a discharge that can lead to insulation failure in the air. Based on the influence of the partial pressure of the air on the corona, it can be analyzed the indication of whether or not a corona occurs in the cubicle. From the substation data used, it can be calculated the amount of power losses on the cubicle. From the substation data used, it can be calculated the magnitude of the power losses resulting from fatal distrubtion, because it can cause physical damage to the equipment in the cubicle, causing audio noise and power losses. Substation K-245 has RH = 80%, Ev = 3,94 kV and Ploss = 3,88 kW, then substation K-245 has RH = 86%, Ev = 4,37 kV and Ploss 3,45 kW where the substations T-241 and K-245 are Ev <11,56kV, then the cubicles are exposed to the corona. For substation T-407 has RH = 45%, Ev = 18,34kV, because Ev> 11,56kV then the cubicle is not exposed to the corona.

PENGARUH SUHU DAN VOLUME GAS KERJA TERHADAP DAYA KELUARAN PEMBANGKIT LISTRIK TENAGA TERMAL SURYA MENGGUNAKAN MESIN STIRLING Rizki Pratama Putra; Hasna Satya Dini; Novi Gusti Pahiyanti
Sutet Vol 8 No 2 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

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This research aims to investigate the influence of the temperature and the volume of stirling engine working gas on the power output of the solar thermal power plant which uses stirling engine. The methods used in this study are literature review on mathematical model of the system, the observations of the working stirling engine directly to see optimization opportunity, and simulation using simulink to see the output of the plant. The result obtained in this study are ; in general, system performance is strongly influenced by the temperature of the heating plate which is directly related to the working temperature of the gas. The heater plate temperature value is proportional to the output power provided, the higher the temperature of the heater plate, the greater power output will be obtained. From the results of the simulation also seem that high working gas temperatures reduces oscillation of the power output. the effect of the working gas volume does not significantly influence the output power. As for what can be concluded is, in the system that has been made, the main factor affecting the performance of the generating system is the temperature of the heating plate. So that performance optimization of the generating system can be further carried out in the parts related to these parameters.

STUDI PERANCANGAN SKEMA PULAU BERDASARKAN KOHERENSI GENERATOR PADA SISTEM KELISTRIKAN DKI JAKARTA DAN BANTEN Hasna Satya Dini; Nanang Hariyanto
Sutet Vol 8 No 2 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

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This research deals with the islanding scheme design of DKI Jakarta and Banten power system which aim to improve the rate of success in islanding formation when distrubance hit. Islanding scheme is the last option in corrective control that devide electrical system into several regions during disturbance to maintain the electrical system stability. The islanding scheme design method is based on generator coherency, severe connections, and active and reactive power balance. This islanding scheme is designed in 2 steps for 48,3 Hz and 48,1 Hz. In the first step, DKI Jakarta and Banten will be separated from Jawa Bali and in the second step the system should be divided into 4 islands due to generator coherency. Based on simmulation in Digsilent, this islanding scheme design could keep the stability of frequency and rotor angle of DKI Jakarta and Banten system.

PEMBATAS KECEPATAN MAKSIMUM PADA KENDARAAN MENGGUNAKAN RPM MOTOR DC DENGAN SISTEM PERINGATAN SMS Syarif Hidayat; M Iqbal Harish
Sutet Vol 6 No 2 (2016): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

In the process of creating an innovation to the growing number of vehicles as well as considering the risks that happens then raised an idea to reduce the number of accidents. A maximum speed limiting devices on vehicles with warning system via SMS (Short Message Service) seeks to reduce the occurrence of traffic accidents, and improving comfort and safety in driving for yourself or other motorists. The tool is powered by mikrontroller Atmega 8 as a control system with photodiode sensor and infrared as detection speed.

PELAKSANAAN MANAJEMEN PEMELIHARAAN GARDU DISTRIBUSI Nurmiati Pasra; Permata Putri Ruswandi
Sutet Vol 6 No 2 (2016): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

The quality of services at the State Electricity Company should be improved by minimizing the interruption of the electrical power supply in the power distribution system of 20 kV. Create a effective process of supplying electrical power, the equipment used must be maintained in order to last long, for example equipment in distribution substations. Thorough maintenance activities carried out when the system is off, it means there are planned outage times. Methods of maintenance, there are Time Based Maintenance (TBM) and Condition Based Maintenance (CBM). Both methods have been adopted. TBM until 2013 and CBM from 2014 until now. At the time the company implemented method of TBM, its SAIDI is 1.34936 hour/customers/ year and its SAIFI is 398.1322 times/customer/year. Meanwhile, when CBM is applied, its SAIDI is 0.33110 hour/customers/year and its SAIFI is 65.5828 times/customer/year. The cost of maintenance with CBM is Rp495.311.340,00, which is cheaper than the TBM with its cost up to Rp1.272.924.480,00. It can be seen that the effective method is the CBM, which only execute maintenance activities on distribution substations when needed, but produce a better reliability index numbers with a more economical cost.

PERBANDINGAN EFISIENSI ENERGI DAN BIAYA PADA KOMPOR INDUKSI TERHADAP KOMPOR LISTRIK DAN KOMPOR GAS Aas Wasri Hasanah; Oktaria Handayani
Sutet Vol 6 No 2 (2016): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

The stove is cooking tool that can generate high heat and the household items that have become a major necessity for every human being. Leaving aside the traditional stove that has been rarely used in Indonesia, there are several types of stoves based on a source of heat that is used at present, namely a gas stove (using gas), electric cooker (using current litrik) and induction cookers (using an electric current). After testing to determine the efficiency and heating costs by as much as 1liter water until it reaches its boiling temperature, showed that the induction hob (1200W) have high efficiency and better cost than gas stove that is equal (74.03% / 38.55%), (Rp152,56 / US $ 161.25). Similarly, when compared with electric stove at the same great power 600W, induction cooker efficiency and better cost anyway, namely (67.24% / 56.29%), (Rp167,93 / US $ 200.64). In terms of security, the induction cooker has a security level that is very nice and friendly to the environment when compared with a gas stove that many lead to fires and even explosions if the wrong in the procedure user and to the type of electric stoves also have a level of security as well as the induction cooker, but requires delay time to preheat so it takes a long time for the heating process. From these test results it can be said that the induction cooker is better when compared to other types of stoves.

IMPLEMENTASI DAN PENGUKURAN LONG TERM EVOLUTION (LTE) DI JAKARTA DAN SEKITARNYA Muchamad Nur Qosim
Sutet Vol 6 No 2 (2016): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

This study aims to determine how much readiness in implementing technology Long Term Evolution (LTE), a research model by using measurements in some areas and islands, especially in Jakarta, using a measuring instrument Agilent spectrum analyzer, and with the collection of data online and asked the parties concerned, here in particular with the Ministry of Communications or the Center for Monitoring (Balmon). Results from the study showed that the measurement, which can be no interference with other signals, are still in the corridor on the 2.3 GHz frequency range and the development of the 3GPP technology, with systems that LTE FDD and TDD can be accepted at 1G to 4G networks. LTE technology offers mobile data services in high-speed, reaching 100 Mbps for downlink and 50 Mbps on the uplink. And the measurement results of the average frequency is at 2,383 GH, its bandwidth 9.54 MHz and at the level of the signal - 65.07 dBm. The measurement results can be input to the government restrictions on devices that work in several different frequency bands to avoid interference with users and users between operators.

PENGELOLAAN MANAJEMEN RESIKO DI TENGAH PERUBAHAN MODEL BISNIS TELEKOMUNIKASI Firman Fauzi
Sutet Vol 6 No 2 (2016): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

In the age of information technology data today, telecommunication operators are focusing businesses and services in the data service, which originally was the only service of this data as a value added service (VAS). Then the data service is growing rapidly becoming part of the core business of the operators present. In the era of information technology this data, the risk faced by operators is the need to share the "cake" revenue with "a lot of other players" beyond the telecom operators. As a result, the value of revenue earned will not be as big as in the era of voice and SMS service that still dominate the telecommunications services at that time. With revenue growth continued pressure, the telecom operators are trying to address these risks by taking management action amid more robust telecommunications business model changes

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Riki Ruli A. Siregar

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Kota adm. jakarta barat,

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INDONESIA