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INDONESIA
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 23014652     EISSN : 2503068X     DOI : -
Core Subject : Education,
Education
SETRUM : Sistem Kendali Tenaga Elektronika Telekomunikasi Komputer merupakan jurnal yang diterbitkan oleh Jurusan Teknik Elektro, Fakultas Teknik, Universitas Sultan Ageng Tirtayasa (UNTIRTA) sejak 2012 menggunakan sistem Open Journal System (OJS).
Arjuna Subject : -
Articles 294 Documents
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Kinerja Relai Diferensial Diukur melalui Pemberian Simulasi Fenomena Gangguan Internal pada Transformator Daya Arief Goeritno; Syofyan Rasiman; Irwan Nugraha; Ayumi Johan
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 7, No 2 (2018): Edisi Desember 2018
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/setrum.v7i2.3719

Abstract

Pengukuran kinerja relai diferensial disimulasikan dengan dua kondisi, yaitu pemberian fenomena gangguan di luar dan di dalam daerah perlindungan transformator daya. Hasil pengukuran terhadap arus yang teralirkan ke relai diferensial saat pemberian kondisi gangguan di luar daerah perlindungan, diperoleh arus pada fase-R 1,9 mA, fase-S 1,7 mA, dan fase-T sebesar 2,2 mA, sedangkan nilai arus ke relai diferensial seharusnya sebesar nol mA, sehingga terdapat selisih hasil pengukuran sebesar 3,020668% untuk fase-R, 2,782324% untuk fase-S, dan 3,618421% untuk fase-T. Hasil perhitungan terhadap arus yang teralirkan ke relai diferensial dari masing-masing fase sebesar 1,57 mA, sedangkan nilai arus seharusnya sebesar nol mA, sehingga masing-masing fase terdapat selisih sebesar 2,078919%. Hasil pengukuran saat pemberian kondisi berbeban, diperoleh arus yang teralirkan ke relai pada fase-R 2,6 mA, fase-S 2,8 mA, dan fase-T sebesar 3,5 mA, tetapi relai diferensial tidak beroperasi, karena relai disetel dengan nilai sebesar 130% dari arus terbesar di antara ketiga fase, sehingga diperoleh arus penyetelan (Iset.) = 3,5 + (30% x 3,5) = 4,45 mA. Hasil pengukuran terhadap arus yang teralirkan ke relai diferensial saat pemberian fenomena gangguan di dalam daerah perlindungan, diperoleh arus yang teralirkan ke relai pada fase-R 127,7 mA, fase-S 123,9 mA, dan fase-T sebesar 123,8 mA, sedangkan hasil perhitungan terhadap arus yang teralirkan ke relai diferensial dari masing-masing fase sebesar 152,61 mA.
Perbaikan Kestabilan Dinamik Pada Sistem Tenaga Menggunakan Kontrol Gain Avr Pss Wahyuni Martiningsih; Inawati Inawati; Heri Haryanto
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 3, No 2 (2014): Edisi Desember 2014
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/setrum.v3i2.5132

Abstract

The stability of the electric power system is very important, because the stability of the system affects the quality and reliability of electrical energy supply. Many things can affect the stability of the system, one of which is a dynamic load that affects dynamic stability, dynamic stability can be defined as the system's ability to remain in synchronous conditions after the first swing (transient period) until the system reaches steady state condition, a power system is said to be in stable when all variables are stable, both bus voltage, rotor angle and generator rotor rotational speed. In this study the authors used the automatic voltage regulator (AVR) and power system stabilizer (PSS) controls to control the system's dynamic stability, hoping that after installation of these additional control devices the dynamic stability of the power system could be improved so that the system remained stable despite disturbances or load changes . Then a power system simulation was carried out using the MATLAB 2008a program, which proved that the installation of a power system stabilizer can reduce oscillation, in this case PSS works as an electric power controller or reactive power can be seen from the output voltage which only has overshoot 1.0169 before a load change and after being given a load change with the input step 25 overshoot increasing only 1.0215 for output the speed and angle of the generator rotor is less influential.
Analisis Potensi Energi Sinar Matahari Dan Energi Angin di Pusat Kota Semarang Zaenal Arifin; Aries Jehan Tamamy; Amalia Amalia
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 7, No 2 (2018): Edisi Desember 2018
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/setrum.v7i2.3999

Abstract

The application of renewable energy need to be throughly prepared because the investation cost is not small although the energy that will be produced is free. Few things that need to be prepared before installation are the data about energy potention of the region, technology application readiness dan human resourcess. This research used 2 solar panels with power specificaion 50 Wp SHINYOKU monocrystaline each that connected in parallel to measure the solar energy potention and anemometer to measure the wind energy potention. The research was done in semarang for a month since 30 July 2018 until 30 August 2018. From the data gathered that using the installation design used in this research, the average solar energy potention in Semarang for a month is 5,4 KWh with 7,5 hours effective time dan 3,6 hours optimum time. As for the average wind energy potention for a month is 0,9 m/s. Lastly could conclude that Semarang city has potention for using solar energy while wind energy can not be optimumly applied.Penerapan energi baru terbarukan (EBT) perlu disiapkan secara menyeluruh karena biaya investasi yang dibutuhkan untuk memanfaatkan (EBT) tidaklah sedikit walaupun nantinya energi yang dihasilkan akan bersifat gratis. Beberapa hal yang perlu dipersiapkan sebelum instalasi pemanfaatan EBT adalah data tentang potensi energi suatu daerah, kesiapan  teknologi dan sumber daya manusia. Hal tersebut bertujuan agar nantinya biaya investasi yang dikeluarkan sebanding dengan energi yang diperoleh dari EBT. Dalam penelitian ini menggunakan 2 panel surya dengan spesifikasi daya 50 Wp SHINYOKU monocrystaline yang terhubung secara paralel untuk mengukur potensi energi matahari dan anemometer untuk mengukur potensi energi angin. Penelitian ini dilakukan di kota Semarang selama satu bulan sejak 30 Juli 2018 hingga 30 Agustus 2018. Dari data yang dikumpulkan menggunakan desain instalasi yang digunakan dalam penelitian ini, rata-rata energi surya di kota Semarang selama sebulan adalah 5,4 KWh dengan 7,5 jam waktu efektif dan 3,6 jam waktu optimal. Adapun potensi energi angin rata-rata selama sebulan adalah 0,9 m/s. Terakhir dapat disimpulkan bahwa kota Semarang memiliki potensi untuk menggunakan energi sinar matahari sedangkan energi angin tidak dapat dimanfaatkan secara optimal. 
Rancang Bangun Alat Pendeteksi Gangguan Tegangan pada Gedung Elektro Politeknik Negeri Bengkalis Dengan SMS Berbasis Arduino Beni Ade Saputra; Jefri Lianda
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 7, No 2 (2018): Edisi Desember 2018
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/setrum.v7i2.3768

Abstract

Sudden outages or power failures caused by voltage drops or voltage loss in buildings often occur and are difficult to detect by PLN officers. This disorder requires information (phone, sms) from the campus Politeknik Bengkalis so that required a smart system. This study uses voltage sensors, data logger and GSM SIM800L to provide information if there is interference in the building. In the event of a power outage, this device is supplied by Power Bank as an energy reserve to provide the GSM SIM800L command to send an SMS command to the operator or PLN officer to provide information about the disturbance and record the old outage that will be calculated by the RTC and stored in SD CARD as a data collection officer of PLN.
Optimalisasi Sistem Pembebanan Unit-Unit Pembangkit Listrik dengan Menggunakan Metode Algoritma Genetik Wahyuni Martiningsih; Imamul Muttakin; Wilda Annisa3
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 7, No 2 (2018): Edisi Desember 2018
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/setrum.v7i2.5131

Abstract

In this research will optimize the loading system of power plant units 1-4 of PLTU Suralaya using genetic algorithm method. Optimization (unit of commitment) is designed using matlab software with the right purpose and constraints. Unit Commitment is a problem in the work system that determines the timing of the plant to meet the electricity needs. The method used is a system that can produce optimal loading system with a minimum cost. The simulation was conducted on 1-4 units of Suralaya power plant with total load of 33,117 MW for 24 hours. Using genetic algorithm, the cost reduction process is 5.7105%.
Desain dan Implementasi Ssistem Pengedalian Otomatis Untuk Mengatur Debit Air pada Prototipe Bendung Sebagai Pencegahan Banjir Gun Gun Maulana
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 7, No 2 (2018): Edisi Desember 2018
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/setrum.v7i2.4057

Abstract

Bendung adalah konstruksi yang digunakan untuk menahan laju air, dan memastikan air didistribusikan secara merata. Di Indonesia ada banyak bendung yang dikendalikan secara manual. Hal ini kurang efektif karena sering terjadi  kesalahan yang dilakukan oleh manusia, misalnya di Garut (21/09/2016) dan Bekasi (11/20/2014, 04/21/2016). Dalam penelitian ini, sistem kontrol bendung otomatis dirancang menggunakan metode desain VDI 2206. Data level air dan sensor aliran diolah dengan metode fuzzy logic untuk menentukan pembukaan pintu air dan kondisi bendung (aman / bahaya). Data ditampilkan pada antarmuka berbasis Microsoft Visual Studio. Hasil pengujian pada prototipe (32x20x18cm) menunjukkan sistem dapat bekerja secara otomatis dengan akurasi 99,7%. Kesalahan dipengaruhi oleh kesalahan sensor ultrasonik: 5,61% dan sensor aliran air: 4,83%. Antarmuka menunjukkan data sensor dari mikrokontroler dapat ditampilkan secara real time. Manfaat dari sistem ini adalah mudah untuk mengontrol dan memantau bendung, aliran air didistribusikan secara merata, dan memberikan informasi peringatan dini untuk mengantisipasi banjir.
Rancang Bangun Sistem Tiket Elektronik pada Stadion Sepak Bola Menggunakan Near Field Communication (NFC) Toni Rizky Riyanov
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 7, No 2 (2018): Edisi Desember 2018
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/setrum.v7i2.3638

Abstract

Sistem Tiket Elektronik ini dibangun untuk mengatasi permasalahan penerapan sistem tiket pada pertandingan sepak bola dengan memanfaatkan teknologi Near Field Communication (NFC). Sistem ini dibuat dengan memadukan sistem pembelian tiket secara online dan penggunaan kartu NFC sebagai pengganti tiket kertas serta palang pintu otomatis. Sistem ini dilengkapi dengan penggunaan saldo berbasis token yang digunakan untuk melakukan pembelian tiket melalui website. Sistem ini dimulai dengan user melakukan pembelian tiket secara online, kemudian user hanya perlu datang ke stadion pada hari pertandingan dan mendekatkan kartu NFC ke palang pintu otomatis untuk dapat memasuki stadion. Pada penerepannya, proses pembelian tiket, pengisian saldo, pembacaan dan penyaringan UID NFC pada penelitian ini memperoleh persentase keberhasilan sebesar 100%.               Kata kunci : Near Field Communication (NFC) , tiket, website, stadion
Kalkulasi Penghematan Energi dan Biaya untuk Beban Penerangan dan Pendingin di Gedung ADB CRM Pt. Krakatau Steel (Persero Tbk.) Muhamad Otong; Yudha Iskana
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 9, No 2 (2020): Edisi Desember 2020
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/setrum.v9i2.8569

Abstract

The use of electric power in modern times has become a very vital thing. Electrical energy is a necessity in various activities. The need for electrical energy is increasing from time to time, especially large industries such as PT. Krakatau Steel (Persero Tbk.). the amount of electricity consumption causes electricity costs to become large. Then the office relocation program was launched to reduce electricity consumption, especially in the Administration Cold Rolling Mill Building PT. Krakatau Steel (Persero Tbk.). Retrieval of data Savings obtained from the relocation of this office amounted to 365,523.8 kWh / year, with a saved cost of Rp 439,396,208 / year. The average Energy Use Intensity for each non-AC room of the ADB CRM building is 12.78 / m2 / year with an area of 531.75 m2. The average Energy Use Intensity for each air-conditioned room in the ADB CRM building is 161.21 / m2 / year with an area of 2180.05 m2. When compared with the ECI standard, the EUI value of non-AC and air-conditioned rooms is still in the efficient category. EUI values that fall into the category of waste are non-AC rooms in the Accounting Sub-Directorate. The EUI values included in the waste category are air-conditioned rooms in the Financial Accounting Division 2, Management Accounting, SABM Sub-Directorate, and the SCI Division. Each room has a value of IKE 194.59 kWh / m2 / yr, 193.42 kWh / m2 / yr, 194.85 kWh / m2 / yr, and 218.15 kWh / m2 / yr. 
Dampak Bayangan Pada Panel Surya Terhadap Daya Keluaran Photovoltaic Samsurizal .; Sungsang Dody Purwanto; Miftahul Fikri; Christiono Christiono
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 9, No 2 (2020): Edisi Desember 2020
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/setrum.v9i2.9202

Abstract

The effect of shadows that occur naturally due to the movement of the sun so that the radiance is exposed to trees and buildings before getting to the surface of the solar panels certainly affects the output power produced in the hydropower of the hydropower. This study used photovoltaic type polycrystalline, with observation data conducted in the campus environment IT-PLN. From the results of the study obtained that the power of 51.75 Watts occurred at 11.30 WIB, but when taken into account in real data the output power was obtained by 29.49 Watts at its peak power, it meant the shadow effect occurred by 84.217% at 12.30 WIB. Based on this, there can be a decrease in power by 43,582 Watts while when using the calculation of output power in real data there is a decrease of 25,155 Watts with a large shadow effect of 85,311% can be inferred the greater the shadow value that occurs the less power generated by a solar panel.
Rancang Bangun Sistem Pengendalian Level Pada Tangki Penyimpanan Menggunakan Degree Of Freedom Analysis Dengan Tunning PID Berdasarkan Metode Cohen-Coon Firmansyah Adi Nugroho; Prima Dewi Permatasari; Hendrik Elvian Gayuh Prasetya
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 9, No 2 (2020): Edisi Desember 2020
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/setrum.v9i2.9410

Abstract

The storage tank is one of the most important operating units used in the generation process. This operating unit functions as water storage which will later be used as raw material for making steam. To maintain the mass balance system and the energy balance system in the storage tank, a proper control system is needed. One of the variables controlled in this operating unit is implementing a level control system. In a process control system, key knowledge is needed, namely determining the process variable (PV), manipulated variable (MV), and disturbance variable (DV). If it is wrong in determining the three types of variables, then the output from the control system that we provide is not by the value we want (setpoint). Analysis of degrees of freedom (DOF) is used to determine the number of manipulated variables in the storage tank operation unit. To determine the number of variable numbers and the number of equation numbers can be used by looking at the mathematical equation model of the storage unit operation. Meanwhile, to determine the number of variables used in the above equation is to choose the type of variable that affects the process if the variable is changed. PID tunning needs to be done to determine the best proportional, derivative, and integral constant values, which later the output we want is the same as the setpoint value. Cohen Coon is a PID tunning method that can tolerate a constant amplitude oscillation state. Cohen-Coon is trying to improve the oscillation method by using the quarter amplitude decay method. The closed-loop response system, in this method, is made so that the response is in the form of a quarter amplitude decay. Quarter amplitude decay is defined as a transient response whose amplitude in the first period has a ratio of one quarter (1/4).

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