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All Journal GEMA TEKNOLOGI JURNAL SAINS PERTANIAN EQUATOR Jurnal Neutrino : jurnal fisika dan aplikasinya Eksergi: Chemical Engineering Journal Prosiding Semnastek Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Ampere IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Jurnal Distilasi Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Jurnal Inovator ADLIYA: Jurnal Hukum dan Kemanusiaan Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) INTERNATIONAL JOURNAL OF SOCIAL, POLICY AND LAW (IJOSPL) ARRUS Journal of Engineering and Technology Management Science Research Journal Integrasi : Jurnal Ilmiah Teknik Industri

Eko Ariyanto

Universitas Muhammadiyah Palembang

Author-ID : 233346

Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences

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OPTIMALISASI PENGUKURAN ARUS OLEH CURRENT TRANSFORMER UNTUK MEMINIMALISIR SUSUT ENERGI PADA PABRIK BAJA PT. INTI GENERAL YAJA STEEL DAERAH SEMARANG BARAT Amalia, Devita; Ariyanto, Eko
Gema Teknologi Vol 18, No 1 (2014): April 2014 - October 2014
Publisher : Vocational School Diponegoro University

kWhmeter adalah suatu alat ukur energi listrik yang mengukur secara langsung hasil kali tegangan, arus, faktor kerja, dan waktu yang bekerja selama jangka waktu tertentu. Pengukuran energi yang dominan adalah pengukuran arus, di mana arus yang diukur melebihi arus yang terdapat di kWh meter. Untuk itu dibutuhkan suatu peralatan instrumen yang dapat menurunkan arus yaitu trafo arus. Susut distribusi pada sistem kelistrikan dapat terjadi pada alat pengukur dan pembatas (APP) yang dipergunakan dalam transaksi tenaga listrik dengan pelanggan. Susut yang terjadi pada APP ditentukan oleh akurasi APP dan akurasi pembacaan atau pengambilan data hasil pengukuran. Untuk menghindari atau mengurangi susut tersebut pemilihan trafo arus yang tepat sangat dibutuhkan seperti mengamati seberapa besar ketelitian trafo arus dalam pengukuran. Kelas ketelitian trafo arus, burden, kesalahan sudut, dan juga arus nominal dari sisi primer trafo arus harus diperhatikan. Jika pemilihan tidak sesuai, maka akan memungkinkan terjadinya susut.

SISTEM KONTROL SUHU AIR MENGGUNAKAN PENGENDALI PID. DAN VOLUME AIR PADA TANGKI PEMANAS AIR BERBASIS ARDUINO UNO Megido, Adiel; Ariyanto, Eko
Gema Teknologi Vol 18, No 4 (2016): October 2015 - April 2016
Publisher : Vocational School Diponegoro University

Adiel Megido, Eko AriyantoÂ in this paper explain that the temperature control system on water heaters that use electric heaters, generally uses ON-OFF voltage control. Apart from this system being less efficient in using electricity, the limited range of voltage settings provided also lacks the output accuracy value required by the control system. So that for some applications it can cause a response to the temperature control system that oscillates. Another alternative in controlling the heating voltage is by using the PID control method (Proportional - Integral - Derifative), this method provides a wider range of voltage settings, so that it can provide the output accuracy value needed by the control system, thus making it possible to obtain system responses finer (minimum oscillation amplitude). In addition to problems with the temperature control system, the water volume control system in the water heater tank generally still uses probes that are installed at certain levels. The limitations in reading each change in height / volume of water causes the system output to be less linear (discrete). To produce linear readings and outputs in each change in water volume, a voltage divider can be used. In this final project design will use an electric water heater tank as a medium to determine the ability of the PID controller to control water temperature according to the set-point and control the height / volume of water in the tank using a voltage divider.Â Keywords : PID (Proporsional â€“ Integral â€“ Derifatif), Berosilasi, Set-pointReferencesMalvino, Albert Paul. 1981. Prinsip-prinsip Elektronik edisi kedua. Jakarta: Erlangga.Gunterus, Frans. 1994. Falsafah Dasar : Sistem Pengendalian Proses.Jakarta:Elex Media KomputindoEfendy, Marwan.n.d. Bab 1 Sistem Pengendalian. Surakarta: Universitas Muhamadiyah SurakartaBolton, W. 2009. Sistem Instrumentasi dan Sistem Kontrol. Jakarta:ErlanggaOgata, Katsuhiko. 1996. Teknik Kontrol Automatik Jilid 1-2, Diterjemahkan oleh Ir. Edi Laksono. Jakarta : Erlangga.sPetruzella, Frank D. 1996. Elektronika Industri. Yogyakarta: Andi Yogyakarta.Rashid, H Muhammad. 1999. Elektronika Daya Jilid 1. Jakarta: Prehalindo.Michael Tooley, BA. 2003. Rangkaian Elektronik Prinsip dan Aplikasi Edisi kedua. Jakarta : Erlangga.Bishop, Owen. 2004. Dasar-Dasar Elektronika. Jakarta : Erlangga.Majid, Saifulloh Agung. 2009. Pengontrolan Temperatur Menggunakan Metode Kontrol PID Berbasis Mikrokontroler AT90S8515. Semarang: Jurusan Teknik Elektro Fakultas Teknik Universitas Diponegoro.Surono, dkk. 2009. Bahasa Indonesia Untuk Perguruan Tinggi. Semarang: Farindo Press.Laksono, Suryo Krido, Sumardi, dan Aris Triwiyatno. 2010. Pengaturan Sudut Fasa Berbasis Logika Fuzzy Untuk Sistem Pengaturan Temperatur. Semarang: Jurusan Teknik Elektro Fakultas Teknik Universitas Diponegoro.Firsyari, Akhmad Salmi, Purwanto, M Aziz Muslim. 2013. Sistem Pengendalian Suhu Pada Proses Distilasi Vakum Bioetanol Dengan Menggunakan Arduino. Semarang: Jurusan Teknik Elektro Fakultas Teknik Universitas Diponegoro.Azaria Mutia Suriatmadja. 2013. Modul Kontrol Temperatur Air Berbasis PID Menggunakan Matlab Simulink. Semarang: PSD III Teknik Elektronika Jurusan Teknik Elektro Politeknik Negeri Semarang

PENGENDALIAN KECEPATAN PUTARAN MOTOR DC PADA PENYANGRAI KOPI MENGGUNAKAN PWM BERBASIS ATMEGA 16 Azhar, Ade Siti Sarah; Ariyanto, Eko
Gema Teknologi Vol 19, No 1 (2016): April 2016 - October 2016
Publisher : Vocational School Diponegoro University

Ade Siti Sarah Azhar,Â Eko Ariyanto in this paper explain that Coffee is one of the most popular drinks ever in the history of human civilization. Roasting is one of the most important processes in processing coffee beans that serves to determine the process of forming flavors and aromas in coffee beans. The average roasting process still uses manual methods, so an automatic coffee roaster machine is needed that can support the home roasting process which is equipped with a round control system. It is expected that the roasting process can be carried out quickly. The use of automatic roasting machines aims to save energy and cost and time efficiency. The round control system in this coffee roaster machine uses PWM (Pulse Width Modulation) to regulate speed on a DC motor by regulating the PWM signal which can be done in analog or by using a microcontroller.By using a motor driver, the motor rotation direction can be controlled. When the DC motor rotates its rotation speed can be detected by an optocoupler which then outputs from the optocoupler will send and process data to the Atmega microcontroller 16. The performance of this control system uses a rotation above 60 Rpm with regulated temperatures above 100 Â° C. The performance of this control system gets variations in the results of roasting of coffee beans that are close to the standard of coffee, namely at the rotation of 65 Rpm with a temperature of 130 Â° C and the roasting time of 18 minutes with the color of Light Roast coffee beans. Â Keywords :Speed Control, PWM, DC Motor, Driver Motor, Optocoupler, Mikrocontroller Atmega 16.ReferencesBahroin, Â Anaitul dan Agung Prijo Budijono. 2013. Sistem Kontrol Suhu dan Putaran pada Mesin Penyangrai Kopi Semi Otomatis. Surabaya: Jurusan Teknik Mesin, Fakultas Teknik, Universitas Negeri Surabaya.Ciptadi, W dan Nasution, M.Z. 1998. Pengolahan Biji Kopi. Fakultas Teknologi Institut Pertanian Bogor.Hidayat, Qory. 2012. Pengaturan Kecepatan Motor DC dengan Menggunakan Mikrokontroler Atmega 8535. Balikpapan:Â Jurusan Teknik Elektronika, Politeknik Negeri Balikpapan.Jumadril, dkk. Pengaturan Kecepatan Motor DC menggunakan PWM Berbasis Mikrokontroler Atmega 16. Batam: Teknik Elektro, Fakultas Teknik, Universitas Batam.Juni S,Â Â Â Eryc Tri, Ponco Siwindarto, dan Eka Maulana. 2015. Penyangrai Biji Kopi Otomatis Untuk Rumah Tinggal. Malang: Jurusan Teknik elektro Universitas Brawijaya.Khamdi, Nur. 2014. Aplikasi Optocoupler dalam Sistem Pengaturan Kecepatan Sepeda Listrik. Riau: Program Studi Mekatronika Jurusan Elektro Politeknik Caltex Riau.Surono, dkk. 2008. Bahasa Indonesia Untuk Perguruan Tinggi. Semarang: Fasindo Press.Yahyfian. 2009. Kendali Putaran Motor DC Menggunakan PWM. Bandung: Jurusan Teknik Elektro, Politeknik Negri Bandung.

IMPLEMENTASI SCADA UNTUK MONITORING DAN CONTROLING SERTA KOORDINASI SISTEM PROTEKSI GARDU INDUK SISTEM 1,5 BREAKER PADA GARDU INDUK TEGANGAN EKSTRA TINGGI BERBASIS ARDUINO MEGA 2560 DENGAN TAMPILAN HMI Gumelar B, Muhammad Adi; Ariyanto, Eko
Gema Teknologi Vol 19, No 3 (2017): April 2017 - October 2017
Publisher : Vocational School Diponegoro University

Muhammad Adi Gumelar B, Eko Ariyanto, SCADA is one tool that can monitor and control the system at the substation and can coordinate the protection system area when a disturbance occurs. SCADA monitors the device continuously. This paper is to understand Differential protection areas, CCP, Buspro, and CBF that work when there is interference, namely internal and external interference by applying SCADA as its coordination. 12V DC relay is used as PMT, ACS712 as CT, and Ethernet Shield as Modbus to connect Arduino Mega 2560 with SCADA. Arduino Mega 2560 functions as a controlling center of input and output. The input used is the ACS712 sensor as a detector of the current flowing in the circuit. The Arduino Mega 2560 output signal will be sent to SCADA using an Ethernet Shield and router. Status of substations 1.5 breakers can be monitored with HMI from anywhere by using the SCADA application. In the event of a disturbance, each ACS712 will start reading the current changes and will be processed by Arduino Mega 2560, so that it can determine the protection area that works and trip the relay, SCADA will automatically record disturbances and give an alarm to occur by turning on the protection LED and sounding buzzer alarm.

KOREKTOR FAKTOR DAYA OTOMATIS PADA INSTALASI LISTRIK RUMAH TANGGA Yuniarto, Yuniarto; Ariyanto, Eko
Gema Teknologi Vol 19, No 4 (2018): October 2017 - April 2018
Publisher : Vocational School Diponegoro University

TL lamps, electric motors, Air Conditioner (AC), and other electrical equipment which is widely used for industry and households. Where all the electrical equipment is a burden that is inductive. As a result of the use of an inductive load, causing the falling value of the electrical power factor mounted on the customer can not be used optimally. To overcome this, in this thesis, has created a tool to correct the power factor value automatically. To improve the power factor, is used capacitors mounted in parallel to the load. By using the integrator, it can be obtained how large capacitor must be mounted parallel to the load according to the inductive load changes resulting in improved power factor value. Test results showed that an increase in the value of power factor from 0.34 to 0.95.

EKSISTENSI PLTMH CINTA MEKAR DALAM PEMBERDAYAAN MASYARAKAT MELALUI KOPERASI MEKAR SARI DI DESA CINTA MEKAR KECAMATAN SERANG PANJANG KABUPATEN SUBANG PROVINSI JAWA BARAT Ariyanto, Eko; Setiono, Iman; Sasmoko, Priyo; Pamungkas, Zaka Adi
Gema Teknologi Vol 19, No 4 (2018): October 2017 - April 2018
Publisher : Vocational School Diponegoro University

PLTMH located in CintaMekar Village, SerangPanjang Sub-District, Subang Province, West Java Province, utilizes Ciasem River water, processed so that it has high water fall 17,61 m, water discharge design 1,100 l / s, hydraulic potential of 160 KW, turbine efficiency of 0.73, efficiency of generator 0.89, out put generator 120 KW, loses 4 KW and total electrical energy generated 116 KW. The purpose of development, to help people who were not reached PLN electricity, to empower the community.Empowerment begun from the time of development, where citizens are involved, which then able to become operators. The result of energy from PLTMH is sold to PLN, then the result is reduced for operational costing, maintenance cost, import cost / electricity payment used, depreciation cost of equipment taken from 10% of transactions, divided by two (50% for PT HidropirantiIntiBaktiSadaya, as shareholder) and 50% for Mekar Sari Cooperative, used for community empowerment. Since its operation, people who do not have electricity grid, are connected to electricity. In addition, the proceeds from the sale of electricity to PLN are used to help with the cost of education / scholarship, health, loans for business and cooperative operations. Empowerment implemented or managed Mekar Sari Cooperative. Along with the development of the era, empowerment assistance now being implemented includes: Health Sector in cooperation with Village Midwife, Savings and Loans and Scholarships for Primary School - 10 People and Junior High School - 5 People.

OTOMATISASI PENGATUR SUHU DAN WAKTU PADA PENYANGRAI KOPI ( ROASTER COFFEE ) BERBASIS ATMEGA 16 PADA TAMPILAN LCD ( LIQUID CRYSTAL DISPLAY ) Ristiawan, Masde; Ariyanto, Eko
Gema Teknologi Vol 19, No 1 (2016): April 2016 - October 2016
Publisher : Vocational School Diponegoro University

Masde Ristiawan, Eko Ariyanto Roasting is one of the most important processes in processing coffee beans. So it takes an automatic coffee roaster machine that can support the home roasting process. Basically, this coffee roaster is a heating device, the temperature is regulated following the input setpoint. The heating process is produced by electric heating elements which are controlled by the relay. The temperature sensor used is K type MAXX 6675 Thermocouple. The minimum system of ATmega 16 is used as the overall system control, Users can monitor temperature values and timers, which are displayed via the LCD display. In roasting coffee, roasting weight and temperature are very influential in the length of roasting time. Maximum capacity of 350 gram coffee roasters. To roast coffee with a weight of 100 grams at a temperature of 100 Â° C it takes 34 minutes for light maturity and a temperature of 130 Â° C with the same weight takes 18 minutes.Â Keywords : Thermocouple, Relay, Temperature, Sistem Minimum ATmega 16, LCD, Roaster Coffee.ReferencesSutanto, N. (2012). Rancang Bangun Coffee Producting Machine. Surabaya: Universitas Wijaya Putra.Wijaya, A. (2011). Rancang Bangun Alat Pemanas dan Pengaduk Terintergrasi dengan Temperatur dan Kecepatan Terkendali Berbasis Mikrokontroler. Depok : Universitas Indonesia.Perdana, Y. (2012). Rancang Bangun Alat Penyangrai Kacang Tanah dengan Penggerak Motor DC Berbasis Mikrokontroler AT89s51. Jakarta: Universitas Negeri Jakarta.Kurniawan, R. (2014). Sistem Pengendalian Suhu Menggunakan Metode Fuzzy Logic Pada Tungku Mesin Penyangrai Kopi. Jember : Universitas Jember.Amiq, B. (2015). Rancang Bangun Alat Penyangrai Kopi Semi Otomatis dengan Kapasitas 5Kg. Surabaya: Universitas Negeri Surabaya.Hartanto, S. (2012). Prototipe Pintu Bendungan Otomatis Berbasis Mikrokontroler ATmega 16. Yogyakarta: Universitas Negeri Yogyakarta.Kholatingulloh, T. (2015). Otomatisasi Pengatur Suhu dan Waktu Pada Oven Listrik Berbasis arduino yang ditampilkan pada LCD. Semarang: Universitas Diponegoro.

STUDI KASUS KEHILANGAN KVARH PELANGGAN TARIF I-2 DENGAN DAYA 16.500 VA DAN 17.600 VA DI PT PLN (PERSERO) AREA SEMARANG Kartikaningtyas, Arni; Ariyanto, Eko
Gema Teknologi Vol 18, No 2 (2015): October 2014 - April 2015
Publisher : Vocational School Diponegoro University

Arni Kartikaningtyas, Eko Ariyanto, in this paper explain that In electric power transmission and distribution, volt-ampere reactive (var) is the unit used to measure reactive power into AC electric power system. Reactive power in AC circuits when current and voltage are not in phase. Is a true symbol and Var, var, or VAR, but all three terms are widely used. Var terms proposed by Romanian Constantin Budeanu electrical engineer and was introduced in 1930 by the IEC in Stockholm, which has been adopted as a unit for reactive power. Var can be regarded as both the imaginary part of the apparent power, or the power flowing to the load reactive, where voltages and currents specified in volts and amperes. Two definitions are equivalent. Reactive power into the power unit kVArh is used by passive components beyond resistor which is a power loss or power that is not desirable. This power to a minimum to avoid, or at least minimized, although it will not disappear altogether, by minimizing the power factor. Industrial customers are groups of customers with the use of induction machines used for the induction process that requires a great power to drive the motor and pull out the reactive power usage needs to be taken into account. Customers I 2 is the class of tariffs for industrial purposes being at low voltage with power above 14 kVA to 200 kVA.Â Keywords: VAR, customer Industry.

Co-Authors Adiyatma, Muhammad Riko Ajie Tentara, Muhammad Alfiqhyanto, Damas Alqorni, Muhammad Faris Ani Melani Apriani, Yosi Ardianto, Feby Arni Kartikaningtyas, Arni Azhar, Ade Siti Sarah Budi Santosa Budi Santosa Devita Amalia, Devita Dian Kristiawan Nugroho Dwi Zulfita Edy Wahyudi Eka Ardhianto Eka Sri Yusmartini Farid Samsu Hananto fatimah Fatimah Gumelar B, Muhammad Adi Iman Setiono Juniar, Heni Kharismadewi, Dian Komaini, M Ali Krisna, Andy E Kristiyono, Budi Mardwita, Mardwita Mardwita, Mardwita Megido, Adiel Merisha Hastarina Mitayani Purwoko, Mitayani Muhammad Alvin Pratama Netty Herawati Oktaviansyah, Ikbal Pamungkas, Zaka Adi Priyo Sasmoko Ristiawan, Masde Robiah, Robiah Rosyid Ridlo Al-Hakim Ruliansyah, M. Wahyu Septiaranisi, Eci Dwi Sri Martini Sri Yusmartini, Eka Sungkowo, Aming Surachman Surachman Trikolas, Trikolas Ummi Kalsum Yanuar Zulardiansyah Arief Yuniarto Yuniarto, Yuniarto

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