Articles
<![CDATA[Induction Motor Monitoring System Base on Fuzzy Logic Controller ]]>
<![CDATA[Prof. Rukmi Sari Hartati]]>;
<![CDATA[Ida Bagus Gede Manuaba]]>;
<![CDATA[I Made Mataram]]>
<![CDATA[ Journal of Electrical, Electronics and Informatics Vol 4 No 1 (2020): JEEI (February 2020) ]]>
Publisher : <![CDATA[Institute for Research and Community Services Udayana University ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.24843/JEEI.2020.v04.i01.p03
<![CDATA[Squirrel cage induction motor is an AC electric motor that is most widely used in industry. This type of motor is chosen because it does not have a commutation brush, and its construction is strong, so it can withstand large, easy flow surges for repair and maintenance. The problem that often occurs is the imbalance of supply voltage which causes motor efficiency to decrease. An imbalance of voltage will result in a current not equal. As a result of phase currents that are much larger than other phases result in an increase in temperature and speed on the motor. This research was conducted to monitor the induction motor so that it can determine the condition of the motor when receiving a voltage imbalance. The method used in the induction motor condition monitoring system is the fuzzy logic method. Parameters that can be monitored are categorized into three conditions: normal (good) motor condition, damage (serious) and serious damage.]]>
<![CDATA[Improving Performance Stability of Power System Java-Bali Interconnection with PIDPSS3B and PIDSVC Controllers ]]>
<![CDATA[Ida Bagus Gede Manuaba]]>;
<![CDATA[Putu Arya Mertasana]]>;
<![CDATA[Made Mataram]]>;
<![CDATA[Cok Gede Indra Partha]]>
<![CDATA[ Journal of Electrical, Electronics and Informatics Vol 1 No 1 (2017): JEEI (February 2017) ]]>
Publisher : <![CDATA[Institute for Research and Community Services Udayana University ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.24843/JEEI.2017.v01.i01.p04
<![CDATA[Modern electric power system that many its dynamic equipment continuously vulnerable to internal and external disturbances. On the condition of the disorder, it often happen oscillation in each part or between parts of the electrical system is interconnected. These oscillations become a major problem for the stability of the power system. Modern electrical control systems require a sustainable balance between power generation and demand varying loads. Power System Stabilizer and Static Var Compensator is a control device that is used to dampen low frequency oscillations and to provide additional feedback signal to stabilize the system. To increase the damping, system equipped with PSS generator that provides additional feedback to stabilize the signal in the excitation system. It is generally that the machine parameters changed by the load, so the dynamic behavior of the different machines at different operating conditions. Design PIDPSS3B power system stabilizer and PIDSVC controller used aim to get performance and optimum damping. Design and optimization of the proposed has the ability to optimally dampen and suppress errors are minimal.]]>
<![CDATA[Perbandingan Face Recognition dan QR Code Dalam Sistem Absensi Menggunakan Geolocation Berbasis Mobile ]]>
<![CDATA[I Gusti Ngurah Gede Agung Suniantara]]>;
<![CDATA[Linawati Linawati]]>;
<![CDATA[Ida Bagus Gede Manuaba]]>
<![CDATA[ Jurnal Teknologi Elektro Vol 21 No 1 (2022): (Januari - Juni) Majalah Ilmiah Teknologi Elektro ]]>
Publisher : <![CDATA[Universitas Udayana ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.24843/MITE.2022.v21i01.P11
<![CDATA[Intisari— Perkembangan teknologi yang semakin canggih membuat perangkat mobile menjadi alternatif utama dalam mengelola urusan kehidupan. Perangkat mobile yang menawarkan adanya layanan dan komputasi adalah smartphone. Kecanggihan teknologi smartphone dapat dimanfaatkan untuk memproses absensi. Sistem absensi merupakan sistem yang dapat mencatat kehadiran setiap pengguna, sistem absensi dapat diproses menggunakan beberapa jenis absensi diantaranya absensi secara konvensional menggunakan tanda tangan dan absensi digital menggunakan Face Recognition dan QR code. Dalam memproses sistem absensi fitur geolocation dapat digunakan untuk mencari lokasi. Penelitian ini mempunyai tujuan untuk menjelaskan dan menentukan metode absensi digital yang terbaik antara Face Recognition dan QR code menggunakan geolocation. Berdasarkan penjelasan dari penelitian sebelumnya dan melakukan perbandingan antara metode Face Recognition dan QR code dalam memproses sistem absensi didapatkan hasil metode QR code merupakan metode terbaik untuk absensi digital karena memiliki akurasi yang tinggi dan penerapannya lebih mudah. Kata Kunci— Sistem Absensi, Perangkat Seluler, Geolocation, Pengenalan Wajah, Kode QR.]]>
<![CDATA[Komparasi Metode Peramalan Grey dan Grey-Markov untuk mengetahui Peramalan PNBP di Universitas Udayana ]]>
<![CDATA[I Dewa Nyoman Anom Manuaba]]>;
<![CDATA[Ida Bagus Gede Manuaba]]>;
<![CDATA[Made Sudarma]]>
<![CDATA[ Jurnal Teknologi Elektro Vol 21 No 1 (2022): (Januari - Juni) Majalah Ilmiah Teknologi Elektro ]]>
Publisher : <![CDATA[Universitas Udayana ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.24843/MITE.2022.v21i01.P12
<![CDATA[Forecasting is the process of estimating a future value using data from the past or data from the present as a reference. Forecasting is a critical component of an organization's short- and long-term planning as a reference for management decision making. Identifying the data pattern in the time series data utilized is a crucial step in identifying the best forecasting approach for the data pattern. The Gray Prediction Model is a forecasting technique that can be used with partial data or a little amount of data. The Grey-Markov forecasting approach may be used to make very accurate forecasts using Udayana University education acceptance data, which is limited, with only five historical data and data patterns classed as horizontal data patterns with modest fluctuations.]]>
<![CDATA[Literature Review Metode Reduksi Harmonisa Berbasis Kecerdasan Buatan pada Multilevel Inverter ]]>
<![CDATA[Gede Patrianaya Margayasa Wirsuyana]]>;
<![CDATA[Linawati Linawati]]>;
<![CDATA[Ida Bagus Gede Manuaba]]>;
<![CDATA[Rukmi Sari Hartati]]>
<![CDATA[ Jurnal Teknologi Elektro Vol 21 No 1 (2022): (Januari - Juni) Majalah Ilmiah Teknologi Elektro ]]>
Publisher : <![CDATA[Universitas Udayana ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.24843/MITE.2022.v21i01.P08
<![CDATA[Multilevel inverter (MLI) is one type of inverter that has a multilevel output voltage. Although its better than conventional inverters, the MLIs operating at low frequency still contains low-order harmonics at the output voltage and current which have a negative impact on electrical system. To overcome these problems, Many researchers have developed various control and modulation techniques on inverters to reduce harmonics and minimize switching losses with the aim of optimizing inverter’s efficiency. Selective harmonic elimination pulse-width modulation (SHEPWM) is the most optimal control of all methods that have been developed to remove low-order harmonics from the inverter output voltage. However, there are challenges in the MLIs analysis process using SHEPWM because solving these equations is difficult. Bio-inspired intelligent algorithms (BIAs) is used to solve this problem. This paper describes in full a review of various studies that have been carried out previously related to the operating principle of nine types of BIA and their application in reducing harmonics. The conclusions has been made on the basis of information extracted from the literatures. All important information in this paper regarding harmonic reduction in MLI will help future research to design efficient power conversion systems. Keywords— Bio-inspired algorithm, harmonics, multilevel inverter, optimization, selective harmonic elimination.]]>
<![CDATA[Metode Maximum Power Point Tracking pada Panel Surya : Sebuah Tinjauan Literatur ]]>
<![CDATA[Gede Patrianaya Margayasa Wirsuyana]]>;
<![CDATA[Rukmi Sari Hartati]]>;
<![CDATA[Ida Bagus Gede Manuaba]]>
<![CDATA[ Techné : Jurnal Ilmiah Elektroteknika Vol. 21 No. 2 (2022) ]]>
Publisher : <![CDATA[Fakultas Teknik Elektronika dan Komputer Universitas Kristen Satya Wacana ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.31358/techne.v21i2.321
<![CDATA[Metode pelacakan titik daya maksimum (MPPT) yang efisien memainkan peran penting untuk meningkatkan efisiensi sistem pembangkit fotovoltaik (PV). Studi ini memberikan tinjauan tentang status metode MPPT saat ini untuk sistem PV yang diklasifikasikan ke dalam tiga kategori. Kategorisasi didasarkan pada karakteristik pelacakan dari metode yang dibahas. Pada penelitian ini juga dilakukan perbandingan antar metode MPPT berdasarkan tiga parameter yaitu waktu konvergensi, tingkat osilasi, dan efisiensi sebagai acuan pemilihan metode untuk membuat analisis yang komprehensif. Tinjauan literatur yang dijelaskan dalam penelitian ini dapat digunakan sebagai referensi untuk mengatasi kesenjangan untuk penelitian lebih lanjut di bidang ini. Tinjauan komparatif dalam bentuk tabel juga disajikan di akhir pembahasan setiap kategori untuk mengevaluasi kinerja metode ini, yang akan membantu dalam memilih teknik yang sesuai untuk aplikasi tertentu. Hasil yang didapatkan adalah metode konvensional unggul pada waktu tracking yang cepat sedangkan metode metaheuristic unggul pada efisiensi dan osilasi yang rendah.]]>
<![CDATA[Three-phase four-wire shunt hybrid active power filter model with model predictive control in imbalance distribution networks ]]>
<![CDATA[Asep Andang]]>;
<![CDATA[Rukmi Sari Hartati]]>;
<![CDATA[I Bagus Gede Manuaba]]>;
<![CDATA[I Nyoman Satya Kumara]]>
<![CDATA[ International Journal of Electrical and Computer Engineering (IJECE) Vol 12, No 6: December 2022 ]]>
Publisher : <![CDATA[Institute of Advanced Engineering and Science ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.11591/ijece.v12i6.pp5923-5937
<![CDATA[This paper presents a harmonic reduction and load imbalance model in a three-phase four-wire distribution network. This model uses a hybrid active power filter, a passive inductor and capacitor filter, and an active power filter in the form of a three-phase, four-leg connected grid inverter. The switching of the voltage source converter on this filter uses finite control set model predictive control (FCS-MPC). Control of this hybrid active power filter uses model predictive control (MPC) with a cost function, comparing the reference current and prediction current with mathematical modelling of the circuit. The reference current is taken from the load current by extracting dq, and the predicted current is obtained from the iteration of the voltage source converter (VSC) switching pattern. Each combination is compared with the reference current in the cost function to get the smallest error used as a power switching signal. Modelling was validated by using MATLAB Simulink. The simulation results prove a decrease in harmonics at a balanced load from 22.16% to 4.2% and at an unbalanced load, reducing the average harmonics to 4.74%. The simulation also decreases the load current imbalance in the distribution network. Reducing the current in the neutral wire from 62.01%-0.42% and 11.29-0.3 A.]]>
<![CDATA[Perancangan Sistem Monitoring Sun Tracker Dual Axis Berbasis Web Socket ]]>
<![CDATA[I Wayan Eka Krisna Putra]]>;
<![CDATA[Made Sudarma]]>;
<![CDATA[Ida Bagus Gede Manuaba]]>
<![CDATA[ Majalah Ilmiah Teknologi Elektro Vol 22 No 1 (2023): (Januari - Juni) Majalah Ilmiah Teknologi Elektro ]]>
Publisher : <![CDATA[Program Studi Magister Teknik Elektro Universitas Udayana ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.24843/MITE.2023.v22i01.P10
<![CDATA[Sun tracker is a system that developed to get the maximum energy of sun light while following the sun position. Most of the solar panels do not have this kind of technology to monitor the position that has the maximum voltage, thus a website application is made to monitor the voltage that is received by the sun tracker in realtime. Web socket technology is the solution to obtain information in real-time. Socket.io is the service that is used to fulfill this web socket technology in this development system. Socket.io is a web socket technology for websites that allows servers to process data in real time so that information on the angle position of the sun tracker and the voltage received by the solar panel can be sent to the website in real time. As a result, this monitoring system is able to move the solar panel in accordance with the direction of sunlight and display the angular position of the solar panel and graph of the voltage received by the solar panel directly (real-time) using socket.io. Keyword— Monitoring, Socket.io, Sun Tracker, Solar Panel]]>
<![CDATA[Pengaruh PLTB Sidrap Terhadap Sistem Kelistrikan Sulawesi Selatan ]]>
<![CDATA[I Putu Riasa]]>;
<![CDATA[Rukmi Sari Hartati]]>;
<![CDATA[Ida Bagus Gede Manuaba]]>;
<![CDATA[Dewa Ayu Sri Santiari]]>
<![CDATA[ Jurnal Teknologi Elektro Vol 19 No 1 (2020): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro ]]>
Publisher : <![CDATA[Program Studi Magister Teknik Elektro Universitas Udayana ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.24843/MITE.2020.v19i01.P04
<![CDATA[New and renewable energy has become the green energy trend in the electric power system going forward. The Bayu Power Station (PLTB) is one of the centers of electricity generation with a primary source of energy that is pollution-free and environmentally friendly. Currently in the South Sulawesi system, PLTB has operated with a total power of 70 MW at a base load of around 700 MW. Because PLTB is very dependent on wind conditions, the power generated becomes unstable and this has a significant intermittent effect on the stability of the system. The results of this study indicate that the intermittent composition of nuclear power plants is increasing from the April-July 2018 period. This ever increasing contribution disrupts frequency stability in the South Sulawesi system]]>
<![CDATA[Perbandingan Face Recognition dan QR Code Dalam Sistem Absensi Menggunakan Geolocation Berbasis Mobile ]]>
<![CDATA[I Gusti Ngurah Gede Agung Suniantara]]>;
<![CDATA[Linawati Linawati]]>;
<![CDATA[Ida Bagus Gede Manuaba]]>
<![CDATA[ Jurnal Teknologi Elektro Vol 21 No 1 (2022): (Januari - Juni) Majalah Ilmiah Teknologi Elektro ]]>
Publisher : <![CDATA[Program Studi Magister Teknik Elektro Universitas Udayana ]]>
Show Abstract
|
Download Original
|
Original Source
|
Check in Google Scholar
|
DOI: 10.24843/MITE.2022.v21i01.P11
<![CDATA[Intisari— Perkembangan teknologi yang semakin canggih membuat perangkat mobile menjadi alternatif utama dalam mengelola urusan kehidupan. Perangkat mobile yang menawarkan adanya layanan dan komputasi adalah smartphone. Kecanggihan teknologi smartphone dapat dimanfaatkan untuk memproses absensi. Sistem absensi merupakan sistem yang dapat mencatat kehadiran setiap pengguna, sistem absensi dapat diproses menggunakan beberapa jenis absensi diantaranya absensi secara konvensional menggunakan tanda tangan dan absensi digital menggunakan Face Recognition dan QR code. Dalam memproses sistem absensi fitur geolocation dapat digunakan untuk mencari lokasi. Penelitian ini mempunyai tujuan untuk menjelaskan dan menentukan metode absensi digital yang terbaik antara Face Recognition dan QR code menggunakan geolocation. Berdasarkan penjelasan dari penelitian sebelumnya dan melakukan perbandingan antara metode Face Recognition dan QR code dalam memproses sistem absensi didapatkan hasil metode QR code merupakan metode terbaik untuk absensi digital karena memiliki akurasi yang tinggi dan penerapannya lebih mudah. Kata Kunci— Sistem Absensi, Perangkat Seluler, Geolocation, Pengenalan Wajah, Kode QR.]]>
