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All Journal International Journal of Electrical and Computer Engineering TELKOMNIKA (Telecommunication Computing Electronics and Control) Sinergi Journal of Electrical Technology UMY INTEK: Jurnal Penelitian Jurnal JEETech Jurnal Teknik Mesin Sinergi

Makmur Saini

Politeknik Negeri Ujung Pandang

Author-ID : 687485

Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Library & Information Science Mechanical Engineering

Published : 24 Documents Claim Missing Document

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Articles

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Algorithm for Fault Location and Classification on Parallel Transmission Line using Wavelet based on Clarke’s Transformation Makmur Saini; A. A. Mohd Zin; M. W. Mustafa; A. R. Sultan; Rusdi Nur
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 2: April 2018
Publisher : Institute of Advanced Engineering and Science

This paper proposed a new algorithm for fault location and classification using wavelet based on Clarke’s transformation to obtain the fault current. This novel method of fault current approach is studied by comparing the use of the glide path of the fault voltage. The current alpha and beta (Current Mode) were used to transform the signal using discrete wavelet transform (DWT). The fault location was determined by using the Clarke’s transformation, and then turned into a wavelet, which was very precise and thorough. The most accurate was the mother wavelet Db4 which had the fastest time and smallest error detection when compared with the other wavelet mothers. In this study, the Clarke’s transformation is also compared with the Karenbauer’s, which has produced results with similar error percentage. The simulation results using PSCAD / EMTDC software showed that the proposed algorithm could distinguish internal and external faults to get the current signal in the transformation of a signal fault.

Dynamic performance comparison of DFIG and FCWECS during grid faults A. M. Shiddiq Yunus; Makmur Saini; Ahmed Abu-Siada
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 2: April 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i2.11747

Among several types, variable speed-based wind turbine generator (WTG) is the most popular type installed worldwide. This type of WTG is able to extract 5% more energy from wind speed compared to the fixed speed WTG. There are two kinds of variable speed based WTG; Doubly Fed Induction Generator (DFIG) and Full Converter Wind Energy Conversion System (FCWECS). DFIG and FCWECS are placed at the first and second topWTG installation worldwide since 2004. However, both of them are very sensitive to the grid dip fault and may violate the allowable margins identified by various international Fault Ride Through (FRT) codes. This paper aims to investigate the responses of DFIG and FCWECS during certain level of grid dips and compare their performanceunder such event. Results show some differences of the performance of DFIG and FCWECS during voltage sag event, however the voltage profile at the point of common coupling is much better in case of DFIG. Results also recommend that DFIG can be effective when connected to weak grids whilst FCWECS is preferably to be connected to strong grids.

Load Flow Analysis After the Entry of Renewable Power Plants in the Sulselrabar System Muhammad Ruswandi Djalal; Makmur Saini; A.M Shiddiq Yunus
Journal of Electrical Technology UMY Vol 5, No 2 (2021): December
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.v5i2.12897

Power flow analysis in an electric power system is an analysis that reveals the performance of an electric power system and the flow of power (active and reactive) for certain conditions when the system is working. The analysis was carried out using the ETAP 16.00 software, the method used was the newton rapshon by taking a case study of normal conditions. From the results of the study, it can be seen that the power flow that occurs in each channel of the 150 kV system in the South Sulawesi system. The amount of active power (MW) that occurs during normal conditions based on the simulation is 1730.87 MW, where the active power is the largest, which is 171 MW from BUS15_TLASA to BUS13_SGMNSA. For the voltage data, there is a slight comparison of the voltage during the simulation compared to the PLN data.

Distributed Generation installed by the Phasor Measurement Unit to improve voltage Azriyenni Azhari Zakri; Rangga Eka Saputra; Makmur Saini; Hidayat Hidayat
SINERGI Vol 26, No 1 (2022)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2022.1.006

This study is intended to design a system connected to the Distributed Generation (DG) sourced from solar cells, using Matlab/Simulink. A Phasor Measurement Unit (PMU) is installed in the DG system to monitor the phasor voltage and current. Furthermore, the system comprises four buses with two 20 kV load voltages, two amplifying transformers, and four transmission lines. The DG's role is to keep the power supply to the load stable and improve power efficiency by reducing power losses on the network. However, in this network, the DG increases the current on each bus. Thus, affecting voltage increase on each bus, consequently increasing the stress experienced by both loads. The DG-connected system simulation on PMU-3 & PMU-4 has a minute error value of 0.02% and is slightly higher than the unconnected simulation. This comparison also shows the positive sequence values of the phasor currents as well as phasor voltages before and after the DG connection. The DG system connected to the PMU has monitored voltage and current for PLN and DG systems based on the simulation results. Therefore, installing the DG can increase the line voltage, especially on the load.

Pemanfaatan Thermoelectric Generator pada Pembangkit Listrik Tenaga Surya (PLTS) Sukma Abadi; Makmur Saini; Andar Triwijaya; Fina Pratiwi
Jurnal Teknik Mesin Sinergi Vol 17, No 1 (2019): April 2019
Publisher : Politeknik Negeri Ujung Pandang

Pemanfaatan Thermoelectric Generator pada Pembangkit Listrik Tenaga Surya (PLTS)

Analisa Keseimbangan Energi PLTU Takalar (Punagaya) Unit 2 Berdasarkan Perubahan Beban Makmur Saini; Nur Hamzah; Devi Prasetyo Utomo
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

This study aims to calculate the efficiency and heat rate of the unit 2 PLTU Takalar (Punagaya) system with the energy balance calculation method, calculate the NPHR value of PLTU Takalar (Punagaya) unit 2 when the unit is operating, and also to determine the energy loss from the conversion energy results at PLTU Takalar (Punagaya) unit 2 when the unit operates. The PLTU's Net Plant Heat Rate (NPHR) value is a very important role as an indicator of the performance of a steam power plant. The real-time NPHR value calculation using the energy balance method can be used as an evaluation material to control the operation pattern of the generator in order to obtain optimal operation. The method used in this research is to collect direct and indirect data to calculate the energy balance and NPHR of PLTU Takalar (Punagaya) unit 2 during the reliability run period. The calculations carried out include the calculation of the energy balance in the boiler, the energy balance in the steam cycle, the balance of electrical energy, the efficiency of the PLTU and NPHR systems. Based on the results of calculations that have been carried out the efficiency and NPHR of PLTU Takalar (Punagaya) unit 2 is the best during the reliability run of 32.76% and 2801.93 kcal / kWh at full load conditions with an energy loss value of 220.60 MW. The performance of PLTU Takalar (Punagaya) unit 2 during the reliability run is very good where the unit operates continuously and the NPHR value when full load fulfills the contract warranty and the maximum operating target.

Studi Estimasi Beban Puncak Hari Libur Nasional Sistem Interkoneksi Sulselbar Menggunakan Jaringan Syaraf Tiruan Propagasi Balik Makmur Saini; A.M. Shiddiq Yunus; Firdaus Firdaus
Jurnal Teknik Mesin Sinergi Vol 18, No 2 (2020): Oktober 2020
Publisher : Politeknik Negeri Ujung Pandang

The development of population from time to time is increased and the need for electricity consumption is also increased. Simultaneously increasing the need for electric power requires the provider of electricity supply in this case PT. PLN (Persero) should deliver power effectively to consumers. To maximize the distribution of electricity to the consumer, a load planning is required. This load planning is conducted to find out how much amount of power is required by consumer. The purpose of this research is to investigate the need of power load of interconnection system of South Sulawesi and to investigate the accuracy of load planning using Artificial Neural Network (ANN) backpropagation.

Penggunaan Bahan Bakar High Speed Diesel dan Marine Fuel Oil Terhadap Biaya Operasi PLTD Nur Hamzah; Makmur Saini; Makbul Makbul
Jurnal Teknik Mesin Sinergi Vol 18, No 1 (2020): April 2020
Publisher : Politeknik Negeri Ujung Pandang

Pembangkit Listrik Tenaga Diesel merupakan salah satu yang dapat mengatasi permasalahan pada beban puncak karena dapat dioperasikan secara cepat dan mudah serta dapat mensuplai daya yang cukup besar, baik sebagai pensuplai utama daya maupun sebagai cadangan untuk mengatasi beban puncak pada daerah perkotaan sebagai pusat beban. Dengan adanya kenaikan harga bahan bakar, PT. PLN (Persero) UL-PLTD Tello Makassar berupaya mengurangi biaya pemakaian bahan bakar tanpa mengurangi produksi listrik. PT. PLN (Persero) menggunakan dua jenis bahan bakar yaitu High Speed Diesel ke Marine Fuel Oil. Penelitian ini berfokus pada efisiensi penggunaan bahan bakar High Speed Diesel dan Marine Fuel Oil serta biaya penggunaan bahan bakar tersebut dalam pengoperasian Pembangkit Listrik Tenaga Diesel di PT. PLN (Persero) Induk Pembangkitan dan Penyaluran Sulawesi Unit Pelaksana Pengendalian Pembangkitan Tello, Kota Makassar, Provinsi Sulawesi Selatan. Nilai efisiensi thermal Pembangkit Listrik Tenaga Diesel terbesar yang diperoleh yaitu pada tanggal 20 Januari 2018 sebesar 40,02 % dengan nilai SFC yaitu 0,262 l/kWh. Sedangkan nilai efisiensi thermal Pembangkit Listrik Tenaga Diesel terkecil yaitu pada tanggal 25 Januari 2018 sebesar 38,62 % dengan nilai SFC yaitu 0,267 liter/kWh. Biaya total penggunaan bahan bakar PLTD terbesar yaitu pada tanggal 19 Januari 2018 sebesar Rp. 181.014.222,00 dengan penggunaan bahan bakar Marine Fuel Oil sebesar Rp. 167.815.245,00 dan biaya penggunaan bahan bakar High Speed Diesel sebesar Rp. 13.198.977,00.

Uji Performa Termoelektrik pada Generator Air Cooler Makmur Saini; Sonong Sonong; Aslan Afif; Suhartiwi Suaib
Jurnal Teknik Mesin Sinergi Vol 19, No 2 (2021): Oktober 2021
Publisher : Politeknik Negeri Ujung Pandang

Generator Air Cooler (GAC) is an important part of the hydropower system which is used to cool the air in the generator room. GAC is a form of application of a heat exchanger (heat exchanger) with water as a coolant. There is a difference in air temperature before and after the GAC, so presumably it can be utilized by using a thermoelectric which is expected to work well as a coolant, in this case it takes into account its ability to absorb heat as a thermoelectric input and generate electrical energy as its output. From the test results, the addition of a thermoelectric was able to increase the effectiveness and NTU and also reduce LMTD. The effectiveness of the resulting GAC without thermoelectric addition yielded 89.90%, 91.85%, and 91.51%. Meanwhile, if the thermoelectric is added, it is 91.39%, 92.82%, and 92.58%. The electric power generated from three days of thermoelectric testing was 0.022W, 0.019W, and 0.021W, with an efficiency of 6.44%, 5.18%, and 4.07%.

Analisis Kestabilan Transien dan Mekanisme Pelepasan Beban Pada Jaringan Listrik Wilayah Sulselbar Setelah Penambahan PLTU Punagaya Marhatang Marhatang; Makmur Saini; Muhammad Ikram Fauzan; Erniwati Erniwati
Jurnal Teknik Mesin Sinergi Vol 18, No 1 (2020): April 2020
Publisher : Politeknik Negeri Ujung Pandang

Kebutuhan listrik semakin hari semakin meningkat baik itu pada sektor perumahan maupun sektor perindustrian. Seiring dengan pertumbuhan beban maka penambahan pembangkit juga diperlukan. Pada jaringan listrik wilayah Sulselrabar, telah diadakan penambahan sejumlah pembangkit dan salahsatunya adalah PLTU Punagaya Jeneponto yang berkapasitas 2x100 MW. Penambahan pembangkit ini menyebabkan kestabilan pada sistem bisa berubah, sehingga dibutuhkan studi kestabilan transien untuk mengetahui kestabilan sistem pada jaringan Sulselrabar saat terjadi gangguan.Pengambilan data berupa spesifikasi generator, transformator, jaringan transmisi dan beban yang ada pada Unit Pengaturan Beban PT. PLN Wilayah Sulselrabar. Pada penelitian ini dilakukan simulasi kestabilan transien menggunakan software ETAP 12.6 dengan memberikan gangguan pada sistem berupa generator lepas dan hubung singkat. Selanjutnya jika sistem mengalami ketidakstabilan akan dilakukan mekanisme pelepasan beban. Berdasarkan hasil simulasi, menunjukkan bahwa pada kasus lepasnya generator unit 2 Barru, sistem masih dapat mempertahankan kestabilannya. Namun pada kasus lepasnya PLTU BE, rata-rata penurunan tegangan mencapai 9,34% dan menyebabkan karakteristik sistem sudah tidak dapat berada pada range yang diizinkan sehingga dibutuhkan pelepasan beban sebesar 56,213 MVA. Pada kasus hubung singkat, sistem masih dapat mempertahankan kestabilannya meskipun rata-rata penurunan tegangan sesaat pada saat terjadi gangguan mencapai 68,97%.

Co-Authors A. A. Mohd Zin A. M. Shiddiq Yunus A.M Shiddiq Yunus A.M. Shiddiq Yunus Ahamad Rizal Sultan Ahmed Abu-Siada Andar Triwijaya Andareas Pangkung Aslan Afif Azriyenni Azhari Zakri Deum Patria F Abbas Devi Prasetyo Utomo Erniwati Erniwati Fina Pratiwi Firdaus Firdaus Fuad, M. Syaiful Golda Evangelista Patrix Herman Nawir, Herman Hidayat Hidayat Hijrawati Buralangi, Nurul Ibrahim Ibrahim Isradianto, Isradianto Jamal, M Fachmi M. W. Mustafa Maghfirah Maghfirah Makbul Makbul Marhatang Marhatang Muh Yassir Muh Yusuf Yunus Muh. Yusuf Yunus Muhakkir Muhakkir Muhakkir, Muhakkir Muhammad Azhar Muhammad Ikram Fauzan Muhammad Ruswandi Djalal Muhammad Yusuf Yunus Nur Hamzah Rangga Eka Saputra Remigius Tandioga Risal Akbar Rusdi Nur Rusdi Nur Rustang Rustang Sattar Sattar, Sattar Shiddiq Yunus, A.M Sonong Suhartiwi Suaib Sukma Abadi Yusmar Yusmar Yusmar, Yusmar Yusril Has Barlian Yusuf Yunus, Muhammad

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