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All Journal ASEAN Journal of Systems Engineering MEDIA ELEKTRIKA PROSIDING CSGTEIS 2013 Jurnal Teknologi Techno (Jurnal Fakultas Teknik, Universitas Muhammadiyah Purwokerto) IJITEE (International Journal of Information Technology and Electrical Engineering) Jurnal Nasional Teknik Elektro dan Teknologi Informasi
Mokhammad Isnaeni Bambang Setyonegoro
Jurusan Teknik Elektro Dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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PENGARUH PEMASANGAN DISTRIBUTED GENERATION TERHADAP PROFIL TEGANGAN PADA JARINGAN DISTRIBUSI Fitrizawati, Mrs; Suharyanto, Mr; Isnaeni B.S., M
Techno Jurnal Ilmu Teknik Vol 13, No 1 (2012): Jurnal Techno April 2012
Publisher : UMP

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Abstract

The need for electrical energy is increasing, as more extensive network of electric power due to greater demand, as well as the distance between the centers of power to the load centers will lead to a reduction in power, because in the delivery of power from the generator to the consumer or customers there is a power loss and voltage drop. To overcome this, there is one solution that can be used to install the Distributed Generation (DG) on distribution networks. The focus of research is to see how the influence of DG before installation and after installation of DG on power distribution systems to improve voltage profile and power losses in distribution networks with variable injection and location. DG potential used is 3 pieces of micro power plants. Testing is done by simulation using ETAP Power Station 6.0 software. The simulation results show before the installation of DG voltage at the end of the network having a voltage drop of 7.06%, after the installation of DG with the injection of 85% of total capacity in section 8, the voltage drop to 1.12% successfully repaired.Key words: Distributed Generation, Voltage Profile 
PENGENDALIAN BEBAN GENERATOR SECARA OTOMATIS DENGAN ALGORITMA PID PADA PLTMH BERBASIS PLC Hardiansyah, Hardiansyah; Firmansyah, Eka; BS, M Isnaeni
Jurnal Teknologi Vol 5 No 2 (2012): Jurnal Teknologi
Publisher : Jurnal Teknologi, Fakultas Teknologi Industri, Institut Sains & Teknologi AKPRIND Yogyakarta

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Abstract

Pusat Listrik Tenaga Mikro-hydro (PLTMh) adalah pusat yang memanfaatkan aliran air untuk menghasilkan tenaga listrik. Dalam menstabilkan aliran listrik yang dihasilkan oleh generator, perlu dilakukan sebuah pengontrolan penggunaan beban pada generator. PLTMh yang ada pada saat ini hanya menggunakan pengontrolan dengan perangkat elektronis yang memiliki beberapa kelemahan antara lain : kestabilannya yang masih kurang baik dan harus dilakukannya pemantaun pada PLTMh secara langsung dan terus menerus, sehingga akan membutuhkan biaya dan tenaga yang sangat banyak. Dengan adanya kelemahan tersebut maka dilakukanlah penelitian ini, yang bisa melakukan pengontrolan pada PLTMh secara otomatis dengan kestabilan yang bagus. Pengontrolan ini menggunakan Programmable Logic controller (PLC) twido TWDLMDA 20 DRT dengan menggunakan algoritma Proportional Integral Derivative (PID), maka pengontrolan yang dihasikan sangatlah cepat dan stabil, walaupun sering terjadi perubahan pada beban. Sistem ini juga menyediakan port modbus sehingga memungkinkan dapat terhubung dengan jaringan Supervisory control and Data Acquisition (SCADA) sehingga bisa melakukan pengontrolan dan pemantauan PLTMh dari jarak jauh. Kata kunci : , PID, SCADA.
THE UTILIZATION OF SEA WATER IN A ESPECIALLY DESIGNED BATTERY (SABRINE SWALL BATTERY) Mursyidah -; Adhi Susanto; Isnaeni BS
ASEAN Journal of Systems Engineering Vol 1, No 1 (2013): ASEAN Journal of Systems Engineering
Publisher : Master in Systems Engineering

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Abstract

Batteries are chemical devices to save electricity. device capable of generating a DC voltage, ie by converting chemical energy contained in it into electrical energy through the reaction of electro clams, Redox (Reduction - Oxidation). The battery consists of several cells, these cells become energy storage in the form of chemical energy. Negative electrode called the cathode, which serve as electron donors. Positive electrode called the anode which serves as an electron acceptor. Between the anode and the cathode current will flow from the positive pole (anode) to the negative pole (cathode). While the electrons will flow from ktoda toward the anode.In this study, the batteries are designed to use sea water as electrolyte. Voltage measured for one cell is 0,75 Volt and measurable current of 100mA, to get the required voltage is 10 Volts 15 cells arranged in series. Testing is done by loading a flashlight with 5 LED, the results of this special design battery capable of powering 5 LED for seven days without stopping, this suggests that there are large energy stored in batteries. After charging the battery energy runs out of energy again just by replacing the sea water as electrolyte. These batteries are designed to be placed in the beach area and waterfront, it is intended that the sea water needs as the electrolyte can be easily obtained. The especially designed battery is one of the low technology and easy to be made, because the necessary materials readily available in the manufacture of batteries, the battery does not require extra maintenance, environmentally friendly and can be used for twenty-four hours as long as there is sea water.
EVALUASI KINERJA IMAG PADA PEMBANGKIT LISTRIK TENAGA MIKROHIDRO COKRO TULUNG KABUPATEN KLATEN Mahalla -; Suharyanto -; M.Isnaeni BS -
MEDIA ELEKTRIKA Vol 6, No 1 (2013): MEDIA ELEKTRIKA
Publisher : PSTE UNIMUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (298.252 KB) | DOI: 10.26714/me.6.1.2013.%p

Abstract

IMAG (Induction Motor as Asynchronous Generator) atau motor induksi yang digunakan sebagai generator asinkron telah banyak digunakan pada Pembangkit Listrik Tenaga Mikrohidro (PLTMh) yang kapasitasnya kecil,yaitu dibawah 100 Kw. Keunggulan IMAG adalah harganya murah, kostruksinya sederhana, perawatan mudah dan banyak terdapat dipasaran, namun permasalahan kestabilan tegangan dan frekuensi pada saat terjadi perubahan beban dan perubahan kecepatan penggerak mula merupakan kendala dalam pengoperasian IMAG. Evaluasi kinerja dari IMAG pada sistem PLTMh perlu dilakukan, yaitu analisis stabilitas tegangan dan frekuensi dan analisis beban harian. Berdasarkan analisis sistem secara umum, effisiensi total IMAG adalah 47,48 % dan posisi ruang turbin dan IMAG masih jauh dari area bebas banjir, sehingga tinggi jatuh (head) dapat ditingkatkan 1 meter menjadi 2,21 meter, hal ini dapat meningkatkan daya potensial dan daya terbangkit sebesar 82,56 % Berdasarkan analisa beban harian, perubahan beban utama mempengaruhi perubahan tegangan dan frekuensi output dari IMAG, hal ini disebabkan karena pengontrol beban yang ada sekarang tidak bisa bekerja dengan cepat (responnya lambat) untuk mengalihkan perubahan beban utama ke beban semu (ballast load). Ada beberapa metode yang bisa dilakukan untuk mengontrol tegangan dan frekuensi, salah satu metode adalah dengan mengatur beban (dummy load). Hasil analisa akan dijadikan rekomendasi untuk perbaikan PLTMh sehingga ketidak stabilan tegangan dan frekuensi bisa diatasi untuk menjamin mutu listrik yang dihasilkan oleh IMAG pada sistem PLTMh.
PENGENDALIAN BEBAN GENERATOR SECARA OTOMATIS DENGAN ALGORITMA PID PADA PLTMH BERBASIS PLC - Hardiansyah; Eka Firmansyah; M Isnaeni BS
MEDIA ELEKTRIKA Vol 5, No 1 (2012): MEDIA ELEKTRIKA
Publisher : PSTE UNIMUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (12447.372 KB) | DOI: 10.26714/me.5.1.2012.%p

Abstract

Micro hydro power system (PLTMh) is a plant thai utilizes water flow. To stabilize the flow of electricity produced by the generator it is necessary to control the use of the load on the generator. PLTMh currently only using electronic devices to controls the lood have some weakness such as monitoring of the PLTMh to be done is directly and continuously so it will cost and effort very much. This research aims to control the PLTMH automatically using Programmable Logic Controller (PLC) twido TWDLMDA 20 DRT using the algorithm Proportional Integral Derivative (PID) and can allow remote monitoring of the PLTMH in combination with Supervisory Control and data Acquisition (SCADA). By wing the PLC controlling the generator can be stabilized on the circumstances we want is at a voltage of 220 volts with a frequency of 50 Hz.Keyword: PLTMH
Evaluasi Jaringan Listrik Pembangkit Listrik Tenaga Mikrohidro Cokro Tulung Kabupaten Klaten Maimun -; Suharyanto -; M.Isnaeni BS -
MEDIA ELEKTRIKA Vol 6, No 1 (2013): MEDIA ELEKTRIKA
Publisher : PSTE UNIMUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1760.256 KB) | DOI: 10.26714/me.6.1.2013.%p

Abstract

Evaluasi yang dilakukan pada jaringan listrik PLTMh Cokro Tulung bertujuan untuk mengetahui karakteristik jaringan listrik tersebut, khususnya rugi-rugi daya, drop tegangan dan faktor daya sistem. Proses evaluasi dilakukan dengan membuat studi aliran daya pada jaringan listrik PLTMh Cokro Tulung dengan bantuan program ETAP 7.0. Studi aliran daya pada jaringan listrik tersebut dilakukan pada saat beban penuh kondisi tidak standar (tegangan sistem 230/400 V) dan kondisi standar (tegangan sistem 220/380 V). Dari hasil simulasi dapat disimpulkan bahwa rugi-rugi daya total (∆PT) yang timbul pada jaringan listrik PLTMh Cokro Tulung saat beban penuh sebesar 241,768 W atau 0,673 % dari daya total keseluruhan (37,54 kW) pada kondisi tidak standard dan 268,442 W atau 0,715 % dari daya total keseluruhan (37,58 kW) pada kondisi standar. Drop tegangan yang timbul pada Saluran Kabel Tegangan Rendah (SKTR) sebesar 1,07 V atau 0,268 % dari tegangan keja atau tegagan nominalnya (400 V) pada kondisi tidak standard dan 1,123 V atau 0,295 % dari tegangan nominalnya (380 V) pada kondisi standar. Drop tegangan yang timbul pada Saluran Udara Tegangan Rendah (SUTR) masing-masing sebesar 6,198 V atau 2,683 % dari tegangan nominalnya (230 V) pada kondisi tidak standar dan 6,994 V atau 3,193 % dari tegangan nominalnya (220 V) pada kondisi standar. Perbaikan faktor daya sampai dengan 90 % yang dilakukan pada jaringan listrik SKTR PLTMh Cokro Tulung dapat mengurangi rugi-rugi daya aktif total (∆PT) sebesar 12,017 % dan juga dapat mengurangi kebutuhan daya reaktif (Q) dan daya semu (S) masing-masing sebesar 35,66 % dan 11,27 %. Selain analisis aliran daya, juga dilakukan analisis-analisis lainnya. Dari hasil analisis tersebut dapat disimpulkan bahwa tegangan dan frekuensi sistem yang sedang beroperasi sekarang ini tidak standar dan kemampuan PLTMh Cokro Tulung sudah maksimal, dimana daya yang disalurkan kebeban-beban sudah mencapai 37,6 kW atau 80 % dari kapasitas tepasang 47,34 kW dengan efesiensi 79,8 % (motor induksi dioperasikan sebagai generator). Hasil analisis akan dijadikan data rujukan (rekomendasi) untuk perbaikan, sehingga jaringan listrik PLTMh Cokro Tulung dapat beroperasi dengan baik dan sesuai dengan standar yang berlaku di Indonesia (PUIL 2000).
Pengaruh Hilangnya Kawat Netral pada Penyulang KBL-5 dan KBL-6 Yusuf Susilo Wijoyo; M. Isnaeni B.S; Sarjiya .; Rian Fatah M.
PROSIDING CSGTEIS 2013 CSGTEIS 2013
Publisher : PROSIDING CSGTEIS 2013

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Abstract

Abstrak—Kondisi jaringan tegangan menengah yang berupa SUTM sangat mungkin mengalami gangguan hubung singkatsatu fase ke tanah (SLG). Pada kasus ini kawat netral sebagai bagian dari pentanahan titik netral memegang peranan penting dalam menentukan besaran arus hubung singkat satu fase ke tanah (SLG). Penyulang KBL-5 dan KBL-6 merupakan daerah dengan kondisi kehilangan kawat netral yang terparah.Penelitian ini meneliti mengenai pengaruh hilangnya kawat netral pada penyulang KBL-5 dan KBL-6 terhadap setting dari ground fault relay (GFR).Kata kunci—kawat netral hilang; SLG; setting GFR; KBL-5; KBL-6
Pengaruh Penutupan-Balik Tak-Sinkron terhadap Generator Induksi 3-Fase dalam Skema Pembangkitan Tersebar M. Isnaeni B. S.; F. Danang Wijaya; Eka Firmansyah
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 6 No 4: November 2017
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

Small and medium-scale plants connected to the distribution line form a distributed generation (DG) system. Unsynchronized reclosing, due to the operation of a recloser, is an important issue in DG systems. In this paper, simulations of typical DG system are performed to show the effect of unsynchronized reclosing. The simulation results show that unsynchronized reclosing causes the generator to experience over speed, over and under voltage, and over current, which can damage or reduce the life of the generator. A permanent short circuit that causes the contact of recloser to open and close repeatedly has a worse effect than a temporary short circuit. Opening the circuit breaker at point of common coupling with the installation of dummy load can reduce the bad effect of unsynchronized reclosing.
Evaluasi Kinerja IMAG pada Pembangkit Listrik Tenaga Mikrohidro Cokro Tulung Kabupaten Klaten Mahalla; Suharyanto; M. Isnaeni B. S.
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 2 No 1: Februari 2013
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

IMAG (Induction Motor as Asynchronous Generator) or induction motor that is used as an asynchronous generator having been widely used in micro-hydro Power Plant (MHP)usually in small capacity, i.e below 100 Kw. The reason for the widespread popularity of induction generator is owing to it’s capability to generate the power from variable speed as well as constant speed prime movers, low unit cost, reduced maintenance, rugged and brushless rotors, absence of a separate d.c. source for excitation, absence of moving contacts, inherent overload protection, improved performance due to low transient impedance, natural protection against short circuit, there are many on the market etc. Their main disadvantage is poor voltage and frequency regulation under varying load and speed. Imag performance evaluation needs to be analyzed including it is voltage stability analysis and frequency analysis in expenses. Based on the analysis of the system in general, efficiency is 47,38% total imag and positions the turbine room and Imag are still far from flood-free area, so a high fall (head) can be increased from 1 m up to 2.21 m, this can increase the potential and generated power of 82.56% Based on the analysis of the daily load, major load changes affect changes in voltage and frequency output of the imag, this was due to the load current controller can not work fast (slow response) to divert the major load changes to the load apparent (ballast load). There are several methods that can be done to control the voltage and frequency, one method of which is to adjust the load (dummy load). The results of the analysis will be in the form of recommendations for improvement so that the MHP and the frequency of the voltage instability can be obtained to ensure the quality of the electricity generated by Imag at MHP system.
Performance of MPSO-MPPT on PV-Based DC Microgrid in Partial Shading Conditions Haneef Nouval Alannibras Humaidi; Mokhammad Isnaeni Bambang Setyonegoro; Sarjiya Sarjiya
IJITEE (International Journal of Information Technology and Electrical Engineering) Vol 5, No 4 (2021): December 2021
Publisher : Department of Electrical Engineering and Information Technology,Faculty of Engineering UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijitee.70449

Abstract

Microgrid is a controllable decentralized group of energy resources and loads with the ability to operate both in grid-connected or island modes. Photovoltaic (PV) is one of the sources that are commonly used in microgrid. PV has a good ability to convert solar irradiation into electrical energy, especially under ideal condition, namely uniform irradiation or non-shading condition. However, PV often has some problems when facing partial shading condition. In this condition, PV does not produce optimal power because it stucks at the local maximum power point (MPP), thus it unables to track the global MPP. For this reason, it is necessary to implement a smart maximum power point tracker (MPPT) that can solve this problem. Furthermore, MPPT will be implemented in pulse width modulation (PWM) to control the buck converter. This study is focused on designing a laboratory scaled microgrid system with PV sources and controlled by modified particle swarm optimization (MPSO)-based MPPT. The 360 Wp PV array used consisted of two strings of three series modules Solarex MSX-60. The performance of the proposed method was compared with perturb and observe (P&O)-based MPPT, which was the commonly used method on MPPT. Furthermore, it was found that P&O and MPSO performed relatively similar accuracy (with difference of 0.04%) in non-shading condition. However, in partial shading condition, MPSO could perform better by producing greater output power so that it delivers better accuracy (98.74% to 99.11%) compared to P&O (57.95% to 71.87%). However, MPSO required a slightly longer time to converge because it had more complicated method and more computational load.
Co-Authors - Hardiansyah Adhi Susanto Alfi Bahar Anak Agung Gede Sugianthara Doane Puri Mustika Eka Firmansyah Eka Firmansyah Elang Bayu Trikora Fransisco Danang Wijaya Haneef Nouval Alannibras Humaidi Hardiansyah Hardiansyah Maemonah, Maemonah Mahalla Mahalla - Mahalla, Mahalla Maimun - Mohd. Brado Frasetyo Mr Suharyanto, Mr Mrs Fitrizawati, Mrs Muhammad Yasirroni Mursyidah - Rian Fatah M. Sarjiya Sasongko Pramono Hadi Suharyanto Suharyanto Tumiran Yusuf Susilo Wijoyo