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All Journal TEKNIK Transmisi: Jurnal Ilmiah Teknik Elektro IJITEE (International Journal of Information Technology and Electrical Engineering) Jurnal Nasional Teknik Elektro dan Teknologi Informasi
Tiyono
Universitas Gadjah Mada
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering

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ANALISIS PROFIL VARIASI TEGANGAN DAN KEANDALAN LISTRIK JARINGAN TEGANGAN RENDAH PLN SEMARANG SELATAN BERBASIS DATA-LOGGER Adiwismono, Agus; Wijaya, F. Danang; Tiyono, T.
TEKNIK Vol 35, No 2 (2014): (Desember 2014)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1442.76 KB) | DOI: 10.14710/teknik.v35i2.7151

Abstract

Pengukuran kualitas dan perhitungan keandalan listrik sampai saat ini masih diperoleh dari data secara manual. Diperlukan alat data-logger yang dapat merekam nilai tegangan (indikator kualitas), dan merekam lama-waktu-padam dan berapa-kali-padam (indikator keandalan) secara realtime, sehingga diperoleh data yang akurat, yang akan meningkatkan mutu dan pelayanan listrik dengan lebih efektif dan efisien. Berbasis data logger maka analisis profil variasi tegangan dapat langsung diketahui yaitu dalam bentuk gambar gelombang (profil) variasi tegangan, demikian pula analisis SAIDI dan SAIFI dapat langsung dilakukan, yaitu dari hasil rekam data selama pengukuran lalu dihitung dengan rumus. Hasil penelitian pada penyulang jaringan tegangan rendah (JTR) SRL01, variasi tegangan yang terjadi adalah: di pangkal penyulang Vmaks = 220 volt, Vmin = 199 volt, dan di tengah penyulang Vmaks = 221 volt, Vmin = 206 volt, dan di ujung penyulang Vmaks = 221 volt, Vmin = 200 volt; dibandingkan terhadap standar variasi Vmaks = 230 volt dan Vmin = 197 volt, maka variasi tegangan yang terjadi sesuai standar. Dari perhitungan, angka lama padam (SAIDI) di sisi JTR penyulang SRL01 0,85 jam/pelanggan/bulan (belum memenuhi standar) dan angka kali padam (SAIFI) 1,05 kali/pelanggan/bulan (sudah memenuhi standar).[The Analysis of Voltage Variation Profile And Electrical Reliability of The Low Voltage Network Using Data-Logger In PLN of South Semarang] Manual measurement applied to the measurement of electricity quality and reliability has resulted in less accurate data. Data logger which records voltage value (quality indicator) and records the realtime duration and frequency of blackouts (reliability indicator) is needed to achieve accurate data, and improve the quality and services effectively and efficiently. By using the data logger the analysis of varied voltage profiles can directly be collected in the form of voltage wave (profiles), and therefore the analysis of SAIDI and SAIFI can be implemented. In the SRL01 low voltage (JTR) feeder, the form of the voltage shows : Vmax = 220 volt and Vmin = 199 volt in starting point feeder, Vmax = 221 volt and Vmin = 206 volt in the middle feeder, Vmax = 221 volt and Vmin = 220 volt in the end point feeder. Compared to the consideration standard, which shows Vmax = 230 volt and Vmin = 197 volt, the result is appropriate. Based on the calculation interruption period quantity (SAIDI) in the side of JTR feeder SRL01 shows the number of 0,85 hour/customer/month (which means it’s still under the standard) and interruption frequency quantity (SAIFI) shows the number of 1,05 time/ customer/month (which means it meets a demand with the standard).Copyright (c) 2014 by Fakultas Teknik, Undip. All right reserved.
PERANCANGAN SETTING RELE PROTEKSI ARUS LEBIH PADA MOTOR LISTRIK INDUSTRI Tiyono, Tiyono
Transmisi Vol 15, No 1 (2013): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (505.785 KB) | DOI: 10.12777/transmisi.15.1.40-46

Abstract

Abstrak   Motor listrik memegang peranan penting dalam proses produksi pada industri. Kerusakan yang terjadi pada motor listrik akan berdampak pada terhambatnya proses produksi pada industri tersebut. Untuk mengurangi kemungkinan kerusakan motor listrik, penentuan spesifikasi dan perancangan proteksi motor merupakan tahapan penting dalam perancangan sistem kelistrikan industri. Proses tersebut dapat menjamin keberlangsungan produksi pada industri dengan aman, efektif, dan efisien. Kerusakan motor listrik terutama disebabkan karena gangguan arus lebih yang dapat disebabkan beban lebih maupun gangguan mekanis. Perancangan proteksi arus lebih meliputi penentuan jenis proteksi yang diperlukan dan setelan peralatan proteksi pada motor. Perancangan menggunakan perangkat lunak ETAP 6.0.0 yang berkemampuan untuk menggambar karakteristik pengasutan motor dan karakteristik kurva waktu-arus proteksi yang digunakan. Peralatan proteksi yang digunakan adalah rele beban lebih, MCB proteksi motor, sekring atau rele arus lebih. Hasil perancangan berupa jenis peralatan proteksi terpilih, setelan, gambar koordinasi proteksi yang koordinatif, selektif dan diskriminatif pada setiap tingkatan daya motor listrik industri.   Kata kunci: motor, kurve arus-waktu, rele arus lebih, setelan.     Abstract   Electric motor plays important role in the industrial production process. The electric motor has potentially a high damage, which can hamper production process in the industry. Determination of the specification and design of motor protection is an important step in the design of industrial electrical systems. The process can ensure the sustainability of production in the industry and the process be continue safely, effectively and efficiently. Damage was mainly due to an electric motor overcurrent disturbances that can be caused due to overload or mechanical disturbances. Overcurrent protection design includes determining the type of protection was required and the settings on the motor’s protection device. Protection design using ETAP 6.0.0, is software that capable to draw the characteristics of the currents motor starting and time-current curves of this protection. Protective device used are over load relay, MCB for motor protection, fuses or overcurrent relays. Results in the form of design protection such as types, settings, curve protection coordinated most selective and discriminative at all levels of motor power in the industry.   Keywords:  motor, time-current curve, over current relay, setting.
Pengembangan Standard Empiris Efikasi Penerangan Listrik Untuk Mendukung Perhitungan Cepat Dalam Perancangan Instalasi Listrik Tiyono
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 2 No 3: Agustus 2013
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (414.31 KB)

Abstract

In the process of drafting/design of electrical installations, especially in the design calculations required the installation of electric lighting fast, to soon be able to provide information about the equipment, technology, power requirements and cost required. Standard empirical efficacy of electric lighting that matches the tropics, is required to support rapid decision-making calculations, can immediately provide information about the equipment, technology, power requirements and cost involved as well as the consideration of energy-saving insights along with the development of the concept of "green building". How research includes surveys various decades building lighting intensity at UGM, spacious room, and satisfaction taste the intensity of lighting in a variety of activities. Finally, the activities of the test samples lighting, to find the type of lights that have high efficiency. From data surveys computed lighting efficacy values for the various buildings. With the analysis of generalization and priorities, both efficacy data and appetite satisfaction, priority parameter can be found. Based on priorities parameters can be made standard empirical efficacy lighting equipment, in 6 status, namely: 1. poorly (< 2W/m2), 2. most economically (between 2 W/m2 and 3 W/m2), 3. economically (between 3W/m2 and 7.5 W/m2), 4. ideally (between 7.5 W / m2 and 11W/m2), 5. luxurious (between 11W/m2 and 15W/m2) or 6. extravagant (> 15W/m2). In the hope the results of this research can be used to help solve the duration problems of electrical installation design.
Design of a Low Cost High Efficiency Multiple Output Self Oscillating Flyback Converter Yogi Sawitra; Prapto Nugroho; Eka Firmansyah; Wahyu Dewanto; Rudy Hartanto; Tiyono Tiyono; Tumiran Tumiran
IJITEE (International Journal of Information Technology and Electrical Engineering) Vol 1, No 2 (2017): June 2017
Publisher : Department of Electrical Engineering and Information Technology,Faculty of Engineering UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1566.858 KB) | DOI: 10.22146/ijitee.29769

Abstract

The use of some integrated circuits in an SMPS circuit are the main factor that increasing the cost. Self-oscillating feedback converter topology is a well-known circuit topology for low-cost application without using any single integrated circuit chip. In this paper, a Low Cost with high efficiency converter without any single integrated circuit component was analysed and designed. It has also multiple outputs of 3.3 V/1 A, 5 V/0.5 A, and 12 V/0.1 A so that it can be used as power supply for DVD player. Experiment results showed that it can deliver continuously output voltage as designed and a total output power of 7.3 W, with an efficiency for about 70%.
Perbaikan Dip Tegangan pada Motor Menggunakan Kompensasi Kapasitif dan Beban Tiruan Tiyono
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 1 No 2: Mei 2012
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (64.503 KB)

Abstract

Quality of voltage stability both in industrial and residence electricity services really becomes a continuity and reliability system demand. But high industrial load, such as motor, welding machine, electric furnace, other high power supply make a flicker or even a voltage dip. The dip affects not only the user, but also the the distribution network, with the result that disturbs other users on the outside of the area. A method decreasing the dip effect is by using voltage compensator, which is a volt ampere rective compensation (VAR-Compensation) injected to load in parallel network.In this paper, VAR on motor load will be investigated. The compensator consists of a capacitor bank A with full of charge in the beginning condition as a compensator and a capacitor bank B with no charge in the beginning condition as a dummy load. The compensator is expected working while before the system is back to normal condition (stable) that is done by either AVR or the generator governor. For example, a high power motor is connected to the network. In the network, ther will be a voltage dip. If in conjunction with the motor to be attached along with the interlinked network of capacitor A and the capacitor A is off again after the normal voltage. Similarly, when the release of the motor, also comes with the inclusion of capacitor B to the network and capacitor B is off again after a normal system voltage.Actually, this compensation method applies past method, for example SVC (Static VAR Compensation). VAR value calculation which is appropriate with starting power motor becomes an attention in this paper. This paper is fully new which is idea and logic.
Co-Authors Agus Adiwismono Eka Firmansyah Fransisco Danang Wijaya Prapto Nugroho Rudy Hartanto Tumiran Wahyu Dewanto Yogi Sawitra