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Journal : Energi

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PEMODELAN KONTROL FREKUENSI BEBAN DAN STRATEGI PEMUTUSAN BEBAN PADA PEMBANGKIT LISTRIK TENAGA GAS Redaksi Tim Jurnal
Energi & Kelistrikan Vol 8 No 2 (2016): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

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Abstract

In a power system, load always changes; power flows to the system will be vary too. In the event of two interconnected power generations trip one of its generators unit, there will be a change in frequency. A model is developed to simulate the trip events, a model that represents gas turbine generator, GAST is turbine model used to simulate unit's frequency response against load changes in the power system. Using SIMULINK, a simulation tool a model for multi area is made, First model aims to distinct the response using the primary governor controller and secondary controller PID. PID control provides better transient oscillation of frequency response. Tie line bias control is used to zero frequency deviation in steady state, The generator characteristics allows balanced load-sharing between the two control areas. An extreme power failure condition is simulated to see worst frequency deviation may possible to occur in power system, an extreme condition where the load increases exceeding the power system’s maximum capacity. Load shedding of significant load can be done to restore the system’s frequency back to its nominal and prevent system collapse.
PENGUJIAN KONDISI ISOLASI MAIN TRANSFORMATOR GTG 1.1 DENGAN METODE DIELECTRIC RESPONSE ANALYSIS (DIRANA) Redaksi Tim Jurnal
Energi & Kelistrikan Vol 8 No 2 (2016): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

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Abstract

One Way to Maintain reliability review namely with a transformer maintenance how to operate good. transformer maintenance operations can be done online or hearts operational state and operates offline or exit network. Operates offline transformer testing can be done with condition assessment method used to review assessing the costs kos transformer. Testing DIRANA (Dielectric Response Analysis) is a prayer one condition assessment method for isolation of review helps predict conditions like oil conductivity and moisture content of the paper on country isolation transformer. Writing tests DIRANA singers perform, so that can be give the next follow-up recommendations should taken against the main transformer at PLTGU. On moisture testing method CHL dry category because value <2.2%, thus by Main Transformer (MT) 1.1 GT hearts normal conditions. Transformer oil conductivity values From the findings of Measurement worth 290 fs / m, the value of the conductivity of the transformer oil SIGN categories Good hearts.
KAJIAN POTENSI ENERGI SURYA DI PROVINSI NUSA TENGGARA BARAT (NTB) Redaksi Tim Jurnal
Energi & Kelistrikan Vol 8 No 2 (2016): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

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Abstract

Generating system using solar energy technology is generally categorized into two groups, There are using of passive technology and active utilization of technology. These groupings depending on the absorption process, conversion, and distribution of solar energy. Examples of active solar energy utilization is the use of photovoltaic panels and heat absorber panel. Examples of passive solar energy utilization includes directing the building toward the sun, choose a building with thermal mass or good light dispersion capabilities, and designing the room with natural air circulation.Solar radiation intensity data in a specified area can be obtained in three ways: first, direct measurement using a measuring instrument pyranometer, pyrheliometer and Campbell stokest. Second, with the satellite imagery data, satellite imagery data is widely used because it is easily accessible globally. Third, with the numeric modeling in simulation computer for the purpose of knowing the potential radiation that will come. In an effort to encourage the use of renewable energy in the region, especially solar energy, has conducted studies of solar energy potential by conducting a preliminary survey and installation of pyranometer, in West Sumbawa regency of the Month from September to December 2015 by an average of 762.331 watts / m2.
PEMANFAATAN SAMPAH MENJADI SUMBER ENERGI Redaksi Tim Jurnal
Energi & Kelistrikan Vol 8 No 2 (2016): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

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Abstract

During this rubbish into a serious problem, especially in urban areas. Many piles of garbage on Disposal Temporary (TPS) in settlements, polluting the air and groundwater, and become a breeding ground for animals and bacteria carrying diseases. After days accumulate and rot in the polling stations, garbage transported to the final disposal (landfill). Dozens of garbage trucks passing through a public road, spreading the odor and can spread the disease. In the landfill is also only allowed to accumulate, mounting, polluting the air, contaminating groundwater on a wider scale.Organic waste is waste that can be experienced weathering (decomposition) and breaks down into materials that are smaller and do not smell (often referred to as compost). Waste Management pattern is still adhered to the old paradigm where the waste is still dianggapsebagai something useless, economically viable and very disgusting. This article will discuss a little about the impact of waste incineration, so the general public can understand.
PERANCANGAN SOLAR CELL SYSTEM OFFGRID PADA DAERAH RAWAN GEMPA YANG TERDAPAT SITUS BERSEJARAH (Studi Kasus : Kawasan Candi Prambanan) Redaksi Tim Jurnal
Energi & Kelistrikan Vol 8 No 2 (2016): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

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Abstract

Determination of Prambanan temple as a world cultural heritage implications for the nation's responsibility and obligation to protect and preserve the building in accordance with the convention set by UNESCO. The Convention, among others keep building preservation from the danger of war, physical damage because with age, and natural disasters. An earthquake with magnitude 6.3 in Yogyakarta in 2006 made Prambanan little structural damage. One of them is the fall of the temple stones. Historical sites requires electrical energy, especially light to keep the nation's inheritance of crime and vandalism. The electricity supply is particularly important given the current post-earthquake infrastructure much impaired and this is where alternative energy power plants is needed. The application of solar power technology offgrid System in the future is as a replacement or substitution in diesel fuel usage, as well as to increase the ratio of electricity. The study provides recommendations placement of solar cell three locations namely at location A (coordinates 110.491 -7.751 S E) with an area of 0.31 hectares, the location B (coordinates 110.493 -7.752 S E) with anarea of 0.06 hectares, and the location C Location C (coordinates 110.491 -7.750 S E) with an area of 0.05 hectares. Solar modules produced when dibutuhan power of 1500 Watts takes 47 modules with energy generated by 40 kWh. Based on a simulation of a computer program on the area of 100m2 takes 50 solar modules for generating electrical energy 53.56 kWh per day.
SISTEM PROTEKSI PADA PESAWAT BOEING 737 – CLASSIC Redaksi Tim Jurnal
Energi & Kelistrikan Vol 8 No 2 (2016): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

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Abstract

Boeing 737 requires a mains voltage of 115 volts AC, 28 volt AC and 28 volts DC to operate. The voltage obtained from various sources of electrical energy. The main source of electrical energy are two generator that produces AC voltage of 115 volts, 400 Hz. Electrical protection system on the aircraft is made to the security system of electrical equipment installed in the power system in the aircraft. The purpose of the protection system is to prevent damage to electrical equipment due to disturbances such as over current, under-voltage, high voltage, over frequency, under frequency, and differential current. In addition, to reduce the number of accidents due to aircraft electrical equipment always gated. For the control and safety on aircraft electrical system own Generator Control Unit (GCU) and Bus Protection Panel (BPP) with different functions. Electrical installation on aircraft designed for air still have power even though in a state of emergency, in order to keep operating safely and comfortably.
STUDI ANALISIS PENGARUH PARTIAL DISCHARGE PADA SKTM TERHADAP KEHANDALAN PENYULANG Redaksi Tim Jurnal
Energi & Kelistrikan Vol 8 No 2 (2016): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

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Abstract

Nowadays, almost all distribution system of medium voltage in Jakarta using underground cable system. The average life of cable over the last 10 years. Because of that total of cable fault in 2013-2015 are 10.273 cases with average 3000 cases per year this cases cause by external and internal interruption. It is represent a defiance to avoid the number of cable fault so it can improve reliability of distribution system. Index reliability in distribution system are SAIDI & SAIFI. Routine check is realy necessary to avoid any failure in the cable system. Internal interruption in underground cbale usually caused by partial discharge activity. Oscillating Wave Test System (OWTS) can record any partial discharge activity in cable by giving testing voltage to cable.
STUDI EVALUASI PEMADAMAN PADA JARINGAN DISTRIBUSI TENAGA LISTRIK 20 kV Redaksi Tim Jurnal
Energi & Kelistrikan Vol 8 No 2 (2016): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

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Abstract

PT. PLN (Persero) is a company engaged in the field of electricity supply. PLN is required to distribute electrical energy reliably and in accordance with the level of quality of service that has beendetermined. Therefore, it is necessary to evaluate the extent outage with SAIDI (System Average Interruption Duration Index) and SAIFI (System Average Interruption Frequency Index). With SAIDI can be taken remedial measures subsystems, both components or equipment. Whereas with SAIFI can be taken remedial measures to overcome burnout procedure and speed up the repair time. In this research will be discussed, the calcution of the level of reliability (SAIDI, SAIFI) and the power loss is not channeled by interference outages in PT. PLN (Persero) Region Substation Feeder Simpang Haru Polamas 2015.
STUDI ANALISIS SISTEM MONITORING TEMPERATUR RUANG BEARING Redaksi Tim Jurnal
Energi & Kelistrikan Vol 8 No 2 (2016): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1414.481 KB) | DOI: 10.33322/energi.v8i2.248

Abstract

Rising temperatures can lead to bearing the risk of the gas turbine trip. Because of the many possible causes of bearing temperature increases, the temperature monitoring system required bearing space as an indication of a gas leak heat on the room bearing and additional more accurate analysis to determine the cause of the high temperature turbine bearing. The system of monitoring the temperature in the room bearing will monitor continuously, so that any interference was observed immediately handled by appropriate methods and the possibility of operating losses for their trip from the increase in turbine bearings can be avoided.
KAJIAN KELAYAKAN RELE DIFERENSIAL TRANSFORMATOR MICOM P645 MENGGUNAKAN RTDS Redaksi Tim Jurnal
Energi & Kelistrikan Vol 8 No 1 (2016): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

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Abstract

To maintain power transformers needed security from tampering. One of these is differential relays. In these case that will be studied is the transformer differential relay MiCOM P645 by using RTDS to result showed the feasibility of the differential relay.Where control through software RSCAD. Detection function activated includes diferential function, the function of limited soil disturbance ( REF ) and impaired function CT when saturation.
Co-Authors Abdul Haris Ahmad Yani Beni Saputra