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STUDI KELAYAKAN PEMBANGUNAN PEMBANGKIT LISTRIK TENAGA UAP 2X50 MW DENGAN MENGGUNAKAN BOILER CIRCULATING FLUIDIZED BED COMBUSTION DI KENDARI, SULSELRABAR Redaksi Tim Jurnal
Energi & Kelistrikan Vol 9 No 2 (2017): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

This research is an explanation from feasibility study of the project; Which aims to analyze the feasibility of financially the development of Power Plant (PLTU) Capacity 2 × 50 MW by using boiler circulating fluidized bed combustion (CFB). Indicators used to analyze the feasibility of Power Plant (PLTU) Capacity 2 × 50 MW are: payback period, net present value (NPV), internal rate of return (IRR), sensitivity analysis, variable operating costs, and fixed operating costs. This research analyzes investment feasibility and risk from financial aspect by considering interest rate of loan (in USD) equal to 6% per year. The calculation of the value of investments made amounted to 1074.63 USD / kW, and net present value (NPV) of 61.8270 million USD with an internal rate of return (IRR equity) of 14 percent, and the results of this study has also been calculated payback period (PP) during 6.69 years, very feasible, because it is shorter than the project age (30 years); Then it can be concluded that the tariff of selling electricity after levelized is 8.1582 Cent US $

STUDI METODE PENGGANTIAN RELAI MEKANIS MENJADI ELEKTRIS PANEL TEGANGAN MENENGAH PLTU UNIT 4 MUARA KARANG Redaksi Tim Jurnal
Energi & Kelistrikan Vol 9 No 2 (2017): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Protective Relay is a device that provides alarm and trip / open signals to circuit breakers due to interference with protected equipment. Replacement of protection relay at the switchgear location of PLTU unit 4 Muara karang has been planned since 2010 and realized in December 2016 this coincides with Over Houl Mean Inspection. There are several problems encountered in the replacement of switchgear protection relays. The problem faced in performing this switchgear protective relay replacement is on mechanical relays that are replaced into electrical relays requiring many modifications and work steps. So in conducting this research is needed a proper method of research in order to produce a system of protection that is feasible operation

STUDI PENYIMPANAN ENERGI PADA BATERAI PLTS Redaksi Tim Jurnal
Energi & Kelistrikan Vol 9 No 2 (2017): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

The use of fossil fuels such as petroleum, coal and others as a fuel for conventional plants has an impact on the environment. Environmental impacts that occur such as environmental pollution from the greenhouse effect (greenhouse effect) that causes global warming, acid rain, the destruction of the ozone layer to the loss of tropical forests. With the condition of the need for renewable energy in the fossil energy era is running thinning at this time making the use of solar energy to meet human needs for energy to be the right choice. The use of solar energy becomes an option because of the nature of the source of solar energy that will not run out, and its easy use and application compared to other renewable energy sources. PLTS maintenance support becomes very important when PLTS has been installed. In Solar Power Generation, energy storage systems need special attention because they involve continuous energy availability especially during cloudy or late night when there is no sunlight. In this research will be discussed about the study of energy storage on PLTS battery. This characteristic is influenced by several things such as weather conditions and duration of irradiation on an area that affect the value of light intensity, voltage (V), current (I) and power that can be caused. From the research found that installed solar panels can generate power 1553,82 watts for 9 hours of solar radiation for one day.

ANALISA PEMBANGUNAN SALURAN TRANSMISI 275 kV ANTARA GI KILIRANJAO DAN GI PAYAKUMBUH Redaksi Tim Jurnal
Energi & Kelistrikan Vol 9 No 1 (2017): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Electrical energy is very important role in human life. rapid population growth resulting in increased electricity needs in Indonesia. Based on the current state of power supply capacity of the next few years will not be able to meet the electricity demand in a number of regions in Indonesia. Therefore PLN as a provider of electrical energy as possible to meet those needs. One step is made by planning to build Transmission Line T / L 275 kV substation Kiliranjao - GI Payakumbuh. With the construction of the substation, it is also necessary distribution of electrical energy that is supplying power to a great everincreasing burden on the city through the transmission line (SUTET) 275 kV. In this study will discuss the environmental feasibility study of development of the transmission line T / L 275 kV Kiliranjao - Payakumbuh and substation. Environmental feasibility study is to obtain accurate information in anticipation of environmental problems that arise and will occur as a result of the construction of the transmission T / L 275 kV, which is useful for various parties, such as PT. PLN as the initiator, the Local Government and Communities.

ANALISA PROTEKSI DIFFERENSIAL PADA GENERATOR DI PLTU SURALAYA Redaksi Tim Jurnal
Energi & Kelistrikan Vol 9 No 1 (2017): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Power plants produce electrical energy that will be distributed to consumers. Hence, the power plant is expected to be in a condition which means it can reliably provide electricity continuously with good quality. So as to improve the reliability and continuity of service, the operation of power systems require a safety equipment or protection system to prevent disturbances that disrupt the system. Protection system is an important component to maintain the continuity and reliability of the distribution of electrical energy. Protection system serves to protect equipment from damage in the event of disturbances and minimize disruptions from spreading. With good protection system, the unwanted loss can be avoided, especially in the vital equipment such as generators and transformers. One of the equipment that plays a role in the protection system is a differential protection relays are used to protect generators and transformers. This relay protects the generator and transformer from internal disturbances such short circuit between phases or short circuit of phase to ground. This rele works based on the current setting and operating time has been determined so that it can work quickly and precisely targeted.

ANALISIS POTENSI PENGHEMATAN PADA PLTU UNIT 5 DENGAN AUDIT ENERGI PADA MOTOR PEMAKAIAN SENDIRI DI PT PJB MUARA KARANG Redaksi Tim Jurnal
Energi & Kelistrikan Vol 9 No 1 (2017): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

PT PJB Muara Karang power plant is an industry with a large electrical energy consumption for auxiliary power. In ISO50001 itensitas Energy Consumption (IKE) is a great need to audit energy consumption. In the contract the company's performance also set a percentage of personal use should not exceed 6% of the electricity production. Currently Posentase usage of own consumption at power plant unit 5 is greater than the power plant unit 4. It is necessary for an energy audit for the usage of its own in order to decrease the percentage of personal use in the power plant 5 0.5% of the current conditions and find energy savings opportunities in the power plant unit 5.To analyze this problem using energy audits, analyzes the performance test method using "gate cycle" and testing the quality of the voltage source by using the power quality measurement analysis. Having found the equipment with the largest energy comsumtion fish bone tools used to find the main cause of this disorder.

PELANGGAN PERGUDANGAN ARCADIA BLOK G20 MERENCANAKANPEMBANGUNAN JARINGAN DISTRIBUSI BARU Redaksi Tim Jurnal
Energi & Kelistrikan Vol 9 No 1 (2017): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Development economy in the district of Tangerang increased significantly, especially in the areas of industrial. This pushes the level of demand for electrical energy is growing. To meet these needs, it is necessary to mobilize the distribution of electricity to customers as well as possible. In this regard, it takes the addition of new distribution systems in blocks that have not been connected to the distribution network of customers. Before you realize it must be done before the planning process to consider several aspects of the construction, operation, and maintenance of the system. There are some indications that influence the course and outcome of planning such as customer load calculation, load characteristics, network pattern, as well as the voltage drop distribution substation site selection, to obtain a satisfactory planning. Great power to be distributed to every warehouse or factory in Warehousing Arcadia Block G20 is 2.200 VA, 33.000 VA and 66.000 VA with equitable division. The planning process is influenced by the circumstances in carrying out development in accordance with the target of a predetermined time.

PENGARUH PENAMBAHAN PENDINGIN AIR PADA TRANSFORMATOR DAYA UNTUK PEMBEBANAN Redaksi Tim Jurnal
Energi & Kelistrikan Vol 9 No 1 (2017): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

Power transformers are one of the important equipment in the electric power system. Power transformers are devices with the largest investment in a transmission and distribution substations. Currently, the use of power transformers at Marunda substations on average has reached 80% of rated load. Then require maximum of cooling transformers, to restrain the rate of the winding and oil temperature rise. Result of the research were obtained with the addition of water cooling at power transformers can be reduce the heat due to the high ambient temperatures. The results showed a decrease in temperature of 3°C, so can be used to add transformers loading of 2,51 MW. While of water consumption was 2,052 m3 per day.

PENGENDALIAN JARINGAN DISTRIBUSI 20 KV DENGAN MENGGUNAKAN SISTEM SCADA Redaksi Tim Jurnal
Energi & Kelistrikan Vol 9 No 1 (2017): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

In Indonesia, especially at PT PLN (Persero), SCADA has been known and started to be implemented in the control of electric power systems since the early 1980s in many other countries that are more advanced, SCADA application is growing in line with the development of computer technology and telecommunications. By the time the development is not as sophisticated SCADA now, there are thought to facilitate maneuvers on a system that is simple to use SCADA network we can supply additional power or power outage easily do so overloaded that did not happen. After implementing a SCADA system occurred saving time for 2906 minutes or 48.44 hours, and the frequency of outages 4 times less than that before implementing the SCADA system. This means that the reliability index SAIDI and SAIFI much better at the moment after the implementation of the SCADA system.

PERBAIKAN TEGANGAN PADA JARINGAN TEGANGAN MENENGAH 20 KV PENYULANG TOMAT GARDU INDUK MARIANA SUMATERA SELATAN Redaksi Tim Jurnal
Energi & Kelistrikan Vol 9 No 1 (2017): Energi & Kelistrikan
Publisher : Sekolah Tinggi Teknik PLN

In power systems, particularly in medium voltage 20 kV feeder that are its length exceeds 100 kms the same thing is found in many tissues PT. PLN (Persero) outside Java island for example in South Sumatra in feeder Tomat Mariana substation 105,094 kms in length and threshold voltage feeder receive Tomat at 16,397 kV. According to the standards established by SPLN: 72 of 1987 in the amount of 5% to JTM with radial configuration in this paper will discuss what steps need to be done to correct the voltage at the feeder Tomat Mariana substation with the help of ETAP 12.6.0 application using methods repair replacement Conductor , installation of capacitors and transformers Tap settings.

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