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Jurnal Ilmiah Sutet

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Published by Sekolah Tinggi Teknik PLN

ISSN : 23561505 EISSN : 26569175 DOI : -

Core Subject : Science, Engineering,

Civil Engineering, Building, Construction & Architecture Materials Science & Nanotechnology Mechanical Engineering

SUTET Journal, especially to the Electrical Engineering Lecturer and generally to all Practitioners to be able to contribute in the form of scientific writing which will be useful for the application of science and technology, especially in the field of Electrical and Electrical Engineering.

Arjuna Subject : -

Articles 105 Documents

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ANALISA INTERKONEKSI SISTEM MENGGUNAKAN DlgSILENT (STUDI KASUS PLTU PULANG PISAU KALIMANTAN TENGAH) Christine Widyastuti; Heri Suyanto; Dyan Retno Febrianini
Sutet Vol 5 No 1 (2015): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

One of the planned areas to be implemented is the construction of a 2x60 MW coal-fired steam power plant in Pulang Pisau District, Central Kalimantan. The development of this steam power plant aims to meet the demand for electricity in Central Kalimantan which has been supplied using barito systems and isolated isolated systems generated from diesel generators. The 80% own barito system is concentrated in South Kalimantan with an electrical interconnection system using 150 KV and 70 KV transmission lines covering South and Central Kalimantan that are connected to hydro, coal and diesel power plants. The other 20% is produced from Central Kalimantan, specifically the capital of Palangkaraya and Katingan regency. Based on the simulation done using DlgSILENT software on barito system after the entry of PLTU Pulang Pisau shows the total change of power supply and the occurrence of voltage changes where the peak load time before PLTU Pulang Pisau enter the total power system generated by 395.18 MW and then after PLTU Pulang Pisau Entered into the total power generation system to 411.14 MW. This value is close to the limit of the operating voltage value but the barito system's transmission rate capability is still sufficient to overcome the change in voltage rise.

PERHITUNGAN KAPASITAS TRAFO PEMBUMIAN TITIK NETRAL PADA GENERATOR Juara Mangapul Tambunan; Tony Koerniawan; Ganjar Ramadhan
Sutet Vol 5 No 1 (2015): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Generator is an important component of plant. Therefore the reliability and sustainability of a generator in generating electricity depends on the grounding system used. The transformer capacity generated from the calculation of 33.045 kVA in the event of interference. So the capacity of the transformer used must exceed the capacity of the transformer during interruption.

KOORDINASI RELE DIFFERENSIAL 87GT DAN RELE ARUS LEBIH 51/27 DI GENERATOR-TRANSFORMATOR TERHADAP GANGGUAN HUBUNG SINGKAT UNIT 3 PLTP GUNUNG SALAK Budi Santosa; Muchamad Nur Qosim; Hendrianto Husada
Sutet Vol 5 No 1 (2015): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

The power plant has several components one of which is the Generator and Transformer which become the vital equipment in a power plant. Therefore from the reliability and sustainability of a generator and transformer is very dependent on the protection system used. In this studi discusses the adjustment of differential releases and more currents and coordination of both in the event of interference obtained from the data processing. The value of the adjusting current in the differential releases of 1.75 A with 0.2% mismatch and 6.3 A more current releases and the coordination between the differential releases and the overcurrent is limited by the delay time set on the overcurrent current with the TMS value of 0.159 and The greater the noise current the faster the working time of the relay provides a trip signal to the circuit breaker.

KEPEKAAN ARUS INRUSH PADA KERJA RELE DIFERENSIAL TRANSFORMATOR DAYA DI GARDU INDUK DURI KOSAMBI Irvan Buchari Tamam; Agung Hariayanto; Harian Puteri Lokastithi
Sutet Vol 5 No 1 (2015): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

At the time a given voltage power transformer there will be symptoms of transient inrush magnetization. This magnetization inrush can cause the magnetization inrush current at power transformer primary coil. This inrush currents perceived as a fault, and therefore at the same time differential relay can not distinguish them from the real fault current, the inrush current will be seen as an internal disorder which should be extinguished. Overcome the inrush current method is to delay, detain or block the relay so that the differential element during transient inrush relay state is not going to work. In this paper will be discussed studies on the effects of inrush current at the differential relay in substation duri kosambi.

GANGGUAN YANG TERJADI PADA SISTEM JOINTING PADA SALURAN KABEL TEGANGAN MENENGAH 20 KV Nurmiati Pasra; Andi Makkulau; Muhamamd Hasil Adnan
Sutet Vol 8 No 1 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

In distributing electrical energy to customers, required a reliable power system. Disturbances in a system of electricity can not be avoided. Generally disruption of the underground channels, prone to disturbance occurs in cable connections (Jointing). Interference that occurs in SKTM in jointing that is existence of partial discharge. From the cable test results of a feeder Debur B 329 to B 162 this is a very bad cable condition. The location of the bad cable is at a distance of 59 to 91 m and 190 to 220 m, with a capacity of 0.272 μF and a frequency of 353.98 Hz. The cable testing to determine the existance on the cable channel and location of the occurance of interference so that it can be done immediately repair or replacement on the cable that has interference.

KAJIAN PERENCANAAN PLTS TERHUBUNG KE GRID UNTUK MELAYANI SUPLAI DAYA LISTRIK DI MENARA STT - PLN Dewi Purnama Sari; Novi Kurniasih; Agus Yogianto
Sutet Vol 8 No 1 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

In this research discusses about PLTS planning studies connected to grid to serve electrical power supply in STT–PLN tower. During this STT–PLN tower get electrical power supply sourced from PLN only where the capacity of power installed 1100 kVA with transformer capacity equal to 1250 kVA. The distribution of electrical power to the STT–PLN tower is obtained from Tolimo feeder which is connected directly to Duri Kosambi 192 Baru substation. So for that in this research made a planning of distribution of electrical power distribution with PLTS – Grid systems where PLTS system serve the use of electricity load from 08.00 WIB – 17.00 WIB, the rest only relies on electricity source from PLN. With PLTS – Grid system, the use of batteries can be eliminated. The electrical loads connected to the PLTS system and grid use the same energy as those supplied by the PLTS for a certain period of time. In this case, the grid becomes a storage or lender temporary for the fulfillment of electrical power demand. So with the application of this concept we only spend the investment cost of the PLTS system without batteries and the cost of leasing the network in the PLTS – Grid system.

PENYEIMBANGAN BEBAN PADA JARINGAN TEGANGAN RENDAH GARDU DISTRIBUSI CD 33 PENYULANG SAWAH DI PT PLN (PERSERO) AREA BINTARO Syarif Hidayat; Supridi Legino; Nurun Fatihah Mulyanti
Sutet Vol 8 No 1 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

The Power Distribution System is basically a process for delivering electricity from a 150 kV power transmission system to a consumer, either 20 kV consumer or a 380/220 V consumer. The more complex distribution system of the network is the Low Voltage distribution system (380 / 220V), because the network of low voltage distribution system has a very wide network coverage. This often causes the Low Voltage Distribution system to be unbalanced, since household customers generally utilize single phase power. The effects of an unbalanced low voltage distribution system will affect many things, such as : the transformer's performance, excess heat in the overload phase, the current flowing in the neutral wire, the end-tension drop in the overload load network. And ultimately the quality of electricity at the consumer level decreases. With this load imbalance, the workable solution is to balance the load on the transformer. The measurements of Jurusan B after load balancing are the R-phase 106 Ampere, the S-phase 108 Ampere, and the T-phase 107 Ampere. The load unbalance value drops to 1% after a load balancing effort, this value is far below the maximum imbalance criterion of 10%.

PERANCANGAN PROTOTIPE ALAT UKUR ARUS LISTRIK AC DAN DC BERBASIS MIKROKONTROLER ARDUINO DENGAN SENSOR ARUS ACS-712 30 AMPERE titi ratnasari; Adri Senen
Sutet Vol 8 No 1 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Measuring tool can be defined as a tool that can know the value of used in a unit based on the level of accuracy. Household electric current measuring devices are often used now still use analog systems are slightly complicated in terms of reading the value of the output, it's because the viewer uses a needle that points at a certain scale. Besides the current measuring device ac and dc electricity in the market generally, very rarely menggunkana microcontroller. Based on that the authors designed an ac and dc based arduino uno power meter is using the current sensor acs 712 30 amps. This tool takes the working principle of the amperemeter, ie the principle of magnetic force (lorentz style). It's just different from the multimeter that uses a probe as a current conductor medium, this tool uses the terminals as a medium of conductor current. This tool can be used to measure all household electronic appliances or offices either AC or DC current.

PENGUJIAN RUTIN TRAFO ARUS 24 KV DI LABORATORIUM HUBUNG SINGKAT PT. PLN (PERSERO) PUSLITBANG KETENAGALISTRIKAN Juara Mangapul Tambunan
Sutet Vol 8 No 1 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

The current transformer is one of the instrumen transformers that converts large currents into small current for measurement and protection. Router Current transformer testing is a test performed by the manufacturer of all transformed flow produced, to separate defects of deviates from standard requirements. The result of current transformer test that has been done / observed is as follows: testing of the frequency of the voltage resistance does not occur flash, partial removal test of 4.3 pC and 1.6 pC, testing of more inter-winding voltage of 22.03 V and 52.47 , Insulation resistance testing of 244 GΩ, 352 GΩ and 652 GΩ, testing of winding resistance at 29 ° C at 0.045 Ohm and at 75 ° C at 0.053 ohm. For testing the accuracy of the measurement transformer at burden 1 VA the error ratio is 0.144%, 0.143%, 0.141%, 0.133%, 0.132% and the angle error is 2.20 minutes, 2.13 minutes, 1.97 minutes, 1.34 minutes, 1.23 minutes. For testing the accuracy of the measurement transformer at 10 VA burden the error error is -0.037%, -0.032%, -0.017%, 0.043%, 0.049% and the angle error is 8.10 min, 7.03 min, 4.12 min, 0, 23 minutes, 0.07. For testing the transformer protection accuracy with burden 7.5 error ratio is 0.05% and the angle error is 3.86 minutes.

PERANCANGAN PENGGUNAAN FIREWALL DAN PROXY SERVER UNTUK MEMBATASI HAK AKSES INTERNET Nana Suryana
Sutet Vol 8 No 1 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

The development of computer technology and information is very fast, especially on the provision of computer networks become very important for institutions especially Vocational High School, Institute and University. However, the impact of the development of information technology in line with the rising problems that can be arise such as : attacks on viruses, spam, spyware and others. In addresing the issue, the presence of pornographic sites and others can lower morale, especially for students, due to easy access of the internet. In this case it is also possible that the performance of lecturers and staff in using information systems and learning proses will be destroyed and can reduce the performance of the computer network. Firewall using iptables on proxy server and uses Squid Proxy with Ubuntu Linux Server that has been implemented in the Laboratory. Also can be used for various access to access computer network. With the fastest speed of internet access, then the access sites that are not useful for students and lectures will be block so the do not have access and make the security of the network more secure.

Page 6 of 11 | Total Record : 105

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