ANALISA EFEKTIVITAS SISTEM PENDINGIN ROTOR GENERATOR SINKRON TIGA FASE DI PT. INDONESIA POWER UJP BANTEN 2 LABUAN

PRATAMA, PRIMA GALIH (2019) ANALISA EFEKTIVITAS SISTEM PENDINGIN ROTOR GENERATOR SINKRON TIGA FASE DI PT. INDONESIA POWER UJP BANTEN 2 LABUAN. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

The operation of the generator has a very critical role. This is the effect of the function of the generator in converting kinetic energy into electrical energy. With a continuous pattern of operation and loading of electrical network systems that always change at any time, so that generators must be ready to face the demands of various system conditions in accordance with consumer demand. Load ups and downs cause changes to some generator operating parameters, one of which is the generator excitation system. The increase in excitation current can have an impact on the increase in reactive power and the temperature of the winding rotor generator. The increase in reactive power aims to maintain the generator output voltage so that the supplied electrical equipment is not quickly damaged due to lack of voltage. While the high temperature of the winding rotor can cause damage to the insulation of the winding and the increase in power losses resulting from copper losses. To avoid overheating on the generator rotor winding, it is equipped with a cooling system using hydrogen gas. The cooling system that is carried out is by maintaining the purity and pressure of hydrogen gas in the generator to keep it in accordance with the parameters. The success application of the generator rotor cooling system can be seen from the effectiveness of the cooling produced. The limitation of cooling effectiveness parameters is 98%, so the higher the value of effectiveness, the generator becomes more reliable and the power losses become smaller. Keywords: Generator, Winding Rotor Temperature, Current Excitation, Load, Effectiveness of Cooling System. Pengoperasian generator dalam unit pembangkit memiliki peran yang sangat kritikal. Hal ini merupakan dampak dari fungsi generator dalam mengubah energi kinetik menjadi energi listrik. Dengan pola operasi yang terus menerus dan pembebanan sistem jaringan kelistrikan yang selalu berubah-ubah setiap saat, sehingga generator pada unit pembangkit harus siap menghadapi permintaan berbagai kondisi sistem sesuai dengan permintaan konsumen. Naik turunnya beban mengakibatkan perubahan pada beberapa paramater operasi pembangkit, salah satunya sistem eksitasi generator. Kenaikan arus eksitasi dapat berdampak pada kenaikan daya reaktif dan temperatur winding rotor generator. Kenaikan daya reaktif bertujuan untuk menjaga tegangan output generator agar peralatan listrik yang disuplai tidak cepat mengalami kerusakan akibat kekurangan tegangan. Sedangkan tingginya temperatur winding rotor dapat mengakibatkan kerusakan pada isolasi winding dan meningkatnya rugi – rugi daya yang berasal dari rugi tembaga. Untuk menghindari terjadinya overheat pada winding rotor generator maka dilengkapi sistem pendingin dengan menggunakan gas hidrogen. Sistem pendingin yang dilakukan yaitu dengan menjaga kemurnian dan tekanan gas hidrogen di dalam generator agar tetap sesuai dengan parameter. Keberhasilan penerapan system pendingin rotor generator dapat diketahui dari nilai efektivitas pendinginan yang dihasilkan. Batasan parameter efektivitas pendingin adalah sebesar 98%, sehingga semakin tinggi nilai efektifitas maka generator menjadi semakin handal dan rugi – rugi daya semakin kecil. Kata Kunci : Generator, Temperatur Winding Rotor, Arus Eksitasi, Beban, Efektifitas System Pendingin.

Item Type: Thesis (S1)
NIM: 41417110016
Uncontrolled Keywords: Generator, Temperatur Winding Rotor, Arus Eksitasi, Beban, Efektifitas System Pendingin.
Subjects: 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan
600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan
600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.3 Electrical Engineering, Lighting, Superconductivity, Magnetic Engineering, Applied Optics, Paraphotic Technology, Electronics Communications Engineering, Computers/Teknik Elektro, Pencahayaan, Superkonduktivitas, Teknik Magnetik, Optik Terapan, Tekn
Divisions: Fakultas Teknik > Teknik Elektro
Depositing User: Virda Syifa
Date Deposited: 17 Oct 2019 02:37
Last Modified: 17 Oct 2019 02:37
URI: http://repository.mercubuana.ac.id/id/eprint/49810

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