Analisis Termodinamika Pengaruh Tekanan Dan Temperatur Pada Reheater Terhadap Performa PLTU Supercritical Dengan Pemodelan Gate Cycle

Aminudin, Mohammad Mirza (2016) Analisis Termodinamika Pengaruh Tekanan Dan Temperatur Pada Reheater Terhadap Performa PLTU Supercritical Dengan Pemodelan Gate Cycle. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Kebutuhan energi listrik semakin mengalami peningkatan seiring dengan perkembangan di bidang teknologi, industri serta informasi pada masyarakat. Pembangkit listrik tenaga uap merupakan jenis pembangkit listrik yang sering digunakan untuk memenuhi kebutuhan energi listrik di Indonesia. Indonesia Power UBP Suralaya merupakan salah satu pembangkit listrik tenaga uap dengan kapasitas pembangkitan sekitar 410 MW pada keadaan sub-critical dengan bahan bakar batu bara. Kinerja Pembangkit listrik tenaga uap telah banyak mengalami evaluasi. Salah satu caranya adalah mendesain pembangkit tenaga uap menjadi kondisi supercritical dari kondisi sub-critical. Penelitian dilakukan dengan cara membuat pemodelan power plant pada kondisi operasi normal menggunakan software gate cycle. Pemodelan power plant dilakukan supaya kita dapat mengetahui efficiency thermal dan daya supercritical serta memvariasikan tekanan pada boiler dan tekanan reheater untuk mendapatkan nilai optimum. Sedangkan perhitungan manual menggunakan analisis termodinamika. Adapun perhitungan yang akan dilakukan adalah mencari kalor yang masuk pada komponen boiler dan reheat (Σ ================================================================= Electrical energy needs increasingly increased in line with developments in the technology, industrial and information society. Steam power plant is a type of plant that is often used to meet electricity needs in Indonesia. Indonesia Power UBP SURALAYA is one of the steam power plant with a generating capacity of about 410 MW sub- critical state with coal fuel. Performance steam power plant has undergone many evaluations. One way is to design the steam power plant into a supercritical condition of sub-critical condition. Research done by making the modeling power plant under normal operating conditions using the software gate cycle. Modeling power plant is done so that we can know the efficiency supercritical thermal and power as well as varying the pressure in the boiler and reheater pressure to obtain the optimum value. While the manual calculations using thermodynamic analysis. The calculation will be done is to find the entrance to the heat and reheat boiler components (ΣQinlet), work produced by each turbine (ΣWt), work required to drain the fluid pump (ΣWp), as well as the efficiency of thermal power plant system (휂 푡ℎ ) . Results gate cycle modeling, the power plant sub-critical condition is at 170 Bar pressure boiler with a boiler outlet temperature of 538 ° C and a pressure of 39.7 bar reheater obtained power generation system of 410 MW, an efficiency of 40% and a heat rate of 9018.27 kJ /kW-h.Seteleah converted to supercritical conditions by changing the pressure of 250 bar and a temperature of 560 ° C in the boiler by varying the pressure on reheater is 40 bar, 50 bar 60 bar. Contained in the optimum power plant with supercritical conditions reheater 40 Bar pressure variation in the amount of 423.086 MW. The optimum efficiency of the power plant are in supercritical conditions with reheater 60 Bar pressure variation in the amount of 42.74%. The smallest rate of heat contained in the steam power plant with supercritical conditions reheater 60 Bar pressure variation in the amount of 8389.31 kJ / kW-h. So by changing the plant from becoming subcritical supercritical conditions will improve efficiency and power as well as lower heat rate

Item Type: Thesis (Undergraduate)
Additional Information: RSM 621.312 32 Ami a
Uncontrolled Keywords: Power plant; Supercritical; Gate Cycle; Efficiency Thermal; Thermal Efficiency
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Industrial Technology > Mechanical Engineering > (S1) Undergraduate Theses
Depositing User: Mrs Anis Wulandari
Date Deposited: 30 May 2017 06:57
Last Modified: 26 Dec 2018 03:53
URI: http://repository.its.ac.id/id/eprint/41434

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