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Andrian Saputro
Universitas Dian Nusantara
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Mechanical Engineering

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ANALISIS KENAIKAN PLANT HEAT RATE PLTU SEBELUM PERBAIKAN BERKALA TERHADAP KONDISI TESTING KOMISIONING (Studi Kasus : PLTU XX) Komarudin Komarudin; Andrian Saputro; Erfiana Wahyuningsih
Bina Teknika Vol 16, No 1 (2020): Bina Teknika
Publisher : Faculty of Engineering UPN "Veteran" Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54378/bt.v16i1.1740

Abstract

Steam power plant is a power plant which use coal as fuel to heating the water into superheated steam. The standard of efficient or not for a power plant can be seen from the value of plant heat rate. Plant heat rate is amount of energy required to generate one kWh electricity. The smallest of that is the best power plant. In general, the value of plant heat rate has increased than commisioning test after the power plant operated continously. The method used in the calculation of the steam power plant is energy balance method. Energy balance calculation method used by the standard of the American Society of Engineers Mechanichal Performance Test Code (ASME PTC). The value of plant heat rate is influenced by the value of turbine heat rate and boiler efficiency from steam power plant. Turbine heat rate is the required energy turbines obtained from heat transfer process to generate one kWh electricity, while boiler efficiency is an indicator from boiler performance of steam power plant by comparing the outputs and inputs. After calculation of plant heat rate at actual condition, the value of plant heat rate has increased than commisioning. The increrase of plant heat rate value is due to more losses which result degradation performance on the main components of the unis, such as : turbine, boiler, air heater and condenser. Therefore necessary corrective maintenance when first year inspection, so that the steam power plant can be re-optimal performance as at commisioning test.
ANALISIS PERFORMA MAIN COOLING WATER PUMP PEMBANGKIT LISTRIK TENAGA PANAS BUMI (PLTP) PT.X Komarudin; Andrian Saputro; Kuat Suparto
Jurnal Tera Vol 1 No 2 (2021): Jurnal Tera (September 2021)
Publisher : Fakultas Teknik dan Informatika, Universitas Dian Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (656.364 KB)

Abstract

Pembangkit listrik tenaga panas bumi (PLTP) merupakan pembangkit listrik yang menggunakan energi terbarukan. Karena bahan utama yang digunakan untuk memutarkan turbin adalah uap basah dari dalam bumi, karenanya tidak memerlukan bahan bakar untuk menghasilkan uap. PLTP ini memiliki beberapa komponen penting dalam menghasilkan listrik salah satunya yaitu pompa. Metodologi yang digunakan dalam penelitian ini yaitu pencatatan data harian pada pompa Main Cooling Water Pump untuk kemudian dilakukan analisis perhitungan untuk mencari daya motor, daya pompa dan efisiensi kemudian ditentukan penyebab penurunan performa pompa tersebut. Dari hasil penelitian yang dilakukan didapatkan hasil daya motor aktual pompa 1 dan 2 sebesar 705,601 kW, kemudian daya motor commissioning sebesar 748,29 kW, dan daya motor spesifikasi mempunyai hasil sebesar 900 kW. Untuk daya pompa aktual pada pompa 1 memiliki daya sebesar 542,410 kW, sedangkan pompa 2 sebesar 512,760 kW. Kemudian daya pompa commissioning sebesar 613,000 kW, dan daya pompa spesifikasi mempunyai hasil sebesar 630,000 kW. Dan untuk efisiensi aktual pada pompa 1 memiliki efisiensi sebesar 76,70 %, sedangkan pompa 2 sebesar 72,50 %. Kemudian efisiensi pompa commissioning sebesar 82,8 %, dan efisiensi pompa spesifikasi mempunyai hasil sebesar 86 %. Didapatkan kesimpulan performa pompa aktual mengalami penurunan performa dari performa pompa commissioning dan performa spesifikasi, sehingga perawatan yang diberikan harus lebih ekstra untuk menjaga performa pompa tetap dalam kondisi optimal.
Co-Authors Erfiana Wahyuningsih Komarudin Komarudin Komarudin Kuat Suparto