ANALISIS KINERJA TURBIN GASM701F5 SETELAH MASA KONSTRUKSI MENGGUNAKAN STANDAR ISO 2314:2009 UNTUK DIBANDINGKAN DENGAN DESAIN PABRIKAN DAN PERFORMANCE GUARANTEE PADA PLTGU MUARAKARANG

WIBOWO, BUDI ARI (2021) ANALISIS KINERJA TURBIN GASM701F5 SETELAH MASA KONSTRUKSI MENGGUNAKAN STANDAR ISO 2314:2009 UNTUK DIBANDINGKAN DENGAN DESAIN PABRIKAN DAN PERFORMANCE GUARANTEE PADA PLTGU MUARAKARANG. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

The construction of Muarakarang CCPP, which began in 2017, is part of the 35 GW program launched by the government. Muarakarang CCPP uses a gas turbine type M701F5 manufactured by MHPS Japan with a capacity of 341,300 kW, an NPHR of 2,129 kCal/kWh and an efficiency of 40.35%. A decrease in performance can occur due to differences in environmental conditions between the manufacturer and the project site as well as damage during the transportation and assembly processes which causes the performance of the gas turbine to not match the manufacturer's design and performance guarantee. So it is necessary to analyze the performance of the gas turbine after the construction process is complete by using the input output calculation method and referring to the ISO 2314: 2009 standard. From the calculation results obtained Nett GT Output 345,721 kW and NPHR of 2,099.7 kcal / kWh, higher and more efficient than the manufacturer's design and performance guarantee. And the efficiency obtained is 41.86%, which is 1.51% higher than the factory design of 40.35%. This means that the gas turbine has not experienced a decline in performance and has met the performance guarantee and the results of this calculation can be used as a reference for further evaluation of turbine performance. Keywords: gas turbine, performance test, performance guarantee, ISO 2314: 2009, nett GT output, NPHR. Pembangunan PLTGU Muarakarang yang dimulai pada tahun 2017 merupakan bagian dari program 35 GW yang dicanangkan pemerintah. PLTGU Muarakarang menggunakan turbin gas tipe M701F5 dengan pabrikan MHPS Jepang dengan kapasitas 341.300 kW, NPHR sebesar 2.129 kCal/kWh dan efisiensi sebesar 40,35%. Penurunan kinerja bisa terjadi karena adanya perbedaan kondisi lingkungan antara pabrikan dan site project serta adanya kerusakan saat proses transportasi dan perakitan yang menyebabkan kinerja turbin gas tidak sesuai dengan desain pabrikan dan performance guarantee. Sehingga diperlukan analisis kinerja turbin gas setelah proses konstruksi selesai dengan metode perhitungan input output serta merujuk standar ISO 2314:2009. Dari hasil perhitungan diperoleh Nett GT Output 345.721 kWdan NPHR sebesar 2.099,7 kcal/kWh, lebih tinggi dan lebih efisien dari desain pabrikan dan performance guarantee. Dan efisensi siklus sebesar 41,86%, lebih tinggi 1,51 % dari desain pabrikan sebesar 40,35%. Ini berarti turbin gas tidak mengalami penurunan kinerja dan telah memenuhi performance guarantee serta hasil perhitungan ini dapat dijadikan referensi untuk evaluasi kinerja turbin selanjutnya. Kata Kunci: gas turbine, performance test, performance guarantee, ISO 2314:2009, nett GT output, NPHR.

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