Analisis Efektivitas Kondensor Sebelum dan Sesudah Overhaul di PT. PJB UP Muara Tawar Blok 5
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Sayuti, Ilham
Nurhasanah, Roswati
Nurhasanah, Roswati
Subject
Teknik Mesin
Datestamp
2019-10-28 04:26:36
Abstract :
CONDENSOR TUBING gas turbine combined-cycle (GTCC) power plant at Muara Tawar is a heat exchanger that uses sea water as cooling fluid used to condense the steam output of steam turbine low pressure (low pressure steam turbin). The sea water is used as cooling fluid would purification process by means of separation of seawater with marine life, but due to marine life as well as the trash bins are small sometime es escapes from the refining process that disrupts the cleanliness inside the pipes (tubes), Water condenser box, resulting in heat transfer proces to be not optimal and the effectiveness of the condenser will be no maximum. Increasing the life of condenser tubing and heat exchangers by removing deposits with overhoul, its process (the process of checking and cleaning). The condenser PLTGU Muara Tawar done on parts like water box, suction pipe, and pipes (tube). Overhaul process started on November 19 to 30, 2018. By using the method of calculating Log Mean Temperature Differential (LMTD) and NTU Effectiveness, you can see any effect that causes changes in vacuum pressure on the condenser. The results of the overhaul process have increased the performance of the Muara Tawar PLTGU condenser marked by an increase in the value of the average condenser effectiveness of 0.779 compared to before the overhaul only reached the average effectiveness of the condenser by 0.628.
CONDENSOR TUBING gas turbine combined-cycle (GTCC) power plant at Muara Tawar is a heat exchanger that uses sea water as cooling fluid used to condense the steam output of steam turbine low pressure (low pressure steam turbin). The sea water is used as cooling fluid would purification process by means of separation of seawater with marine life, but due to marine life as well as the trash bins are small sometime es escapes from the refining process that disrupts the cleanliness inside the pipes (tubes), Water condenser box, resulting in heat transfer proces to be not optimal and the effectiveness of the condenser will be no maximum. Increasing the life of condenser tubing and heat exchangers by removing deposits with overhoul, its process (the process of checking and cleaning). The condenser PLTGU Muara Tawar done on parts like water box, suction pipe, and pipes (tube). Overhaul process started on November 19 to 30, 2018. By using the method of calculating Log Mean Temperature Differential (LMTD) and NTU Effectiveness, you can see any effect that causes changes in vacuum pressure on the condenser. The results of the overhaul process have increased the performance of the Muara Tawar PLTGU condenser marked by an increase in the value of the average condenser effectiveness of 0.779 compared to before the overhaul only reached the average effectiveness of the condenser by 0.628.
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