ANALISIS PEFORMA HEAT RECOVERY STEAM GENERATOR SEBELUM DAN SESUDAH RETUBING UNIT 2 BLOK 2
PT. INDONESIA POWER UNIT PEMBANGKITAN SEMARANG
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
MUSTHOFA, VICTOR KHASAN BISRI
Sudirmanto, Sudirmanto
Sudirmanto, Sudirmanto
Subject
Teknik Mesin
Datestamp
2019-10-07 06:09:33
Abstract :
Combined cycle power palnt that utilizes the exhaust gas from the gas turbine to heat the tube tube inside the HRSG to produce a dry vapor capable of rotating the steam turbine located on the Steam Turbine Generator (STG). The HRSG performance performance analysis is performed before and after retubing at 100 MW and 75 MW loads so that the changes can be known. The research method used in this research includes interview method, observation and literature study. And the data retrieval method used is directly and indirectly that is by taking the data opersi generator recorded on computer control at Central Control Room (CCR) and Operational Planning and Control (rendal Ops) PLTGU UP Semarang. Then the value of efficiency before retubing at 100 MW load of 36.85% and after retubing of 39.21% and at 75 MW load before retubing is 31.7% and after retubing of 32.24%. From the calculation results obtained are auxiliary by looking for calorific value (Q), value ?LMTD and thermal value (U).
Combined cycle power palnt that utilizes the exhaust gas from the gas turbine to heat the tube tube inside the HRSG to produce a dry vapor capable of rotating the steam turbine located on the Steam Turbine Generator (STG). The HRSG performance performance analysis is performed before and after retubing at 100 MW and 75 MW loads so that the changes can be known. The research method used in this research includes interview method, observation and literature study. And the data retrieval method used is directly and indirectly that is by taking the data opersi generator recorded on computer control at Central Control Room (CCR) and Operational Planning and Control (rendal Ops) PLTGU UP Semarang. Then the value of efficiency before retubing at 100 MW load of 36.85% and after retubing of 39.21% and at 75 MW load before retubing is 31.7% and after retubing of 32.24%. From the calculation results obtained are auxiliary by looking for calorific value (Q), value ?LMTD and thermal value (U).
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