PENAMBAHAN PRESSURE SWITCH PADA TEMPAT PENYIMPANAN HYDROGEN UJP PLTGU CILEGON
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Putra, Bayu Lantang Eka
Hariyati, Rinna
Hariyati, Rinna
Subject
Teknik Elektro
Datestamp
2020-01-16 12:04:38
Abstract :
Hydrogen Plant is one part of the tool (Balance of Plant) in PLTGU that serves to produce Hydrogen gas (H2) as a coolant generator, H2 gas pressure in the storage must be maintained above 120 bar so that the generator is not overheated due to lack of cooling. Adding a pressure switch to the storage area is required so that the H2 pressure can be monitored in real time, the pressure switch will turn on the alarm when the H2 pressure is at set point (> 125 bar) so that the drop or drop of pressure can be known immediately. Alarm used is the lights and bell, on the bell will be installed timer so as not always on because it takes time to pressure H2 to return to normal. If there is pressure drop can actually be overcome by buying gas refill H2, but it will cost Rp. 280.000.000, - each time refill. In addition, if a pressure drop can cause auto run back because the generator is overheated, and if the auto run back system runs then the load of Gas Turbine (GT) and Steam Turbine (ST) will decrease so that the load is not maximal, so it will cause losses during the temperature recovery time And normalization of the load of approximately Rp. 158.828.124,- for normalization per hour.
Hydrogen Plant is one part of the tool (Balance of Plant) in PLTGU that serves to produce Hydrogen gas (H2) as a coolant generator, H2 gas pressure in the storage must be maintained above 120 bar so that the generator is not overheated due to lack of cooling. Adding a pressure switch to the storage area is required so that the H2 pressure can be monitored in real time, the pressure switch will turn on the alarm when the H2 pressure is at set point (> 125 bar) so that the drop or drop of pressure can be known immediately. Alarm used is the lights and bell, on the bell will be installed timer so as not always on because it takes time to pressure H2 to return to normal. If there is pressure drop can actually be overcome by buying gas refill H2, but it will cost Rp. 280.000.000, - each time refill. In addition, if a pressure drop can cause auto run back because the generator is overheated, and if the auto run back system runs then the load of Gas Turbine (GT) and Steam Turbine (ST) will decrease so that the load is not maximal, so it will cause losses during the temperature recovery time And normalization of the load of approximately Rp. 158.828.124,- for normalization per hour.
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