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Table 4 Validation results for our model using data from Kamojang GPP’s Unit 4

From: Thermal modeling and simulation of a single-flash geothermal power plant involving non-condensable gas: a case study of Kamojang geothermal field in Garut, West Java, Indonesia

State

Unit

Component

Data design

Data model

Error (%)

Rated capacity

kW

Turbine

60000

60218

0.36

Steam flowrate

kg/h

411729

411228

− 0.12

Inlet cooling water mass flow rate

kg/h

Inter-condenser

565999

565236

− 0.13

Outlet condensate mass flow rate

kg/h

578483

575460

− 0.52

Inlet cooling water mass flow rate

kg/h

After-condenser

–

672120

–

Outlet condensate mass flow rate

kg/h

–

684360

–

Inlet cooling water mass flow rate

kg/h

Condenser

7,381,203

7387200

0.08

Outlet condensate mass flow rate

kg/h

8384034

8359200

− 0.30

Enthalpy

kJ/kg

-

2221

–

Inlet cooling water mass flow rate

kg/h

Cooling tower

8194420

8247600

0.65

Suction steam rate

kg/h

Ejector 1st

9531

9648

1.23

Suction steam rate

kg/h

Ejector 2nd

–

12240

–

MCWP power

kW

MCWP

60000

60218

0.36