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Table 5 Instrumentation and sensor data

From: Making use of geothermal brine in Indonesia: binary demonstration power plant Lahendong/Pangolombian

ID Description 1: Measuring range; 2: Sensor type
3: Signal; 4: Measuring error
T1 Hot water inlet temperature THW,i 1: 0…200 °C; 2: Pt100; 3: 4…20 mA;
4: acc. to DIN EN 60751, class B
T2 Hot water outlet temperature THW,o 1: 0…200 °C; 2: Pt100; 3: 4…20 mA;
4: acc. to DIN EN 60751, class B
V1 Volumetric hot water flow rate \(\dot{V}\)HW 1: 0…160 m3/h; 2: electromagnetic;
3: 4…20 mA; 4: ± 0.2% of MV + 1 mm/s
T3 Cooling water inlet temperature TCW,i 1: 0…100 °C; 2: Pt100; 3: 4…20 mA;
4: acc. to DIN EN 60751, class B
T4 Cooling water outlet temperature TCW,o 1: 0…100 °C; 2: Pt100; 3: 4…20 mA;
4: acc. to DIN EN 60751, class B
V2 Volumetric hot cooling flow rate \(\dot{V}\)KW calculated value from cooling water pump speed due to problems with MID-measurement
  Superheating of the working fluid vapor ΔTSH calculated based on measured data for Tev,o and pev using thermophysical properties with NIST database
T5 Condensation temperature TCd 1: 0…150 °C; 2: Pt100; 3: 4…20 mA;
4: acc. to DIN EN 60751, class B
T6 Liquid temperature recuperator outlet TRec,o,l 1: 0…150 °C; 2: Pt100; 3: 4…20 mA;
4: acc. to DIN EN 60751, class B
T7 Outlet temperature evaporator Tev,o 1: 0…150 °C; 2: Pt100; 3: 4…20 mA;
4: acc. to DIN EN 60751, class B
p1 Evaporator pressure pev 1: 0…20 bara; 2: 4…20 mA; 3: ceramic sensor;
4: 0.5% of NV
V3 Volumetric working fluid flow rate \(\dot{V}\)WF 1: 0…150 L/min; 2: ultrasonic; 3: 4…20 mA
4: ± 0.3% of MV
P1 Gross power Pel,G 1: −10…600 kW; 2: power meter; 3: 4..20 mA;
4: ± (0.5% of NV + 1 digit)
  1. MV measured value, NV nominal value