modelST_2LHU

Steam Turbine Group (two pressure levels) with coupling Heat Usage
Diagram of ST_2LHU

Extends from Interfaces.ST_2LHU (Base class for Steam Turbine with two pressure levels and with coupling Heat Usage).

Parameters

TypeNameDefaultDescription
SI.MassFlowRatesteamHPNomFlowRate (from ST_2LHU)Nominal HP steam flow rate
SI.MassFlowRatesteamLPNomFlowRate (from ST_2LHU)Nominal LP steam flowr rate
SI.PressuresteamHPNomPressure (from ST_2LHU)Nominal HP steam pressure
SI.PressuresteamLPNomPressure (from ST_2LHU)Nominal LP steam pressure
SI.Pressurepcond (from ST_2LHU)Condenser pressure
SI.VolumemixLP_VInternal volume of the LP mixer
HP Turbine
SI.AreaHPT_Kt (from ST_2LHU)Flow coefficient
RealHPT_eta_mech (from ST_2LHU)0.98Mechanical efficiency
RealHPT_eta_iso_nom (from ST_2LHU)0.92Nominal isentropic efficiency
LP Turbine
SI.AreaLPT_Kt (from ST_2LHU)Flow coefficient
RealLPT_eta_mech (from ST_2LHU)0.98Mechanical efficiency
RealLPT_eta_iso_nom (from ST_2LHU)0.92Nominal isentropic efficiency
Initialization
BooleanSSInit (from ST_2LHU)falseSteady-state initialization
Initialization › HP Turbine
SI.PressureHPT_pstart_in (from ST_2LHU)steamHPNomPressureInlet pressure start value
SI.PressureHPT_pstart_out (from ST_2LHU)steamLPNomPressureOutlet pressure start value
SI.MassFlowRateHPT_wstart (from ST_2LHU)steamHPNomFlowRateMass flow rate start value
Initialization › LP Turbine
SI.PressureLPT_pstart_in (from ST_2LHU)steamLPNomPressureInlet pressure start value
SI.PressureLPT_pstart_out (from ST_2LHU)pcondOutlet pressure start value
SI.MassFlowRateLPT_wstart (from ST_2LHU)steamHPNomFlowRateMass flow rate start value
Initialization › LP mixer
SI.PressuremixLP_pstartPressure start value of the LP mixer
HP valves
RealvalveHP_Cv0Cv (US) flow coefficient of the HP valve
SI.PressurevalveHP_dpnomNominal pressure drop of the HP valve
RealbypassHP_Cv0Cv (US) flow coefficient of the HP valve of bypass
LP valves
RealvalveLP_Cv0Cv (US) flow coefficient of the LP valve
SI.PressurevalveLP_dpnomNominal pressure drop of the LP valve
RealbypassLP_Cv0Cv (US) flow coefficient of the HP valve of bypass
Heat Usage valve
RealvalveHU_Cv0Cv (US) flow coefficient of the valve for HU
SI.PressurevalveHU_dpnomNominal pressure drop of the valve for HU

Connectors

TypeNameDefaultDescription
Water.FlangeBSteamForHU (from ST_2LHU)
Water.FlangeBLPT_Out (from ST_2LHU)
Water.FlangeAHPT_In (from ST_2LHU)
Water.FlangeALPT_In (from ST_2LHU)
Modelica.Mechanics.Rotational.Interfaces.Flange_bShaft_b (from ST_2LHU)
Modelica.Mechanics.Rotational.Interfaces.Flange_aShaft_a (from ST_2LHU)
Buses.SensorsSensorsBus (from ST_2LHU)
Buses.ActuatorsActuatorsBus (from ST_2LHU)

Components

TypeNameDefaultDescription
Water.SteamTurbineStodolaST_HP
Water.SteamTurbineStodolaST_LP
Water.MixermixLP
Water.ValveVapvalveHU
Water.ValveVapvalveLP
Water.ValveVapvalveHP
Water.ValveVapbyPassHP
Water.ValveVapbyPassLP