modelCoalSupplyBoiler_01_XRG

A simple coal supply and boiler model using characteristic lines and transfer functions
Diagram of CoalSupplyBoiler_01_XRG

Extends from ClaRa.Components.Control.PredictorModels_3508.Icons.BoilerPredictor (An icon for a boiler model - relative units ('p.u.')), ClaRa.Basics.Icons.ComplexityLevel (Displays the complexity level inside model icon ).

Information

For detailed model documentation please consult the html-documentation shipped with ClaRa.

 


Authorship and Copyright Statement for original (initial) Contribution

Author:

DYNCAP/DYNSTART development team, Copyright © 2011-2024.

References:

For references please consult the html-documentation shipped with ClaRa.

Remarks:

This component was developed by ClaRa development team under the 3-clause BSD License.

Acknowledgements:

ClaRa originated from the collaborative research projects DYNCAP and DYNSTART. Both research projects were supported by the German Federal Ministry for Economic Affairs and Energy (FKZ 03ET2009 and FKZ 03ET7060).

CLA:

The author(s) have agreed to ClaRa CLA, version 1.0. See https://claralib.com/pdf/CLA.pdf

By agreeing to ClaRa CLA, version 1.0 the author has granted the ClaRa development team a permanent right to use and modify his initial contribution as well as to publish it or its modified versions under the 3-clause BSD License.

The ClaRa development team consists of the following partners:

TLK-Thermo GmbH (Braunschweig, Germany)

XRG Simulation GmbH (Hamburg, Germany).

Parameters

TypeNameDefaultDescription
Fundamental Definitions
TILMedia.VLEFluid.Types.BaseVLEFluidmediumsimCenter.fluid1Medium in the component
Nominal values
ClaRa.Basics.Units.Pressurep_LS_nom300e5Nominal life steam pressure
ClaRa.Basics.Units.PressureDelta_p_nom40e5Nominal life steam pressure loss
ClaRa.Basics.Units.EnthalpyMassSpecifich_LS_nom3279e3Nominal life steam specific enthalpy
ClaRa.Basics.Units.MassFlowRatem_flow_LS_nom419Nominal life steam flow rate
Part Load Definition
Real[:,:]CL_mflowLS_QF_[0, 0.32; 0.34, 0.32; 1, 1]Characteristic line life steam flow as function of thermal output
Real[:,:]CL_pLS_QF_[0, 0.32; 0.34, 0.32; 1, 1]Characteristic line life steam pressure as function of thermal output
Real[:,:]CL_Valve_[0, 0; 1, 1]Characteristics of the turbine valve
Real[:,:]CL_Deltap_mflowLS_[0, 0; 0.1, 0.01; 0.2, 0.04; 0.3, 0.09; 0.4, 0.16; 0.5, 0.25; 0.6, 0.36; 0.7, 0.49; 0.8, 0.64; 0.9, 0.81; 1, 1]Characteristic line of life steam pressure drop as function of mass flow rate
Real[:,:]CL_hEvap_pD_[0.34, 2806e3; 0.55, 2708e3; 0.75, 2559e3; 1, 2200e3]Characteristic line evap outlet enthalpy over pressure
Time Response Definition
ClaRa.Basics.Units.Timetau_u120equivalent dead time of steam generation
ClaRa.Basics.Units.TimeTau_g200balancing time of steam generation
ClaRa.Basics.Units.TimeTau_s200Integration time of steam storage
ClaRa.Basics.Units.TimeTau_evap5Time constant for energy storage in evaporator
Control Definition
Realy_T_const1Constant turbine valve aperture
Initialisation
Realp_LS_01Initial value of life steam pressure in p.u.

Connectors

TypeNameDefaultDescription
Modelica.Blocks.Interfaces.RealInputyT_Turbine valve aperture
Modelica.Blocks.Interfaces.RealInputQF_setl_Set value of thermal output in p.u.
Basics.Interfaces.SteamSignalsteamSignal
Modelica.Blocks.Interfaces.RealOutputm_StG_Mass flow rate of steam generation in p.u.
Modelica.Blocks.Interfaces.RealOutputp_LS_Connector of Real output signal

Components

TypeNameDefaultDescription
Stringcomplexity (from ComplexityLevel)"??"
ClaRa.SimCentersimCenter
ClaRa.Basics.Units.TemperatureT_LS823.15Value of life steam temperature
ClaRa.Basics.Units.Pressurep_LSLife steam pressure
Modelica.Blocks.Continuous.LimIntegratorSteamStorageA simple way to model the mass storage in the boiler
Modelica.Blocks.Math.Feedbackfeedback
Modelica.Blocks.Continuous.TransferFunctionheatReleasecomprehends the coal supply, the heat release and the steam generation
Modelica.Blocks.Math.ProductturbineValveEffect of steam flow throtteling
Modelica.Blocks.Tables.CombiTable1DvturbineValveCaracteristics
Modelica.Blocks.Tables.CombiTable1Dvconvert2LifeSteamFlow
Modelica.Blocks.Tables.CombiTable1Dvconvert2LifeSteamPressure
Modelica.Blocks.Tables.CombiTable1Dvconvert2PressureDrop
EnthalpyPredictorenthalpyPredictor

Revisions

For revisions please consult the html-documentation shipped with ClaRa.