modelControlOutletWaterTemperature

Diagram of ControlOutletWaterTemperature

Information

Hypothesis and equations

Generic model of water outlet temperature of a heating system based on a PID model and a water design table. The main output is the part load ratio that should be connected to the system (10% - 100%).

Bibliography

none

Instructions for use

none

Known limits / Use precautions

none

Validations

Validated model - Hubert Blervaque 01/2013

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Licensed by EDF under a 3-clause BSD-license
Copyright © EDF 2009 - 2023
BuildSysPro version 3.6.0
Author : Hubert BLERVAQUE, Sila FILFLI, EDF (2013)
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Parameters

TypeNameDefaultDescription
BooleanRegTORtrueOn/Off control ?
Real[:,2]table[-20, 60; -7, 52; 0, 43; 7, 37; 20, 20]Table of water design curve : exterior temperature (°C) in 1st row and setpoint of system output temperature (°C) in 2nd row
Modelica.Units.SI.TemperatureDifferenceTHyst1Upper and lower tolerance compared with the setpoint

Connectors

TypeNameDefaultDescription
Modelica.Blocks.Interfaces.RealInputT2External temperature
Modelica.Blocks.Interfaces.RealOutputY2Ratio modifier of PLR
Modelica.Blocks.Interfaces.RealInput[2]TMSecondary circuit / 1- fluid temperature (K), 2-flow rate (kg/s)

Components

TypeNameDefaultDescription
WaterDesignTemperatureLoiDEau
Modelica.Blocks.Math.GainPLR
Modelica.Blocks.Continuous.IntegratorTpsFonctionnementG
Modelica.Blocks.Math.BooleanToRealGenBooleanToRealG
Modelica.Blocks.MathInteger.TriggeredAddCountG
Modelica.Blocks.Sources.IntegerExpressionintegerExpressionG
Modelica.Blocks.Continuous.LimPIDPID_d