modelHeatingSystem_N_20
Extends from Models.HeatingSystem (Declarative model of a heating system - continuous-time dynamics).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | pi (from HeatingSystem) | Modelica.Constants.pi | |
| Integer | N (from HeatingSystem) | 3 | Number of heated units |
| SI.HeatCapacity[N] | Cu (from HeatingSystem) | (ones(N) + linspace(0, 1.348, N))*1e7 | Heat capacity of heated units |
| SI.HeatCapacity | Cd (from HeatingSystem) | 2e6*N | Heat capacity of distribution circuit |
| SI.ThermalConductance | Gh (from HeatingSystem) | 200 | Thermal conductance of heating elements |
| SI.ThermalConductance | Gu (from HeatingSystem) | 150 | Thermal conductance of heated units to the atmosphere |
| SI.Power | Qmax (from HeatingSystem) | N*3000 | Maximum power output of heat generation unit |
| SI.TemperatureDifference | Teps (from HeatingSystem) | 0.5 | Threshold of heated unit temperature controllers |
| SI.Temperature | Td0 (from HeatingSystem) | 343.15 | Set point of distribution circuit temperature |
| SI.Temperature | Tu0 (from HeatingSystem) | 293.15 | Heated unit temperature set point |
| Real | Kp (from HeatingSystem) | Qmax/4 | Proportional gain of heat generation unit temperature controller |
| Real | a (from HeatingSystem) | 50 | Gain of the histeresis function |
| Real | b (from HeatingSystem) | 15 | Slope of the saturation function at the origin |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Temperature | Td (from HeatingSystem) | Temperature of the fluid in the distribution system | |
| SI.Temperature[N] | Tu (from HeatingSystem) | Temperature of individual heated units | |
| Real[N] | x (from HeatingSystem) | States of heated units temperature controllers | |
| SI.Temperature | Text (from HeatingSystem) | External temperature | |
| SI.Power[N] | Que (from HeatingSystem) | Heat flows from heated units to the outside | |
| SI.Power[N] | Qh (from HeatingSystem) | Heat flows to each heated unit | |
| SI.Power | Qd (from HeatingSystem) | Heat flow to the distribution system | |
| Real[N] | u (from HeatingSystem) | Control signals for heaters |