Skip to content

Commit

Permalink
Maint 8.1.x patch url (#2796)
Browse files Browse the repository at this point in the history
* Added missing figures and corrected hyperlinks

* Resized image
  • Loading branch information
mwetter authored Dec 5, 2021
1 parent f800847 commit e335f80
Show file tree
Hide file tree
Showing 10 changed files with 68 additions and 64 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -122,24 +122,24 @@ equation
<ul>
<li>
August 6, 2020 by Jing Wang:<br/>
First implementation.
First implementation.
</li>
</ul>
</html>",
info="<html>
<p>
This model implements the control logic for variable speed pumps.
The staging of pumps is implemented through an instance of
<a href=\"modelica://Buildings.Applications.BaseClasses.Controls.VariableSpeedPumpStage\">
Buildings.Applications.BaseClasses.Controls.VariableSpeedPumpStage</a>.
This model implements the control logic for variable speed pumps.
The staging of pumps is implemented through an instance of
<a href=\"modelica://Buildings.Applications.DataCenters.ChillerCooled.Controls.VariableSpeedPumpStage\">
Buildings.Applications.DataCenters.ChillerCooled.Controls.VariableSpeedPumpStagee</a>.
</p>
<p>
The pump speed is controlled to maintain the pressure difference setpoint
The pump speed is controlled to maintain the pressure difference setpoint
through a PID controller.
</p>
<p>The model inputs are the measured chilled water mass flow rate
<code>masFloPum</code> and the pressure difference <code>dpMea</code> at a
reference point from the demand side. The output <code>y</code> is a vector
<p>The model inputs are the measured chilled water mass flow rate
<code>masFloPum</code> and the pressure difference <code>dpMea</code> at a
reference point from the demand side. The output <code>y</code> is a vector
of pump speeds.
</p>
<p>
Expand Down
28 changes: 14 additions & 14 deletions Buildings/Experimental/DHC/CentralPlants/Cooling/Plant.mo
Original file line number Diff line number Diff line change
Expand Up @@ -359,36 +359,36 @@ equation
defaultComponentName="pla",
Documentation(
info="<html>
<p>This model showcases a generic district central cooling plant as illustrated
<p>This model showcases a generic district central cooling plant as illustrated
in the schematics below. </p>
<ul>
<li>The cooling is provided by two parallel chillers instantiated from
<a href=\"modelica://Buildings.Applications.BaseClasses.Equipment.ElectricChillerParallel\">
Buildings.Applications.BaseClasses.Equipment.ElectricChillerParallel</a>. </li>
<li>The chilled water bypass loop is controlled to ensure a minimum flow of
<li>The cooling is provided by two parallel chillers instantiated from
<a href=\"modelica://Buildings.Applications.DataCenters.ChillerCooled.Equipment.ElectricChillerParallel\">
Buildings.Applications.DataCenters.ChillerCooled.Equipment.ElectricChillerParallel</a>. </li>
<li>The chilled water bypass loop is controlled to ensure a minimum flow of
chilled water running through the chillers all the time. </li>
<li>The condenser water is cooled by two parallel cooling towers with a bypass
loop. See <a href=\"modelica://Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.CoolingTowerWithBypass\">
Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.CoolingTowerWithBypass</a>
<li>The condenser water is cooled by two parallel cooling towers with a bypass
loop. See <a href=\"modelica://Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.CoolingTowersWithBypass\">
Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.CoolingTowersWithBypass</a>
for the details of the modeling of the cooling towers. </li>
<li>The chilled water loop is equipped with two parallel variable speed pumps,
which are controlled to maitain a use-determined pressure difference setpoint at
the demand side. The condenser water pumps are constant speed with prescribed
<li>The chilled water loop is equipped with two parallel variable speed pumps,
which are controlled to maitain a use-determined pressure difference setpoint at
the demand side. The condenser water pumps are constant speed with prescribed
mass flow rates. </li>
<li>The plant operates when it receives an <code>on</code> signal from the
<li>The plant operates when it receives an <code>on</code> signal from the
external control. </li>
</ul>
<p>The staging of the chillers is based on the calculated cooling load. </p>
<p>See <a href=\"modelica://Buildings.Experimental.DHC.CentralPlants.Cooling.Controls.ChillerStage\">
Buildings.Experimental.DHC.CentralPlants.Cooling.Controls.ChillerStage</a> for
Buildings.Experimental.DHC.CentralPlants.Cooling.Controls.ChillerStage</a> for
the detailed control logic. </p>
<p><img src=\"modelica://Buildings/Resources/Images/Experimental/DHC/CentralPlants/Cooling/Plant.png\" alt=\"System schematics\"/>. </p>
</html>",
revisions="<html>
<ul>
<li>
August 6, 2020 by Jing Wang:<br/>
First implementation.
First implementation.
</li>
</ul>
</html>"),
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -71,8 +71,8 @@ equation
Documentation(
info="<html>
<p>This model validates the parallel connected cooling tower subsystem in
<a href=\"modelica://Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.CoolingTowerParellel\">
Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.CoolingTowerParellel</a>.</p>
<a href=\"modelica://Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.CoolingTowersParallel\">
Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.CoolingTowersParallel</a>.</p>
</html>",
revisions="<html>
<ul>
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -22,11 +22,13 @@ equation
Text(string="%first",index=-1,extent={{-6,3},{-6,3}},
horizontalAlignment=TextAlignment.Right));
connect(onOffCon.y, tow.on[1])
annotation (Line(points={{1,-190},{10,-190},{10,-236},{-96,-236},{-96,-34},
{10,-34},{10,-46},{20,-46}}, color={255,0,255}));
annotation (Line(points={{2,-190},{10,-190},{10,-236},{-96,-236},{-96,-34},{
10,-34},{10,-46},{20,-46}},
color={255,0,255}));
connect(onOffCon.y, tow.on[2])
annotation (Line(points={{1,-190},{10,-190},{10,-236},{-96,-236},{-96,-34},
{10,-34},{10,-46},{20,-46}}, color={255,0,255}));
annotation (Line(points={{2,-190},{10,-190},{10,-236},{-96,-236},{-96,-34},{
10,-34},{10,-46},{20,-46}},
color={255,0,255}));
annotation (
Icon(
coordinateSystem(
Expand Down Expand Up @@ -55,6 +57,6 @@ First implementation.
info="<html>
<p>This model validates the parallel connected cooling tower subsystem in
<a href=\"modelica://Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.CoolingTowersWithBypass\">
Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.CoolingTowerWithBypass</a>.</p>
Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.CoolingTowersWithBypass</a>.</p>
</html>"));
end CoolingTowersWithBypass;
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
Loading

0 comments on commit e335f80

Please sign in to comment.