Conditional component used in an equation

[maltelenz]

Here, partialArc is used in an equation:

https://github.com/casella/ThermoPower/blob/d028b9ee4ba18ff148726fffe50917de29102a0b/ThermoPower/PowerPlants.mo#L13459

It is declared here as a conditional component:

https://github.com/casella/ThermoPower/blob/d028b9ee4ba18ff148726fffe50917de29102a0b/ThermoPower/Water.mo#L6028

This is illegal Modelica:

A component declared with a condition-attribute can only be modified and/or used in connections.

Edit: I realize now that it is also part of the abandoned package mentioned here: https://github.com/casella/ThermoPower/issues/17#issuecomment-722467803