This supply unit is modelled as a perfect heater delivering a prescribed supply temperature. The mass flow is controlled by a PI-controller using a set point for heat generation. The unit is constraint by a maximum heat flow capacity.

Heat and power

The unit can be modelled as a simple heat and power unit using the characteristic powerCha. Electric power consumption/generation is then set according to the power values corresponding to current heat flow using table entries from the characteristic (and linearly interpolating). Electric power consumption of the pump is also considered. Since the pump is considered to be cooled by the fluid, a one to one conversion between heat added to the fluid and pumping power is considered.


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