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Re: [TRNSYS-users] Type 320 PID as thermostatic valve



Stefan,
There is a PID controller Type in the standard controllers library. I haven't tried to do so but you may be able to set the integration and differentiation gains to zero and simulate proportional control only. As another alternative, there is a proportional only controller model in the TESS Controls Library.
Best,
David


thiemann.stefan@vdi.de wrote:
Hello,

does anybody know how exactly to use the Type 320?
I would like so simulate a thermostatic valve in a single zone model.
According to my knowledge a thermostatic valve has an approximatif
 linear behaviour. The set temperature is 20°.
I think at 20° there should be the rated mass flow and and 22° the
 mass flow should be zero for a 2 K proportional thermostatic valve.
But I dont know how to use the settings in the type. Could anybody
 help?

Many thanks

Stefan Thiemann



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