[Bldg-sim] FW: Modeling trigeneration in eQUEST

[Irene Pau]

Dear all,

A colleague of mine from Spain has the following problem modelling trigeneration in eQUEST.  Any suggestions on how he can use the Equipment Control option to get the right sequence of operation?

Regards,
Irene

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> I have been trying to simulate a water-side system with an electric generator generating chilled water and hot water to meet the loads, using an absorption machine. (Trigeneration).
> 
> I need to make a boiler attached to a HW Loop but the DOE-2.2 manual for rules for recovering heat from cogeneration says that if you use THERMAL TRACKING, the program will load the generator prior to enabling any other heating equipment, so the boiler doesn´t run ( I don´t have any boiler in my installation).
> 
> The problem is that the boiler runs so I should manage to do an Equipment Control where the generator runs before the boiler.
> 
> I checked Example 4 > "> thermal tracking with surplus sale> ">  (attached) where you can read at the end how to use the boiler under low-load thermal capacity. I don´t understand the programming language. For example, What do GENERATOR-SEQ-3 or BOILERS-SEQ-3 mean?
> 
> 
> In a nutshell, how can we run the Electric Generation and get hot water from it to use the Absorption machine? Not hot water from a Boiler. Should I use Equipment Control?
> 
> Regards,
> 
> Francisco J.
> 
> >  <<EXAMPLE4.pdf>> 
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