[TRNSYS-users] power coefficient of type 110

[David Bradley]

Claire,
  yes, the power coefficients are the coefficients of the polynomial 
that relates power to control signal. Typically, the values you would 
use are a0=a1=0 and a2=1.
Kind regards,
 David

claire kazgandjian wrote:
> Hi trnsys users,
>
> I would like to introduce a polynominal equation which link power and 
> control signal of variable speed pump type 110, as shown in trnsys help :
> P = Prated * (a0 + a1*Ctrl + a2*ctrl²) with a0, a1, a2 polynominal 
> coefficients.
>
> Does parameter 6 "power coefficient" correspond to "polynominal 
> coefficient" ? (Indeed power coefficient unit is kJ/h and polynominal 
> coefficient has no unit).
>
> If it's not the case, do you know what is  "power coefficient"?
>
> Thank you!
>
> Claire
>
>
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Thermal Energy System Specialists (TESS), LLC 
David BRADLEY                      22 N. Carroll Street - Suite 370 
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