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Re: [EnergyPlus_Support] Automatic operation venetian blinds energy consumption





It will be a small amount of energy. You'll have to define a other equipment energy user with a design energy usage and figure out the standby loss energy usage as a fraction of that. Then create a fractional schedule to reflect this. Then write an EMS to monitor blind operation and use to sensor values to overwrite your otherequipment schedule using an actuator to suite.

As a beginner who has never used EMS, this may take 3 days. As an expert, 15 minutes. It is a good excersize. Goodluck.   

Mit freundlichen Grü�en
 Sent from my iPhone (excuse the brevity)

i. A.
Jean Marais
b.i.g. bechtold
Tel.   +49 30 6706662-23

On 26.08.2013, at 17:08, "migueltgpacheco" <migueltgpacheco@xxxxxxxxx> wrote:

 

Hi List,

I want to estimate the energy consumption of automated blinds. I searched the group for this topic but I didn't find any reference to it. This is important because I couldn't find either any report on monitoring the energy consumption of blinds. I'm trying to model zero energy and everything must be accounted.

Energyplus allows a number of sophisticated options for blind control.I am using BlockBeamSolar option for the ShadingControl object. But there is no way to know the energy consumption the automated operation of the blinds.

I can´t use the nominal power of the blinds motor's for an estimate because this would be far too high. The blinds I'm modeling, can open or retract completely, besides varying the slat angle. Slat angle variation must consume less energy that open or retract the blinds entirely.

Even if I know the energy consumption for changing angle slat, that would not be enough. The blinds are sometimes idle and sometimes on. I have doubts on which report I would use. There is no report that tells when a motor is on.

Thank you in advance,
Miguel Pacheco



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