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How do I model electrochromic glazing in Energyplus in order to getting continuesly dim ?

asked 2016-04-12 08:29:34 -0500

maryam gravatar image

updated 2017-06-04 10:29:13 -0500

in input output reference I found a model for electrochromic glazing but it just switch between tow mode (clear and dark) but I want it switch at least between 4 mode or darken continuesly . I'd be appriciate if someone help me.

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Have you used the search function? See this question and this one

Julien Marrec gravatar image Julien Marrec  ( 2016-04-12 08:47:39 -0500 )edit

Does that answer your question maryam?

Julien Marrec gravatar image Julien Marrec  ( 2016-04-12 14:06:58 -0500 )edit

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answered 2016-04-12 17:06:39 -0500

Yes, the built-in objects only support two-state EC glazings. In order to do more than two states, you need to use EMS. I don't know of any commercially available EC glazing products that do more than four tint states, and none that have a continuous selectable range.

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answered 2016-04-17 08:30:37 -0500

maryam gravatar image

Thank you all for your answers,As Julen Marrec told I tired befor in that solution but it was not correct way to model this, As rpg777 said I tried to model it by using EMS, and I didn't received any errors, but how can I sure my model work well and is correct? I want be sure that all 4 step of Electrochromic glazing in my model work well.

I modeled it like this: I defined physical properties of steps in WindowMaterialGlazing after that I defined 4 window becuse of 4 levels of Electrochromic window in Construction(I just have 1 window in my structure and I am doubtful about defining 4 type of window) . In FenestrationSurface Detail I had to use just one of levels for define my window and I defined first level of this(am I right?). In WindowPropertyshading control I defined all 4 steps az switchable glaing , and in EMS I defined the name of windows that I made in 'Construction'. I'd be really appreciate if someone check me. thank you

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This is not an answer, but either a comment or an edit to your original question.

Julien Marrec gravatar image Julien Marrec  ( 2016-04-17 09:18:10 -0500 )edit

And yes, I've done electrochromic glazing with four steps before, I did create 4 constructions and I was switching them in EMS. What variable are you using to do you logic? Solar irradiance or something?

Julien Marrec gravatar image Julien Marrec  ( 2016-04-17 09:19:36 -0500 )edit

For EMS should I use only "EnergyManagementSystem:ConstructionIndexVariable"?or I need to fill others EMS? I want to estimate annual heating and cooling and lighting electricity consumption when I am using Electrochroic glazing in building.

maryam gravatar image maryam  ( 2016-04-18 02:05:28 -0500 )edit

by using EMS for Switchable windows, it doesn't calculate the cooling loads for the zones .. can you help me with this ??? @maryam gravatar image  ( 2016-10-08 11:47:46 -0500 )edit

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Asked: 2016-04-12 08:29:34 -0500

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Last updated: Apr 17 '16