Modeling a scheduled power outage in EnergyPlus with priority loads

asked 2020-09-21 14:40:19 -0500

carolyng
75 ●1 ●6

updated 2020-10-01 09:19:11 -0500

Is it possible to model a power outage in EnergyPlus where certain loads are given priority to backup power? For example, in a supermarket, lights, computers, and refrigerators with sodas may not be powered but the refrigerators with meat would be powered.

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answered 2020-09-22 09:59:27 -0500

Aaron Boranian

13830 ●76 ●24 http://bigladdersoftware.com/

If you need to control refrigeration, then your best option may be using the Energy Management System (EMS) feature of EnergyPlus. There is an EMS Actuator option for the Refrigeration:System object, but only to override the Minimum Condensing Temperature input field. If you use this approach, it may be a good idea to include the controls of everything else (lights, computers, etc.) in your EMS objects and routines.

You can read more in this post.

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answered 2020-09-22 04:03:27 -0500

Julien Marrec

29077 ●86 ●74 http://www.effibem.com/

Take a look at these objects:

DemandManager:ElectricEquipment
DemandManager:ExteriorLights
DemandManager:Lights
DemandManager:Thermostats
DemandManager:Ventilation
DemandManagerAssignmentList

Then you can always just schedule your objects to turn them off.

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Right I saw that. It doesn't look like the Demand Manager can control refrigeration unfortunately, only the electric loads specified in the "Electric Equipment" object.