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How to calculate the total cooling load in EnergyPlus while the HVAC system is defined? What are the output variables required for the calculation of total cooling load? In my case, I take the output:variable "Cooling coil total cooling energy" as the total cooling load, is it correct?
If your case, you can report at several levels, including:
Cooling Coil Total Cooling Rate [W]Air System Total Cooling Energy [J] (The I/O doc doesn't mention a rate one, but maybe it's still there, check your .rdd file)Plant Supply Side Cooling Demand Rate if the Chilled Water Plant Loop only serves the zones you're interested in.A note on the "Cooling Coil Total Cooling Energy" or "Rate", since you mentioned it in your question: beware of simultaneous heating and cooling though. This will report the energy used by the coil, but if you have central heating or terminal reheat down the line, you'd effectively be providing less "actual" cooling energy.
Asked: 7 years ago
Seen: 596 times
Last updated: Nov 30 '17
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Noted. I've searched the question, the most related answer is from you as in (https://unmethours.com/question/22279...). However, only the output:variables for the ideal load are provided. Can you give any suggestions on the calculation of total cooling load while a specific HVAC system designed in the model?
Can you tell me what specific HVAC system you do have then?
Sure, in my case the chilled water cooling coil is adopted in the AHU, chiller plant includes the water-cooled chiller and var spd cooling tower. Thanks.