Question-and-Answer Resource for the Building Energy Modeling Community
Get started with the Help page
Ask Your Question
0

Problem with battery I set in my design

asked 2024-07-30 12:41:21 -0600

sheida's avatar

updated 2024-07-30 13:04:44 -0600

Hi there,

I've prepared an IDF file for my project, which includes PV panels and a battery. Unfortunately, after running the simulation, the variables for the battery are not being displayed. I'm concerned that there might be an issue with the battery setup. I would greatly appreciate any help in resolving this problem, as I'm in a bit of a hurry for the results. I've attached the IDF file for your reference.

Thanks in advance!

https://drive.google.com/file/d/1HDjM...

edit retag flag offensive close merge delete

1 Answer

Sort by ยป oldest newest most voted
2

answered 2024-08-02 09:52:40 -0600

updated 2024-08-02 09:56:11 -0600

Go over the eplusout.err file:

************* Simulation Error Summary *************
** Warning ** The following Report Variables were requested but not generated -- check.rdd file
**   ~~~   ** Either the IDF did not contain these elements, the variable name is misspelled,
**   ~~~   ** or the requested variable is an advanced output which requires Output : Diagnostics, DisplayAdvancedReportVariables;
  ************* Key=*, VarName=ELECTRIC STORAGE CHARGE ENERGY, Frequency=TimeStep
  ************* Key=*, VarName=ELECTRIC STORAGE DISCHARGE ENERGY, Frequency=TimeStep
  ************* Key=*, VarName=TRANSFORMER OUTPUT ELECTRICITY ENERGY, Frequency=TimeStep
  ************* Key=*, VarName=ELECTRIC STORAGE DISCHARGE ENERGY, Frequency=TimeStep
  ************* Key=*, VarName=ELECTRIC STORAGE BATTERY CHARGE STATE, Frequency=TimeStep
  ************* Key=*, VarName=ELECTRIC STORAGE CHARGE POWER, Frequency=TimeStep
  ************* Key=*, VarName=ELECTRIC STORAGE CHARGE ENERGY, Frequency=TimeStep
  ************* Key=*, VarName=ELECTRIC STORAGE DISCHARGE POWER, Frequency=TimeStep
  ************* Key=*, VarName=ELECTRIC STORAGE DISCHARGE ENERGY, Frequency=TimeStep

The requested output variables are not listed in the .rdd file, so the requests are ignored. As suggested by @rraustad, try changing the electrical buss type ("DirectCurrentWithInverterDCStorage" instead of "DirectCurrentWithInverter"), e.g.:

ElectricLoadCenter:Distribution,
    Main Electric Load Center,
    PV Array Generator,
    TrackElectrical,
    0,
    ,
    ,
    DirectCurrentWithInverterDCStorage,   !- Electrical Buss Type
    PV Inverter,
    LG Chem RESU16H Battery,
    ,
    TrackFacilityElectricDemandStoreExcessOnSite,
    ,
    ,
    0.95,
    0.2;

Works on my end.

edit flag offensive delete link more

Comments

Thank you so much, my problem is fixed now. much appreciated.

sheida's avatar sheida  ( 2024-08-04 23:34:01 -0600 )edit

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer

Training Workshops

Careers

Question Tools

1 follower

Stats

Asked: 2024-07-30 12:41:21 -0600

Seen: 246 times

Last updated: Aug 02