Battery model (table-based) error

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Zoltan Nagy
Zoltan Nagy . 2023년 6월 22일
댓글: Zoltan Nagy . 2023년 6월 26일
I am using the tabled version of the Simscape battery model with pre-set values for Panasonic NCR18650BF. To test the issue, I have a simple ciruit to discarge the battery, see picture. This works fine, until I enable self discharge, when I have the error message shown below.
I have not changed any data in the model, as I prefer to use it as it is. The parameters are shown below:
I raised this, as I use a library block, selected a predifined data set, which is expected to be validated and enabled one option from the panel.
I can spend time to find the problem with sizes, but the data is expected to be validated and I am not sure how should I modify it.
Before I had access to Simscape, I build up a Simulink only based battery model, so I know what is inside, but the point of a library block is that, it is ready, validated, etc.
Do you have a solution to resolve this issue? Thanks.

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Sabin 2023년 6월 26일
The preset parametrizations are based on manufacturer’s datasheet. Not all parameters are available from the datasheet. The block will simulate with the preset data but if you change any parameter such as enable or disable functionality it may not. The parameters that are not computed from the datasheet will have the comment ‘% Parameter not set’ after the value. In this specific case you will need to update Rleak(T) to be a vector of the same size as ‘Vector of temperatures, T’. Please note the Rleak(T) will have the default value when you enable and not the specific value for the preset parameterization. I hope this helps.
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Zoltan Nagy
Zoltan Nagy 2023년 6월 26일
Thanks for the quick reply. Do you have any suggestions or guidance for this modification, particularly the new value of the Rleak(T)?

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