LiPo cell and battery models. and Log graphs.

Discussion on the Schematic Capture module of the Proteus Design Suite.
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diffequ
Professional User
Posts: 23
Joined: Fri 2007-11-23 2:35
Location: USA

LiPo cell and battery models. and Log graphs.

Post by diffequ »

Greetings,

Two import items for my research:

a) Is there a 100% functional Lithium-ion polymer cell and battery models? If so, where is it available? If not, can anyone guide me to create such models in full detail?

b) I just purchased the Advanced Simulation Package. How can I setup to display and print log-log, semi-log, and polar graphs?

Thank you for reading the above.

diffequ.
Ettore
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Location: Milan
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Re: LiPo cell and battery models. and Log graphs.

Post by Ettore »

a) No. There is not a model like this for Proteus and I didn't see any 100% (?) functional model for others simulation software based on SPICE or P-SPICE except, perhaps, for those finite element models developed for some simulators specialized in computational fluid dynamic. In the past I did try to do such a model for NiMH - which I believe is similar to a LiPo for an electrical model only - by starting from a work published onto IEEE but then I gave up for the poor results.
I can't promise nothing but if I ever find that document I will send you a copy.

b) log-log and semi-log display (and print as well) are only possible with FREQUENCY, NOISE, DISTORSION and AC SWEEP. FOURIER analysis allows only for semi-log. Polar graphs are not implemented in Proteus. For X axes you set the linear or log beaviours by selecting LINEAR or DECADES/OCTAVES from the Interval list. For Y axes the option Y Scale in dBs must be unselected if you want linear or selected for log. You need to edit the graph to set those parameters.
Kind regards,
Ettore Arena - Labcenter Electronics.
cgriffin
Professional User
Posts: 301
Joined: Mon 2007-12-17 23:32

Re: LiPo cell and battery models. and Log graphs.

Post by cgriffin »

diffequ,

For simming batteries for charging, I've used a current limiting resistor and a very large cap. It won't sim exactly, but lipo's are quite similar. NiMH are, too, but NiCad's are more different since they peak more prominently when charged.
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