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Recommendations on battery simulator/SMU

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daqq:
Hi,

We are looking for something that can simulate a battery. Sink, source, if it can do internal resistance, perfect. 14V/2A (2A source, charge 1A) is what we need max, anything above is fine.

So far I've found the following to be interesting:

Series 2281S ( https://www.tek.com/en/products/keithley/dc-power-supplies/2281s-series-battery-simulator-emulator#product-list ) - seems best of the lot, but measurement seems slow, would be great to capture peaks
NGU201 ( https://www.rohde-schwarz.com/products/test-and-measurement/dc-power-supplies/rs-ngu-source-measure-units_63493-1005128.html ) - requires software option for battery stuff, nice sampling
B2901B ( https://www.keysight.com/us/en/product/B2901B/precision-smu-1ch-100fa-resolution-210v-3a-dc-10-5a-pulse.html ) - complete overkill
E36731A ( https://www.keysight.com/us/en/product/E36731A/battery-emulator-and-profiler.html ) - still looking at this one

Any other recommendations? Or what to avoid?

Thanks,

David

Phil1977:
Good old Keithley 2400? Yes, it´s a little expensive and outdated regarding the UI.

But did anyone ever regret having it on the table?

nctnico:
Agilent 66311B or one of its many cousins. Relatively cheap on the used market as well.

pdenisowski:

--- Quote from: daqq on July 17, 2024, 09:03:10 am ---NGU201 ( https://www.rohde-schwarz.com/products/test-and-measurement/dc-power-supplies/rs-ngu-source-measure-units_63493-1005128.html ) - requires software option for battery stuff, nice sampling

--- End quote ---

If you have any questions about the NGU, please let me know - if I can't answer them, I (personally) know the people who can :)

I'm assuming you've seen these?


mawyatt:
That R&S NGU201 looks nice, good videos to back it up as well!!

In a pinch David, you might be able to use the Instek GPP-4323 which can use one channel as a simple load while the other is a source.

https://www.gwinstek.com/en-global/products/downloadSeriesDownNew/14230/1737

Also, one could parallel up a PS and E-Load and control them via remote SCPI commands.

Best, 

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