EVCS: Stop charging when drawing battery current is too high

Hi all,

Using the EVCS in an off-grid setup. I was expecting the 'auto' mode to stop when the solar drops OR when other loads turn on & the drawing battery current is too high. However I notice that the car keeps charging and my battery is being discharged at more than 100A. (Which I don't want.) If I manually disable the charge and enable "auto" again it correctly says "waiting for sun".

Is this expected behaviour or am I missing a setting?

Thanks

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Lucian Popescu (Victron Energy Staff) ♦♦ commented · May 22 at 11:44 AM

Setting/general.
Disable it or reduce the time.

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walter-widmore Lucian Popescu (Victron Energy Staff) ♦♦ commented · May 22 at 11:49 AM

Got it. Thanks. Any future plans on a "max battery discharge" setting?

I'll disable it because I don't want to exceed the -100A limit but I assume now it will constantly start/stop while discharging till (for example) -50A would be OK for a specified timeout.

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Lucian Popescu (Victron Energy Staff) ♦♦ walter-widmore commented · May 22 at 11:57 AM

It's a bit complicated, but yes, we have some plans. It will work only when Automatic mode will be controlled from the GX device.

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walter-widmore Lucian Popescu (Victron Energy Staff) ♦♦ commented · May 23 at 10:07 AM

Nice! If I may add another request: Right now I can say to the EVCS "start charging at battery SoC X", but using off-grid DVCC, I want to allow it to charge as soon as there's more solar energy available than the battery is allowed to charge, even if the SoC is for example 50%.

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Lucian Popescu (Victron Energy Staff) ♦♦ walter-widmore commented · May 23 at 10:09 AM

But we don't know what is the available power. That information doesn't exist.

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walter-widmore Lucian Popescu (Victron Energy Staff) ♦♦ commented · May 23 at 01:00 PM

I know it's currently not a known value (which I find strange & miss for other automations) but don't the MPPTs know how much they're 'throwing away'?

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