question

shaneyake avatar image
shaneyake asked

Can Frequency Shift reduce Multiplus export

I would like to use Multiplus-ii on a microgrid but we have requirement that if the microgrid frequency shifts that we stop exporting. Is there a way to make the Multiplus do that or disconnect if grid frequency above 53hz?

If not, can this be a feature request?

Multiplus-IImicrogrid
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1 Answer
Paul B avatar image
Paul B answered ·

From what I can see the Multi /quattro range cant do this with the existing equipment. However

if you can find a frequency controlled relay then you could trigger AC1 to open .

ie if freq goes above say 52.9 then the device closes a relay and this relay is connected to the Multi AUX 1 and then use a assistant to open ac1 in if Aux1 input is closed

4 comments
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Paul B avatar image Paul B commented ·

This MIght be the unit you need to work with the Multi plus

https://www.ebay.com.au/itm/173336583073?hash=item285baa5ba1:g:bOwAAOSw7kVbCXyi


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shaneyake avatar image shaneyake Paul B commented ·
Thanks, this is a decent solution.

Still hoping Victron would make an assistant to do this.

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Leslieanne avatar image Leslieanne shaneyake commented ·
If I have understood correctly, it seems to be already possible if using the Australian grid code....
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shaneyake avatar image shaneyake Leslieanne commented ·
Yes, I just looked into that... Seems perfect. Thanks
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