question

kent2ben avatar image
kent2ben asked

DVCC - Maximum charge voltage (while feed-in)

Hi

I use "Maximum charge voltage" to override the BMS and set a lower charge voltage.

It works fine but...When I turn on "Feed-in" it adds 0.2 volt to the max charge voltage?!


As you can see here I have set it to 27.4v in DVCC.

skærmbillede-2023-04-09-kl-191534.png


But in the MPTT "Networked operation" the "Charge voltage" is set to 27.6v

skærmbillede-2023-04-09-kl-191547.png



I see the same pattern no matter what voltage I set in DVCC. It is alway 0.2v above DVCC.
If I turn off feed-in the voltage is spot on?!


Anyone who know what I am doing wrong ?

DVCC
skærmbillede-2023-04-09-kl-191534.png (111.9 KiB)
skærmbillede-2023-04-09-kl-191547.png (105.1 KiB)
2 |3000
Toggle Comment visibility. Current Visibility: Viewable by all users

Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

1 Answer
baxter avatar image
baxter answered ·

There is nothing wrong. To provide feedin the charge Controller are allowed to work on a higher voltage, up to 0.4V above CVL. This is also described in the DVCC Manual

1 comment
2 |3000
Toggle Comment visibility. Current Visibility: Viewable by all users

Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

kent2ben avatar image kent2ben commented ·
Tanks!
0 Likes 0 ·

Related Resources

DVCC chapter in GX manual