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DC RIPPLE ON TWO 15KVA QUATROS CONNECTED IN PARALLEL

Hello everyone I have a problem with two 15Kva Quatros connected to two 20/16 freedom won batteries. The inverter both work fine in standalone mode but when configuring them in parallel they give a High Dc Ripple Fault!! on the Master what could be the cause and how can I resolve it I did a couple of firmware updates and even reverted to the old firmware but the problem persists

quattro 10kva
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Alexandra avatar image Alexandra ♦ commented ·
@brendongarikai@gmail.com

When you do the stand alone test, is the unit connected to one or both batteries?

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Alexandra avatar image Alexandra ♦ Alexandra ♦ commented ·
It is either a battery problem, or a wiring problem.


Confirm your 15's have double 95mm² cable each? And the battery are busbar connected?
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