Hi all, Over the past month i have been testing my new victron setup. A little context: Single phase Victron 6k5 3 Phase house Grid meter: VM-3P75CT via ethernet Induction plate: etna AKI680ZT This is a 2-phase (7.4kW) cooktop but wired 3 phase, 2 pucks are on phase 1 (same as victron AC-in) and…

Yup, the more i read into this the more this looks like something we need to live with, in these docs it’s also mentioned that: Hard coded rate limiting in the inverter/charger firmware: as per ESS version 162 it is set to 400W per second. The reason for this rate limiter is that without that ther…

Yes, this is a restritopn imposed by the grid code standard, and yes it would be better for the grid if the rate was normalised at the meter / connection point. Unfortunately this is outside of the scope of thinking of the people who develop these standards, very often they have limited experience w…

Switching off LOM does this overrules the hardcoded limit? Also ‘regulation problems (overloads and such) when the mains is weak’ this is something that is mostly not the case why not using higher rate standard who is reduced when the mains is weak? Or instead off hardcoded rate a rate that can be …

Have you tested this? I highly doubt this will remove the AC Feed in ramp up time, but will test tonight to confirm. I agree with @Sdb that it would be highly beneficial to have control over this, if not limited by gridcode regulations, It will make improve grid stability (removing the ping pong) i…

I hate also that PingPong the ESS is doing. In fact the regulation is running always after the facts mainly due physical limits but also that hardcoded ramp-up delay. If this could be reduced the ESS would run mush stabler. Its possible off-grid so on grid should also be possible. In principle I can…

[image] Wessel: highly doubt this will remove the AC Feed in ramp up time, It will take it out of the equation as the inverter is forced to supply everything.

Get yourself an RS instead then. The low-frequency inverters will never be able to respond as fast as the transformerless variants. Physics.

I have performed this test, and when setting the Multiplus to Inverter Only mode. No energy gets compensated on the AC-IN side: [image] So in that case my earlier idea to just compensate loads on AC-OUT after pulses are detected is a better solution.

[image] Wessel: No energy gets compensated on the AC-IN Considering that inverter mode opens the AC IN relays, it would be physically impossible to use AC IN in any form..

Agreed, but wanted to confirm that the statement of @lxonline , but maybe LX did not fully understand that the induction cooktop is on the AC-IN side of the inverter. As it was a small test it could be easily confirmed. The current state is that this is a hardcoded limit in the firmware and would re…

VM-3P75CT & Multiplus 6k5 Ping-Pong with PWM Induction cooking

DIY

lxonline (LX) 8 May 2026 05:22 5

You could always switch to inverter only when you cook, then back to on.when you are done.

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VM-3P75CT & Multiplus 6k5 Ping-Pong with PWM Induction cooking

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