question

thomasw-1 avatar image

Grid feed-in deactivation not working

Hi All,

I am wondering that ESS feature does not properly respect the deactivated "Grid feed-in" option.
In following screenshots you can see that the grid power flow deviates roughly between -2.000W and +2.000W, although it is not expected to feed-in anything.
Since I am not allowed to feed into the grid, I am forced to move away from ESS to actually deprecated HUB-2 application.

I would highly appreciate, if Victron could consider

  • a HUB-2 equivalent feature in ESS solution again and
  • assure that relevant energy is used mainly from battery and not from grid


Examples

  • grid power changing from +1.447W to -1.756W
    feed-01.jpgfeed-02.jpg


  • grid power changing from +2.006W to -1.709W
    feed-03.jpgfeed-04.jpg


Configurations

Both configuration options aren't successful.

config-1.jpg

config-2.jpg

My environment

  • 3xMultiPlus-II 48/5000/70-50 in 3-phase (firmware 477) with a
    • ESS zero feed-in configuration
    • Multiphase regulation on single phase
    • Grid setpoint defined at 80W
  • Fronius Symo 6.0-3-M (firmware 3.16.7-1) – connected to AC-OUT1 (critical loads) – no additional smart meter - sunspec activated
  • Victron MPPT VE.can 250/100 rev2 (firmware 1.06)
  • PV modules all with absolutely identical direction and no shadowing
  • BYD LV 15.4 (allowed charging and discharging current during the test procedure 243A) - BMS connected via CAN-bus (firmware 1.16)
  • VenusGX (firmware 2.60)
  • Any component with latest firmware as of today

topology.jpg

MPPT - Solar Charge ControllerESSFroniusfronius and victron
feed-01.jpg (345.5 KiB)
feed-03.jpg (348.2 KiB)
feed-04.jpg (344.0 KiB)
feed-02.jpg (344.8 KiB)
config-1.jpg (218.7 KiB)
config-2.jpg (249.8 KiB)
topology.jpg (109.1 KiB)
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0 Answers