Posted April 4, 20205 yr Axpert 5kVA, please can I have assistance... During the day Inverter "looses" the PV input (on bright sunny day) It will be working fine then the PV input on the panel disappears for a while, sometimes hours. Although you can measure voltage incoming to the Inverter there is no connect. Then it will return & reconnect?
April 4, 20205 yr 57 minutes ago, Palzim said: Although you can measure voltage incoming to the Inverter there is no connect. What is the voltage coming to the inverter when it's not connecting.
April 4, 20205 yr Author 7 minutes ago, Jaco de Jongh said: What is the voltage coming to the inverter when it's not connecting. when i tested yesterday 122V (6 x 330w panels in 2 arrays of 3) Edited April 4, 20205 yr by Palzim
April 4, 20205 yr 6 minutes ago, Palzim said: when i tested yesterday 122V Thank you, and what is your MPPT range (Label on the side should show it) , Is that a MUST unit?
April 4, 20205 yr Author 1 hour ago, Jaco de Jongh said: Thank you, and what is your MPPT range (Label on the side should show it) , Is that a MUST unit?
April 4, 20205 yr Author 48 minutes ago, Igubu said: Good Morning, single unit or more than one in parallel? B single
April 4, 20205 yr Strange- had it with another similar brand - but was 2 in parallel and even with its power saving mode disable (when low load) still did it on one- but leaving it overnight sorted itself out- this is with a large lithium bank (360ah) supplying as well. So it seemed with low load one of the two went into a power saving- and the other one supplied load from battey & PV.. but your case seem to be different. Perhaps Jaco has some other ideas... if you do have batteries as well, perhaps make sure a “power save” mode is disabled. Im NOT referring to throttling the PV input on low load/batteries full - that setting has to be enabled.
April 4, 20205 yr 4 hours ago, Palzim said: I see that the MPPT range is from 54 to 130 volt. I am guessing here, but that 122 is a bit to close for comfort, it might be that the MPPT is sensing 130 or above and that will cause it to disconnect.. If you want to rule this out, connect 3 strings of 2 in series and see if it still disconnects. I am no expert, but this seems like a clone of the Axpert.. @Coulomb, will be able to tell us more. EDIT: As I thought, its a MUST.. (Clone)
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