sethmad

i could not find any command to limit the grid feed power. I dont think it is possible on the infinisolar V range.

I use a smart plug meter and it displays the current, active power and cos (fi) - powerfactor

@mototest interesting! I have exactly the same PCB with a defective microcontroller that has the VDD and VSS in short circuit. Someone put more than 80V PV panels on the input, damaged the mosfets and also this microcontroller. Did you find a replacement board or did you succeed to reflash the microcontroller?

Greetings to all, I have a defective Inverter Charger Easun Isolar SPS 3KW, it does not detect the PV panels voltage. I opened the case and found 2 defective mosfets, (IRFB3306PBF MOSFET, N, 60V, TO-220AB). Could you please help me with a schematic for the PWM charger? I found one Axpert 3kva schematic but it is missing exactly this PWM charger part. It has 6 mosfets IRFB3306, but only 2 seem to be defective. I attach also some photos for reference.

For me it is still strange., with no battery, NO LOAD connected, the inverter takes from AC IN ~300VAr (reactive power) + 60W Active Power. Why so much Reactive Power (~3 Amps @220V AC). This is why I asked If anybody could measure the power consumption from grid in similar inverters...

Hello Green power enthusiasts. I have a Voltronic type inverter (Infinisolar V2) and I noticed that there is a high power consumption (3 Amps AC) from Grid, when in bypass mode. I tried for example with no battery connected and just turned on the Output of inverter - I got 3.6 Amps (AC) from the Outlet. However, it seems that is not Active Power as I measured with a device the power consumption and Active power is only 60W, Rest seems to be reactive power (300 VAr). Displayed Power factor (on the device which was used to measure power consumption) is 0.06 . For now the reactive power is not payed in my country... but still.. I find it odd that this kind of inverters use so much reactive power from the grid in bypass mode. Has anybody encountered this issue? Could it be a problem in the Firmware? i checked with multiple units and it is the same...

Hello all, do you have any idea what would be the Voltronic equivalent for this inverter? Did anybody test it? How does it work on the long run, Any known bugs in firmware/hardware? https://daxtromn-power.com/products/6.2kw-hybrid-solar-inverter-pure-sine-wave-220vac-output-48vdc-input-120a-mppt-solar-charger-controller-6200w-european-union-stock-fast-ship?sku=18058548595162234918413742

Hello to all hardware hackers and software reversers from this forum. In the rush for cheap inverters, I bought a clone inverter of the Infinisolar V2 Daxtronm BGH-5KW. (looks exactly like Easun SV2 (Infinisolar V2) - a model very popular now in my country. The only difference / problem that I noticed is that it does not work without batteries connected. If I have only AC IN connected, as soon as I turn ON the AC out from the power switch it shows error 09 - bus soft start failed. It does not go into bypass mode. I had a look on the schematic diagram (many thanks @Coulomb- great work there), i also did a side by side comparison with EASUN SV2 (Infinisolar V2) and I noticed that U11 is missing from the Daxtronm PCB board (please see 4th photo). I also noticed that on the EASUN SV2 when in bypass mode, voltage on PV input (no PV's connected) rises to ~41...48[V] and on Daxtronm is only to 10...12[V] Any ideas how to make it work without batteries? (like EASUN SV2 does?) Could this missing U11 be the issue? Any thoughts/ideas would be greatly appreciated! Main DSP is TMS 320F2809P7A, FW ver: U1 52 20.