diy solar

diy solar

Recent content by mkimid

  1. M

    Battery Charging

    The battery should have BREAKER for over current protection, it will be enough to protect your system. but, MUST BE A BI-DIRECTIONAL DC Break, some battery supplier use AC breaker, and it will have huge delay to trip under over-current fault. and then, need a FUSE. Note, The most DC breaker is...
  2. M

    Schneider LiFePo4 Build

    For long term use, 3.40V per cell is the enough voltage to charge LFP battery to full, the charging late is 1/10C rate. 3.45V per cell is the enough voltage to charge LFP battery to full, the charging late is 1/5C rate. 3.50V per cell is the enough voltage to charge LFP battery...
  3. M

    Bricked xwpro?

    I have similiar experienced while upgrading firmware, it has stuck at 9x%, and reset by itself, and stacked in black status. but, my device had connected with gateway (insight home/facility), and xw pro is showing nothing (no led/display) like as turn-off, When I have power cycling (turn off...
  4. M

    Bricked xwpro?

    Power Cycling Again, and then, update firmware again. your XP Pro should be in Bootloader mode for firmware upgrade
  5. M

    backup inverter for longer grid outages

    i am using XW pro with 30kWh for temporary backup, and using a fuel generator for long term back-up. I have 8kW, and average power usage is 16kWh/day, worst solar energy (cloudy & rainy days) is 6 days in my place, and storage demand is 106kWh (it means, I need 106kWh*110% to be independent from...
  6. M

    backup inverter for longer grid outages

    Maybe a portable generator should be better, and 33kWh is too small I guess
  7. M

    Multiple inverters, different brands on same grid ?

    many houses are sharing a transformer, and, everyone may have a different system.
  8. M

    Idle 'no load' Consumption: Specs vs Your Personal Observation

    1. Schneider XW Pro 6848 2. 48V (51.2V) 3. 6.8kW 4. 6W in Standby mode, 16~18W in operation (idle mode) are measured {From Battery] Note : SCP use 0.2~1W, Gateway use 2~4W have included in #4
  9. M

    JK BMS poor quality and alternative?

    Unfortunately, super capacitor in the active balancer has the limited cycle life. If operating the battery pack in top-up position (most full status), balancer will cycle the capacitor too many cycles, and practically, can standing 2~3 years for 1A, 3~5 years for 2A. the super capacitor is not...
  10. M

    Cell price drop

    I think, the current cost is around $110~130/kWh now, but, Cost will go down under $100/kWh soon, no need to hurry if not urgent. Factory cost is around $50~60/kWh in China.
  11. M

    Enphase Internal URLs to read consumption meters

    https://github.com/Matthew1471/Enphase-API
  12. M

    Schneider XW Pro 6848 - Loud Humming Noise

    if the noise is not coming from your next door, there is no other solution except trying to use the different firmware such as v1.11_BN0028 or 49.
  13. M

    Schneider XW Pro 6848 - Loud Humming Noise

    If the noise is happening in Standby Mode, need to contact on Schneider. I have got the similar issue with you, Hum while always http://www.bomijoa.com/files/se/se/IMG_1092.MOV No hum while inverting (AC IN ON/OFF Both), just Humming while AC Pass Thru...
  14. M

    Schneider XW Pro with FW 1.11.01bn49, No Sell or Charge

    While PLS is working, charger function will be disabled. http://www.bomijoa.com/solar/?detail=0&offset=0&size=1&debug=1 on 4/28 at the first graph 00:00 ~ 06:00 - PLS, so, no load from grid 06:00 ~ 13:00 - Main solar generate power and export to grid, and using small amount. net...
  15. M

    Schneider XW Pro with FW 1.11.01bn49, No Sell or Charge

    while adjust the setting, firmware can be messed especially, Grid Reference Voltage Selection as Dynamic, Association, and Factory Reset. I have tried to adjust/charge in BN0049, but failed in my trial. so, I have restarted from the previous version, and makes it working let me share what I...
Back
Top