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BOS (Balance-Of-System) refers to the components and equipment that move…

- - - - for residential purpose
    - - up to 500kw, for solar farm
    - - optimize each solar panel individually
    - - multi-mode to coordinate charge and discharge of the battery
    - - convert battery to 230v AC and feeds into switchboard
  - - - Inverters have a peak power rating, can run only within a short period of time. To be safe, you have to buy inverter three times of power than your house load needs.
    - - A low cost inverter provides a modified sine wave, a more expensive provides a pure sine wave. With modified SW affects some electrical appliances.
    - - Eg. Small inverter provides up to 3kW of power, using 12V. Larger inverter require higher voltage.
    - - Must be able to cope with the surge for starting current
    - - Above 90%
    - - Web based support system
      - IOT
      - Gives Notification
      - Replaceable module
  - - - Medium power: up to 5000VA
      - High power: above 5000VA
      - Low power: up to 500VA
    - - Quasi-sine wave
      - Square wave
      - Sine Wave
  - - - Possibly due to inverter not producing pure since wave
    - - Possibly temperature issue of inverter, the hotter they get, the less power produce.