Solar UPS retrofit – MPPT Charger with Intelligent Logic
Solar MPPT Charger with intelligent logic : In this system we have provided relay contact which will operate automatically.
Intelligent logic to control grid supply:
1) When battery fully charged upto 2.42VPC then the grid supply to load is disconnected and load is shifted to solar + battery (inverter).
2) When battery gets discharged to 1.9VPC then the grid supply is reconnected to the load and battery is charging with solar + grid.
Grid Relay ON (Grid ON LED indication): Load on grid
Grid Relay Off : Load on (Battery) or (Battery + Solar)