Jiaxing Solarway New Energy Co.,ltd.
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| Model | MPPT12/24-10A |
| Solar system voltage | 12/24V auto. work |
| PV operating voltage | 12V 17-120V DC; 24V 34-120V DC |
| Max. PV input power | 12V 130W; 24V 260W |
| Rated output current | 10A |
| Rated DC load current | 10A |
| Max. conversion efficiency | 97.50% |
| Protection | PV array short circuit, over charging, battery reverse polarity,output short circuit |
| Battery type | Sealed,Gel,AGM,Flooded,Lithium battery |
| Charging algorithm | 3 stage: Bulk,Absorption, Float |
| Bulk charge voltage | sealed 14.4V ;AGM 14.2V; GEL 14.2V; Flooded 14.6V |
| Float charge voltage | Sealed/Gel/AGM:13.8V. Flooded 13.7V |
| Equalize charge voltage | Sealed 14.6V AGM 14.8V Flooded 14.9V |
| Dimension(L*W*H) | 17*17.5*9.5cm |
| Gross Weight | 1.4kg |
| Warranty | two years |
Function
The main function of MPPT controller is to detect the dc voltage and output current of the main circuit, calculate the output power of the solar array, and realize the tracking of the maximum power point.
Disturbance resistance R and MOSFET series together, in the output voltage is basically stable, by changing the MOSFET duty cycle, to change the average current through the resistance, so the current disturbance.
At the same time, the output current of photovoltaic cell voltage will also be changed, by measuring the perturbation pv cells before and after the change of the output power and voltage, to determine the disturbance direction of the next cycle, when the disturbance in the right direction solar energy panels output power increases, the periodic disturbance, to continue in the same direction on the other hand, the disturbance in the opposite direction, so, Repeated disturbances and observations are made to reach the maximum power point of the solar photovoltaic panel output.
The MPPT controller will track the maximum power point in the solar panel in real time to give full play to the maximum efficiency of the solar panel. The higher the voltage, the more power can be output through maximum power tracking, thus improving charging efficiency.