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In actual application, as shading from cloud, tree and snow, the panel maybe appear Multi-MPP, but in
actually there is only one real Maximum Power Point. As the below Figure 1-3 shows:
Figure 1-3 Mutil-MPP Curve
If the program works improperly after appearing Multi-MPP, the system will not work on the real max
power point, which may waste most solar energy resources and seriously affect the normal operation of
the system. The typical MPPT algorithm, designed by our company, can track the real MPP quickly and
accurately, improve the utilization rate of the array and avoid the waste of resources.
1.5
Battery Charging Stage
The controller has a 3 stages battery charging algorithm (Bulk Charging, Constant Charging and Float Charging)
for rapid, efficient, and safe battery charging.
Figure 1-4 Battery changing stage Curve
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