Product Overview
High end type designed with dump load resistance which makes the work system more safe.
Parameters can be adjusted according to customers's requirements, convient in various environments.
Adopt MPPT boost charging way, charging efficiency improved very much.
Both PWM and MPPT controllers have their own unique advantages and disadvantages, and which one to choose depends on the design characteristics, cost, and external environment of the solar photovoltaic array. The following factors should be considered when we choose:
MPPT controller is more expensive than PWM controller, but MPPT controller has higher charging efficiency, especially in cold climate conditions. The MPPT controller also allows more photovoltaic (PV) panels to be wired in series (high voltage differential), which is another big advantage. In this case, the cross-sectional area of the connecting cable can be greatly reduced, resulting in a corresponding reduction in the overall system cost.
Compared with MPPT controller, the biggest disadvantage of PWM controller is its efficiency. PWM charging controller cannot charge the maximum power generated by photovoltaic (PV) array, and its overall efficiency is usually between 65-85%. On the other hand, MPPT controller ensures that the solar array is always in the best running state. In some cases, such as when the weather is cold, the MPPT mode provides charging efficiency 30% higher than the PWM mode (high charging efficiency).
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