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Advantages of MPPT controller with fewer strings and more

Advantages of MPPT controller with fewer strings and more

(Summary description) Less functional loss: There are many MPPT algorithms, such as interference observation method, incremental conductance method, conductance incremental method, etc.

Advantages of MPPT controller with fewer strings and more

(Summary description) Less functional loss: There are many MPPT algorithms, such as interference observation method, incremental conductance method, conductance incremental method, etc.

Information

1. Less functional loss: There are many MPPT algorithms, such as interference observation method, incremental conductance method, conductance incremental method, etc. No matter which algorithm it is, it judges the change of the intensity of sunlight by continuously changing the DC voltage, so there will be errors. For example, when the voltage is actually at the optimal operating point, the inverter will still try to change the voltage. To judge whether it is the best working point, if there is more MPPT, there will be more loss.

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2. Less measurement loss: When MPPT is working, the inverter needs to measure current and voltage. Generally speaking, the greater the current, the greater the anti-interference ability and the less error.

3. Less circuit loss: The MPPT power circuit has an inductor and a switch tube, which will cause losses during operation. The more MPPT circuits, the greater the loss. Generally speaking, the greater the current, the smaller the inductance and the less the loss.

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