What is the difference between MPPT input and string input?

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At present, different manufacturers have different technical routes for string inverters. There are unipolar and two-level inverters. The usual practice is to use a two-level electrical structure. The front stage is a boost booster, and the rear stage is a DC-AC inverter. Variable, the maximum power tracking MPPT is generally placed in the front stage. […]

What is the difference between MPPT input and string input? Ler mais »