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String Solar Inverters

A stringr inverter adopts a DC/DC+DC/AC two-stage control by managing multiple MPPT inputs separately. The system voltage can range from 1000V to 1500V, and the power can reach up to 325kW. To enhance system performance, a string inverter usually adopts the I-type 3-level architecture, and uses medium-voltage, medium-current, plug-in packaged modules or single switches. Limited by the power density, string inverters generally have relatively strict requirements on component size.