Single-Cluster System (Single-Phase)

Required device types for single-phase single-cluster systems

In single-phase single-cluster systems, the Sunny Island inverters must be of the same device type ( > Further Information on Clusters). SI 4.4M devices cannot be used in single-phase single-cluster systems.

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Principle of a single-phase single-cluster system

In a single-phase single-cluster system, up to 3 Sunny Island inverters are connected to one battery forming a cluster. The Sunny Island inverters are connected on the AC side to the same line conductor.

    Single System
    Single-Cluster System (Three-Phase)