en.Wedoany.com Reported - Enphase Energy announced an increase in shipments of commercial microinverters from its US manufacturing facilities to meet the rising demand for distributed inverter architectures in the commercial solar sector. The new products include the IQ9N-3P and IQ8P-3P microinverters.

The IQ9N-3P, as Enphase's first gallium nitride-based commercial microinverter, integrates directly into three-phase 480Y/277V grid configurations without the need for an external transformer. Its California Energy Commission weighted efficiency reaches 97.5%, supports photovoltaic modules up to 600W, and is suitable for high-density system designs. The microinverters manufactured in the US comply with domestic content requirements, such as the Buy American Act, making them usable in federally funded projects and eligible for tax incentives.

This microinverter complies with UL 1741-SB and IEEE 1547-2018 grid interconnection standards, integrates rapid shutdown, automatic phase balancing, and phase loss detection functions, enhancing safety and stability. The Enphase Power Control software complies with UL 3141, supports export limiting or no-export operation, and simplifies grid integration. The microinverter architecture supports scalable deployments from below 100 kW to several hundred kilowatts, reduces high-voltage DC cabling and single points of failure through panel-level power conversion, and allows for incremental expansion.

This solution is particularly suitable for repowering applications, upgrading string inverter systems without modifying existing PV modules. For example, a ground-mounted solar array at Furman University in South Carolina is being upgraded in phases using Enphase microinverters to restore performance and improve reliability. The IQ9N-3P comes with a 25-year limited warranty and may adapt to regulatory changes related to foreign sourcing. The launch of gallium nitride microinverters drives innovation and sustainable development in commercial solar energy.

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