Second-generation micro-inverter

In 2010, Delta Energy Systems started development of the next-generation micro-inverter known as the SOLIVIA .25 M. The SOLIVIA .25 M micro inverter, expected to ship in Q2 2011, is an exciting addition to the existing SOLIVIA line, that includes four new high-efficiency grid-tie inverters for the North America market. Several key benefits become apparent for the SOLIVIA .25 M: they are very compact and easily installed directly within a solar module frame; each unit serves to convert a single solar module’s DC power to grid compliant AC power eliminating the need for expensive DC disconnects and combiner boxes; and, each unit offers per-module Maximum Power Point Tracking (MPPT), which leads to greater efficiency and greater energy harvest from the complete solar array. The SOLIVIA .25 M will have a nominal output power of 250 watts and be oriented to 250 watt poly- and monocrystalline modules. The micro-inverter is targeted to have a high CEC efficiency of 95.5% and a target MPPT efficiency of 99.9%. The micro-inverter will feature an enclosure protection class of NEMA 6/IP67, and operate in a wide temperature range of -25 °C to +85 °C making it ideal for installation in protected outside areas.

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