Enecsys announces the cost-saving, solar PV Duo: the power and functionality of two micro-inverters in one package

360W dual micro-inverter reduces costs, maintains individual MPPT for maximum energy harvest from each solar PV module and simplifies system design and installation

Cambridge, UK, March 2011: Enecsys Limited, a solar photovoltaic (PV) micro-inverter company, announces the Enecsys Duo micro-inverter. This 360-Watt addition to the Enecsys micro-inverter family is the world’s highest power density micro-inverter with dimensions of 262 x 160 x 35mm. Designated the SMI-D360W-72, it is designed to reduce system costs whilst supporting fully independent power point tracking of two connected photovoltaic modules. The DC power generated by the two modules is converted into a single, grid-compliant AC output in the Enecsys Duo. System layout and planning is simplified and installation time and costs are reduced because only half the number of micro-inverters is needed for each system. Solar PV systems using the Enecsys Duo will have comparable capital costs to those using string inverters but will deliver 5% to 20% more energy. The degree of improvement in energy harvest depends on the installation configuration and the operating environment. When adopting the Enecsys micro-inverter solar PV architecture, systems do not suffer from dramatic reductions in output when modules are mismatched or when one PV module, or part of a module, suffers from lower output due to shading caused by trees, chimneys or debris on its surface. These are some of the most significant problems in conventional systems employing string inverters.

The Enecsys Duo micro-inverter has 95% peak efficiency and 93% Euro efficiency. The Enecsys Duo micro-inverter is based on the same patented technology employed in other Enecsys micro-inverters and maintains full performance from -40 degrees C to +85 degrees C, an important consideration in real-world operating conditions on residential and commercial rooftops. Solar modules connected to the Enecsys Duo do not need to be matched or be located on the same plane. They can be oriented in different directions to maximize usable roof space without impacting overall system performance.

As with other Enecsys micro-inverters, electrolytic capacitors and other low-reliability components have been eliminated to ensure a life expectancy of greater than 25 years for the Enecsys Duo. Reliability has been verified using HALT, HASS and accelerated life tests to IEC61215, the same methodology used to test solar PV modules.

The Enecsys Monitoring System provides on-line and real-time information about the total energy generated, individual solar module performance and the historical pattern of power generation. The Enecsys micro-inverter is equipped with a robust, built-in wireless system that connects to the Internet via a Gateway. This comprehensive monitoring, not available with string inverters, promptly gives users and installers precise information to ensure optimized performance over the life of the solar PV installation.

All Enecsys micro-inverters are designed for both North American (60Hz) and European (50Hz) electricity grid systems. The relevant agency approvals for the Enecsys Duo micro-inverter are expected during March 2011 at which time the products will be available in Europe.

The Enecsys Duo comes with a 20-year limited warranty.

Enecsys Limited, develops, manufacturers, and markets world-leading, highly reliable, grid-connected solar micro-inverters and monitoring systems for residential and commercial photovoltaic systems that offer an outstanding value proposition. The micro-inverter maximizes energy harvest and converts the DC power from each solar module into quality AC power for supply to the electricity grid. The advantages of Enecsys solar micro-inverters include: maximized energy harvest, improved safety, increased lifetime and reliability, enhanced performance monitoring, and simplified PV array design and installation. The monitoring system tracks, in real-time, the performance of each solar module and transmits the information through a robust built-in wireless communication system that connects to the Internet. Headquartered in Cambridge, UK, the company also has sales and support offices in Bad Homburg, Germany and in Redwood Shores, California. For more information, please visit http://www.enecsys.com.

Source:TechnoPR for Enecsys

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