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SolarEdge Unveils
Inverter Products

Freemont, Calif.-based SolarEdge Technologies has introduced a new line of inverter and power optimizer products for commercial applications in the North American market.

The new offerings include a line of three-phase solar inverters from 9 kW to 20 kW. The company says the systems reach a weighted CEC efficiency of up to 98% due to a fixed-string voltage and will enable designers to specify longer module strings than with traditional inverters.

Supporting two 60-cell crystalline solar modules, the new 600 W power optimizer enables two-to-one connection for 60-cell modules and a new gateway for site communication and PV monitoring.

SolarEdge says its approach of taking the maximum power point trackers out of the inverters and putting them into the power optimizers increases energy harvest, offers module-level monitoring and enhances system safety.

SolarEdge: solaredge.us

 

Fronius USA
Launches Program

Fronius USA, a division of Austria-based power conversion systems maker Fronius International, has launched a certification program for installers of its PV systems.

The Fronius Service Program consists of training sessions covering its IG, IG Plus and CL grid-connected PV inverters and its data communications system. The program certifies installers to conduct board-level replacements for these systems in the field.

Each two-day Fronius Service Program training session allows installers to earn eight North American Board of Certified Energy Practitioners credit hours.

Fronius USA: fronius.com

 

PI-Berlin OKs
DragonBack Tech

The Photovoltaik Institut Berlin AG (PI-Berlin) has approved the Meyer Burger Technology Group’s DragonBack measurement method for solar modules.

Developed by Meyer Burger’s Pasan SA measurement technologies business unit in cooperation with the SUPSI-ISAAC-Swiss PV Module Test Center, DragonBack is incorporated into the new HighLIGHT solar module simulator.

Meyer Burger says PI-Berlin certification indicates the DragonBack method is suitable for PV module testing in a high-volume production environment.

Meyer Burger: meyerburger.com

 

Soitec Unveils
Four-Junction Cell

Soitec, a French maker of semiconductor materials for the electronics and energy industries, has announced a four-junction solar cell for use in concentrator PV arrays. The company says its four-junction solar cell has achieved a peak efficiency of 43.6% at a concentration level of 319 suns.

The new cell was developed in collaboration with the Fraunhofer Institute for Solar Energy Systems and the Helmholtz-Zentrum für Materialien und Energie, both of Germany. CEA-Leti, France’s research institute for electronics and information technologies, also participated in the project.

André-Jacques Auberton-Hervé, CEO of Soitec, says the development represents a major proof-of-concept milestone in the company’s goal of demonstrating a concentrated solar cell with 50% efficiency by 2015.

Soitec: soitec.com

 

JinkoSolar Modules
Gain Certification

JinkoSolar Holding Co. Ltd. has announced its solar PV modules have passed TUV Nord’s Dust and Sand Certification test. The certification indicates that the company’s modules are suitable for installation in desert regions, where conditions can inflict considerable wear and tear on PV systems.

TUV Nord’s Dust and Sand Certification test simulates the typical erosion effect of heavy desert sandstorms. JinkoSolar considers certification of its products for such extreme environments important for the company’s future success.

“The considerable increase in the number of PV installations in desert regions makes it essential to develop solar modules that can withstand the strong impact of high-velocity sand and avoid the accumulation of dust on the surface of the modules,” says JinkoSolar CEO Kangping Chen.

JinkoSolar: jinkosolar.com

 

Mage Introduces
AC PV Module

Mage Solar has announced the availability of a 208 V-compatible version of the company’s 245 W AC PV module intended for the residential and small-commercial markets.

The company says the 60-cell polycrystalline module has a peak efficiency of 95.7% and a maximum power output of 240 W AC. The module functions as a single package outfitted with insulated AC cabling and equipment ground. Mage Solar says the new modules, assembled at its production facility in Georgia, are ETL certified to UL 1741.

Mage Solar: magesolar.com

 

Groups Developing
Cell Processes

The Fraunhofer Institute for Solar Energy Systems (ISE) has announced a partnership with EV Group to develop equipment and process technology to enable electrically conductive and optically transparent direct-wafer bonds at room temperature.

The Germany-based research institute says direct-wafer bonding provides the ability to combine a variety of materials with optimal properties for integration into multi-junction solar cells. The new manufacturing processes are intended to enable mismatched material combinations like gallium arsenide (GaAs) on silicon, GaAs on indium phosphide (InP), InP on germanium and GaAs on gallium antimonide.

The research institute expects direct-wafer bonding to play an important role in the development of next-generation III-V solar cell devices with applications in space, as well as terrestrial concentrator photovoltaics.

ISE: ise.fraunhofer.de S