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Delta Energy Systems (Germany) GmbH exhibits for the first time the new transformerless SOLIVIA 3.0, 5.0, 10 and 30 EU TL solar inverter models with an output power ranging between 3 and 30 KW. Together with the already existing models, SOLIVIA 15 and 20 TL, Delta offers a complete range of advanced transformerless inverters for all installation sizes and requirements.

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At the 8th of March, the “Autorità per l´Energia Elettrica e il Gas” (AEEG) released a new regulation applying for PV installations that are connected to the low and mid voltage grid - ARG 84/2012 art 4.1 letter a) and d). According the new regulation, from 1st of April, all inverters that are installed in Italy need to be equipped with new frequency operating ranges.

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The demand for radio-based solutions in the area of systems monitoring of photovoltaic systems is steadily increasing. Delta Energy Systems (Germany) GmbH has successfully investigated the compatibility of the SOLIVIA solar inverters with communications solutions in the area of radio modems from TRL Funksysteme GmbH.

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On December 14, 2011, the German Federal Ministry for the Environment, Nature Conservation, and Nuclear Safety (BMU) and the Federal Ministry of Economics and Technology (BMWi) published the application note section 6, paragraph 2 EEG 2012. The note affects the requirement of a remote controlled regulation possibility of PV installations. The regulation will be handled through the grid operator. Up to now, only PV installations with an output power of more than 100 kW were affected by this regulation, now as well smaller installations should be equipped with a technical device in order to ensure the possibility of a controlled regulation or shut-down of the installation. In general, PV plants will be first integrated into the feed-in management system when a so called „Regulation about a standard procedure for determination of revenue losses” comes into effect. This regulation will be set up and published in the course of 2012.

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Delta Energy Systems (Germany) GmbH expands the SOLIVIA solar inverter product range with a new model for the European market. The SOLIVIA 11 EU G4 TR with an output power of 11 kW offers new customer-friendly product features and allows high flexibility for the system configuration of photovoltaic installations.

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