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  Delta Presents Highly Efficient CI 100 Central Inverter at PV Expo 2009 in Tokyo
Teningen, Germany, February 25, 2009 – Delta is presenting a prototype of its new highly efficient CI 100 Central Inverter at the 2nd Int'l Photovoltaic Power Generation Expo 2009 held in Tokyo, Japan. The CI 100 inverter offers maximum flexibility, user-friendliness and reliability due to its modular system concept. Its modular central inverter system has up to nine inverter modules, each of which offers 11 kW nominal output power from the core of the inverter system and peak efficiency up to 95.6%. With the CI 100 Delta is meeting the demands of the market in terms of flexible inverter solutions with higher power ratings.

The benefits of a modular approach at a glance:

·System solutions from 11 kW up to 100 kW can be realized quickly and cost-effectively.

·Highly fail-safe: Thanks to N+1 redundancy of 11 kW plug-in modules connected in parallel, inverter module failures do not lead to a failure of the entire system. The mains supply is continued, meaning that there is no interruption in output.

·Extended service life: Thanks to both intelligent partial shutdown of inverter modules when solar radiation is reduced and a rolling master module principle developed by Delta. (For this, an algorithm that takes into account the operating hours of the individual modules is used to determine which inverter module shall assume control of the system when it is started up. This considerably increases the system modules' service life.)

·Easy to maintain: 11 kW modules can be replaced quickly and effortlessly. Each module is connected to the system by means of just one rear connector. The system enables AC-side selective isolation by means of automatic circuit breakers.

The CI 100 Central Inverter is an ideal supplement to the existing solar inverter product line of 2500W, 3300W and 5000W String Inverters. Delta will showcase its CI 100 system solutions at Booth No. PV6-23, West Hall 1 at the 2nd PV Expo 2009.

Due to close collaboration with DelSolar Co., Ltd., a solar cell and PV module design company of Delta Group, Delta is able to offer complete PV System solutions with its own optimally matched self-designed and manufactured components. Delta's photovoltaic solutions are available in Germany, France, Spain, Italy, Turkey, Israel, India, Singapore, Thailand, Australia, Japan, Korea, Taiwan, China, Brazil and the USA.
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