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News

Outdoor central solar inverter delivers without derating in harsh weather

Danfoss Industrial Automation : 14 July, 2013  (New Product)
The Danfoss Central Series is an innovative outdoor solution for the utility scale market. It delivers maximum efficiency without derating even under harsh weather operation of up to 50C. This series redefines high performance in the Sunbelt regions.
Outdoor central solar inverter delivers without derating in harsh weather

The new series of utility scale inverters designed for harsh weather regions has a product range of 1 to 1.5MW. It has been designed with the toughest criteria in mind on all critical components, with a NEMA 4 sealed inverter section. This makes the inverter highly robust and reliable.

With this new design concept, the series achieves peak efficiencies up to 98% and works at ambient temperatures from -20 to +50C without derating. All of the components remain optimally cooled, due in part to its liquid cooled design for semi-conductors and inductors, which use the patented ShowerPower switching technology. This integrated technology is equipped with speed-controlled fans and pumps to avoid internal pollution and lengthen maintenance intervals - even in dusty regions.

The inverter’s compact size and weight greatly improves transport logistics. Quicker start-up time is derived from a fully equipped unit that can be mounted directly to a concrete pad or skid together with a close coupled transformer. Installation can be completed safely and efficiently with designated cabinet functions and quick connections.

Liquid cooled heat sinks keep the unit cleaner while variable speed controlled fans and pumps help the unit perform more efficiently. The inverter is also equipped with a dehumidifier for water vapor removal.

An LCD display shows the unit’s operating status, and a built-in data logger records and sends performance and operational data. Offering the best in communication capabilities, it allows pyranometer, wind-speed indicator, and temperature sensors to work in parallel. All data is recorded and stored from each unit to be transmitted daily via modem or an optional Internet connection.

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