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ECN publication
A new low-cost modular inverter using advanced ASIC control : rigorous performance tests result in rapid adaptation to market demands
Heskes, P.J.M.; Eikelboom, J.A.; Rooij, P.M.; Bettenwort, G.; Margaritas, B.; Ortjohann, E.
Published by: Publication date:
ECN Solar Energy 1-10-2001
ECN report number: Document type:
ECN-RX--01-019 Conference Paper
Number of pages: Full text:
4 Download PDF  

Presented at: 17th European Photovoltaic Solar Energy Conference, Munich, Germany, 22-26 oktober 2001.

Laboratory tests on a new modular inverter using an application-specific integrated circuit are discussed. The inverter design is optimised for Ascom's large-scale telecom production facilities. The ASIC isdeveloped by means of sophisticated simulation tools and is the key controlling unit in the design. The electrical properties of the inverter, such as efficiency of power conversion, quality of delivered energy and behaviour of a large number of inverters in parallel are tested by the Energy research Centre of the Netherlands (ECN). Special attention is paid to the behaviour of inverters in parallel in relation to harmonic distortion, to estimate the effect of large-scale PV integration. This design process resulted in a rapid adaptation to market demands for a new low-cost inverter and brought the final user price below one ?/W and the warranty period to ten-years.

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