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Titel:
Design qualification and type approval of inverters for grid-connected operation of photovoltaic power generators: Dutch guidelines
 
Auteur(s):
 
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 1-11-1999
 
ECN publicatienummer: Publicatie type:
ECN-C--99-085 ECN rapport
 
Aantal pagina's: Volledige tekst:
23 Download PDF  (155kB)

Samenvatting:
In the Netherlands and worldwide, the installation of grid-connectedPV-systems is rapidly gaining pace and volume. This makes the need for regulations of the requirements of grid- connected PV inverters urgent. This document lays down requirements and recommendations for the design qualification and type approval of inverters for grid-connected operation of photovoltaic power generators with a current up to and including 16 A per phase for single or three phase power conditioners (max. 11 kVA) feeding into the utility low-voltage mains. Inverters up to 5 kVA can be single-phase connected, and only a minimum level of protection is required. Islanding prevention is considered to be implemented with sufficient safety and at low costs by using a window for grid voltage and frequency, as well as the frequency shift method. The document addresses the design of grid connected PV-inverters with regard to performance, electromagnetic compatibility (EMC), safety, utility interface protection and reliability. lt describes the applicable standards for the design as well as for the experimental verification of a number of aspects related to the items mentioned above. This document can be used by manufacturers in the design process, by testing institutes for research and development and by certification bodies for type approval. 31 refs.


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