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ECN publication
Additional requirements for PV inverters necessary to maintain utility grid quality in case of high penetration of PV generators
Heskes, P.J.M.; Rooij, P.M.; Moor, H.H.C. de; Oldenkamp, H.E.; Jong, I. de
Published by: Publication date:
ECN Energy in the Built Environment 1-7-2004
ECN report number: Document type:
ECN-RX--04-076 Conference Paper
Number of pages: Full text:
7 Download PDF  

Presented at: 19th European Photovoltaic Solar Energy Conference and Exhibition, Paris, France, 7-11 juni 2004.

Currently the total power of PV-generators in the built environment is small compared to the power of the distribution transformer. With the steady growth of PV installations, the penetration of PV-generators in the built environment will grow as well. This will lead to new phenomena, which may eventually result in grid instabilities. Whether or not these phenomena will occur depend on the high frequency parameters of the inverter(s), the load and the utility grid. This paper describes a way to model the harmonics behaviour in a utility grid. Next a simple test method is presented that can be used to measure the high frequency parameters of the loads and the inverters accurately.

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