Dynamic influences on protection systems in distribution networks with distributed generation

Keil, T.; Jaeger, Johann; Schaefer, Nils; Degner, T.

doi:10.1109/ciced.2008.5211636

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2009

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“…Distribution networks of tomorrow will have to meet the challenge of allowing the integration of more and more distributed energy resources (DER) without reducing security of supply. Concerning this matter, in the field of system protection manifold problems do and will arise since many DER are based on fluctuating renewable energy resources like wind or solar radiation [1], [2]. An increasing rate of installed DER capacity often results in higher loadings of equipment [3], as previous distribution networks have commonly been designed for a central power supply with unidirectional power flow.…”

Section: Introductionmentioning

confidence: 99%

Advanced system protection methods due to highly fluctuating infeeds from distributed energy resources

Schaefer¹,

Degner²,

Keil³

et al. 2009

IET Conference Publications

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Fluctuation of load and generation from distributed energy resources may impact the system protection in distribution networks. The aim of this research work is to determine in how far short-term peak loading conditions restrict the ability of a protection relay to distinguish between load and fault case. Suitable network scenarios are analysed in order to address this new challenge for the system protection

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Section: Introductionmentioning

confidence: 99%