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Impact of Enhanced Synchronization Techniques of Wind Power Plants on the Short-Circuit Current

Asia-Pacific Power and Energy Engineering Conference, APPEEC, ISSN: 2157-4847, Vol: 2019-December, Page: 1-5
2019
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Conference Paper Description

Within this paper, the impact of enhanced synchronization techniques of wind power plants with full-scale converter on the short-circuit current is presented. The reaction of the full-scale converter with three different synchronization techniques are compared to each other. As reference the reaction of the model with a synchronous reference frame PLL for the synchronization is used. The reference scenario is compared firstly to the reaction of the model with the same synchronous reference frame PLL combined with a low-pass filter and secondly to the reaction of the model with a decoupled double synchronous reference frame PLL. During voltage drops, the reaction as a low-pass filter of the enhanced synchronization techniques leads to a significant transient response in settling with high currents. This is problematic for the short-circuit current calculation according to IEC 60909, which considers wind power plants with full-scale converter as a constant short-circuit current source.

Bibliographic Details

Nils Schäkel; Alexander Neufeld; Lutz Hofmann

Institute of Electrical and Electronics Engineers (IEEE)

Energy

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