New Approach of Calculation the Steady State Symmetrical Fault Current for Type 4 Wind Power Plants

Abstract:

With the increasing penetration of the distributed generation driven by renewable energy in distribution systems, there is a need to analysis fault currents for the next generation utility and smart grid systems. The steady state fault current contribution from Type 4 wind turbines is not calculated accurately by traditional short circuit analysis techniques. A new formulation for calculating the short circuit current sharing from voltage source converter wind turbines is presented, and taken into consideration the real behaviour of the type 4 WT during three phase short circuit in the electric system. The results are compared with that obtained from the dynamic simulation results using Power World Simulator program, which has the generation of Western Electricity Coordinating Council (WECC) generic model. The percentage difference between the two results is about one percent that verify the effectiveness of the proposed formulation

• Periodical: International Journal of Engineering Research in Africa (Volume 48)
• Pages: 162-178
• DOI: https://doi.org/10.4028/www.scientific.net/JERA.48.162
• Online since: May 2020
• Authors: Abdelazeem H. Shehata*, Amgad A. El-Deib, Zeinab H. Osman
• Keywords: Fault Ride Through, Short Circuit Current, Voltage Source Converter, WECC Generic Model, Wind Power Plants

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