Research of Voltage Sag Propagation through Transformers

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Abstract:

Voltage sag is one of the most critical power quality problems. This paper calculates voltage sag propagation through YNd11 and Dyn11 winding connected transformers in series using symmetrical components, thus obtaining the voltage transfer matrix. Then the voltage sag propagation of single line-to-ground fault is computed using the transfer matrix. Simulation result proves the correctness of the analytical calculation, providing reference for the further study of voltage sag influence and estimation.

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Advanced Materials Research (Volumes 706-708)

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1504-1510

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June 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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