This paper proposes a protocol for testing the immunity of three-phase self-commutated converters to voltage dips. An overview of voltage dips due to short circuits and earth faults that may affect a converter is given and their effect on the converter is demonstrated through simulation. Results confirm that the existing standard protocol given in IEC 61000-4-11 is not complete. An extended testing protocol is therefore proposed, which is compatible with IEC 61000-4-11.
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Sannino et al. (2005) studied this question.
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