# Impedance-Based Characterization of Positive–Negative Sequence Separation and Its Effects on MMC-HVDC Stability

> Research article (IEEE Journal of Emerging and Selected Topics in Power Electronics, 2021) · cited 23× · AI/ML

**Wikidata**: [openalex:W3201261974](https://www.wikidata.org/wiki/openalex:W3201261974)  
**Source**: https://4ort.xyz/entity/impedance-based-characterization-of-positivenegative-sequence-separation-and-its-effects-on-mmc-hvdc-stability