# Grid impedance estimation for grid-tie inverters based on positive sequence estimator and morphological filter

> Research article (Electrical Engineering, 2020) · cited 13× · AI/ML

**Wikidata**: [openalex:W3006563588](https://www.wikidata.org/wiki/openalex:W3006563588)  
**Source**: https://4ort.xyz/entity/grid-impedance-estimation-for-grid-tie-inverters-based-on-positive-sequence-estimator-and-morphological-filter