# A non-unit boundary protection of DC line for MMC-MTDC grids

> Research article (International Journal of Electrical Power & Energy Systems, 2019) · cited 50× · AI/ML

**Wikidata**: [openalex:W2972598100](https://www.wikidata.org/wiki/openalex:W2972598100)  
**Source**: https://4ort.xyz/entity/a-non-unit-boundary-protection-of-dc-line-for-mmc-mtdc-grids