# A Setting-Free Differential Protection for Power Transformers Based on Second Central Moment

> Research article (IEEE Transactions on Power Delivery, 2019) · cited 35× · AI/ML

**Wikidata**: [openalex:W2907138633](https://www.wikidata.org/wiki/openalex:W2907138633)  
**Source**: https://4ort.xyz/entity/a-setting-free-differential-protection-for-power-transformers-based-on-second-central-moment