# A two-stage power system frequency security multi-level early warning model with DS evidence theory as a combination strategy

> Research article (International Journal of Electrical Power & Energy Systems, 2022) · cited 20× · AI/ML

**Wikidata**: [openalex:W4282920591](https://www.wikidata.org/wiki/openalex:W4282920591)  
**Source**: https://4ort.xyz/entity/a-two-stage-power-system-frequency-security-multi-level-early-warning-model-with-ds-evidence-theory-as-a-combination-str