# State Monitoring and Fault Diagnosis of HVDC System via KNN Algorithm with Knowledge Graph: A Practical China Power Grid Case

> Research article (Sustainability, 2023) · cited 20× · AI/ML

**Wikidata**: [openalex:W4321377872](https://www.wikidata.org/wiki/openalex:W4321377872)  
**Source**: https://4ort.xyz/entity/state-monitoring-and-fault-diagnosis-of-hvdc-system-via-knn-algorithm-with-knowledge-graph-a-practical-china-power-grid-