# Contact pressure of high-voltage DC power relay change and life prediction and structure optimization

> Research article (Advances in Mechanical Engineering, 2021) · cited 24× · AI/ML

**Wikidata**: [openalex:W3132341208](https://www.wikidata.org/wiki/openalex:W3132341208)  
**Source**: https://4ort.xyz/entity/contact-pressure-of-high-voltage-dc-power-relay-change-and-life-prediction-and-structure-optimization