# Ancillary service quantitative evaluation for primary frequency regulation of pumped storage units considering refined hydraulic characteristics

> Research article (Journal of Energy Storage, 2021) · cited 25× · AI/ML

**Wikidata**: [openalex:W4200204656](https://www.wikidata.org/wiki/openalex:W4200204656)  
**Source**: https://4ort.xyz/entity/ancillary-service-quantitative-evaluation-for-primary-frequency-regulation-of-pumped-storage-units-considering-refined-h