# Performance enhancement of pumped storage units for system frequency support based on a novel small signal model

> Research article (Energy, 2021) · cited 61× · AI/ML

**Wikidata**: [openalex:W3173915046](https://www.wikidata.org/wiki/openalex:W3173915046)  
**Source**: https://4ort.xyz/entity/performance-enhancement-of-pumped-storage-units-for-system-frequency-support-based-on-a-novel-small-signal-model