# Dynamic Improvement of a UPQC System Operating Under Grid Voltage Sag/Swell Disturbances

> Research article (IEEE Transactions on Circuits & Systems II Express Briefs, 2023) · cited 25× · AI/ML

**Wikidata**: [openalex:W4361800827](https://www.wikidata.org/wiki/openalex:W4361800827)  
**Source**: https://4ort.xyz/entity/dynamic-improvement-of-a-upqc-system-operating-under-grid-voltage-sag-swell-disturbances