# A fast hybrid PLL with an adaptive all-pass filter under abnormal grid conditions

> Research article (Electric Power Systems Research, 2020) · cited 29× · AI/ML

**Wikidata**: [openalex:W3011773336](https://www.wikidata.org/wiki/openalex:W3011773336)  
**Source**: https://4ort.xyz/entity/a-fast-hybrid-pll-with-an-adaptive-all-pass-filter-under-abnormal-grid-conditions