# On Small Signal Frequency Stability under Virtual Inertia and the Role of PLLs

> Research article (Energies, 2018) · cited 30× · AI/ML

**Wikidata**: [openalex:W2890026506](https://www.wikidata.org/wiki/openalex:W2890026506)  
**Source**: https://4ort.xyz/entity/on-small-signal-frequency-stability-under-virtual-inertia-and-the-role-of-plls