# A Fast and Intelligent Open-Circuit Fault Diagnosis Method for a Five-Level NNPP Converter Based on an Improved Feature Extraction and Selection Model

> Research article (IEEE Access, 2020) · cited 21× · AI/ML

**Wikidata**: [openalex:W3011717854](https://www.wikidata.org/wiki/openalex:W3011717854)  
**Source**: https://4ort.xyz/entity/a-fast-and-intelligent-open-circuit-fault-diagnosis-method-for-a-five-level-nnpp-converter-based-on-an-improved-feature-