# A Harmonic Resonance Suppression Strategy for a High-Speed Railway Traction Power Supply System with a SHE-PWM Four-Quadrant Converter Based on Active-Set Secondary Optimization

> Research article (Energies, 2017) · cited 21× · AI/ML

**Wikidata**: [openalex:W2761735064](https://www.wikidata.org/wiki/openalex:W2761735064)  
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