# Fundamental-Frequency Reactive Circulating Current Injection for Capacitor Voltage Balancing in Hybrid-MMC HVDC Systems During Riding Through PTG Faults

> Research article (IEEE Transactions on Power Delivery, 2017) · cited 41× · AI/ML

**Wikidata**: [openalex:W2759381529](https://www.wikidata.org/wiki/openalex:W2759381529)  
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