VSC converters are becoming more prevalent for HVDC applications. Two circuits are commercially available at present, a traditional six-switch, PWM inverter, implemented using series connected IGBTs - ABBs HVDC Light®, and the other a modular multi-level converter (MMC) - Siemens HVDC-PLUS. This paper presents an alternative MMC topology, which utilises a novel current injection technique, and exhibits several desirable characteristics.
|IET Conference Publications
| 9th IET International Conference on AC and DC Power Transmission
|19/10/10 → 21/10/10
- switching convertors
- HVDC power convertors
- PWM invertors
- insulated gate bipolar transistors