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Optimal power flow in multi-terminal HVDC networks with embedded high-power DC-DC converters for voltage matching and flexible DC transmission
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Institution of Engineering and Technology
, 2020 , Article)
High-power DC-DC converters are integrated into multi-terminal high-voltage DC (MTDC) networks, typically for voltage matching or flexible DC transmission. This study addresses droop-controlled radial and mesh MTDC networks ...
Hybrid Modular Multilevel Converter with Arm-Interchange Concept for Zero-/Low- Frequency Operation of AC Drives
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Article)
DC-AC Modular Multilevel Converter (MMC) is a promising candidate for high-power AC drive applications. The main challenge of operating the MMC in AC drive applications is its performance during low-frequency conditions, ...