Multi‐vendor interoperable HVDC grid protection is key to build large‐scale HVDC grids in a
step‐by‐step manner. On the one hand, various protection strategies and technologies have …

Modular Multilevel Converter based High Voltage Direct Current (MMC-HVDC) connected
with offshore wind farms could suffer serious challenge: surplus power of MMC-HVDC …

The active distribution networks have a tendency to develop toward hybrid ac–dc systems
constructed by power electronics, the magnitude and direction of power may change …

Bidirectional fault issue is common and serious in HVdc system and it cannot be handled by
unidirectional fault current limiter (FCL). The novel contribution of this article is that it …

This paper proposes a joint limiting control strategy for suppressing DC fault current and arm
current in modular multilevel converter-based high-voltage direct current (MMC-HVDC) …

This article proposes a novel fault-tolerant strategy for the operation of modular multilevel
converters after submodule (SM) faults, which combines dc injection, neutral shift (NS), and …

Offshore wind power through flexible dc transmission system faces the challenge of
comprehensively improving the transient and steady-state performance. However, existing …

The large current limiting reactor (CLR) and DC circuit breaker (DCCB) are required in the
half-bridge modular multilevel converter (HB-MMC) project to isolate the DC fault. To limit …

The Modular Multilevel Converter based High Voltage Direct Current Transmission (MMC-
HVDC) systems can provide active inertia support for the connected ac grid for fast …

In a modular multilevel converter (MMC), the dc side fault current is characterized by a fast-
rising rate and high peak values. To address this problem, an adaptive current-limiting …