ABSTRACT With the global energy transition advancing, large‐scale offshore wind power (LSOWP) is shifting toward deep‐sea and clustered development, constrained by transmission distance and capacity limitations of traditional AC systems, as well as high costs and fault vulnerability of high‐voltage DC transmission. This paper proposes a coordinated control strategy for low‐frequency (LF) networking based on the modular multilevel matrix converter (M3C) to enable stable multi‐terminal and multi‐farm integration of LSOWP. A mathematical model of the M3C topology and an equivalent wind farm voltage source converter (VSC) control framework are established to form a multi‐terminal LF networking system. A master–slave control strategy is adopted, incorporating a dynamic power reference allocation method for mutual power support and flexible regulation. A voltage margin controller generates coordination commands based on LF‐side voltage constraints, facilitating seamless master–slave switching and LSOWP power curtailment. For industrial‐frequency (IF) side low voltage dips, an auxiliary controller prioritizes dynamic reactive power support while maximizing active power transmission via farm‐level coordination coefficients, ensuring submodule capacitor voltage stability. Simulations in PSCAD/EMTDC validate that the proposed strategy enhances power allocation efficiency, system stability, and fault tolerance under dynamic responses, master–slave faults, and low voltage dip scenarios.
Shi et al. (Thu,) studied this question.