A 1,100 MW offshore wind power VSC-HVDC grid integration project interconnects with the main grid via a ±400 kV MMC-based DC transmission system. For this project, Keliang Energy innovatively developed an integrated RT-LAB/HYPERSIM co-simulation platform, enabling full-capacity electromagnetic transient (EMT) modeling of 1,100 MW wind turbines and hardware-in-the-loop (HIL) testing for MMC control-protection systems. This solution achieves closed-loop validation of dynamic interactions between wind turbines and the VSC-HVDC system across operational scenarios, along with wideband control-protection coordination logic, delivering a full-stack HIL methodology for highly reliable far-offshore wind power transmission.