Abstract: The use of VSC-HVDC transmission projects in offshore wind power in China has achieved engineering application. In the offshore wind power VSC-HVDC Transmission Project, there are multiple power monitoring automation systems such as converter stations, AC booster stations, and wind farms, which are relatively dispersed in operation and maintenance and have low efficiency. Applying an integrated monitoring system to the onshore converter station (centralized control center) to unify the access and management of various systems. As the main monitoring platform for operators, the integrated monitoring system can simplify the difficulty of operation and maintenance work and improve work efficiency.