Flexible Power Transmission Systems Based on Cascaded Submodule Converters

Characteristics and Applications of Flexible Transmission Technology Based on Cascaded-Submodule Converters.- Working Principle of MMC Basic Units.- Main Circuit Parameter Design and Loss Calculation of MMC.- Synchronization Control Method between Voltage Source Converters and AC Power Grid.- Control Strategies for MMC-HVDC Transmission Systems.- Submodule Capacitor Voltage Control Strategies Under Four Typical Operating Modes of MMC.- Analysis of AC/DC Fault Characteristics and DC-Side Fault Self-Clearing Principle of MMC.- MMC-HVDC Systems for Overhead Line Power Transmission.- MMC-HVDC Transmission Systems for Large-Scale Renewable Energy Base Power Delivery.- Typical Schemes for Offshore Wind Power Transmission and Application of MMC.- Control Principles and Fault Handling Methods of MMC-based DC Grids.- Basic Principles and Implementation Methods of High Voltage Direct Current Circuit Breakers.- All-DC Collection and Transmission System for Large-Scale New Energy Bases.- Principles and Applications of MMC-Based Versatile Static Synchronous Machine.