Evaluation methodology for DC line fault clearance techniques in a point-to-point VSC-HVDC transmission system
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This thesis examines and compares various DC fault clearance methods that can be used for the VSC-HVDC transmission system, specifically in the context of a point-to-point VSC HVDC transmission system. The newest conceptual research, prototype development. and real implementations are described in depth through the literature review. An analytical evaluation methodology is developed to compare the performance, capability, losses, and cost of different DC fault clearing techniques. Finally, a comparative analysis is conducted to evaluate the DC fault clearing solution using a full-bridge modular multilevel converter and a half-bridge modular multilevel converter with DC breakers using PSCAD/EMTDC software.
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