Abstract
Offshore wind farms are becoming an attractive solution for wind power in many developed countries. The voltage source converter (VSC) based multi-terminal high voltage direct current (MTDC) transmission system is an attractive technical option to integrate these offshore wind farms with the onshore grid due to its unique performance characteristics and reduced power loss via extruded DC cables. In this paper, an adaptive neuro fuzzy inference system (ANFIS) based coordinated control design has been addressed for MTDC system in order to enhance the reliability and to balance the power. A four terminal VSC-MTDC system which consists of an offshore wind farm and oil platform is implemented in MALAB/SimPower Systems software. The proposed model is tested under different fault scenarios and simulation results show that the novel coordinated control design has great dynamic stabilities and also the VSC-MTDC system can supply Ac voltage of good quality to offshore loads during the disturbances.
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