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Performance Analysis of Hybrid HVDC Transmission Systems for Connecting Offshore Wind Farm to Onshore Grid

Ann Maria Isaac, K Rathi

This paper presents the performance analysis of DFIG based off shore wind farm feeding to large power system through a hybrid HVDC link. The hybrid HVDC link consists of a line commutated converter based inverter and voltage source converter based rectifier. The active and reactive power of off shore station is controlled using voltage source converter based rectifier controller and the dc line voltage is maintained constant at line commutated inverter station control. The hybrid HVDC transmission system gives many advantages over conventional HVDC transmission systems. Time domain method based on non linear model simulation using MATLAB is performed to analyze the performance of the studied system