Mohammad Hasanuzzaman Shawon, Subarto Kumar Ghosh, Ashifur Rahman

An Integrated Topology of Hybrid Marine Farm & Wind Farm

Abstract- Renewable energy has been playing an important role to meet power demand and ‘Green Energy’ market is getting bigger platform all over the world in the last few years. In order to meet the increasing demand of electricity and power, integration of renewable energy is getting highest priorities around the world. Wind is one of the most top growing renewable energy resources and it is the most environmental friendly, cost effective and safe among all renewable energy resources available. Another promising form of renewable energy is ocean energy which covers 70 % of the earth. Offshore Wind farm` (OWF) has already become very popular for large scale wind power integration with the onshore grid. Recently, marine current farm (MCF) is also showing good potential to become mainstream energy sources and already successfully commissioned in United Kingdom. An integration of wind and tidal energy represents a new-trend for large electric energy production using offshore wind generators and marine current generators, respectively. This work first focuses on the modeling of fixed speed IG based marine current farm and variable speed DFIG based wind farm. Detailed modeling and control scheme for the proposed system are demonstrated considering some realistic scenarios. The power system small signal stability analysis is also carried out by eigenvalue analysis for marine current generator topology, wind turbine generator topology and integrated topology. The relation between the modes and state variables are discussed in light of modal and sensitivity analyses. The results of theoretical analyses are verified by MATLAB/SIMULINK.

Keywords:

Renewable energy; wind energy; tidal energy; small signal stability,

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