OFFSHORE WIND ENERGY CONNECTED TO HVDC SYSTEM, VSC CONTROL (REVIEW PAPER)

Authors

  • Ahsan Zafar City University, Peshawar, Pakistan

DOI:

https://doi.org/10.33959/cuijca.v3i1.7

Abstract

This paper presents a technical and economic analysis to evaluate the benefits and drawbacks of grid connecting offshore wind farms through a dc link. A first case, concerning a 100-MW wind farm, is thoroughly investigated and cases of larger wind farms (200 and 500 MW) are presented. Three different transmission solutions are compared: 150-kV ac, 400-kV ac, and high voltage dc based on voltage sourced converters (VSC-HVDC). After a brief overview of the features of these connection solutions, the related operational aspects are evaluated. An economic assessment compares the dc connection option to the ac alternatives, taking into account the investment, operation, and maintenance costs, and the negative valorization of losses and energy not supplied. Economic assessment includes sensitivity analyses of parameters, which could impact the 100-MW wind farm: distance, component costs, dc converter reliability, and dc converter losses.

 

Index Terms—DC power transmission, interconnected power

systems, power cables, power transmission economics, wind power

generation.

Author Biography

Ahsan Zafar, City University, Peshawar, Pakistan

Lab Engineer at Department of Electrical Engineering at City University, Peshawar, Pakistan

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Published

2019-11-12

How to Cite

Zafar, A. (2019). OFFSHORE WIND ENERGY CONNECTED TO HVDC SYSTEM, VSC CONTROL (REVIEW PAPER). City University International Journal of Computational Analysis, 3(1), 29–40. https://doi.org/10.33959/cuijca.v3i1.7

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