Application of Optimized SFCL and STATCOM for the Transient Stability and LVRT Capability Enhancement of Wind Farms

DOI®: doi.org/10.21276/ijre.2018.5.6.1

CITATION: Atuwo, T. (2018). Application of Optimized SFCL and STATCOM for the Transient Stability and LVRT Capability Enhancement of Wind Farms. International Journal Of Research And Engineering, 5(6), 422-429. doi:10.21276/ijre.2018.5.6.1

Author(s): 1Tamaraebi Atuwo

Affiliation(s)1Industrial Engineering, Lamar University, Beaumont, USA

Abstract:

In this paper, the combined superconducting fault current limiter (SFCL) and STATCOM are used to improve transient stability and low-voltage ride-through (LVRT) capability of the wind turbine generation system (WTGS). The SFCL absorbs the accelerating energy of the generator, and therefore, improves the WTGS transient stability. Also, STATCOM helps the restore connecting point voltage to improve LVRT capability by reactive power compensation (RPC) after fault clearing. The optimization problem of SFCL resistance and STATCOM capacity is formulated based on the transient stability and LVRT capability of WTGS. The Simulation study shows the superior improving LVRT capability of combined SFCL and STATCOM over individual SFCL or STATCOM. Also, the required capacity of STATCOM for RPC is significantly reduced. PSCAD/EMTDC software (V4.2) is used for simulation.
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