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Stability Enhancement of Grid-Connected Wind Power Generation System Using PSS, SFCL and STATCOM

Abstract

The stability related issues may occur in a power system due to disturbances in generating or loading conditions, especially in the presence of distributed generation (DG) based on renewable energy resources (RERs). This paper proposes a novel strategy for the stability enhancement of a wind power generation system (WPGS) by using a combination of three devices, namely, a power system stabilizer (PSS), resistive superconductor fault current limiter (R-SFCL) and static synchronous compensator (STATCOM). The small signal (SS) stability of the test system is enhanced by selecting the best PSS type from the different types of PSS. An R-SFCL is used for improving the rotor angle and the frequency stability of the test system. Two indices, namely, transient stability index and sum of maximum deviations (SMD) index are introduced for determining the optimal locations of different sized R-SFCLs for increasing the rotor angle stability. The sensitivity index (SI) based on the power change between areas is applied for determining the optimal locations of different sized R-SFCLs for enhancing the frequency stability. Along with rotor angle and frequency stability, LVRT capability improvement of the wind farm using STATCOM is also considered. Finally, the combined effect of R-SFCL and STATCOM on the rotor angle and the frequency stability, for different fault locations, is also investigated for determining the optimal location of an R-SFCL in the presence of STATCOM. The results presented in the paper show that STATCOM affects both the number of feasible locations and the optimal locations that can be selected for different sized R-SFCLs for augmenting the rotor angle and the frequency stability of the system during faults. Moreover, it is pointed out that an optimal combination between the different sizes and the locations of R-SFCLs and STATCOM exists to enhance the overall stability of the test system under fault conditions.

Citations

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Keywords

Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
IEEE Access no. 11, pages 30832 - 30844,
ISSN: 2169-3536
Language:
English
Publication year:
2023
Bibliographic description:
Sarwar M., Arshed M., Hussain B., Rasheed M., Tariq H., Czapp S., Tariq S., Sajjad I. A.: Stability Enhancement of Grid-Connected Wind Power Generation System Using PSS, SFCL and STATCOM// IEEE Access -Vol. 11, (2023), s.30832-30844
DOI:
Digital Object Identifier (open in new tab) 10.1109/access.2023.3262172
Sources of funding:
  • COST_FREE
Verified by:
Gdańsk University of Technology

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