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Optimal application research of superconducting fault current limiters on medium voltage direct current shipboard power system

  • 0School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
Scientific Reports +

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April 25, 2025

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April 25, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

This study introduces a hybrid superconducting fault current limiter (H-SFCL) for medium voltage direct current shipboard power systems (MVDC SPS). It offers an optimized solution to mitigate short-circuit faults, enhancing system reliability and safety.

Area Of Science

  • Electrical Engineering
  • Materials Science
  • Power Systems

Background

  • Medium voltage direct current shipboard power systems (MVDC SPS) are crucial for future naval applications.
  • Short-circuit faults represent a significant challenge to the reliable operation of MVDC SPS.
  • Existing protection methods may not adequately address the unique demands of MVDC SPS.

Purpose Of The Study

  • To present a novel protection method for MVDC SPS using a hybrid superconducting fault current limiter (H-SFCL).
  • To analyze the performance and optimal allocation of H-SFCL within MVDC SPS.
  • To develop a multi-objective optimization strategy for H-SFCL configuration and circuit breaker coordination.

Main Methods

  • Introduction of the topology and working principle of H-SFCL.
  • Evaluation of H-SFCL current-limiting performance through small-scale prototype experiments.
  • Development and application of a novel three-objective optimization method for H-SFCL allocation and circuit breaker (CB) breaking time.

Main Results

  • Demonstration of H-SFCL's effectiveness in limiting fault currents in MVDC SPS.
  • Analysis of the current-limiting process for both common SFCLs and H-SFCLs.
  • Successful optimization of H-SFCL placement and CB breaking times using the proposed three-objective model.

Conclusions

  • H-SFCL is a viable and effective solution for protecting MVDC SPS against short-circuit faults.
  • The proposed three-objective optimization method provides an efficient approach for configuring protection systems in MVDC SPS.
  • This research contributes to the advancement of reliable and resilient power systems for naval applications.

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