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首页> 外文会议>ICEMS2007;International conference on electrical machines and systems >Fault Current Limiting Method using a SFCL in a Neutral Line of a Three-Phase Power System
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Fault Current Limiting Method using a SFCL in a Neutral Line of a Three-Phase Power System

机译：三相电力系统中性线中使用SFCL的故障电流限制方法

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摘要

In this paper, we suggested the fault current limiting method using superconducting fault current limiter (SFCL) in a neutral line of a power system. Generally, the occurrence frequency of the single line-to-ground fault is highest among three-phase fault types in a power system. Therefore, since it can cover most of faults in a power system, this limiting method using one SFCL in a neutral line can be more profitable compared to the conventional method using three SFCLs in all three phases. To confirm the usefulness of the suggested method, the single lineto- ground fault experiments for the suggested method and the conventional one were performed. Through the comparison for the experimental results of two methods, it was shown that the suggested method was more advantageous from the viewpoint of the practical use and the coordination with other protective device in the power system.
机译：在本文中，我们提出了一种在电力系统中性线中使用超导故障限流器（SFCL）的故障限流方法。通常，在电力系统的三相故障类型中，单线接地故障的发生频率最高。因此，由于它可以覆盖电力系统中的大多数故障，因此与在所有三相中使用三个SFCL的常规方法相比，在中性线中使用一个SFCL的这种限制方法可以更具收益。为了确认所建议方法的有效性，对所建议方法和常规方法进行了单线接地故障实验。通过对两种方法的实验结果的比较表明，从实际应用和与电力系统中其他保护装置配合使用的角度来看，该方法更具优势。

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