A DC-operating resistive-type superconducting fault current limiter for AC applications
A DC-operating resistive-type superconducting fault current limiter for AC applications
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DOI：
10.1088/0953-2048/22/4/045002
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发表时间：
2009-04
影响因子：
3.6
通讯作者：
A. Morandi;S. Imparato
中科院分区：
文献类型：
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作者：
A. Morandi;S. Imparato
研究了一种基于阻性和整流概念的新型超导故障限流器的可行性。建议SFCL作为一个电阻型的限制阶段，而在正常工作条件下，它作为一个整流器，从而避免真正的交流电流和相关的交流损耗的超导体。的直流操作的连续型SFCL（在短直流电阻SFCL）的概念进行说明和设备的设计参数导出参考的实际应用的分布电压水平。的整流桥的设计，通过市售的离散二极管和估计的总功耗，由于这些组件进行。最后，讨论了利用现有超导体（包括1G和2G高温超导体以及MgB_2）实现直流阻性超导限流器的可行性，并与传统的交流阻性超导限流器进行了比较。
The feasibility of a novel type of superconducting fault current limiter (SFCL) based on the synergy of the resistive and the rectifier concept is investigated. The proposed SFCL acts as a resistive type in the limiting phase whereas in normal operating conditions it operates as a rectifier, thus avoiding true AC currents and related AC losses in the superconductor. The concept of a DC-operating resistive-type SFCL (in short a DC resistive SFCL) is illustrated and the design parameters of the device are derived with reference to a practical application to the distribution voltage level. The design of the rectifier bridge by means of commercially available discrete diodes and the estimation of the total power consumption due to these components is carried out. Finally, the feasibility of the DC resistive SFCL by means of present state of the art superconductors (including 1 and 2 G high temperature superconductors as well as MgB2) is discussed, and a comparison with the conventional AC resistive concept is given.