Comparison of Superconducting Fault Current Limiter and Dynamic Voltage Restorer for LVRT Improvement of High Penetration Microgrid

被引：43

作者：

Chen, Lei ^{[1
]}

Chen, Hongkun ^{[1
]}

Yang, Jun ^{[1
]}

Zhu, Lin ^{[2
]}

Tang, Yi ^{[3
]}

Koh, Leong Hai ^{[3
]}

Xu, Ying ^{[4
]}

Zhang, Chi ^{[4
]}

Liao, Yuxiang ^{[4
]}

Ren, Li ^{[4
]}

机构：

[1] Wuhan Univ, Sch Elect Engn, Wuhan 430072, Peoples R China

[2] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA

[3] Nanyang Technol Univ, Energy Res Inst, Singapore 639798, Singapore

[4] Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2017年 / 27卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Dynamic voltage restorer (DVR); low-voltage ride-through (LVRT); micro-grid; superconducting fault current limiter (SFCL); techno-economic; RIDE-THROUGH CAPABILITY; DFIG; ENHANCEMENT; PERFORMANCE; SYSTEM;

D O I：

10.1109/TASC.2017.2656624

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

For a high penetration microgrid, improving its low voltage ride-through (LVRT) capability under some minor or temporary faults can contribute to reinforcing power support and reducing network instability. In this paper, the comparison of a superconducting fault current limiter (SFCL) and a dynamic voltage restorer (DVR) for LVRT capability enhancement of a 10-kV microgrid is conducted. Concerning the microgrid which includes distributed photovoltaic generation, energy storage and loads, the effects of the SFCL and the DVR are compared in detail, and related theoretical analysis, simulation study, and economical evaluation are carried out. From the demonstrated results, the suggested two devices can both assist the microgrid to achieve the LVRT operation, but the economics of the DVR are weaker than the SFCL. Moreover, compared to the DVR, the SFCL enables the energy storage unit to offer better control effects in power stabilization. From technical and economic perspectives, the SFCL is a more preferable choice than the DVR.

引用

页数：7

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