Dynamic experiment for the magnetothermal stability of a 110 kV/3 kA cold dielectric high-temperature superconducting cable with an impact of fault current in power system

Jiahui Zhu, Xiaodong Zheng, Wei Liu, Panpan Chen, Zhenming Li, Hongjie Zhang, Ming Qiu, Wenjiang Yang, Shuangquan Rao, Shanshan Fu, Erwei Liu, Hongwei Liu, Weijia Yuan, Jin Fang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Since higherature superconducting (HTS) cables have attracted significant attention for their low losses (30% of normal power cable), large capacity, and small size, they can be used for electric power transmission for efficient use of energy in power systems. However, they are often subjected to overcurrent impact caused by a short-circuit fault when they are used in a transmission system. In this overcurrent impact, a large amount of Joule heat is generated, which can damage the stability of HTS cables and influence the efficiency of power transmission. A dynamic experimental test of a 110 kV/3 kA prototype HTS cable under a fault current impact has been carried out by China Electric Power Research Institute. A magnetothermal stability experimental system with a pulsed current power source (25 kA for 0-1 s) and a high-precision National Instruments digital data acquisition system have been set up. The transient current and temperature of each superconducting layer in the HTS cable have been tested and investigated considering the overcurrent impact of 25 kA for 1 s. Numerical simulations were also performed on the prototype cable using a computer program on the basis of a finite-element method and an electrical circuit model. The results have shown that the currents of the conducting layers decrease while the temperature increases in the HTS cable, and the former can withstand most of the fault current. Therefore, the proposed experimental system is proved to be effective for testing HTS cables with overcurrent impact.

LanguageEnglish
Article number7400973
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume26
Issue number4
DOIs
Publication statusPublished - 30 Jun 2016

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Superconducting cables
Electric fault currents
cables
Experiments
Temperature
Cables
Digital instruments
Electric power transmission
electric power transmission
prototypes
Power transmission
Short circuit currents
digital data
power transmission
Computer program listings
Data acquisition
short circuits
electric power
data acquisition
Finite element method

Keywords

  • high temperature superconducting (HTS) cable
  • magneto-thermal characteristics
  • National Instruments Data Acquisition (DAQ)
  • over-current impact
  • stability
  • testing

Cite this

Zhu, Jiahui ; Zheng, Xiaodong ; Liu, Wei ; Chen, Panpan ; Li, Zhenming ; Zhang, Hongjie ; Qiu, Ming ; Yang, Wenjiang ; Rao, Shuangquan ; Fu, Shanshan ; Liu, Erwei ; Liu, Hongwei ; Yuan, Weijia ; Fang, Jin. / Dynamic experiment for the magnetothermal stability of a 110 kV/3 kA cold dielectric high-temperature superconducting cable with an impact of fault current in power system. In: IEEE Transactions on Applied Superconductivity. 2016 ; Vol. 26, No. 4.
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Dynamic experiment for the magnetothermal stability of a 110 kV/3 kA cold dielectric high-temperature superconducting cable with an impact of fault current in power system. / Zhu, Jiahui; Zheng, Xiaodong; Liu, Wei; Chen, Panpan; Li, Zhenming; Zhang, Hongjie; Qiu, Ming; Yang, Wenjiang; Rao, Shuangquan; Fu, Shanshan; Liu, Erwei; Liu, Hongwei; Yuan, Weijia; Fang, Jin.

In: IEEE Transactions on Applied Superconductivity, Vol. 26, No. 4, 7400973, 30.06.2016.

Research output: Contribution to journalArticle

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T1 - Dynamic experiment for the magnetothermal stability of a 110 kV/3 kA cold dielectric high-temperature superconducting cable with an impact of fault current in power system

AU - Zhu, Jiahui

AU - Zheng, Xiaodong

AU - Liu, Wei

AU - Chen, Panpan

AU - Li, Zhenming

AU - Zhang, Hongjie

AU - Qiu, Ming

AU - Yang, Wenjiang

AU - Rao, Shuangquan

AU - Fu, Shanshan

AU - Liu, Erwei

AU - Liu, Hongwei

AU - Yuan, Weijia

AU - Fang, Jin

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AB - Since higherature superconducting (HTS) cables have attracted significant attention for their low losses (30% of normal power cable), large capacity, and small size, they can be used for electric power transmission for efficient use of energy in power systems. However, they are often subjected to overcurrent impact caused by a short-circuit fault when they are used in a transmission system. In this overcurrent impact, a large amount of Joule heat is generated, which can damage the stability of HTS cables and influence the efficiency of power transmission. A dynamic experimental test of a 110 kV/3 kA prototype HTS cable under a fault current impact has been carried out by China Electric Power Research Institute. A magnetothermal stability experimental system with a pulsed current power source (25 kA for 0-1 s) and a high-precision National Instruments digital data acquisition system have been set up. The transient current and temperature of each superconducting layer in the HTS cable have been tested and investigated considering the overcurrent impact of 25 kA for 1 s. Numerical simulations were also performed on the prototype cable using a computer program on the basis of a finite-element method and an electrical circuit model. The results have shown that the currents of the conducting layers decrease while the temperature increases in the HTS cable, and the former can withstand most of the fault current. Therefore, the proposed experimental system is proved to be effective for testing HTS cables with overcurrent impact.

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DO - 10.1109/TASC.2016.2527040

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