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Journal articles on the topic 'Superconducting cable'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Lee, Seok-Ju, Hae-Jin Sung, Minwon Park, DuYean Won, Jaeun Yoo, and Hyung Suk Yang. "Analysis of the Temperature Characteristics of Three-Phase Coaxial Superconducting Power Cable according to a Liquid Nitrogen Circulation Method for Real-Grid Application in Korea." Energies 12, no. 9 (May 8, 2019): 1740. http://dx.doi.org/10.3390/en12091740.

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Large-capacity superconducting power cables are in the spotlight to replace existing underground transmission power cables for energy power transmission. Among them, the three-phase coaxial superconducting power cable has the economic advantage of reducing the superconducting shielding layer by enabling magnetic shielding when the three phases are homogeneous without an independent superconducting shielding layer for magnetic shielding. In order to develop the three-phase coaxial superconducting power cable, the electrical and structural design should be carried out to construct the superconducting layer. However, the thermal design and analysis for the cooling of the three-phase coaxial superconducting power cable must be done first, so that the electrical design can be made using the temperature transferred to the superconducting layer. The three-phase coaxial superconducting cable requires a cooling system to circulate the cryogenic refrigerant for cooling below a certain temperature, and the structure of the cable through which the cryogenic refrigerant travels must also be analyzed. In this paper, the authors conducted a longitudinal temperature analysis according to the structure of the refrigerant circulation system of the cable and proposed a refrigerant circulation system suitable for this development. The temperature profile according to this analysis was then used as a function of temperature for the electrical (superconducting and insulating layers) design of the three-phase coaxial superconducting power cable. It is also expected to be used to analyze the cooling structure of the three-phase coaxial superconducting power cable installed in the real grid system.

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2

SOSNOWSKI, Jacek. "SUPERCONDUCTING CABLES – ANALYSIS OF THEIR OPERATION AND APPLICATIONS IN ELECTRIC GRIDS." Proceedings of Electrotechnical Institute 63 (December 15, 2016): 89–96. http://dx.doi.org/10.5604/01.3001.0009.4425.

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In this paper the use of high temperature superconducting cables for transporting electrical energy is analysed. The construction of a short model of a superconducting cable is explained, global progress in this field is examined and related electromagnetic phenomena are discussed, particularly those concerning pinning potential barrier formation. The paper analyses the results of investigations into the current-voltage characteristics of superconducting cable model working in the temperature of liquid nitrogen, allowing to reach the value of critical current equal to 45 A.

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3

Lee, Seok-Ju, Seong Yeol Kang, Minwon Park, DuYean Won, Jaeun Yoo, and Hyung Suk Yang. "Performance Analysis of Real-Scale 23 kV/60 MVA Class Tri-Axial HTS Power Cable for Real-Grid Application in Korea." Energies 13, no. 8 (April 20, 2020): 2053. http://dx.doi.org/10.3390/en13082053.

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Currently, various types of superconducting power cables are being developed worldwide, and research and development of a tri-axial high-temperature superconducting (HTS) power cable are underway. The tri-axial HTS power cable reduces the amount of HTS wire due to its multilayer structure, has high current characteristics, and has less loss than other superconducting cables. However, since the radii of each phase are different, magnetic coupling makes it difficult to measure power loss and analyze performance. This paper presents the results of the design and performance analysis of a tri-axial HTS power cable. A prototype tri-axial HTS power cable was designed with a rated power of 60 MVA, a rated voltage of 23 kV and a length of 6 m, and was tested by cooling to 77 K with liquid nitrogen. We analyzed the performance of the tri-axial HTS power cable in normal conditions through a finite element method (FEM) simulation and experiment. The alternating current (AC) loss of the tri-axial HTS power cable was calculated using a FEM program based on the Maxwell equation, and the result was used to confirm the AC loss of the tri-axial HTS power cable prototype measured by the electrical measurement method. In conclusion, in the current test of a tri-axial HTS cable designed as 23 kV/60 MVA, the DC critical current was over 6000 A, the AC loss was approximately 0.24 W/m, and the simulation and analysis design values were satisfied. The results of this study will be effectively applied to commercial tri-axial HTS power cable development to be installed in a real power system. This means that the actual tri-axial HTS cable has sufficient capacity for rated current operation in the system where it will be applied, and the actual measurement of the cable loss can be applied as an important factor in the design of the cooling capacity of the entire superconducting cable, which consists of several kilometers.

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4

OHYA, Masayoshi, and Masashi YAGI. "Superconducting Power Cable." Journal of The Institute of Electrical Engineers of Japan 134, no. 8 (2014): 549–52. http://dx.doi.org/10.1541/ieejjournal.134.549.

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5

WANG, WENMING. "PREPARATION OF SICP/6066AL COMPOSITE AS SHEATH OF HIGH-TC SUPERCONDUCTING CABLE FOR TRANSMITTING ELECTRICITY." International Journal of Modern Physics B 19, no. 01n03 (January 30, 2005): 655–57. http://dx.doi.org/10.1142/s0217979205029250.

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High- T C Superconducting Cable for transmitting electricity will scale up application extension before long. Superconducting Cable consists of cable core made up of superconducting material and cladding argentine and structure-functional material complying with cable requirement for transmitting electricity. As a kind of composite with high tensile strength, high elastic module, moderate elongation and high heat-exchange, low thermal expansion, SiCp /6066 Al composite will have extensive application as sheath of high- T C superconducting cable for transmitting electricity. Thus the advance in high- T C superconducting cable has been referred .The detailed experiment on preparation of SiCp /6066 Al composite as sheath of high- T C superconducting cable for transmitting electricity by new-style powder metallurgy technology—sheathed hot extrusion. Mechanical, damping and thermal characteristics have been tested. Even microstructure and clean interface between SiCp and Al alloy matrix have been found via OM, SEM, TEM, etc. The authors explained internal relations between characteristics and microstructure. The characteristics of the composite reach to established characteristic requirement for high- T C superconducting cable for transmitting electricity.

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6

Herbelot, O., M. M. Steeves, and M. O. Hoenig. "Superconducting cable joint resistance." IEEE Transactions on Magnetics 27, no. 2 (March 1991): 1850–53. http://dx.doi.org/10.1109/20.133556.

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7

Zarubin, V. S., G. N. Kuvyrkin, and I. Yu Savelyeva. "Temperature State of the Electrical Insulation Layer of a Superconducting DC Cable with Double-Sided Cooling." Herald of the Bauman Moscow State Technical University. Series Natural Sciences, no. 4 (97) (August 2021): 71–85. http://dx.doi.org/10.18698/1812-3368-2021-4-71-85.

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For the reliable operation of a high-voltage DC cable with high-temperature superconducting current-carrying conductors with a sufficiently high difference in electrical potentials, it is necessary to maintain a fixed temperature state not only of the conductors but also of other cable elements, including the electrical insulation layer. In this layer, despite the high electrical resistivity of its material, which can be polymer dielectrics, Joule heat is released. The purpose of this study was to build a mathematical model that describes the temperature state of an electrical insulation layer made in the form of a long hollow circular cylinder, on the surfaces of which a constant potential difference of the electric field is set. Within the study, we consider an alternative design of a cable with central and external annular channels for cooling liquid nitrogen. Using a mathematical model, we obtained integral relations that connect the parameters of the temperature state of this layer, the conditions of heat transfer on its surfaces, and the temperature-dependent coefficient of thermal conductivity and electrical resistivity of an electrical insulating material with a given difference in electrical potentials. A quantitative analysis of integral relations is carried out as applied to the layer of electrical insulation of the superconducting cable. The results of the analysis make it possible to assess the possibilities of using specific electrical insulating materials in cooled high-voltage DC cables under design, including superconducting cables cooled with liquid nitrogen

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8

Iluk, Artur. "Investigation of Mechanical Strains in Thermal Compensation Loop of Superconducting NbTi Cable during Bending and Cyclic Operation." Materials 14, no. 5 (February 26, 2021): 1097. http://dx.doi.org/10.3390/ma14051097.

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In the paper, the thermal compensation loops on a composite, superconducting NbTi cable were investigated. This type of cable is used in the superconducting, fast ramping magnets of the SIS100 synchrotron, part of the Facility for Antiproton and Ion Research (FAIR) under construction in Darmstadt, Germany. The influence of space restrictions and electromagnetic cross-talk on the design of the thermal compensation loop was discussed. Plastic deformation of cable components during bending was analyzed by numerical simulations and experiments. A three-dimensional numerical model of the cable was prepared with individual superconducting wires in contact with a central cooling pipe. The bending of a straight cable into a compensation loop shape was simulated, followed by cyclic operation of the cable during thermal cycles. The maximum strains in the superconducting strands and cooling tube were analyzed and discussed.

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9

Mukoyama, S., M. Yagi, N. Kashima, Yutaka Yamada, and Yuh Shiohara. "Development of an HTS Power Cable Based on YBCO Tapes." Advances in Science and Technology 47 (October 2006): 220–27. http://dx.doi.org/10.4028/www.scientific.net/ast.47.220.

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Many technical problems need to be developed in order that a high temperature superconducting (HTS) cable will use in a real power network. A second-generation HTS tape (YBCO coated conductor) has potential of making its AC loss lower than that of a BSCCO tape because the superconducting layer of a YBCO tape is thinner than that of a BSCCO tape. Moreover, cost of a YBCO tape will become less than that of a BSCCO tape in future because quantity consumed of costly component (such as silver) in a YBCO tape is less than that in a BSCCO tape. Considering these, an HTS power cable that using YBCO tapes will become an economical choice compared with a conventional XLPE cable or a BSCCO HTS cable. HTS power cables using YBCO tapes have been developed in the Japanese national projects. HTS conductors were fabricated by Furukawa and YBCO tapes were manufactured by ISTEC SRL and Chubu Electrical Power Company, and these properties were measured.

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10

Roy, Sree Shankhachur, Prasad Potluri, Simon Canfer, and George Ellwood. "Braiding ultrathin layer for insulation of superconducting Rutherford cables." Journal of Industrial Textiles 48, no. 5 (July 26, 2016): 827–47. http://dx.doi.org/10.1177/1528083716661204.

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Over-braiding of superconducting Rutherford cable was used for the composite insulation in this research. Braiding was a suitable alternative to fabric tape winding for achieving ultrathin insulation with required electrical breakdown voltage. A brief overview of the superconducting magnets, their application and requirements of insulation has been covered in order to bridge the literature gap between braiding and the superconducting magnet field of studies. Organic size coating on the fibre leaves carbon residue during high temperature treatment of the cables and hence glass fibre was desized before braiding. Braiding difficulties with desized glass fibre and possibility of braiding using compatible size coating have been discussed. The requirement of ultrathin braided layer was achieved with sufficient surface coverage with a suitable braid angle and fibre. As part of the study, braid cover factor variation on the surface of the cable was investigated and it was discussed using image analysis.

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11

Voccio, J. P., P. C. Michael, L. Bromberg, and S. Hahn. "Solid-cryogen-stabilized, cable-in-conduit (CIC) superconducting cables." IOP Conference Series: Materials Science and Engineering 101 (December 18, 2015): 012120. http://dx.doi.org/10.1088/1757-899x/101/1/012120.

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12

Choi, Youngjun, Dongmin Kim, Changhyung Lee, Duyeon Won, Jaeun Yoo, Hyungsuk Yang, and Seokho Kim. "Thermo-Hydraulic Analysis of a Tri-Axial High-Temperature Superconducting Power Cable with Respect to Installation Site Geography." Energies 13, no. 15 (July 30, 2020): 3898. http://dx.doi.org/10.3390/en13153898.

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Various high-temperature superconducting (HTS) power cables are being developed or are ready for commercial operation to help energy suppliers meet the growing power demand in urban areas. Recently, triaxial HTS power cables have been developed by Korea Electric Power Corporation (KEPCO) and LS Cable & System. Further, KEPCO has been planning to install a 2 km long 23 kV/60 MVA triaxial HTS power cable to connect the Munsan and Seonyu substations and increase the stability of the power grid. The HTS power cables should be cooled down to a cryogenic temperature near 77 K. A thermo-hydraulic analysis of the cooling system considering the geographical characteristics of the installation site is essential for long-distance sections. This paper describes the thermo-hydraulic analysis of the triaxial HTS power cable to determine the proper mass flow rates of subcooled liquid nitrogen that meet the operating temperature and pressure of the cable for four configurations of cooling systems: (1) a single cooling system with an external return path, (2) a dual cooling system with an external return path, (3) a single cooling system with an internal return path, and (4) a dual cooling system with internal return path. Since the flow characteristics in a corrugated cable cryostat differ significantly from those in a typical annular tube, a computational fluid dynamics (CFD) analysis was conducted to estimate the pressure drop along the cable cryostat. With the CFD analysis and given heat loads in the cable, the temperature and the pressure variations along the cable were calculated and their pros and cons were compared for each configuration of the cooling system. This thermo-hydraulic analysis will be referenced in the actual installation of the HTS power cable between the Munsan and Seonyu substations.

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13

THAYER, ANN. "Superconducting cable achieves high current." Chemical & Engineering News 71, no. 49 (December 6, 1993): 7. http://dx.doi.org/10.1021/cen-v071n049.p007a.

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14

Ilgamov, M. A., and R. A. Ratrout. "Large deflection of superconducting cable." International Journal of Non-Linear Mechanics 34, no. 5 (September 1999): 869–80. http://dx.doi.org/10.1016/s0020-7462(98)00059-6.

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15

Nikulin, A. D., B. V. Jakovlev, E. I. Plashkin, E. V. Nikulenkov, T. A. Morozova, G. K. Zelenskiy, L. V. Potanina, et al. "Superconducting 180 kA NbTi cable." IEEE Transactions on Applied Superconductivity 5, no. 2 (June 1995): 889–92. http://dx.doi.org/10.1109/77.402691.

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16

Teng, Yu Ping, Shao Tao Dai, Li Ye Xiao, Dong Zhang, and Bing Song Cheng. "The Electric Field Analysis of the Warm Dielectric HTS Power Cable." Applied Mechanics and Materials 347-350 (August 2013): 1276–82. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.1276.

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The 75 m/1.5 kA AC high-temperature superconducting cable(75 m HTS cable) and the 360 m/10 kA DC HTS power cable (10 kA HTS cable), which are supported by Chinese State 863 projects, are both of the demonstration projects facing to industrialization application. The characteristic in structure of warm dielectric (WD) insulated HTS cable is introduced. The electric field distribution characteristic at the cryogenic envelope body, the end-point of metallic shield layer at the end of the HTS cable and the connection sections are analyzed; the controlling method for electric field stress is introduced; there is serious concentration of electric field both in the termination and the connection sections between the termination and the cryogenic envelope. It is difficult to calculate the electric field of the part with irregular or special structure by resolution analytical methods, and the numerical analysis method is effective to analyze the electric field of the shaped structural part for HTS cable. The electric analysis, simulation, the design and processing of insulation for the two cables are finished based upon these two cables run well by now.

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17

Liu, Limei, Jiangtao Yan, Keyang Wang, Yang Liu, Wurui Ta, and Yuanwen Gao. "Experimental Research on Electromechanical Properties of Multiple Contact Surfaces Copper Bulks under Normal Cyclic Loading and Variable Temperature." Materials 12, no. 23 (November 24, 2019): 3883. http://dx.doi.org/10.3390/ma12233883.

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Contact resistance is key for stable operation of electrical contact equipment, and can also be extensively applied. For Tokomak devices in fusion reactors, contact resistance of the superconductor magnet system strongly relates to the alternating current (AC) loss of the cable; the cable is assembled using a certain number of contacting superconducting tapes coated with copper layers on both sides. The contact resistance of a metal solid surface is affected by many factors. In this work, the contact resistance of copper surface samples was studied experimentally under variable normal cyclic load, temperature and number of contact surfaces. This is consistent with real-world working conditions, as the structure of superconducting cables can be changed, and such cables are used under cyclic electromagnetic forces in temperatures which range from room to working temperature. Experimental results showed that contact resistance decreased rapidly with an increase of load. Further, when temperature was varied from 77 to 373 K, the load–unload contact resistance lag decreased. When the number of contact surfaces was increased, contact resistance increased. Finally, a fitted formula describing the relationship between contact resistance and cyclic times, temperature and number of contact interfaces was determined. This formula can be used to predict variation trends of contact resistance in complex environments and provide more accurate contact resistance parameters for calculating the AC loss of superconducting cables.

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18

Nguyen, Thai-Thanh, Woon-Gyu Lee, Hak-Man Kim, and Hyung Yang. "Fault Analysis and Design of a Protection System for a Mesh Power System with a Co-Axial HTS Power Cable." Energies 13, no. 1 (January 2, 2020): 220. http://dx.doi.org/10.3390/en13010220.

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The uses of high-temperature superconducting (HTS) cables pose a challenge of power system protection since the impedance of the HTS cable is varied during fault conditions. The protection systems should be designed properly to ensure the reliability and stability of the whole system. This paper presents a fault analysis of the co-axial HTS cable in the mesh system and proposes a coordinated protection system. In the proposed protection system, the main protection is the differential current relay whereas the backup protections are the overcurrent and directional overcurrent relays. The normal and abnormal relay operations are considered to analyze the transient fault current in the HTS cable and evaluate the performance of the proposed coordinated protection system. Characteristics of cable impedances and temperatures under various fault conditions are presented. The proposed protection scheme is validated by the simulation in the PSCAD/EMTDC program. Simulation results show that the coordinated protection scheme could successfully protect the HTS cables in both normal and abnormal relay operations.

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19

Nguyen, Thai-Thanh, Woon-Gyu Lee, Seok-Ju Lee, Minwon Park, Hak-Man Kim, DuYean Won, Jaeun Yoo, and Hyung Suk Yang. "A Simplified Model of Coaxial, Multilayer High-Temperature Superconducting Power Cables with Cu Formers for Transient Studies." Energies 12, no. 8 (April 22, 2019): 1514. http://dx.doi.org/10.3390/en12081514.

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Bypassing transient current through copper (Cu) stabilizer layers reduces heat generation and temperature rise of high-temperature superconducting (HTS) conductors, which could protect HTS cables from burning out during transient conditions. The Cu layer connected in parallel with HTS tape layers impacts current distribution among layers and variations of phase resistance in either steady-state or transient conditions. Modeling the multilayer HTS power cable is important for transient studies. However, existing models of HTS power cables have only proposed HTS cables without the use of a Cu-former layer. To overcome this problem, the authors proposed a multilayer HTS power cable model that used a Cu-former layer in each phase for transient study. It was observed that resistance of the HTS conductor increased significantly in the transient state due to a quenching phenomenon, which made the transient current mainly flow into the Cu-former layers. Since resistance of the Cu-former layer has a significant impact on the transient current, detailed modeling of the Cu-former layer is described in this study. The feasibility of the developed HTS cable model is evaluated in the PSCAD/EMTDC program.

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20

Chen, Quan, Jin Min Cheng, Bai Liang Liu, Ying Xu, Xiao Lei Wang, Tao Ma, and Bang Zhu Wang. "Effect of Tensile Stress on Characteristics of High-Temperature Superconducting Tape." Key Engineering Materials 871 (January 2021): 165–69. http://dx.doi.org/10.4028/www.scientific.net/kem.871.165.

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With the discovery of high-temperature superconducting (HTS) tape and the improvement of the performance of the second-generation HTS tape, the application of superconductors in power system is gradually unfolding. There have been many demonstration projects at home and abroad. When the HTS tape is applied to the power cable, the mechanical external action of the cable winding, laying and installation operations, and the Ampere force when the current is applied are applied to it. Stress has an important influence on the critical current characteristic of the superconducting tape. In different application scenarios of the tape, different materials and thicknesses reinforcement layers can be chosen. In this paper, for the YBCO superconducting tapes with different reinforcement layers, a set of systems with critical current under tensile stress at cryogenic temperature is used to study the influence of tensile stress on the critical current of superconducting tape at low temperature. We analyze the influence of the structure of the superconducting tape on the characteristics of the tape and studied its degradation characteristics, which have guiding significance for the design and operation of the superconducting cable.

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21

Cao, Jingying, Jie Chen, Liu Yang, Qidi He, Gang Liu, Libin Hu, Xiao Tan, and Chenying Li. "Multi-physics coupling finite element analysis of 10kV tri-axial HTS cable." E3S Web of Conferences 118 (2019): 02056. http://dx.doi.org/10.1051/e3sconf/201911802056.

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As an important equipment of power transmission, power cable has been required better performance on cable line loss and current ampacity to achieve its high reliability. This paper proposes an advanced application of superconducting transmission technology in power grid, namely tri-axial high-temperature superconducting (HTS) cable. The corresponding simplified model is established for multi-physical field analysis, and the size of each structure is determined through structural design. The temperature distribution of the cable body is analyzed according to multi-physical field coupling, and the influence of flow rate, size and other factors on the stability of the system is studied. In this paper, it is found that increasing liquid nitrogen volume and flow rate have saturation limit for lowering cable body temperature, and the axial temperature rise rate of cable body tends to be stable when it is greater than 4m. Multi-physical field analysis provides a basis for the design of HTS cable length without having system quench or liquid nitrogen gasification.

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22

Hassenzahl, W. V., S. Eckroad, P. M. Grant, B. Gregory, and S. Nilsson. "A High-Power Superconducting DC Cable." IEEE Transactions on Applied Superconductivity 19, no. 3 (June 2009): 1756–61. http://dx.doi.org/10.1109/tasc.2009.2017844.

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23

Ohya, M., Y. Ashibe, M. Watanabe, T. Minamino, H. Yumura, T. Masuda, and T. Kato. "Development of RE-123 Superconducting Cable." IEEE Transactions on Applied Superconductivity 19, no. 3 (June 2009): 1766–69. http://dx.doi.org/10.1109/tasc.2009.2018066.

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24

Rose, C., and M. J. Gans. "A dielectric-free superconducting coaxial cable." IEEE Transactions on Microwave Theory and Techniques 38, no. 2 (1990): 166–77. http://dx.doi.org/10.1109/22.46427.

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25

Honjo, S., K. Matsuo, T. Mimura, and Y. Takahashi. "High-Tc superconducting power cable development." Physica C: Superconductivity 357-360 (August 2001): 1234–40. http://dx.doi.org/10.1016/s0921-4534(01)00501-9.

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26

Matsushita, Teruo, Masaru Kiuchi, and Edmund Soji Otabe. "Innovative superconducting force-free cable concept." Superconductor Science and Technology 25, no. 12 (October 19, 2012): 125009. http://dx.doi.org/10.1088/0953-2048/25/12/125009.

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27

Garber, M., A. K. Ghosh, A. Greene, D. McChesney, A. Morgillo, R. Shah, S. DelRe, et al. "Superconducting wire and cable for RHIC." IEEE Transactions on Magnetics 30, no. 4 (July 1994): 1722–25. http://dx.doi.org/10.1109/20.305588.

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28

Shlyakhova, G. V., S. A. Barannikova, and L. B. Zuev. "Nanostructure of superconducting Nb-Ti cable." Steel in Translation 43, no. 10 (October 2013): 640–43. http://dx.doi.org/10.3103/s0967091213100124.

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29

Yu, Hui, and Jun Lu. "Superconducting Transformer for Superconducting Cable Testing up to 45 kA." IEEE Transactions on Applied Superconductivity 30, no. 4 (June 2020): 1–4. http://dx.doi.org/10.1109/tasc.2020.2972502.

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30

Doronin, Mikhail, George Greshnyakov, and Nikolay Korovkin. "Modes of operation and design features of pulse cables for the ITER project." MATEC Web of Conferences 245 (2018): 13001. http://dx.doi.org/10.1051/matecconf/201824513001.

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Cables with high current capacity are used in power devices, including special-purpose ones operating in impulse modes. It is important to ensure low inductance of such cables, because these type cable products are often used as connecting products. This article discusses the problems that arise in the design and manufacture of special low-inductance impulse cables (SLIC) for power supply and protection of the superconducting magnetic system of the ITER reactor (France), the distinguishing features of which are the optimum ratio of insulation thickness and throughput at low inductance.

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31

Nguyen, Thai-Thanh, Hak-Man Kim, and Hyung Suk Yang. "Impacts of a LVRT Control Strategy of Offshore Wind Farms on the HTS Power Cable." Energies 13, no. 5 (March 5, 2020): 1194. http://dx.doi.org/10.3390/en13051194.

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High temperature superconducting (HTS) power cables are a potential solution for the grid integration of offshore wind farms since the HTS cable can conduct bulk wind power at low voltage levels. However, the transient current through the HTS cable in cases of low voltage ride through (LVRT) operation has a negative impact on the HTS cable operation due to the quenching phenomenon. This paper analyzes the impact of LVRT control strategies on the HTS cable operation. In addition, a coordinated control of wind turbines for LVRT improvement of an offshore wind farm is proposed. The feasibility of the HTS cable application for the grid connection of offshore wind farms is also discussed in this study. The proposed controller is designed for the wind turbine generator based on a type-4 permanent magnet synchronous generator. In the proposed controller, the transient current through the HTS cable is reduced by regulating the machine side power during fault conditions. The feasibility of the proposed controller is validated in the PSCAD/EMTDC program (Manitoba Hydro International Ltd., Winnipeg, Manitoba, Canada, version 4.2.1). The effects of transient current on the cable temperatures and resistances are analyzed in this study. Simulation results show that the proposed control strategy could reduce the transient current and temperature rise of the HTS cable.

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32

Song, Meng, Zuo Shuai Wang, Li Ren, Yi Zhang, Shi Feng Shen, Nan Nan Hu, Kun Nan Cao, Xu Zhi Deng, and Jing Dong Li. "Design of 110kV/2kA High Temperature Superconducting Cable Termination Stress Cones." Advanced Materials Research 1070-1072 (December 2014): 1011–15. http://dx.doi.org/10.4028/www.scientific.net/amr.1070-1072.1011.

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High temperature superconducting (HTS) cable termination is an important component of the HTS cable system, which functions to connect the HTS cable and the conventional cable accessory. The stress cones of the HTS cable termination can improve the internal electric field distribution and the electrical insulation strength of the cable termination. In this paper, the mathematical model and equivalent circuit model of the stress cones are built and the genetic algorithm is adopted to the design of 110-kV HTS cable terminal stress cone. The capacitance, radial electric field, axial electric field, voltage, insulation thickness and other parameters of the stress cone were compared before and after the optimization of the stress cone. Finally, the simulations of the stress cone with the optimized structure were made using finite-element analysis software COMSOL to test the optimization result.

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33

TSUKAMOTO, OSAMI. "Application of Superconducting Technology to Electric Power Apparatuses. Superconducting Power Cable." Journal of the Institute of Electrical Engineers of Japan 117, no. 4 (1997): 231–34. http://dx.doi.org/10.1541/ieejjournal.117.231.

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34

SHIBATA, Toshikazu, Jun FUJIKAMI, Michihiko WATANABE, Chizuru SUZAWA, Shigeki ISOJIMA, Ken-ichi SATO, Hideo ISHII, Shoichi HONJO, and Yoshihiro IWATA. "Development of High-temperature Superconducting Cable System." TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 33, no. 3 (1998): 128–36. http://dx.doi.org/10.2221/jcsj.33.128.

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Kosaki, Masamitsu, Masayuki Nagao, Yukio Mizuno, Noriyuki Shimizu, and Kenji Horii. "Development of extruded polyethylene insulated superconducting cable." IEEJ Transactions on Industry Applications 108, no. 11 (1988): 977–83. http://dx.doi.org/10.1541/ieejias.108.977.

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HONJO, Shoichi, Osamu MARUYAMA, Tetsutaro NAKANO, Takato MASUDA, Michihiko WATANABE, Masayoshi OHYA, Akito MACHIDA, Hiroharu YAGUCHI, and Naoko NAKAMURA. "NEDO “High-Tc Superconducting Cable Demonstration Project”." TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 48, no. 11 (2013): 553–61. http://dx.doi.org/10.2221/jcsj.48.553.

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TOMITA, Masaru. "Development of Superconducting cable for Railway System." TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 48, no. 11 (2013): 562–68. http://dx.doi.org/10.2221/jcsj.48.562.

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Wang, X., H. Ueda, A. Ishiyama, M. Yagi, S. Mukoyama, N. Kashima, S. Nagaya, and Y. Shiohara. "Over-current characteristics of YBCO superconducting cable." Physica C: Superconductivity 469, no. 15-20 (October 2009): 1717–21. http://dx.doi.org/10.1016/j.physc.2009.05.034.

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Kosaki, M., M. Nagao, Y. Mizuno, N. Shimizu, and K. Horii. "Development of extruded polymer insulated superconducting cable." Cryogenics 32, no. 10 (January 1992): 885–94. http://dx.doi.org/10.1016/0011-2275(92)90355-e.

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Gouge, M. J., M. J. Cole, J. A. Demko, P. W. Fisher, C. A. Foster, R. Grabovickic, D. T. Lindsay, J. W. Lue, M. L. Roden, and J. C. Tolbert. "High-temperature superconducting tri-axial power cable." Physica C: Superconductivity 392-396 (October 2003): 1180–85. http://dx.doi.org/10.1016/s0921-4534(03)00788-3.

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Goodrich, L. F., and S. L. Bray. "Current capacity degradation in superconducting cable strands." IEEE Transactions on Magnetics 25, no. 2 (March 1989): 1949–52. http://dx.doi.org/10.1109/20.92689.

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Ohya, M., T. Masuda, N. Amemiya, A. Ishiyama, and T. Ohkuma. "Development of 66kV class REBCO superconducting cable." Physics Procedia 27 (2012): 364–67. http://dx.doi.org/10.1016/j.phpro.2012.03.486.

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Kopylov, I., N. N. Balashov, V. V. Zheltov, I. V. Krivetsky, and V. E. Sytnikov. "Sectioning of a High-Current Superconducting Cable." IEEE Transactions on Applied Superconductivity 23, no. 3 (June 2013): 5402703. http://dx.doi.org/10.1109/tasc.2013.2251053.

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Daumling, M. "Electromagnetic behavior of a superconducting power cable." IEEE Transactions on Appiled Superconductivity 11, no. 1 (March 2001): 2146–49. http://dx.doi.org/10.1109/77.920282.

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Kuchnir, M., and J. P. Ozelis. "Superconducting current transducer (for cable testing facility)." IEEE Transactions on Magnetics 27, no. 2 (March 1991): 1843–45. http://dx.doi.org/10.1109/20.133554.

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TOMITA, Masaru, Kenji SUZUKI, Yusuke FUKUMOTO, Atsushi ISHIHARA, Tomoyuki AKASAKA, and Yusuke KOBAYASHI. "High Temperature Superconducting Cable for Railway System." Quarterly Report of RTRI 54, no. 3 (2013): 172–76. http://dx.doi.org/10.2219/rtriqr.54.172.

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Kosaki, Masamitsu, Masayuki Nagao, Yukio Mizuno, Noriyuki Shimizui, and Kenji Horii. "Development of extruded polyethylene-insulated superconducting cable." Electrical Engineering in Japan 109, no. 1 (January 1989): 71–80. http://dx.doi.org/10.1002/eej.4391090108.

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Šouc, J., F. Gömöry, M. Vojenčiak, L. Frolek, D. Isfort, J. Ehrenberg, and J. Bock. "DC Characterization of the Coaxial Superconducting Cable." Acta Physica Polonica A 113, no. 1 (January 2008): 375–78. http://dx.doi.org/10.12693/aphyspola.113.375.

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Romedenne, O., X. Granados, P. Casals, S. Cascante, T. Puig, and X. Obradors. "Two examples of efficient superconducting cable applications." Journal of Physics: Conference Series 234, no. 3 (June 1, 2010): 032049. http://dx.doi.org/10.1088/1742-6596/234/3/032049.

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Takahata, Kazuya, Junya Yamamoto, and Toshiyuki Mito. "Stability of NbTi forced-flow superconducting cable." Cryogenics 36, no. 3 (March 1996): 163–66. http://dx.doi.org/10.1016/0011-2275(96)81606-7.

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