NDLI: A Novel Approach for Design of DC HTS Cable

Content Provider	IEEE Xplore Digital Library
Author	Yinshun Wang Yibo Zheng Hongwei Liu Shaotao Dai Huiyuan Zhang Xiaojin Guan Yi Teng Lianqi Zhao Jiping Xue Liangzhen Lin
Copyright Year	2002
Abstract	High temperature superconducting (HTS) cable is one of important apparatus in future smart-grid. Direct current (DC) HTS cable can provide secure and reliable transmission of electric power at the gigawatt level with several hundreds of kA and kV. Since the magnetic field of cable seriously degrades the critical current of HTS superconductor and then the current capacity, modern power converters often introduce alternating currents (AC) at other frequencies even filters reduce the magnitude of those ripple currents which resulting into ac loss since systems used to convert AC to direct current (DC) produce some current variations which are usually at frequencies of multiple power frequency. In order to reduce this loss, unlike the conventional uniform current design in AC HTS cable, a novel approach is proposed for minimizing the loss as small as possible by adjusting the inductive reactance of each layer so that the ratios of AC current amplitude to critical current are always same in layers. The magnetic field distribution and critical current are simulated by finite element method (FEM). The calculations show that the new approaches can reduce ac loss, improve efficiency, which are potential for DC current transmission HTS cable application.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1042
Ending Page	1045
Page Count	4
File Size	146157
File Format	PDF
ISSN	10518223
Volume Number	21
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	High temperature superconductors Superconducting cables Power cables Superconducting magnets Conductors Critical current ratio AC loss DC power transmission HTS cable inductive reactance
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Critical Current and Its Magnetic Field Effect Measurement of HTS Tapes Forming DC Superconducting Cable

R & D of superconductive cable in Japan

Effects of HTS Tape Arrangements to Increase Critical Current for the DC Power Cable

Design of Practical Superconducting DC Power Cable With REBCO Coated Conductors

Electrical Characteristics of 2G HTS Tapes Under DC Current With AC Ripple

Loss Characteristic Analysis of HTS DC Power Cable Using LCC Based DC Transmission System

Tape-Width Dependence of AC Losses in HTS Cables

Harmonic Current Based Loss Characteristics Analysis of HTS DC Model Cable Using Calorimetric Method

Study of AC Losses in a 1-m Long, HTS Power Cable Made From Wide 2G Tapes

A Novel Approach for Design of DC HTS Cable

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Electrical Characteristics of 2G HTS Tapes Under DC Current With AC Ripple

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