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Effect of the voltage lead configurations on AC Loss Measurement in a Single Layer High-Tc Superconducting Model Cable  

류경우 (전남대 전기공학과)
정재훈 (전남대 전기공학과)
황시돌 (한국전력연구원)
김석환 (한국전기연구원)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.51, no.12, 2002 , pp. 670-675 More about this Journal
Abstract
AC loss is an important issue in the design of high-T$_{c}$ superconducting Power cables. The cables consists of a number of Bi-2223 tapes wound on a former. In such cables tapes have different critical current characteristics intrinsically. And they are electrically connected to each other and current leads by soldering. These make loss measurements considerably complex, especially for short samples of laboratory size. Special cautions are required in the positioning of voltage leads for measuring the true loss voltage. In this work the at losses in a single layer model cable have been experimentally investigated for different contacts and arrangements of voltage leads. The results show that the losses are not dependent on both arrangements and contact positions of the voltage leads. This implies that loss flux is only in a cylindrical conductor section. The measured losses also agree well with those based on a monoblock model and are independent of frequencies. This means that the measured AC loss of the model cable is purely hysteretic in nature.e.
Keywords
AC loss measurement; single layer high-T$_{}$ c/ superconducting cable; voltage lead's contact position and arrangement;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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