MEASURING METHOD AND MEASURING DEVICE OF LOSS OF SUPERCONDUCTIVE WIRE MATERIAL

PROBLEM TO BE SOLVED: To provide a measuring method and a measuring device capable of measuring accurately a loss of a lengthy superconductive wire material. SOLUTION: This measuring method of the loss of the superconductive wire material has following processes. A current having a frequency F1and a...

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Hauptverfasser: YAMAZAKI KOHEI, FUJIGAMI JUN
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FUJIGAMI JUN
description PROBLEM TO BE SOLVED: To provide a measuring method and a measuring device capable of measuring accurately a loss of a lengthy superconductive wire material. SOLUTION: This measuring method of the loss of the superconductive wire material has following processes. A current having a frequency F1and a current value I1is made to flow into the superconductive wire material 1 of the first section, and a voltage value1,1,1is acquired. The current having the frequency F1and the current value I1is made to flow into the superconductive wire material 1 of the n-th section (n is every integer satisfying 2≤n≤N), and a voltage value1,1,nis acquired. A loss L1,1,1corresponding to the current value I1in the first section is calculated based on the current value I1and the voltage value1,1,1. A loss L1,1,ncorresponding to the current value I1in the n-th section is calculated based on the current value I1and the voltage value1,1,n. In each process for acquiring the voltage value, the voltage value1,1,1and the voltage value1,1,nare acquired after keeping the current flowing in the superconductive wire material from a constant current source 6 for a fixed time in the state of a fixed frequency and a fixed current value set beforehand. COPYRIGHT: (C)2009,JPO&INPIT
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SOLUTION: This measuring method of the loss of the superconductive wire material has following processes. A current having a frequency F1and a current value I1is made to flow into the superconductive wire material 1 of the first section, and a voltage value1,1,1is acquired. The current having the frequency F1and the current value I1is made to flow into the superconductive wire material 1 of the n-th section (n is every integer satisfying 2≤n≤N), and a voltage value1,1,nis acquired. A loss L1,1,1corresponding to the current value I1in the first section is calculated based on the current value I1and the voltage value1,1,1. A loss L1,1,ncorresponding to the current value I1in the n-th section is calculated based on the current value I1and the voltage value1,1,n. 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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title MEASURING METHOD AND MEASURING DEVICE OF LOSS OF SUPERCONDUCTIVE WIRE MATERIAL
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