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Homepage>BS Standards>17 METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA>17.220 Electricity. Magnetism. Electrical and magnetic measurements>17.220.01 Electricity. Magnetism. General aspects>BS EN IEC 61788-17:2021 - TC Tracked Changes. Superconductivity Electronic characteristic measurements. Local critical current density and its distribution in large-area superconducting films
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immediate downloadReleased: 2022-03-07
BS EN IEC 61788-17:2021 - TC Tracked Changes. Superconductivity Electronic characteristic measurements. Local critical current density and its distribution in large-area superconducting films

BS EN IEC 61788-17:2021 - TC

Tracked Changes. Superconductivity Electronic characteristic measurements. Local critical current density and its distribution in large-area superconducting films

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Standard number:BS EN IEC 61788-17:2021 - TC
Pages:116
Released:2022-03-07
ISBN:978 0 539 21240 2
Status:Tracked Changes
DESCRIPTION

BS EN IEC 61788-17:2021 - TC


This standard BS EN IEC 61788-17:2021 - TC Tracked Changes. Superconductivity is classified in these ICS categories:
  • 17.220.20 Measurement of electrical and magnetic quantities
  • 17.220.01 Electricity. Magnetism. General aspects
  • 91.140.50 Electricity supply systems
  • 35.110 Networking
  • 29.050 Superconductivity and conducting materials
IEC 61788-17:2021 is available as IEC 61788-17:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61788-17:2021 specifies the measurements of the local critical current density (Jc) and its distribution in large-area high-temperature superconducting (HTS) films by an inductive method using third-harmonic voltages. The most important consideration for precise measurements is to determine Jc at liquid nitrogen temperatures by an electric-field criterion and obtain current-voltage characteristics from its frequency dependence. Although it is possible to measure Jc in applied DC magnetic fields [20] [21], the scope of this document is limited to the measurement without DC magnetic fields. This technique intrinsically measures the critical sheet current that is the product of Jc and the film thickness d. The range and measurement resolution for Jcd of HTS films are as follows. - Jcd: from 200 A/m to 32 kA/m (based on results, not limitation). - Measurement resolution: 100 A/m (based on results, not limitation).