Absolute Measurements of the Magnetic Field Generated by Different Coils in the Center of EGYPTOR Tokamak |
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| Authors: | H. Hegazy F. Zacek |
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| Affiliation: | (1) EGYPTOR Project, Plasma Physics Department, NRC, Egyptian Atomic Energy Authority, 13759 Enshass, Egypt;(2) Institute of Plasma Physics, Czech Academy of Sciences, Za Slovenkou 3, Praha8, Czech Republic |
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| Abstract: | The present work is devoted to measure the absolute magnetic field produced by different coils in the EGYPTOR tokamak using a calibrated pickup coil. Scaling these measurements in different equations connected with the discharge currents from each supply system are performed. The pickup coil used in the present study is well calibrated with Helmholz coils at the IPP in Prague, Czech Republic. A 0.2% deviation has been found between an evaluation done in the present study and the calibration using Helmholz coils. Experimental measurements of the toroidal magnetic field are in good agreement with calculations to within 2%. Very low values of stray magnetic field components arising from TF and OH coils are recorded which proves that the compensation coils for these components are sufficient. |
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| Keywords: | Small tokamaks EGYPTOR tokamak pickup coil magnetic field |
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