Preparations for pulse operation tests of the ITER CS model coil using the JT-60 power supply

Preparations for pulse operation tests of the ITER CS model coil using the JT-60 power supply

Some preparations for pulse operation tests of the ITER CS model coil in the JT-60 power supply system have been performed. Since the ITER CS model coil takes a longer current ramp-up time, the pulse duration is extended up to 70 s from 15 s by decreasing the output voltage of the motor-generator. I...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2000-03, Vol.10 (1), p.1410-1413
Hauptverfasser: Matsukawa, M., Miura, Y.M., Terakado, T., Okano, J., Kimura, T.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Coiling
Coils
Electric potential
Electrical engineering. Electrical power engineering
Exact sciences and technology
Generation of magnetic fields
magnets
Grounding
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Magnetic components, instruments and techniques
Performance analysis
Performance evaluation
Physics
Power supplies
Power system modeling
Power system protection
Protection systems
Pulse duration
Pulsed power supplies
Resistors
Superconductivity
System testing
Testing. Reliability. Quality control
Voltage
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Zusammenfassung:Some preparations for pulse operation tests of the ITER CS model coil in the JT-60 power supply system have been performed. Since the ITER CS model coil takes a longer current ramp-up time, the pulse duration is extended up to 70 s from 15 s by decreasing the output voltage of the motor-generator. In the protection system a new grounding resistor with higher resistance has been installed and a new protection make-switch has also been developed. An analysis for the local resonances in the coil has been performed, and measurements of the coil impedance is planned to confirm the validity of the analysis results.
ISSN:1051-8223
1558-2515
DOI:10.1109/77.828503