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Development of the high-speed quench-detecting system using a digital signal processor.

[In Japanese. / En japonais.]

Author(s) : INUKAI E., NAKAMURA K., ABE Y.

Type of article: Article

Summary

The quench-detecting is performed by evaluation of the mutual correlation factor for current through the current lead and its potential difference. It is indicated that the calculation of the factor can be processed for every one cycle of current and voltage, and the quenching recognition is performed at least within 17 ms for current of 60 hertz. This value would be reasonable for the protection of the coil system from catastrophy. It was also discussed that the method using the mutual correlation factor can well recognize the quenching state, even if the higher harmonics due to the electromagnetic noise were included in the measured voltage.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1994-2728
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 28 - n. 6
  • Publication date: 1993
  • Document available for consultation in the library of the IIR headquarters only.

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