The shielding of asynchronous magnetic fields in the superconducting synchronous generator with electromagnetic shields

Muta, Itsuya; Mukai, Eiichi; Yagi, Masaru

doi:10.1002/eej.4390980512

Cited by 1 publication

(1 citation statement)

References 5 publications

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“…In the Super-GM generator, the room-temperature damper acts as a magnetic shield as well; therefore, in an HTS generator without radiation shield, the room-temperature damper was provided with a magnetic shield function, at the same transmitted magnetic flux attenuation ratio (the ratio of magnetic flux densities with and without the damper). In the Super-GM generator, the attenuation ratio is 0.02 at 120 Hz; aiming at the same ratio for the HTS generator, the thickness of the damper was set as 10 mm [9].…”

Section: Room-temperature Dampermentioning

confidence: 99%

Tentative design and evaluation of a high‐temperature superconducting generator

Kanamori

Yamada

Hasegawa

et al. 2002

Electrical Engineering Japan

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SUMMARYStudies on superconducting generators have been carried out worldwide. Especially in Japan, it is worthy of attention that Super-GM led the national project concerning the successful development of the 70 MW-class superconducting generators. Low-temperature superconducting wires have been applied to field windings of generators. In Japan, the next-generation coated conductors, namely, high-temperature superconducting wires, have proceeded under the national project supported by NEDO. Provided that the next-generation coated conductors are applied to field windings, the weight and volume of superconducting generators will be reduced. Furthermore, using liquid nitrogen as a coolant instead of liquid helium, the reliability of high-temperature superconducting generators is expected to improve.This paper provides tentative designs of a high-temperature superconducting generator whose field windings are composed of YBa 2 Cu 3 O 7-x wires. By comparison with the low-temperature superconducting generator developed by Super-GM, the usefulness of the high-temperature superconducting generator is discussed.

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Section: Room-temperature Dampermentioning

confidence: 99%