Solenoid Type Shielding Coil Systems for a Small Scale SMES

One of the difficulties of a small scale SMES for applications such as power line control is a high pulse loss due to its rapid change of magnetic field at short time energy transfer. To reduce it, a shielding coil system, which is composed of a main superconducting coil and a normal shielding coil...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2008-06, Vol.18 (2), p.709-712
Main Authors: Horiuchi, Y., Yamasaki, Y., Ezaki, T., Imayoshi, T.
Format: Article
Language:English
Subjects:
Applied sciences
Coiling
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electromagnets
Energy accumulation
Energy exchange
Energy transfer
Exact sciences and technology
Fluctuation
Fluctuations
Magnetic fields
Magnetic forces
Magnetic shielding
Magnetism
Operation. Load control. Reliability
Power line control
Power networks and lines
Samarium
Shielding
shielding coil
Small scale
SMES
solenoid
Solenoids
Superconducting coils
Superconductivity
Toroidal magnetic fields
Various equipment and components
Voltage
Wounds
Citations: Items that this one cites
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Description
Summary:One of the difficulties of a small scale SMES for applications such as power line control is a high pulse loss due to its rapid change of magnetic field at short time energy transfer. To reduce it, a shielding coil system, which is composed of a main superconducting coil and a normal shielding coil connected in parallel, was proposed. For the medium scale SMES, we have showed the possibility of a toroidal type shielding coil system which produces small stray field in environment. A solenoid type coil system, however, seems to be appropriate for a small scale one, because a coil system of solenoid configuration brings advantages of an ease of magnetic force support and a simple cryostat system. The stray field is restricted in narrow area due to its small dimension. A simple solenoid shielding coil, however, might give somewhat of field fluctuations to a main superconducting coil, and then correction shielding coils should be arranged in the system. The proper arrangements of correction shielding coils are discussed in terms of the reduction of field fluctuations on the superconducting coil.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2008.920534