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Superconducting high tc coils for high field technologies


The project brings together six partners from five European countries resulting in a consortium with different competencies: an electrical power utility company, a manufacturer of electrical equipment, a magnet manufacturer, a chemical company and two universities (high fields and magnetic sensors).
The objective of the project is to develop basic technologies for the manufacturing of high temperature superconducting (HTS) coils at high fields and at operating temperatures in the range of 2040 K. The identified product applications are: DC magnets, for medical imaging (MRI), instrumentation, Laboratory use and pulsed magnets for Superconducting Magnetic Energy Storage (SMES) systems in the 120 MJ range. High field magnets will open the way to a new generation of compact MRI systems. This high field technologies will allow specific, cost effective medical examinations with the advantage of an autonomous plug in system due to the HTS/cryocooler combination.
High Tc high field SMES will improve the quality of the power grid, with respect to short time interruptions (voltage sags) caused by lightning and/or with respect to rapid public grid voltage
fluctuations caused by rapid load variations. This will provide better power quality for the public customers and for sensitive industries such as paper, semiconductor, chemical, and metal industry. These products correspond to a market size of 40 billion ECU. Power applications for which the world market amounts to 20 billion ECU per year are seen as a potential indirect market for the out come of this project.
The realisation of 6 Tesla demonstration magnets cooled by closed cycle refrigeration is the main project goal, which will represent a significant step toward first prototypes which can reach the market in the next five year period. This goal will be reached by combining the three most promising conductor technologies which are:
Coils from melt cast processed bulk material using the 92 K Bi phase. The processis cheap and the performances are sufficient.Coils from DIP coated conductors also using the 92 K Bi phase. The process ofintermediate cost is expected have good DC performance.
Coils from twisted multifilamentary PIT technology using the 110 K or the 92 K Bi phase. The process is more expensive but good performances under DC and under varying conditions are expected.
A straightforward management with the final product in mind, is guaranteed by the presence of an end user as coordinator of the project

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Participants (6)