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Intelligent innovative power supply for superconducting coils

Euronorm

Dr. Andreas Kade

+49-351-4081-615

Compact, powerful power supply with 4-quadrant converter

The aim of the R&D project is the development of an intelligent innovative power supply as a 4-quadrant controller and energy storage device, which consists of a communicating system between quench protection and current flow control at the superconductor. The development shall be characterized by safety, compactness, accuracy, user friendliness, good price-performance ratio and modularity. The combination of cryogenic and warm electronics will provide significant advantages.
The functional model developed and constructed for this purpose should have the following parameters and properties:

  • 4-quadrant power supply with ± 25 V and ± 14 kA
  • Constant voltage quench protection system
  • Cryogenic switch (cryogenic)
  • Energy storage system

The components for the energy storage system to be developed consist of individual cells with a capacity of 3000 F and a voltage of 2.7 V. 51 modules are connected in parallel, each with 10 individual cells, to form a capacitor bank. This results in a capacity of 15,300 F and a voltage of 25 V. A 3 kA, 30 V device serves as power supply, which has already been successfully tested on a cryogenic power supply.
In the next step, the configured capacitor modules for the energy storage and the boards of the 4-quadrant controller, see Figure 1, are combined in three switch cabinets, see Figure 2.


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Intelligent innovative power supply for superconducting coils

Compact, powerful power supply with 4-quadrant converter


Contact

Institut für Luft- und Kältetechnik - Gemeinnützige Gesellschaft mbH
Bertolt-Brecht-Allee 20, 01309 Dresden


Secretary to the Management

+49-351-4081-520

+49-351-4081-525

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