Table 2 Design parameters of a pair of HTS current leads
From: Conceptual design of the superconducting magnet for the 250 MeV proton cyclotron
Material | HTS | OFHC copper |
|---|---|---|
Maximum operating current (A) | 250 | 250 |
Ground insulation (V) | 500 | 500 |
HTS | 4 × Bi-2223/Ag–Au | – |
Joint resistance between HTS and NbTi/Cu (μΩ) | <0.2 | <1 |
Operating temperature (K) | 5~60 | 60~300 |
Heat load (W) | <0.3 @4.2 K | <25 @60 K |