Physical Design of Superconducting Magnet for ADS Injection I

TL;DR

This paper reports the design, fabrication, and testing of a superconducting solenoid magnet prototype for ADS Injection I, demonstrating its performance, reliability, and valuable insights for future magnet production and testing.

Contribution

It presents a successful design and testing process of a superconducting magnet prototype, including quench behavior and system reliability insights.

Findings

Magnet operated at 400A without quench

Integral and leakage fields met design specs

System reliability of Dewar and detection system confirmed

Abstract

Superconducting solenoid magnet prototype for ADS Injection I had been designed and fabricated, and also had been tested in liquid Helium state inside a vertical Dewar in Haerbin institute of Technology in Nov. 2012. The design current is 210A, when the test current reached 400A no quench occurred, the solenoid magnet was forced to quench by the embedded heaters. The integral field strength, leakage field at the nearby upstream and downstream superconducting spoke cavities all meet the design requirements. At the same time, it also checked the system reliability of the vertical test Dewar and the quenched detection system. The superconducting magnet prototype has accumulated valuable experiences for the coming batch magnets production and cryogenic test.