EAST-NBI偏转磁体电源控制与保护研究 Control and Protection Research for the Magnet Power Supply of EAST-NBI

为满足EAST-NBI恒定磁场需求，保障磁体电源安全、稳态运行，设计了偏转磁体电源控制与保护系统并对其性能进行了实验验证。本文在简要介绍偏转磁体电源的设计指标和技术方案的基础上，详细介绍了其控制与保护系统的设计。实验结果表明，该控制与保护系统保障了磁体电源时序和幅值输出的一致性，并通过故障报警与连锁保护保障了磁体电源的安全可靠运行，满足实验需求。 A control and protection system is designed to ensure magnet power supply’s safe and steady state running in the neutral beam injector of the experimental advanced superconducting Tokomak (EAST-NBI). In this paper, a detailed introduction of magnet power supply’s control and protection system is shown based on a brief introduction of magnet power supply’s design index and technical solution. The experimental results suggest that the control and protection system ensures the synchronous output between timing and amplitude, and protects magnet power supply running safely and reliably through failure warning and interlock protection. Failure warning and interlock are crucial for EAST-NBI.