This paper describes and analyses the sodium leakage accidents in the primary circuit of CEFR, especially in the curve pipelines of the primary sodium purification system when it suffers the doub.

• 本文主要阐述中压系统的接地方式;在有多根电缆的同一回路中,如何选择零序电流互感器及分析它们的二次线圈连接方式,以便能选出最优的接线方式。