In order to Solve the problem in calculating and setting for the unbalance neutral current protection,studies by RTDS simulation and field tests were carried out,and related formulas were obtained.

• 为了解决2组电容器容量不等的双星形电容器组中性点电流不平衡保护整定计算问题，从RTDS仿真、现场试验等方面进行了研究，并提出了相关公式。