Main functions and characteristic for zerosequence current protection setting program are presented in this paper. Ways of no_balance zerosequence current for double lines are introduced.
主要介绍了零序电流保护整定计算程序的主要功能和特点，简要介绍了双回线零序电流的不平衡解决方法。
2
Used together with SD-LJD (LXK) series ZCT and executing relay to form a complete zerosequence (ground) protection system.
配合SD - LJD (LXK)系类零序电流互感器和动作继电器即组成完整的零序(接地)保护系统。
3
And two draft resolutions were proposed trying to solve the problem of ct polarity checking in transformer zero-sequence differential protection.