The zero-sequencecurrentprotection is an important means of power system ground protection.
零序电流保护是一种重要的接地保护方法。
2
Main functions and characteristic for zerosequencecurrentprotection setting program are presented in this paper. Ways of no_balance zerosequencecurrent 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。
3
The validity check of zero-sequence operating direction for transformer directional over-currentprotection is also essential.