自动控制保护
automatically control and protect
数字控制保护
digital control and protection
（差动保护）
Better-than-average effect
500 kV主变差动保护
differential protection far 500 kV main transforme
DFT差动保护
DFT differential protection
比率差动保护
differential protection
rate differential protection
ratio differential protection
percentage differential protection
比率制动的差动保护
Ratio restraint differential protection
比相式母线差动保护
phase-comparison busbar diffrential protection
变压器比率差动保护
transformer ratio-differential protection
变压器差动保护
transformer differential protection
transformer differential-protection
transformer differential relay
Differential protection for transformer
transformers differential protection
the Transformer Differential Protection
Differential Protection of Transformer
transformer’s differential protection
变压器差动保护误动
Malfunction of Transformer Differential Protection
变压器零序差动保护
transformer zero-seguence differential protection
变压器偏置差动保护
biased differential transformer protection
变压器三点差动保护
tri-poim style differential protection of transformer
补偿式发电机电流差动保护
compensated generator differential protection
不完全差动保护
incomplete differential protection
uncompleted differential protection
采样值差动保护
sampled values differential protection
sampled values based differential protection
differential protection based on sampled values
sampling value based differential protection
sampling value differential protection
Sampled value differential protection