Line bus integrated backup protection method using pilot comparison principle based on the fault direction

• Main Authors: DUAN JIANJUN, LI YOUMIN, MAO KUN, XIAO JING, ZHUANG YANFEI, WANG YANBO, HAN ZHENFENG, GAO XIAODONG, LIU XIFENG, ZHANG WEI, FENG YINGCHUN, YAN CHAO
• Format: Patent
• Language: English
• Published: 09.12.2015
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention discloses a line bus integrated backup protection method using a pilot comparison principle based on the fault direction. The method comprises the steps: taking a breaker as the center, determining the electrical elements related with the breaker and the backup protection functions, an...