For system protection

a variable set electrical secondary loop of protection problems existing in the interface section

to a certain power plant no.2 machine generator transformer connection line group

for example

never jump from inside the plug-in circuit principle diagram for root cause analysis

think two wing hop relay contact adhesion due to any fever is always connected to GE and south red hair group protection "system to protect" analog signal

The reason of manual can not return

and put forward the solution of configuration logic design.