GE b30 User Manual

GE Multilin B30 Bus Differential System 8-9
8 THEORY OF OPERATION 8.5 SATURATION DETECTOR
8
Figure 8–8: SATURATION DETECTOR STATE MACHINE
NORMAL
SAT:=0
EXTERNAL
FAULT
SAT:=1
EXTERNAL
FAULT and CT
SATURATION
SAT:=1
The differential
characteristic
entered
The differential-
restraining trajectory
out of the differential
characteristic for a
certain period of time
saturation
condition
The differential
current below the
first slope for a
certain period of
time
836729A1.CDR

GE b30 Specifications

General

Model	b30
Manufacturer	GE
Coil Voltage	N/A (Solid State Relay)
Coil Power	N/A (Solid State Relay)
Mechanical Life	N/A (Solid State Relay)
Electrical Life	N/A (Solid State Relay)