GE L30 Instruction Manual page 47

2 PRODUCT DESCRIPTION
Clock
Sample
Currents and
Voltages
Remove Decaying
Offset and
Charging Current
Phaselets
Compute
Phaselets
Disturbance
Detector
GE Multilin
Peer
Communication
Ping-pong
Time Stamp
Algorithm
Clock
Control
Sampling
Control
Compute
Frequency
Deviation
Raw
Sample
Compute Positive
Sequence
Currents
Phaselets
Align Phaselets
Compute Phasors and
Variance Parameters
Figure 2–4: MAIN SOFTWARE MODULES
L30 Line Current Differential System
Peer
Time
Stamps
Estimate
Phase Angle
Uncertainties
Phase
Deviation
Estimate Phase
Angle Correction
Phase Deviation
from GPS signal
Frequency
Deviation
Phasors
Phaselets
Fault
Detector
Trip Output
Logic
2.3 FUNCTIONALITY
Channel
Control
2
831749A1.CDR
2-17