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2.5 OTHER FUNCTIONS
2
Sampling Contol
2-12
Peer
Communication
Ping-pong
Time Stamp
Clock
Algorithm
Phase Deviation
Clock
Control
Phase Deviation
Frequency
Deviation
Compute
Frequency
Deviation
Sample Currents
and Voltages
Raw
Sample
Phaselets
Window
Compute Phasors and
Control
Window
Variance Parameters
Reset
Disturbance
Detector
Figure 2–4: MAIN SOFTWARE MODULES
L90 Line Differential Relay
Peer
Peer
Time
Stamps
Estimate
Phase Angle
Uncertainties
Estimate Phase Angle
Correction from Positive
Sequence Current Phasor
Phase Angle
Uncertainties
Compute
Positive
Sequence
Currents
Remove Decaying
Offset and Charge
Compensation
Compute
Phaselets
Phaselets
Phasors
Align Phaselets
Fault
Detector
2 PRODUCT DESCRIPTION
Channel
Control
Phaselets
swmoduls.cdr
Trip
Logic
GE Power Management
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