GE L30 Instruction Manual page 46
Line current differential system, ur series
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Also See for L30:
- Instruction manual (702 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (630 pages)
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2.3 FUNCTIONALITY
d) FUNCTION DIAGRAMS
Sample Raw
Value
2
V
Sample Raw
Value
Sample
Remote Relay
2-16
Offset
Removal
Charging Current
Offset
Comp.
Removal
dV
dt
Filter
Hold
PFLL Status
Phase and Frequency
Master
Locked Loop (PFLL)
Clock
Communications
Interface
Figure 2–3: L30 BLOCK DIAGRAM
L30 Line Current Differential System
Compute
Phaselets
Compute
Phaselets
UR Platform
Phasors
Computations
Compute
Phaselets
Frequency
Deviation
Phase
Deviation
PHASELETS TO REMOTE
PHASELETS FROM REMOTE
Direct Transfer Trip
2 PRODUCT DESCRIPTION
Disturbance
Detector
67P&N
50P,N&G
51P,N&G
Trip Output
Configurable
Logic
27P
59P
21P&G
87L
Algorithm
831732A3.CDR
GE Multilin
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