6-10
F35 Multiple Feeder Protection System
GE Multilin
6.3 METERING
6 ACTUAL VALUES
6
6.3METERING
6.3.1 METERING CONVENTIONS
a) UR CONVENTION FOR MEASURING POWER AND ENERGY
The following figure illustrates the conventions established for use in UR-series relays.
Figure 6–1: FLOW DIRECTION OF SIGNED VALUES FOR WATTS AND VARS
827239AC.CDR
PER IEEE CONVENTIONS
PARAMETERS AS SEEN
BY THE UR RELAY
Voltage
WATTS = Positive
VARS = Positive
PF = Lag
Current
Voltage
WATTS = Positive
VARS = Negative
PF = Lead
Current
Voltage
WATTS = Negative
VARS = Negative
PF = Lag
Current
Voltage
WATTS = Negative
VARS = Positive
PF = Lead
Current
Generator
Generator
Inductive
Inductive
Resistive
Resistive
Generator
Generator
UR RELAY
UR RELAY
UR RELAY
UR RELAY
G
G
M
M
G
G
VCG
IC
VAG
IA
VBG
IB
1
-
VCG
IC
VAG
IA
VBG
IB
2
-
VCG
IC
VAG
IA
VBG
IB
3
-
VCG
IC
VAG
IA
VBG
IB
4
-
+Q
+Q
+Q
+Q
P
F =
Lead
P
F =
Lead
P
F =
Lead
P
F =
Lead
P
F =
Lag
P
F =
Lag
P
F =
Lag
P
F =
Lag
P
F =
Lag
P
F =
Lag
P
F =
Lag
P
F =
Lag
P
F =
Lead
P
F =
Lead
P
F =
Lead
P
F =
Lead
-Q
-Q
-Q
-Q
-P
-P
-P
-P
+P
+P
+P
+P
IA
IA
IA
IA
S=VI
S=VI
S=VI
S=VI
LOAD
LOAD
Resistive
Resistive
LOAD
LOAD
Summary of Contents for F35
Page 2: ......
Page 4: ......
Page 296: ...5 174 F35 Multiple Feeder Protection System GE Multilin 5 9 TESTING 5 SETTINGS 5 ...
Page 328: ...7 8 F35 Multiple Feeder Protection System GE Multilin 7 2 TARGETS 7 COMMANDS AND TARGETS 7 ...
Page 350: ...A 16 F35 Multiple Feeder Protection System GE Multilin A 1 PARAMETER LIST APPENDIXA A ...
Page 422: ...B 72 F35 Multiple Feeder Protection System GE Multilin B 4 MEMORY MAPPING APPENDIXB B ...
Page 472: ...E 12 F35 Multiple Feeder Protection System GE Multilin E 2 DNP POINT LISTS APPENDIXE E ...