GE 750 - Page 92

6-
12
750/760 Feeder Management Relay GE Power Management
6.3 A2 METERING 6 ACTUAL VALUES
6
Figure 6–3: POWER QUANTITY RELATIONSHIPS
I
2
I
2
I
1
I
1
I
4
I
4
I
3
I
3
+Watt
-Var
PF=Lead
+Q
+Q
+Q
+Q
-Q
-Q
-Q
-Q
Q1
Q2
Q3
Q4
P1
P2
P3
P4
S1=EI
1
S2=EI
2
S3=EI
3
S4=EI
4
-P
-P
-P
-P
+P
+P
+P
+P
818773AC.CDR
-Watt
-Var
PF=Lag
Bus Voltage E
S2
S1
S4
S3
4
4
POWER PLANE DIAGRAMS
(POSITIVE ROTATION)
PHASOR DIAGRAM
= Angle By Which Voltage Leads Current
4
^
^
^
^
-Watt
+Var
PF=Lead
ONE LINE DIAGRAM
POSITIVE
DIRECTION
SOURCE
LOAD
RELAY
PER IEEE DEFINITIONS
+Watt
+Var
PF=Lag