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138 HRB1684301-01
Chapter 16—Power, energy and power factor PowerLogic™ PM5500 series user manual
PF sign in IEEE mode
When the regional setting is set to IEEE mode, the meter correlates power factor sign
(PF sign) with the PF lead / lag convention (also load type).
• For PF lag (inductive), the PF sign is positive (+)
• For PF lead (capacitive), the PF sign is negative (-).
Power factor sign in IEC mode
Power factor sign in IEEE mode
+Q
(+kVAR)
-P
(-kW)
-Q
(-kVAR)
+P
(+kW)
P (+)
S
P (-)
S
P (+)
S
P (-)
S
Q (-)Q (-)
Q (+) Q (+)
Quadrant 3 Quadrant 4
PF sign +
Quadrant 1
Quadrant 2
PF sign +
PF sign -
PF sign -
+Q
(+kVAR)
-P
(-kW)
-Q
(-kVAR)
+P
(+kW)
P (+)
S
P (-)
S
P (+)
S
P (-)
S
Q (-)Q (-)
Q (+) Q (+)
Quadrant 3 Quadrant 4
PF sign -
Quadrant 1
Quadrant 2
PF sign +
PF sign +
PF sign -