Eaton EDR-5000 Nstallation, Operation And Maintenance Manual page 724

"Reverse" current lags voltage
Quadrant2
-P (Watts)
-Q (Vars)
-PF
Active Power flows into the source
-P (Watts)
+Q (Vars)
-PF
Quadrant3
"Reverse" current leads voltage
EDR-5000
+P (Watts)
-Q (Vars)
+PF
Active Power flows into the load
+P (Watts)
+Q (Vars)
+PF
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current leads voltage
Quadrant1
Quadrant4
current lags voltage
IM02602007E
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